[Proto-Scripty] Prototype in Firefox 17
We're having issues with the newly released Firefox 17.0.1. Weird syntax error in places that don't make any sense (like line 642 of prototype.js): return this.stripTags().replace(/lt;/g,'').replace(/gt;/g,'').replace(/amp;/g,''); I read herehttps://forums.mozilla.org/addons/viewtopic.php?p=25091sid=3562c3c178aad8675ca759e238a478fathat Firefox 17 no longer supports the toString function as before: `toString` for function objects has changed. Error: The `toString` implementation for function objects have changed. If you are using `eval` or `Function` to change the behavior of 'native' functions, it is probably not working correctly in Firefox 17 and above. Anyone else having this issue? What's the fix? -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To view this discussion on the web visit https://groups.google.com/d/msg/prototype-scriptaculous/-/QxrMZzJmAiMJ. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Got CSRF issue when use Ajax.Updater in Django
Hi, I use Django framework to set up my webserver and try to use protype 1.7 . When I call Ajax.Updater function to asynchronous reflash my page , I got Forbidden 403 error: CSRF verification failed. Request aborted. Anyone can help me on this? Thanks -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To view this discussion on the web visit https://groups.google.com/d/msg/prototype-scriptaculous/-/_o6tk1UMucQJ. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] anyone experiencing issues in IE10
I have a site with a considerable amount of work done and in IE 10... the code is not working. Anyone experience issues with IE10? The site is www.toddscycle.com and the section is Motorcycles if anyone wants to see examples. Any help would be greatly appreciated. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To view this discussion on the web visit https://groups.google.com/d/msg/prototype-scriptaculous/-/iDL41RGMOTQJ. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: IE8 + Prototype AJAX = HTTP Status 12019
Hi, Is your application running on some kind of intranet network? This seems close to an issue we got with IE9 and I wouldn't be surprised if the issue was already present on IE8. Basically, (and for some reason only known from MS), when on a Trusted Site IE9 revert to compatibility mode, which from what we've seen is mostly IE6 mode. If your issue is an IE6 bug, that would explain why it is back on IE8. Sadly, there is no way to force IE9 to use its native (more) W3C compliant from the server (if somebody knows a way, please post it :o) ) but it is possible using menu options to change this. Have a look here: http://blogs.msdn.com/b/ie/archive/2009/06/17/compatibility-view-and-smart-defaults.aspx Eric On Dec 16, 11:47 am, Phil Petree phil.pet...@gmail.com wrote: Unless you're getting paid by the hour, you loose nothing by temporarily trying a later version of prototype. Try eliminating the easy stuff before working on the hard and you'll avoid that headslap moment that comes when you realize you wasted two weeks for nothing. On Dec 15, 2011 3:35 PM, web_dev_ajax lily.o...@gmail.com wrote: Thanks for the suggestion. That's an option that we plan to do with the next Production release. Unfortunately, we have release cycles that we have to adhere to and in the mean time, the client is unhappy with getting these 12XXX status code errors. I have also done a diff between version 1.4.0 and 1.7.0 and I don't see any differences that I believe may help with these 12XXX status errors, but we won't know until we do a release and see if the errors are still occurring. I do have an update - it seems that ALL the users at the client shop are now getting the 12XXX status code errors on IE8 (12019 and 12152 so far). The client shop claims that it's happening about once an hour. Thanks to some leads from Khan (http://groups.google.com/group/google- web-toolkit/browse_thread/thread/f8059139eab52ccf), I'm now trying to monitor the requests and responses to see if there's a pattern to these seemingly intermittent errors, specifically request header content-length that doesn't match the request body length. Still, if anyone has any ideas or suggestions, I'd appreciate hearing from you. Thanks. On Dec 15, 1:55 pm, Phil Petree phil.pet...@gmail.com wrote: I would try using a later version of proto on just that page. On Dec 15, 2011 1:43 PM, web_dev_ajax lily.o...@gmail.com wrote: I have a B2B web application that is developed on Struts JSP using Prototype JS library (version 1.4.0) for AJAX. I have a client running my application on IE8. She is intermittently getting the http status code of 12019 (this is an IE specific status code for ERROR_INTERNET_INCORRECT_HANDLE_STATE). She is the only person in the client shop that gets the error and she cannot consistently reproduce the error. However, after she gets the error, she can close her browser and logs in again to go to the same page as before and not get the error. Initially the client shop was on IE6 SP2 and all the users got the error 12019 intermittently also. After researching on the internet, we recommended that they upgrade to IE8 to see if the error is resolved because error 12019 is widely associated with IE6. Now that everyone in the client shop has upgraded to IE8, and after about 2 months after the upgrade, one user is beginning to get the error 12019 again. We have been unable to reproduce the error under various scenarios in Development. One more thing to add, in one instance, the user that was getting the 12019 error code also got an exception message coming back from the AJAX call. The exception message is: System error: -2146697208. Googling this exception message indicates that it is tied to the error The download of the specific resource has failed. The same message has been seen before by the same client when they were on IE6, but on IE6, they saw the explicit message rather than the exception code. Does anyone have this similar problem or know of a fix or know of a way for me to reproduce this in order to find a solution? Any help is appreciated. Thank you. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com
[Proto-Scripty] Re: Be sure to buy a book Protorype.js and Sript.aculo.us you fall off 90% of questions.
Marty, I think Buda is referring to Christophe Porteneuve's Prototype and script.aculo.us while the ISBN you gave is for Andrew Dupont's Practical Prototype and script.aculo.us. I read Christophe Porteneuve's one and it is a really good start for prototype. The only drawback for me is that server code for examples is in Ruby, but beside this little annoyance (only if you're not into Ruby) it was a great and helpful book. For Christophe's one: ISBN-10 1-934356-01-8 ISBN-13 978-1-934356-01-2 IIRC, both authors are or where part of prototype core team, so any of those books should do the thing. Eric On Oct 1, 7:10 pm, Marty Amberg mar...@edenstreet.com wrote: I agree, I own the book and it is helpful. My only complaint is that the examples are using ajax calling javascript but I suppose that is universal so good for everyone. A nice ebook to have as well as paper ISBN-13 (pbk): 978-1-59059-919-8 ISBN-10 (pbk): 1-59059-919-5 ISBN-13 (electronic): 978-1-4302-0502-9 apress has good stuff and their deals of the day can have some gems. On 10/1/2011 10:21 AM, buda wrote: Since I bought it - it became my reference book, not only on Prototype.js but on JavaScript. I periodically reread it each time discovering new nuances. The more I read it - the more I fall in love with Prototype.js. What an elegant architectural solutions! What is non-trivial syntax! JQuery, compared with Prototype.js - technical Library. Prototype.js is - the art of programming! Everyone must have this book. You will become better understood not only the work of the library, and JavaScript in general. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: can evalJSON handle currency symbols like €, £, $
Are you sure your returned json is encoded in UTF-8? By using something like FireBug, you can see what is actually returned from the server. This would be a priceless information to understand your issue. On Sep 2, 3:57 pm, nigeke...@googlemail.com nigeke...@googlemail.com wrote: When I download my json string, I run an alert(json) and can see the price e.g. €2.99. But when I use json.evalJSON(), the price string becomes undefined. Is this a known issue? IS there a workaround? Thanks Nigel -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Why Element.Storage?
Hello Victor, I already did. But I don't know the answer. Thanks, Eric J. On Aug 29, 8:09 am, Victor vkhomyac...@gmail.com wrote: Hi! If you like to browse source code, then you can answer by yourself. Just search for prototype_event_registry in sources. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Why Element.Storage?
Hello, The function Element.observe first lets _createResponder create a responder. Then it calls element.addEventListener(actualEventName,responder,false) This seems enough. Why stores _createResponder the responder in Element.Storage (behind a index connected with element)? -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Organizing my dom:loaded event
Hi,
It may be a little slower as says Victor.
However, you may try to use part of the class to identify a
pluginclass and the other part for identifying the JS class to use.
Something like that:
$$(*[class^='plugin']).each(function(e) {
var jsClass = e.className.substr(6);
if(typeof(window[jsClass])=='function') new (window[jsClass])(e);
});
if you have an UL with class pluginTabs, it will make a new Tabs(e)
on it.
Note that the above code is not tested at all. You may need to found a
proper way to check if the class actually exists and you may need to
use another selector operator than ^= since classes are space
separated sets (sorry, I don't have time to check the documentation).
On a ground to earth approach, I'd continue doing what you're doing
right now.
Only difference perhaps is that I'd add to my plugin classes a static
method which do the selection and DOM update, so you can give an array
of class objects to your DOM init and invoke it.
Eric
On Aug 23, 10:04 am, Johan Arensman johanm...@gmail.com wrote:
Hey guys,
I'm redesigning a template set for different kind of websites. In the past
quite a lot of 'widgets' have been created in the form of prototype Classes
and almost every widget works the same way:
1. get all elements with className 'x'
2. for each element: create a new ClassX
3. ClassX modifies the element or does something else with it
for example for a 'Tabs' class this piece of code is in the dom:loaded
event:
$$('ul.tabs').each(function(list) { new Tabs(list); });
Now i'm fine with that for now but imagine to duplicate the same behavior
for 8 other usages, so 8 other selections are made and JS code is executed
for them.
I would like to know if there's any way to optimize the dom:loaded event.
I'm not having any problems right now, it works just fine but I'm afraid
that if more functionality is added that performance will become a problem.
One of my ideas was to combine the global element selectors into 1 selector
and then apply the correct piece of code by checking if a certain class or
attribute is present on the element like this:
$$('ul.tabs, div.map, input.placeholder, a[rel=external]').each(function
applySomething(e) {
// if element hasClassName('tabs') then apply tabs functionality etc..
// more checking for classnames and attributes
});
Is this a good idea? Do I gain performance when doing this? Are there other
ways to organize this?
All input welcome!
Greetings,
Johan
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[Proto-Scripty] Re: CSV to Json
Jason,
Why do you copy the return array into an other one before using it?
(and why rewriting code already available as native PHP functions?)
This should do the same than your code:
$fh = fopen($filename);
$fields = fgetcsv($fh);
while($line = fgetcsv($fh) !== false)
{
print json_encode(array_combine($fields,$line));
}
fclose($fh);
Eric
PS: You may want to add some error handling :o)
On Aug 20, 6:03 pm, Jason jwestbr...@gmail.com wrote:
I would use a small PHP script (assuming the first line is the field
names)
$fields = array();
$data = array();
$fh = fopen($filename);
$line = fgetcsv($fh);
foreach($line as $n)
{
$fields[] = $n;
}
while($line = fgetcsv($fh) !== false)
{
foreach($line as $key = $n)
{
$data[$fields[$key]][] = $n;
}
}
print json_encode($data);
seehttp://us.php.net/fgetcsvfor more examples
On Aug 18, 11:24 pm, kstubs kst...@gmail.com wrote:
Any tips for converting CSV to Json? I have CSV, row deliminted \n, and
fields delimited with typical comma. There is a known/exisiting object type
for each field. Something like:
{'fields': [{'field':'fname', 'col':2}, {'field':'ssn', 'col':5}]}
So I have that to work from, and will populate a Json result like this:
[{'data':{'fname':value}, {'ssn':value}},{'data':{'fname':value},
{'ssn':value}}]
I feel like I am doing it the long way when I:
// split csv string by \n to new line array
// for every item in new line split string
// split item by , to field array
// for every item in field array
// create object to add to new data array
Any ideas would help.
Thanks,
Karl..
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[Proto-Scripty] Re: Best way to show / hide a menu
On Jul 19, 5:12 am, pedz pedz...@gmail.com wrote: That helped me! One question: Would this apply to hover as well? (i've let to own a smart phone.) i.e. stay away from hover? You can see what events are managed by mobile browsers on this page: http://www.quirksmode.org/m/table.html Also note that mobile browsers have special events like the ones on http://www.quirksmode.org/mobile/tableTouch.html Kangax had a very nice events testing page which seems to be offline (http://yura.thinkweb2.com/isEventSupported/) Eric -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: What's your favorite error status code?
Walter,
What I do in those case is:
- Returning my own error code in a JSON's attribute (lets use
myJsonStatus for the example)
- Use AJAX.Responders to override onCreate to wrap the provided
onSuccess into a custom function which checks
responseJSON.myJSONStatus and do appropriate processing if present or
call provided onSuccess handler if it is not.
I only use this for unrecoverable errors but I guess you may provide
to your Ajax.Request custom handlers like
onMyPrivateAppStatusUserDidSomethingWrong and call it if your
myJsonStatus is 'UserDidSomethingWrong' (you may of course use
numerical codes, but example is then less funny :o) )
(untested) implementation:
Ajax.Responders.register(
onCreate: function(r) {
r.options.onSuccess = (r.options.onSuccess||
Prototype.emptyFunction).wrap(function(localCB,xhr,xjs){
var js = xhr.responseJSON || {myJsonStatus:'MalformedJSON'};
if(js.myJsonStatus){
(r.options['onMyPrivateAppStatus'+js.myJsonStatus]||
Prototype.emptyFunction)(xhr,xjs);
}
else {
localCB(xhr,xjs);
}
});
});
usage:
new Ajax.Request('myAjaxScript.php',{
parameters: {'whatever':'is needed here'},
onSuccess: function () {...},
onMyPrivateAppStatusUserDidSomethingWrong: function() {...},
onMyPrivateAppStatusMalformedJSON: function() {...}
});
Eric
On Jul 7, 2:27 pm, Walter Lee Davis wa...@wdstudio.com wrote:
On Jul 7, 2011, at 8:21 AM, T.J. Crowder wrote:
To my mind, HTTP response codes aren't for application logic
signalling. They're for signalling between the browser and server. The
correct response to bum data from the user is a 200 with an
application-logic-level success/error flag.
Fair enough, but since the onFailure callback only runs if the
response code sent back is something other than the 200 range, how
would you recommend I send back that failure other than with the
status code?
Walter
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[Proto-Scripty] Re: Registered events and removed DOM objects
Element.purge() Yet another prototype 1.7 feature I was not aware of :o) Is there any way to export this online documentation into a convenient PDF or anything I can print and turn into a book like the one for prototype 1.6? Eric On Jun 16, 10:44 am, T.J. Crowder t...@crowdersoftware.com wrote: Hi, On Jun 16, 9:11 am, Acu woj...@studioatrium.pl wrote: I am curious what happens with references to Events registered through Event.Observe when object bound with those evenst is removed with Element.remove function. Are they automatically freed (like with Event.unloadCache)? Or maybe one should unregister those events with Event.stopObserving before removing object? Prototype doesn't do anything to remove the handlers on `remove`, they'll stay in memory. If you know you've only set handlers on that element and none of its children, yes, use `stopObserving`: $(theElement).stopObserving().remove(); If there may be handlers on the element's children as well, use `purge`[1]: $(theElement).purge().remove(); It's not clear from the documentation, but `purge` does remove handlers from the element's descendants. [1]http://api.prototypejs.org/dom/Element/purge/ HTH, -- T.J. Crowder Independent Software Engineer tj / crowder software / com www / crowder software / com -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: A bit of assistance please
Yes I mean that. After googling, it seems that it is a know issue with chrome for mobile to not show scrollbars when using overflow:auto... On Jun 6, 4:09 pm, Walter Davis wa...@wdstudio.com wrote: On Jun 6, 2011, at 9:26 AM, Eric wrote: I did try it on Chrome on Windows with success: Google Chrome 11.0.696.77 (Build officiel 87952) WebKit 534.24 (branches/chromium/696@86868) V8 3.1.8.16 Agent utilisateur Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/ 534.24 (KHTML, like Gecko) Chrome/11.0.696.77 Safari/534.24 I tried on Android 2.3.4's native browser (Chrome Mobile, no idea of the version number) but the scrollbar is missing, so no way to know if the property is supported. Try two-finger dragging within the scrolled text box, that works on MobileSafari, but no idea if it also works in Android. (Hey, they've stolen every other idea, why not that...) It also works on Linux/Firefox3.5.7 So by works, you mean both the Prototype version and the native version of the offset calculation reported the same offset number while you scrolled? Walter Eric On Jun 3, 5:55 pm, Walter Davis wa...@wdstudio.com wrote: On Jun 3, 2011, at 11:21 AM, Eric wrote: On Jun 1, 4:33 pm, Walter Davis wa...@wdstudio.com wrote: On Jun 1, 2011, at 10:19 AM, Eric wrote: On May 31, 5:51 pm, Walter Davis wa...@wdstudio.com wrote: On May 31, 2011, at 11:12 AM, bill wrote: I need the scroll of the div contents only. You can back into that by using the cumulative offset, and subtracting the document.viewport.getScrollOffsets() from that. Or you may use yourdiv.scrollTop and yourdiv.scrollLeft Eric I knew there was something simpler! Is that completely cross- platform? I ask because I suspect it's native, and therefore not in the Prototype Element namespace. Does that mean that it's safe to use in all browser/OS combos? Not sure about the all browser/OS combo, but it works on Windows on IE6+ and FF2+ (and possibly on older versions). I would be interested to know if it works on Safari/Chrome and on OSX/ Linux. Anyone who has a moment, please test this out here: http://scripty.walterdavisstudio.com/scroll-offsets.html All the script is inline for ease of criticism! Walter Eric Walter -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com . To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/prototype-scriptaculous?hl=en . -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com . To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/prototype-scriptaculous?hl=en . -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: ajax.updater - json to fill select
Hello,
This is a little out of topic, but here are few hints:
The easiest way to do that is to build a PHP array, and to use
JSON_Encode to convert it into a JSON encoded string;
You also need to change the content-type of your response to let
prototype know it is actually JSON.
Simple example:
?php
$myCities = Array(Paris,Madrid,New-York,London);
header('Content-Type: application/json');
print json_encode($myCities);
?
Eric
On Jun 4, 11:15 am, Johan Arensman johanm...@gmail.com wrote:
You can use basic Json, but this is basic javascript, not specific for
prototype
{
cars: [
{
make: 'some make name',
models: [
{ name: 'model 1' },
{ name: 'model 2' }
]
},
{
make: 'some other make name',
models: [
{ name: 'model 3' },
{ name: 'model 4' }
]
},
]
}
Something like this?
Greets,
Johan
On Fri, Jun 3, 2011 at 9:31 PM, Phil Petree phil.pet...@gmail.com wrote:
Hey All!
I'm biting the bullet and trying to break away from XML and go to json.
I using Ajax.Updater to call cities.php which looks up the available cities
for a given zip code (yes there can be more than one city - my zip has 4
possibilities!) and return those in a select
How do these need to be returned/formatted in php?
Can anyone point me to one of the car/make/model examples? I can't find
one for prototype...
Thanks,
Pete
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[Proto-Scripty] Re: A bit of assistance please
On Jun 1, 4:33 pm, Walter Davis wa...@wdstudio.com wrote: On Jun 1, 2011, at 10:19 AM, Eric wrote: On May 31, 5:51 pm, Walter Davis wa...@wdstudio.com wrote: On May 31, 2011, at 11:12 AM, bill wrote: I need the scroll of the div contents only. You can back into that by using the cumulative offset, and subtracting the document.viewport.getScrollOffsets() from that. Or you may use yourdiv.scrollTop and yourdiv.scrollLeft Eric I knew there was something simpler! Is that completely cross-platform? I ask because I suspect it's native, and therefore not in the Prototype Element namespace. Does that mean that it's safe to use in all browser/OS combos? Not sure about the all browser/OS combo, but it works on Windows on IE6+ and FF2+ (and possibly on older versions). I would be interested to know if it works on Safari/Chrome and on OSX/ Linux. Eric Walter -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: what is the advantage to use Class.create to create new class
On May 31, 4:35 pm, maven apache apachemav...@gmail.com wrote:
2011/5/31 Johan Arensman johanm...@gmail.com
Hi,
Mostly because with Class.create() you can make use of the various
inheritance functionality in the Prototype framework.
But I see the prototype source code,the Class.create() just return a
function,can not find any inheritance functionality
That may be because you're using prototype 1.4.
You may consider upgrading to 1.7.
Eric
Seehttp://api.prototypejs.org/language/Class/create/for more
information.
Greetings,
Johan
On Tue, May 31, 2011 at 3:26 PM, maven apache apachemav...@gmail.comwrote:
Hi:
I am using prototype1.4 now.
When create new class using prototype ,people used to use this manner:
var Person = Class.create();
Person.prototype = {
initialize: function(name) {
this.name = name;
}
printName: function() {
alert(this.name);
}
}
However I can not see the advantage of this manner,since it is very
readable when use the native javascript:
function Person(name) {
this.name = name;
}
Person.prototype = {
printName: function() {
alert(this.name);
}
}
Anyone can tell me why?
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[Proto-Scripty] Re: Updating Observer through AJAX call
By Ajax call, do you mean an Ajax.Request or an Ajax.Updater ?
If you use an Ajax.Request, I am kind of sure you can do anything in
your onSuccess, including observing new events.
If you use Ajax.Updater which return some embedded script tag, it
should work if you ensure option evalScripts is true (but it should be
ok since it works in other browsers).
I recommend you use debug tools recommended by Miguel to have a close
look at the AJAX calls (check headers and content of both request and
response) and figure out what is different between working browser and
chrome.
Wild guess : chrome may send different headers to your server, causing
the server to reply with different headers, which do not allow
javascript to be executed for some reason.
There is also some limitation for functions created in script tags
embedded in an Ajax.Updater:
function f() {...}
will not work, but something like this will:
f = function() {...}
Please let us know when you found what was wrong.
Eric
On May 31, 6:14 pm, Kristofer krishop...@gmail.com wrote:
On Tue, May 31, 2011 at 10:57:36AM -0500, Miguel Beltran R. wrote:
2011/5/29 Kristofer krishop...@gmail.com
Hello,
I am trying to figure out how to do this properly.
I have a site with two dropdown boxes, one for a Color and one for a
Size. Using Event.Observe() I attach a listener to both. When one is
selected, it performs an AJAX call to update the contents of the other
to show sizes or colors available, and there is also another
Event.Observe() in the AJAX call so that when the updated field is
changed, it updates another element with an Add to Cart link and a
price.
This works in both IE and Firefox, but Chrome doesn't seem to be
listening to the new click event that is attached through the AJAX
call.
Does anyone have any suggestions as to what I may be missing?
are you tried Chrome Developer Tools or Firebug lite?
http://getfirebug.com/releases/lite/chrome/
I don't use Chrome, do have something like console errors?
There aren't any errors.
I guess what my question is more pointed at is: is it proper to add a
new listener through javascript code which is passed back through an
AJAX response?
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[Proto-Scripty] Re: A bit of assistance please
Hi Bill,
Using Event.PointerX() and Event.PointerY() you can get the absolute
position of the mouse on the page.
Using Element.Layout you can get the exact position of your image.
If you substract the layout's left value to PointerX and the layout's
top value to PointerY, you should have the X/Y position relative to
top/left corner of your image.
More simple but I am not sure it is crossbrowser supported, events
*may* have clientX and clientY attributes which *may* contain what
you're looking at (if your event is attached to the img DOM object).
Eric
On May 29, 12:29 pm, bill will...@techservsys.com wrote:
On 5/29/2011 12:56 AM, venu gupta wrote: Hi Bill,
You can do both the ways . But I personally prefer to
have it in the main page which is always loaded.
I obviously sounded as if I know more than I do.
I need some help in the form of the observer and with determining
the x/y location of the click and/or determining the id of the
div clicked upon.
On Sun, May 29, 2011 at 12:58 AM, bill will...@techservsys.com
mailto:will...@techservsys.com wrote:
I am dynamically generating a div which is loaded via AJAX.
It is a schedule, with a background image (loaded with
img..., not css - so it scrolls) and the appointments as
superimposed divs.
If the user clicks on the background image (not on a div) I
need to determine the x and y coordinates of the click on
the image, not in the viewport. (ie: the same coordinates
regardless of how the image has scrolled)
If the user clicks on a div (superimposed on the image) I
need to return the id of the div.
It seems that I could just have one observer watching the
outer div and bubble up the information, but I just can't
seem to get started.
I can load the js with the page or I can have it in the
main page that is always loaded.
--
Bill Drescher
william {at} TechServSys {dot} com
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Re: [Proto-Scripty] problem with prototype.js and dashcode
On 3/25/11 7:24 AM, Walter Lee Davis wrote: Try loading prototype before main.js and see if the problem goes away. Or try wrapping self.animations with $A(), which will return an extended array. Walter Thanks for the suggestions; loading prototype.js just before main.js doesn't help, but loading it before AppleAnimator.js in main.html does. Hopefully that won't break much. ;) Thanks, -Eric On Mar 25, 2011, at 1:21 AM, Eric wrote: I'm using Dashcode 3.0.2 on OSX 10.6.6, and trying to write my first dashboard widget using prototype.js 1.7. I've got some things working, but as soon as I mouse over the running widget, I get a: Result of expression 'array' [undefined] is not an object I'm not sure how I got to it, but it's in AppleAnimator.js, and 'array' came from array = self.animations; A simple reproducer is: Create a new custom project. Add prototype.js to the file list. Add prototype.js to main.html right after main.js Run the project, mouse over boom. I'll admit to being a total noob at this, but I can't tell what's gone wrong here. Thanks, -Eric -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: jqTouch-counterpart for Prototype?
Hi, I don't want to launch a troll here but it seems that scripty2 doesn't support Android phones' browser very well... (no scale and no rotation supported) jqtouch kind of works but most animations are disabled (the last frame of animation is displayed right away). Ways to go before we get something as universal on mobile internet than prototype.js on immobile internet :o) Eric On Feb 28, 9:26 am, Benedikt.Rothe benedikt.ro...@googlemail.com wrote: It has support for touch events -http://scripty2.com/demos/touch/ This is very interesting. I didn't know. Thank you. But jqTouch is still different: It provides JavaScript+CSS to give your WebApp a typical IPhone Look-and-feel: Sliding Menues, Full- Screen-Support, Without any doubt Scriptaculous/Scripty animations will be extremly usefull, to produce these effects. But I think this is just the basis and it would be nice, if there would be more. http://jqtouch.comhas a Flash animation. Benedikt On 26 Feb., 23:53, Gappa pavel.linh...@gmail.com wrote: Hi, you could try the new beta version of Scriptaculous -http://scripty2.com It has support for touch events -http://scripty2.com/demos/touch/ On Feb 26, 10:52 pm, Benedikt.Rothe benedikt.ro...@googlemail.com wrote: Hi On top of jQuery exists a lib called jqTouch:http://www.jqtouch.com It provides Javascript and CSS to create Apps for iPhone in the typical- iPhone look and feel. Since I'd prefer to use Prototype instead of jQuery I want to know whether there is a jqTouch-counterpart in the Prototype-Universe Thank's Benedikt -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: prototype 1.7, scriptalulous 1.9.0, FF 4.0 beta 9
Hi, I did have the second issue you have (regarding dragging from divs with scrollbars) a couple of months ago, but didn't get any helpful reply from the list (too specific issue perhaps). I am sorry but the only way I could fix it was to undust my pre- prototype drag'n drop code. However, the big part of the trick is to have a hidden div in the root of the dom (not into your scrollable div) (let's call it the X div) and upon mouse down on the draggable item do the following: - copy innerHTML from the draggable item into the X div - move X div exactly on top of draggable item - show X div (and hide draggable item) - drag X div I did that using proprietary code, but it should be possible to do that with scripty's draggables (and then to be able to use all nice features like ghost). If you successfully implement this, don't hesitate to share it ;o) Eric On Jan 16, 6:24 pm, Ben Perry b3npe...@gmail.com wrote: ...After some investigation, if I put ghosting: true on each draggable, then they don't drag at all. Whoops, this isn't the case, must have got mixed up whilst testing. The second page with just spans or the table (provided they both have ghosting:true set) exhibit the same behavious. The dragged item doesn't return to its position. This can be replicated in FF 3.6.13 too. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Dragging from an overflow: auto container
Hi,
I have a fairly big amount of draggable items that I've placed into a
fixe sized div with overflow: auto style.
I was hoping being able to scroll in that div until I found the item I
want to drag and then drag it outside of the div.
Of course, when I try to drag the object out of the div, it disapears
and the div's scrollbars shows that it is still in the div.
Here is what I tried first :
http://jsbin.com/ubodi4
I thought that using ghosting would help, but if I can now drag the
items out of the div, they disappear from it (according to the doc, it
should create a copy of the item and drag the copy, not removing the
item...):
To be accurate, the item disappears on chromium 6, but is moved on
window pos 0,0 (top left) on Firefox 3.5.5
http://jsbin.com/ubodi4/2
Using both ghosting and revert didn't help (only difference is that
now chromium act like FF):
http://jsbin.com/ubodi4/3
Worst: If the div has style position: absolute, it is again not
possible to drag items out of the div :o(
http://jsbin.com/ubodi4/4
Until now, I was using my own drag'n drop lib that handled this
correctly, but I am trying to migrate toward prototype/scripty and I
would really would like to achieve the same result with scripty's
drag'n drop.
Not sure it would help, but what my lib was doing is creating a
ghost from the dragged object which was a direct child of the body.
Is it possible to override the ghosting step in scriptaculous's
drag'n drop?
I've spend more than 3 hours trying exotic ways of fixing it, and
there isn't much I can think of.
Any hint/idea is welcome :o)
Eric
PS: Here is the code I use in case you don't want to go on jsbin:
var list = $('list');
var i;
for(i=1;i20;++i)
{
var elt = new Element('span').update('item '+i);
new Draggable(elt,{ghosting:true});
list.insert(elt);
}
PS2: sadly, jsbin's edit preview still doesn't work on Firefox, so
you'll need another browser if you want to interactively edit/test the
code...
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[Proto-Scripty] Re: ajax request no works on Chrome - decoding fails
It may be helping if you could trace and post here the following
things :
From Javascript:
- requestObject
- JSON.stringify(requestObject)
From PHP:
- $this-getRequest()-getRawBody();
- rawurldecode($this-getRequest()-getRawBody());
Also, why do you need to use JSON.stringify thing when, as T.J. told
you (twice) prototype is designed to take care of it for you.
Eric
On 10 nov, 00:37, fashionpeople fashionpeople.busin...@gmail.com
wrote:
I tried use fixedEncodeURI like suggest in your links.
But doesn't work.
I didn't understand the problem.
On 9 Nov, 17:25, T.J. Crowder t...@crowdersoftware.com wrote:
Hi,
I replaced escape with encodeURI. But decoding fails again.
Well, did you try actually doing what I suggested?
-- T.J.
On Nov 9, 4:07 pm, fashionpeople fashionpeople.busin...@gmail.com
wrote:
Hi,
I replaced escape with encodeURI. But decoding fails again.
function sendMessage(baseUrl, idNickRcv, msg) {
var requestObject = new Object();
requestObject.idNickRcv = idNickRcv;
requestObject.msg = msg;
var jsonRequest = JSON.stringify(requestObject);
if ((idNickRcv) (msg)) {
new Ajax.Request(baseUrl + '/usermsg/index/sendmessage', {
method: 'POST',
requestHeaders:{ Accept:'application/json' },
parameters: encodeURI(jsonRequest),
onSuccess:
function(transport, json) {
//use and handle foo response data
}
,
on500:
function(transport) {
//handle error, inform user
},
onComplete: parseSendMessage
});
}
php:
$request = rawurldecode($this-getRequest()-
getRawBody());
// HERE DECODING FAILS AND EXECUTION IS INTERRUPTED.
$requestObject = $zendJson-decode($request,
Zend_Json::TYPE_OBJECT);
$msg = $requestObject-msg;
$idNickRcv = $requestObject-idNickRcv;
On 8 Nov, 23:11, Walter Lee Davis wa...@wdstudio.com wrote:
Right. The best low-level way to translate JS to PHP and back again is
using encodeURI or uncodeURIComponent on your JS side, and
rawurldecode() or rawurlencode() on the PHP side. They are
functionally identical, as long as you have set your PHP side to use
UTF-8 as its default charset.
Walter
On Nov 8, 2010, at 4:42 PM, T.J. Crowder wrote:
Hi,
I don't know that it's the problem because I'm not a PHP person, but
you're using the `escape` function to encode your parameters, and then
decoding them with a PHP function called `urldecode`. JavaScript's
`escape` function does _not_ URL-encode things, it does something
similar but different and is almost certainly not what you want. I'm
surprised it's working with other browsers, frankly, but perhaps
that's my lack of PHP knowledge.
The most reliable way to send parameters that I know is to send them
URL-encoded, and to decode them as URL-encoded data. In Prototype, the
easiest way to do that is to supply a plain object to the Ajax.Request
method (which Prototype will correctly encode for you):
var jsonRequest = ...;
new Ajax.Request( // ...
parameters: {json: jsonRequest}
// ...
});
...and then retrieve the value just as you would any other value:
$request = $_POST[json];
$requestObject = Zend_Json::decode($request); // Or your
$zendJson, whatever that is
But again, I'm not a PHP guy and could easily be missing something
important here.
FWIW,
--
T.J. Crowder
Independent Software Engineer
tj / crowder software / com
www / crowder software / com
On Nov 8, 5:47 pm, fashionpeople fashionpeople.busin...@gmail.com
wrote:
Hi,
this is my ajax request that works perfectly on IE and FIREFOX, but
not in CHROME!
function sendMessage(baseUrl, idNickRcv, msg) {
var requestObject = new Object();
requestObject.idNickRcv = idNickRcv;
requestObject.msg = msg;
var jsonRequest = JSON.stringify(requestObject);
if ((idNickRcv) (msg)) {
new Ajax.Request(baseUrl + '/usermsg/index/sendmessage', {
method: 'POST',
requestHeaders:{ Accept:'application/json' },
parameters: escape(jsonRequest),
onSuccess:
function(transport, json) {
//use and handle foo response data
[Proto-Scripty] Re: ajax.updater and onLoad
On Nov 3, 2:44 am, Walter Lee Davis wa...@wdstudio.com wrote:
If you just want it for one updater, then do this:
new Ajax.Updater('foo','bar.php', {
onCreate: function(){
$('indicator').show();
},
Is this actually working?
The Prototype 1.6 Complete API Reference explicitly says that
onCreate is only available to responders, as it wouldn't make a lot
of sense to individual requests .
Eric
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[Proto-Scripty] Re: adding InPlaceEditor to each table cell
I've done that before.
I cannot post the code here because it is in a complex application/
framework but here are the few points you need to make it work:
- Add a classname like 'NeedIPE' to your TD's, and observe the click
on the table or anything on top of it.
- In you event handler, get the clicked TD with something like
e.findElement('td.NeedIPE');
- if there is a TD found, create the InPlaceEditor, and remove the
NeedIPE class, so next time you click on it, a new IPE won't be
created
- Call enterEditMode() 's method of your InPlaceEditor() so you won't
need to click a second time.
Also you may disable the highlight effect of the InPlaceEditor, so the
cells you already clicked wont have different behavior than the ones
you haven't.
(I did at first try to implement the highlight effect on other td's
but with a big table, it is just very bad looking).
Eric
On Oct 28, 12:34 am, BrentNicholas brentnicho...@gmail.com wrote:
Hi all,
I've been wrestling with this for a little bit now and figure it's
time to ask for help. I can't seem to find anything on the web.
I have a dynamicly generated table, I want to have an InPlaceEditor
instance on each table cell. From what I can tell you need to do a
'new' object on it for every cell so that the hover over highlight
shows, letting you know that the InPlaceEditor is connected to the
table cell.
Table Struct:
(The p tag was what I saw in examples and am using it since that's
what works now)
table id=idProgramsTBL
tr class=mainRow
td id=tdPrgCdp id=idPrgCdP#ProgramUID#
class=clsPrgCdP#ProgramCode#/p/td
I've tried the following, to no avail:
// this works but has the problem described below
$('idProgramsTBL').select('[class=clsPrgCdP]').invoke(observe,
click, function(event){ codeEditInPlace(this.id); });
// this works but is incorrect as it will create a new instance of the
InPlaceEditor on each 'click'
// thus you can get 1 to n editors in the cell for every click
// Also, this connects the editor after the click, so you end up
clicking twice
function codeEditInPlace(id)
{
new Ajax.InPlaceEditor(id ,'act_setProgramCode.cfm?ProgramUID='+id,
{
onFailure: placeError,
onComplete: refreshProgramCode,
rows: 2,
cols: 20
}
);
}
The problem is that the above is based on creating and attaching the
InPlaceEditor when the user clicks, vs after the Ajax.Request
completes. I am calling the .invoke.observe statement above in a
function fired by the onComplete call back of Ajax.Request
So how do I find all the items of this class (class name of table cell
or P tag) and create a new InPlaceEditor on it.
I've got the following to get the classes of the P tags in the table
cells:
$('idResultsTableTBL').select('[class=clsPrgCdP]')
I found this but I don't think it's of help:
var codeCellArray = $A(['clsPrgCd']);
codeCellArray.each(function(aCell) {
alert(aCell);
});
Thoughts?
Thanks for your time,
Brent
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[Proto-Scripty] Re: Anchor button triggers window.onbeforeunload in IE
Hi JoJo,
It seems you're doing a closure by hand. You may want to look at
Function.bind() or Function.curry() in prototype documentation, since
they do it for you.
Your solution may become :
dynamicAnchor = new Element(
'a', {
href: 'javascript:void(0)'
}
).observe(
'click',
(function(parameter,event) {
window.status = parameter;
event.stop();
}).curry(localVariable)
);
Also note that I am 80% sure (please somebody confirm) that since your
parameter is a local variable, javascript will implicitly create a
closure for you.
In other words, this should work:
var localVariable= 'Hi!';
dynamicAnchor = new Element(
'a', {
href: 'javascript:void(0)'
}
).observe(
'click',
function(event) {
window.status = localVariable;
event.stop();
}
);
T.J.'s blog has many very well written articles that will explain you
why (http://blog.niftysnippets.org/search/label/closures).
Eric
On Oct 22, 8:47 pm, JoJo tokyot...@gmail.com wrote:
Thanks T.J.
The solution is:
dynamicAnchor = new Element(
'a', {
href: 'javascript:void(0)'
}
).observe(
'click',
function(parameter) {
return function(event) {
window.status = parameter;
Event.stop(event);
}
}(localVariable)
);
On Oct 22, 4:39 am, T.J. Crowder t...@crowdersoftware.com wrote:
Hi,
See the documentation for `Event.observe`[1] (which is what you're
calling indirectly from the `Element#observe` function), specifically
the Preventing the Default Event Action and Bubbling part, and the
`Event` object[2]: You don't return false to cancel the `click` event,
you use the `Event#preventDefault` function (which is a standard DOM
function[3] that Prototype ensures is present even on implementations
that lack it) or, more likely, `Event#stop`[4] which both prevents the
default action and stops the event bubbling.
[1]http://api.prototypejs.org/dom/event/observe/
[2]http://api.prototypejs.org/dom/event/
[3]http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-Event-prev...
[4]http://api.prototypejs.org/dom/event/stop/
HTH,
--
T.J. Crowder
Independent Software Engineer
tj / crowder software / com
www / crowder software / com
On Oct 22, 2:41 am, JoJo tokyot...@gmail.com wrote:
I use anchors to call javascript functions. Usually, I do this:
a href=javascript:void(0) onclick=someFunc(); return false;
call the function
/a
This works fine in all browsers. Window.onbeforeunload is never
triggered because the ONCLICK returns false, and thus the HREF if not
executed. When HREF is not executed, the browser does not believe that
the window in unloading. Now, I'm trying to create a dynamic anchor to
accomplish the same thing. It looks nearly identical to the HTML
anchor, but now it's triggering window.onbeforeunload in IE8. How do I
not trigger it?
dynamicAnchor = new Element(
'a', {
href: 'javascript:void(0)',
}
).observe(
'click',
function(parameter) {
return function() {
window.status = parameter;
return false;
}
}(localVariable)
);
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[Proto-Scripty] Re: Cursor blinker disappears from textarea after a clear()
Hi JoJo,
This is more a work around than a fix, but you may try to:
- set the textarea's readonly attribute to true instead of disable it
(that would prevent the user to type anything while letting the cursor
in place)
- add a custom class name to the textarea that make it look disabled
(setting a gray background and dark gray text should do it)
Instead of enabling it again, you just set readOnly to false and
remove the custom class name.
HTH.
Eric
On Oct 20, 11:28 pm, JoJo tokyot...@gmail.com wrote:
I found out what was causing the issue. In my AJAX to add the comment
I had:
onCreate: function() {
$(foo').disable();}
onComplete: function() {
$('foo').enable();
}
I commented out these two and the blinking cursor came back. Ideally,
the textarea should be disabled when the AJAX is processing...
On Oct 20, 1:36 pm, JoJo tokyot...@gmail.com wrote:
activate() did not fix it.
On Oct 19, 11:08 pm, Walter Lee Davis wa...@wdstudio.com wrote:
Try activate in place of focus, and see if that works for you. Just
checking -- you do have Prototype in your page, right?
Walter
On Oct 19, 2010, at 9:59 PM, JoJo wrote:
I'm creating a standard chat system. When the user hits the Enter key
in the textarea, I send her comment to the server. Then I clear her
message so she can begin typing a new one. The cursor blinker
disappears when I do this clear. It's better for usability if the
blinking remains. How do I put it back?
textarea id=foo/textarea
$('foo').clear();
// at this point the blinking cursor is gone
$('foo').focus();
// focusing does not put the blinker back
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[Proto-Scripty] Re: Cursor blinker disappears from textarea after a clear()
Oooops,
After reading T.J's message (http://groups.google.com/group/prototype-
scriptaculous/t/38c587197bfb14e7), I noticed that what I called
readOnly attribute was in fact readOnly property.
Sorry for that, and thanks T.J. for teaching me this concept :o)
Eric
On Oct 21, 2:01 pm, Eric lefauv...@gmail.com wrote:
Hi JoJo,
This is more a work around than a fix, but you may try to:
- set the textarea's readonly attribute to true instead of disable it
(that would prevent the user to type anything while letting the cursor
in place)
- add a custom class name to the textarea that make it look disabled
(setting a gray background and dark gray text should do it)
Instead of enabling it again, you just set readOnly to false and
remove the custom class name.
HTH.
Eric
On Oct 20, 11:28 pm, JoJo tokyot...@gmail.com wrote:
I found out what was causing the issue. In my AJAX to add the comment
I had:
onCreate: function() {
$(foo').disable();}
onComplete: function() {
$('foo').enable();
}
I commented out these two and the blinking cursor came back. Ideally,
the textarea should be disabled when the AJAX is processing...
On Oct 20, 1:36 pm, JoJo tokyot...@gmail.com wrote:
activate() did not fix it.
On Oct 19, 11:08 pm, Walter Lee Davis wa...@wdstudio.com wrote:
Try activate in place of focus, and see if that works for you. Just
checking -- you do have Prototype in your page, right?
Walter
On Oct 19, 2010, at 9:59 PM, JoJo wrote:
I'm creating a standard chat system. When the user hits the Enter key
in the textarea, I send her comment to the server. Then I clear her
message so she can begin typing a new one. The cursor blinker
disappears when I do this clear. It's better for usability if the
blinking remains. How do I put it back?
textarea id=foo/textarea
$('foo').clear();
// at this point the blinking cursor is gone
$('foo').focus();
// focusing does not put the blinker back
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[Proto-Scripty] Re: Scalable Drag Drop (without noticeable lag)
Hi Scott,
I didn't do much with drag/drop using scripty, but can't you just have
one droppable (in your case it would be $('cats')) and find out which
span was under the mouse when a drop occurs?
In the same spirit, instead of adding a onmouseover event on
each .drag item, you may add one on your body (or on your two ULs if
you prefer), and test if the event happened on one .drag element
(something like if(elt=event.findElement('.drag')) ...).
Last point: I don't know if it is possible, but did you try to create
the draggable on the mousedown instead of the mouseover?
It will save lots of work to the browser (It would require some
tweaks, but I successfully used this technique with
Ajax.InPlaceEditor).
Eric
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[Proto-Scripty] Re: Ajax.PeriodicalUpdater not working in IE
On Oct 9, 8:57 am, asb ast.bha...@gmail.com wrote: Ajax.PeriodicalUpdater is not working in IE [9]. Tested in other browser its working. Help Needed Dear asb, I am sure that plenty of people here are willing to assist you, but is not working is usually not enough information to allows anybody to help you in efficient way (neither is is not working in IE [9]). Do you mean that : - it raises an execution error? (in this case, which error message do you get?) - it doesn't do what you expect it to do? (in this case, what does it do?) Also note that AFAIK the IE9 beta is not yet officially supported by prototype. If you try to use it already, you may need to put hands in the source (once again, if you give more information about what you're trying to do and what is actually happening, I am sure you will get some help for solving your issue). Best, Eric -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: marquee in JavaScript (using Prototype)
On Aug 27, 5:43 am, Johan Arensman johanm...@gmail.com wrote: I'm fully against marquee's in the first place but you also have an option to add the attribute data-duration to your element. If you're making a class to replace a depricated functionality you shouldn't use this way to add features or configuration to it. I'm not sure I understand? Isn't data- the new HTML5 way to do custom element configuration? -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Prototype return limited
On Sep 10, 11:32 pm, chrysanthe m chrysant...@gmail.com wrote: Hi Dave Yes. I know I should not be shoveling out so much data to the client, but I have to for this proof of concept and will restrict it in production. Has anyone parsed return json data larger than 8K? I did. Note that: - I am using the response body (responseJSON) and not the response header. - I noticed that my server uses Transfer-Encoding: chunked (in case it may have an effect, since for shorter replies it uses gzip and give a Content-Length) . HTH Eric On Thu, Sep 2, 2010 at 9:27 AM, Dave Kibble davekib...@gmail.com wrote: just going on the number 8k (IE limit) and the ambiguity of return: do you mean that ajax fails when sending 8k to the server, or when the reply to an ajax request from the server is 8k -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.comprototype-scriptaculous%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] marquee in JavaScript (using Prototype)
For those that miss 1998 when the marquee element was still valid I got a quick script I put together yesterday which does similar functionality. It moves the content using scrollLeft instead of CSS which I believe results in smoother animation on less desirable browsers such as IE. http://gist.github.com/548690 The gist includes an example usage HTML document. Although marquee is a bad thing in most situations there are a few valid use cases. So for people looking for something like this it is free for all to use however they see fit. Eric -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Script.aculo.us + Prototype scripts not working on my server
I did see this strange behavior on a couple of computers (same code of course working nicely on other computers). My fix was to stop using scriptaculous.js and include directly all scriptaculous modules I needed (in your case, effects.js should be enough). However, unless you need your site to run on an intranet or an offline computer, you may keep googleapi links. It will optimise the browser's cache, and it is very likely that google servers will serve your scripts faster than your hosting company. Eric On Aug 16, 10:54 am, ColinFine colin.f...@pace.com wrote: On Aug 13, 6:43 pm, chad.goodwin chad.good...@gmail.com wrote: I was looking for a way to make an image scroller. I found Scriptaculous' effect.move works very well. In fact I found a working example. So I went and downloaded the newest version from the Script.aculo.us site. I unzipped the files and uploaded them to my javascript folder. I copied the example code verbatim and it worked. However, I noticed the example code was linking tohttp://ajax.googleapis.com/ajax/libs/scriptaculous/1.8.3/scriptaculou... I changed it to point to my scriptaculous.js in the javascript folder and it stopped working. I have checked that the files are there in the proper directory and the linking is correct. I even tried moving the .js files into the same directory as the web page and linking it by calling scriptaculous.js. Am I installing this wrong? Is there more I need to do? Do the Javascripts only work on certain types of servers? Have you verified that the js files are actually being loaded? I don't know what server you are using, but certainly with Apache it's easy to get your paths, aliases or permissions wrong (and it won't normally tell you where it is actually going to find a file). I would look at it in your browser debugger and make sure that the js file is loading. The type of server is irrelevant to the libraries, but may be relevant to where they are looked for :-) -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Introducing AutoTable, new Table/Grid widget
Hi On Aug 15, 5:12 pm, Blaine blaine.simp...@admc.com wrote: The way you suggest how to hand the sort gesture is how I implemented it first. The result is terrible because the th click and drag ... Why do you have a a in your th? You could use the mouseup of the th. In order to avoid flickering, you may not move the th upon drag until mouse has moved at least, lets say 5 pixels. I already meet this kind of issue with a custom made treecontrol where nodes could be both clicked and dragged. The way I did it: - Just implemented the drag and drop - on the drop, if the node is dropped on itself (its position has not moved from more than 4 pixels) I throw my drop on self event (which is really a click event in this case). It works fine on production for many years now and tens of users[1] are happy using it daily :o) I don't understand your suggestion about tab key, since that has been implemented and working since I first added editing, with the Well, I tried again and it seems to work now, except that your online demo is triggering an alert everytime now :o( significant limitation that the cycle ends when it opens a dropdown- list-editor. This is because my custom dropdown-list-editors can not take focus. It would take much more time than I have now to make the dropdown-list-editors able to capture keystrokes. The only reason that I have to use a custom list editor is that it's impossible to programmatically trigger an open of a HTML select element. Hum, it is not very nice to have some action only possible with mouse... It can me ok with easy life features like reordering columns or sorting, but not being able to edit the table content without a mouse can be seen as a no go for many persons. FYI, complete API references now available on the site for JavaScript, CSS class names, and Java for app server integration. Thank you, I'll try to have a look on it. Eric [1] Yes, this is on an intranet, so number of users is not very impressive... -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Introducing AutoTable, new Table/Grid widget
Hi Blaine, And thanks for sharing this. If I may make a couple of remarks for next version : - for the columns sorting, use mouseup instead of mousedown: It will react like other sortable controls, and this should allows you to not sort the table when user want to drag the column. - the nested rows feature is great but the visual feedback can be confuse to average web user. Perhaps using little + and - like tree node extension buttons (or whatever new thing is used in tree on new OSes). Once the rows are visible, perhaps your Ext column could contains a vertical line joining all expended rows (like Excel does). - also it would be nice if while editing, the tab key could validate the changes and open for editing the next column. T.J.: What about adding a resource list to the unofficial wiki (iirc there is one who list the resources websites, but perhaps a page where contributors can list their add-ons, a quick resume and a link could help). , Eric On Aug 11, 3:17 pm, Blaine blaine.simp...@admc.com wrote: Thanks T.J. I've used Scripteka before... that's where I've found most of the Prototype widgets that I use, but I didn't think it was updated, due to half of the site functions being broken (apprently due to the Trac library being broken). But I stand corrected because I see some library listings from 2010. Now if I can just contact the Scripteka maintainers since the submittal system and even the bug report function aren't working. On Aug 11, 4:43 am, T.J. Crowder t...@crowdersoftware.com wrote: Hi, http://scripteka.com/hasPrototype plug-ins and such. -- T.J. Crowder Independent Software Consultant tj / crowder software / comwww.crowdersoftware.com ... I can't find anyplace on the PrototypeJS site to get any publicity. Anybody have any tips about that? -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: IE 8 Error: The data necessary to complete this operation is not yet available
I am kind of sure all browser has a size limit on GET method parameters. IE6 just happens to have the smaller one. On a general way, there is very few advantage to use GET instead of POST, so you should not use GET except in some very specific cases like sending an username or a fixed size's session ID[1] However, you should know that there is also a size limit in POST parameters on the server side. Default value for those is often around 8 or 16 MB (which should be enough). Note also that some server-side technologies (like PHP) have another limit for the size of uploaded files. This means that if this limit is 2MB, you will not be able to send a 3MB file in your form, even if you fixed the POST limit size to 8MB[2]. Eric [1] I said it would work. Not that it would be safe to do it :o) [2] I lost a lot of time on this one first time I met this issue... On Aug 11, 3:47 am, KammylandSoftware kammyl...@gmail.com wrote: I found the solution, actually. As it happens IE 6 has a payload length limit when using the GET method. As it just so happens, I was in fact using the GET method to send some parameter data to the server in an ajax request (using prototype). Hence, the ajax request would not go through; then, when I assayed to access ajaxRequest.transport.responseText, I appeared to get the The data necessary to complete this operation is not yet available error, as it indeed was not available since the ajax request never went through; not withstanding I did send the Ajax request as asynchronous, it was thrown. The solution apparently was to use the POST method instead of GET, as IE 6 does not seem to have a similar limit on POST's payload as it does on GET's. Thanks anyhow fellows. On Aug 4, 1:12 pm, Eric lefauv...@gmail.com wrote: I think IE8 features a not that bad javascript debugger. If you activate it and reload your page, it will stop on the faulty line. On Jul 30, 10:45 pm, KammylandSoftware kammyl...@gmail.com wrote: Using the latest Prototype and Scriptaculous scripts hereto (July, 2010) I am getting this error in IE 8: The data necessary to complete this operation is not yet available. As IE does not give us a script filename but only a all-scripts- aggregate line number where the error occured, I have no idea what could be causing this. I did a Google search, but the only reasonable hit I got does not seem to exists anymore. Regards. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Ajax request on anchor onclick is buggy in Safari
T.J., I was surprised too that the DB would have time to get an update
before the page is unloaded, but I had a closer look at the
example :o)
If the links urls are downloadable file types like the .exe of the
example, the browser will not unload the current page, and the Ajax
request will complete.
Perhaps Safari does unload the page. You may try to specify a target
to the link to force safari to not replace the current page.
Also, I thought that the onclick handler should return a true value
for the link being followed...
Shouldn't you write something like onclick = return
logClick()... and add a return true at the end of your function?
[1]
The unintrusive approach of Fabien is probably the best here too
(well, not as good as the server side one but if you don't control the
server side...).
However, instead of creating an event for each link, you may observe
the document and use the event bubbling.
It would look like this (untested):
document.observe(click, function(event){
var link = event.findElement(a.log);
if(link)
{
new Ajax.Request('/logger.php?action=1');
}
});
you may use the link variable to get the href value of the link and
send it to your ajax script.
Advantages are:
- Only one event listener (may cause a difference on IE's memory
leaks)
- It will work with dynamically added links
I removed Fabien's trick to wait the Ajax's return before changing the
location because I think the target attribute will fix the issue[2],
but feel free to use it if there is no other choice (safari users will
have a crappy experience, but it will work...).
Once again, try first to have a server side solution. It will work
better.
Eric
[1] Well, what you really should do is using observe :o)
[2] and like T.J. said, it will reduce user experience.
On Aug 11, 3:02 am, T.J. Crowder t...@crowdersoftware.com wrote:
Hi,
By default, Ajax.Request is *asynchronous*. I'm surprised, frankly,
that you're seeing many database updates at all, regardless of the
browser, since a request may not have been transmitted before the page
gets torn down to make way for the new one. I wouldn't expect it to be
reliable.
If you made the requests synchronous, it would likely be fairly
reliable, but the user experience would be seriously degraded -- the
entire browser (in most cases) would appear to lock up for a second or
two before the link was followed. And of course, if the user has
JavaScript disabled, it's game over.
As Fabien mentioned, the reliable way to do this is server-side with a
redirect. His second suggestion (handling the click event, cancelling
it, sending off an Ajax request, and then triggering the location when
the request completes) will again result in a degraded user experience
on multiple levels -- delays (though at least the browser wouldn't
lock up), shift- and ctrl- click not handled correctly, etc.
HTH,
--
T.J. Crowder
Independent Software Consultant
tj / crowder software / comwww.crowdersoftware.com
On Aug 10, 11:34 pm, JoJo tokyot...@gmail.com wrote:
I'm collecting stats on user clicking behavior. In this example, I
write an entry into the database whenever someone clicks a link that
starts a download:
a href=program.exe onclick=logClick()download program/a
function logClick() {
new Ajax.Request(
'/logger.php?action=1'
);
}
This works great in Internet Explorer and Firefox. In Firefox, my
Firebug highlights the request in red as if it's an error. Anyway, I
see my database being updated, so I'm not too worried. What I'm
worried about is this fails to work in Safari 4. The only way I can
get it to work is:
function logClick() {
new Ajax.Request(
'/logger.php?action=1', {
onSuccess: function(transport) {
alert(transport.responseText);
}
}
);
}
For some reason, this causes the database to be written to.
Transport.responseText is blank for unknown reasons. How do I get this
to work without the alert? The alert degrades the user experience.
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[Proto-Scripty] Re: Preventing Autocompleter
Sorry for the late reply (Holidays :o) ) but why don't you just disable the city field until the state field is filled? On Jul 5, 9:19 pm, Jonathan Snelling jon.snell...@gmail.com wrote: There should be a before or a conditional parameter you can pass. That returns true to continue or false to not send the request. On Monday, July 5, 2010, infringer infrin...@gmail.com wrote: No takers? I guess there is no way to do this? On Jul 1, 6:51 pm, infringer infrin...@gmail.com wrote: I have an autocompleter on a City field. But I don't want it to send the request UNLESS the state field is filled in? Any suggestions on how to prevent it from sending the request? No need for the unnecessary requests going back and forth. Thanks, -David -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/prototype-scriptaculous?hl=en. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: window.open on ajax response
The browser probably blocks the popup because it is not opened by a direct action of the user. What you may try is: - On the click event: - Open the window on a blanc (or temporary) url - Launch the Ajax request - On the Ajax's onComplete: - Change the url of the previously opened window Eric On Jul 13, 11:15 am, ColinFine colin.f...@pace.com wrote: On Jul 12, 5:31 am, Hari hariharanwebm...@gmail.com wrote: But even this doesn't help since function call happens by a call back and not user action. So the browser popup blocker click in. One way i could think is make the Ajax call synchronous. But I think its not a great idea to make the Ajax call synchronous... I don't see how this would make any difference. What you have not made clear are what are the circumstances in which your browser blocks popups. Without knowing that it is hard to suggest a solution. It seems unlikely to me that it makes a difference whether the window is opened from a callback or not, but I don't know. Colin -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Login-Function broke with Firefox 4.0b2
Are you sure your firebug is compatible with this FF version?
I experienced this kind of issues (js errors occurring without any
error message or exception) in the past due to conflict between new FF
and old Firebug.
I also noticed that for some reason when one exception is fired during
an Ajax call, Firebug sometime doesn't show anything.
For what it worth, did you try to put a breakpoint in Ajax.Request's
handler (the code that will actually call your callback)?
Eric
On Jul 28, 12:43 pm, Marcus Schwarz msspamf...@gmx.de wrote:
Hi there,
I'm using a login based on prototype's Ajax-functions on my website. It
works perfectly with every up-to-date browser, but for the new Firefox
4.0 Beta 2 it is broken.
I'm doing the following:
// several pre-checks
if (ok) {
new Ajax.Request('dispatcher.php', {method:'post', parameters: {mode:
'login', server: $('l_server').value, login: $('l_loginname').value,
pass: $('l_password').value, l_ref: $('l_ref').value}, onSuccess:
_handleLoginSuccess, onFailure: _handleLoginFailure});
}
dispatcher.php contacts some server based on the users' choice,
establishes a session and sends that session-cookie back to the browser,
alongside with further information like a target url. The json-result
looks like:
{error:false,target:url here,ident:4e932}
The cookie is set correctly in the response-header.
Now the onSuccess-handler should handle this result. But: nothing
happens. The handler:
function _handleLoginSuccess(e) {
console.debug(e);
e = e.responseJSON;
[blahblahblah]
}
There is no console output, there is nothing of the payload executed. If
I set a breakpoint inside the handler, it is never reached. The
failure-handler isn't called either.
Now I'm stuck. Anyone having a great idea how to track down that
problem? I'm using prototypes last stable release 1.6.1
Thank you in advance
Marcus
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[Proto-Scripty] Re: Touch screen / mouse gesturing.
About ideas/suggestions, instead of using text input for entering car and personal pin numbers, have you considered using bar codes? It is surprisingly easy to add barcode reading from a website using ZXing (http://code.google.com/p/zxing). In big lines, you have to install the free scanner on the phone (available on iPhone, android and some others), and then the phone's web browser can understand specially formated urls (see doc for details) that will when navigated to (i.e when user press a button) : - Start the scanner - Navigate to one of your url with the scanned barcode value as GET parameter I would be surprised that any company owning a fleet of vehicles nowadays would not having already sticked on them some barcode ID for maintainability purpose. FWIW, that would be a killer app to use (press one button, point phone's camera to car's code until it beeps, point phone's camera to your id badge until it beeps, and press a confirmation button) :o) Eric PS: Of course, don't remove the text input for peoples using an iPad ;o) On Jul 29, 1:41 pm, Richard Quadling rquadl...@gmail.com wrote: Hi. I'm developing a tiny little web page app which allows vehicle inspectors to see the work last carried out on a vehicle. The display shows the order header (who, when) and the order details (what). At the bottom of the display, there are 3 buttons - Prev, New Search, Next. The display is fed using AJAX, so no screen redraws and is very responsive. Along with the Prev and Next buttons, a user can press 'P' or 'N'. The app only has 2 input boxes and a button on the first page (vehicle number and personal pin number for the inspector which is linked to the contract(s) which are linked to the vehicle). The main display has the 3 buttons described above and there is an error notification page (vehicle not found, invalid pin number, etc.). This page has the New Search button. All working great on a desktop (IE8, Chrome and FireFox). The app is going to be mainly used via a browser on a mobile internet device (could be an iPhone, an iPad, or anything that has a browser). For the touch screen systems, I'd like to be able to implement some touch screen support. I'd like to implement something where if the user wipes their finger from left to right (like turning a page), then they are choosing Previous. If they wipe right to left, then are choosing Next. Are there any standards for this (OK, I'm just being hopefully) ? Can I simulate this using Prototype? At a guess, I think the following steps are needed ... 1 - On mousedown, record position and time. 2 - On mouseup, determine direction and duration. 3 - For a short duration and a fairly low difference in the vertical movement, assume the intent is to trigger the page turning 4 - For a long duration or a big difference in the vertical movement, do nothing extra. Assuming something like the above is right, how does highlight/cut/paste mechanism work? For this app, the content is pretty generic and no real need for cut and paste. Any ideas/suggestions/etc. would be gratefully received. Regards, Richard Quadling. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: IE 8 Error: The data necessary to complete this operation is not yet available
I think IE8 features a not that bad javascript debugger. If you activate it and reload your page, it will stop on the faulty line. On Jul 30, 10:45 pm, KammylandSoftware kammyl...@gmail.com wrote: Using the latest Prototype and Scriptaculous scripts hereto (July, 2010) I am getting this error in IE 8: The data necessary to complete this operation is not yet available. As IE does not give us a script filename but only a all-scripts- aggregate line number where the error occured, I have no idea what could be causing this. I did a Google search, but the only reasonable hit I got does not seem to exists anymore. Regards. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: $$()
On Jul 30, 1:26 pm, Richard Quadling rquadl...@gmail.com wrote:
$('form_id').observe('blur', function(ev) {
var el = ev.findElement('input[type=text]');
if (el) {
// el is the element that triggered the blur.
.../...
[1]http://api.prototypejs.org/dom/event/findelement/
According to the provided link, If no matching element is found, the
document itself (HTMLDocument node) is returned..
Is it a bug in the documentation?
Until now, I've been paranoid testing (el el != document) but I
have a feeling that your test works as we think it should (returning
null or undefined when no matching element is found).
Any enlightenment on this topic is welcome :o)
Eric
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[Proto-Scripty] Re: Issues with IE8, mousedown, mouseup -
Returning false is not enough with prototype.
You have to call the stop() method.
This should look like this (untested):
$('yourButtonId').observe('mouseup',function(event) {
event.stop();
});
If you put everything in mouseup event, just call event.stop() at the
end (this should prevent other mouseup handlers to be called).
Eric
NB: Sorry I mismatched two languages: ihm is French accronym for
GUI (Graphic User Interface).
What I meant to say is that if you press any of your operating
system's button, the action will not be performed until you release
the mouse button.
On Jun 24, 6:47 pm, max radin max.tomlin...@gmail.com wrote:
I have tried that - same behavior - after the widget renders the
results, the form/page (or whatever is happening) is reset.
I've also tried trapping the mouseup and having it a) return false b)
do nothing (after the mousedown has processed the search) - all to no
avail: form is reset.
The only thing that seems to work is if I put an alert in the mouseup
and don't repsond to it until well after my search results are posted.
So I need a way of no-opping the mouseup event.
Any ideas anyone?
what is 'ihm' BTW?
thanks
Max
On Jun 24, 2:17 am, Eric lefauv...@gmail.com wrote:
Hi,
Have you consider using mouseup instead of mousedown?
This is indeed how standard ihm buttons works.
It doesn't explain or justify IE8's behavior, but if it works, you can
hit two birds with one stone.
Eric
On Jun 24, 1:55 am, max radin max.tomlin...@gmail.com wrote:
Hi-
I have a search widget class written in prototype that's been running
fine for a couple of years now in FF and IE6+7. The user enters search
parms, clicks a button and an ajax interaction (using jboss seam)
retrieves data from a host server class (Java). The results are
populated into a div and rendered using Element.show. The search
widget is flexible enough to be used in multiple pages. The button
event fired is onmousedown.
The problem I am having with IE8 is that the mouseup event is being
invoke and reloading the form (which contains the search widget). If I
keep the button pressed down, the results display fine. Once I let the
button go (mouseup) my form is reloaded. I've tried intercepting the
mouseup event but it only nullifies the mousedown. I'm using the
latest prototype.js (1.7x and have tried multiple versions).
Any ideas?
many thanks
Max
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[Proto-Scripty] Re: Issues with IE8, mousedown, mouseup -
Hi, Have you consider using mouseup instead of mousedown? This is indeed how standard ihm buttons works. It doesn't explain or justify IE8's behavior, but if it works, you can hit two birds with one stone. Eric On Jun 24, 1:55 am, max radin max.tomlin...@gmail.com wrote: Hi- I have a search widget class written in prototype that's been running fine for a couple of years now in FF and IE6+7. The user enters search parms, clicks a button and an ajax interaction (using jboss seam) retrieves data from a host server class (Java). The results are populated into a div and rendered using Element.show. The search widget is flexible enough to be used in multiple pages. The button event fired is onmousedown. The problem I am having with IE8 is that the mouseup event is being invoke and reloading the form (which contains the search widget). If I keep the button pressed down, the results display fine. Once I let the button go (mouseup) my form is reloaded. I've tried intercepting the mouseup event but it only nullifies the mousedown. I'm using the latest prototype.js (1.7x and have tried multiple versions). Any ideas? many thanks Max -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Proper error handling
I also have a similar method, but I use an Ajax responders to check
the error flag and divert the processing to an alternative function
when it is set.
Since there is no Ajax.Responder for onSuccess, I use onCreate to wrap
the error management code around the provided onSuccess option.
I once considered returning a custom HTTP status code and using either
onError or on5xx (where 5xx is the custom status code for my errors).
I am curious if someone tried this, to know if it was a good choice or
not.
Eric
On Jun 23, 4:24 am, joe t. thooke...@gmail.com wrote:
Oh thank god. i thought i was being incredibly dense using a solution
like that. But having seen no other way to determine the procedural
path to take when the server responds (barring a transport error),
that seems the most effective way to follow one route for successes
and another for failures/errors. Would be interested in seeing some
tips for that wrapper magic. ;)
-joe t.
On Jun 22, 2:45 am, T.J. Crowder t...@crowdersoftware.com wrote:
Hi,
On Jun 21, 9:58 pm, Jason 'XenoPhage' Frisvoldxenoph...@godshell.com
wrote:
[snip]
What about a non-HTTP error? What if, for
instance, myId was invalid? What is the proper way to pass that
information back to the ajax application? Is it ok to use a custom 4xx
error? Or should I be using JSON or XML to handle this?
The answer is in the question. :-) If it's a non-HTTP error, it
wouldn't be best practice to use an HTTP error code to represent the
error. (Not that HTTP status codes don't have a fair bit of scope
creep in them already.)
I've standardized by having *all* of my Ajax calls return data in the
same way. They all return JSON-formatted data, and the format for
success is always:
{
success: true,
otherdata: here
}
and the format for errors is always:
{
success: false,
errMessage: error message here
}
In any given application, I tend to have a wrapper around Prototype's
ajax stuff with some problem-domain logic in it. That wrapper always
checks for the `success` flag on calls and routes to the error handler
if it's not there.
FWIW,
--
T.J. Crowder
Independent Software Consultant
tj / crowder software / comwww.crowdersoftware.com
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[Proto-Scripty] Re: drag and drop on the iphone
Hi, iPhone and friends use dedicated event like touchstart, touchend, touchmove and touchcancel (those 4 ones seems to do what you're looking for and seems to be supported by both iPhone and Androids phones (with the stock browser)). You may find an exhaustive(?) list of event supported by your browser by opening this page: http://yura.thinkweb2.com/isEventSupported/ HTH, Eric Note: You may have to implement your own drag'n drop framework using those messages since I have no idea if scriptaculous one support them (probably not or you wouldn't have asked :o) ). On May 30, 5:14 am, Shank Bogey mgost...@gmail.com wrote: I have an online chess site that uses scriptaculous for drag and drop (crazylogic.net/chess). I would love if the chess board (drag and drop) worked on the iPhone, is this possible? Touch and drop would be great... I've been seaching google for the last hour and haven't gotten very far. I would very much appreciate some guidance. Thanks! -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Applying .appear() effect on a background
Hi On May 23, 4:51 pm, Darkie masia...@gmail.com wrote: Hey, I'm trying to change the background of a page using setTimeout and some function. It works but it's ugly to see. Is it possible to apply the .appear() function in a way that the background changes with that effect? AFAIK, there is no way to do that, but if instead of using the body's background style you insert a low z-order div under your page and use its background style, you may use appear effect on it. Basic step would be: - having a -1000 z-order div with background set as original background. - creating a new div with -999 z-order, fully transparent with your new background - use appear effect on this new div - after the effect is completed, remove the initial div, and change the new div's z-order to -1000 so you are ready to change the background again (you may want to change its id to the original div's id). Good luck. Eric Thanks M -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/prototype-scriptaculous?hl=en. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Cross-browser function for Text content
What I use in this case is:
$('test').textContent || $('test').innerText
If textContent is defined, it is used. if it isn't, innerText is used.
This would be a lot faster than stripping tags.
The only drawback I can think of is that sometime you may get an
undefined instead of an empty string (which would be equivalent to
false).
Eric
On Apr 12, 9:35 pm, Rüdiger Plantiko ruediger.plant...@astrotexte.ch
wrote:
Hi TJ,
I get the number 4711 in IE with $(test).innerText and in FF with $
(test).textContent - does Prototype provide a browser-independent
abstraction for this?
Hopefully you get the *string* 4711 rather than the number 4711
(unless you parse it). :-)
You are right, in a posting every word is important, in order
to avoid misunderstandings. So, yes: I am getting the string, not the
number.
... innerHTML ...
yeah, if the document structure guarantees to me that the element in
question only contains a text node, then I could use innerHTML
equivalently
to innerText/textContent.
Element.addMethods({
text: function(element) {
if (!(element = $(element))) return;
return element.innerHTML.stripTags();
}
});
thanks for the reference to String.stripTags() - I hadn't realized the
existence of
such a function before.
- Regards,
Rüdiger
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[Proto-Scripty] Re: Cross-browser function for Text content
On Apr 12, 7:04 pm, T.J. Crowder t...@crowdersoftware.com wrote:
Element.addMethods({
text: function(element) {
if (!(element = $(element))) return;
return element.innerHTML.stripTags();
}
});
wouldn't it be wiser to check for the native method once and use it?
Something like (untested)
Element.addMethods({
text: function(element) {
if (!(element = $(element))) return;
return element.innerHTML.stripTags();
}
if($$('BODY').first().textContent===undefined)
{
}
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[Proto-Scripty] Re: Cross-browser function for Text content
Oooops, gmail sent the message before I finished... :o)
Here is the correct message (please ignore the previous one)
On Apr 12, 7:04 pm, T.J. Crowder t...@crowdersoftware.com wrote:
Element.addMethods({
text: function(element) {
if (!(element = $(element))) return;
return element.innerHTML.stripTags();
}
});
wouldn't it be wiser to check for the native method once and use it?
Something like (untested)
Element.addMethods({
text: ($$('BODY').first().textContent===undefined)
? function(element) { if (!(element = $(element))) return;
return element.innerText; }
: function(element) { if (!(element = $(element))) return;
return element.textContent; }
});
Eric
NB: I know, the testing condition is ugly... feel free to post a
better one :o)
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[Proto-Scripty] Re: The Unofficial Wiki
Hi, Instead of moving the wiki content to official prototype's page, couldn't we just rename it as Official Wiki and link it from the prototypejs homepage? This would allows more peoples to find the content while still let them add/edit content if they wish it. The howtos (and some of the tips) are a real added value and are not available anywhere (afaik). Of course, since the wiki is also about scriptaculous we may have to find a clear way to not confuse users which just need prototype information. Eric On Apr 9, 12:43 pm, T.J. Crowder t...@crowdersoftware.com wrote: Hi, I think the site needs an integrated contribution system for Prototype Extensions, better than jQuery's(http://plugins.jquery.com/). One thing at a time. :-) And of course, there's scripteka.com. Some want something easier than learning git, rake, lighthouse, etc., in order to contribute; maybe a web front-end to whichever code is in place, to lower the barrier to contributing. Good news: Apparently in GitHub, you can fork the project and do on- site editing of content (Mislav and Tobie just told me about that), then send a pull request. So if git is a barrier, someone can contribute just using a browser. Result! -- T.J. :-) On Apr 9, 3:17 am, disccomp discc...@gmail.com wrote: T.J. Crowder: Question: Do we need a wiki with user-generated content? We should: just move all of the relevant content to the Prototype website and make sure the process for contributing to the website is well-publicized, easy, and efficient I think the site needs an integrated contribution system for Prototype Extensions, better than jQuery's(http://plugins.jquery.com/). It would be great if the extensions and the patch submission system shared a contribution system. Some want something easier than learning git, rake, lighthouse, etc., in order to contribute; maybe a web front-end to whichever code is in place, to lower the barrier to contributing. User generated code and examples could be posted maintained right on the site with (Prototype Friendly) syntax highlighting. Rico 2.0 has lots of goodies[1], so does Scriptaculous, it would be awesome to sync all these projects up, make the components modular with clear a dependance scheme, especially when considering the future of the library. [1]http://openrico.sourceforge.net/examples/index.html -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Class Inheritance from Element
Could you post a use example?
In this case, I usualy create a simple class not derived from Element
and a maker function to extend DOM elements with this class
prototype.
I am not sure at all it is the best approach but it works and is
relatively easy to maintain.
It looks like this (untested) for exemple if you want to cast a LI tag
into a kind of tree:
function mkTree(domElement) {
domElement = $(domElement) || new Element('li');
Object.extend(domElement,Tree.prototype);
domElement.initialize();
return domElement;
}
var Tree = Class.create({
initialize: function() {this.addClassName('tree'); },
createNode: function(...) {.../... }
});
You may have to play with Array.shift and Function.call if you want to
have extra parameters to your constructor (I've never needed it yet
but it should be possible).
Eric
Note: I've never tried to override a native method and I am kind of
certain it would not work :o)
On Apr 7, 9:11 pm, Guss gus...@gmail.com wrote:
On Mar 25, 12:02 am, Glen a...@usa.com wrote:
I would like to use Prototype's class inheritance to derive a class
from Element as below:
The current structure of Element and Class does not support such.
I was wondering if anyone had anything more elegant.
I have the same issue - I want to create my own classes that inherit
from standard DOM elements, so I can do something like:
var Button = Class.create(Element, {
initialize: function($super, content) {
$super('button');
this.update(content);
}});
document.body.appendChild(new Button(submit));
But as you noted, Element in prototype is not a prototype Class that
can be extended using Class.create. I decided not to muck about with
that and instead write something else. So I create
Class.createElement() that works like as you would expect, with the
very serious caveat that you can't override most native methods (not
sure why - I can override some, but not others).
The implementation looks like this (and is mostly copied from
Class.create):
Class.createElement = function(tagname, impl) {
var IS_DONTENUM_BUGGY = (function() {
for ( var p in { toString : 1 }) {
// check actual property name, so that it works with
augmented
// Object.prototype
if (p === 'toString')
return false;
}
return true;
})();
return function() {
var elm = new Element(tagname);
properties = Object.keys(impl);
// IE6 doesn't enumerate `toString` and `valueOf` (among
other built-
in
// `Object.prototype`) properties,
// Force copy if they're not Object.prototype ones.
// Do not copy other Object.prototype.* for performance
reasons
if (IS_DONTENUM_BUGGY) {
if (impl.toString != Object.prototype.toString)
properties.push(toString);
if (impl.valueOf != Object.prototype.valueOf)
properties.push(valueOf);
}
for ( var i = 0, length = properties.length; i length; i++)
{
var property = properties[i], value = impl[property];
if (Object.isFunction(value)
value.argumentNames()[0] ==
$super) {
var method = value;
value = (function(m) {
return function() {
return elm[m].apply(this,
arguments);
};
})(property).wrap(method);
value.valueOf = method.valueOf.bind(method);
value.toString = method.toString.bind(method);
}
impl[property] = value;
}
Object.extend(elm,impl);
elm.initialize.apply(elm,arguments);
return elm;
};
};
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[Proto-Scripty] Re: -[Accordion]-...
On Mar 29, 8:51 pm, Walter Lee Davis wa...@wdstudio.com wrote: By the way, has anybody seen the new jsBin?! Really nice, and no more halloween color scheme either. Yes, it is a lot nicer, but it still is bogus on Firefox when using scriptaculous: You cannot use preview tab because it doesn't load scripts in the correct order (scriptaculous is loaded before prototype.js which screw things up). I hope this will be fixed soon. Eric -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: hash:zero
Something like that should do it: yourHash = $H(); You're affecting a new empty hash to your old hash, which should be garbage collected by the browser. Eric On Mar 29, 8:47 pm, Walter Lee Davis wa...@wdstudio.com wrote: So if you had a hash of N length and you wanted to end up with a hash with no members? You could try setting its length to 0. Not sure if that works, but it would be the first thing I would try. Walter On Mar 29, 2010, at 2:26 PM, chrysanthe m wrote: Hello I am sure this is documented somewhere, I have googled and looked at the api however it is still unclear. How can I zero our all the keys/values of a prototype hash without iterating over it? Sorry if it is documented, I couldn't find an api faq. tia. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com . To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/prototype-scriptaculous?hl=en . -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Ajax onFailure never gets called
does oncomplete fire?
On Mar 10, 4:31 pm, JoJo tokyot...@gmail.com wrote:
I noticed that the onFailure callback never fires when there's
actually an error in Ajax.Request. Commonly, I just alert('server
busy') in the callback. I never see this alert when my web host is
overloaded and just doesn't respond at all. How do I alert an error
message when the server is too slow and never responds?
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[Proto-Scripty] Re: mutile-toggle problem
Surely has something to do with trying to toggle an item when it is
already in the middle if a toggle transition. You might be able to
bail out and start rendering the reverse of the current toggle
animation by usingone of the callbacks and starting your new render at
the complement of whatever point the current render bailed out at:
http://wiki.github.com/madrobby/scriptaculous/core-effects
On Mar 10, 4:19 am, mikaeru mika...@gmail.com wrote:
Hello there, I tried to implement two toggle buttom stay next to each
other.
if any buttom is toggled then it should be toggled back automatically
while click on the other one.
The codes below actually do the work, however, if somebody clicks on
both buttoms in a second.
it mess up the code as well as its behavior.
I'm rather new to the prototype, so the code might look a little bit
exhuasted.
any suggestion and help?
var isRightToggled = 0;
var isLeftToggled = 0;
contentToggleLeft = function() {
if(isLeftToggled) {
isLeftToggled = 0;
}
else {
isLeftToggled = 1;
}
if(isRightToggled) {
isRightToggled = 0;
new Effect.toggle('content-left', 'slide');
setTimeout(Effect.toggle('content-right',
'slide');, 1000);
}
else {
new Effect.toggle('content-right', 'slide');
}
}
contentToggleRight = function() {
if(isRightToggled) {
isRightToggled = 0;
}
else {
isRightToggled = 1;
}
if(isLeftToggled) {
isLeftToggled = 0;
new Effect.toggle('content-right', 'slide');
setTimeout(Effect.toggle('content-left', 'slide');,
1000);
}
else {
new Effect.toggle('content-left', 'slide');
}
}
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[Proto-Scripty] Re: Disabling ajax.autocompleter (new way) when updating field
Just give the focus to something else. Eric On Feb 24, 11:02 pm, Jinsa jf.wesq...@gmail.com wrote: Hi all! Sorry for digging up such an old thread (see Disabling Scriptaculous autocomplete at the bottom of my thread) but I'm working on the same problem (more or less). I have an input field using autocompleter and I must disable it when I modify the div wich contains the input field (it deletes the input and cause an error because the oberver on the autocompleter observe nothing) So, one solution seems to focus out the input field (doing manualy it dodge the error), it makes it stop the observer (wich is good! :)) but... mmhhh... I don't even know how to focus out an input field ^^. I tried element.toogle, element.focus(0), element.hide()... nothing works. So, maybe someone have a clue in order to make it work (btw I may not want to modify controls.js... because I don't see how to disable it with the modifications) Enjoy your night! Jinsa. Original thread:http://groups.google.com/group/prototype-scriptaculous/browse_thread/... -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Having Effect.Opacity work with a Class and not an ID
Hi,
David from the list wrote a class for doing this (an effect that
actually modify the CSS style's style and by side effect all DOM
objects belonging to the same class:
http://scripteka.com/script/effect-onclass
Note that you'll need to be sure that your CSS style has an explicit
opacity value before calling the effect.
Eric
On Mar 5, 9:44 am, T.J. Crowder t...@crowdersoftware.com wrote:
Hi,
You can use Effect.multiple[1] to apply the same effect to multiple
elements. So:
Effect.multiple($$('.fade-in'), Effect.Opacity, { from: 0, to: 1,
duration: 1.5 });
[1]http://wiki.github.com/madrobby/scriptaculous/effect-multiple
HTH,
--
T.J. Crowder
Independent Software Consultant
tj / crowder software / comwww.crowdersoftware.com
On Mar 3, 5:27 pm, CaptainNoob jacobl...@gmail.com wrote:
ul id=menu
li id=nav_home class=fade-ina href=/Home/a/li
li id=nav_archivesa href=/archivesArchives/a/li
li id=nav_contact class=fade-ina href=/contactContact Me/
a/li
li id=nav_googlea href=http://google.com;
rel=externalGoogle/a/li
/ul
--
new Effect.Opacity('fade-in', { from: 0, to: 1, duration: 1.5 });
Is it possible to fire scriptaculous effects with a class name rather
than an ID? I tried putting $$('fade-in') , but that did not seem to
work.
Thank you for the help.
Jacob
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[Proto-Scripty] Re: Ajax.Autocompleter doesnt work on firefox
Do you have any error/warning message in the Firefox console ?
If you're using Firebug's debuger, I've noticed that it sometimes just
stop code execution when reaching a line that will fail.
To see the error, you may go on script tab and click on Continue
execution (the VCR Play button like icon).
On Mar 4, 2:21 pm, Virginia virginianbar...@gmail.com wrote:
I have a jsp where i include this:
script src=js/scriptaculous/prototype.js type=text/javascript/
script
script src=js/scriptaculous/effects.js type=text/javascript/
script
script src=js/scriptaculous/controls.js type=text/javascript/
script
then i use it like this:
input name=apellido autocomplete='off' id=apellidoId size=40
type=text value= /
div class=autoComplete id=apellidoIdAutoComplete/div
script type=text/javascript
new Ajax.Autocompleter('apellidoId',
'apellidoIdAutoComplete', autoComplete.do?tipoComplete=apellido,
{paramName: valor, minChars: 3})
/script
then i have a class which loads de collectiion (colAutoComplete ... it
loads the collection correctly) an then goes to a jsp that looks like
this:
ul
logic:iterate id=elemento name=colAutoComplete
indexId=indice
libean:write name=elemento //li
/logic:iterate
/ul
any idea? thanks!
On Mar 4, 9:51 am, green greenlaw...@gmail.com wrote:
I have used that control before, never found it not work in firefox. what's
ur code exactly?
On Thu, Mar 4, 2010 at 3:54 AM, Virginia virginianbar...@gmail.com wrote:
hi all,
I'm having a problem with autocomplete on firefox,
I'm using Ajax.Autocompleter and it works fine on IE but it doesn't
show anything on firefox (3.6)
Does anyone know which could be the problem? I'm using last
scriptaculous version.
Thanks a lot!
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[Proto-Scripty] Re: change frequency in running periodical executer?
Didn't you mean :
this.frequency = frequency;
:o)
Thanks for the snippet!
Eric
On Feb 21, 8:14 am, Радослав Станков rstan...@gmail.com wrote:
There isn't PeriodicalExecuter#start method its
PeriodicalExecuter#registerCallback
You can do:
code
x.stop();
x.frequency = 1;
x.registerCallback();
/code
You can also do:
code
PeriodicalExecuter.addMethods({
changeFrequency: function(frequency){
this.stop();
this.frequency = 1;
this.registerCallback();
}});
/code
an then just call:
code
x.changeFrequency(1);
x.changeFrequency(whatever);
/code
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[Proto-Scripty] Re: callback decoration
Hi Sergio,
I am not sure what you mean by make the bind but here is an example
doing what you ask using ajax responders:
Ajax.Responders.register({
onCreate: function(ar)
{
ar.options.onSuccess = ar.options.onSuccess ||
Prototype.emptyFunction;
ar.options.onSuccess = ar.options.onSuccess.wrap(function
(localCB,xhr,xjs)
{
// Do your stuffs here
alert(Apex inboud!);
// Then call the provided callback
localCB(xhr,xjs);
});
}
});
new Ajax.Request('http://jsbin.com/azeyo',{
onSuccess: function(xr) { alert(CB:+xr.responseText); }
});
You can see it working here: http://jsbin.com/afudi and play with the
code here: http://jsbin.com/afudi/edit
Eric
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[Proto-Scripty] background-color stucked after an highlight effect
Hi,
I have a table with even rows having an even class name.
even changes the background color of the row:
tr.even { background-color: #def; }
My concern is that after using a Effect.Highligth on some rows, if I
add or remove the even className to them, their background color
doesn't change anymore.
I tried without success those 3 approaches:
new Effect.Highlight(tr,{queue: 'end', afterFinish:
function() { tr.style.backgroundColor = undefined;}});
new Effect.Highlight(tr,{queue: 'end', afterFinish:
function() { tr.setStyle({'background-color: 'none'});}});
new Effect.Highlight(tr,{queue: 'end', afterFinish:
function() { tr.setStyle({'background-color': 'inherit'});}});
Can anyone tell me what I am doing wrong?
Eric
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[Proto-Scripty] Re: background-color stucked after an highlight effect
Thanks David,
It does work!
And do does tr.style.backgroundColor = '';
Why did I look for something complex when solution was so simple :o)
Thanks again!
Eric
On Dec 4, 1:08 pm, david david.brill...@gmail.com wrote:
Hi Eric,
do you try to reset the element style property for background-color ??
try this
new Effect.Highlight('b',{queue: 'end', afterFinish:
function() { $('b').setStyle({backgroundColor:''});}});
--
david
On 4 déc, 12:55, Eric lefauv...@gmail.com wrote:
Hi,
I have a table with even rows having an even class name.
even changes the background color of the row:
tr.even { background-color: #def; }
My concern is that after using a Effect.Highligth on some rows, if I
add or remove the even className to them, their background color
doesn't change anymore.
I tried without success those 3 approaches:
new Effect.Highlight(tr,{queue: 'end', afterFinish:
function() { tr.style.backgroundColor = undefined;}});
new Effect.Highlight(tr,{queue: 'end', afterFinish:
function() { tr.setStyle({'background-color: 'none'});}});
new Effect.Highlight(tr,{queue: 'end', afterFinish:
function() { tr.setStyle({'background-color': 'inherit'});}});
Can anyone tell me what I am doing wrong?
Eric
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[Proto-Scripty] Re: this and setTimeout in Prototype-based class
Well, since you're in Prototype, you can do this:
this.doSomething.bind(this).delay(1000, ...);
where the ... stand for other parameters of doSomething method (if
they are needed).
Eric
On Dec 3, 3:29 pm, Daan Mortier daanmort...@gmail.com wrote:
I'm sorry, I made some typos. This is correct:
// where obj is obviously your object
var func = function() {
this.doSomething()}.bind( obj );
window.setTimeout( func, 1000 );
Daan
On Thu, Dec 3, 2009 at 15:28, Daan Mortier daanmort...@gmail.com wrote:
To pass a function to setTimeout that is binded to an object of choice, to
something along these lines:
// where obj is obviously your object
var func = function() {
this.doSomething()
}.bind( this );
window.setTimeout( func, 1000 );
Function.prototype.bind is a function that's defined in the Prototype
library. Hope this helps.
Daan
On Wed, Dec 2, 2009 at 15:25, fma f...@gbiloba.org wrote:
Hi,
I'm new to Prototype. I'm using it to write a little application for
our photoclub. Its goal is to allow users to upload photos, and then
vote for them.
I display all the thumbs, and a double-click on a thumb opens the
photo in full-screen (in a div). As the photo can take time to load, I
use setTimeout() to delay the display. The code looks like:
But it does not work. In the _show() method, the call to
this._flashNavButtons() leads to an error (this._flashNavButtons() is
not a function). I think I understand why: when called from the
timeout mecanism, 'this' no longer exists, or does not point anymore
on my object...
Is there a way to pass 'this' in the timeout callback? I also use such
timeout callback to make the navgation buttons blink 3 times when the
photo is opened in full size…
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[Proto-Scripty] Re: document.write() vs Element/appendChild()
When you have a large piece of code to post, it is nice to also post a link on pastie.org or jsbin.com. For example, I pasted the code you've posted on pastie here: http://pastie.org/727583 Eric On Dec 4, 8:09 am, fma f...@gbiloba.org wrote: BTW, what is the tag to format code on this group? -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
[Proto-Scripty] Re: Sychronize many asynchronous Ajax.Request
And next, because an array is much more flexible than variables. you
I am sorry David, but I don't agree with you on this :o)
An object variable is ways more flexible than an array. Especially if
you add some methods to its prototype to fit your needs.
And it is probably overkill in this case, where an incremented int
would do it unless you actually need the result objects of every
previous requests (which is not the same thing than need to be
executed after every previous requests which is the need expressed by
maalek).
Alex: That's weird, but I was thinking the xhr object was stored in
the closure of the Ajax.Request object, and garbage collected after
the last callback was called (unless you store a reference to this
object in another variable of course).
It seems I am obviously wrong here I guess I'll have to have a
look in the source again :o)
var request=new Ajax.Periodical...({});
request=null;
If you nullify the Periodical thingy, will it continue to be called?
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[Proto-Scripty] Re: Sychronize many asynchronous Ajax.Request
Hi, I'd launch all Ajax.Request except the last one with a onSuccess handler that: - set a flag - if all flags are set, launch the last Ajax.Request This way, you don't have to use timer, or loop calling yourself recursively. Eric NB: I didn't test it, but you may increment a counter instead of using many flags On 21 nov, 23:31, T.J. Crowder t...@crowdersoftware.com wrote: Hi, Synchronous is simple way but object create time increses x3. How function use to wait until all object is ready ? setInterval ? Probably setTimeout, but yeah; or setTimeout's Prototype wrappers Function#defer / Function#delay. Have the code in question check its preconditions, and if they're not met, setTimeout/defer/delay itself. -- T.J. Crowder Independent Software Consultant tj / crowder software / comwww.crowdersoftware.com On Nov 21, 2:33 pm, maalek maaa...@gmail.com wrote: Synchronous is simple way but object create time increses x3. How function use to wait until all object is ready ? setInterval ? maaalek On 21 Lis, 14:32, Alex McAuley webmas...@thecarmarketplace.com wrote: Ask it to check a variable that is set as ready by all the others .. or make it defer and be synchronous .. Alex Mcauleyhttp://www.thevacancymarket.com - Original Message - From: maalek maaa...@gmail.com To: Prototype script.aculo.us prototype-scriptaculous@googlegroups.com Sent: Saturday, November 21, 2009 12:59 PM Subject: [Proto-Scripty] Sychronize many asynchronous Ajax.Request Hello I have problem. When my page is load I build many objects (aprox 15) by Ajax.Request (asynchronous : true) but last object I can create when all previous object is ready. Any idea how do that ? maaalek -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=. -- You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=.
[Proto-Scripty] Re: onClick vs Element.observe
Hi,
I also think delegation is the better approach.
However, I did notice that none of the examples was dealing with the
case where the user click on something that is not a '.item'.
You may want to do something like this:
function doIt(e) {
var element = e.findElement('.item');
if(element != document)
{
var id = element.id;
// Do your stuffs here
}
}
Eric
On Nov 18, 1:47 pm, ColinFine colin.f...@pace.com wrote:
On Nov 17, 10:17 pm, phegaro pheg...@gmail.com wrote:
Delegation sounds like a good model for doing this although if i want
to pass parameters that are custom to each node like which id did it
click on then i assume i have store it as a property on the node and
pass arguments to the delgated function?
In the above example if doIt took a paramter of the id to work on,
doIt(id) {
// do something to the object with id X
...
}
Then with the delegation model i would have to retreive the node using
findelement and then have an attribute on the node that held the id?
Is that right?
Yes, clearly; if the processing is different for different element
then a delegation model requires you to determine which element you
are processing and choose your processing accordingly.
If each item is distinct, give them all an HTML 'id', and just use
that:
function doIt(e) {
var element = e.findElement('.item');
var id = element.id;
If there are classes of them, it's easiest to use CSS classes:
span class='item click_class_1' ...
function doIt(e) {
var element = e.findElement('.item');
var class_1 = element.hasClassName('click_class_1');
or more generally
function doIt(e) {
var element = e.findElement('.item');
if (var matches = element.className.match(/click_class_(\n+)/) {
var clickclass = matches[1]);
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[Proto-Scripty] Re: Observing multipart/form-data oncomplete
Hi, You may try to observe the iframe's onload since after a form submission, the server is supposed to return a page. Of course, remember that this event will also be fired on the iframe's initial loading so you'll have a little extra plumbing to do. Another possibility would be for the server to return something like: Event.fire(parent.document,form:complete); and to observe this event on your document, but it may not be that simple to send event to/from iframe (I never tried). Good luck, Eric On Nov 12, 1:37 pm, Stucture_Ulf maximilian.moulet...@gmail.com wrote: I'm using document['formID'].submit() to submit a multipart/form-data form for multiple files upload. I want to observe the upload process and fire additional events once the file/files has been uploaded. I'm using a iframe for the upload form and looking for a way to observe the onComplete state of the submitted form. I'm not using the Ajax.Request since I'm uploading files through a iframe...feels like there's a simple and basic solution I've missed. Help appreciated --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] Re: Prototype.jExtension
Hi Jacopo,
On Nov 12, 4:29 pm, jacoz jacopo.nu...@gmail.com wrote:
Hi Eric,
thanks for your suggests!
Well, now I answer all of your questions ;)
- I named Element.ajaxRequest() in that way because by default it
updates the element, but you can change the onSuccess function!
OK, but if you don't change the element in the onSuccess, there is no
point using this method instead of Ajax.Request.
- I've written String#len and String#getType because some newbies may
not knows that attributes ;)
Well, you must not forget that every single byte you add to the
library will be loaded by every single page using the library.
Peoples are already complaining because prototype is big, so if we
start to add useless things, it will be worst.
Moreover, newbies should better learn about length and the DOM
attributes instead of some exotic name not portable (and slower)
methods
- I've re-written Array#compact: now the control is not recursive
It wasn't recursive, it was slow :o)
But still, return value != null is the same than return value (at
least when passed to Enumerable.select) and it is exactly what
Prototype.K function does.
(thanks)
Here is the code:http://tr.im/EBEPthe Array#comapct starts at at
line 128
Which methods do you suggest me to propose??
Well it is up to you, but Element.ajaxUpdate, Object.isBoolean or your
change to Array.compact sounds like useful features to me.
Eric
Thanks,
Jacopo.
On Nov 12, 11:15 am, Eric lefauv...@gmail.com wrote:
Hi,
This has some nice ideas like Element.ajaxRequest() (which I would
have called Element.ajaxUpdate() since it is what it does :o) ), but
also some features I fail to see any utility to.
I.E., what's the point to use 'string'.len() instead of
'string'.length?
Same thing for $('someElement').getType() instead of $
('someElement').nodeName
Also, try to limit the impact on performances by avoiding tests in
loops when you can do them outside of the loop.
I.E, in your Array.compact version, you may replace :
compact: function(strict) {
return this.select(function(value) {
return strict === true ? value != null value.strip() != '' :
value != null;
});}
...by something like:
compact: function(strict) {
return this.select(strict === true ? function(value) { return
value != null value.strip() != '' } : Prototype.K);}
The procedure to submit contributions is described
here:http://www.prototypejs.org/contribute
You may propose some of yours (I'd recommend proposing only the more
interesting methods) once you've validated that they don't break the
test cases.
HTH,
Eric
On Nov 10, 10:07 am, Jacopo Andrea Nuzzi jacopo.nu...@gmail.com
wrote:
Hi Tobie,
thanks for you suggest: here it is:http://tr.im/EBEP
Jacopo
On Mon, Nov 9, 2009 at 9:35 PM, Tobie Langel tobie.lan...@gmail.com
wrote:
Hi jacoz,
Seems like your Array#add would benefit from using Array#splice.
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Object...
Best,
Tobie
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[Proto-Scripty] Re: Prototype.jExtension
Hi,
This has some nice ideas like Element.ajaxRequest() (which I would
have called Element.ajaxUpdate() since it is what it does :o) ), but
also some features I fail to see any utility to.
I.E., what's the point to use 'string'.len() instead of
'string'.length?
Same thing for $('someElement').getType() instead of $
('someElement').nodeName
Also, try to limit the impact on performances by avoiding tests in
loops when you can do them outside of the loop.
I.E, in your Array.compact version, you may replace :
compact: function(strict) {
return this.select(function(value) {
return strict === true ? value != null value.strip() != '' :
value != null;
});}
...by something like:
compact: function(strict) {
return this.select(strict === true ? function(value) { return
value != null value.strip() != '' } : Prototype.K);}
The procedure to submit contributions is described here:
http://www.prototypejs.org/contribute
You may propose some of yours (I'd recommend proposing only the more
interesting methods) once you've validated that they don't break the
test cases.
HTH,
Eric
On Nov 10, 10:07 am, Jacopo Andrea Nuzzi jacopo.nu...@gmail.com
wrote:
Hi Tobie,
thanks for you suggest: here it is:http://tr.im/EBEP
Jacopo
On Mon, Nov 9, 2009 at 9:35 PM, Tobie Langel tobie.lan...@gmail.com wrote:
Hi jacoz,
Seems like your Array#add would benefit from using Array#splice.
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Object...
Best,
Tobie
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[Proto-Scripty] Re: Effect.move speed issue + tooltip suggestions?
Hi Peder,
You can adjust indirectly the speed of the effect with the duration
parameter, which is the effect duration (from start to end).
In your case, you may change:
new Effect.Move(caroImgs[imgIdx], {x: newLeft, y:0, mode:
'absolute'});
by:
new Effect.Move(caroImgs[imgIdx], {x: newLeft, y:0, mode: 'absolute',
duration:0.2});
For the tooltip script, I have no idea, but you may have a look at
http://scripteka.com/
Eric
On Oct 25, 5:17 pm, Peder Johnsen supp...@johnsendesign.no wrote:
Hi, is there anyway to speed up the move effect?
I am currently using it forwww.pixelgeddon.com(press the joystick
icon).
And the way it is now its moving a bit to slow..
Also I wonder if anyone of you know about any good tooltip scripts
that works with Prototype script.aculo.us.
It has to let me display a sepereate div with html text for each image
in that scroller that I use the move effect for :).
Best regards,
Peder Johnsen.
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[Proto-Scripty] Re: A question about submitting multiple parameters using Ajax.Updater
$posted=str_replace(\\,\,$__POST['varaible_2'];
It is a little off-topic here, but the back-slashes are added or not
depending of PHP's configuration.
Here is the bullet-proof way to manage parameters in PHP:
$posted = $__POST['varaible_2'];
if (get_magic_quotes_gpc())
{
$posted = stripslashes($posted);
}
HTH,
Eric
On Oct 17, 8:12 pm, Alex McAuley webmas...@thecarmarketplace.com
wrote:
it sends a json object to the server which you remove the slashes and
decode -
example in php
$posted=str_replace(\\,\,$__POST['varaible_2'];
$json=json_decode($posted);
// $json is now a multi dimensional array you can access
Alex Mcauleyhttp://www.thevacancymarket.com
- Original Message -
From: C K Kashyap ckkash...@gmail.com
To: prototype-scriptaculous@googlegroups.com
Sent: Saturday, October 17, 2009 6:17 PM
Subject: [Proto-Scripty] Re: A question about submitting multiple parameters
using Ajax.Updater
for example...
var data={};
for(i=0; i=10;++i) {
data[i]=i;
}
var params=Object.toJSON(data);
var request=new Ajax.Request(...
parameters : {
variable_1 : 'Hi i am variable one',
variable_2 : params // The json object
}
...
This did not quite work ... it looks like Object.toJSON returns a
string and on the server side what I get is
variable_2 = {\data ...
Regards,
Kashyap
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[Proto-Scripty] Re: Coding disabled on a link
Hi,
Those solutions sound a little overkill. Something really simple
should do it, like this:
function stopEvent(e)
{
e.stop();
}
function disableLink(link)
{
Event.observe(link,click,stopEvent);
Element.addClassName(link,'disabled');
}
function enableLink(link)
{
Event.stopObserving(link,click,stopEvent);
Element.removeClassName(link,'disabled');
}
function disableAllLinks()
{
$$('a').each(disableLink);
}
function enableAllLinks()
{
$$('a').each(enableLink);
}
- stopEvent() function is used by others (don't call it directly)
- if you want to disable a link with an id, you may use disableLink($
('idOfTheLink'))
- if you want to disable all links of the page, use disableAllLinks()
- addClassName and removeClassName calls are not necessary to disable/
enable the link, but as a user I really hate it when some UI component
doesn't work as it should. This allows you to provide some visual
feedback to your users.
- This is a minimalist example. If you feel like it, try to use
Element.addMethods and Function.methodize to add enable and disable
methods to links DOM elements (don't forget to extend the element at
the beginning of your method, and to return it at the end to allows
chain calls :o)
You have a fully working example here: http://jsbin.com/itike3
Eric
NB: I've lost 20 minutes (sic) figuring why my disableAllLinks()
methods didn't work as expected before finding out that $$() DOESN'T
WORK on jsbin in edit mode (it works on save to public urls)... So
think about it if it happens to you :o) ($$() seems to be replaced by $
() for some reason...)
On Sep 16, 2:12 pm, david david.brill...@gmail.com wrote:
Hi Arnaud,
your pasted code does not work on FF3.5.3.
So I modify it this way, it should work on all browser, only test with
FF3.5 IE6 :((
Here is your version modified:
html
head
script src=prototype.js type=text/javascript/script
/head
body
script type=text/javascript
var a_create = new Element('a', {
id : 'btn_create',
href : 'javascript:linkOnClick();'}).update
('[ Create ]');
var l_create = new Element('label',
{id:'btn_create'}).update('[ Create ]');
function linkOnClick() {
$('btn_create').replace(l_create);
alert(disable);
}
function activateLink() {
$('btn_create').update(a_create);
alert(activate);
}
/script
label id=btn_create[ Create ]/label
input type=button onclick=activateLink(); value=Activate
link /
/body
/html
But multiple click on the button break the sentence. So it did not
work well !!
But as you request a simple version, why not doing something like
that:
html
head
script src=prototype.js type=text/javascript/script
/head
body
script type=text/javascript
function activateLink() {
$('btn_create').hide();
$('btn_create_a').show();
alert(enable);
}
function linkOnClick() {
$('btn_create').show();
$('btn_create_a').hide();
alert(disable);
}
/script
label id=btn_create[ Create ]/label
label id=btn_create_a style=display:nonea
href=javascript:linkOnClick();[ Create ]/a/label
input type=button onclick=activateLink(); value=Activate
link /
/body
/html
It's simpler and work in all case even on multiple click on the
button.
But depending on what you want to do, there could have a lot of
possibilities to achieve to this.
btw, you use DOM0 event to trap the mouse click, have a look
at:http://prototypejs.org/api/event
to know how to use event with prototype. So you could use Event.stop
(Alex exemple), or the preventDefault property.
And you could define multiples events on the same element id using
this way.
--
david
On 15 sep, 17:02, Arnaud Feltz arnaud.fe...@gmail.com wrote:
2009/9/14 Arnaud F. arnaud.fe...@gmail.com
Hello,
i need to disable a link in some case.
What I do actually is something like this :
html
head
script src=javascript/prototype.js type=text/javascript/
script
/head
body
script type=text/javascript
var a_create = new Element('a', {
id : 'btn_create',
href : 'javascript:linkOnClick();',
innerText : '[ Create ]'});
var l_create = new Element('label',{id:'btn_create',
innerText:'[ Create ]'});
function linkOnClick() {
$('btn_create').replace(l_create);
alert(disabled);
}
function
[Proto-Scripty] Re: Tying an Element and a custom class together
Matt,
I like your way of doing it, but my concern is that the documented
toElement() method seems to be only half implemented.
A minor change to the $() function could make it work completely (see
it here: http://pastie.org/660553 ).
What do you guys think about this change?
Eric
On Oct 17, 12:11 am, Matt Foster mattfoste...@gmail.com wrote:
Quick and dirty, im sure there are errors but conceptually this would
be my approach...
var ElementProxy = Class.create({
initialize : function(ele){
this.element = $(ele);
this.nodeType = this.element.nodeType;
this.tagName = this.element.tagName;
this.delegateMethods();
},
delegateMethods : function(){
var methods = Element.Methods;
for(var method in methods){
var __method = methods[method];
if (Object.isFunction(__method)
!(__method in this))
this.assignMethod(method,
__method);
}
},
assignMethod : function(method, __method){
this[method] = function(){ return
__method.apply(this.element,
[this.element].concat($A(arguments))); };
}
});
--
http://positionabsolute.net
On Oct 16, 3:01 pm, Matt Foster mattfoste...@gmail.com wrote:
The has a relationship is the only way to go for sure.
You could create an ElementProxy class that inherits all the Element
methods but just keeps a reference to the actual DOM reference
internally. All of the Element.Methods are parameterized so I'm sure
there'd be an easy way to delegate the reference. As long as the
ElementProxy class implements all the regular methods then core
prototype processes wouldn't know the difference between the two.
--
http://positionabsolute.net
On Oct 16, 12:02 pm, Eric lefauv...@gmail.com wrote:
Hi,
While I agree with T.J. arguments, there are cases when it is nice to
have this behavior (DOM element and Plain object in the same
object). On of those case is, for example when you're creating a new
control class.
The way I do it is:
- building the DOM element in the class's constructor (and keeping it
in an attribute) (*)
- implement the toElement() method in the class (to return this DOM
element) (*)
The second step allows you to provide your class instance to any
prototype method instead of a DOM element.
A small example:http://jsbin.com/omaza
Ops: Previous sentence was wrong... After trying to write the
example, and checking in the source, it seems that you can only use
this kind of object as a DOM element in a handfull of prototype's
methods (insert, update and replace)...
Is it any reason why this behavior is not implemented in $() (this
would actually allow to use a custom class everywhere where a DOM
element is needed, and just add one line of code).
Eric
(*) This was the simplest way to explain the process, but you may
prefer dynamically create the DOM element on the first call of
toElement() for better efficiency.
On Sep 10, 10:56 am, T.J. Crowder t...@crowdersoftware.com wrote:
Hi Andrea,
FWIW, I'd say the best practice is: Don't do that, it conflates the
model with the view *and* the controller. :-) (MVC is not by any
means the only game in town, but the terminology is useful for
questions like this.) If you ever want to present the business object
in two different ways in two different panels (in a list, for
instance, and in a details pane that shows the details of the
highlighted object in the list), you can't, or rather the code gets
ugly fast.
Instead, I'd suggest keeping the business object separate from the
element and using a has a rather than an is a relationship. You
can do that by storing the business object ID on the element in some
way (data-key is the attribute I usually use for this, and fits with
the proposed HTML5 data attributes standard), either directly or via a
small controller.
The business object should never update the element directly, and so
it doesn't need to know about it. Instead, it should raise events
that controllers can respond to by updating the elements they
control. When I say fire event, I'm not necessarily talking
browserspeak (I wouldn't use browser events for this), just a minimal
implementation of the Observer pattern (as a mixin or similar you can
use for lots of different objects).
FWIW, and apologies if I went OT, but I hope I didn't,
--
T.J. Crowder
tj / crowder
[Proto-Scripty] Re: Tying an Element and a custom class together
Hi,
While I agree with T.J. arguments, there are cases when it is nice to
have this behavior (DOM element and Plain object in the same
object). On of those case is, for example when you're creating a new
control class.
The way I do it is:
- building the DOM element in the class's constructor (and keeping it
in an attribute) (*)
- implement the toElement() method in the class (to return this DOM
element) (*)
The second step allows you to provide your class instance to any
prototype method instead of a DOM element.
A small example: http://jsbin.com/omaza
Ops: Previous sentence was wrong... After trying to write the
example, and checking in the source, it seems that you can only use
this kind of object as a DOM element in a handfull of prototype's
methods (insert, update and replace)...
Is it any reason why this behavior is not implemented in $() (this
would actually allow to use a custom class everywhere where a DOM
element is needed, and just add one line of code).
Eric
(*) This was the simplest way to explain the process, but you may
prefer dynamically create the DOM element on the first call of
toElement() for better efficiency.
On Sep 10, 10:56 am, T.J. Crowder t...@crowdersoftware.com wrote:
Hi Andrea,
FWIW, I'd say the best practice is: Don't do that, it conflates the
model with the view *and* the controller. :-) (MVC is not by any
means the only game in town, but the terminology is useful for
questions like this.) If you ever want to present the business object
in two different ways in two different panels (in a list, for
instance, and in a details pane that shows the details of the
highlighted object in the list), you can't, or rather the code gets
ugly fast.
Instead, I'd suggest keeping the business object separate from the
element and using a has a rather than an is a relationship. You
can do that by storing the business object ID on the element in some
way (data-key is the attribute I usually use for this, and fits with
the proposed HTML5 data attributes standard), either directly or via a
small controller.
The business object should never update the element directly, and so
it doesn't need to know about it. Instead, it should raise events
that controllers can respond to by updating the elements they
control. When I say fire event, I'm not necessarily talking
browserspeak (I wouldn't use browser events for this), just a minimal
implementation of the Observer pattern (as a mixin or similar you can
use for lots of different objects).
FWIW, and apologies if I went OT, but I hope I didn't,
--
T.J. Crowder
tj / crowder software / comwww.crowdersoftware.com
On Sep 9, 3:02 pm, Andrea Campi andrea.ca...@gmail.com wrote:
Hi,
in my application I need JS objects to represent some business
objects, which are represented on the page by an Element.
I would like to be able to tie the two together in such a way that I
can use them interchangeably.
This sounds like it should be a common pattern, so I was wondering
what the best practices are.
Example:
var Foo = Class.create({
initialize: function(parent) {
var element = Object.extend(new Element(div, { 'class': 'foo',
'id': 'myFoo' }), this);
parent.insert(element);
},
bar: function() {
}
// more methods
};
Thanks to Object.extend I can easily call: $('myFoo').bar()
But I cannot do the opposite, for instance:
var foo = new Foo();
foo.childElements();
Note that it would just work if I could return 'element' (which now
behaves like Foo).
However, I've readhttp://dev.rubyonrails.org/ticket/11481andit has
reasonable objections to letting the constructor return a value.
So, what gives? Any suggestion?
TIA,
Andrea
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[Proto-Scripty] Re: prototype mobile support: best practices?
Hi, I once made an imode version of a website. First thing, instead of having if(Mobile...) everywhere, you may consider using a dedicated CSS file (easy to do on server side). This will do 99% of the trick (changing menus layouts, using more suitable font/colors, hiding advertisings, using lightweight/smaller images, etc...). You may also add some class to the body and select objects you want handlers to with that... OK, this was not very clear :o) A small example : body class=HasPointer .../... div id=menuBar .../... /div .../... /body Then, instead of having: $(menubar).observe(over, ...); you can use: $$(.HasPointer #menuBar).invoke(observe,click,...); So, if you're serving a pointerless terminal, you just don't add the HasPointer class to body element, and the $$() statement will do nothing. Just a couple of other considerations to think about: - Phones/PDA's CPUs are often slower than a desktop PC, so be careful if you do extensive client processing (like using the DOM to create 1000 rows table). When possible, try to test the site on the actual device (emulators don't usually run at the real speed) - In some country, peoples pay their mobile internet access according to the volume of dl data, and the dl speed can be very slow on some poor covered areas. So, it would be nicer to do your if(mobile) tests server side, to avoid having the mobile browser downloading both its code and the desktop version code it will not use. - If you do the point above, it is very important that you check your generated file WILL BE CACHED (by default, most dynamic pages are NOT cached). That's all I can remember about this. HTH Eric On Aug 14, 2:09 pm, Cyrus arianglan...@googlemail.com wrote: I can't believe no one has tested his projects with a mobile / touch screen device ... On 29 Jul., 11:11, Cyrus arianglan...@googlemail.com wrote: Hi, while testing my prototype scripts on Mobile Safari I have seen, that they might need extra attention in my code ;) E.g. I have a menu bar that is only visible when I move the mouse. There is no mouse (movement) on a touch screen device, so I need to do some adjustments. Are there any best practices / recommendations how to write this kind of code? I guess a simple if (MobileBrowser) is enough, but is there anything already available within prototype framework? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] Ajax.InPlaceCollectionEditor issues (and some solutions)
Hi,
I tried to use for the first time Ajax.InPlaceCollectionEditor, and
got few issues that I would like to share with you, just in case it
can save you some time.
* First, I am using scriptaculous 1.8.2. I found out that in this
version, the InPlaceCollectionEditor was broken (raising a JS error in
IE because the editor's element was not extended).
I found a fix here :
https://prototype.lighthouseapp.com/projects/8887/tickets/163-ajaxinplacecollectioneditor-seems-to-be-broken-in-182
(last post of the page).
However, I am not sure the first added line (Element.extend(fld);) is
needed since the InPlaceEditor was not raising any error on IE (but it
doesn't seems to hurt).
* Then, I found out that the submitOnBlur option was not supported,
and that ESC and Return keys didn't act as expected (i.e cancel or
confirm the edition). Here is my fix for that (including the fix from
previous link):
555a556
Element.extend(fld);
765a767,770
if (this.options.submitOnBlur)
list.onblur = this._boundSubmitHandler;
Element.extend(list);
list.observe('keydown',this.checkForEscapeOrReturn.bind(this));
also on http://pastie.org/643890. Since it is not really readable, I
pasted the full createEditField method here : http://pastie.org/643897
(the 4 lines I've modified begins by /*EA*/).
However, if it works great on FF2-3 and IE7-8, for some reasons IE6 is
sending a blur event to the select control when it inserts it in DOM,
so the list appears and disappears in an eye blink...
I think I can workaround the issue by using IE's conditional comments,
but if somebody can think to a way to make it work on IE6, it would be
great.
* Last issue, which is not technically a bug but a very unexpected
behavior:
I had some options in my collection's parameter which were two
characters long. Since the InPlaceCollectionEditor considered them as
a two element's array, he thought I was trying to provide an
alternative value for my list choices.
For example, if you use ['AB','CD'], your list will list 'B' and
'D' (and will post respectively 'A' and 'C' if you select them).
Simple workaround is to explicitly specify the value of the option,
like this: [['AB','AB'],['CD','CD']]
Thanks for any hint about the IE6 issue!
Eric
NB: Sorry if I don't reply straight away to your replies, but I am
trying to read all posts from this list in order, and I am a little
behind schedule right now (just read 1st July's ones :o) )
NB2: I first made a search on this group for
InPlaceCollectionEditor , but it returned only 2 posts (from 1st and
2nd october) while a google search find some more... so don't trust
the Search this group button...
use a google search on site://groups.google.com/group/prototype-
scriptaculous inplacecollectioneditor if the Search this group
didn't return what you were looking for :o)
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[Proto-Scripty] Re: Ajax.InPlaceEditor in tables in IE6
On Aug 18, 7:11 pm, ColinFine colin.f...@pace.com wrote: What's wrong with putting divs in tables (inside the table cells, of course)? Well, it is not that bad, but usually it falls in one of two cases: - The table is an actual table, and there is no (or very few) need to use divs in its cells. - The table is used as a page layout, and mixing tables and divs for page layout is not very elegant. There is also a lots of side effects which can occur when you mix different kind of overflow styles (you can end with divs bigger than their containing cells...). But I agree with you that when you know what you're doing, it is not that bad :o) Don't anybody has a clue about my InPlaceEditor issue? I would be very curious to know (at least) why using InPlace editing on a TD element make it vanish... Eric --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] Ajax.InPlaceEditor in tables in IE6
Hi,
I have a table with some editable cells.
The initial content of cells may be empty. I'd like the InPlaceEditor
(IPE) to start editing when user clicks anywhere in the cell (which
can be larger than the actual text content).
I managed to achieve this in IE8 and FF2-3.5, but once again, IE6 adds
some spice in my life...
I made a minimal case on pastie: http://pastie.org/584025 with the
three approaches I tried so far.
Here are the interesting parts:
style span.IPE {display: block;} /style
script type='text/javascript' language='javascript'
document.observe(dom:loaded,function()
{
$('t').select('.IPE').each( function(div)
{
new Ajax.InPlaceEditor(div,'something.php', {});
});
});
/script
table id=t
thead
trthX title/ththY title/ththZ title/th/tr
/thead
tbody
tr
tddiv class=IPEA/div/td
tdspan class=IPEB/div/td
td class=IPEC/td
/tr
/tbody
/table
So, what is happening:
- First case, using a div container (*) : Works as expected on IE8 and
FF but on IE6 you have to click on the actual text to activate InPlace
editing.
- Second case, using a span with display: block: Work as expected on
FF, but IE8 for some reason uses now a textarea instead of an input
for edition (so does IE6 if you click on the actual text, but you
still have to click on actual text)
- Third case, using the TD as IPE's target: This is an interesting
one...
All browsers (including IE6!) react when the cell is clicked (no need
to click on the actual text), however the reaction is Make the TD and
its content disappear!
Another interesting thing in IE6 is that if the IPE reacts only when
mouse is on the actual text, the highlight effect is performed on the
actual div/span/td, which fills the whole table's cell...
I cannot think to something else to try...
If someone has an idea about how to make this work, I'd be glad to
read it!
Eric
Note: I use XHTML 1.0 Transitional doctype (see pastie link for the
complete source)
(*) I am aware it is bad to put divs in tables, but so far that's the
best working option :o(
Better alternatives are welcome ;o)
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[Proto-Scripty] Re: Ajax.InPlaceEditor in tables in IE6
Ooops, I forgot to tell that I am using Prototype 1.6.0.3 and Scripty
1.8.2 :o)
Eric
On Aug 14, 4:35 pm, Eric lefauv...@gmail.com wrote:
Hi,
I have a table with some editable cells.
The initial content of cells may be empty. I'd like the InPlaceEditor
(IPE) to start editing when user clicks anywhere in the cell (which
can be larger than the actual text content).
I managed to achieve this in IE8 and FF2-3.5, but once again, IE6 adds
some spice in my life...
I made a minimal case on pastie:http://pastie.org/584025with the
three approaches I tried so far.
Here are the interesting parts:
style span.IPE {display: block;} /style
script type='text/javascript' language='javascript'
document.observe(dom:loaded,function()
{
$('t').select('.IPE').each( function(div)
{
new Ajax.InPlaceEditor(div,'something.php', {});
});
});
/script
table id=t
thead
trthX title/ththY title/ththZ title/th/tr
/thead
tbody
tr
tddiv class=IPEA/div/td
tdspan class=IPEB/div/td
td class=IPEC/td
/tr
/tbody
/table
So, what is happening:
- First case, using a div container (*) : Works as expected on IE8 and
FF but on IE6 you have to click on the actual text to activate InPlace
editing.
- Second case, using a span with display: block: Work as expected on
FF, but IE8 for some reason uses now a textarea instead of an input
for edition (so does IE6 if you click on the actual text, but you
still have to click on actual text)
- Third case, using the TD as IPE's target: This is an interesting
one...
All browsers (including IE6!) react when the cell is clicked (no need
to click on the actual text), however the reaction is Make the TD and
its content disappear!
Another interesting thing in IE6 is that if the IPE reacts only when
mouse is on the actual text, the highlight effect is performed on the
actual div/span/td, which fills the whole table's cell...
I cannot think to something else to try...
If someone has an idea about how to make this work, I'd be glad to
read it!
Eric
Note: I use XHTML 1.0 Transitional doctype (see pastie link for the
complete source)
(*) I am aware it is bad to put divs in tables, but so far that's the
best working option :o(
Better alternatives are welcome ;o)
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[Proto-Scripty] Re: Casting a json object into an instance of a class
Thanks for your reply T.J.!
I did used Class instead of class. This was a typo when I posted :o)
You're right, it should have work the way I did it... and it actually
did work this way...
...except that due to a mistake in my events handling, my new thing
value was overridden by some obsolete part of code just after being
converted into a class instance :o(
And since it was overridden by the raw JSON object value, I stupidly
assumed that the casting didn't work.
At least, I now know what is the state of the art way of getting a
class instance through Ajax ;o)
Thanks again!
Eric
On Aug 12, 10:49 am, T.J. Crowder t...@crowdersoftware.com wrote:
Hi,
That should work. I notice that you have class.Create rather than
Class.create; I assume that's just an error in the note and that the
actual code uses Class.create? Because if not, that's your problem.
if(myInstance.isB())...
= isB is undefined
That indicates there's a different problem. isB should be defined
regardless, you defined it in your class definition. If the
Object.extend thing weren't working, it should *return* undefined, but
not *be* undefined.
FWIW, this works:
* * * * (also athttp://pastie.org/581050)
// Defining
var Thing = Class.create({
initialize: function(src)
{
if (src) {
Object.extend(this, src);
}
},
isB: function()
{
return this.b;
}
});
// Using:
var t;
t = new Thing({b: true});
alert(t.isB() ? + t.isB());
* * * *
HTH,
--
T.J. Crowder
tj / crowder software / com
Independent Software Engineer, consulting services available
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[Proto-Scripty] Casting a json object into an instance of a class
Hi,
I make some Ajax calls to fetch objects from my server, and I would
like those object to be instance of some class.
I just cannot find a way to achieve this...
Here is what I've tried so far :
var MyClass = class.Create({
initialize: function(src) {
if(src) Object.extend(this,src);
},
isB: function() { return this.b;}
});
var myJsonObject = {a:0, b:true}; // xrh.responseJSON
myInstance = new MyClass(myJsonObject);
if(myInstance.isB())...
= isB is undefined
I also tried the opposite approach with:
myInstance = Object.extend(myJsonObject,MyClass.prototype)
if(myInstance.isB())...
= isB is undefined
What is the correct way of achieving this ?
Eric
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[Proto-Scripty] Ajax.Responders issues
Hi,
I am trying to setup some basic Ajax framework, and I was thinking to
use Ajax.Responders to intercept some events, but I meet the following
issues :
- First, it seems that the responders ignore an onSuccess() callback
passed through Ajax.Responders.register().
This may be a documentation error since the Prototype 1.6 - The
Complete API Reference says that All callbacks in the life-cycle are
available on the Ajax.Responders.register() description (p32) but the
list of Responder callbacks (p25) only lists 7 of them (not including
onSuccess).
My second concern is that Responder's callback seems to be always
called after the local one (the one defined in the ajax call).
I wanted to implement some kind of server throwable exceptions,
which basically would allow me to return a JSON object with some
attributes like {Error:true, Code:ExpiredSession...} which would
be handled by the default Responder, freeing me from having to test
all unexpected things in every Ajax's callback.
The current behavior doesn't allow to do that easily.
I do think to a solution but don't you think that for the sake of
clarity those Responder callback should be renamed from onXXX to
onAfterXXX since they are called after the actual onXXX callback ?
(and eventually, some onBeforeXXX callback could be added (as well
as onSuccess and onFailure).
I am not very happy with the workaround I found, so feel free to give
me some hints to make it better.
Here it is:
function ResponderOnSuccess(localOnSuccess,request,jsonObj)
{
if(!jsonObj) jsonObj = { Error: true, Code:Unknown};
if(jsonObj.Error)
{
// process error;
}
else
{
localOnSuccess(request,jsonObj);
}
}
and for using it:
new Ajax.Request('myRequest.php',
{
onSuccess: myCB.wrap(ResponderOnSuccess)
});
or if you prefer:
new Ajax.Request('myRequest.php',
{
onSuccess: (function(xrh,json)
{
// Process data here
}).wrap(ResponderOnSuccess)
});
Last minute idea I just had while writing: Do you think I could use
the onCreate's responder to change the onSuccess by the wrapped
version?
Thanks for any hint,
Eric
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[Proto-Scripty] I felt rather puzzled at a few code in Class.create function. Anyone else who can help me. TIA
if (parent) {
var subclass = function() { };
subclass.prototype = parent.prototype;
klass.prototype = new subclass;
parent.subclasses.push(klass);
}
How to understand these codes ?
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[Proto-Scripty] Re: I felt rather puzzled at a few code in Class.create function. Anyone else who can help me. TIA
On 5月19日, 下午6时52分, Eric smcdl6...@gmail.com wrote:
if (parent) {
var subclass = function() { };
subclass.prototype = parent.prototype;
klass.prototype = new subclass;
parent.subclasses.push(klass);
}
How to understand these codes ?
If I was the author, I will new parent directly and assign it to
klass.prototype.
So why use usbclass as broker ?
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[Proto-Scripty] Re: I felt rather puzzled at a few code in Class.create function. Anyone else who can help me. TIA
I had understood it completely. I'm Chinese, sorry for my english. Best Thank you. On 5月19日, 下午7时28分, Tobie Langel tobie.lan...@gmail.com wrote: Hi Eric, If I was the author, I will new parent directly and assign it to klass.prototype. That would imply calling the initialize method of the parent class which is something you'd want avoid. So why use usbclass as broker ? subclass is an empty function (parent isn't: it calls parent.prototype.initialize), so instantiating it to define klass.prototype doesn't have any potentially unwanted side effects. Hope this clarifies your question. Best, Tobie --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] Re: validation for alphanumeric field/sequence
Hi, On Feb 4, 10:50 pm, Michael mich...@vermontsnows.com wrote: Hi - I want to use this validation for an alphanumeric field. I apologize for beating a dead horse, but since the list of possible choices is closed, why don't you just use a SELECT element? :o) Anyways, it was very interesting to read about all possible methods, even if I am now (even more) confused about Javascript and hashes :o/ (I thought that native JS objects were great hashes, but I am obviously wrong there...). Eric --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] Re: new Elemente in ie6 didn't work
Hi T.J.
On Jan 19, 12:31 pm, T.J. Crowder t...@crowdersoftware.com wrote:
On my machine, the DOM version takes at least 10 times longer than the
HTML version.
Did you use prototype DOM (x=new Element('P',{...});...) or plain
old vanilla DOM (x=document.createElement('P');...) ?
I was thinking to revert to vanilla DOM for performances issues but I
may revert to build some HTML string if it is that fast :o)
(Isn't it what scritaculous's Builder is doing internally?)
Eric
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[Proto-Scripty] Re: Applying scriptaculous effects on CSS styles
Hi bminihan,
On Feb 9, 3:59 pm, bminihan bjmini...@gmail.com wrote:
Why not just switch all of your elements to a different class, with
the new effect?
.FOO { opacity: 1.0 }
.BAR { opacity: .9 }
$$(.foo).each( function (item) { item.className = BAR; })
Well, changing 300 times a class would take about the same time that
changing 300 times the opacity (even more since you have to remove the
previous one).
Moreover, I am looking for smooth transition. I don't think there is
an effect that allow iterating a collection of classNames and setting
it to the objects one after another (but this could give some
interesting effects :o) ).
The interest here is to change a single variable and impact hundreds
(thousands?) of DOM objects in an eye blink.
Eric
NB: BTW, since classNames is a collection, you may not affect it this
way but instead use Element.addClassName() and Element.removeClassName
().
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[Proto-Scripty] Using setStyle to change background-image
Hi,
I have a div and I'd like to set its background image style using the
object format.
I tried without success the following things:
$('mydiv').setStyle({'backgroundImage':'wait.gif'});
$('mydiv').setStyle({'backgroundImage':'url(wait.gif)'});
$('mydiv').setStyle({'background-image':'wait.gif'});
$('mydiv').setStyle({'background-image':'url(wait.gif)'});
It doesn't rise any error but doesn't set the background either.
The only working way I found until now is using the string format
parameter.
This one works:
$('mydiv').setStyle('background-image:url(wait.gif);'});
I really would like to use the object form, which is working for other
style properties on the very same object.
(ex: $('mydiv').setStyle({'left':xpos+'px','top':ypos+'px'}); )
Am I missing something here?
Thanks for any hint.
Eric
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[Proto-Scripty] Re: Using setStyle to change background-image
2009/2/3 Richard Quadling rquadl...@googlemail.com: The attribute name should not be in quotes ... Thanks for the reply Richard, But I also tried without the quotes, which are optional (except for 'background-image' since in contains a dash). Documentation says Element.setStyle should accept both casing (dom- like (with-dashes) and javascript like (withCamelCase) but it looks like none of them work for this property... I would really like to use object format in order to set many parameters in one call without doing heavy string processing (I may have to do it on up to 2000+ DOM objects when page is loaded...). Any idea about what I am missing? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] I think i found a bug in IE6(not yet test in IE7), it will throw a error when I create a instance object in sub window use the Class defined by its opener.
Hi guys, The following is my environment Windows2000 English Professional Prototype's version is 1.6.0.3, IE6.0.2800.1106 test fail Firefox2.0.0.20 test ok The following is my code snippet in window named 'A' : SomeClass = Class.create(); in window named 'B' : SomeClass = opener.SomeClass; new SomeClass(...); The following is result in IE6 throw a error Invalid procedure call or argument in Firefox2 just ok. Who can tell me why ? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] Re: change link behavior by classname
On Dec 27 2008, 3:38 am, kangax kan...@gmail.com wrote:
document.observe('click', function(e, el) {
if (el = e.findElement('.myClassName')) {
e.stop();
alert(e.element().href);
}
})
Wouldn't it be:
if ((el = e.findElement('.myClassName'))!=document) {
?
Prototype 1.6 Complete API Reference claims that Event.findElement
returns the document if no matching element is found :o)
Subsidiary question:
Would something like this do the same, and what are the disadvantages
comparing to your solution:
$$('a.myClassName').invoke('observe','click',function(e) {
e.stop();
alert(e.element().href);
}
Since we are in this area, the API Reference guide is unclear about
the correct prototype of event handler functions, and I cannot found
what is supposed to be its second argument (I am betting on
event's .element() object but I could use a confirmation :o) ).
Thanks in advance,
Eric
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[Proto-Scripty] New use case for Sortable tree?
I am using Sortable with tree enabled on a list like below: Group 1 Item 1 Item 2 Item 3 Group 2 Item 4 Here, both Groups and Items can be dragged. Additionally, Items can be dragged into Groups (each Group contain an UL). However, I want to prevent Groups from being dragged into Groups, but there doesn't seem to be an option in Sortable to achieve that. The solution would be something like being able to specify accept class names for the Sortable tree's nested ULs, so only Items would be allowed inside Groups. But that doesn't seem to be possible. Is there something that I am missing, or would doing this require me to extend Sortable's implementation myself? Thanks, Eric By the way, in the course of implementing my drag-and-drop tree, I found the tree-dump output of Sortable tree to be clumsy to use on the server side, because it would require me to recreate the tree in the database each time. Instead, I added a Draggables observer for the onEnd event to capture each sorting action, and send to the server only the change that was made: what element was dragged, which container it was dragged to and at what position. This required a bit of additional coding to determine the location and position of dragged element, but made the server side code simpler and faster. I am just curious, have other people done the same? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
[Proto-Scripty] Re: Newbie Question
What you need is to have the server side script, in this case
DeleteGroupMember.php, return a HTML fragment containing the new
list. Ajax.Updater will then automatically insert that fragment into
the element lmnt.
Prototype has very good documentation on this site:
http://www.prototypejs.org/api
Eric
On Jan 6, 8:52 am, Drakhul drak...@gmail.com wrote:
I am very new to Prototype and JavaScript, so this is prolly a no-
brainer for most of you.
Let me see if I can make sense...
On my page, there is a DIV where my ajax calls load pages. The main
page loads with a specific form loaded in the div. The user clicks a
link that calls another page (Group Manager) to load in the div. One
of the options on that page is to remove a member from this group by
clicking a delete button. when the button is clicked, I am calling
the script that actually deletes the member. I have this function
running and everything works fine, but what I cannot figure out is how
to is to reload the Group Manager page after the delete script
runs. Right now all I get is a blank page in the div. There is a
function to load that page. Here is what I have:
UserRemoveGroupMember = function(WGUID) {
lmnt = UserContent;
new Ajax.Updater( lmnt, 'src/DeleteGroupMember.php',
{
parameters: 'WGUID='+ WGUID,
evalScripts: true,
method: 'post',
onSuccess: function()
{
UserProfileToggleManageGroups();
}
}
);
}
I hope I made sense.. lol
Thanks folks!
-Mike D
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[Proto-Scripty] Re: event.observe document
On Dec 16 2008, 12:23 am, Gabriel Gilini gabr...@usosim.com.br wrote: Since he probably has to watch a group of inputs, observing the document is obviously the better choice. Event propagation isn't a bad thing at all. I think that what Matt has in mind was observing the document and use propagation in order to have key shortcuts working almost everywhere, and observing the inputs where shortcuts are not supposed to be enabled with a handler that stop propagation to the document. Both solutions seems equally elegant to me, but I am not an expert :o) Eric On Mon, Dec 15, 2008 at 2:08 PM, Matt Foster mattfoste...@gmail.com wrote: You could also listen to those events on the input, and stop their propagation so that the document never hears of them. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Prototype script.aculo.us group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~--~~~~--~~--~--~---
