[Proto-Scripty] Re: protosafe download
Hi, (A single thread is sufficient, you don't need to do multiple posts.) The person who was maintaining Protosafe decided to stop doing so and took down the files. For a minified version of Prototype, you have several options, such as jsmin from Crockford[1], Packer 3 from Edwards[2], or many others. With Packer 3 or anything else that (optionally) rewrites parameter names, you'll need to either not use that option or modify the code so that it leaves the special $super parameter[3] alone. [1] http://www.crockford.com/javascript/jsmin.html [2] http://dean.edwards.name/packer/ [3] http://prototypejs.org/api/class/create HTH, -- T.J. Crowder tj / crowder software / com Independent Software Engineer, consulting services available On Jan 21, 2:47 am, river weiguowa...@gmail.com wrote: Where can I download the package? It seemshttp://code.google.com/p/protosafe/ is no longer accessible. I got a 403 error. Any help is great appreciated. I need the files ASAP! 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-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: jQuery or Prototype ?
Hi,
Tools are tools, use the one that does what you need and that you find
comfortable.
One thing I don't like about jQuery is all of the (in effect) function
overloading. I don't have a problem with overloaded functions
provided they do essentially the same thing (in Java, for instance,
it's how you do optional parameters). But for example, the jQuery
function (usually aka $) is just way too overloaded. If you see:
$(x);
...or
jQuery(x);
...in someone's code, you have to look very carefully at 'x' to know
what that's going to do. It might
1. Extend a raw element
or maybe
2. Search for elements matching a CSS selector
or it could
3. Register a function to be called when the DOM is ready
but don't forget that instead it might
4. Create DOM elements from an HTML string.
Yikes. That's asking for maintenance problems IMHO, even if you don't
have junior staff -- and especially if you do.
In a similar vein, I don't like the fact that a number of jQuery's
functions are dual-mode: They do one thing if you pass in a
parameter, something else if you don't. If you write:
x = $('#frog').html('ribbit');
...you're setting the inner content of the 'frog' element to the text
'ribbit'. But if you write:
x = $('#frog').html();
...you're *retrieving* the content of 'frog'. So the html() function
has to check arguments.length every time you call it (except it
doesn't, see note about subtle bugs below) to figure out whether it's
a set or get operation, even though you've ALREADY done that
differentiation in your code. Now, I know branch-on-test is very fast
these days, but I still don't see any excuse for requiring the library
to do that runtime check on every call. Just use different names,
f'chrissake. :-) And there's that maintenance aspect again -- it's
unusual for functions to change meaning in that way. Granted, this
isn't *totally* dissimilar to using a property (where what happens
depends on whether it's on the left- or right-hand side of the
assignment operator), but it's different enough to cause hassles.
Oh! And quick: What does 'x' refer to in the above two statements?
You guessed it, it depends on whether you passed a parameter into html
() or not. If you did, html() returns a jQuery object (for chaining
purposes); if you didn't, it returns a string (the content of the
element). Say what?
These dual-mode functions make some bugs in your code even more subtle
than they need to be. Consider:
function buggyFunction(count) {
var display;
if (count minThreshold) {
display = 'Need more thingies';
} else if (count maxThreshold) {
display = 'Too many thingies!';
}
$('#levelmessage').html(display);
}
The author of the function messed up and forgot to set 'display' to
anything if minThreshold = count = maxThreshold (they probably
wanted ''), and so 'display' is undefined when passed into html() in
that case. Now, does that show the text 'undefined'? No. It doesn't
change the content of the element at all. Why not? Because the html
() call returns the current text inside the levelmessage element
rather than setting its content, because html() *doesn't* check
arguments.length, it checks if its first parameter === undefined. So
even if you pass in a parameter, it does a get rather than a set if
the parameter is undefined.
Now, all of the above could easily be characterized as being akin to
the brace style wars of the 80's -- style issues rather than substance
issues (with some speculation that the style issues could be/become
substantive maintenance issues). I'm not saying any of it necessarily
means you shouldn't use jQuery if the other arguments in favor of it
are compelling for you -- and it does seem to me that there are some
compelling arguments. I'm just saying, you asked the question, and I
have issues with the API. ;-)
FWIW,
--
T.J. Crowder
tj / crowder software / com
Independent Software Engineer, consulting services available
On Jan 20, 11:55 am, Jan Hansen j...@nhl-data.dk wrote:
Hi all,
Still more frequently I get or see the question: Should we use jQuery
or Prototype? There has been discussions about the future of prototype,
is there enough development going on for prototype, an unofficial wiki
has been created (thanks!) etc. etc. But nothing BIG. jQuery has a
huge community, a lot of plugins and to me it looks like all the
trivial stuff is equally easy to do with both libraries. Some argue that
prototype is better when it comes to dealing with things not directly
related to the DOM - but I cant find any hard evidence helping me
decide whether to use prototype or jquery. There are, however lots of
soft arguments that people throw at me to convince me to switch to jQuery:
1) Larger community
2) Better website
3) More plugins
4) Supported by microsoft (they will now distribute an
intellisense-enabled version of jQuery - but not add a single line of
code,
[Proto-Scripty] Re: jQuery or Prototype ?
Thanks!
Yes, tools are tools - and one should use the one that fits the task at
hand best. However, it is difficult to actually know which tool to use
if you dont know the tools well enuogh. I guess this is the reason
developers tend to have a tendency of falling into the habit of once
you've learned how to use a hammer, everything starts looking like a
nail... Ah well...
I'm not looking for arguments _not_ to use jQuery, but the current
situation is that it is getting increasingly harder to convince
co-workers that prototype is a valid choice. jQuery seem to have many
more followers along with a more united community, whereas the
prototype api pages are relatively short in larger examples. There is
the unofficial wiki you set up which tries to help in several areas,
which it does - and no, I haven't found time to contribute myself (yet..
argh...). Plugins/tools/whatever is found on scripteka and finally we
have the scriptaculous website as well. I know that the prototype team
now focuses on more scheduled releases, better documentation and the
community as a general - which is good. I really hope it will help the
ecosystem around prototype evolve. Im just looking for all you clever
guys comments on what the differences between prototype and jQuery are,
and how this could help me persuade others that just because MS decides
to support a tool, doesnt mean that the others should be abandoned.
But I believe that we have to do something now. Sigh... more work, and
still no time...
But thanks a lot for you insightfull answers!
Best regards,
/Jan
On 21-01-2009 10:56, T.J. Crowder wrote:
Hi,
Tools are tools, use the one that does what you need and that you find
comfortable.
One thing I don't like about jQuery is all of the (in effect) function
overloading. I don't have a problem with overloaded functions
provided they do essentially the same thing (in Java, for instance,
it's how you do optional parameters). But for example, the jQuery
function (usually aka $) is just way too overloaded. If you see:
$(x);
...or
jQuery(x);
...in someone's code, you have to look very carefully at 'x' to know
what that's going to do. It might
1. Extend a raw element
or maybe
2. Search for elements matching a CSS selector
or it could
3. Register a function to be called when the DOM is ready
but don't forget that instead it might
4. Create DOM elements from an HTML string.
Yikes. That's asking for maintenance problems IMHO, even if you don't
have junior staff -- and especially if you do.
In a similar vein, I don't like the fact that a number of jQuery's
functions are dual-mode: They do one thing if you pass in a
parameter, something else if you don't. If you write:
x = $('#frog').html('ribbit');
...you're setting the inner content of the 'frog' element to the text
'ribbit'. But if you write:
x = $('#frog').html();
...you're *retrieving* the content of 'frog'. So the html() function
has to check arguments.length every time you call it (except it
doesn't, see note about subtle bugs below) to figure out whether it's
a set or get operation, even though you've ALREADY done that
differentiation in your code. Now, I know branch-on-test is very fast
these days, but I still don't see any excuse for requiring the library
to do that runtime check on every call. Just use different names,
f'chrissake. :-) And there's that maintenance aspect again -- it's
unusual for functions to change meaning in that way. Granted, this
isn't *totally* dissimilar to using a property (where what happens
depends on whether it's on the left- or right-hand side of the
assignment operator), but it's different enough to cause hassles.
Oh! And quick: What does 'x' refer to in the above two statements?
You guessed it, it depends on whether you passed a parameter into html
() or not. If you did, html() returns a jQuery object (for chaining
purposes); if you didn't, it returns a string (the content of the
element). Say what?
These dual-mode functions make some bugs in your code even more subtle
than they need to be. Consider:
function buggyFunction(count) {
var display;
if (count minThreshold) {
display = 'Need more thingies';
} else if (count maxThreshold) {
display = 'Too many thingies!';
}
$('#levelmessage').html(display);
}
The author of the function messed up and forgot to set 'display' to
anything if minThreshold = count = maxThreshold (they probably
wanted ''), and so 'display' is undefined when passed into html() in
that case. Now, does that show the text 'undefined'? No. It doesn't
change the content of the element at all. Why not? Because the html
() call returns the current text inside the levelmessage element
rather than setting its content, because html() *doesn't* check
arguments.length, it checks if its first parameter ===
[Proto-Scripty] Re: protosafe download
Thanks a lot T.J. I apologize for the multiple posts. I was posting on different groups and forgot I've posted on this. I guess I was not clear on what I need exactly. I have to deal with conflicts between prototype and mootools. From what I've read, protosafe seems to be an excellent solution for that. The options you've suggested don't address that issue, if I understand them correctly. I'm new on prototype and JavaScript's OOP. Weiguo On 1月21日, 上午3时04分, T.J. Crowder t...@crowdersoftware.com wrote: Hi, (A single thread is sufficient, you don't need to do multiple posts.) The person who was maintaining Protosafe decided to stop doing so and took down the files. For a minified version of Prototype, you have several options, such as jsmin from Crockford[1], Packer 3 from Edwards[2], or many others. With Packer 3 or anything else that (optionally) rewrites parameter names, you'll need to either not use that option or modify the code so that it leaves the special $super parameter[3] alone. [1]http://www.crockford.com/javascript/jsmin.html [2]http://dean.edwards.name/packer/ [3]http://prototypejs.org/api/class/create HTH, -- T.J. Crowder tj / crowder software / com Independent Software Engineer, consulting services available On Jan 21, 2:47 am, river weiguowa...@gmail.com wrote: Where can I download the package? It seemshttp://code.google.com/p/protosafe/ is no longer accessible. I got a 403 error. Any help is great appreciated. I need the files ASAP! 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-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: jQuery or Prototype ?
You might like to read Dion's opinion on this:
http://almaer.com/blog/why-i-often-prefer-prototype-too
Gabriel Gilini
www.usosim.com.br
gabr...@usosim.com.br
gabr...@souagil.com.br
On Wed, Jan 21, 2009 at 9:41 AM, Jan Hansen j...@nhl-data.dk wrote:
Thanks!
Yes, tools are tools - and one should use the one that fits the task at
hand best. However, it is difficult to actually know which tool to use if
you dont know the tools well enuogh. I guess this is the reason developers
tend to have a tendency of falling into the habit of once you've learned
how to use a hammer, everything starts looking like a nail... Ah well...
I'm not looking for arguments _not_ to use jQuery, but the current
situation is that it is getting increasingly harder to convince co-workers
that prototype is a valid choice. jQuery seem to have many more followers
along with a more united community, whereas the prototype api pages are
relatively short in larger examples. There is the unofficial wiki you set
up which tries to help in several areas, which it does - and no, I haven't
found time to contribute myself (yet.. argh...). Plugins/tools/whatever is
found on scripteka and finally we have the scriptaculous website as well. I
know that the prototype team now focuses on more scheduled releases, better
documentation and the community as a general - which is good. I really hope
it will help the ecosystem around prototype evolve. Im just looking for all
you clever guys comments on what the differences between prototype and
jQuery are, and how this could help me persuade others that just because MS
decides to support a tool, doesnt mean that the others should be
abandoned. But I believe that we have to do something now. Sigh... more
work, and still no time...
But thanks a lot for you insightfull answers!
Best regards,
/Jan
On 21-01-2009 10:56, T.J. Crowder wrote:
Hi,
Tools are tools, use the one that does what you need and that you find
comfortable.
One thing I don't like about jQuery is all of the (in effect) function
overloading. I don't have a problem with overloaded functions
provided they do essentially the same thing (in Java, for instance,
it's how you do optional parameters). But for example, the jQuery
function (usually aka $) is just way too overloaded. If you see:
$(x);
...or
jQuery(x);
...in someone's code, you have to look very carefully at 'x' to know
what that's going to do. It might
1. Extend a raw element
or maybe
2. Search for elements matching a CSS selector
or it could
3. Register a function to be called when the DOM is ready
but don't forget that instead it might
4. Create DOM elements from an HTML string.
Yikes. That's asking for maintenance problems IMHO, even if you don't
have junior staff -- and especially if you do.
In a similar vein, I don't like the fact that a number of jQuery's
functions are dual-mode: They do one thing if you pass in a
parameter, something else if you don't. If you write:
x = $('#frog').html('ribbit');
...you're setting the inner content of the 'frog' element to the text
'ribbit'. But if you write:
x = $('#frog').html();
...you're *retrieving* the content of 'frog'. So the html() function
has to check arguments.length every time you call it (except it
doesn't, see note about subtle bugs below) to figure out whether it's
a set or get operation, even though you've ALREADY done that
differentiation in your code. Now, I know branch-on-test is very fast
these days, but I still don't see any excuse for requiring the library
to do that runtime check on every call. Just use different names,
f'chrissake. :-) And there's that maintenance aspect again -- it's
unusual for functions to change meaning in that way. Granted, this
isn't *totally* dissimilar to using a property (where what happens
depends on whether it's on the left- or right-hand side of the
assignment operator), but it's different enough to cause hassles.
Oh! And quick: What does 'x' refer to in the above two statements?
You guessed it, it depends on whether you passed a parameter into html
() or not. If you did, html() returns a jQuery object (for chaining
purposes); if you didn't, it returns a string (the content of the
element). Say what?
These dual-mode functions make some bugs in your code even more subtle
than they need to be. Consider:
function buggyFunction(count) {
var display;
if (count minThreshold) {
display = 'Need more thingies';
} else if (count maxThreshold) {
display = 'Too many thingies!';
}
$('#levelmessage').html(display);
}
The author of the function messed up and forgot to set 'display' to
anything if minThreshold = count = maxThreshold (they probably
wanted ''), and so 'display' is undefined when passed into html() in
that case. Now, does that show the text 'undefined'? No. It doesn't
[Proto-Scripty] Re: Scriptaculous problem with option field
On Jan 20, 4:33 pm, rolfK r...@ibk-kellner.de wrote:
Hello,
Thank you for your fast response. But unfortunately your suggestion
does not solve the problem. Using xyz as query, the following string
is transferred:
Without option field:
query=xyz
That is okay and as expected. With your suggestion as option field,
the following is pushed to the server.
query=xyz%5Bobject%20Object%5D
There is what looks very much like a bug in the scriptaculous
documentation (as is actually noted at
http://wiki.github.com/madrobby/scriptaculous/ajax-autocompleter): the
'parameters' property needs a string, not an object.
Try
new Ajax.Autocompleter(
query, auto_suggest,
include/suggest.php,
{ parameters: media_only=media_only }
);
It would be very much neater if it did accept an object (and I fell
over this myself).
Colin
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[Proto-Scripty] image load
Hello! How do I check/read when an image is loaded ?. What I want to do is that I want to wait to displaya div until the entire image is loaded. Now, the div get's displayed as the code structure is loaded. Grateful for tips. --~--~-~--~~~---~--~~ 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: image load
Try defining an onload event for the image that does what you need On Jan 21, 7:43 am, Stucture_Ulf maximilian.moulet...@gmail.com wrote: Hello! How do I check/read when an image is loaded ?. What I want to do is that I want to wait to displaya div until the entire image is loaded. Now, the div get's displayed as the code structure is loaded. Grateful for tips. --~--~-~--~~~---~--~~ 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] Close Div when click outside
I am trying to build my own select pull down menu that will close when
a click is observed outside of the pull down div, but I am having
trouble stopping the click event from triggering when the link to show
the pull down is clicked. This is the relevant code:
a onclick=showSelect(); id=start_timeOpen Div/a
function showSelect() {
if($('dropdown').style.visibility == visible) {
$('dropdown').style.visibility = hidden;
Event.stopObserving(document.body, 'click', new_obj.bfx);
} else {
new_obj.bfx = new_obj.fx.bindAsEventListener(new_obj);
$('dropdown').style.visibility = visible;
Event.observe(document.body, 'click', new_obj.bfx);
//!!this click event is triggered right away when the link with
id=start_time is
//clicked. I would like to remove this specific event somehow
}
}
//this function is suppossed to close the div the page is clicked
anywhere but on the div
var new_obj = { fx: function(){
$('dropdown').style.visibility = hidden;
}}
I would really appreciate any help or suggestions, I am pretty new to
prototype and this has me completely stumped. Thanks.
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[Proto-Scripty] Re: Modifying prototypescriptaculous to work alongside jQuery
On Jan 21, 11:30 am, Phil W phi...@googlemail.com wrote: I suppose I could use jQuery UI as it wouldn't clash, but I'd like to stick with Scriptaculous as the code can be in onClick etc events rather than all specified in the head region. [...] I'm pretty sure simply replacing all occurrences of `$` with, say `_ $`, should work just fine. What exactly did you do last time and how did it break? -- kangax --~--~-~--~~~---~--~~ 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: Modifying prototypescriptaculous to work alongside jQuery
Why don't you just use jQuery's noConflict mode ?
On Jan 21, 11:28 pm, Phil W phi...@googlemail.com wrote:
Thanks a lot for the response, I've gone through prototype.js,
scriptaculous.js, builder.js, controls.js etc etc and replaced all
instances of $ with _$.
I've uploaded to my server, but now when I click on a link with a
onClick scroll event handler (using a href=#
onclick=Effect.ScrollTo('restofhomepage'); return false;read/a) I
get this error:
JavaScript -http://liverpoolstudentmedia.com/
Event thread: click
Error:
name: ReferenceError
message: Statement on line 1: Undefined variable: Effect
Backtrace:
Line 1 of function script
Effect.ScrollTo('restofhomepage'); return false;
...
stacktrace: n/a; see 'opera:config#UserPrefs|Exceptions Have
Stacktrace'
Any ideas what is going wrong?
Thanks,
Phil
On Jan 21, 5:16 pm, kangax kan...@gmail.com wrote:
On Jan 21, 11:30 am, Phil W phi...@googlemail.com wrote: I suppose I
could use jQuery UI as it wouldn't clash, but I'd like to
stick with Scriptaculous as the code can be in onClick etc events
rather than all specified in the head region.
[...]
I'm pretty sure simply replacing all occurrences of `$` with, say `_
$`, should work just fine. What exactly did you do last time and how
did it break?
--
kangax
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[Proto-Scripty] Re: Modifying prototypescriptaculous to work alongside jQuery
jQuery is used by my CMS, and I don't really want to mess around below
the hood of Drupal. Using noConflict would mean I'd have to change
Drupal's js code that uses jQuery to use the new variable and I don't
want to do that as it could cause errors if I don't do it perfectly,
and when I upgrade the CMS the changes will just be overwritten.
I'm hoping to find a way to modify scriptaculous and prototype so that
they behave as if they have their own noConflict mode, and that it was
activated.
Hope that's cleared things up. I wish it was that simple!
On Jan 21, 11:37 pm, Tobie Langel tobie.lan...@gmail.com wrote:
Why don't you just use jQuery's noConflict mode ?
On Jan 21, 11:28 pm, Phil W phi...@googlemail.com wrote:
Thanks a lot for the response, I've gone through prototype.js,
scriptaculous.js, builder.js, controls.js etc etc and replaced all
instances of $ with _$.
I've uploaded to my server, but now when I click on a link with a
onClick scroll event handler (using a href=#
onclick=Effect.ScrollTo('restofhomepage'); return false;read/a) I
get this error:
JavaScript -http://liverpoolstudentmedia.com/
Event thread: click
Error:
name: ReferenceError
message: Statement on line 1: Undefined variable: Effect
Backtrace:
Line 1 of function script
Effect.ScrollTo('restofhomepage'); return false;
...
stacktrace: n/a; see 'opera:config#UserPrefs|Exceptions Have
Stacktrace'
Any ideas what is going wrong?
Thanks,
Phil
On Jan 21, 5:16 pm, kangax kan...@gmail.com wrote:
On Jan 21, 11:30 am, Phil W phi...@googlemail.com wrote: I suppose I
could use jQuery UI as it wouldn't clash, but I'd like to
stick with Scriptaculous as the code can be in onClick etc events
rather than all specified in the head region.
[...]
I'm pretty sure simply replacing all occurrences of `$` with, say `_
$`, should work just fine. What exactly did you do last time and how
did it break?
--
kangax
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[Proto-Scripty] Element is null
I am doing the following on one of my pages:
document.observe(dom:loaded, function() {
Event.observe('fm', 'submit', checkReqFields, false);
$('resetBtn').observe('click',resetForm);
#if(!$edit)
initForm();
#else
disableOther();
#end
});
The line:
Event.observe('$formName', 'submit', checkReqFields, false);
is causing an element is null error on page load. If I remove that
line, I don't get the error. The form that is referenced exists, the
function checkReqFields exists and the script is located after the
HTML, so all of the elements should exist before it is executed.
I do something very similar on another page and it works fine. Any
ideas as to what is causing this problem?
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[Proto-Scripty] help with autocompleter
hi guys, i want to implement the autocomplete function with ajax, im
very new using prototype (i only know how to do dependent selects),
can you tell me some ideas? actually i have de database in mysql and i
want to use php for this, thanks in advance for your help
here is the simple code that i only know for selects:
script type=text/javascript
function OnChangeOrg() {
some vars definitions ...
var url = './file.php?var1=value1var2=value2, etc
etc
new Ajax.Request(
url,
{
method: 'get',
asynchronous: false,
onSuccess: function(transport) {
var = transport.responseText;
}
});
document.getElementById('id').innerHTML = 'select
optionSelect/option' + var +'/select';
/script
eulerss
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