Re: Drag and drop within a list field

[Paul Dupuis via use-livecode]

Devin,

Thank you for the link below. I find it interesting that Scott did not 
use any of the "drag" messages for dragging a line within a field. He 
did use the rarely used "before mouseDown", "before mouseMove" and so 
one to capture various mouse messages related to drag actions and coded 
the drag and drop behavior there.



One thing I have noted is that in LC 9.6.2 STABLE "dragMove" is only 
sent while the mouse is moving. "mouseMove" is similar. Scott used in 
his sample stack a "send in time" action to keep autoscrolling smooth if 
the drag action required the field to autoscroll. I would have hoped 
there was a better way to autoscroll a field during a drag operation 
within the field in LC, but apparently not.


I guess I will need to adapt the "send xxx in 80ms" trick for smooth 
autoscrolling during a drag to my code.


Thank you for the pointer to Scott's sample stack!


On 7/16/2021 11:48 AM, Devin Asay via use-livecode wrote:

Hi Paul,

Some years back Scott Rossi created a nifty little demo called GetInLine that 
shows how to do the interface part of drag-reordering. It’s in his archive at 
http://tactilemedia.com/blog/2018/05/12/blasts-from-the-past/. It might give 
you a good foundation, even if you don’t use the exact interface he created.

I don’t think the data part of it should be too hard; just make sure you keep 
the visible list and the custom property synched the same. Or you could 
possibly use hidden text or metadata tags in you visible list to embed the type 
for each line.

Hope this helps.

- Devin




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Re: Drag and drop within a list field

[Curry Kenworthy via use-livecode]

Paul:

> the data in the custom property look like:
> codename1

That's backwards, try this:
name1code

And with a tab stop, you may not need a custom property!
Fields can hold more content than what meets the eye.

> foldernameA

Do you really need "folder" and "code" spelled out?
Redundant content will limit performance/list size.

I would aim for either:

nameAf
name1c

or:

nameA1
name12

... where 1 and 2 etc are unique IDs and match a data array.
Way better than trying to mirror the content in a prop.

> The user must keep moving the mouse around slightly
> so that continual dragMove messages are sent

Messages are messages, ditto for commands, "never the twain."
Keep them separate, user a timer or an alternate message.
Messages are handy - not holy.

> coding drag and drop operations in LC
> is one of the areas I am least familiar with.

One of the most fun areas, really. Way back during college,
I remember using (probably HC?) to whip up a class schedule
drag-and-drop UI because I had transferred between U's
and had to fit just the right things in one semester.

The other students were doing this with pencil and paper.
It was a smooth stack, light-years ahead of its time.
My counselor was surprised at the classes I fit in.

And since then, LC drag and drop just gets more fun!
(Although, as I hinted one conference, we're moving beyond
that stage pretty soon in the history of app dev.)

Best wishes,

Curry Kenworthy

Custom Software Development
"Better Methods, Better Results"
LiveCode Training and Consulting
http://livecodeconsulting.com/

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Re: Drag and drop within a list field

[Devin Asay via use-livecode]

Hi Paul,

Some years back Scott Rossi created a nifty little demo called GetInLine that 
shows how to do the interface part of drag-reordering. It’s in his archive at 
http://tactilemedia.com/blog/2018/05/12/blasts-from-the-past/. It might give 
you a good foundation, even if you don’t use the exact interface he created.

I don’t think the data part of it should be too hard; just make sure you keep 
the visible list and the custom property synched the same. Or you could 
possibly use hidden text or metadata tags in you visible list to embed the type 
for each line.

Hope this helps.

- Devin

> On Jul 16, 2021, at 9:06 AM, Paul Dupuis via use-livecode 
>  wrote:
> 
> I have a scrolling list field that has contents like:
> 
> name1
> name2
> nameA
> name3
> name4
> name5
> nameB
> name6
> name7
> nameC
> name8
> etc.
> 
> the field has a custom property with the contents and a "type" for each name, 
> so the data in the custom property look like:
> 
> codename1
> codename2
> foldernameA
> codename3
> codename4
> codename5
> foldernameB
> codename6
> codename7
> foldernameC
> codename8
> etc.
> 
> The type for each line can be either 'code' or 'folder'. I am trying to craft 
> code for the field script that supports dragging a line that is a 'code' or 
> 'folder' onto a line that is a 'folder'. You can not drag a 'code' or 
> 'folder' onto a 'code' line.
> 
> I have a dragStart, dragMove and dragEnd handlers, but something is off with 
> my code with regard to autoscrolling the field. (the actual list of names is 
> much longer than my example above). When dragging near the bottom of the 
> field, I try to detect if I am within a textHeight of the bottom of the field 
> (or top if scrolling up) and and scroll the field, but it is very jerky. The 
> user must keep moving the mouse around slightly so that continual dragMove 
> messages are sent and I have other problems with highlighting the destination 
> line when you are over a 'folder' that you can drop on.
> 
> Does anyone have some "best practice" code for this capability that they 
> would be willing to share? I admit coding drag and drop operations in LC is 
> one of the areas I am least familiar with.
> 
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Devin Asay
Director
Office of Digital Humanities
Brigham Young University

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Re: Drag-and-Drop with Desktop Files

[Bob Sneidar via use-livecode]

I'll toss together an Applescript for you when I get a chance. 

Bob S


> On Mar 14, 2019, at 06:25 , R.H. via use-livecode 
>  wrote:
> 
> I am referring to:
> Message: 17, Date: Thu, 14 Mar 2019 00:44:05 +0100, From: hh > 
> 
> Regarding MacOS I can not say much, but I use Windows, and IT WORKS.
> 
> 'hh ' = Hermann's contribution, right? This fantastic. I never expected
> anybody to have a solution. I had searched Git and whatever.
> 
> Well, first it did not actually work because spaces in the folder- and
> filenames are breaking the script. There will be an error message. So, I
> have added these script lines to what 'hh' had posted:

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Re: Drag-and-Drop with Desktop Files

[kee nethery via use-livecode]

I had drag and drop in my macOS app but … when going with the AppStore, and 
sandboxing, there was no way for drag and drop to trigger the sandbox 
permission that would allow the app to read that file. I knew which file, but 
since it did not go through the dialog box, the permission wasn’t set.

So I took drag and drop out of my app and it passed store app review.

Kee

> On Mar 13, 2019, at 4:44 PM, hh via use-livecode 
>  wrote:
> 
> ** Get selected files of the file manager (without user interaction like 
> dragDrop) **
> 
> (I write the following such that also beginners can read it.)
> 
> +++
> [a] Solution for MacOS (tested to work on MacOS 10.14):
> 
> (a1) Put the following in a field "myScript".
> 
> # Full path of selected items in Finder.
> tell application "Finder"
>   set finderSelList to selection as alias list
> end tell
> 
> if finderSelList ≠ {} then
>   repeat with i in finderSelList
>  set contents of i to POSIX path of (contents of i)
>   end repeat
>   set AppleScript's text item delimiters to linefeed
>   finderSelList as text
> end if
> 
> 
> (a2) Script a button and create a field "OUT".
> on mouseUp
>   do fld "myScript" as applescript
>   put char 2 to -2 of the result into r
>   put r into fld "OUT"
> end mouseUp
> 
> You'll get from the top-layered finder window lines with the full file names.
> 
> (a3) Credits.
> https://forum.keyboardmaestro.com/t/getting-the-path-of-currently-selected-file-in-finder/1507
> 
> +
> [b] Solution for Windows (tested to work on Win 7+10):
> 
> (b1) Save the following to a file "wscript1.js" in your stacks folder.
> 
> var shellWindows = new ActiveXObject("Shell.Application").Windows();
> for (var i = 0; i < shellWindows.Count; i++) {
> var w = shellWindows.Item(i);
> WScript.StdOut.WriteLine(w.LocationName);
> var sel = w.Document.SelectedItems();
> for (var j = 0; j < sel.Count; j++) {
> var item = sel.Item(j);
> WScript.StdOut.WriteLine(item.Name);
> WScript.StdOut.WriteLine(item.Path);
> }
> }
> 
> (b2) Script a button and create a field "OUT".
> 
> on mouseUp
>  put the effective filename of this stack into p
>  set itemdel to slash
>  put "wscript1.js" into last item of p
>  put shell("wscript ") into fld "OUT"
> end mouseUp
> 
> You'll get for each explorer window its name and, for each selected file in 
> that,
> the short file name followed in the next line by the long file name.
> 
> (b3) Credits.
> https://devblogs.microsoft.com/oldnewthing/?p=4593
> 
> +
> [c] Solution for linux:
> 
> Linux nerds of the use-list, please complete here (at least for ubuntu 1604) 
> ...
> 
> 
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Re: Drag-and-Drop with Desktop Files

[hh via use-livecode]

Hi,

I use MacOS or linux (on Raspi only), never really worked with windows.
I'm using Windows only to test my stacks/apps on the PC of my youngest son.

Scripting Host-WScript can execute JScript, the MS-extension of ECMAScript. It 
has a
lot of features. We probably can use a lot of these features via LC's shell.

I looked into that out of interest the first time last week. It is well 
documented:
https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/wscript
And it seems to be better maintained than VBScript.

But there is NO method to get the selectedItems from the virtual desktop folder.

Moreover, as you may notice, the selected items are deelected when you activate
another window (as for example a LC window or an explorer window).

The only workaround I can see (besides using an answer file dialog or dragDrop) 
is:

1. launch document specialFolderPath("Desktop") --> open desktop folder in 
explorer
2. User should select the files in that window.
3. Use the already working method for explorer windows.


file "wscript1.js" (more compact output)

var shellWindows = new ActiveXObject("Shell.Application").Windows();
for (var i = 0; i < shellWindows.Count; i++) {
var w = shellWindows.Item(i);
var sel = w.Document.SelectedItems();
for (var j = 0; j < sel.Count; j++) {
var item = sel.Item(j);
WScript.StdOut.WriteLine(item.Path);
}
}


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Re: Drag-and-Drop with Desktop Files

[R.H. via use-livecode]

hh, I have one more question for Windows: Selecting a file through
Microsoft File Explorer on Windows 10 works for all selected files with
your wscript, also when it is a Desktop file accessed through the dialogue.

The problem I have is when the user selects a file _directly_ visible on
the Desktop, wscript will not catch the file. Is there a way to find such
selected files on the Desktop when users just selected files there? I am
not familiar yet with wscript.

And I can not catch this attribute using the
files(specialfolderpath("desktop","detailed")) function in LiveCode.

Thanks, Roland


> I am referring to:
> Message: 17, Date: Thu, 14 Mar 2019 00:44:05 +0100, From: hh <
> h...@hyperhh.de>
>
> Regarding MacOS I can not say much, but I use Windows, and IT WORKS.
>
> 'hh ' = Hermann's contribution, right? This fantastic. I never expected
> anybody to have a solution. I had searched Git and whatever.
>
> Well, first it did not actually work because spaces in the folder- and
> filenames are breaking the script. There will be an error message. So, I
> have added these script lines to what 'hh' had posted:
>
> -- Button script
> on mouseUp
> set the hideConsoleWindows to true -- Hide console window
> put the effective filename of this stack into p
> set the itemdelimiter to slash
> put "wscript1.js" into last item of p -- Or construct any other valid
> file path
> --replace slash with backslash in p  -- Not needed, works without
> backslash conversion
> put quote & p & quote into p -- Required if file- or folder names
> contain spaces, and mostly they do
> put shell ("wscript ") into msg -- or any field, ...
> end mouseUp
>
> Tested:
> Operating system: Windows 10, the latest version
> OS scripting language: Wscript (Microsoft Windows Script Host File)
> Filename of script file: "wscript.js"
> Location: Here the call file is placed inside the stack folder (could be
> any other location)
> Script of the file as given by Hermann:
>
> var shellWindows = new ActiveXObject("Shell.Application").Windows();
> for (var i = 0; i < shellWindows.Count; i++) {
> var w = shellWindows.Item(i);
> WScript.StdOut.WriteLine(w.LocationName);
> var sel = w.Document.SelectedItems();
> for (var j = 0; j < sel.Count; j++) {
> var item = sel.Item(j);
> WScript.StdOut.WriteLine(item.Name);
> WScript.StdOut.WriteLine(item.Path);
> }
> }
>
> Biggest THANK YOU.  You solved the client request in a very elegant way
> and I create this script file "on the fly" from within LiveCode and execute
> it on the client's Windows system.
>
> Thanks for all contributions
> Roland
>
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Re: Drag-and-Drop with Desktop Files

[hh via use-livecode]

** Get selected files of the file manager (without user interaction like 
dragDrop) **

(I write the following such that also beginners can read it.)

+++
[a] Solution for MacOS (tested to work on MacOS 10.14):

(a1) Put the following in a field "myScript".

# Full path of selected items in Finder.
tell application "Finder"
   set finderSelList to selection as alias list
end tell

if finderSelList ≠ {} then
   repeat with i in finderSelList
  set contents of i to POSIX path of (contents of i)
   end repeat
   set AppleScript's text item delimiters to linefeed
   finderSelList as text
end if


(a2) Script a button and create a field "OUT".
on mouseUp
   do fld "myScript" as applescript
   put char 2 to -2 of the result into r
   put r into fld "OUT"
end mouseUp

You'll get from the top-layered finder window lines with the full file names.

(a3) Credits.
https://forum.keyboardmaestro.com/t/getting-the-path-of-currently-selected-file-in-finder/1507

+
[b] Solution for Windows (tested to work on Win 7+10):

(b1) Save the following to a file "wscript1.js" in your stacks folder.

var shellWindows = new ActiveXObject("Shell.Application").Windows();
for (var i = 0; i < shellWindows.Count; i++) {
var w = shellWindows.Item(i);
WScript.StdOut.WriteLine(w.LocationName);
var sel = w.Document.SelectedItems();
for (var j = 0; j < sel.Count; j++) {
var item = sel.Item(j);
WScript.StdOut.WriteLine(item.Name);
WScript.StdOut.WriteLine(item.Path);
}
}

(b2) Script a button and create a field "OUT".

on mouseUp
  put the effective filename of this stack into p
  set itemdel to slash
  put "wscript1.js" into last item of p
  put shell("wscript ") into fld "OUT"
end mouseUp

You'll get for each explorer window its name and, for each selected file in 
that,
the short file name followed in the next line by the long file name.

(b3) Credits.
https://devblogs.microsoft.com/oldnewthing/?p=4593

+
[c] Solution for linux:

Linux nerds of the use-list, please complete here (at least for ubuntu 1604) ...


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Re: Drag-and-Drop with Desktop Files

[Bob Sneidar via use-livecode]

I think he was trying to get the OS to tell him which files were hilited by the 
user without having to drag and drop. At least that is what I got from the 
post. 

Bob S


> On Mar 12, 2019, at 11:17 , J. Landman Gay via use-livecode 
>  wrote:
> 
> See the entry for dragDrop in the dictionary. You can get the file paths from 
> there.
> 
> on dragDrop -- check for file paths
>  get the dragData["files"]
>  ...
>  pass dragDrop
> end dragDrop


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Re: Drag-and-Drop with Desktop Files

[J. Landman Gay via use-livecode]

See the entry for dragDrop in the dictionary. You can get the file paths 
from there.


on dragDrop -- check for file paths
  get the dragData["files"]
  ...
  pass dragDrop
end dragDrop

On 3/12/19 10:46 AM, Bob Sneidar via use-livecode wrote:

On a Mac you could just make an Applescript call to the Finder. Windows, I 
don't know. There is probably a powershell call that will do it.

Bob S



On Mar 8, 2019, at 06:46 , R.H. via use-livecode 
 wrote:

Desktop and IDE, mainly Windows 10 (could be any OS), LiveCode lastest
version.

Drag-and-Drop on Windows works as expected. But I have another request and
do not know how to handle it so far.

The OS should know which file a user has selected. Is there are a command
or Shell function to know which files are selected in the Operating System
to receive their file path back in LiveCode without much user interaction.
The user shall NOT move the file as in Drag-and-Drop, but just click a
button to know about these selected files and folders and process them as
desired.

Speaking about Windows, only folders and files in a current folder can be
user-selected. So, if we had the information about the currently selected
folder and the selected files and folders inside, it would be a huge
advantage for the application I am working on.

Thanks for any hint if this is conceivable.



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--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: Drag-and-Drop with Desktop Files

[Bob Sneidar via use-livecode]

On a Mac you could just make an Applescript call to the Finder. Windows, I 
don't know. There is probably a powershell call that will do it. 

Bob S


> On Mar 8, 2019, at 06:46 , R.H. via use-livecode 
>  wrote:
> 
> Desktop and IDE, mainly Windows 10 (could be any OS), LiveCode lastest
> version.
> 
> Drag-and-Drop on Windows works as expected. But I have another request and
> do not know how to handle it so far.
> 
> The OS should know which file a user has selected. Is there are a command
> or Shell function to know which files are selected in the Operating System
> to receive their file path back in LiveCode without much user interaction.
> The user shall NOT move the file as in Drag-and-Drop, but just click a
> button to know about these selected files and folders and process them as
> desired.
> 
> Speaking about Windows, only folders and files in a current folder can be
> user-selected. So, if we had the information about the currently selected
> folder and the selected files and folders inside, it would be a huge
> advantage for the application I am working on.
> 
> Thanks for any hint if this is conceivable.


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Re: drag and drop of lines within a field

[Bob Sneidar via use-livecode]

That was so cool I donated.

Bob S


> On May 3, 2017, at 06:46 , Tom Bodine via use-livecode 
>  wrote:
> 
> Hi Tiemo,
> 
> I use Scott Rossi's "Get In Line" stack:
>   http://www.tactilemedia.com/site_files/downloads/getinline.rev.zip
> 
> HTH,
> Tom Bodine


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Re: Drag and Drop with HTML5 Export?

[Peter TB Brett]

On 2015-07-16 14:46, David Bovill wrote:
Is this something that looks like it will be part of the first alpha? 
Have
any test been done with drag and drop - or are we a way off 
establishing

whether this will work?


We do not currently plan to enable drag and drop in time for the first 
prototype release.


   Peter

--
Dr Peter Brett peter.br...@livecode.com
LiveCode Engine Development Team


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Re: Drag and Drop with HTML5 Export?

[David Bovill]

Thanks for the head-up Peter.

On 16 July 2015 at 13:54, Peter TB Brett peter.br...@livecode.com wrote:

 On 2015-07-16 14:46, David Bovill wrote:

 Is this something that looks like it will be part of the first alpha? Have
 any test been done with drag and drop - or are we a way off establishing
 whether this will work?


 We do not currently plan to enable drag and drop in time for the first
 prototype release.

Peter

 --
 Dr Peter Brett peter.br...@livecode.com
 LiveCode Engine Development Team


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Re: Drag and Drop Linux, 7.0.5 64 Bit

[Malte Brill]

Now entered in quality: http://quality.runrev.com/show_bug.cgi?id=15482 
http://quality.runrev.com/show_bug.cgi?id=15482

Cheers,

Malte


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Re: Drag and Drop Linux, 7.0.5 64 Bit

[Richard Gaskin]

Malte Brill wrote:

 Now entered in quality:
 http://quality.runrev.com/show_bug.cgi?id=15482

Thank you, Malte.

Related:
http://quality.runrev.com/show_bug.cgi?id=15479

--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: Drag and Drop Linux, 7.0.5 64 Bit

[Richard Gaskin]

Malte Brill wrote:

 did anyone of you get Drag and Drop to work in the 7.0.5 64-Bit Linux
 engine under Ubuntu 14.0.4 (LTS)?

 If so I would be very interested in learning how.

Kinda FUBAR here: when I drag text within a field, it doesn't move the 
text but it does create a text dropping on the desktop, even though my 
mouse isn't anywhere near the edge of the window.


What issues are you seeing?

--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: Drag and Drop Linux, 7.0.5 64 Bit

[Malte Brill]

Hi Richard,

 What issues are you seeing?

Not finished analyzing yet, but many.

No Indicator shown on dragStart
DragDrop doesn’t
dragMove not sent to group owning the target / not handable in group containing 
the target
dragEnter not handled properly

All in all either seriously broken, or some magical prerequisite missing??? :-)

Best,

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Re: Drag and Drop

[Richmond]

On 05/11/2013 06:54 PM, Richmond wrote:

On 05/11/2013 06:30 PM, Mark Wieder wrote:

Richmond-

Friday, May 10, 2013, 11:46:45 PM, you wrote:


As a result I gave up reading it and started thinking for myself.

...no good can come of that...



Okay; let's rewrite that to this:

I read the documentation, and when it does not help me I start 
thinking for myself.


Richmond.


And, further to that; the system in the documentation where users can 
add their notes, which are

then shared around, seems to have gone wonky.

Richmond.

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Re: Drag and Drop

[Richmond]

On 05/10/2013 11:17 PM, Alejandro Tejada wrote:

Hi Richmmond,


Richmond Mathewson-2 wrote

[snip]
So I don't know where you got the idea that this used not to work:
[snip]

mouseStillDown is not mentioned in this article:
http://www.hyperactivesw.com/resources_polling.html

Why?


Because RR/LC documentation has always been inadequate.

As a result I gave up reading it and started thinking for myself.

But, then, I have never been a great one for following other people's
dialectics.

Richmond.



Al



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Re: Drag and Drop

[Mark Wieder]

Richmond-

Friday, May 10, 2013, 11:46:45 PM, you wrote:

 As a result I gave up reading it and started thinking for myself.

...no good can come of that...

-- 
-Mark Wieder
 mwie...@ahsoftware.net


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Re: Drag and Drop

[Richmond]

On 05/11/2013 06:30 PM, Mark Wieder wrote:

Richmond-

Friday, May 10, 2013, 11:46:45 PM, you wrote:


As a result I gave up reading it and started thinking for myself.

...no good can come of that...



Okay; let's rewrite that to this:

I read the documentation, and when it does not help me I start thinking 
for myself.


Richmond.

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Re: Drag and Drop

[J. Landman Gay]

On 5/11/13 1:46 AM, Richmond wrote:

On 05/10/2013 11:17 PM, Alejandro Tejada wrote:

Hi Richmmond,


Richmond Mathewson-2 wrote

[snip]
So I don't know where you got the idea that this used not to work:
[snip]

mouseStillDown is not mentioned in this article:
http://www.hyperactivesw.com/resources_polling.html

Why?


Because RR/LC documentation has always been inadequate.

As a result I gave up reading it and started thinking for myself.

But, then, I have never been a great one for following other people's
dialectics.


Ah, but in this case it's my dialectics. :) It was largely written at 
the request of Scott Raney who got tired of preaching about it. He told 
me the day that page went up he'd already referred two people to it, 
which saved him a lot of time.


--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: Drag and Drop

[Richmond]

On 05/11/2013 09:06 PM, J. Landman Gay wrote:

On 5/11/13 1:46 AM, Richmond wrote:

On 05/10/2013 11:17 PM, Alejandro Tejada wrote:

Hi Richmmond,


Richmond Mathewson-2 wrote

[snip]
So I don't know where you got the idea that this used not to work:
[snip]

mouseStillDown is not mentioned in this article:
http://www.hyperactivesw.com/resources_polling.html

Why?


Because RR/LC documentation has always been inadequate.

As a result I gave up reading it and started thinking for myself.

But, then, I have never been a great one for following other people's
dialectics.


Ah, but in this case it's my dialectics. :) It was largely written at 
the request of Scott Raney who got tired of preaching about it. He 
told me the day that page went up he'd already referred two people to 
it, which saved him a lot of time.




Dear Ms Gay,

I will not hold that against you. The nature of programming languages is 
such that they
are almost un-documentable in their complexity; a lot of which is even 
unsuspected by the people

who invent them.

Richmond.

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Re: Drag and Drop

[André Bisseret]

Bonjour Ray,

Recently I had a similar problem but while dragging from one locked field to an 
unlocked field on the same card.

The dragdrop handler did not work until I pass dragdrop at the end of the 
dragdrop handler.

Not sure that will help in your case!

Best regards

André

Le 10 mai 2013 à 02:03, Ray Horsley a écrit :

 Many thanks to you all who responded to this thread I started earlier today.  
 Unfortunately I still haven't resolved this issue so any other thought are 
 appreciated.  Here's a few responses to some of the ideas which were 
 presented:
 
   -  The mouseDown and mouseStillDown unfortunately don't work since I'm 
 dragging a file from the desktop to a Livecode stack (not beginning the drag 
 action in Livecode) although that's kind of cool to know that mouseMove 
 messages get sent during a grab.  I didn't know that.
 
   -  Doing anything with on dragStart also does not work since I'm starting 
 the drag operation outside of Livecode (on a desktop file)
 
   -  Setting the dragAction to copy instead of move works better in my 
 case since it adds a plus sign to the cursor (when it works) but still does 
 not solve the intermittent failure of Livecode to accept the drop 
 consistently.
 
   -  Thanks for the link to the article Pinning Drag-and-Drop to the Mat 
 but I had actually read through it yesterday when I began wrestling with 
 this.  It, too, does not address dragging files from the desktop into 
 Livecode.
 
 At the end of the day I'm wondering if this should be reported as a bug.  It 
 seems like something is getting hooked in memory.  It's weird that I can drag 
 a file onto my Livecode stack (which is one large image control with the drag 
 handlers in it) and get nothing.  Then, simply continuing to drag off the 
 stack window and right back on it fixes it.
 
 I'll continue to wrestle and post any solutions I find.
 
 Thanks!
 
 On May 9, 2013, at 4:59 PM, Scott Rossi wrote:
 
 OK, I accepted your dare and was surprised to see that it worked (didn't
 used to).  Nice.
 Though you're still left with the limitations of working within a single
 stack, and no dragging in or out.
 But if the technique works for you, awesome.
 
 Speaking as someone who has rolled custom drag-and-drop code (execute in
 your message box):
 go url http://www.tactilemedia.com/site_files/downloads/TMdragndrop.rev;
 
 
 ...I'll suggest from experience that at some point it will benefit you to
 get a handle on the built-in routines.
 
 Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX/UI Design
 
 
 
 
 On 5/9/13 1:36 PM, Richmond richmondmathew...@gmail.com wrote:
 
 On 05/09/2013 11:07 PM, Scott Rossi wrote:
 Only you can know why you always use that technique,
 
 What? you expect me to know my own mind? LOL.
 
 I use that technique as I tend to use a single stack, or a signle stack
 with associated palettes.
 
 but with grab,
 there's no way to act upon events/messages while grab is active (thus
 you
 can't do cursor updates and provide user feedback), and you can't grab
 an object across stacks.
 
 Aha; got you.
 
 Why do I have a funny feeling that you could use
 
 mouseStillDown
 
 to get feedback
 
 Ha, ha,ha . . .  I just made a stack containing a button DRAG ME ABOUT
 
 and a field KOUNT
 
 in the button I have this script:
 
 on mouseDown
  grab me
 end mouseDown
 
 on mouseStillDown
  put fld KOUNT into KOUNT
  add 1 to KOUNT
  put KOUNT into fld KOUNT
  wait 3 ticks
 end mouseStillDown
 
 on mouseUp
  put empty into fld KOUNT
 end mouseUp
 
 Try it, I dare you . . . you get feedback.
 
 Richmond.
 
 
 
 Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX/UI Design
 
 
 
 
 On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:
 
 On 05/09/2013 09:01 PM, Mark Wieder wrote:
 Ray Horsley ray@... writes:
 
 What am I missing to get drag/drop working consistently?
 You might also want to look at
 
 
 
 http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-dro
 p-
 to-the-mat-a-primer
 
 Why do I always just use
 
 on mouseDown
grab me
 end mouseDown
 
 then set up a load of images as dropTargets and have stuff like this in
 the grabbedObject:
 
 on mouseUp
if not within (img target, the mouseloc) then
   set the loc of me to 857,673
end if
 end mouseUp
 
 must be missing something.
 
 Richmond.
 
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Re: Drag and Drop

[Richmond]

On 09/05/13 23:59, Scott Rossi wrote:

OK, I accepted your dare and was surprised to see that it worked (didn't
used to).  Nice.


Works in LC 4.5

Richmond.

Though you're still left with the limitations of working within a single
stack, and no dragging in or out.
But if the technique works for you, awesome.

Speaking as someone who has rolled custom drag-and-drop code (execute in
your message box):
go url http://www.tactilemedia.com/site_files/downloads/TMdragndrop.rev;


...I'll suggest from experience that at some point it will benefit you to
get a handle on the built-in routines.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 5/9/13 1:36 PM, Richmond richmondmathew...@gmail.com wrote:


On 05/09/2013 11:07 PM, Scott Rossi wrote:

Only you can know why you always use that technique,

What? you expect me to know my own mind? LOL.

I use that technique as I tend to use a single stack, or a signle stack
with associated palettes.


   but with grab,
there's no way to act upon events/messages while grab is active (thus
you
can't do cursor updates and provide user feedback), and you can't grab
an object across stacks.

Aha; got you.

Why do I have a funny feeling that you could use

mouseStillDown

to get feedback

Ha, ha,ha . . .  I just made a stack containing a button DRAG ME ABOUT

and a field KOUNT

in the button I have this script:

on mouseDown
grab me
end mouseDown

on mouseStillDown
put fld KOUNT into KOUNT
add 1 to KOUNT
put KOUNT into fld KOUNT
wait 3 ticks
end mouseStillDown

on mouseUp
put empty into fld KOUNT
end mouseUp

Try it, I dare you . . . you get feedback.

Richmond.



Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:


On 05/09/2013 09:01 PM, Mark Wieder wrote:

Ray Horsley ray@... writes:


What am I missing to get drag/drop working consistently?

You might also want to look at



http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-dro
p-
to-the-mat-a-primer


Why do I always just use

on mouseDown
  grab me
end mouseDown

then set up a load of images as dropTargets and have stuff like this in
the grabbedObject:

on mouseUp
  if not within (img target, the mouseloc) then
 set the loc of me to 857,673
  end if
end mouseUp

must be missing something.

Richmond.

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Re: Drag and Drop

[Ray Horsley]

Very interesting point Jacqueline.  In my case my image control displays 
nothing.  I use it as a template, ultimately to make images out of what users 
drag and drops.  It's the same dimensions as the stack itself.  Since the image 
control displays nothing as it isn't linked (the FileName of it) to any file 
I'm not sure whether the whole thing is consider transparent pixels or not.  
Livecode doesn't seem to have a setting of transparent or opaque for image 
controls.  So I've experimented with buttons giving them the same script as the 
image has:

on dragEnter
   set the dragAction to copy
   pass dragEnter
end dragEnter

The new thing I've discovered is I can consistently break Livecode's accepting 
the drop, evidenced by the cursor turning into a circle with a line through it 
instead of a plus sign, if I drag extremely slowly right at the point where I 
stop dragging across the desktop and start dragging over the stack window.  
This happens even if I let the button overlap off the stack window.  If I 
continue dragging around on top of the stack to another button with the same 
script I do get the plus sign for a cursor.  Weird isn't it?


On May 9, 2013, at 9:14 PM, J. Landman Gay wrote:

 On 5/9/13 7:03 PM, Ray Horsley wrote:
 
 At the end of the day I'm wondering if this should be reported as a
 bug.  It seems like something is getting hooked in memory.  It's
 weird that I can drag a file onto my Livecode stack (which is one
 large image control with the drag handlers in it) and get nothing.
 Then, simply continuing to drag off the stack window and right back
 on it fixes it.
 
 I wonder if it is because you are dropping onto an image. Images don't 
 register mouse events unless you click (or presumably release) on an opaque 
 pixel. It may be that sometimes you're dropping onto a transparent area and 
 then nothing will happen.
 
 You could test the theory by putting a big button over the card and seeing if 
 the drop is reliable there, or by always consciously dropping exactly on an 
 opaque area.
 
 -- 
 Jacqueline Landman Gay | jac...@hyperactivesw.com
 HyperActive Software   | http://www.hyperactivesw.com
 
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Re: Drag and Drop

[Paul Hibbert]

Ray,

Try moving your dragEnter  dragDrop to the card script (or the stack script), 
this works fine for me and I can't break it…

on dragEnter
   if char -3 to -1 of the dragData[files] is among the items of 
jpg,png,gif then
 set the dragAction to copy
   end if
end dragEnter

on dragDrop
   put the dragData[files] into tFilePath
   set the fileName of img imageViewer to line 1 of tFilePath 
end dragDrop

With this method I see the cursor change to the circle with a line through it 
as soon as I drag an image onto the card, but then it changes to a green circle 
with a plus sign as soon as the app can accept the drop. i.e. When the cursor 
is over the (empty or not) image area.

Paul

On 2013-05-10, at 5:16 AM, Ray Horsley wrote:

 Very interesting point Jacqueline.  In my case my image control displays 
 nothing.  I use it as a template, ultimately to make images out of what users 
 drag and drops.  It's the same dimensions as the stack itself.  Since the 
 image control displays nothing as it isn't linked (the FileName of it) to any 
 file I'm not sure whether the whole thing is consider transparent pixels or 
 not.  Livecode doesn't seem to have a setting of transparent or opaque for 
 image controls.  So I've experimented with buttons giving them the same 
 script as the image has:
 
 on dragEnter
   set the dragAction to copy
   pass dragEnter
 end dragEnter
 
 The new thing I've discovered is I can consistently break Livecode's 
 accepting the drop, evidenced by the cursor turning into a circle with a line 
 through it instead of a plus sign, if I drag extremely slowly right at the 
 point where I stop dragging across the desktop and start dragging over the 
 stack window.  This happens even if I let the button overlap off the stack 
 window.  If I continue dragging around on top of the stack to another button 
 with the same script I do get the plus sign for a cursor.  Weird isn't it?
 
 
 On May 9, 2013, at 9:14 PM, J. Landman Gay wrote:
 
 On 5/9/13 7:03 PM, Ray Horsley wrote:
 
 At the end of the day I'm wondering if this should be reported as a
 bug.  It seems like something is getting hooked in memory.  It's
 weird that I can drag a file onto my Livecode stack (which is one
 large image control with the drag handlers in it) and get nothing.
 Then, simply continuing to drag off the stack window and right back
 on it fixes it.
 
 I wonder if it is because you are dropping onto an image. Images don't 
 register mouse events unless you click (or presumably release) on an opaque 
 pixel. It may be that sometimes you're dropping onto a transparent area and 
 then nothing will happen.
 
 You could test the theory by putting a big button over the card and seeing 
 if the drop is reliable there, or by always consciously dropping exactly on 
 an opaque area.
 
 -- 
 Jacqueline Landman Gay | jac...@hyperactivesw.com
 HyperActive Software   | http://www.hyperactivesw.com
 
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Re: Drag and Drop

[Alejandro Tejada]

Hi Ray,


Ray Horsley-2 wrote
 [snip]
 The new thing I've discovered is I can consistently break Livecode's
 accepting the drop, 
 evidenced by the cursor turning into a circle with a line through it
 instead of a plus sign, 
 if I drag extremely slowly right at the point where I stop dragging across
 the desktop 
 and start dragging over the stack window.  This happens even if I let the
 button 
 overlap off the stack window.  If I continue dragging around on top of the
 stack 
 to another button with the same script I do get the plus sign for a
 cursor.  
 Weird isn't it?

And... This happens in every platform?
Windows? Mac? Linux?

Al



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Re: Drag and Drop

[Ray Horsley]

Well I haven't tried Linux but this behavior happens on both Mac and Windows.

And Paul, thanks for the card script idea.  I started out trying things in the 
card script but when I got the sporadic behavior I decided it was because a 
card is technically not a control.  Not sure about that.  In any event I'm 
sorry to report the script you've given me still isn't stopping the cursor from 
remaining a circle with a line through it without changing to the plus sign.  
I'll continue to experiment.  Have you tried really slowly dragging a file onto 
a stack window from the desktop to see if it changes to the circle with a line 
through it even though you've got this in your card's script:

on dragEnter
set the dragAction to copy
end dragEnter

On May 10, 2013, at 11:55 AM, Alejandro Tejada wrote:

 Hi Ray,
 
 
 Ray Horsley-2 wrote
 [snip]
 The new thing I've discovered is I can consistently break Livecode's
 accepting the drop, 
 evidenced by the cursor turning into a circle with a line through it
 instead of a plus sign, 
 if I drag extremely slowly right at the point where I stop dragging across
 the desktop 
 and start dragging over the stack window.  This happens even if I let the
 button 
 overlap off the stack window.  If I continue dragging around on top of the
 stack 
 to another button with the same script I do get the plus sign for a
 cursor.  
 Weird isn't it?
 
 And... This happens in every platform?
 Windows? Mac? Linux?
 
 Al
 
 
 
 --
 View this message in context: 
 http://runtime-revolution.278305.n4.nabble.com/Drag-and-Drop-tp4664563p4664662.html
 Sent from the Revolution - User mailing list archive at Nabble.com.
 
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Re: Drag and Drop

[Richmond]

On 05/09/2013 11:59 PM, Scott Rossi wrote:

OK, I accepted your dare and was surprised to see that it worked (didn't
used to).  Nice.


Works in LC/RR 3.5.0

Works in LC/RR 2.2.1

So I don't know where you got the idea that this used not to work:
perhaps you never tried it as it never occurred to you.

Richmond.


Though you're still left with the limitations of working within a single
stack, and no dragging in or out.
But if the technique works for you, awesome.

Speaking as someone who has rolled custom drag-and-drop code (execute in
your message box):
go url http://www.tactilemedia.com/site_files/downloads/TMdragndrop.rev;


...I'll suggest from experience that at some point it will benefit you to
get a handle on the built-in routines.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 5/9/13 1:36 PM, Richmond richmondmathew...@gmail.com wrote:


On 05/09/2013 11:07 PM, Scott Rossi wrote:

Only you can know why you always use that technique,

What? you expect me to know my own mind? LOL.

I use that technique as I tend to use a single stack, or a signle stack
with associated palettes.


   but with grab,
there's no way to act upon events/messages while grab is active (thus
you
can't do cursor updates and provide user feedback), and you can't grab
an object across stacks.

Aha; got you.

Why do I have a funny feeling that you could use

mouseStillDown

to get feedback

Ha, ha,ha . . .  I just made a stack containing a button DRAG ME ABOUT

and a field KOUNT

in the button I have this script:

on mouseDown
grab me
end mouseDown

on mouseStillDown
put fld KOUNT into KOUNT
add 1 to KOUNT
put KOUNT into fld KOUNT
wait 3 ticks
end mouseStillDown

on mouseUp
put empty into fld KOUNT
end mouseUp

Try it, I dare you . . . you get feedback.

Richmond.



Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:


On 05/09/2013 09:01 PM, Mark Wieder wrote:

Ray Horsley ray@... writes:


What am I missing to get drag/drop working consistently?

You might also want to look at



http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-dro
p-
to-the-mat-a-primer


Why do I always just use

on mouseDown
  grab me
end mouseDown

then set up a load of images as dropTargets and have stuff like this in
the grabbedObject:

on mouseUp
  if not within (img target, the mouseloc) then
 set the loc of me to 857,673
  end if
end mouseUp

must be missing something.

Richmond.

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Re: Drag and Drop

[Alejandro Tejada]

Hi Richmmond,


Richmond Mathewson-2 wrote
 [snip]
 So I don't know where you got the idea that this used not to work:
 [snip]

mouseStillDown is not mentioned in this article:
http://www.hyperactivesw.com/resources_polling.html

Why?

Al



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Re: Drag and Drop

[J. Landman Gay]

On 5/10/13 3:17 PM, Alejandro Tejada wrote:

Hi Richmmond,


Richmond Mathewson-2 wrote

[snip]
So I don't know where you got the idea that this used not to work:
[snip]


mouseStillDown is not mentioned in this article:
http://www.hyperactivesw.com/resources_polling.html

Why?


Mostly because it isn't the same thing as polling by script. It's an 
engine message and catching engine messages isn't blocking.


--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: Drag and Drop

[Scott Rossi]

Yup.  Must have been other mouse messages/functions that were tried.  It used 
to be way back that folks would create drag routines that relied on the state 
of the mouse.  But mouse polling was deemed as quite inefficient, and was 
unreliable.  IIRC, this is 
why the grab command was created.  Of course, things have changed a lot in 
LiveCode.

As I said, if it works for you, great.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design

 Original message 
Subject: Re: Drag and Drop 
From: Richmond richmondmathew...@gmail.com 
To: How to use LiveCode use-livecode@lists.runrev.com 
CC:  

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Re: Drag and Drop

[Devin Asay]

On May 9, 2013, at 6:15 AM, Ray Horsley wrote:

 I've never used this feature before and no matter how I set it up it seems 
 kind of sporadic.  The goal is to drag an image file (jpg, jpeg, png, etc.) 
 from the desktop onto a card, get the path to it and ultimately import it 
 into the stack.  I've place an image control on the card which is the same 
 dimensions as the stack itself and scripted the following:
 
 on dragEnter
   set the dragAction to copy  -- this is the sporadic part which only 
 sometimes turns the cursor into a plus thus allowing dragDrop to catch the 
 drop
   pass dragEnter
 end dragEnter
 
 on dragDrop
   put the dragData into curFilePath
   -- continue to import the file
 end dragDrop
 
 This works 'some of the time' but I'm still often unable to drop what I'm 
 dragging since the cursor doesn't always turn into the plus sign.  Each time 
 this happens I try dragging the file again, immediately, and it suddenly 
 works when I didn't change a thing.  What am I missing to get drag/drop 
 working consistently?

Ray,

A while back I needed exactly this. I worked out a process that seems to work 
consistently. Here's what I did:

In the card script:

on dragStart
set the allowableDragActions to move,copy
end dragStart


In the drop target object script (mine happened to be a group):

on dragEnter
set the dragAction to move  # copy might work, too
# these next 3 lines are just eye candy to tell the user that they hit a 
hot spot
set the lineSize of grc dropSpot of me to 3
set the backcolor of grc dropSpot of me to gray
set the icon of btn downArrowBtn to downarrow
end dragEnter

on dragDrop
put the dragData[files] into fld file path

# more eye candy
set the backcolor of grc dropSpot of me to the startingBackColor of grc 
dropSpot of me
set the icon of btn downArrowBtn to downarrowlite
end dragDrop


on dragLeave
# yet more eye candy
set the backcolor of grc dropSpot of me to the startingBackColor of grc 
dropSpot of me
set the icon of btn downArrowBtn to downarrowlite
end dragLeave

As you can see the essential parts of the drag-drop operation are fairly 
minimal and straightforward.

HTH

Devin


Devin Asay
Office of Digital Humanities
Brigham Young University


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Re: Drag and Drop

[Mark Wieder]

Ray Horsley ray@... writes:

 What am I missing to get drag/drop working consistently?

You might also want to look at

http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-drop-to-the-mat-a-primer

-- 
 Mark Wieder
 mwie...@ahsoftware.net





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Re: Drag and Drop

[Richmond]

On 05/09/2013 09:01 PM, Mark Wieder wrote:

Ray Horsley ray@... writes:


What am I missing to get drag/drop working consistently?

You might also want to look at

http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-drop-to-the-mat-a-primer



Why do I always just use

on mouseDown
grab me
end mouseDown

then set up a load of images as dropTargets and have stuff like this in 
the grabbedObject:


on mouseUp
if not within (img target, the mouseloc) then
   set the loc of me to 857,673
end if
end mouseUp

must be missing something.

Richmond.

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Re: Drag and Drop

[Scott Rossi]

Only you can know why you always use that technique, but with grab,
there's no way to act upon events/messages while grab is active (thus you
can't do cursor updates and provide user feedback), and you can't grab
an object across stacks.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:

On 05/09/2013 09:01 PM, Mark Wieder wrote:
 Ray Horsley ray@... writes:

 What am I missing to get drag/drop working consistently?
 You might also want to look at

 
http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-drop-
to-the-mat-a-primer


Why do I always just use

on mouseDown
 grab me
end mouseDown

then set up a load of images as dropTargets and have stuff like this in
the grabbedObject:

on mouseUp
 if not within (img target, the mouseloc) then
set the loc of me to 857,673
 end if
end mouseUp

must be missing something.

Richmond.

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Re: Drag and Drop

[Devin Asay]

 On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:
 
 On 05/09/2013 09:01 PM, Mark Wieder wrote:
 Ray Horsley ray@... writes:
 
 What am I missing to get drag/drop working consistently?
 You might also want to look at
 
 
 http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-drop-
 to-the-mat-a-primer
 
 
 Why do I always just use
 
 on mouseDown
grab me
 end mouseDown
 
 then set up a load of images as dropTargets and have stuff like this in
 the grabbedObject:
 
 on mouseUp
if not within (img target, the mouseloc) then
   set the loc of me to 857,673
end if
 end mouseUp
 
 must be missing something.

Ray wanted to drag files onto stacks. Grab only works on objects inside a 
single stack. 

On May 9, 2013, at 2:07 PM, Scott Rossi wrote:

 Only you can know why you always use that technique, but with grab,
 there's no way to act upon events/messages while grab is active (thus you
 can't do cursor updates and provide user feedback), and you can't grab
 an object across stacks.

That's mostly true, Scott. The only mouse message that gets sent during a grab 
is mouseMove. So you can check location, within() and other things during the 
grab operation and act on them within the mouseMove handler. 

Devin


Devin Asay
Office of Digital Humanities
Brigham Young University


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Re: Drag and Drop

[Richmond]

On 05/09/2013 11:07 PM, Scott Rossi wrote:

Only you can know why you always use that technique,


What? you expect me to know my own mind? LOL.

I use that technique as I tend to use a single stack, or a signle stack 
with associated palettes.



  but with grab,
there's no way to act upon events/messages while grab is active (thus you
can't do cursor updates and provide user feedback), and you can't grab
an object across stacks.


Aha; got you.

Why do I have a funny feeling that you could use

mouseStillDown

to get feedback

Ha, ha,ha . . .  I just made a stack containing a button DRAG ME ABOUT

and a field KOUNT

in the button I have this script:

on mouseDown
   grab me
end mouseDown

on mouseStillDown
   put fld KOUNT into KOUNT
   add 1 to KOUNT
   put KOUNT into fld KOUNT
   wait 3 ticks
end mouseStillDown

on mouseUp
   put empty into fld KOUNT
end mouseUp

Try it, I dare you . . . you get feedback.

Richmond.




Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:


On 05/09/2013 09:01 PM, Mark Wieder wrote:

Ray Horsley ray@... writes:


What am I missing to get drag/drop working consistently?

You might also want to look at


http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-drop-
to-the-mat-a-primer


Why do I always just use

on mouseDown
 grab me
end mouseDown

then set up a load of images as dropTargets and have stuff like this in
the grabbedObject:

on mouseUp
 if not within (img target, the mouseloc) then
set the loc of me to 857,673
 end if
end mouseUp

must be missing something.

Richmond.

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Re: Drag and Drop

[Scott Rossi]

OK, I accepted your dare and was surprised to see that it worked (didn't
used to).  Nice.
Though you're still left with the limitations of working within a single
stack, and no dragging in or out.
But if the technique works for you, awesome.

Speaking as someone who has rolled custom drag-and-drop code (execute in
your message box):
go url http://www.tactilemedia.com/site_files/downloads/TMdragndrop.rev;


...I'll suggest from experience that at some point it will benefit you to
get a handle on the built-in routines.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 5/9/13 1:36 PM, Richmond richmondmathew...@gmail.com wrote:

On 05/09/2013 11:07 PM, Scott Rossi wrote:
 Only you can know why you always use that technique,

What? you expect me to know my own mind? LOL.

I use that technique as I tend to use a single stack, or a signle stack
with associated palettes.

   but with grab,
 there's no way to act upon events/messages while grab is active (thus
you
 can't do cursor updates and provide user feedback), and you can't grab
 an object across stacks.

Aha; got you.

Why do I have a funny feeling that you could use

mouseStillDown

to get feedback

Ha, ha,ha . . .  I just made a stack containing a button DRAG ME ABOUT

and a field KOUNT

in the button I have this script:

on mouseDown
grab me
end mouseDown

on mouseStillDown
put fld KOUNT into KOUNT
add 1 to KOUNT
put KOUNT into fld KOUNT
wait 3 ticks
end mouseStillDown

on mouseUp
put empty into fld KOUNT
end mouseUp

Try it, I dare you . . . you get feedback.

Richmond.



 Regards,

 Scott Rossi
 Creative Director
 Tactile Media, UX/UI Design




 On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:

 On 05/09/2013 09:01 PM, Mark Wieder wrote:
 Ray Horsley ray@... writes:

 What am I missing to get drag/drop working consistently?
 You might also want to look at


 
http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-dro
p-
 to-the-mat-a-primer

 Why do I always just use

 on mouseDown
  grab me
 end mouseDown

 then set up a load of images as dropTargets and have stuff like this in
 the grabbedObject:

 on mouseUp
  if not within (img target, the mouseloc) then
 set the loc of me to 857,673
  end if
 end mouseUp

 must be missing something.

 Richmond.

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Re: Drag and Drop

[Ray Horsley]

Many thanks to you all who responded to this thread I started earlier today.  
Unfortunately I still haven't resolved this issue so any other thought are 
appreciated.  Here's a few responses to some of the ideas which were presented:

   -  The mouseDown and mouseStillDown unfortunately don't work since I'm 
dragging a file from the desktop to a Livecode stack (not beginning the drag 
action in Livecode) although that's kind of cool to know that mouseMove 
messages get sent during a grab.  I didn't know that.

   -  Doing anything with on dragStart also does not work since I'm starting 
the drag operation outside of Livecode (on a desktop file)

   -  Setting the dragAction to copy instead of move works better in my 
case since it adds a plus sign to the cursor (when it works) but still does not 
solve the intermittent failure of Livecode to accept the drop consistently.

   -  Thanks for the link to the article Pinning Drag-and-Drop to the Mat but 
I had actually read through it yesterday when I began wrestling with this.  It, 
too, does not address dragging files from the desktop into Livecode.

At the end of the day I'm wondering if this should be reported as a bug.  It 
seems like something is getting hooked in memory.  It's weird that I can drag a 
file onto my Livecode stack (which is one large image control with the drag 
handlers in it) and get nothing.  Then, simply continuing to drag off the stack 
window and right back on it fixes it.

I'll continue to wrestle and post any solutions I find.

Thanks!

On May 9, 2013, at 4:59 PM, Scott Rossi wrote:

 OK, I accepted your dare and was surprised to see that it worked (didn't
 used to).  Nice.
 Though you're still left with the limitations of working within a single
 stack, and no dragging in or out.
 But if the technique works for you, awesome.
 
 Speaking as someone who has rolled custom drag-and-drop code (execute in
 your message box):
 go url http://www.tactilemedia.com/site_files/downloads/TMdragndrop.rev;
 
 
 ...I'll suggest from experience that at some point it will benefit you to
 get a handle on the built-in routines.
 
 Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX/UI Design
 
 
 
 
 On 5/9/13 1:36 PM, Richmond richmondmathew...@gmail.com wrote:
 
 On 05/09/2013 11:07 PM, Scott Rossi wrote:
 Only you can know why you always use that technique,
 
 What? you expect me to know my own mind? LOL.
 
 I use that technique as I tend to use a single stack, or a signle stack
 with associated palettes.
 
  but with grab,
 there's no way to act upon events/messages while grab is active (thus
 you
 can't do cursor updates and provide user feedback), and you can't grab
 an object across stacks.
 
 Aha; got you.
 
 Why do I have a funny feeling that you could use
 
 mouseStillDown
 
 to get feedback
 
 Ha, ha,ha . . .  I just made a stack containing a button DRAG ME ABOUT
 
 and a field KOUNT
 
 in the button I have this script:
 
 on mouseDown
   grab me
 end mouseDown
 
 on mouseStillDown
   put fld KOUNT into KOUNT
   add 1 to KOUNT
   put KOUNT into fld KOUNT
   wait 3 ticks
 end mouseStillDown
 
 on mouseUp
   put empty into fld KOUNT
 end mouseUp
 
 Try it, I dare you . . . you get feedback.
 
 Richmond.
 
 
 
 Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX/UI Design
 
 
 
 
 On 5/9/13 12:42 PM, Richmond richmondmathew...@gmail.com wrote:
 
 On 05/09/2013 09:01 PM, Mark Wieder wrote:
 Ray Horsley ray@... writes:
 
 What am I missing to get drag/drop working consistently?
 You might also want to look at
 
 
 
 http://lessons.runrev.com/s/lessons/m/4071/l/7124-pinning-drag-and-dro
 p-
 to-the-mat-a-primer
 
 Why do I always just use
 
 on mouseDown
 grab me
 end mouseDown
 
 then set up a load of images as dropTargets and have stuff like this in
 the grabbedObject:
 
 on mouseUp
 if not within (img target, the mouseloc) then
set the loc of me to 857,673
 end if
 end mouseUp
 
 must be missing something.
 
 Richmond.
 
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Re: Drag and Drop

[Mark Wieder]

Ray-

Thursday, May 9, 2013, 5:03:09 PM, you wrote:

-  Thanks for the link to the article Pinning Drag-and-Drop
 to the Mat but I had actually read through it yesterday when I
 began wrestling with this.  It, too, does not address dragging files
 from the desktop into Livecode.

Sorry - I missed that part in your post.

-- 
-Mark Wieder
 mwie...@ahsoftware.net


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Re: Drag and Drop

[J. Landman Gay]

On 5/9/13 7:03 PM, Ray Horsley wrote:


At the end of the day I'm wondering if this should be reported as a
bug.  It seems like something is getting hooked in memory.  It's
weird that I can drag a file onto my Livecode stack (which is one
large image control with the drag handlers in it) and get nothing.
Then, simply continuing to drag off the stack window and right back
on it fixes it.


I wonder if it is because you are dropping onto an image. Images don't 
register mouse events unless you click (or presumably release) on an 
opaque pixel. It may be that sometimes you're dropping onto a 
transparent area and then nothing will happen.


You could test the theory by putting a big button over the card and 
seeing if the drop is reliable there, or by always consciously dropping 
exactly on an opaque area.


--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: Drag and Drop

[Marty Knapp]

I use a transparent button that covers the area I want to be able to 
accept the drop. I use a dragEnter in the stack to show the button and 
then hide it after dropping or exiting. You can give the button a border 
as a visual indicator.


Best regards,
Marty Knapp
Knappster Solutions LLC
---
www.CheckBuilderPro.com



On 5/9/13 7:03 PM, Ray Horsley wrote:


At the end of the day I'm wondering if this should be reported as a
bug.  It seems like something is getting hooked in memory.  It's
weird that I can drag a file onto my Livecode stack (which is one
large image control with the drag handlers in it) and get nothing.
Then, simply continuing to drag off the stack window and right back
on it fixes it.


I wonder if it is because you are dropping onto an image. Images don't 
register mouse events unless you click (or presumably release) on an 
opaque pixel. It may be that sometimes you're dropping onto a 
transparent area and then nothing will happen.


You could test the theory by putting a big button over the card and 
seeing if the drop is reliable there, or by always consciously 
dropping exactly on an opaque area.






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Re: Drag and Drop in a locked field

[André Bisseret]

Bonjour Bob,

In some apps I am using the following script.
It is an adaptation to drap and drop inside one field, of a script from Eric 
Chatonet he had written for drag and drop from one field to another.

Besides the field, this script uses an extra field name tempo which allows to 
see what line one is dragging.

A bug (# 6823) prevented this script to work well in a grouped field (but the 
Slug had writte a workaround).

Seems that now this bug has been fixed : I just tried the script on a grouped 
field and it works.

Best regards from Grenoble

André



--- THE SCRIPT OF THE FIELD ---

local lLineNo,tLaLigne,tStyle, -- script local variable
--
on mouseEnter
set the dragDelta to 5 -- instead of 10 seems to prevent to drag a wrong 
line too often
end mouseEnter
--
on dragMove -- sent repeatedly when the dragdata is within the field
local tContents,tHilitedText
-
put (the mouseV - the top of the target) div the effective textHeight of 
the target into lLineNo -- line number
if lLineNo  the number of lines of the target then put the number of lines 
of the target into lLineNo
-
lock screen
put StripCR(me) into tContents -- see below
put the hilitedText of the target into tHilitedText -- stores highlighted 
line
put cr after line lLineNo of tContents -- creates a blank line
set the text of the target to tContents
set the hilitedLine of the target to lineOffset(tHilitedText,tContents) -- 
restores highlighted line
unlock screen
delete line (the hilitedLine of the target) of the target
end dragMove

on DragLeave -- restores current contents
local tHilitedLine,
---
lock screen
put the hilitedLine of the target into tHilitedLine
put StripCR(me) into the target --
set the hilitedLine of the target to tHilitedLine
unlock screen
end DragLeave
--
on dragEnter -- NÉCESSAIRE DANS LE CONTROL DE DESTINATION
set the dragAction to Move
end dragEnter
--
on dragDrop
local tContents
-
put StripCR(me) into tContents -- see below
if lLineNo = 0 then
put the dragdata[text]  cr before tContents
else
put cr  the dragdata[text] after line lLineNo of tContents
end if
lock screen
set the text of the target to tContents
set the hilitedLine of the target to lLineNo + 1 -- sets highlighted line 
to dropped line
unlock screen
end dragDrop
--
function StripCR pText -- returns 'normal' field's contents
if char 1 of pText = cr then delete char 1 of pText
if char -1 of pText = cr then delete char -1 of pText
replace cr  cr with cr in pText
return pText
end StripCR
-- -
on dragStart --NÉCESSAIRE DANS LE CONTROL SOURCE
set the dragData[text] to the selectedText
put the selectedText of the target into fld Temp -- in order to create 
the right image
-- put tLaLigne into fld Temp
set the dragImage to CreateDragImage() -- see below
set the dragImageOffset to the width of last image div 2,the height of last 
image div 2 -- centered
end dragStart

on dragEnd
delete last image -- we no longer need the drag image
end dragEnd
-
function CreateDragImage -- creates drag image on-the-fly
local tRect,tempImage
-
put the rect of fld Temp into tRect
-
export snapshot from rect tRect of this cd to tempImage as jpeg
-- export image to a variable
lock messages -- important to speed up the process
create invisible image -- we don't want to see it
set the text of last image to tempImage
if there is an image ID 6001 then delete image ID 6001
set the ID of last image to 6001 -- setting dimensions
unlock messages
return the ID of last image -- we need it to set the dragImage property
end CreateDragImage



Le 10 févr. 2012 à 01:35, Bob Sneidar a écrit :

 Hi all. I use locked fields with multiple lines and listBehavior set to true 
 as a kind of menu. Now I am trying to allow the user to rearrange the items 
 in the list. I read in the Dictionary that LC handles drag and drop between 
 *unlocked* fields automatically. Crud. So I tried unlocking the field on 
 mouseDown and then sending mouseDown again in 0 seconds, but that was a bust. 
 I tried just unlocking the field on mouseDown and locking it on mouseUp but 
 that was problematic too. 
 
 Any easy way to implement this? I could use a datagrid I suppose (grumble 
 grumble) but it would be nice if I could just do this with a simple list 
 field. I want to reorder entire lines by dragging and dropping them. 
 
 Bob
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Re: Drag and Drop in a locked field

[Peter M. Brigham, MD]

On Feb 9, 2012, at 7:50 PM, Ken Ray wrote:

 On Feb 9, 2012, at 6:35 PM, Bob Sneidar wrote:
 
 Hi all. I use locked fields with multiple lines and listBehavior set to true 
 as a kind of menu. Now I am trying to allow the user to rearrange the items 
 in the list. I read in the Dictionary that LC handles drag and drop between 
 *unlocked* fields automatically. Crud. So I tried unlocking the field on 
 mouseDown and then sending mouseDown again in 0 seconds, but that was a 
 bust. I tried just unlocking the field on mouseDown and locking it on 
 mouseUp but that was problematic too. 
 
 Any easy way to implement this? I could use a datagrid I suppose (grumble 
 grumble) but it would be nice if I could just do this with a simple list 
 field. I want to reorder entire lines by dragging and dropping them. 
 
 I'm using a variation of Scott Rossi's Get In Line implementation… you can 
 download the stack directly with this URL:
 
   http://www.tactilemedia.com/site_files/downloads/getinline.rev.zip
 
 Scott's got a lot of great tutorials and demos at his site, so you should 
 check out:
 
   http://www.tactilemedia.com/site_files/software/tutorials.html

I use Scott's getinline handlers and I love them. They work like a charm.

-- Peter

Peter M. Brigham
pmb...@gmail.com
http://home.comcast.net/~pmbrig


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Re: Drag and Drop in a locked field

[Bob Sneidar]

Thanks I already went with GetInLine and I like the way it looks. Scott's stuff 
is always visually pleasing. Paypal donation on the way!

Bob


On Feb 10, 2012, at 1:13 AM, André Bisseret wrote:

 Bonjour Bob,
 
 In some apps I am using the following script.
 It is an adaptation to drap and drop inside one field, of a script from Eric 
 Chatonet he had written for drag and drop from one field to another.
 
 Besides the field, this script uses an extra field name tempo which allows 
 to see what line one is dragging.
 
 A bug (# 6823) prevented this script to work well in a grouped field (but the 
 Slug had writte a workaround).
 
 Seems that now this bug has been fixed : I just tried the script on a grouped 
 field and it works.
 
 Best regards from Grenoble
 
 André
 
 
 
 --- THE SCRIPT OF THE FIELD ---
 
 local lLineNo,tLaLigne,tStyle, -- script local variable
 --
 on mouseEnter
set the dragDelta to 5 -- instead of 10 seems to prevent to drag a wrong 
 line too often
 end mouseEnter
 --
 on dragMove -- sent repeatedly when the dragdata is within the field
local tContents,tHilitedText
-
put (the mouseV - the top of the target) div the effective textHeight of 
 the target into lLineNo -- line number
if lLineNo  the number of lines of the target then put the number of 
 lines of the target into lLineNo
-
lock screen
put StripCR(me) into tContents -- see below
put the hilitedText of the target into tHilitedText -- stores highlighted 
 line
put cr after line lLineNo of tContents -- creates a blank line
set the text of the target to tContents
set the hilitedLine of the target to lineOffset(tHilitedText,tContents) -- 
 restores highlighted line
unlock screen
delete line (the hilitedLine of the target) of the target
 end dragMove
 
 on DragLeave -- restores current contents
local tHilitedLine,
---
lock screen
put the hilitedLine of the target into tHilitedLine
put StripCR(me) into the target --
set the hilitedLine of the target to tHilitedLine
unlock screen
 end DragLeave
 --
 on dragEnter -- NÉCESSAIRE DANS LE CONTROL DE DESTINATION
set the dragAction to Move
 end dragEnter
 --
 on dragDrop
local tContents
-
put StripCR(me) into tContents -- see below
if lLineNo = 0 then
put the dragdata[text]  cr before tContents
else
put cr  the dragdata[text] after line lLineNo of tContents
end if
lock screen
set the text of the target to tContents
set the hilitedLine of the target to lLineNo + 1 -- sets highlighted line 
 to dropped line
unlock screen
 end dragDrop
 --
 function StripCR pText -- returns 'normal' field's contents
if char 1 of pText = cr then delete char 1 of pText
if char -1 of pText = cr then delete char -1 of pText
replace cr  cr with cr in pText
return pText
 end StripCR
 -- -
 on dragStart --NÉCESSAIRE DANS LE CONTROL SOURCE
set the dragData[text] to the selectedText
put the selectedText of the target into fld Temp -- in order to create 
 the right image
-- put tLaLigne into fld Temp
set the dragImage to CreateDragImage() -- see below
set the dragImageOffset to the width of last image div 2,the height of 
 last image div 2 -- centered
 end dragStart
 
 on dragEnd
delete last image -- we no longer need the drag image
 end dragEnd
 -
 function CreateDragImage -- creates drag image on-the-fly
local tRect,tempImage
-
put the rect of fld Temp into tRect
-
export snapshot from rect tRect of this cd to tempImage as jpeg
-- export image to a variable
lock messages -- important to speed up the process
create invisible image -- we don't want to see it
set the text of last image to tempImage
if there is an image ID 6001 then delete image ID 6001
set the ID of last image to 6001 -- setting dimensions
unlock messages
return the ID of last image -- we need it to set the dragImage property
 end CreateDragImage
 
 
 
 Le 10 févr. 2012 à 01:35, Bob Sneidar a écrit :
 
 Hi all. I use locked fields with multiple lines and listBehavior set to true 
 as a kind of menu. Now I am trying to allow the user to rearrange the items 
 in the list. I read in the Dictionary that LC handles drag and drop between 
 *unlocked* fields automatically. Crud. So I tried unlocking the field on 
 mouseDown and then sending mouseDown again in 0 seconds, but that was a 
 bust. I tried just unlocking the field on mouseDown and locking it on 
 mouseUp but that was problematic too. 
 
 Any easy way to implement this? I could use a datagrid I 

Re: Drag and Drop in a locked field

[Mark Smith]

slylabs13 wrote
 
 Any easy way to implement this? I could use a datagrid I suppose (grumble
 grumble) but it would be nice if I could just do this with a simple list
 field. I want to reorder entire lines by dragging and dropping them. 
 

Hi Bob, I wrote something to do that awhile back and added the ability
(through a pop-over menu) to add, edit and delete items from the list, and
sort the list up/down. However, bug 7766 prevented the drag drop from
working on x86 and I don't think that problem has been resolved. Just tried
posting the stack (the list is implemented as a group: a scrolling list,
pop-over menu and hidden field so grouping it made it easy to just drag drop
the whole shebang onto a card) into rev online but it stopped responding so
mail me offline if you want me to send you a copy. I'll post it to rev
online once its back up (Enhanced Scrolling List).

-- Mark


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Re: Drag and Drop in a locked field

[Mark Smith]

Sorry, its been awhile since I worked on it and so I should clarify: the 7766
bug only rears its head after using the pop-up menu. If you disable the
pop-up menu option the drag drop works fine on x86.

-- Mark

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Re: Drag and Drop in a locked field

[Bob Sneidar]

Thanks Mark! Bunch of friendlier people I have never known! :-) So far I am 
using Scott's Getinline solution. I like his little drag insert graphic! 

Bob


On Feb 10, 2012, at 12:01 PM, Mark Smith wrote:

 
 slylabs13 wrote
 
 Any easy way to implement this? I could use a datagrid I suppose (grumble
 grumble) but it would be nice if I could just do this with a simple list
 field. I want to reorder entire lines by dragging and dropping them. 
 
 
 Hi Bob, I wrote something to do that awhile back and added the ability
 (through a pop-over menu) to add, edit and delete items from the list, and
 sort the list up/down. However, bug 7766 prevented the drag drop from
 working on x86 and I don't think that problem has been resolved. Just tried
 posting the stack (the list is implemented as a group: a scrolling list,
 pop-over menu and hidden field so grouping it made it easy to just drag drop
 the whole shebang onto a card) into rev online but it stopped responding so
 mail me offline if you want me to send you a copy. I'll post it to rev
 online once its back up (Enhanced Scrolling List).
 
 -- Mark
 
 
 --
 View this message in context: 
 http://runtime-revolution.278305.n4.nabble.com/Drag-and-Drop-in-a-locked-field-tp4374946p4377388.html
 Sent from the Revolution - User mailing list archive at Nabble.com.
 
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Re: Drag and Drop in a locked field

[Ken Ray]

On Feb 9, 2012, at 6:35 PM, Bob Sneidar wrote:

 Hi all. I use locked fields with multiple lines and listBehavior set to true 
 as a kind of menu. Now I am trying to allow the user to rearrange the items 
 in the list. I read in the Dictionary that LC handles drag and drop between 
 *unlocked* fields automatically. Crud. So I tried unlocking the field on 
 mouseDown and then sending mouseDown again in 0 seconds, but that was a bust. 
 I tried just unlocking the field on mouseDown and locking it on mouseUp but 
 that was problematic too. 
 
 Any easy way to implement this? I could use a datagrid I suppose (grumble 
 grumble) but it would be nice if I could just do this with a simple list 
 field. I want to reorder entire lines by dragging and dropping them. 

I'm using a variation of Scott Rossi's Get In Line implementation… you can 
download the stack directly with this URL:

   http://www.tactilemedia.com/site_files/downloads/getinline.rev.zip

Scott's got a lot of great tutorials and demos at his site, so you should check 
out:

   http://www.tactilemedia.com/site_files/software/tutorials.html

Ken Ray
Sons of Thunder Software, Inc.
Email: k...@sonsothunder.com
Web Site: http://www.sonsothunder.com/  

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Re: Drag and Drop in a locked field

[Bob Sneidar]

Thanks I will give it a go. I have it partially working, but I found if I drag 
too fast the engine selects another line before dragStart is triggered. Also I 
had to send dragEnter from the dragStart handler otherwise the process never 
kicked off. I tried sending dragStart in a mouseDown handler, but that didn't 
seem to fix it. Weird. This sort of thing should be automatic in the engine 
IMHO. Seems like a common thing to want to rearrange lines in a list by 
dragging and dropping. 

Bob


On Feb 9, 2012, at 4:50 PM, Ken Ray wrote:

 
 On Feb 9, 2012, at 6:35 PM, Bob Sneidar wrote:
 
 Hi all. I use locked fields with multiple lines and listBehavior set to true 
 as a kind of menu. Now I am trying to allow the user to rearrange the items 
 in the list. I read in the Dictionary that LC handles drag and drop between 
 *unlocked* fields automatically. Crud. So I tried unlocking the field on 
 mouseDown and then sending mouseDown again in 0 seconds, but that was a 
 bust. I tried just unlocking the field on mouseDown and locking it on 
 mouseUp but that was problematic too. 
 
 Any easy way to implement this? I could use a datagrid I suppose (grumble 
 grumble) but it would be nice if I could just do this with a simple list 
 field. I want to reorder entire lines by dragging and dropping them. 
 
 I'm using a variation of Scott Rossi's Get In Line implementation… you can 
 download the stack directly with this URL:
 
   http://www.tactilemedia.com/site_files/downloads/getinline.rev.zip
 
 Scott's got a lot of great tutorials and demos at his site, so you should 
 check out:
 
   http://www.tactilemedia.com/site_files/software/tutorials.html
 
 Ken Ray
 Sons of Thunder Software, Inc.
 Email: k...@sonsothunder.com
 Web Site: http://www.sonsothunder.com/
 
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Re: Drag and drop filetype

[J. Landman Gay]

On 1/14/12 8:07 AM, Randolph Valentine wrote:

Hi, all. I've got a very basic question. After a file is drag-and-dropped,
how can I determine WHAT the dropped item is referring to, e.g., a FOLDER or
a FILE, and if a file, RELIABLY, what KIND of file (e.g., a doc or a wav)?


See dragData in the dictionary. Write a dragDrop handler that checks 
the dragData[files] and you can parse out the lines, which contain the 
file path(s) to the files that were dropped. This works cross platform.


--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: Drag and Drop Between Stacks?

[Pete]

Hi Scott,
Since I don't think files can be attached to messages in this list, I have
sent you an email with an example of how to do this.

I should say that hardly any of the example is my own cleverness, it's an
amalgam of suggestions from several people on this list when I was trying to
figure out how to do this a while back.

Pete
Molly's Revenge http://www.mollysrevenge.com




On Fri, Oct 14, 2011 at 1:37 PM, Scott Rossi sc...@tactilemedia.com wrote:

 Hi List:

 I'm wondering if anybody has an example stack lying that shows how to use
 LC's built-in drag and drop to copy objects between stacks.

 I've been using a home-brewed routine for a few years now which has worked
 fine, but in one project the script is getting very complex, so I'm
 thinking
 it would be worth exploring LC's built-in drag and drop.  The last time I
 tried this, I could not get it to work.  I was told by a list colleague
 that
 copying between stacks involved copying an object to the destination stack
 before initiating the drop to serve as a target which seemed extremely odd
 to me, but in any event, I could never get it to work, and I gave up.

 So, does anyone have a simple example they could share?

 Thanks  Regards,

 Scott Rossi
 Creative Director
 Tactile Media, UX Design



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Re: Drag and Drop Between Stacks?

[Bob Sneidar]

Hi Scott. What are you trying to drag? If it is just text between fields, I 
think that works already. Images and other things however may be a bit more 
trouble. 

Bob


On Oct 14, 2011, at 1:37 PM, Scott Rossi wrote:

 Hi List:
 
 I'm wondering if anybody has an example stack lying that shows how to use
 LC's built-in drag and drop to copy objects between stacks.
 
 I've been using a home-brewed routine for a few years now which has worked
 fine, but in one project the script is getting very complex, so I'm thinking
 it would be worth exploring LC's built-in drag and drop.  The last time I
 tried this, I could not get it to work.  I was told by a list colleague that
 copying between stacks involved copying an object to the destination stack
 before initiating the drop to serve as a target which seemed extremely odd
 to me, but in any event, I could never get it to work, and I gave up.
 
 So, does anyone have a simple example they could share?
 
 Thanks  Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX Design
 
 
 
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Re: Drag and Drop Between Stacks?

[René Micout]

Hello Scott,
See Rev Online  my stack  HUD Panel Factory.
It is an (Macintosh) example of drag  drop of a group...
Open script...
Bon souvenir de Paris
René

Le 14 oct. 2011 à 22:37, Scott Rossi a écrit :

 Hi List:
 
 I'm wondering if anybody has an example stack lying that shows how to use
 LC's built-in drag and drop to copy objects between stacks.
 
 I've been using a home-brewed routine for a few years now which has worked
 fine, but in one project the script is getting very complex, so I'm thinking
 it would be worth exploring LC's built-in drag and drop.  The last time I
 tried this, I could not get it to work.  I was told by a list colleague that
 copying between stacks involved copying an object to the destination stack
 before initiating the drop to serve as a target which seemed extremely odd
 to me, but in any event, I could never get it to work, and I gave up.
 
 So, does anyone have a simple example they could share?
 
 Thanks  Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX Design
 
 
 
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Re: Drag and Drop Between Stacks?

[René Micout]

You can see also my two other contribution on Rev Online :
- Spinner Store
- Circular Slider Store
all drag  drop capable...
René

Le 15 oct. 2011 à 01:11, René Micout a écrit :

 Hello Scott,
 See Rev Online  my stack  HUD Panel Factory.
 It is an (Macintosh) example of drag  drop of a group...
 Open script...
 Bon souvenir de Paris
 René
 
 Le 14 oct. 2011 à 22:37, Scott Rossi a écrit :
 
 Hi List:
 
 I'm wondering if anybody has an example stack lying that shows how to use
 LC's built-in drag and drop to copy objects between stacks.
 
 I've been using a home-brewed routine for a few years now which has worked
 fine, but in one project the script is getting very complex, so I'm thinking
 it would be worth exploring LC's built-in drag and drop.  The last time I
 tried this, I could not get it to work.  I was told by a list colleague that
 copying between stacks involved copying an object to the destination stack
 before initiating the drop to serve as a target which seemed extremely odd
 to me, but in any event, I could never get it to work, and I gave up.
 
 So, does anyone have a simple example they could share?
 
 Thanks  Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX Design
 
 
 
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Re: Drag and Drop Between Stacks?

[Scott Rossi]

Thanks to all the folks who replied with drag and drop options.  Pete's
script was the most easy to get into (he sent it to me), and it looks like
what I need.  The only remaining question I had was found in the
dragDestination, so all is well.

Thanks  Regards,

Scott Rossi
Creative Director
Tactile Media, UX Design



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Re: Drag and Drop Between Stacks?

[Ken Ray]

On Oct 14, 2011, at 7:06 PM, Scott Rossi wrote:

 Thanks to all the folks who replied with drag and drop options.  Pete's
 script was the most easy to get into (he sent it to me), and it looks like
 what I need.  The only remaining question I had was found in the
 dragDestination, so all is well.

Pete, could you post your code (or the stack somewhere) so others could get the 
benefit of your experience?

Thanks,

Ken Ray
Sons of Thunder Software, Inc.
Email: k...@sonsothunder.com
Web Site: http://www.sonsothunder.com/  

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Re: Drag and Drop Between Stacks?

[Pete]

Absolutely Ken, I want to share it.  I'm just not sure where to put the
stack - is there somewhere this list has access to for files?  If not, I
think I have a dropbox account from way back.
Pete
Molly's Revenge http://www.mollysrevenge.com




On Fri, Oct 14, 2011 at 6:53 PM, Ken Ray k...@sonsothunder.com wrote:


 On Oct 14, 2011, at 7:06 PM, Scott Rossi wrote:

  Thanks to all the folks who replied with drag and drop options.  Pete's
  script was the most easy to get into (he sent it to me), and it looks
 like
  what I need.  The only remaining question I had was found in the
  dragDestination, so all is well.

 Pete, could you post your code (or the stack somewhere) so others could get
 the benefit of your experience?

 Thanks,

 Ken Ray
 Sons of Thunder Software, Inc.
 Email: k...@sonsothunder.com
 Web Site: http://www.sonsothunder.com/

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RE: Drag and Drop Between Stacks?

[Mark Smith]

Why not put it in the User Samples in revOnline? It's available from the IDE 
menu bar

- Mark



From: use-livecode-boun...@lists.runrev.com 
[use-livecode-boun...@lists.runrev.com] On Behalf Of Pete 
[p...@mollysrevenge.com]
Sent: Friday, October 14, 2011 9:34 PM
To: How to use LiveCode
Subject: Re: Drag and Drop Between Stacks?

Absolutely Ken, I want to share it.  I'm just not sure where to put the
stack - is there somewhere this list has access to for files?  If not, I
think I have a dropbox account from way back.
Pete
Molly's Revenge http://www.mollysrevenge.com




On Fri, Oct 14, 2011 at 6:53 PM, Ken Ray k...@sonsothunder.com wrote:


 On Oct 14, 2011, at 7:06 PM, Scott Rossi wrote:

  Thanks to all the folks who replied with drag and drop options.  Pete's
  script was the most easy to get into (he sent it to me), and it looks
 like
  what I need.  The only remaining question I had was found in the
  dragDestination, so all is well.

 Pete, could you post your code (or the stack somewhere) so others could get
 the benefit of your experience?

 Thanks,

 Ken Ray
 Sons of Thunder Software, Inc.
 Email: k...@sonsothunder.com
 Web Site: http://www.sonsothunder.com/

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Re: Drag and Drop Between Stacks?

[Roger Eller]

On Fri, Oct 14, 2011 at 10:34 PM, Pete wrote:

 Absolutely Ken, I want to share it.  I'm just not sure where to put the
 stack - is there somewhere this list has access to for files?  If not, I
 think I have a dropbox account from way back.
 Pete
 Molly's Revenge http://www.mollysrevenge.com




 On Fri, Oct 14, 2011 at 6:53 PM, Ken Ray k...@sonsothunder.com wrote:

 
  On Oct 14, 2011, at 7:06 PM, Scott Rossi wrote:
 
   Thanks to all the folks who replied with drag and drop options.  Pete's
   script was the most easy to get into (he sent it to me), and it looks
  like
   what I need.  The only remaining question I had was found in the
   dragDestination, so all is well.
 
  Pete, could you post your code (or the stack somewhere) so others could
 get
  the benefit of your experience?
 
  Thanks,
 
  Ken Ray
  Sons of Thunder Software, Inc.
  Email: k...@sonsothunder.com
  Web Site: http://www.sonsothunder.com/


RevOnline is a great place for example stacks.

˜Roger
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Re: Drag and Drop Between Stacks?

[Pete]

Here's a link to the stack on box.net:

http://www.box.net/shared/o8zaqami56aaqpbg76g8

I doubt there's anything earth shattering in there!  SCott - I made a couple
of minot changes to the scripts in this stack - nothing functional, just
tidied up a couple of things.

In my use of this functionality, when the control is dropped on the card, I
put up more dialogs to configure whatever type of control it is.

Pete
Molly's Revenge http://www.mollysrevenge.com




On Fri, Oct 14, 2011 at 6:53 PM, Ken Ray k...@sonsothunder.com wrote:


 On Oct 14, 2011, at 7:06 PM, Scott Rossi wrote:

  Thanks to all the folks who replied with drag and drop options.  Pete's
  script was the most easy to get into (he sent it to me), and it looks
 like
  what I need.  The only remaining question I had was found in the
  dragDestination, so all is well.

 Pete, could you post your code (or the stack somewhere) so others could get
 the benefit of your experience?

 Thanks,

 Ken Ray
 Sons of Thunder Software, Inc.
 Email: k...@sonsothunder.com
 Web Site: http://www.sonsothunder.com/

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Re: Drag and Drop Between Stacks?

[Pete]

Thanks Mark.  As you'll see I just put it on box.net, but I'll put it on
User Samples also.
Pete
Molly's Revenge http://www.mollysrevenge.com




On Fri, Oct 14, 2011 at 7:46 PM, Mark Smith mark_sm...@cpe.umanitoba.cawrote:

 Why not put it in the User Samples in revOnline? It's available from the
 IDE menu bar

 - Mark


 
 From: use-livecode-boun...@lists.runrev.com [
 use-livecode-boun...@lists.runrev.com] On Behalf Of Pete [
 p...@mollysrevenge.com]
 Sent: Friday, October 14, 2011 9:34 PM
 To: How to use LiveCode
 Subject: Re: Drag and Drop Between Stacks?

 Absolutely Ken, I want to share it.  I'm just not sure where to put the
 stack - is there somewhere this list has access to for files?  If not, I
 think I have a dropbox account from way back.
 Pete
 Molly's Revenge http://www.mollysrevenge.com




 On Fri, Oct 14, 2011 at 6:53 PM, Ken Ray k...@sonsothunder.com wrote:

 
  On Oct 14, 2011, at 7:06 PM, Scott Rossi wrote:
 
   Thanks to all the folks who replied with drag and drop options.  Pete's
   script was the most easy to get into (he sent it to me), and it looks
  like
   what I need.  The only remaining question I had was found in the
   dragDestination, so all is well.
 
  Pete, could you post your code (or the stack somewhere) so others could
 get
  the benefit of your experience?
 
  Thanks,
 
  Ken Ray
  Sons of Thunder Software, Inc.
  Email: k...@sonsothunder.com
  Web Site: http://www.sonsothunder.com/
 
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Re: Drag and Drop Text into a field

[Peter M. Brigham, MD]

You could set a customprop of the field control on mouseleave:

on mouseleave
   set the uSelChunk of me to the selectedchunk
end mouseleave

then in your dragdrop handler:

put the uSelChunk of fld targetField into selCh
put word 2 of selCh into startChar
put word 4 of selCh into endChar
put the clipboardData[text] into char startChar to endChar of fld 
targetField

-- Peter

Peter M. Brigham
pmb...@gmail.com
http://home.comcast.net/~pmbrig


On Sep 26, 2011, at 2:37 PM, Pete wrote:

 I'm trying to find a way to drag and drop text from a datagrid into a field
 control.  If no text is selected in the field control, the text should be
 inserted at the insertion point; if text is selected, the dragged text
 should replace the selected text.
 
 The way I'm doing this is:
 
 - The dragStart handler for the datagrid places the text I want to insert
 into the clipboardData[text]
 - The dragEnter handler for the field control sets the focus on the field
 control
 - The dragDrop handler for the field control issues a paste command
 
 That all works fine when no text is selected in the field control, LC
 appears to remember where the insertion is in the field control.  However,
 let's say I select some text in the field control.  As soon as I click on a
 line in the datagrid to start the drag/drop operation, the text is no longer
 selected in the field control and when I drop the text into the field
 control it is inserted at what was the end point of the text I had
 originally selected.
 
 To illustrate, if the field control contains This is my Text and I select
 the word my, then drag the text your to the field Control, it will be
 inserted right after my instead of replacing it.
 
 Am I setting about this the wrong way or can this approach be made to work
 somehow?
 
 Thanks,
 
 Pete
 Molly's Revenge http://www.mollysrevenge.com
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Re: Drag and Drop Text into a field

[Pete]

Thanks Peter, that sounds like it should work, I guess I'd assumed that LC
would remember the selected text.

The dictionary says that if no text is selected, the end char part of the
selectedChunk is less than the startchar so I guess I'll need to check for
that so that a normal insert works.

Pete
Molly's Revenge http://www.mollysrevenge.com




On Mon, Sep 26, 2011 at 1:01 PM, Peter M. Brigham, MD pmb...@gmail.comwrote:

 You could set a customprop of the field control on mouseleave:

 on mouseleave
   set the uSelChunk of me to the selectedchunk
 end mouseleave

 then in your dragdrop handler:

 put the uSelChunk of fld targetField into selCh
 put word 2 of selCh into startChar
 put word 4 of selCh into endChar
 put the clipboardData[text] into char startChar to endChar of fld
 targetField

 -- Peter

 Peter M. Brigham
 pmb...@gmail.com
 http://home.comcast.net/~pmbrig


 On Sep 26, 2011, at 2:37 PM, Pete wrote:

  I'm trying to find a way to drag and drop text from a datagrid into a
 field
  control.  If no text is selected in the field control, the text should be
  inserted at the insertion point; if text is selected, the dragged text
  should replace the selected text.
 
  The way I'm doing this is:
 
  - The dragStart handler for the datagrid places the text I want to insert
  into the clipboardData[text]
  - The dragEnter handler for the field control sets the focus on the field
  control
  - The dragDrop handler for the field control issues a paste command
 
  That all works fine when no text is selected in the field control, LC
  appears to remember where the insertion is in the field control.
  However,
  let's say I select some text in the field control.  As soon as I click on
 a
  line in the datagrid to start the drag/drop operation, the text is no
 longer
  selected in the field control and when I drop the text into the field
  control it is inserted at what was the end point of the text I had
  originally selected.
 
  To illustrate, if the field control contains This is my Text and I
 select
  the word my, then drag the text your to the field Control, it will be
  inserted right after my instead of replacing it.
 
  Am I setting about this the wrong way or can this approach be made to
 work
  somehow?
 
  Thanks,
 
  Pete
  Molly's Revenge http://www.mollysrevenge.com
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Re: Drag and Drop Text into a field

[Peter M. Brigham, MD]

On Sep 26, 2011, at 4:51 PM, Pete wrote:

 Thanks Peter, that sounds like it should work, I guess I'd assumed that LC
 would remember the selected text.
 
 The dictionary says that if no text is selected, the end char part of the
 selectedChunk is less than the startchar so I guess I'll need to check for
 that so that a normal insert works.

No need. If you have an insertion point after char 5 of a field, the 
selectedchunk is char 6 to 5 of fld targetField, and putting a text string 
into char 6 to 5 of fld targetField will insert the text after char 5 of the 
field, Ie, where the insertion point was.

-- Peter

Peter M. Brigham
pmb...@gmail.com
http://home.comcast.net/~pmbrig


 On Mon, Sep 26, 2011 at 1:01 PM, Peter M. Brigham, MD pmb...@gmail.comwrote:
 
 You could set a customprop of the field control on mouseleave:
 
 on mouseleave
  set the uSelChunk of me to the selectedchunk
 end mouseleave
 
 then in your dragdrop handler:
 
 put the uSelChunk of fld targetField into selCh
 put word 2 of selCh into startChar
 put word 4 of selCh into endChar
 put the clipboardData[text] into char startChar to endChar of fld
 targetField
 
 -- Peter
 
 Peter M. Brigham
 pmb...@gmail.com
 http://home.comcast.net/~pmbrig
 
 
 On Sep 26, 2011, at 2:37 PM, Pete wrote:
 
 I'm trying to find a way to drag and drop text from a datagrid into a
 field
 control.  If no text is selected in the field control, the text should be
 inserted at the insertion point; if text is selected, the dragged text
 should replace the selected text.
 
 The way I'm doing this is:
 
 - The dragStart handler for the datagrid places the text I want to insert
 into the clipboardData[text]
 - The dragEnter handler for the field control sets the focus on the field
 control
 - The dragDrop handler for the field control issues a paste command
 
 That all works fine when no text is selected in the field control, LC
 appears to remember where the insertion is in the field control.
 However,
 let's say I select some text in the field control.  As soon as I click on
 a
 line in the datagrid to start the drag/drop operation, the text is no
 longer
 selected in the field control and when I drop the text into the field
 control it is inserted at what was the end point of the text I had
 originally selected.
 
 To illustrate, if the field control contains This is my Text and I
 select
 the word my, then drag the text your to the field Control, it will be
 inserted right after my instead of replacing it.
 
 Am I setting about this the wrong way or can this approach be made to
 work
 somehow?
 
 Thanks,
 
 Pete
 Molly's Revenge http://www.mollysrevenge.com
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Re: Drag and Drop Text into a field

[Pete]

As a follow up, is there a way to keep the selected text highlighted when
the field loses focus?  Right now, there's no visual indication when the new
text is dragged into the field that it will replace some of the existing
text rather than be inserted.

The standard for this seems to be that when a filed loses focus, the
selected text is shown with a light grey background instead of a blue
background.

Pete
Molly's Revenge http://www.mollysrevenge.com




On Mon, Sep 26, 2011 at 1:01 PM, Peter M. Brigham, MD pmb...@gmail.comwrote:

 You could set a customprop of the field control on mouseleave:

 on mouseleave
   set the uSelChunk of me to the selectedchunk
 end mouseleave

 then in your dragdrop handler:

 put the uSelChunk of fld targetField into selCh
 put word 2 of selCh into startChar
 put word 4 of selCh into endChar
 put the clipboardData[text] into char startChar to endChar of fld
 targetField

 -- Peter

 Peter M. Brigham
 pmb...@gmail.com
 http://home.comcast.net/~pmbrig


 On Sep 26, 2011, at 2:37 PM, Pete wrote:

  I'm trying to find a way to drag and drop text from a datagrid into a
 field
  control.  If no text is selected in the field control, the text should be
  inserted at the insertion point; if text is selected, the dragged text
  should replace the selected text.
 
  The way I'm doing this is:
 
  - The dragStart handler for the datagrid places the text I want to insert
  into the clipboardData[text]
  - The dragEnter handler for the field control sets the focus on the field
  control
  - The dragDrop handler for the field control issues a paste command
 
  That all works fine when no text is selected in the field control, LC
  appears to remember where the insertion is in the field control.
  However,
  let's say I select some text in the field control.  As soon as I click on
 a
  line in the datagrid to start the drag/drop operation, the text is no
 longer
  selected in the field control and when I drop the text into the field
  control it is inserted at what was the end point of the text I had
  originally selected.
 
  To illustrate, if the field control contains This is my Text and I
 select
  the word my, then drag the text your to the field Control, it will be
  inserted right after my instead of replacing it.
 
  Am I setting about this the wrong way or can this approach be made to
 work
  somehow?
 
  Thanks,
 
  Pete
  Molly's Revenge http://www.mollysrevenge.com
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Re: Drag and Drop Text into a field

[Pete]

OK, thanks.
Pete
Molly's Revenge http://www.mollysrevenge.com




On Mon, Sep 26, 2011 at 2:09 PM, Peter M. Brigham, MD pmb...@gmail.comwrote:


 On Sep 26, 2011, at 4:51 PM, Pete wrote:

  Thanks Peter, that sounds like it should work, I guess I'd assumed that
 LC
  would remember the selected text.
 
  The dictionary says that if no text is selected, the end char part of the
  selectedChunk is less than the startchar so I guess I'll need to check
 for
  that so that a normal insert works.

 No need. If you have an insertion point after char 5 of a field, the
 selectedchunk is char 6 to 5 of fld targetField, and putting a text
 string into char 6 to 5 of fld targetField will insert the text after char
 5 of the field, Ie, where the insertion point was.

 -- Peter

 Peter M. Brigham
 pmb...@gmail.com
 http://home.comcast.net/~pmbrig


  On Mon, Sep 26, 2011 at 1:01 PM, Peter M. Brigham, MD pmb...@gmail.com
 wrote:
 
  You could set a customprop of the field control on mouseleave:
 
  on mouseleave
   set the uSelChunk of me to the selectedchunk
  end mouseleave
 
  then in your dragdrop handler:
 
  put the uSelChunk of fld targetField into selCh
  put word 2 of selCh into startChar
  put word 4 of selCh into endChar
  put the clipboardData[text] into char startChar to endChar of fld
  targetField
 
  -- Peter
 
  Peter M. Brigham
  pmb...@gmail.com
  http://home.comcast.net/~pmbrig
 
 
  On Sep 26, 2011, at 2:37 PM, Pete wrote:
 
  I'm trying to find a way to drag and drop text from a datagrid into a
  field
  control.  If no text is selected in the field control, the text should
 be
  inserted at the insertion point; if text is selected, the dragged text
  should replace the selected text.
 
  The way I'm doing this is:
 
  - The dragStart handler for the datagrid places the text I want to
 insert
  into the clipboardData[text]
  - The dragEnter handler for the field control sets the focus on the
 field
  control
  - The dragDrop handler for the field control issues a paste command
 
  That all works fine when no text is selected in the field control, LC
  appears to remember where the insertion is in the field control.
  However,
  let's say I select some text in the field control.  As soon as I click
 on
  a
  line in the datagrid to start the drag/drop operation, the text is no
  longer
  selected in the field control and when I drop the text into the field
  control it is inserted at what was the end point of the text I had
  originally selected.
 
  To illustrate, if the field control contains This is my Text and I
  select
  the word my, then drag the text your to the field Control, it will
 be
  inserted right after my instead of replacing it.
 
  Am I setting about this the wrong way or can this approach be made to
  work
  somehow?
 
  Thanks,
 
  Pete
  Molly's Revenge http://www.mollysrevenge.com
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Re: Drag and Drop Row Arrangement in DataGrid

[Bob Sneidar]

Yes, but that is not what is keeping you from doing drag and drop operations. 
You have to code your drag and drop. Zryip's Data Grid Helper has, among a 
great many other benefits, the ability to add a drag and drop script for you. 

It does beg the question though, whether or not a drag and drop in a sorted 
datagrid will disable the sort! It certainly should! You can probably handle 
this in your dragDrop or dragReorderDrop handler. 

Bob


On Mar 3, 2011, at 8:28 AM, RevList wrote:

 I don't know if this is possible or not, but I thought I would ask.
 If you turn off sorting in a datagrid, is it possible to do drag and drop
 rearranging of rows?
 Has anyone done this?
 Is there a lesson on this, or does someone have a sample stack that would
 demonstrate this?
 
 Thank in advance.
 
 **
 Stewart Lynch
 CreaTECH Solutions
 sly...@createchsol.com
 604.484.8499
 Skype:StewartLynch
 
 There are only 10 kinds of people.  Those who understand binary and those
 who don't.
 **
 
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Re: Drag and Drop Row Arrangement in DataGrid

[RevList]

Bob Sneidar b...@twft.com on March 3, 2011 at 9:11 AM -0800 wrote:
Yes, but that is not what is keeping you from doing drag and drop
operations. You have to code your drag and drop. Zryip's Data Grid Helper
has, among a great many other benefits, the ability to add a drag and
drop script for you. 

It does beg the question though, whether or not a drag and drop in a
sorted datagrid will disable the sort! It certainly should! You can
probably handle this in your dragDrop or dragReorderDrop handler. 

I have Data Grid Helper, but as you point out, it is the code that is
holding me back.  I am not at all clear how to implement this and was
hoping that there was a sample stack out there somewhere where someone had
already done this, and I can learn from it.

Stewart

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Re: Drag and Drop Row Arrangement in DataGrid

[RevList]

I wrote on March 3, 2011 at 10:28 AM -0800 wrote:
I have Data Grid Helper, but as you point out, it is the code that is
holding me back.  I am not at all clear how to implement this and was
hoping that there was a sample stack out there somewhere where someone had
already done this, and I can learn from it.

Nevermind.  I just went back to my Developer Conference DVD set from
RunRev Live 09 and found Trevor's Advanced Data Grid techniques video.  It
shows me exactly what I need to know.

BTW, this video is excellent to help one understand how data grids work
and what is going on behind the scene.

Stewart

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Re: Drag and Drop Row Arrangement in DataGrid

[Bob Sneidar]

I just tried this on my own DataGrid and I was able to drag and drop with a 
column sort enabled. When I do this, the column sort property is still set, but 
the column is unsorted, so this does not happen auto-magically. 

I think the key then is to set the Sort By Column property to empty before you 
change the contents of the datagrid. You would do this in the DragDrop or the 
dragReorderDrop handler of the destination datagrid. (You can only use one or 
the other in a script one takes priority, I think it's dragReorderDrop). 

What is rather unfortunate at this time is that the API on lessons.runrev.com 
list this command under data grid properties, and then not the actual name of 
the command, without spaces. I give you: 

sort by column
- The column that the table data is currently being sorted by. You can set this 
property to sort by a new column.

You would use:
sortByColumn empty to set the sort to nothing. Otherwise, if you do something 
like set the dgText (or dgData if I am not mistaken) the refresh will sort the 
datagrid which is probably not the behavior you want in a drag and drop 
situation. 

So my dragReorderDrop handler looks like this. Keep in mind I have modified it 
to work for dragging and dropping a single cell in a single column. But the 
relevant code is that I issue the command sortByColumn empty just before I 
modify the data in the datagrid. 

on DragReorderDrop pOriginatingIndex, pStartLine, pDroppedOnLine
local tTheDragData
put the dragData[private] into tTheDragData
put the dragsource into theSource
put the dragdestination into theDestination

## Reorder Items
-- We don't want to move whole lines, only the items in a column
-- get the control the user clicked on
put line 2 of tTheDragData into theControlID
put word 1 of the short name of theControlID into theColumn

put the dgIndex of thesource into theSourceID
put the dgIndex of thedestination into theDestinationID
 
put the dgDataOfIndex[theSourceID] of me into aSourceData
put the dgDataOfIndex[theDestinationID] of me into aDestinationData

if aSourceData is not an array or aDestinationData is not an array then
answer What the hell is going on here??!?   cr  \
theSource  cr  theDestination with I have no idea!!!
end if

sortByColumn empty -- the magical line of code  
put aSourceData[theColumn] into temp
put aDestinationData[theColumn] into aSourceData[theColumn]
put temp into aDestinationData[theColumn]
set the dgDataOfIndex[theSourceID] of me to aSourceData
set the dgDataOfIndex[theDestinationID] of me to aDestinationData
end DragReorderDrop

BTW if you use the message box to issue the command:

edit the script of the behavior of group dgMyDataGrid 

You can see what is going on behind the scenes and find out all the stuff you 
can do with a data grid. I am learning a lot that way. 

Bob
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Re: Drag and drop a Bookmark

[Thomas Bähler]

 Is this under Windows? Because on OSX I get the URL and not the title when
 dragging bookmarks from both Safari and Firefox into a Livecode field. In
 fact from memory, to get the title on a Mac you need to grab the url, load
 it and then parse the text between the title tags.

Hi Terry
It's on Mac with the Opera browser. With Safari I get indeed the URL (?).


 on dragenter
   set the acceptdrop to true
 end dragenter


 on dragdrop
put url (the dragData) into theHTML
put offset(title,theHTML)+7 into b
put offset(/title,theHTML)-1 into z
put char b to z of theHTML into me
put cr  the dragData after me --the URL itself
 end dragdrop

Thanks Marty,
That script works fine - with Safari. With Opera I get only the title.
On the other hand: when I drag the URL out of the browser (grabing it by the 
favicon) and drop it on the desktop, I get a file with the title as the 
filename (Safari) and the URL as the filename (Opera)???

By the way (LiveCode dictionary):
...The acceptDrop property is deprecated as of version 2.9. Setting the 
acceptDrop to true is equivalent to setting the dragAction to copy.

I have to do more research tomorrow
Thomas

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Re: Drag and drop a Bookmark

[Terry Judd]

On 1/03/11 9:02 AM, Thomas Bähler toel...@swissonline.ch wrote:

 Is this under Windows? Because on OSX I get the URL and not the title when
 dragging bookmarks from both Safari and Firefox into a Livecode field. In
 fact from memory, to get the title on a Mac you need to grab the url, load
 it and then parse the text between the title tags.
 
 Hi Terry
 It's on Mac with the Opera browser. With Safari I get indeed the URL (?).

Yeah - it's almost as if Opera's bookmarks have been implemented 'the wrong
way around'. There doesn't seem to be any obvious way to get the url by
dragging a bookmark directly from Opera to Livecode.

Terry...

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Re: Drag and drop a Bookmark

[Terry Judd]

Is this under Windows? Because on OSX I get the URL and not the title when
dragging bookmarks from both Safari and Firefox into a Livecode field. In
fact from memory, to get the title on a Mac you need to grab the url, load
it and then parse the text between the title tags.

Terry...


On 28/02/11 7:15 AM, Thomas Bähler toel...@swissonline.ch wrote:

 Hi
 I'd like to drag a bookmark off a browser and drop it in a field in LiveCode.
 So far I get only the titel of the bookmark in the field but not the URL. For
 instance, I get iGoogle but I would like to get http://www.google.com/ig;.
 Or even better, I want to retrieve both chunks. How do I do this?
 
 Thanks
 Thomas
 
 
 
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Medical Education Unit
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The University of Melbourne



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Re: Drag and drop a Bookmark

[Marty Knapp]

My script assumes that you've saved the webloc to disk. If you drag and 
drop right off the browser window it will just get the url. In that 
case, you could then grab the url and parse it for the Title tag.


Marty

Hey Thomas,

You need to get the contents of the dragData. Here's a quick a dirty 
script that will put the name of the bookmark on line 1 and the url on 
line 2. Put this in the field script:


on dragenter
  set the acceptdrop to true
end dragenter

on dragdrop
   set the itemDelimiter to /
   put item -1 of the dragData  cr into me
   put url(file:  the dragdata) into tData
   get lineOffset(string,tData)
   put char 10 to -10 of line it of tData after me
end dragdrop

Marty Knapp

Hi
I'd like to drag a bookmark off a browser and drop it in a field in 
LiveCode. So far I get only the titel of the bookmark in the field 
but not the URL. For instance, I get iGoogle but I would like to 
get http://www.google.com/ig;. Or even better, I want to retrieve 
both chunks. How do I do this?


Thanks
Thomas



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Re: Drag and drop a Bookmark

[Marty Knapp]

I just realized I forgot to insert the script (time to go to bed!) This 
is to drag right from the browser to a field:


on dragdrop
   put url (the dragData) into theHTML
   put offset(title,theHTML)+7 into b
   put offset(/title,theHTML)-1 into z
   put char b to z of theHTML into me
   put cr  the dragData after me --the URL itself
end dragdrop

One problem would be if there is no Title tag and the format of the tags 
may vary a bit.


Marty

Hey Thomas,

You need to get the contents of the dragData. Here's a quick a dirty 
script that will put the name of the bookmark on line 1 and the url on 
line 2. Put this in the field script:


on dragenter
  set the acceptdrop to true
end dragenter

on dragdrop
   set the itemDelimiter to /
   put item -1 of the dragData  cr into me
   put url(file:  the dragdata) into tData
   get lineOffset(string,tData)
   put char 10 to -10 of line it of tData after me
end dragdrop

Marty Knapp

Hi
I'd like to drag a bookmark off a browser and drop it in a field in 
LiveCode. So far I get only the titel of the bookmark in the field 
but not the URL. For instance, I get iGoogle but I would like to 
get http://www.google.com/ig;. Or even better, I want to retrieve 
both chunks. How do I do this?


Thanks
Thomas


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Re: Drag and Drop

[Richard Gaskin]

Peter Haworth wrote:


I'm not sure what changed.  It seems to be inconsistent as to whether the 
snapback happens or not but most of the time it does.

Pete Haworth

On Feb 8, 2011, at 10:22 PM, Thierry wrote:


And Peter, what was working when you answered my mail,
and then has changed ?


On this I would go with Ben Beaumont's analysis, since he's working 
side-by-side with the engine team and has an understanding of what it's 
doing under the hood in a way we can't know from the outside:


http://lists.runrev.com/pipermail/use-livecode/2011-February/152813.html

--
 Richard Gaskin
 Fourth World
 LiveCode training and consulting: http://www.fourthworld.com
 Webzine for LiveCode developers: http://www.LiveCodeJournal.com
 LiveCode Journal blog: http://LiveCodejournal.com/blog.irv

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Re: Drag and Drop

[Peter Haworth]

I'm a Mac with OSX 10.6, LC 4.5.3

Pete Haworth

On Feb 8, 2011, at 11:45 PM, Thierry wrote:

 
 Le 9 févr. 2011 à 08:28, Peter Haworth a écrit :
 
 I'm not sure what changed.  It seems to be inconsistent as to whether the 
 snapback happens or not but most of the time it does.
 
 
 Thanks,
 
 Obviously, we're running on different contexts...
 
 Thierry
 
 
 Pete Haworth
 
 On Feb 8, 2011, at 10:22 PM, Thierry wrote:
 
 And Peter, what was working when you answered my mail,
 and then has changed ?
 
 
 
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Re: Drag and Drop

[Peter Haworth]

I can confirm that Ben's workaround fixes the problem.

Pete Haworth

On Feb 9, 2011, at 6:08 AM, Richard Gaskin wrote:

 On this I would go with Ben Beaumont's analysis, since he's working 
 side-by-side with the engine team and has an understanding of what it's doing 
 under the hood in a way we can't know from the outside:


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Re: Drag and Drop

[Richard Gaskin]

Peter Haworth wrote:

 I guess I should look again at the IDE script and see what it does
 after a control has been dropped onto a card, I bet that would
 reveal all!

Maybe.

The Rev IDE drag-and-drop routines were written before the overhaul of 
the drag-and-drop syntax which has since simplified messaging and 
allowed us to set the dragImage and dragImageOffsets.


This quick example shows one way to use the more recent syntax to 
drag-copy and object from one window to another without having to use an 
intermediary translucent stack to simulate the drag image:


go url http://www.fourthworldlabs.com/rev/drag.rev;

It inserts a frontScript to track the dragMove message, doing the window 
hit testing there, removing the script when the action is done.


The only problem I can find with this approach is that it snaps back 
the dragImage to the source, even though the allowDrop has been set to true.


I've seen this anomaly with other drag actions as well - if anyone here 
knows a reliable way to prevent that I'm be most grateful.


--
 Richard Gaskin
 Fourth World
 LiveCode training and consulting: http://www.fourthworld.com
 Webzine for LiveCode developers: http://www.LiveCodeJournal.com
 LiveCode Journal blog: http://LiveCodejournal.com/blog.irv

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Re: Drag and Drop

[Peter Haworth]

Thanks Richard, that looks very nice.  I too would like to hear how to prevent 
the snap back you mentioned.

I guess I somehow got the impression it wasn't possible to drag a control from 
one stack to another with the standard drag/drop handlers somewhere in this 
thread but this shows it is.

Pete Haworth

On Feb 8, 2011, at 6:56 AM, Richard Gaskin wrote:

 Peter Haworth wrote:
 
  I guess I should look again at the IDE script and see what it does
  after a control has been dropped onto a card, I bet that would
  reveal all!
 
 Maybe.
 
 The Rev IDE drag-and-drop routines were written before the overhaul of the 
 drag-and-drop syntax which has since simplified messaging and allowed us to 
 set the dragImage and dragImageOffsets.
 
 This quick example shows one way to use the more recent syntax to drag-copy 
 and object from one window to another without having to use an intermediary 
 translucent stack to simulate the drag image:
 
 go url http://www.fourthworldlabs.com/rev/drag.rev;
 
 It inserts a frontScript to track the dragMove message, doing the window hit 
 testing there, removing the script when the action is done.
 
 The only problem I can find with this approach is that it snaps back the 
 dragImage to the source, even though the allowDrop has been set to true.
 
 I've seen this anomaly with other drag actions as well - if anyone here knows 
 a reliable way to prevent that I'm be most grateful.
 
 --
 Richard Gaskin
 Fourth World
 LiveCode training and consulting: http://www.fourthworld.com
 Webzine for LiveCode developers: http://www.LiveCodeJournal.com
 LiveCode Journal blog: http://LiveCodejournal.com/blog.irv
 
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Re: Drag and Drop

[Thierry]

Le 8 févr. 2011 à 15:56, Richard Gaskin a écrit :

 The only problem I can find with this approach is that it snaps back the 
 dragImage to the source, even though the allowDrop has been set to true.
 
  if anyone here knows a reliable way to prevent that I'm be most grateful.


Hi Richard,

I add one more  line in your mousedown  script.
See below

Please, let me know if it works.

Regards,
Thierry


on mouseDown
  put the long id of me into tObj
  export snapshot from tObj to tVar as PNG
  set the width of img 1 to the width of tObj
  set the height of img 1 to the height of tOBj
  set the visible of img 1 to false
  put tVar into img 1
end mouseDown
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Re: Drag and Drop

[Peter Haworth]

Thiery,
I tried that and it works.  Stops the snapback and hides the image which was 
being displayed.  Thanks!

Pete Haworth

On Feb 8, 2011, at 10:44 AM, Thierry wrote:

 
 Le 8 févr. 2011 à 15:56, Richard Gaskin a écrit :
 
 The only problem I can find with this approach is that it snaps back the 
 dragImage to the source, even though the allowDrop has been set to true.
 
 if anyone here knows a reliable way to prevent that I'm be most grateful.
 
 
 Hi Richard,
 
 I add one more  line in your mousedown  script.
 See below
 
 Please, let me know if it works.
 
 Regards,
 Thierry
 
 
 on mouseDown
  put the long id of me into tObj
  export snapshot from tObj to tVar as PNG
  set the width of img 1 to the width of tObj
  set the height of img 1 to the height of tOBj
  set the visible of img 1 to false
  put tVar into img 1
 end mouseDown
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Re: Drag and Drop

[Peter Haworth]

One other possible change- should there be a 'reset templatebutton' at then end 
of the dragEnd handler?

Pete Haworth

On Feb 8, 2011, at 10:44 AM, Thierry wrote:

 
 Le 8 févr. 2011 à 15:56, Richard Gaskin a écrit :
 
 The only problem I can find with this approach is that it snaps back the 
 dragImage to the source, even though the allowDrop has been set to true.
 
 if anyone here knows a reliable way to prevent that I'm be most grateful.
 
 
 Hi Richard,
 
 I add one more  line in your mousedown  script.
 See below
 
 Please, let me know if it works.
 
 Regards,
 Thierry
 
 
 on mouseDown
  put the long id of me into tObj
  export snapshot from tObj to tVar as PNG
  set the width of img 1 to the width of tObj
  set the height of img 1 to the height of tOBj
  set the visible of img 1 to false
  put tVar into img 1
 end mouseDown
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Re: Drag and Drop

[Richard Gaskin]

Thierry wrote:


Le 8 févr. 2011 à 15:56, Richard Gaskin a écrit :


The only problem I can find with this approach is that it snaps back the 
dragImage to the source, even though the allowDrop has been set to true.

 if anyone here knows a reliable way to prevent that I'm be most grateful.


Hi Richard,

I add one more  line in your mousedown  script.
See below

Please, let me know if it works.

Regards,
Thierry


on mouseDown
  put the long id of me into tObj
  export snapshot from tObj to tVar as PNG
  set the width of img 1 to the width of tObj
  set the height of img 1 to the height of tOBj
  set the visible of img 1 to false
  put tVar into img 1
end mouseDown



Unfortunately setting the image visibility to false has no effect. I had 
it visible only because it's a demo and it's fun to watch the image 
change; I have production code with such images false and still get the 
snap-back.


RunRev's Ben Beaumont offered this tip on the dev list which works a 
treat, also noting that this bug will be fixed in v4.6:


---

   Firstly, we've tracked down the problem and fixed it for
   the next release. In the meantime and for those using
   older version of LC here is a workaround:

   on dragEnd
  remove script of btn ObjectDragFrontScript from front
  put gObjectDragInfoA[stack] into tDestStack
  send doDragEnd tDestStack to me in 0 millisecs
   end dragEnd

   on doDragEnd tDestStack
  if tDestStack  empty then
put gObjectDragInfoA[loc] into tLoc
set the defaultStack to tDestStack
set the properties of the templateButton to \
   the properties of me
lock screen
create btn
set the loc of last control to tLoc
select last control
  end if
end doDragEnd

   The problem occurs because creating a button and setting the
   loc causes (at some point) the dragAction global property to
   be reset, which is then what the engine is returning to the
   OS - hence the 'drag didn't succeed' snap-back.

   The engine should really return the value of 'dragAction' at the
   point the drop occured (before any messages are sent), rather
   than after the drop had been processed. This is the underlying bug.

--

Thanks, Ben!

--
 Richard Gaskin
 Fourth World
 LiveCode training and consulting: http://www.fourthworld.com
 Webzine for LiveCode developers: http://www.LiveCodeJournal.com
 LiveCode Journal blog: http://LiveCodejournal.com/blog.irv

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Re: Drag and Drop

[Richard Gaskin]

Peter Haworth wrote:

One other possible change- should there be a 'reset templatebutton' at then end 
of the dragEnd handler?


Good catch.  Yes, ideally there should be, or perhaps even better to 
store the properties of the templateButton into a temporary array, and 
then reset it to those values before exiting (just in case any other 
script may be relying on custom settings).


--
 Richard Gaskin
 Fourth World
 LiveCode training and consulting: http://www.fourthworld.com
 Webzine for LiveCode developers: http://www.LiveCodeJournal.com
 LiveCode Journal blog: http://LiveCodejournal.com/blog.irv

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Re: Drag and Drop

[Richard Gaskin]

Peter Haworth wrote:

 I guess I somehow got the impression it wasn't possible to drag a
 control from one stack to another with the standard drag/drop
 handlers somewhere in this thread but this shows it is.

Strictly speaking that's still true:  you can move an object around in 
its own stack, but not between stacks.  What we're doing here is 
recreating the object from scratch in the other window.


--
 Richard Gaskin
 Fourth World
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 Webzine for LiveCode developers: http://www.LiveCodeJournal.com
 LiveCode Journal blog: http://LiveCodejournal.com/blog.irv

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Re: Drag and Drop

[Peter Haworth]

Thanks Richard.  Despite what I said in my earlier email about Thiery's fix for 
the snapback, you are correct that it doesn't fix it.  Somehow or other, the 
snapback occasionally doesn't happen, at least in my stack, but most of the 
time it does.  I think I'll just live with it until 4.6.

I've pretty much got all this working now.  I ended using images of the 
controls to be dragged not the controls themselves.  Each image has a custom 
property with the ID of the real control that is to be placed onto the 
destination stack.  I found I had to do that because all the controls have 
custom behaviors which were sometimes being triggered when I clicked on the to 
begin the drag.

Pete Haworth

On Feb 8, 2011, at 3:58 PM, Richard Gaskin wrote:

 Peter Haworth wrote:
 One other possible change- should there be a 'reset templatebutton' at then 
 end of the dragEnd handler?
 
 Good catch.  Yes, ideally there should be, or perhaps even better to store 
 the properties of the templateButton into a temporary array, and then reset 
 it to those values before exiting (just in case any other script may be 
 relying on custom settings).
 
 --
 Richard Gaskin
 Fourth World
 LiveCode training and consulting: http://www.fourthworld.com
 Webzine for LiveCode developers: http://www.LiveCodeJournal.com
 LiveCode Journal blog: http://LiveCodejournal.com/blog.irv
 
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Re: Drag and Drop

[Thierry]

Le 9 févr. 2011 à 00:55, Richard Gaskin a écrit 


 Unfortunately setting the image visibility to false has no effect.
 I have production code with such images false and still get the snap-back.

Ummm,

I tried it again with a fresh mind this early morning, 
still works for me !

And Peter, what was working when you answered my mail,
and then has changed ?

Enjoy your day.

Thierry


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Re: Drag and Drop

[Peter Haworth]

I'm not sure what changed.  It seems to be inconsistent as to whether the 
snapback happens or not but most of the time it does.

Pete Haworth

On Feb 8, 2011, at 10:22 PM, Thierry wrote:

 And Peter, what was working when you answered my mail,
 and then has changed ?


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Re: Drag and Drop

[Thierry]

Le 9 févr. 2011 à 08:28, Peter Haworth a écrit :

 I'm not sure what changed.  It seems to be inconsistent as to whether the 
 snapback happens or not but most of the time it does.
 

Thanks,

Obviously, we're running on different contexts...

Thierry


 Pete Haworth
 
 On Feb 8, 2011, at 10:22 PM, Thierry wrote:
 
 And Peter, what was working when you answered my mail,
 and then has changed ?



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Re: Drag and Drop

[Peter Haworth]

OK, I have this working.  Thank you SCott for pointing me to your script.

I had to change Scott's script because his demo creates a destination stack on 
the fly so he knows it's name, location, etc.  In my case, I needed the user to 
be able to drop the control onto any currently open stack.  And, as someone 
else pointed out, the mouseStack property does NOT correctly report the name of 
the stack that the mouse is over unless you are in a mouseUp handler, or at 
least it didn't in Scott's handler. Sorry to keep harping on this, but the 
dictionary, yet again, is flawed.

I found the IDE code that handles the drag and drop of controls from the Tools 
palette. It figures out which stack the mouse is over by comparing the mouse 
location to the rectangle of each open stack.  So I did the same thing and it 
works fine.  I hope I'm not breaking any intellectual property laws.

I'm left with one strangeness.  As a control is being dragged, it has a blue 
background. After it is copied to the new stack, it still has a blue background 
until I click on it, then it goes back to the background of the original 
control.  I noticed that happening in Scott's script (except it's green instead 
of blue).  Not a big deal but Scott, wondering if you might have a fix for that?

Pete Haworth

On Feb 6, 2011, at 9:55 PM, Scott Rossi wrote:

 Pete:
 
 There are several drag and drop references you can explore (for example, the
 LiveCode User Guide found under Help  User Guide, page 262).  LC has all
 the commands to implement what you want.
 
 On a semi-related note, I have a drag and drop sample stack that is all
 LiveCode script, based on work done by the late Eric Chatonet.  I wanted a
 drag and drop routine that represented dragged objects using their original
 forms, rather than a rectangle.  You can get the stack by executing the
 following in your message box:
 go url http://www.tactilemedia.com/site_files/downloads/TMdragndrop.rev;
 
 Start dragging any object and the drop stack will open automatically.
 Note that this doesn't use LC's drag and drop routines, and as such has a
 couple of limitations, so learning the real drag and drop routines might
 be better in the long run.  But the scripted solution works fine for me.  As
 they say, YMMV.
 
 Regards,
 
 Scott Rossi
 Creative Director
 Tactile Media, UX Design
 
 
 
 
 Recently, Peter Haworth wrote:
 
 Sounds perfect!  Now if I only knew how to do that.
 Pete Haworth
 
 On Feb 6, 2011, at 5:21 PM, dunb...@aol.com wrote:
 
 If you know what controls are where, and you must because you made them,
 named them and placed them on your palette, then can't you just get target
 info, clone the control, and make it track the mouse until dropped?
 
 
 Or am I missing everything?
 
 
 Craig Newman
 
 
 
 
 
 -Original Message-
 From: Peter Haworth p...@mollysrevenge.com
 To: How to use LiveCode use-livecode@lists.runrev.com
 Sent: Sun, Feb 6, 2011 4:16 pm
 Subject: Drag and Drop
 
 
 I would like to set up the equivalent of the LC Tools palette so I can drag
 and 
 drop some custom controls from it to any card.
 
 Mark - I read your excellent write up on Drag and Drop but it seems to be
 aimed 
 at a different situation than this (dragging info from one control to
 another).  
 I also used the message watcher to see what happens when I drag an LC 
 control
 from the LC tools palette to a card and I didn;t see any of the standard
 drag/drop messages.
 
 Any tips on how to set about doing this?
 
 Pete Haworth
 
 
 
 
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Re: Drag and Drop

[J. Landman Gay]

On 2/7/11 7:07 PM, Peter Haworth wrote:

And, as someone else pointed out, the mouseStack
property does NOT correctly report the name of the stack that the
mouse is over unless you are in a mouseUp handler, or at least it
didn't in Scott's handler. Sorry to keep harping on this, but the
dictionary, yet again, is flawed.


If that's so, then it sounds like the mousestack property is only 
updated on idle. I know that's true of lots of other properties. If your 
dragging handler uses a repeat until the mouse is up structure, you 
aren't giving any time to the engine and lots of things won't get 
updated. It's a good argument for using send instead. Repeat loops are 
slow and memory hogs too.

http://www.hyperactivesw.com/polling.html



I found the IDE code that handles the drag and drop of controls from
the Tools palette. It figures out which stack the mouse is over by
comparing the mouse location to the rectangle of each open stack.  So
I did the same thing and it works fine.  I hope I'm not breaking any
intellectual property laws.


Nope, it's not only fine, it's encouraged. That's why RR leaves the 
scripts unlocked. It's a great way to learn.




I'm left with one strangeness.  As a control is being dragged, it has
a blue background. After it is copied to the new stack, it still has
a blue background until I click on it, then it goes back to the
background of the original control.  I noticed that happening in
Scott's script (except it's green instead of blue).  Not a big deal
but Scott, wondering if you might have a fix for that?


If a script sets any properties of the template object, then all new 
controls of that type will also use those properties until the template 
is reset. Use reset the templatewhatever before creating a new 
control to revert it back to the default values. I.e., for a field, 
reset the templatefield.


--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software   | http://www.hyperactivesw.com

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Re: Drag and Drop

[Mark Wieder]

Pete-

Monday, February 7, 2011, 5:07:02 PM, you wrote:

 I found the IDE code that handles the drag and drop of controls
 from the Tools palette. It figures out which stack the mouse is over
 by comparing the mouse location to the rectangle of each open stack.
 So I did the same thing and it works fine.  I hope I'm not breaking
 any intellectual property laws.

AFAIK that's the only way to do it.

-- 
-Mark Wieder
 mwie...@ahsoftware.net


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Re: Drag and Drop

[Mark Wieder]

Scott-

Sunday, February 6, 2011, 9:55:14 PM, you wrote:

 On a semi-related note, I have a drag and drop sample stack that is all
 LiveCode script, based on work done by the late Eric Chatonet.  I wanted a
 drag and drop routine that represented dragged objects using their original
 forms, rather than a rectangle.  You can get the stack by executing the

I think that's the only way to get objects dragged from one stack to
another. As you mentioned, it has the limitation that the source and
destination objects have to have the same appearance, i.e., not a
graphic representing a more complex object of a different size. But
that can also be handled by getting a lot fancier with the code.

-- 
-Mark Wieder
 mwie...@ahsoftware.net


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Re: Drag and Drop

[Peter Haworth]

On Feb 7, 2011, at 5:29 PM, J. Landman Gay wrote:

 On 2/7/11 7:07 PM, Peter Haworth wrote:
 And, as someone else pointed out, the mouseStack
 property does NOT correctly report the name of the stack that the
 mouse is over unless you are in a mouseUp handler, or at least it
 didn't in Scott's handler. Sorry to keep harping on this, but the
 dictionary, yet again, is flawed.
 
 If that's so, then it sounds like the mousestack property is only updated on 
 idle. I know that's true of lots of other properties. If your dragging 
 handler uses a repeat until the mouse is up structure, you aren't giving 
 any time to the engine and lots of things won't get updated. It's a good 
 argument for using send instead. Repeat loops are slow and memory hogs too.
 http://www.hyperactivesw.com/polling.html

Yes, that's essentially what it does although it's not really my script, it's 
Scott's :-)  I'll probably leave it as it is for now and take the performance 
hit - I'll probably break it if I mess with it! 
 
 
 I found the IDE code that handles the drag and drop of controls from
 the Tools palette. It figures out which stack the mouse is over by
 comparing the mouse location to the rectangle of each open stack.  So
 I did the same thing and it works fine.  I hope I'm not breaking any
 intellectual property laws.
 
 Nope, it's not only fine, it's encouraged. That's why RR leaves the scripts 
 unlocked. It's a great way to learn.

I was wondering about that, glad it's OK!
 
 
 I'm left with one strangeness.  As a control is being dragged, it has
 a blue background. After it is copied to the new stack, it still has
 a blue background until I click on it, then it goes back to the
 background of the original control.  I noticed that happening in
 Scott's script (except it's green instead of blue).  Not a big deal
 but Scott, wondering if you might have a fix for that?
 
 If a script sets any properties of the template object, then all new controls 
 of that type will also use those properties until the template is reset. Use 
 reset the templatewhatever before creating a new control to revert it 
 back to the default values. I.e., for a field, reset the templatefield.

Scott's script use templateStack and templateImage but he resets those.  My 
testing has been done with a button so far and I don't see anywhere where the 
templateButton is used.  I tried resetting it anyway, but still the same 
result.  Would be nice to figure out what's happening but it's not a big 
concern.
 
 -- 
 Jacqueline Landman Gay | jac...@hyperactivesw.com
 HyperActive Software   | http://www.hyperactivesw.com
 
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Re: Drag and Drop

[Peter Haworth]

On Feb 6, 2011, at 1:35 PM, Mark Wieder wrote:

 Pete-
 
 Sunday, February 6, 2011, 1:16:54 PM, you wrote:
 Any tips on how to set about doing this?
 
 Stay tuned g

The musician's mantra!
 
 -- 
 -Mark Wieder
 mwie...@ahsoftware.net
 
 
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