awesome - just awesome - thanks. i know i am going to need this soon.
--- In flexcoders@yahoogroups.com, "Jason Hawryluk" <[EMAIL PROTECTED]> wrote:
>
> Here you guy's, gal's go don't forget to change the package
location. I use
> this technique in allot of way's. Just let me know what you think
;) Code is
> below. The delayed class, and the sample use.
>
> Cheers
>
> Jason
>
> Begin: DelayedTimer.as
>
> /**
> * This class provides a timer abstraction, and issues a callback
to the
> * desired function once the time event hit's. Create one instance
for each
> * delayed timer you require
> *
> * @langversion ActionScript 3.0
> * @playerversion Flash 8.5
> * @tiptext
> *
> **/
>
> package com.vision.delayedTimer{
>
> import flash.utils.Timer;
> import flash.events.Event;
> import flash.events.TimerEvent;
>
> public class DelayedTimer extends Timer {
>
> private var _caller:Object;
>
> public function DelayedTimer (){
> //init the extended class
> super(1000,1);
>
> }
>
> /**
> * getters and setters for the object passed
> **/
> public function get caller():Object
> {
> return _caller;
> }
>
> public function set caller(d:Object):void
> {
> _caller = d;
> }
>
>
> /**
> * Inicialize the timer for the delayed call
> *
> * -Parameters
> * @event = the event that set off this obejct
> * @func = a function call to run
> * @caller = the actual object that called this object
> * @delay = the delay in milliseconds between timer events
> * @repeat = number of times to repeat 0= indefinit
> *
> * -verion
> * @langversion ActionScript 3.0
> * @playerversion Flash 8.5
> * @tiptext
> *
> **/
>
> public function startDelayedTimer(event:Event,func:Function,
> callerin:Object=null,delay:Number=1000, repeat:uint=1):void {
>
> if (func == null){return;}
>
> if (caller !=null){
> caller=callerin;
> }
>
> if (caller != event.target){
> caller = event.target;
>
> if (running ==true){
> cancelDelayedTimer();
> }
>
> delay = delay;
> repeatCount=1;
>
> addEventListener(TimerEvent.TIMER,func);
>
> start();
>
> }
>
> }
>
> /**
> * clean up the call and stop the running timer
> *
> * -verion
> * @langversion ActionScript 3.0
> * @playerversion Flash 8.5
> * @tiptext
> **/
> public function cancelDelayedTimer():void{
>
> if (running ==true){
>
> _caller=null;
>
> stop();
> reset();
>
> }
>
> }
> }
>
> }
>
> End: DelayedTimer.as
>
> Begin: SampleDragDropOpen.mxml
>
> <?xml version="1.0" encoding="utf-8"?>
> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
layout="absolute">
>
> <mx:Script>
> <![CDATA[
> //*****************************************************
> //all this stuff is for the sample
> //*****************************************************
>
> [Bindable]
> public var dsXML:XML = <groups>
> <group isBranch="true" label="Folder 1">
> <item label="Folder 1 Item 1" />
> <item label="Folder 1 Item 2" />
> <item label="Folder 1 Item 3" />
> <item label="Folder 1 Item 4" />
> <group isBranch="true" label="No Children 1-0"/>
> <group isBranch="true" label="No Children 1-2"/>
> </group>
> <group isBranch="true" label="Folder 1">
> </group>
> <item label="Item 1" />
> <item label="Item 2" />
> </groups>
>
>
> ]]>
> </mx:Script>
>
>
> <mx:Script>
> <![CDATA[
> //*************************************************
> //tree delayed open while draginging an item
> //*************************************************
>
> //handles auto open on drag drop operations
> import com.vision.delayedTimer.DelayedTimer;
>
> private var oDelayedTimer:DelayedTimer = new DelayedTimer();
>
> //stored for opening
> private var lastFolderOver:Object
>
> //the returned dispatched call if delay triggered
> private function dispatchDelayedOpen(event:Event):void{
> Tree0.expandItem(lastFolderOver,true,true);
> }
>
> import mx.events.DragEvent;
> private function handleDragOver(event:DragEvent):void{
>
> /**
> this is the guts of it
> **/
>
> var currTree:Tree = Tree(event.currentTarget);
> var rowindex:int = currTree.calculateDropIndex(event);
> var currNodeOver:Object;
>
> if (currTree.indexToItemRenderer(rowindex) !=null){
> currNodeOver = currTree.indexToItemRenderer(rowindex).data;
> }
> else{
> currNodeOver=null;
> }
>
> //if not over any node cleanup if nessesary and return
> if (currNodeOver == null){
> if (lastFolderOver != null){
> oDelayedTimer.cancelDelayedTimer();
> lastFolderOver = null;
> }
> return;
> }
>
> if ([EMAIL PROTECTED] &&
> currTree.isItemOpen(currNodeOver)==false){
>
> //test if not the same
> if(lastFolderOver !=currNodeOver){
> //clear and reset the delay store this folder as last
> lastFolderOver = currNodeOver;
> //clear the existing
> oDelayedTimer.cancelDelayedTimer();
> //create callback
>
oDelayedTimer.startDelayedTimer(event,dispatchDelayedOpen,currNodeOver);
> }
> return;
> }
> else{
> //clear the existing
> if (lastFolderOver != null){
> oDelayedTimer.cancelDelayedTimer();
> lastFolderOver = null;
> }
> return;
> }
>
> }
>
> private function handleDragComplete(event:DragEvent):void{
> //cleanup delay stuff
> oDelayedTimer.cancelDelayedTimer();
> lastFolderOver = null;
> }
>
> ]]>
> </mx:Script>
>
> <mx:XMLListCollection source="{dsXML.children()}"
> id="XMLdc"/>
>
> <mx:Tree id="Tree0" dragComplete="handleDragComplete(event)"
> dragOver="handleDragOver(event)" labelField="@label"
> dragEnabled="true" dataProvider="{XMLdc}"
> dragMoveEnabled="true" dropEnabled="true"
> width="250" height="100%" />
>
>
> </mx:Application>
>
> End: SampleDragDropOpen.mxml
>
>
> -----Message d'origine-----
> De : flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] la
> part de Jason Hawryluk
> Envoyé : mercredi 12 juillet 2006 10:06
> À : flexcoders@yahoogroups.com
> Objet : RE: [flexcoders] Explorer-like drag & drop tree
>
>
>
> I have a little support task to do first then i'll put it up.
>
> :°
>
> jason
>
> -----Message d'origine-----
> De : flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] la
> part de Jonas Windey
> Envoyé : mercredi 12 juillet 2006 09:45
> À : flexcoders@yahoogroups.com
> Objet : RE: [flexcoders] Explorer-like drag & drop tree
>
>
>
> Cool, can't wait. I've now gotten so far that I can drag items
on every
> node, but the only thing I need to force now is that if you drag an
item on
> a node on the last level, it needs to be open for flex to allow
dropping on
> it.
>
> For now I'll just open every node in my tree in the initial
state. That
> way at least it's working.
>
>
> Now give me your sample ;-)
>
>
> Jonas
>
> Lol <-> Jason, we're anagrammable
>
>
>
> --------------------------------------------------------------------
--------
>
> From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On
> Behalf Of Jason Hawryluk
> Sent: dinsdag 11 juli 2006 23:55
> To: flexcoders@yahoogroups.com
> Subject: RE: [flexcoders] Explorer-like drag & drop tree
>
>
> I'm at home, and it's late, but i'll put together a sample, and
post it
> when i get back to work ;)
>
>
> Jason
>
>
> -----Message d'origine-----
> De : flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED]
> la part de Pat Buchanan
> Envoyé : mardi 11 juillet 2006 22:58
> À : flexcoders@yahoogroups.com
> Objet : Re: [flexcoders] Explorer-like drag & drop tree
>
> Jason:
>
>
> Do you have an example of this for us current/future newbies?
>
>
> Thanks!
>
>
>
> On 7/11/06, Jason Hawryluk <[EMAIL PROTECTED]> wrote:
>
> What I do is on dragover after a set time when over the
folder i open
> it. The user is then free to drag into the folder.
>
>
> If you want i can give you more details, if you think this
would help
> solve your problem.
>
>
> jason
>
>
>
>
> -----Message d'origine-----
> De : flexcoders@yahoogroups.com
> [mailto:[EMAIL PROTECTED] la part de Jonas Windey
> Envoyé : mardi 11 juillet 2006 15:59
> À : flexcoders@yahoogroups.com
> Objet : RE: [flexcoders] Explorer-like drag & drop tree
>
> Yea, go figure that every directory contains a dummy leaf.
Wouldn't
> really
> be explorer-like wouldn't it :-)
>
> -----Original Message-----
> From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED]
> On
> Behalf Of Tom Chiverton
> Sent: dinsdag 11 juli 2006 15:33
> To: flexcoders@yahoogroups.com
> Subject: Re: [flexcoders] Explorer-like drag & drop tree
>
> On Tuesday 11 July 2006 12:36, Jonas Windey wrote:
> > Since the directories in the deepest level won't ever have
an open
> node,
> > this is impossible.
>
> If it really is the case that it needs an open node, just add
a dummy
> child
> node.
>
> --
> Tom Chiverton
>
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