 | | | Events question, call class method | Events question, call class method 2004-03-11 - By Keith L. Miller
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Honestly, I'm not sure. I was having the same issues you were, and that is
the only way I could get a reference back to myTree from inside the buttons.
I wish I had a better answer for you on that. Maybe one of the Flash Gods
on this list can explain better.
Regards,
Keith
-- -- Original Message -- --
From: "Christophe Herreman" <christophe_herreman@(protected)>
To: <flashcoders@(protected)>
Sent: Thursday, March 11, 2004 8:41 AM
Subject: Re: [Flashcoders] Events question, call class method
> This works, but isn't that a bad reference to your class?
> Like this, I think you can have only 1 instance of your treeclass, that is
> "myTree"
>
> Christophe
> -- -- Original Message -- --
> From: "Keith L. Miller" <millerk@(protected)>
> To: <flashcoders@(protected)>
> Sent: Thursday, March 11, 2004 3:21 PM
> Subject: Re: [Flashcoders] Events question, call class method
>
>
> > I do similar things with button for my tree. The first thing I do in
the
> on
> > release function is this:
> >
> > var tree:mx.controls.Tree = this._parent.myTree;
> >
> > Then I can reference myTree using the "tree" variable.
> >
> > Hope this helps.
> >
> > Keith
> >
> > -- -- Original Message -- --
> > From: "Christophe Herreman" <christophe_herreman@(protected)>
> > To: <flashcoders@(protected)>
> > Sent: Thursday, March 11, 2004 8:14 AM
> > Subject: [Flashcoders] Events question, call class method
> >
> >
> > > Hello guys,
> > >
> > > I'm working on a tree which is build from a couple of classes.
> > > I tried to separate the data from the ui elements, which resulted in 3
> > > classes
> > >
> > > 1) CHTree.as
> > > 2) CHTreeNode.as
> > > 3) CHTreeRenderer.as
> > >
> > > In the CHTreeRenderer class, I create all the mc's that represent the
> > tree.
> > > They all get an icon, a label, and an expand/collapse button (don't
know
> > how
> > > to call it).
> > > I now want to open a branch when I click on that expand button.
> > > My code is as follows.
> > >
> > > node_mc.nodeState.onRelease = function(){
> > > var b_open = (this._parent.ref.isOpen()) ? false : true;
> > > this._parent.ref.setIsOpen(b_open);
> > > }
> > >
> > > This simply flips the open/close state of the node, which works fine.
> > > To test if the tree opens, I made a button which calls the render()
> > method.
> > > All works fine.
> > >
> > > I now want to call that method each time I press the expand/collapse
> > button.
> > > The problem is that I do not have access to my TreeRenderer methods in
> the
> > > button's onRelease code
> > >
> > > node_mc.nodeState.onRelease = function(){
> > > var b_open = (this._parent.ref.isOpen()) ? false : true;
> > > this._parent.ref.setIsOpen(b_open);
> > > this.renderNode(this._parent.ref); -> renderNode is a method
in
> > the
> > > TreeRenderer class
> > > }
> > >
> > > So, how can I call that method?
> > > Is the onRelease event the best way to do this, or should I use
> Listeners
> > or
> > > AsBroadcaster or something like that?
> > >
> > > thx in advance
> > > Christophe
> > >
> > >
> > >
> > >
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