(re)read the tutorial on widgets.. you'r defining your eventlistener
incorrectly.
it should be a static property of the widget constructor.
cya,
Pascal Bestebroer
[EMAIL PROTECTED]
http://www.dynamic-core.net
> -----Oorspronkelijk bericht-----
> Van: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]Namens John Vilburn
> Verzonden: vrijdag 2 maart 2001 17:32
> Aan: [EMAIL PROTECTED]
> Onderwerp: [Dynapi-Help] Eventlistener firing on all instances of widget
> simultaneously
>
>
> I am writing a widget which creates a horizontal tree. It is based on the
> label widget and recursively creates copies of itself to the depth
> specified. The problem I am having is that the eventlistener seems to fire
> on all copies at the same time. When I mouse over one of the labels, they
> all act as though they have been moused over. Here is the code:
>
> /*
> Tree Class
>
> ParentLayer is a DynLayer
> depth is the depth of the tree
> RegionRect is the x,y,w,h of the remaining region to draw the tree in
> */
>
> function Tree(ParentLayer,depth,RegionRect)
> {
> this.Label = Label;
> this.Label();
> this.setText('Sample text');
> this.ParentLayer = ParentLayer;
> this.TopNode = null;
> this.BottomNode = null;
> this.setSize(100,20);
> this.TopNodeRect = new Array();
> this.BottomNodeRect = new Array();
> this.setDepth(depth,RegionRect);
> this.setBgColor('#c0c0c0');
> this.setWrap(false);
> this.setSelectable(false);
> var listener = new EventListener(this);
> listener.onmouseover=function(event)
> {
> event.getTarget().setText('Mouse Over');
> window.status = 'Last Event: onmouseover';
> }
> listener.onmouseout=function(event)
> {
> event.getTarget().setText('Normal');
> window.status = 'Last Event: onmouseout';
> }
> listener.onclick=function(event)
> {
> event.getTarget().setText('Click');
> window.status = 'Last Event: onrtmouseup';
> }
> listener.ondblclick=function(event)
> {
> event.getTarget().setText('Double Click');
> window.status = 'Last Event: ondblclick';
> }
>
> this.addEventListener(listener);
> this.ParentLayer.addChild(this);
> }
>
> Tree.prototype = new Label();
>
> Tree.prototype.setDepth = function(newDepth,RegionRect)
> {
> this.depth = newDepth;
> this.setRects(RegionRect);
> if ( this.TopNode == null && this.depth > 1 )
> {
> this.TopNode = new
> Tree(this.ParentLayer,this.depth-1,this.TopNodeRect);
> this.BottomNode = new
> Tree(this.ParentLayer,this.depth-1,this.BottomNodeRect);
> }
> if ( this.TopNode != null )
> {
> if (this.depth>1)
> {
> this.TopNode.setDepth(this.depth-1,this.TopNodeRect);
> this.BottomNode.setDepth(this.depth-1,this.BottomNodeRect);
> }
> else
> {
> this.TopNode.setDepth(0,this.TopNodeRect);
> this.BottomNode.setDepth(0,this.BottomNodeRect);
> }
> }
> if (this.depth>0)
> {
> this.setVisible(true);
> }
> else
> {
> this.setVisible(false);
> }
> }
>
> Tree.prototype.setRects = function(RegionRect)
> {
> this.RegionRect = RegionRect;
>
> var TreeHeight = (this.RegionRect.h - this.getHeight())/2;
>
> // Move the Label to the correct location
> this.moveTo(this.RegionRect.x,this.RegionRect.y + TreeHeight);
>
> if ( this.depth > 1 )
> {
> var GapWidth = (RegionRect.w - this.getWidth()*this.depth)/this.depth-1;
>
> // Set the Rects for this object
> this.TopNodeRect.x = this.RegionRect.x + this.getWidth() + GapWidth;
> this.TopNodeRect.y = this.RegionRect.y;
> this.TopNodeRect.w = this.RegionRect.w - this.getWidth() - GapWidth;
> this.TopNodeRect.h = TreeHeight
> this.BottomNodeRect.x = this.TopNodeRect.x;
> this.BottomNodeRect.y = this.RegionRect.y + this.TopNodeRect.h +
> this.getHeight();
> this.BottomNodeRect.w = this.TopNodeRect.w;
> this.BottomNodeRect.h = TreeHeight;
> }
> }
>
>
>
>
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