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115 lines
3.5 KiB
115 lines
3.5 KiB
2 years ago
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/*
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DynAPI Distribution
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ButtonImageStyle
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The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
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Requires: StyleManager, Button
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*/
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function ButtonImageStyle(){
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var style = new Style(); // create basic style object
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style.styleName='ImageButtonStyle';
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style._coverAnchor ={left:0,right:0,top:0,bottom:0};
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style.fontSize=2;
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style.imageOvr = null;
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style.loadImages = function(){
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// load default images
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if(!this.imageOff) this.imageOff = Styles.getImage('btn_off.gif',22,22);
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if(!this.imageOn) this.imageOn = Styles.getImage('btn_on.gif',22,22);
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};
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style._events = {
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onmouseout:function(e){
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var o=e.getSource();
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o.invokeEvent('mouseup',null,true);
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},
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onmouseover:function(e){
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var o=e.getSource();
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if(o._disabled) return null;
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var img=o.getStyleAttribute('imageOvr');
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if(!img) return;
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if(!dynapi.ua.ie) o.setBgImage(img.src);
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else o.lyrImage.setHTML(img.getHTML());
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},
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onmouseup:function(e,args){
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var o=e.getSource();
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var bs = (dynapi.ua.ns4)? o._blkBoardElm:o._blkBoardElm.style;
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bs.left="0"; bs.top="0";
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var img=o.getStyleAttribute('imageOff');
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if(!img) return;
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if(!dynapi.ua.ie) o.setBgImage(img.src);
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else o.lyrImage.setHTML(img.getHTML());
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if(!args) o.invokeEvent('buttonclick'); // this gives better clicking resolutions in IE. See "Mouse Click Speed Test" - Trouble Shooting
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},
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onmousedown:function(e){
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var o=e.getSource();
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if(o._disabled) return null;
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var bs = (dynapi.ua.ns4)? o._blkBoardElm:o._blkBoardElm.style;
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if(!bs.position) bs.position = 'absolute';
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bs.left="1"; bs.top="1";
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var img=o.getStyleAttribute('imageOn');
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if(!img) return;
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if(!dynapi.ua.ie) o.setBgImage(img.src);
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else o.lyrImage.setHTML(img.getHTML());
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}
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};
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style._setImage = function(ximg,state){
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if (state=='on') state='imageOn';
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else if (state=='ovr') state='imageOvr';
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else state='imageOff';
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this.setLocalStyleAttribute(state,ximg);
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if(!this._isToggled && state=='imageOff') {
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if(!dynapi.ua.ie) o.setBgImage(img.src);
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else o.lyrImage.setHTML(img.getHTML());
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}
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};
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// initStyle will act as a function of the DynLayer object
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style.initStyle = function(){
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var style = this.style;
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var img=this.getStyleAttribute('imageOff');
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this.enableBlackboard();
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this.setTextSelectable(false);
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this.setCursor('hand');
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this.setBgColor(null); // remove bgcolor
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this.setImage = style._setImage;
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if(!dynapi.ua.ie) this.setBgImage(img.src);
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else{
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this.addChild(new DynLayer(img.getHTML(),0,0,img.width,img.height),'lyrImage');
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this.lyrImage.setZIndex(-1);
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}
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this.setMinimumSize(img.width,img.height);
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this.setMaximumSize(img.width,img.height);
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if(dynapi.ua.ns4) {
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this.addChild(new DynLayer(),'lyrCover');
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this.lyrCover.setAnchor(this.style._coverAnchor);
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this.lyrCover.captureMouseEvents();
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}
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this.addEventListener(style._events);
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this.renderStyle();
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};
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// renderStyle will act as a function of the DynLayer object
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style.renderStyle = function(act){
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var all =!act;
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// caption & resize
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if(all||act=='caption'||act=='resize'){
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this.setHTML(this._getCapHTML());
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}
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};
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// removeStyle will act as a function of the DynLayer object
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style.removeStyle = function(){
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if(dynapi.ua.ns4) this.lyrCover.deleteFromParent();
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if(!dynapi.ua.ie) this.setBgImage(null);
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else this.lyrImage.deleteFromParent();
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this.removeEventListener(this.style._events);
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};
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return style;
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};
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// Creates the style once it has been loaded
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Styles.addStyle('ButtonImage',ButtonImageStyle);
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