root / trunk / web / dojo / dojox / widget / FisheyeList.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.widget.FisheyeList"]){ |
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| 9 | dojo._hasResource["dojox.widget.FisheyeList"]=true; |
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| 10 | dojo.provide("dojox.widget.FisheyeList");
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| 11 | dojo.require("dijit._Widget");
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| 12 | dojo.require("dijit._Templated");
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| 13 | dojo.require("dijit._Container");
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| 14 | dojo.require("dijit._Contained");
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| 15 | dojo.declare("dojox.widget.FisheyeList",[dijit._Widget,dijit._Templated,dijit._Container],{constructor:function(){ |
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| 16 | this.pos={"x":-1,"y":-1}; |
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| 17 | this.timerScale=1; |
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| 18 | },EDGE:{CENTER:0,LEFT:1,RIGHT:2,TOP:3,BOTTOM:4},templateString:"<div class=\"dojoxFisheyeListBar\" dojoAttachPoint=\"containerNode\"></div>",snarfChildDomOutput:true,itemWidth:40,itemHeight:40,itemMaxWidth:150,itemMaxHeight:150,imgNode:null,orientation:"horizontal",isFixed:false,conservativeTrigger:false,effectUnits:2,itemPadding:10,attachEdge:"center",labelEdge:"bottom",postCreate:function(){ |
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| 19 | var e=this.EDGE; |
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| 20 | dojo.setSelectable(this.domNode,false); |
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| 21 | var _1=this.isHorizontal=(this.orientation=="horizontal"); |
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| 22 | this.selectedNode=-1; |
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| 23 | this.isOver=false; |
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| 24 | this.hitX1=-1; |
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| 25 | this.hitY1=-1; |
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| 26 | this.hitX2=-1; |
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| 27 | this.hitY2=-1; |
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| 28 | this.anchorEdge=this._toEdge(this.attachEdge,e.CENTER); |
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| 29 | this.labelEdge=this._toEdge(this.labelEdge,e.TOP); |
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| 30 | if(this.labelEdge==e.CENTER){ |
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| 31 | this.labelEdge=e.TOP;
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| 32 | } |
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| 33 | if(_1){
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| 34 | if(this.anchorEdge==e.LEFT){ |
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| 35 | this.anchorEdge=e.CENTER;
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| 36 | } |
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| 37 | if(this.anchorEdge==e.RIGHT){ |
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| 38 | this.anchorEdge=e.CENTER;
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| 39 | } |
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| 40 | if(this.labelEdge==e.LEFT){ |
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| 41 | this.labelEdge=e.TOP;
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| 42 | } |
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| 43 | if(this.labelEdge==e.RIGHT){ |
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| 44 | this.labelEdge=e.TOP;
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| 45 | } |
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| 46 | }else{
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| 47 | if(this.anchorEdge==e.TOP){ |
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| 48 | this.anchorEdge=e.CENTER;
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| 49 | } |
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| 50 | if(this.anchorEdge==e.BOTTOM){ |
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| 51 | this.anchorEdge=e.CENTER;
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| 52 | } |
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| 53 | if(this.labelEdge==e.TOP){ |
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| 54 | this.labelEdge=e.LEFT;
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| 55 | } |
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| 56 | if(this.labelEdge==e.BOTTOM){ |
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| 57 | this.labelEdge=e.LEFT;
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| 58 | } |
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| 59 | } |
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| 60 | var _2=this.effectUnits; |
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| 61 | this.proximityLeft=this.itemWidth*(_2-0.5); |
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| 62 | this.proximityRight=this.itemWidth*(_2-0.5); |
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| 63 | this.proximityTop=this.itemHeight*(_2-0.5); |
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| 64 | this.proximityBottom=this.itemHeight*(_2-0.5); |
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| 65 | if(this.anchorEdge==e.LEFT){ |
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| 66 | this.proximityLeft=0; |
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| 67 | } |
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| 68 | if(this.anchorEdge==e.RIGHT){ |
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| 69 | this.proximityRight=0; |
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| 70 | } |
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| 71 | if(this.anchorEdge==e.TOP){ |
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| 72 | this.proximityTop=0; |
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| 73 | } |
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| 74 | if(this.anchorEdge==e.BOTTOM){ |
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| 75 | this.proximityBottom=0; |
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| 76 | } |
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| 77 | if(this.anchorEdge==e.CENTER){ |
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| 78 | this.proximityLeft/=2; |
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| 79 | this.proximityRight/=2; |
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| 80 | this.proximityTop/=2; |
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| 81 | this.proximityBottom/=2; |
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| 82 | } |
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| 83 | },startup:function(){ |
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| 84 | this.children=this.getChildren(); |
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| 85 | this._initializePositioning();
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| 86 | if(!this.conservativeTrigger){ |
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| 87 | this._onMouseMoveHandle=dojo.connect(document.documentElement,"onmousemove",this,"_onMouseMove"); |
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| 88 | } |
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| 89 | if(this.isFixed){ |
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| 90 | this._onScrollHandle=dojo.connect(document,"onscroll",this,"_onScroll"); |
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| 91 | } |
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| 92 | this._onMouseOutHandle=dojo.connect(document.documentElement,"onmouseout",this,"_onBodyOut"); |
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| 93 | this._addChildHandle=dojo.connect(this,"addChild",this,"_initializePositioning"); |
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| 94 | this._onResizeHandle=dojo.connect(window,"onresize",this,"_initializePositioning"); |
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| 95 | },_initializePositioning:function(){ |
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| 96 | this.itemCount=this.children.length; |
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| 97 | this.barWidth=(this.isHorizontal?this.itemCount:1)*this.itemWidth; |
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| 98 | this.barHeight=(this.isHorizontal?1:this.itemCount)*this.itemHeight; |
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| 99 | this.totalWidth=this.proximityLeft+this.proximityRight+this.barWidth; |
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| 100 | this.totalHeight=this.proximityTop+this.proximityBottom+this.barHeight; |
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| 101 | for(var i=0;i<this.children.length;i++){ |
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| 102 | this.children[i].posX=this.itemWidth*(this.isHorizontal?i:0); |
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| 103 | this.children[i].posY=this.itemHeight*(this.isHorizontal?0:i); |
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| 104 | this.children[i].cenX=this.children[i].posX+(this.itemWidth/2); |
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| 105 | this.children[i].cenY=this.children[i].posY+(this.itemHeight/2); |
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| 106 | var _3=this.isHorizontal?this.itemWidth:this.itemHeight; |
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| 107 | var r=this.effectUnits*_3; |
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| 108 | var c=this.isHorizontal?this.children[i].cenX:this.children[i].cenY; |
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| 109 | var _4=this.isHorizontal?this.proximityLeft:this.proximityTop; |
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| 110 | var _5=this.isHorizontal?this.proximityRight:this.proximityBottom; |
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| 111 | var _6=this.isHorizontal?this.barWidth:this.barHeight; |
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| 112 | var _7=r;
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| 113 | var _8=r;
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| 114 | if(_7>c+_4){
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| 115 | _7=c+_4; |
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| 116 | } |
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| 117 | if(_8>(_6-c+_5)){
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| 118 | _8=_6-c+_5; |
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| 119 | } |
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| 120 | this.children[i].effectRangeLeft=_7/_3;
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| 121 | this.children[i].effectRangeRght=_8/_3;
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| 122 | } |
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| 123 | this.domNode.style.width=this.barWidth+"px"; |
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| 124 | this.domNode.style.height=this.barHeight+"px"; |
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| 125 | for(var i=0;i<this.children.length;i++){ |
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| 126 | var _9=this.children[i]; |
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| 127 | var _a=_9.domNode;
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| 128 | _a.style.left=_9.posX+"px";
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| 129 | _a.style.top=_9.posY+"px";
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| 130 | _a.style.width=this.itemWidth+"px"; |
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| 131 | _a.style.height=this.itemHeight+"px"; |
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| 132 | _9.imgNode.style.left=this.itemPadding+"%"; |
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| 133 | _9.imgNode.style.top=this.itemPadding+"%"; |
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| 134 | _9.imgNode.style.width=(100-2*this.itemPadding)+"%"; |
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| 135 | _9.imgNode.style.height=(100-2*this.itemPadding)+"%"; |
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| 136 | } |
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| 137 | this._calcHitGrid();
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| 138 | },_overElement:function(_b,e){ |
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| 139 | _b=dojo.byId(_b); |
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| 140 | var _c={x:e.pageX,y:e.pageY}; |
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| 141 | var bb=dojo._getBorderBox(_b);
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| 142 | var _d=dojo.coords(_b,true); |
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| 143 | var _e=_d.y;
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| 144 | var _f=_e+bb.h;
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| 145 | var _10=_d.x;
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| 146 | var _11=_10+bb.w;
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| 147 | return (_c.x>=_10&&_c.x<=_11&&_c.y>=_e&&_c.y<=_f);
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| 148 | },_onBodyOut:function(e){ |
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| 149 | if(this._overElement(dojo.body(),e)){ |
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| 150 | return;
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| 151 | } |
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| 152 | this._setDormant(e);
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| 153 | },_setDormant:function(e){ |
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| 154 | if(!this.isOver){ |
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| 155 | return;
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| 156 | } |
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| 157 | this.isOver=false; |
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| 158 | if(this.conservativeTrigger){ |
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| 159 | dojo.disconnect(this._onMouseMoveHandle);
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| 160 | } |
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| 161 | this._onGridMouseMove(-1,-1); |
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| 162 | },_setActive:function(e){ |
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| 163 | if(this.isOver){ |
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| 164 | return;
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| 165 | } |
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| 166 | this.isOver=true; |
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| 167 | if(this.conservativeTrigger){ |
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| 168 | this._onMouseMoveHandle=dojo.connect(document.documentElement,"onmousemove",this,"_onMouseMove"); |
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| 169 | this.timerScale=0; |
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| 170 | this._onMouseMove(e);
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| 171 | this._expandSlowly();
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| 172 | } |
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| 173 | },_onMouseMove:function(e){ |
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| 174 | if((e.pageX>=this.hitX1)&&(e.pageX<=this.hitX2)&&(e.pageY>=this.hitY1)&&(e.pageY<=this.hitY2)){ |
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| 175 | if(!this.isOver){ |
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| 176 | this._setActive(e);
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| 177 | } |
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| 178 | this._onGridMouseMove(e.pageX-this.hitX1,e.pageY-this.hitY1); |
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| 179 | }else{
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| 180 | if(this.isOver){ |
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| 181 | this._setDormant(e);
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| 182 | } |
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| 183 | } |
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| 184 | },_onScroll:function(){ |
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| 185 | this._calcHitGrid();
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| 186 | },onResized:function(){ |
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| 187 | this._calcHitGrid();
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| 188 | },_onGridMouseMove:function(x,y){ |
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| 189 | this.pos={x:x,y:y}; |
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| 190 | this._paint();
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| 191 | },_paint:function(){ |
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| 192 | var x=this.pos.x; |
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| 193 | var y=this.pos.y; |
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| 194 | if(this.itemCount<=0){ |
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| 195 | return;
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| 196 | } |
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| 197 | var pos=this.isHorizontal?x:y; |
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| 198 | var prx=this.isHorizontal?this.proximityLeft:this.proximityTop; |
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| 199 | var siz=this.isHorizontal?this.itemWidth:this.itemHeight; |
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| 200 | var sim=this.isHorizontal?(1-this.timerScale)*this.itemWidth+this.timerScale*this.itemMaxWidth:(1-this.timerScale)*this.itemHeight+this.timerScale*this.itemMaxHeight; |
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| 201 | var cen=((pos-prx)/siz)-0.5; |
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| 202 | var _12=(sim/siz)-0.5; |
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| 203 | if(_12>this.effectUnits){ |
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| 204 | _12=this.effectUnits;
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| 205 | } |
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| 206 | var _13=0; |
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| 207 | if(this.anchorEdge==this.EDGE.BOTTOM){ |
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| 208 | var _14=(y-this.proximityTop)/this.itemHeight; |
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| 209 | _13=(_14>0.5)?1:y/(this.proximityTop+(this.itemHeight/2)); |
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| 210 | } |
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| 211 | if(this.anchorEdge==this.EDGE.TOP){ |
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| 212 | var _14=(y-this.proximityTop)/this.itemHeight; |
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| 213 | _13=(_14<0.5)?1:(this.totalHeight-y)/(this.proximityBottom+(this.itemHeight/2)); |
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| 214 | } |
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| 215 | if(this.anchorEdge==this.EDGE.RIGHT){ |
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| 216 | var _14=(x-this.proximityLeft)/this.itemWidth; |
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| 217 | _13=(_14>0.5)?1:x/(this.proximityLeft+(this.itemWidth/2)); |
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| 218 | } |
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| 219 | if(this.anchorEdge==this.EDGE.LEFT){ |
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| 220 | var _14=(x-this.proximityLeft)/this.itemWidth; |
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| 221 | _13=(_14<0.5)?1:(this.totalWidth-x)/(this.proximityRight+(this.itemWidth/2)); |
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| 222 | } |
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| 223 | if(this.anchorEdge==this.EDGE.CENTER){ |
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| 224 | if(this.isHorizontal){ |
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| 225 | _13=y/(this.totalHeight);
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| 226 | }else{
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| 227 | _13=x/(this.totalWidth);
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| 228 | } |
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| 229 | if(_13>0.5){ |
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| 230 | _13=1-_13;
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| 231 | } |
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| 232 | _13*=2;
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| 233 | } |
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| 234 | for(var i=0;i<this.itemCount;i++){ |
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| 235 | var _15=this._weighAt(cen,i); |
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| 236 | if(_15<0){ |
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| 237 | _15=0;
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| 238 | } |
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| 239 | this._setItemSize(i,_15*_13);
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| 240 | } |
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| 241 | var _16=Math.round(cen);
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| 242 | var _17=0; |
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| 243 | if(cen<0){ |
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| 244 | _16=0;
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| 245 | }else{
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| 246 | if(cen>this.itemCount-1){ |
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| 247 | _16=this.itemCount-1; |
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| 248 | }else{
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| 249 | _17=(cen-_16)*((this.isHorizontal?this.itemWidth:this.itemHeight)-this.children[_16].sizeMain); |
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| 250 | } |
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| 251 | } |
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| 252 | this._positionElementsFrom(_16,_17);
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| 253 | },_weighAt:function(cen,i){ |
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| 254 | var _18=Math.abs(cen-i);
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| 255 | var _19=((cen-i)>0)?this.children[i].effectRangeRght:this.children[i].effectRangeLeft; |
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| 256 | return (_18>_19)?0:(1-_18/_19); |
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| 257 | },_setItemSize:function(p,_1a){ |
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| 258 | _1a*=this.timerScale;
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| 259 | var w=Math.round(this.itemWidth+((this.itemMaxWidth-this.itemWidth)*_1a)); |
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| 260 | var h=Math.round(this.itemHeight+((this.itemMaxHeight-this.itemHeight)*_1a)); |
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| 261 | if(this.isHorizontal){ |
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| 262 | this.children[p].sizeW=w;
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| 263 | this.children[p].sizeH=h;
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| 264 | this.children[p].sizeMain=w;
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| 265 | this.children[p].sizeOff=h;
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| 266 | var y=0; |
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| 267 | if(this.anchorEdge==this.EDGE.TOP){ |
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| 268 | y=(this.children[p].cenY-(this.itemHeight/2)); |
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| 269 | }else{
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| 270 | if(this.anchorEdge==this.EDGE.BOTTOM){ |
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| 271 | y=(this.children[p].cenY-(h-(this.itemHeight/2))); |
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| 272 | }else{
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| 273 | y=(this.children[p].cenY-(h/2)); |
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| 274 | } |
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| 275 | } |
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| 276 | this.children[p].usualX=Math.round(this.children[p].cenX-(w/2)); |
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| 277 | this.children[p].domNode.style.top=y+"px"; |
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| 278 | this.children[p].domNode.style.left=this.children[p].usualX+"px"; |
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| 279 | }else{
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| 280 | this.children[p].sizeW=w;
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| 281 | this.children[p].sizeH=h;
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| 282 | this.children[p].sizeOff=w;
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| 283 | this.children[p].sizeMain=h;
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| 284 | var x=0; |
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| 285 | if(this.anchorEdge==this.EDGE.LEFT){ |
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| 286 | x=this.children[p].cenX-(this.itemWidth/2); |
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| 287 | }else{
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| 288 | if(this.anchorEdge==this.EDGE.RIGHT){ |
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| 289 | x=this.children[p].cenX-(w-(this.itemWidth/2)); |
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| 290 | }else{
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| 291 | x=this.children[p].cenX-(w/2); |
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| 292 | } |
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| 293 | } |
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| 294 | this.children[p].domNode.style.left=x+"px"; |
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| 295 | this.children[p].usualY=Math.round(this.children[p].cenY-(h/2)); |
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| 296 | this.children[p].domNode.style.top=this.children[p].usualY+"px"; |
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| 297 | } |
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| 298 | this.children[p].domNode.style.width=w+"px"; |
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| 299 | this.children[p].domNode.style.height=h+"px"; |
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| 300 | if(this.children[p].svgNode){ |
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| 301 | this.children[p].svgNode.setSize(w,h);
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| 302 | } |
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| 303 | },_positionElementsFrom:function(p,_1b){ |
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| 304 | var pos=0; |
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| 305 | if(this.isHorizontal){ |
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| 306 | pos=Math.round(this.children[p].usualX+_1b);
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| 307 | this.children[p].domNode.style.left=pos+"px"; |
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| 308 | }else{
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| 309 | pos=Math.round(this.children[p].usualY+_1b);
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| 310 | this.children[p].domNode.style.top=pos+"px"; |
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| 311 | } |
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| 312 | this._positionLabel(this.children[p]); |
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| 313 | var _1c=pos;
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| 314 | for(var i=p-1;i>=0;i--){ |
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| 315 | _1c-=this.children[i].sizeMain;
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| 316 | if(this.isHorizontal){ |
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| 317 | this.children[i].domNode.style.left=_1c+"px"; |
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| 318 | }else{
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| 319 | this.children[i].domNode.style.top=_1c+"px"; |
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| 320 | } |
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| 321 | this._positionLabel(this.children[i]); |
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| 322 | } |
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| 323 | var _1d=pos;
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| 324 | for(var i=p+1;i<this.itemCount;i++){ |
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| 325 | _1d+=this.children[i-1].sizeMain; |
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| 326 | if(this.isHorizontal){ |
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| 327 | this.children[i].domNode.style.left=_1d+"px"; |
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| 328 | }else{
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| 329 | this.children[i].domNode.style.top=_1d+"px"; |
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| 330 | } |
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| 331 | this._positionLabel(this.children[i]); |
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| 332 | } |
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| 333 | },_positionLabel:function(itm){ |
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| 334 | var x=0; |
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| 335 | var y=0; |
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| 336 | var mb=dojo.marginBox(itm.lblNode);
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| 337 | if(this.labelEdge==this.EDGE.TOP){ |
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| 338 | x=Math.round((itm.sizeW/2)-(mb.w/2)); |
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| 339 | y=-mb.h; |
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| 340 | } |
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| 341 | if(this.labelEdge==this.EDGE.BOTTOM){ |
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| 342 | x=Math.round((itm.sizeW/2)-(mb.w/2)); |
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| 343 | y=itm.sizeH; |
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| 344 | } |
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| 345 | if(this.labelEdge==this.EDGE.LEFT){ |
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| 346 | x=-mb.w; |
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| 347 | y=Math.round((itm.sizeH/2)-(mb.h/2)); |
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| 348 | } |
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| 349 | if(this.labelEdge==this.EDGE.RIGHT){ |
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| 350 | x=itm.sizeW; |
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| 351 | y=Math.round((itm.sizeH/2)-(mb.h/2)); |
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| 352 | } |
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| 353 | itm.lblNode.style.left=x+"px";
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| 354 | itm.lblNode.style.top=y+"px";
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| 355 | },_calcHitGrid:function(){ |
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| 356 | var pos=dojo.coords(this.domNode,true); |
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| 357 | this.hitX1=pos.x-this.proximityLeft; |
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| 358 | this.hitY1=pos.y-this.proximityTop; |
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| 359 | this.hitX2=this.hitX1+this.totalWidth; |
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| 360 | this.hitY2=this.hitY1+this.totalHeight; |
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| 361 | },_toEdge:function(inp,def){ |
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| 362 | return this.EDGE[inp.toUpperCase()]||def; |
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| 363 | },_expandSlowly:function(){ |
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| 364 | if(!this.isOver){ |
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| 365 | return;
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| 366 | } |
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| 367 | this.timerScale+=0.2; |
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| 368 | this._paint();
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| 369 | if(this.timerScale<1){ |
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| 370 | setTimeout(dojo.hitch(this,"_expandSlowly"),10); |
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| 371 | } |
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| 372 | },destroyRecursive:function(){ |
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| 373 | dojo.disconnect(this._onMouseOutHandle);
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| 374 | dojo.disconnect(this._onMouseMoveHandle);
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| 375 | dojo.disconnect(this._addChildHandle);
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| 376 | if(this.isFixed){ |
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| 377 | dojo.disconnect(this._onScrollHandle);
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| 378 | } |
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| 379 | dojo.disconnect(this._onResizeHandle);
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| 380 | this.inherited("destroyRecursive",arguments); |
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| 381 | }}); |
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| 382 | dojo.declare("dojox.widget.FisheyeListItem",[dijit._Widget,dijit._Templated,dijit._Contained],{iconSrc:"",label:"",id:"",templateString:"<div class=\"dojoxFisheyeListItem\">"+" <img class=\"dojoxFisheyeListItemImage\" dojoAttachPoint=\"imgNode\" dojoAttachEvent=\"onmouseover:onMouseOver,onmouseout:onMouseOut,onclick:onClick\">"+" <div class=\"dojoxFisheyeListItemLabel\" dojoAttachPoint=\"lblNode\"></div>"+"</div>",_isNode:function(wh){ |
||
| 383 | if(typeof Element=="function"){ |
||
| 384 | try{
|
||
| 385 | return wh instanceof Element; |
||
| 386 | } |
||
| 387 | catch(e){
|
||
| 388 | } |
||
| 389 | }else{
|
||
| 390 | return wh&&!isNaN(wh.nodeType);
|
||
| 391 | } |
||
| 392 | },_hasParent:function(_1e){ |
||
| 393 | return Boolean(_1e&&_1e.parentNode&&this._isNode(_1e.parentNode)); |
||
| 394 | },postCreate:function(){ |
||
| 395 | if((this.iconSrc.toLowerCase().substring(this.iconSrc.length-4)==".png")&&dojo.isIE<7){ |
||
| 396 | if(this._hasParent(this.imgNode)&&this.id!=""){ |
||
| 397 | var _1f=this.imgNode.parentNode; |
||
| 398 | _1f.setAttribute("id",this.id); |
||
| 399 | } |
||
| 400 | this.imgNode.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+this.iconSrc+"', sizingMethod='scale')"; |
||
| 401 | this.imgNode.src=this._blankGif.toString(); |
||
| 402 | }else{
|
||
| 403 | if(this._hasParent(this.imgNode)&&this.id!=""){ |
||
| 404 | var _1f=this.imgNode.parentNode; |
||
| 405 | _1f.setAttribute("id",this.id); |
||
| 406 | } |
||
| 407 | this.imgNode.src=this.iconSrc; |
||
| 408 | } |
||
| 409 | if(this.lblNode){ |
||
| 410 | this.lblNode.appendChild(document.createTextNode(this.label)); |
||
| 411 | } |
||
| 412 | dojo.setSelectable(this.domNode,false); |
||
| 413 | this.startup();
|
||
| 414 | },startup:function(){ |
||
| 415 | this.parent=this.getParent(); |
||
| 416 | },onMouseOver:function(e){ |
||
| 417 | if(!this.parent.isOver){ |
||
| 418 | this.parent._setActive(e);
|
||
| 419 | } |
||
| 420 | if(this.label!=""){ |
||
| 421 | dojo.addClass(this.lblNode,"dojoxFishSelected"); |
||
| 422 | this.parent._positionLabel(this); |
||
| 423 | } |
||
| 424 | },onMouseOut:function(e){ |
||
| 425 | dojo.removeClass(this.lblNode,"dojoxFishSelected"); |
||
| 426 | },onClick:function(e){ |
||
| 427 | }}); |
||
| 428 | } |