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){ |
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383 | if(typeof Element=="function"){ |
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384 | try{
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385 | return wh instanceof Element; |
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386 | } |
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387 | catch(e){
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388 | } |
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389 | }else{
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390 | return wh&&!isNaN(wh.nodeType);
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391 | } |
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392 | },_hasParent:function(_1e){ |
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393 | return Boolean(_1e&&_1e.parentNode&&this._isNode(_1e.parentNode)); |
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394 | },postCreate:function(){ |
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395 | if((this.iconSrc.toLowerCase().substring(this.iconSrc.length-4)==".png")&&dojo.isIE<7){ |
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396 | if(this._hasParent(this.imgNode)&&this.id!=""){ |
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397 | var _1f=this.imgNode.parentNode; |
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398 | _1f.setAttribute("id",this.id); |
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399 | } |
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400 | this.imgNode.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+this.iconSrc+"', sizingMethod='scale')"; |
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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 | } |