root / trunk / web / dojo / dojox / charting / Element.js @ 12
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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.charting.Element"]){ |
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| 9 | dojo._hasResource["dojox.charting.Element"]=true; |
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| 10 | dojo.provide("dojox.charting.Element");
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| 11 | dojo.require("dojox.gfx");
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| 12 | dojo.declare("dojox.charting.Element",null,{chart:null,group:null,htmlElements:null,dirty:true,constructor:function(_1){ |
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| 13 | this.chart=_1;
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| 14 | this.group=null; |
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| 15 | this.htmlElements=[];
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| 16 | this.dirty=true; |
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| 17 | },createGroup:function(_2){ |
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| 18 | if(!_2){
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| 19 | _2=this.chart.surface;
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| 20 | } |
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| 21 | if(!this.group){ |
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| 22 | this.group=_2.createGroup();
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| 23 | } |
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| 24 | return this; |
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| 25 | },purgeGroup:function(){ |
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| 26 | this.destroyHtmlElements();
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| 27 | if(this.group){ |
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| 28 | this.group.clear();
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| 29 | this.group.removeShape();
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| 30 | this.group=null; |
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| 31 | } |
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| 32 | this.dirty=true; |
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| 33 | return this; |
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| 34 | },cleanGroup:function(_3){ |
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| 35 | this.destroyHtmlElements();
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| 36 | if(!_3){
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| 37 | _3=this.chart.surface;
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| 38 | } |
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| 39 | if(this.group){ |
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| 40 | this.group.clear();
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| 41 | }else{
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| 42 | this.group=_3.createGroup();
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| 43 | } |
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| 44 | this.dirty=true; |
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| 45 | return this; |
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| 46 | },destroyHtmlElements:function(){ |
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| 47 | if(this.htmlElements.length){ |
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| 48 | dojo.forEach(this.htmlElements,dojo.destroy);
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| 49 | this.htmlElements=[];
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| 50 | } |
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| 51 | },destroy:function(){ |
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| 52 | this.purgeGroup();
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| 53 | },_plotFill:function(_4,_5,_6){ |
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| 54 | if(!_4||!_4.type||!_4.space){
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| 55 | return _4;
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| 56 | } |
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| 57 | var _7=_4.space;
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| 58 | switch(_4.type){
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| 59 | case "linear": |
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| 60 | if(_7==="plot"||_7==="shapeX"||_7==="shapeY"){ |
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| 61 | _4=dojox.gfx.makeParameters(dojox.gfx.defaultLinearGradient,_4); |
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| 62 | _4.space=_7; |
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| 63 | if(_7==="plot"||_7==="shapeX"){ |
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| 64 | var _8=_5.height-_6.t-_6.b;
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| 65 | _4.y1=_6.t+_8*_4.y1/100;
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| 66 | _4.y2=_6.t+_8*_4.y2/100;
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| 67 | } |
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| 68 | if(_7==="plot"||_7==="shapeY"){ |
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| 69 | var _8=_5.width-_6.l-_6.r;
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| 70 | _4.x1=_6.l+_8*_4.x1/100;
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| 71 | _4.x2=_6.l+_8*_4.x2/100;
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| 72 | } |
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| 73 | } |
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| 74 | break;
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| 75 | case "radial": |
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| 76 | if(_7==="plot"){ |
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| 77 | _4=dojox.gfx.makeParameters(dojox.gfx.defaultRadialGradient,_4); |
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| 78 | _4.space=_7; |
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| 79 | var _9=_5.width-_6.l-_6.r,_a=_5.height-_6.t-_6.b;
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| 80 | _4.cx=_6.l+_9*_4.cx/100;
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| 81 | _4.cy=_6.t+_a*_4.cy/100;
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| 82 | _4.r=_4.r*Math.sqrt(_9*_9+_a*_a)/200;
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| 83 | } |
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| 84 | break;
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| 85 | case "pattern": |
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| 86 | if(_7==="plot"||_7==="shapeX"||_7==="shapeY"){ |
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| 87 | _4=dojox.gfx.makeParameters(dojox.gfx.defaultPattern,_4); |
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| 88 | _4.space=_7; |
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| 89 | if(_7==="plot"||_7==="shapeX"){ |
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| 90 | var _8=_5.height-_6.t-_6.b;
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| 91 | _4.y=_6.t+_8*_4.y/100;
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| 92 | _4.height=_8*_4.height/100;
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| 93 | } |
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| 94 | if(_7==="plot"||_7==="shapeY"){ |
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| 95 | var _8=_5.width-_6.l-_6.r;
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| 96 | _4.x=_6.l+_8*_4.x/100;
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| 97 | _4.width=_8*_4.width/100;
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| 98 | } |
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| 99 | } |
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| 100 | break;
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| 101 | } |
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| 102 | return _4;
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| 103 | },_shapeFill:function(_b,_c){ |
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| 104 | if(!_b||!_b.space){
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| 105 | return _b;
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| 106 | } |
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| 107 | var _d=_b.space;
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| 108 | switch(_b.type){
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| 109 | case "linear": |
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| 110 | if(_d==="shape"||_d==="shapeX"||_d==="shapeY"){ |
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| 111 | _b=dojox.gfx.makeParameters(dojox.gfx.defaultLinearGradient,_b); |
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| 112 | _b.space=_d; |
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| 113 | if(_d==="shape"||_d==="shapeX"){ |
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| 114 | var _e=_c.width;
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| 115 | _b.x1=_c.x+_e*_b.x1/100;
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| 116 | _b.x2=_c.x+_e*_b.x2/100;
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| 117 | } |
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| 118 | if(_d==="shape"||_d==="shapeY"){ |
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| 119 | var _e=_c.height;
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| 120 | _b.y1=_c.y+_e*_b.y1/100;
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| 121 | _b.y2=_c.y+_e*_b.y2/100;
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| 122 | } |
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| 123 | } |
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| 124 | break;
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| 125 | case "radial": |
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| 126 | if(_d==="shape"){ |
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| 127 | _b=dojox.gfx.makeParameters(dojox.gfx.defaultRadialGradient,_b); |
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| 128 | _b.space=_d; |
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| 129 | _b.cx=_c.x+_c.width/2;
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| 130 | _b.cy=_c.y+_c.height/2;
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| 131 | _b.r=_b.r*_c.width/200;
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| 132 | } |
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| 133 | break;
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| 134 | case "pattern": |
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| 135 | if(_d==="shape"||_d==="shapeX"||_d==="shapeY"){ |
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| 136 | _b=dojox.gfx.makeParameters(dojox.gfx.defaultPattern,_b); |
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| 137 | _b.space=_d; |
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| 138 | if(_d==="shape"||_d==="shapeX"){ |
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| 139 | var _e=_c.width;
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| 140 | _b.x=_c.x+_e*_b.x/100;
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| 141 | _b.width=_e*_b.width/100;
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| 142 | } |
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| 143 | if(_d==="shape"||_d==="shapeY"){ |
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| 144 | var _e=_c.height;
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| 145 | _b.y=_c.y+_e*_b.y/100;
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| 146 | _b.height=_e*_b.height/100;
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| 147 | } |
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| 148 | } |
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| 149 | break;
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| 150 | } |
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| 151 | return _b;
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| 152 | },_pseudoRadialFill:function(_f,_10,_11,_12,end){ |
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| 153 | if(!_f||_f.type!=="radial"||_f.space!=="shape"){ |
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| 154 | return _f;
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| 155 | } |
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| 156 | var _13=_f.space;
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| 157 | _f=dojox.gfx.makeParameters(dojox.gfx.defaultRadialGradient,_f); |
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| 158 | _f.space=_13; |
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| 159 | if(arguments.length<4){ |
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| 160 | _f.cx=_10.x; |
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| 161 | _f.cy=_10.y; |
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| 162 | _f.r=_f.r*_11/100;
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| 163 | return _f;
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| 164 | } |
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| 165 | var _14=arguments.length<5?_12:(end+_12)/2; |
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| 166 | return {type:"linear",x1:_10.x,y1:_10.y,x2:_10.x+_f.r*_11*Math.cos(_14)/100,y2:_10.y+_f.r*_11*Math.sin(_14)/100,colors:_f.colors}; |
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| 167 | return _f;
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| 168 | }}); |
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| 169 | } |