root / trunk / web / dojo / dojox / widget / AnalogGauge.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.AnalogGauge"]){ |
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9 | dojo._hasResource["dojox.widget.AnalogGauge"]=true; |
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10 | dojo.provide("dojox.widget.AnalogGauge");
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11 | dojo.require("dojox.gfx");
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12 | dojo.require("dojox.widget.gauge._Gauge");
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13 | dojo.experimental("dojox.widget.AnalogGauge");
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14 | dojo.declare("dojox.widget.gauge.AnalogLineIndicator",[dojox.widget.gauge._Indicator],{_getShapes:function(){ |
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15 | var _1=[];
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16 | _1[0]=this._gauge.surface.createLine({x1:0,y1:-this.offset,x2:0,y2:-this.length-this.offset}).setStroke({color:this.color,width:this.width}); |
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17 | return _1;
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18 | },draw:function(_2){ |
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19 | if(this.shapes){ |
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20 | this._move(_2);
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21 | }else{
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22 | if(this.text){ |
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23 | this._gauge.surface.rawNode.removeChild(this.text); |
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24 | this.text=null; |
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25 | } |
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26 | var v=this.value; |
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27 | if(v<this._gauge.min){ |
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28 | v=this._gauge.min;
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29 | } |
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30 | if(v>this._gauge.max){ |
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31 | v=this._gauge.max;
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32 | } |
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33 | var a=this._gauge._getAngle(v); |
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34 | this.color=this.color||"#000000"; |
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35 | this.length=this.length||this._gauge.radius; |
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36 | this.width=this.width||1; |
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37 | this.offset=this.offset||0; |
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38 | this.highlight=this.highlight||"#D0D0D0"; |
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39 | this.shapes=this._getShapes(this._gauge,this); |
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40 | if(this.shapes){ |
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41 | for(var s=0;s<this.shapes.length;s++){ |
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42 | this.shapes[s].setTransform([{dx:this._gauge.cx,dy:this._gauge.cy},dojox.gfx.matrix.rotateg(a)]); |
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43 | if(this.hover){ |
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44 | this.shapes[s].getEventSource().setAttribute("hover",this.hover); |
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45 | } |
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46 | if(this.onDragMove&&!this.noChange){ |
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47 | this._gauge.connect(this.shapes[s].getEventSource(),"onmousedown",this._gauge.handleMouseDown); |
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48 | this.shapes[s].getEventSource().style.cursor="pointer"; |
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49 | } |
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50 | } |
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51 | } |
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52 | if(this.label){ |
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53 | var _3=this.length+this.offset; |
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54 | var x=this._gauge.cx+(_3+5)*Math.sin(this._gauge._getRadians(a)); |
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55 | var y=this._gauge.cy-(_3+5)*Math.cos(this._gauge._getRadians(a)); |
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56 | var _4="start"; |
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57 | if(a<=-10){ |
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58 | _4="end";
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59 | } |
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60 | if(a>-10&&a<10){ |
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61 | _4="middle";
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62 | } |
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63 | var _5="bottom"; |
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64 | if((a<-90)||(a>90)){ |
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65 | _5="top";
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66 | } |
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67 | this.text=this._gauge.drawText(""+this.label,x,y,_4,_5,this.color,this.font); |
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68 | } |
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69 | this.currentValue=this.value; |
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70 | } |
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71 | },_move:function(_6){ |
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72 | var v=this.value; |
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73 | if(v<this._gauge.min){ |
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74 | v=this._gauge.min;
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75 | } |
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76 | if(v>this._gauge.max){ |
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77 | v=this._gauge.max;
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78 | } |
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79 | var c=this.currentValue; |
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80 | if(_6){
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81 | var _7=this._gauge._getAngle(v); |
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82 | for(var i in this.shapes){ |
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83 | this.shapes[i].setTransform([{dx:this._gauge.cx,dy:this._gauge.cy},dojox.gfx.matrix.rotateg(_7)]); |
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84 | if(this.hover){ |
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85 | this.shapes[i].getEventSource().setAttribute("hover",this.hover); |
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86 | } |
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87 | } |
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88 | }else{
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89 | if(c!=v){
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90 | var _8=new dojo.Animation({curve:[c,v],duration:this.duration,easing:this.easing}); |
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91 | dojo.connect(_8,"onAnimate",dojo.hitch(this,function(_9){ |
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92 | for(var i in this.shapes){ |
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93 | this.shapes[i].setTransform([{dx:this._gauge.cx,dy:this._gauge.cy},dojox.gfx.matrix.rotateg(this._gauge._getAngle(_9))]); |
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94 | if(this.hover){ |
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95 | this.shapes[i].getEventSource().setAttribute("hover",this.hover); |
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96 | } |
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97 | } |
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98 | this.currentValue=_9;
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99 | })); |
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100 | _8.play(); |
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101 | } |
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102 | } |
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103 | }}); |
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104 | dojo.declare("dojox.widget.AnalogGauge",dojox.widget.gauge._Gauge,{startAngle:-90,endAngle:90,cx:0,cy:0,radius:0,_defaultIndicator:dojox.widget.gauge.AnalogLineIndicator,startup:function(){ |
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105 | if(this.getChildren){ |
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106 | dojo.forEach(this.getChildren(),function(_a){ |
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107 | _a.startup(); |
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108 | }); |
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109 | } |
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110 | this.startAngle=Number(this.startAngle); |
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111 | this.endAngle=Number(this.endAngle); |
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112 | this.cx=Number(this.cx); |
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113 | if(!this.cx){ |
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114 | this.cx=this.width/2; |
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115 | } |
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116 | this.cy=Number(this.cy); |
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117 | if(!this.cy){ |
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118 | this.cy=this.height/2; |
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119 | } |
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120 | this.radius=Number(this.radius); |
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121 | if(!this.radius){ |
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122 | this.radius=Math.min(this.cx,this.cy)-25; |
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123 | } |
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124 | this._oppositeMiddle=(this.startAngle+this.endAngle)/2+180; |
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125 | this.inherited(arguments); |
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126 | },_getAngle:function(_b){ |
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127 | return (_b-this.min)/(this.max-this.min)*(this.endAngle-this.startAngle)+this.startAngle; |
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128 | },_getValueForAngle:function(_c){ |
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129 | if(_c>this._oppositeMiddle){ |
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130 | _c-=360;
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131 | } |
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132 | return (_c-this.startAngle)*(this.max-this.min)/(this.endAngle-this.startAngle)+this.min; |
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133 | },_getRadians:function(_d){ |
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134 | return _d*Math.PI/180; |
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135 | },_getDegrees:function(_e){ |
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136 | return _e*180/Math.PI; |
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137 | },draw:function(){ |
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138 | var i;
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139 | if(this._rangeData){ |
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140 | for(i=0;i<this._rangeData.length;i++){ |
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141 | this.drawRange(this._rangeData[i]); |
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142 | } |
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143 | if(this._img&&this.image.overlay){ |
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144 | this._img.moveToFront();
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145 | } |
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146 | } |
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147 | if(this._indicatorData){ |
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148 | for(i=0;i<this._indicatorData.length;i++){ |
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149 | this._indicatorData[i].draw();
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150 | } |
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151 | } |
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152 | },drawRange:function(_f){ |
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153 | var _10;
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154 | if(_f.shape){
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155 | this.surface.remove(_f.shape);
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156 | _f.shape=null;
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157 | } |
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158 | var a1;
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159 | var a2;
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160 | if((_f.low==this.min)&&(_f.high==this.max)&&((this.endAngle-this.startAngle)==360)){ |
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161 | _10=this.surface.createCircle({cx:this.cx,cy:this.cy,r:this.radius}); |
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162 | }else{
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163 | a1=this._getRadians(this._getAngle(_f.low)); |
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164 | a2=this._getRadians(this._getAngle(_f.high)); |
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165 | var x1=this.cx+this.radius*Math.sin(a1); |
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166 | var y1=this.cy-this.radius*Math.cos(a1); |
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167 | var x2=this.cx+this.radius*Math.sin(a2); |
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168 | var y2=this.cy-this.radius*Math.cos(a2); |
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169 | var big=0; |
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170 | if((a2-a1)>Math.PI){
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171 | big=1;
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172 | } |
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173 | _10=this.surface.createPath();
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174 | if(_f.size){
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175 | _10.moveTo(this.cx+(this.radius-_f.size)*Math.sin(a1),this.cy-(this.radius-_f.size)*Math.cos(a1)); |
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176 | }else{
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177 | _10.moveTo(this.cx,this.cy); |
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178 | } |
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179 | _10.lineTo(x1,y1); |
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180 | _10.arcTo(this.radius,this.radius,0,big,1,x2,y2); |
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181 | if(_f.size){
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182 | _10.lineTo(this.cx+(this.radius-_f.size)*Math.sin(a2),this.cy-(this.radius-_f.size)*Math.cos(a2)); |
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183 | _10.arcTo((this.radius-_f.size),(this.radius-_f.size),0,big,0,this.cx+(this.radius-_f.size)*Math.sin(a1),this.cy-(this.radius-_f.size)*Math.cos(a1)); |
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184 | } |
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185 | _10.closePath(); |
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186 | } |
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187 | if(dojo.isArray(_f.color)||dojo.isString(_f.color)){
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188 | _10.setStroke({color:_f.color});
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189 | _10.setFill(_f.color); |
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190 | }else{
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191 | if(_f.color.type){
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192 | a1=this._getRadians(this._getAngle(_f.low)); |
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193 | a2=this._getRadians(this._getAngle(_f.high)); |
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194 | _f.color.x1=this.cx+(this.radius*Math.sin(a1))/2; |
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195 | _f.color.x2=this.cx+(this.radius*Math.sin(a2))/2; |
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196 | _f.color.y1=this.cy-(this.radius*Math.cos(a1))/2; |
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197 | _f.color.y2=this.cy-(this.radius*Math.cos(a2))/2; |
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198 | _10.setFill(_f.color); |
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199 | _10.setStroke({color:_f.color.colors[0].color}); |
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200 | }else{
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201 | _10.setStroke({color:"green"}); |
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202 | _10.setFill("green");
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203 | _10.getEventSource().setAttribute("class",_f.color.style);
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204 | } |
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205 | } |
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206 | if(_f.hover){
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207 | _10.getEventSource().setAttribute("hover",_f.hover);
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208 | } |
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209 | _f.shape=_10; |
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210 | },getRangeUnderMouse:function(_11){ |
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211 | var _12=null; |
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212 | var pos=dojo.coords(this.gaugeContent); |
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213 | var x=_11.clientX-pos.x;
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214 | var y=_11.clientY-pos.y;
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215 | var r=Math.sqrt((y-this.cy)*(y-this.cy)+(x-this.cx)*(x-this.cx)); |
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216 | if(r<this.radius){ |
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217 | var _13=this._getDegrees(Math.atan2(y-this.cy,x-this.cx)+Math.PI/2); |
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218 | var _14=this._getValueForAngle(_13); |
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219 | if(this._rangeData){ |
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220 | for(var i=0;(i<this._rangeData.length)&&!_12;i++){ |
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221 | if((Number(this._rangeData[i].low)<=_14)&&(Number(this._rangeData[i].high)>=_14)){ |
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222 | _12=this._rangeData[i];
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223 | } |
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224 | } |
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225 | } |
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226 | } |
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227 | return _12;
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228 | },_dragIndicator:function(_15,_16){ |
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229 | var pos=dojo.coords(_15.gaugeContent);
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230 | var x=_16.clientX-pos.x;
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231 | var y=_16.clientY-pos.y;
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232 | var _17=_15._getDegrees(Math.atan2(y-_15.cy,x-_15.cx)+Math.PI/2); |
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233 | var _18=_15._getValueForAngle(_17);
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234 | if(_18<_15.min){
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235 | _18=_15.min; |
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236 | } |
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237 | if(_18>_15.max){
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238 | _18=_15.max; |
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239 | } |
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240 | _15._drag.value=_18; |
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241 | _15._drag.currentValue=_18; |
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242 | _15._drag.onDragMove(_15._drag); |
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243 | _15._drag.draw(true);
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244 | dojo.stopEvent(_16); |
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245 | }}); |
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246 | } |