root / trunk / web / dojo / dojox / charting / plot2d / Grid.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.charting.plot2d.Grid"]){ |
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9 | dojo._hasResource["dojox.charting.plot2d.Grid"]=true; |
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10 | dojo.provide("dojox.charting.plot2d.Grid");
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11 | dojo.require("dojox.charting.Element");
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12 | dojo.require("dojox.charting.plot2d.common");
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13 | dojo.require("dojox.lang.functional");
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14 | dojo.require("dojox.lang.utils");
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15 | (function(){
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16 | var du=dojox.lang.utils,dc=dojox.charting.plot2d.common;
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17 | dojo.declare("dojox.charting.plot2d.Grid",dojox.charting.Element,{defaultParams:{hAxis:"x",vAxis:"y",hMajorLines:true,hMinorLines:false,vMajorLines:true,vMinorLines:false,hStripes:"none",vStripes:"none",animate:null},optionalParams:{},constructor:function(_1,_2){ |
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18 | this.opt=dojo.clone(this.defaultParams); |
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19 | du.updateWithObject(this.opt,_2);
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20 | this.hAxis=this.opt.hAxis; |
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21 | this.vAxis=this.opt.vAxis; |
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22 | this.dirty=true; |
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23 | this.animate=this.opt.animate; |
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24 | this.zoom=null,this.zoomQueue=[]; |
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25 | this.lastWindow={vscale:1,hscale:1,xoffset:0,yoffset:0}; |
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26 | },clear:function(){ |
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27 | this._hAxis=null; |
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28 | this._vAxis=null; |
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29 | this.dirty=true; |
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30 | return this; |
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31 | },setAxis:function(_3){ |
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32 | if(_3){
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33 | this[_3.vertical?"_vAxis":"_hAxis"]=_3; |
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34 | } |
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35 | return this; |
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36 | },addSeries:function(_4){ |
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37 | return this; |
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38 | },getSeriesStats:function(){ |
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39 | return dojo.delegate(dc.defaultStats);
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40 | },initializeScalers:function(){ |
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41 | return this; |
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42 | },isDirty:function(){ |
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43 | return this.dirty||this._hAxis&&this._hAxis.dirty||this._vAxis&&this._vAxis.dirty; |
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44 | },performZoom:function(_5,_6){ |
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45 | var vs=this._vAxis.scale||1,hs=this._hAxis.scale||1,_7=_5.height-_6.b,_8=this._hAxis.getScaler().bounds,_9=(_8.from-_8.lower)*_8.scale,_a=this._vAxis.getScaler().bounds,_b=(_a.from-_a.lower)*_a.scale; |
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46 | rVScale=vs/this.lastWindow.vscale,rHScale=hs/this.lastWindow.hscale,rXOffset=(this.lastWindow.xoffset-_9)/((this.lastWindow.hscale==1)?hs:this.lastWindow.hscale),rYOffset=(_b-this.lastWindow.yoffset)/((this.lastWindow.vscale==1)?vs:this.lastWindow.vscale),shape=this.group,anim=dojox.gfx.fx.animateTransform(dojo.delegate({shape:shape,duration:1200,transform:[{name:"translate",start:[0,0],end:[_6.l*(1-rHScale),_7*(1-rVScale)]},{name:"scale",start:[1,1],end:[rHScale,rVScale]},{name:"original"},{name:"translate",start:[0,0],end:[rXOffset,rYOffset]}]},this.zoom)); |
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47 | dojo.mixin(this.lastWindow,{vscale:vs,hscale:hs,xoffset:_9,yoffset:_b}); |
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48 | this.zoomQueue.push(anim);
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49 | dojo.connect(anim,"onEnd",this,function(){ |
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50 | this.zoom=null; |
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51 | this.zoomQueue.shift();
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52 | if(this.zoomQueue.length>0){ |
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53 | this.zoomQueue[0].play(); |
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54 | } |
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55 | }); |
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56 | if(this.zoomQueue.length==1){ |
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57 | this.zoomQueue[0].play(); |
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58 | } |
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59 | return this; |
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60 | },getRequiredColors:function(){ |
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61 | return 0; |
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62 | },render:function(_c,_d){ |
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63 | if(this.zoom){ |
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64 | return this.performZoom(_c,_d); |
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65 | } |
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66 | this.dirty=this.isDirty(); |
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67 | if(!this.dirty){ |
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68 | return this; |
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69 | } |
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70 | this.cleanGroup();
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71 | var s=this.group,ta=this.chart.theme.axis; |
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72 | try{
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73 | var _e=this._vAxis.getScaler(),vt=_e.scaler.getTransformerFromModel(_e),_f=this._vAxis.getTicks(); |
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74 | if(this.opt.hMinorLines){ |
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75 | dojo.forEach(_f.minor,function(_10){
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76 | var y=_c.height-_d.b-vt(_10.value);
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77 | var _11=s.createLine({x1:_d.l,y1:y,x2:_c.width-_d.r,y2:y}).setStroke(ta.minorTick); |
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78 | if(this.animate){ |
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79 | this._animateGrid(_11,"h",_d.l,_d.r+_d.l-_c.width); |
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80 | } |
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81 | },this);
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82 | } |
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83 | if(this.opt.hMajorLines){ |
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84 | dojo.forEach(_f.major,function(_12){
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85 | var y=_c.height-_d.b-vt(_12.value);
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86 | var _13=s.createLine({x1:_d.l,y1:y,x2:_c.width-_d.r,y2:y}).setStroke(ta.majorTick); |
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87 | if(this.animate){ |
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88 | this._animateGrid(_13,"h",_d.l,_d.r+_d.l-_c.width); |
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89 | } |
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90 | },this);
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91 | } |
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92 | } |
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93 | catch(e){
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94 | } |
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95 | try{
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96 | var _14=this._hAxis.getScaler(),ht=_14.scaler.getTransformerFromModel(_14),_f=this._hAxis.getTicks(); |
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97 | if(_f&&this.opt.vMinorLines){ |
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98 | dojo.forEach(_f.minor,function(_15){
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99 | var x=_d.l+ht(_15.value);
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100 | var _16=s.createLine({x1:x,y1:_d.t,x2:x,y2:_c.height-_d.b}).setStroke(ta.minorTick); |
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101 | if(this.animate){ |
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102 | this._animateGrid(_16,"v",_c.height-_d.b,_c.height-_d.b-_d.t); |
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103 | } |
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104 | },this);
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105 | } |
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106 | if(_f&&this.opt.vMajorLines){ |
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107 | dojo.forEach(_f.major,function(_17){
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108 | var x=_d.l+ht(_17.value);
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109 | var _18=s.createLine({x1:x,y1:_d.t,x2:x,y2:_c.height-_d.b}).setStroke(ta.majorTick); |
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110 | if(this.animate){ |
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111 | this._animateGrid(_18,"v",_c.height-_d.b,_c.height-_d.b-_d.t); |
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112 | } |
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113 | },this);
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114 | } |
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115 | } |
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116 | catch(e){
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117 | } |
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118 | this.dirty=false; |
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119 | return this; |
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120 | },_animateGrid:function(_19,_1a,_1b,_1c){ |
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121 | var _1d=_1a=="h"?[_1b,0]:[0,_1b]; |
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122 | var _1e=_1a=="h"?[1/_1c,1]:[1,1/_1c]; |
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123 | dojox.gfx.fx.animateTransform(dojo.delegate({shape:_19,duration:1200,transform:[{name:"translate",start:_1d,end:[0,0]},{name:"scale",start:_1e,end:[1,1]},{name:"original"}]},this.animate)).play(); |
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124 | }}); |
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125 | })(); |
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126 | } |