1 | define(["dojo/_base/connect", "dojo/_base/declare", "./PlotAction", "dojo/fx/easing", "dojox/gfx/matrix", |
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2 | "dojox/gfx/fx", "dojox/lang/functional", "dojox/lang/functional/scan", "dojox/lang/functional/fold"], |
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3 | function(hub, declare, PlotAction, dfe, m, gf, df, dfs, dff){ |
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4 | |
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5 | /*===== |
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6 | dojo.declare("dojox.charting.action2d.__MoveSliceCtorArgs", dojox.charting.action2d.__PlotActionCtorArgs, { |
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7 | // summary: |
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8 | // Additional arguments for highlighting actions. |
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9 | |
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10 | // scale: Number? |
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11 | // The amount to scale the pie slice. Default is 1.05. |
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12 | scale: 1.05, |
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13 | |
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14 | // shift: Number? |
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15 | // The amount in pixels to shift the pie slice. Default is 7. |
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16 | shift: 7 |
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17 | }); |
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18 | var PlotAction = dojox.charting.action2d.PlotAction; |
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19 | =====*/ |
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20 | |
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21 | var DEFAULT_SCALE = 1.05, |
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22 | DEFAULT_SHIFT = 7; // px |
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23 | |
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24 | return declare("dojox.charting.action2d.MoveSlice", PlotAction, { |
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25 | // summary: |
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26 | // Create an action for a pie chart that moves and scales a pie slice. |
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27 | |
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28 | // the data description block for the widget parser |
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29 | defaultParams: { |
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30 | duration: 400, // duration of the action in ms |
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31 | easing: dfe.backOut, // easing for the action |
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32 | scale: DEFAULT_SCALE, // scale of magnification |
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33 | shift: DEFAULT_SHIFT // shift of the slice |
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34 | }, |
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35 | optionalParams: {}, // no optional parameters |
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36 | |
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37 | constructor: function(chart, plot, kwArgs){ |
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38 | // summary: |
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39 | // Create the slice moving action and connect it to the plot. |
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40 | // chart: dojox.charting.Chart |
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41 | // The chart this action belongs to. |
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42 | // plot: String? |
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43 | // The plot this action is attached to. If not passed, "default" is assumed. |
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44 | // kwArgs: dojox.charting.action2d.__MoveSliceCtorArgs? |
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45 | // Optional keyword arguments object for setting parameters. |
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46 | if(!kwArgs){ kwArgs = {}; } |
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47 | this.scale = typeof kwArgs.scale == "number" ? kwArgs.scale : DEFAULT_SCALE; |
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48 | this.shift = typeof kwArgs.shift == "number" ? kwArgs.shift : DEFAULT_SHIFT; |
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49 | |
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50 | this.connect(); |
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51 | }, |
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52 | |
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53 | process: function(o){ |
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54 | // summary: |
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55 | // Process the action on the given object. |
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56 | // o: dojox.gfx.Shape |
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57 | // The object on which to process the slice moving action. |
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58 | if(!o.shape || o.element != "slice" || !(o.type in this.overOutEvents)){ return; } |
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59 | |
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60 | if(!this.angles){ |
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61 | // calculate the running total of slice angles |
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62 | var startAngle = m._degToRad(o.plot.opt.startAngle); |
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63 | if(typeof o.run.data[0] == "number"){ |
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64 | this.angles = df.map(df.scanl(o.run.data, "+", startAngle), |
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65 | "* 2 * Math.PI / this", df.foldl(o.run.data, "+", 0)); |
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66 | }else{ |
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67 | this.angles = df.map(df.scanl(o.run.data, "a + b.y", startAngle), |
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68 | "* 2 * Math.PI / this", df.foldl(o.run.data, "a + b.y", 0)); |
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69 | } |
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70 | } |
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71 | |
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72 | var index = o.index, anim, startScale, endScale, startOffset, endOffset, |
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73 | angle = (this.angles[index] + this.angles[index + 1]) / 2, |
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74 | rotateTo0 = m.rotateAt(-angle, o.cx, o.cy), |
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75 | rotateBack = m.rotateAt( angle, o.cx, o.cy); |
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76 | |
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77 | anim = this.anim[index]; |
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78 | |
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79 | if(anim){ |
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80 | anim.action.stop(true); |
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81 | }else{ |
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82 | this.anim[index] = anim = {}; |
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83 | } |
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84 | |
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85 | if(o.type == "onmouseover"){ |
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86 | startOffset = 0; |
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87 | endOffset = this.shift; |
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88 | startScale = 1; |
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89 | endScale = this.scale; |
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90 | }else{ |
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91 | startOffset = this.shift; |
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92 | endOffset = 0; |
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93 | startScale = this.scale; |
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94 | endScale = 1; |
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95 | } |
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96 | |
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97 | anim.action = gf.animateTransform({ |
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98 | shape: o.shape, |
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99 | duration: this.duration, |
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100 | easing: this.easing, |
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101 | transform: [ |
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102 | rotateBack, |
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103 | {name: "translate", start: [startOffset, 0], end: [endOffset, 0]}, |
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104 | {name: "scaleAt", start: [startScale, o.cx, o.cy], end: [endScale, o.cx, o.cy]}, |
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105 | rotateTo0 |
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106 | ] |
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107 | }); |
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108 | |
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109 | if(o.type == "onmouseout"){ |
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110 | hub.connect(anim.action, "onEnd", this, function(){ |
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111 | delete this.anim[index]; |
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112 | }); |
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113 | } |
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114 | anim.action.play(); |
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115 | }, |
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116 | |
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117 | reset: function(){ |
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118 | delete this.angles; |
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119 | } |
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120 | }); |
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121 | }); |
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