root / trunk / web / dojo / dojox / sketch / SingleArrowAnnotation.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.sketch.SingleArrowAnnotation"]){ |
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9 | dojo._hasResource["dojox.sketch.SingleArrowAnnotation"]=true; |
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10 | dojo.provide("dojox.sketch.SingleArrowAnnotation");
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11 | dojo.require("dojox.sketch.Annotation");
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12 | dojo.require("dojox.sketch.Anchor");
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13 | (function(){
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14 | var ta=dojox.sketch;
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15 | ta.SingleArrowAnnotation=function(_1,id){ |
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16 | ta.Annotation.call(this,_1,id);
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17 | this.transform={dx:0,dy:0}; |
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18 | this.start={x:0,y:0}; |
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19 | this.control={x:100,y:-50}; |
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20 | this.end={x:200,y:0}; |
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21 | this.textPosition={x:0,y:0}; |
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22 | this.textOffset=4; |
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23 | this.textYOffset=10; |
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24 | this.rotation=0; |
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25 | this.pathShape=null; |
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26 | this.arrowhead=null; |
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27 | this.arrowheadGroup=null; |
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28 | this.labelShape=null; |
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29 | this.anchors.start=new ta.Anchor(this,"start"); |
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30 | this.anchors.control=new ta.Anchor(this,"control"); |
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31 | this.anchors.end=new ta.Anchor(this,"end"); |
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32 | }; |
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33 | ta.SingleArrowAnnotation.prototype=new ta.Annotation;
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34 | var p=ta.SingleArrowAnnotation.prototype;
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35 | p.constructor=ta.SingleArrowAnnotation; |
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36 | p.type=function(){ |
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37 | return "SingleArrow"; |
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38 | }; |
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39 | p.getType=function(){ |
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40 | return ta.SingleArrowAnnotation;
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41 | }; |
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42 | p._rot=function(){ |
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43 | var _2=this.control.y-this.start.y; |
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44 | var _3=this.control.x-this.start.x; |
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45 | this.rotation=Math.atan2(_2,_3);
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46 | }; |
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47 | p._pos=function(){ |
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48 | var _4=this.textOffset,x=0,y=0; |
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49 | var _5=this.calculate.slope(this.control,this.end); |
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50 | this.textAlign="middle"; |
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51 | if(Math.abs(_5)>=1){ |
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52 | x=this.end.x+this.calculate.dx(this.control,this.end,_4); |
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53 | if(this.control.y>this.end.y){ |
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54 | y=this.end.y-_4;
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55 | }else{
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56 | y=this.end.y+_4+this.textYOffset; |
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57 | } |
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58 | }else{
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59 | if(_5==0){ |
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60 | x=this.end.x+_4;
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61 | y=this.end.y+this.textYOffset; |
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62 | }else{
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63 | if(this.start.x>this.end.x){ |
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64 | x=this.end.x-_4;
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65 | this.textAlign="end"; |
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66 | }else{
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67 | x=this.end.x+_4;
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68 | this.textAlign="start"; |
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69 | } |
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70 | if(this.start.y<this.end.y){ |
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71 | y=this.end.y+this.calculate.dy(this.control,this.end,_4)+this.textYOffset; |
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72 | }else{
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73 | y=this.end.y+this.calculate.dy(this.control,this.end,-_4); |
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74 | } |
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75 | } |
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76 | } |
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77 | this.textPosition={x:x,y:y}; |
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78 | }; |
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79 | p.apply=function(_6){ |
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80 | if(!_6){
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81 | return;
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82 | } |
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83 | if(_6.documentElement){
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84 | _6=_6.documentElement; |
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85 | } |
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86 | this.readCommonAttrs(_6);
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87 | for(var i=0;i<_6.childNodes.length;i++){ |
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88 | var c=_6.childNodes[i];
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89 | if(c.localName=="text"){ |
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90 | this.property("label",c.childNodes.length?c.childNodes[0].nodeValue:""); |
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91 | }else{
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92 | if(c.localName=="path"){ |
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93 | var d=c.getAttribute("d").split(" "); |
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94 | var s=d[0].split(","); |
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95 | this.start.x=parseFloat(s[0].substr(1),10); |
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96 | this.start.y=parseFloat(s[1],10); |
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97 | s=d[1].split(","); |
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98 | this.control.x=parseFloat(s[0].substr(1),10); |
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99 | this.control.y=parseFloat(s[1],10); |
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100 | s=d[2].split(","); |
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101 | this.end.x=parseFloat(s[0],10); |
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102 | this.end.y=parseFloat(s[1],10); |
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103 | var _7=this.property("stroke"); |
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104 | var _8=c.getAttribute("style"); |
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105 | var m=_8.match(/stroke:([^;]+);/); |
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106 | if(m){
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107 | _7.color=m[1];
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108 | this.property("fill",m[1]); |
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109 | } |
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110 | m=_8.match(/stroke-width:([^;]+);/);
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111 | if(m){
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112 | _7.width=m[1];
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113 | } |
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114 | this.property("stroke",_7); |
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115 | } |
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116 | } |
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117 | } |
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118 | }; |
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119 | p.initialize=function(_9){ |
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120 | var _a=(ta.Annotation.labelFont)?ta.Annotation.labelFont:{family:"Times",size:"16px"}; |
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121 | this.apply(_9);
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122 | this._rot();
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123 | this._pos();
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124 | var _b=this.rotation; |
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125 | var _c=dojox.gfx.matrix.rotate(_b);
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126 | this.shape=this.figure.group.createGroup(); |
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127 | this.shape.getEventSource().setAttribute("id",this.id); |
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128 | this.pathShape=this.shape.createPath("M"+this.start.x+","+this.start.y+" Q"+this.control.x+","+this.control.y+" "+this.end.x+","+this.end.y+" l0,0"); |
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129 | this.arrowheadGroup=this.shape.createGroup(); |
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130 | this.arrowhead=this.arrowheadGroup.createPath(); |
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131 | this.labelShape=this.shape.createText({x:this.textPosition.x,y:this.textPosition.y,text:this.property("label"),align:this.textAlign}); |
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132 | this.labelShape.getEventSource().setAttribute("id",this.id+"-labelShape"); |
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133 | this.draw();
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134 | }; |
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135 | p.destroy=function(){ |
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136 | if(!this.shape){ |
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137 | return;
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138 | } |
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139 | this.arrowheadGroup.remove(this.arrowhead); |
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140 | this.shape.remove(this.arrowheadGroup); |
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141 | this.shape.remove(this.pathShape); |
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142 | this.shape.remove(this.labelShape); |
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143 | this.figure.group.remove(this.shape); |
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144 | this.shape=this.pathShape=this.labelShape=this.arrowheadGroup=this.arrowhead=null; |
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145 | }; |
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146 | p.draw=function(_d){ |
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147 | this.apply(_d);
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148 | this._rot();
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149 | this._pos();
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150 | var _e=this.rotation; |
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151 | var _f=dojox.gfx.matrix.rotate(_e);
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152 | this.shape.setTransform(this.transform); |
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153 | this.pathShape.setShape("M"+this.start.x+","+this.start.y+" Q"+this.control.x+","+this.control.y+" "+this.end.x+","+this.end.y+" l0,0"); |
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154 | this.arrowheadGroup.setTransform({dx:this.start.x,dy:this.start.y}).applyTransform(_f); |
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155 | this.arrowhead.setFill(this.property("fill")); |
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156 | this.labelShape.setShape({x:this.textPosition.x,y:this.textPosition.y,text:this.property("label"),align:this.textAlign}).setFill(this.property("fill")); |
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157 | this.zoom();
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158 | }; |
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159 | p.zoom=function(pct){ |
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160 | if(this.arrowhead){ |
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161 | pct=pct||this.figure.zoomFactor;
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162 | ta.Annotation.prototype.zoom.call(this,pct);
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163 | if(this._curPct!==pct){ |
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164 | this._curPct=pct;
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165 | var l=pct>1?20:Math.floor(20/pct),w=pct>1?5:Math.floor(5/pct),h=pct>1?3:Math.floor(3/pct); |
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166 | this.arrowhead.setShape("M0,0 l"+l+",-"+w+" -"+h+","+w+" "+h+","+w+" Z"); |
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167 | } |
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168 | } |
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169 | }; |
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170 | p.getBBox=function(){ |
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171 | var x=Math.min(this.start.x,this.control.x,this.end.x); |
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172 | var y=Math.min(this.start.y,this.control.y,this.end.y); |
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173 | var w=Math.max(this.start.x,this.control.x,this.end.x)-x; |
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174 | var h=Math.max(this.start.y,this.control.y,this.end.y)-y; |
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175 | return {x:x,y:y,width:w,height:h}; |
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176 | }; |
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177 | p.serialize=function(){ |
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178 | var s=this.property("stroke"); |
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179 | var r=this.rotation*(180/Math.PI); |
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180 | r=Math.round(r*Math.pow(10,4))/Math.pow(10,4); |
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181 | return "<g "+this.writeCommonAttrs()+">"+"<path style=\"stroke:"+s.color+";stroke-width:"+s.width+";fill:none;\" d=\""+"M"+this.start.x+","+this.start.y+" "+"Q"+this.control.x+","+this.control.y+" "+this.end.x+","+this.end.y+"\" />"+"<g transform=\"translate("+this.start.x+","+this.start.y+") "+"rotate("+r+")\">"+"<path style=\"fill:"+s.color+";\" d=\"M0,0 l20,-5, -3,5, 3,5 Z\" />"+"</g>"+"<text style=\"fill:"+s.color+";text-anchor:"+this.textAlign+"\" font-weight=\"bold\" "+"x=\""+this.textPosition.x+"\" "+"y=\""+this.textPosition.y+"\">"+this.property("label")+"</text>"+"</g>"; |
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182 | }; |
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183 | ta.Annotation.register("SingleArrow");
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184 | })(); |
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185 | } |