117 lines
3.0 KiB
JavaScript
117 lines
3.0 KiB
JavaScript
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//>>built
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// wrapped by build app
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define("dojox/drawing/annotations/Label", ["dijit","dojo","dojox","dojo/require!dojox/drawing/stencil/Text"], function(dijit,dojo,dojox){
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dojo.provide("dojox.drawing.annotations.Label");
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dojo.require("dojox.drawing.stencil.Text");
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dojox.drawing.annotations.Label = dojox.drawing.util.oo.declare(
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// summary:
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// An annotation called internally to label an Stencil.
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// description:
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// Annotation is positioned with dojox.drawing.util.positioning.label
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// That method should be overwritten for custom placement. Or,
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// add a 'setLabelCustom' method to the Stencil and it will be used.
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//
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dojox.drawing.stencil.Text,
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function(/*Object*/options){
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// arguments:
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// options: Object
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// One key value: the stencil that called this.
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//
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this.master = options.stencil;
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this.labelPosition = options.labelPosition || "BR"; // TL, TR, BR, BL, or function
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if(dojo.isFunction(this.labelPosition)){
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this.setLabel = this.setLabelCustom;
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}
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this.setLabel(options.text || "");
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this.connect(this.master, "onTransform", this, "setLabel");
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this.connect(this.master, "destroy", this, "destroy");
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if(this.style.labelSameColor){
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this.connect(this.master, "attr", this, "beforeAttr");
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}
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},{
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_align:"start",
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drawingType:"label",
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setLabelCustom: function(/* ? String */text){
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// summary:
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// Attaches to custom positioning within a Stencil
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//
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var d = dojo.hitch(this.master, this.labelPosition)();
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this.setData({
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x:d.x,
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y:d.y,
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width:d.w || this.style.text.minWidth,
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height:d.h || this._lineHeight
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});
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// is an event, not text, so keep the old label:
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if(text && !text.split){ text = this.getText(); }
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this.render(this.typesetter(text));
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},
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setLabel: function(/* String */text){
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// summary:
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// Sets the text of the label. Not called directly. Should
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// be called within Stencil. See stencil._Base
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//
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// onTransform will pass an object here
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var x, y, box = this.master.getBounds();
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if(/B/.test(this.labelPosition)){
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y = box.y2 - this._lineHeight;
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}else{
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y = box.y1;
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}
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if(/R/.test(this.labelPosition)){
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x = box.x2;
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}else{
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y = box.y1;
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this._align = "end";
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}
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if(!this.labelWidth || (text && text.split && text != this.getText())){
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this.setData({
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x:x,
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y:y,
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height:this._lineHeight,
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width:this.style.text.minWidth
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});
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this.labelWidth = this.style.text.minWidth;
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this.render(this.typesetter(text));
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}else{
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this.setData({
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x:x,
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y:y,
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height:this.data.height,
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width:this.data.width
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});
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this.render();
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}
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},
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beforeAttr: function(key, value){
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if(value!==undefined){
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// make it an object
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var k = key; key = {}; key[k] = value;
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}
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delete key.x;
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delete key.y;
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delete key.width;
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delete key.height;
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this.attr(key);
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// FIXME: this.created should already be set, shouldn't it?
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!this.created && this.render();
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}
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}
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);
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});
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