webui-aria2/js/libs/dojox/drawing/annotations/Label.js.uncompressed.js
2012-05-01 19:52:07 +08:00

117 lines
3.0 KiB
JavaScript

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