webui-aria2/js/libs/dojox/mvc/_Container.js.uncompressed.js
2012-05-01 19:52:07 +08:00

109 lines
3.3 KiB
JavaScript

//>>built
define("dojox/mvc/_Container", [
"dojo/_base/declare",
"dojo/_base/lang",
"dijit/_WidgetBase",
"dojo/regexp"
], function(declare, lang, _WidgetBase, regexp){
/*=====
declare = dojo.declare;
_WidgetBase = dijit._WidgetBase;
=====*/
return declare("dojox.mvc._Container", [_WidgetBase], {
// stopParser: [private] Boolean
// Flag to parser to not try and parse widgets declared inside the container.
stopParser: true,
// exprchar: Character
// Character to use for a substitution expression, for a substitution string like ${this.index}
exprchar: '$',
// templateString: [private] String
// The template or content for this container. It is usually obtained from the
// body of the container and may be modified or repeated over a collection/array.
// In this simple implementation, attach points, attach events and WAI
// attributes are not supported in the template.
templateString : "",
// _containedWidgets: [protected] dijit._Widget[]
// The array of contained widgets at any given point in time within this container.
_containedWidgets : [],
////////////////////// PROTECTED METHODS ////////////////////////
_parser : null,
_createBody: function(){
// summary:
// Parse the body of this MVC container widget.
// description:
// The bodies of MVC containers may be model-bound views generated dynamically.
// Parse the body, start an contained widgets and attach template nodes for
// contained widgets as necessary.
// tags:
// protected
if(!this._parser){
try{
// returns dojo/parser if loaded, otherwise throws
this._parser = require("dojo/parser");
}catch(e){
// if here, dojo/parser not loaded
try{
// returns dojox/mobile/parser if loaded, otherwise throws
this._parser = require("dojox/mobile/parser");
}catch(e){
// if here, both dojox/mobile/parser and dojo/parser are not loaded
console.error("Add explicit require(['dojo/parser']) or explicit require(['dojox/mobile/parser']), one of the parsers is required!");
}
}
}
if(this._parser){
this._containedWidgets = this._parser.parse(this.srcNodeRef,{
template: true,
inherited: {dir: this.dir, lang: this.lang},
propsThis: this,
scope: "dojo"
});
}
},
_destroyBody: function(){
// summary:
// Destroy the body of this MVC container widget. Also destroys any
// contained widgets.
// tags:
// protected
if(this._containedWidgets && this._containedWidgets.length > 0){
for(var n = this._containedWidgets.length - 1; n > -1; n--){
var w = this._containedWidgets[n];
if(w && !w._destroyed && w.destroy){
w.destroy();
}
}
}
},
////////////////////// PRIVATE METHODS ////////////////////////
_exprRepl: function(tmpl){
// summary:
// Does substitution of ${foo+bar} type expressions in template string.
// tags:
// private
var pThis = this, transform = function(value, key){
if(!value){return "";}
var exp = value.substr(2);
exp = exp.substr(0, exp.length - 1);
with(pThis){return eval(exp);}
};
transform = lang.hitch(this, transform);
return tmpl.replace(new RegExp(regexp.escapeString(this.exprchar)+"(\{.*?\})","g"),
function(match, key, format){
return transform(match, key).toString();
});
}
});
});