87 lines
3.1 KiB
JavaScript
87 lines
3.1 KiB
JavaScript
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dojo.provide("dijit.Declaration");
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dojo.require("dijit._Widget");
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dojo.require("dijit._Templated");
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dojo.declare(
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"dijit.Declaration",
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dijit._Widget,
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{
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// summary:
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// The Declaration widget allows a developer to declare new widget
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// classes directly from a snippet of markup.
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// _noScript: [private] Boolean
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// Flag to parser to leave alone the script tags contained inside of me
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_noScript: true,
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// widgetClass: String
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// Name of class being declared, ex: "acme.myWidget"
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widgetClass: "",
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// propList: Object
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// Set of attributes for this widget along with default values, ex:
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// {delay: 100, title: "hello world"}
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defaults: null,
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// mixins: String[]
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// List containing the prototype for this widget, and also any mixins,
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// ex: ["dijit._Widget", "dijit._Container"]
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mixins: [],
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buildRendering: function(){
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var src = this.srcNodeRef.parentNode.removeChild(this.srcNodeRef),
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methods = dojo.query("> script[type^='dojo/method'][event]", src).orphan(),
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postscriptConnects = dojo.query("> script[type^='dojo/method']", src).orphan(),
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regularConnects = dojo.query("> script[type^='dojo/connect']", src).orphan(),
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srcType = src.nodeName;
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var propList = this.defaults||{};
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// For all methods defined like <script type="dojo/method" event="foo">,
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// add that method to prototype
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dojo.forEach(methods, function(s){
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var evt = s.getAttribute("event"),
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func = dojo.parser._functionFromScript(s);
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propList[evt] = func;
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});
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// map array of strings like [ "dijit.form.Button" ] to array of mixin objects
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// (note that dojo.map(this.mixins, dojo.getObject) doesn't work because it passes
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// a bogus third argument to getObject(), confusing it)
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this.mixins = this.mixins.length ?
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dojo.map(this.mixins, function(name){ return dojo.getObject(name); } ) :
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[ dijit._Widget, dijit._Templated ];
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propList.widgetsInTemplate = true;
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propList._skipNodeCache = true;
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propList.templateString = "<"+srcType+" class='"+src.className+"' dojoAttachPoint='"+(src.getAttribute("dojoAttachPoint")||'')+"' dojoAttachEvent='"+(src.getAttribute("dojoAttachEvent")||'')+"' >"+src.innerHTML.replace(/\%7B/g,"{").replace(/\%7D/g,"}")+"</"+srcType+">";
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// strip things so we don't create stuff under us in the initial setup phase
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dojo.query("[dojoType]", src).forEach(function(node){
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node.removeAttribute("dojoType");
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});
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// create the new widget class
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var wc = dojo.declare(
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this.widgetClass,
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this.mixins,
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propList
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);
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// Handle <script> blocks of form:
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// <script type="dojo/connect" event="foo">
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// and
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// <script type="dojo/method">
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// (Note that the second one is just shorthand for a dojo/connect to postscript)
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// Since this is a connect in the declaration, we are actually connection to the method
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// in the _prototype_.
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var connects = regularConnects.concat(postscriptConnects);
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dojo.forEach(connects, function(s){
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var evt = s.getAttribute("event")||"postscript",
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func = dojo.parser._functionFromScript(s);
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dojo.connect(wc.prototype, evt, func);
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});
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}
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}
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);
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