META-INF.resources.primefaces.core.core.widget.js Maven / Gradle / Ivy
/* Simple JavaScript Inheritance
* By John Resig http://ejohn.org/
* MIT Licensed.
*/
// Inspired by base2 and Prototype
(function(){
var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/;
// The base Class implementation (does nothing)
this.Class = function(){};
// Create a new Class that inherits from this class
Class.extend = function(prop) {
var _super = this.prototype;
// Instantiate a base class (but only create the instance,
// don't run the init constructor)
initializing = true;
var prototype = new this();
initializing = false;
// Copy the properties over onto the new prototype
for (var name in prop) {
// Check if we're overwriting an existing function
prototype[name] = typeof prop[name] == "function" &&
typeof _super[name] == "function" && fnTest.test(prop[name]) ?
(function(name, fn){
return function() {
var tmp = this._super;
// Add a new ._super() method that is the same method
// but on the super-class
this._super = _super[name];
// The method only need to be bound temporarily, so we
// remove it when we're done executing
var ret = fn.apply(this, arguments);
this._super = tmp;
return ret;
};
})(name, prop[name]) :
prop[name];
}
// The dummy class constructor
function Class() {
// All construction is actually done in the init method
if ( !initializing && this.init )
this.init.apply(this, arguments);
}
// Populate our constructed prototype object
Class.prototype = prototype;
// Enforce the constructor to be what we expect
Class.prototype.constructor = Class;
// And make this class extendable
Class.extend = arguments.callee;
return Class;
};
})();
PrimeFaces.widget = {};
/**
* BaseWidget for PrimeFaces Widgets
*/
PrimeFaces.widget.BaseWidget = Class.extend({
init: function(cfg) {
this.cfg = cfg;
this.id = cfg.id;
this.jqId = PrimeFaces.escapeClientId(this.id);
this.jq = $(this.jqId);
this.widgetVar = cfg.widgetVar;
//remove script tag
$(this.jqId + '_s').remove();
if (this.widgetVar) {
var $this = this;
this.jq.on("remove", function() {
PrimeFaces.detachedWidgets.push($this.widgetVar);
});
}
},
//used in ajax updates, reloads the widget configuration
refresh: function(cfg) {
return this.init(cfg);
},
//will be called when the widget after a ajax request if the widget is detached
destroy: function() {
PrimeFaces.debug("Destroyed detached widget: " + this.widgetVar);
},
//checks if the given widget is detached
isDetached: function() {
return document.getElementById(this.id) === null;
},
//returns jquery object representing the main dom element related to the widget
getJQ: function(){
return this.jq;
},
/**
* Removes the widget's script block from the DOM.
*
* @param {string} clientId The id of the widget.
*/
removeScriptElement: function(clientId) {
$(PrimeFaces.escapeClientId(clientId) + '_s').remove();
}
});
/**
* Widgets that require to be visible to initialize properly for hidden container support
*/
PrimeFaces.widget.DeferredWidget = PrimeFaces.widget.BaseWidget.extend({
renderDeferred: function() {
if(this.jq.is(':visible')) {
this._render();
}
else {
var container = this.jq.closest('.ui-hidden-container'),
$this = this;
if(container.length) {
this.addDeferredRender(this.id, container, function() {
return $this.render();
});
}
}
},
render: function() {
if(this.jq.is(':visible')) {
this._render();
return true;
}
else {
return false;
}
},
/**
* Must be overriden
*/
_render: function() {
throw 'Unsupported Operation';
},
destroy: function() {
this._super();
PrimeFaces.removeDeferredRenders(this.id);
},
addDeferredRender: function(widgetId, container, callback) {
PrimeFaces.addDeferredRender(widgetId, container.attr('id'), callback);
if(container.is(':hidden')) {
var parentContainer = this.jq.closest('.ui-hidden-container');
if(parentContainer.length) {
this.addDeferredRender(widgetId, container.parent().closest('.ui-hidden-container'), callback);
}
}
}
});