2 "name" : "Roo.util.Observable",
4 "desc" : "Base class that provides a common interface for publishing events. Subclasses are expected to\nto have a property \"events\" with all the events defined.<br>\nFor example:\n<pre><code>\n Employee = function(name){\n this.name = name;\n this.addEvents({\n \"fired\" : true,\n \"quit\" : true\n });\n }\n Roo.extend(Employee, Roo.util.Observable);\n</code></pre>",
8 "memberOf" : "Observable",
17 "desc" : "properties to use (incuding events / listeners)",
28 "desc" : "list of events and functions to call for this object, \nFor example :\n<pre><code>\n listeners : { \n 'click' : function(e) {\n ..... \n } ,\n .... \n } \n </code></pre>",
34 "name" : "purgeListeners",
36 "desc" : "Removes all listeners for this object",
41 "isConstructor" : false,
55 "desc" : "Appends an event handler to this element (shorthand for addListener)",
56 "sig" : "(eventName, handler, scope, options)",
60 "isConstructor" : false,
72 "desc" : "The type of event to listen for",
78 "desc" : "The method the event invokes",
84 "desc" : "(optional) The scope in which to execute the handler\nfunction. The handler function's \"this\" context.",
90 "desc" : "(optional)",
99 "desc" : "Removes a listener (shorthand for removeListener)",
100 "sig" : "(eventName, handler, scope)",
104 "isConstructor" : false,
114 "name" : "eventName",
116 "desc" : "The type of event to listen for",
122 "desc" : "The handler to remove",
128 "desc" : "(optional) The scope (this object) for the handler",
135 "name" : "addEvents",
137 "desc" : "Used to define events on this Observable",
142 "isConstructor" : false,
154 "desc" : "The object with the events defined",
161 "name" : "releaseCapture",
163 "desc" : "Removes <b>all</b> added captures from the Observable.",
168 "isConstructor" : false,
179 "type" : "Observable",
180 "desc" : "The Observable to release",
187 "name" : "removeListener",
189 "desc" : "Removes a listener",
190 "sig" : "(eventName, handler, scope)",
194 "isConstructor" : false,
204 "name" : "eventName",
206 "desc" : "The type of event to listen for",
212 "desc" : "The handler to remove",
218 "desc" : "(optional) The scope (this object) for the handler",
225 "name" : "fireEvent",
227 "desc" : "Fires the specified event with the passed parameters (minus the event name).",
228 "sig" : "(eventName, args)",
232 "isConstructor" : false,
242 "name" : "eventName",
249 "type" : "Object...",
250 "desc" : "Variable number of parameters are passed to handlers",
258 "desc" : "returns false if any of the handlers return false otherwise it returns true"
263 "name" : "hasListener",
265 "desc" : "Checks to see if this object has any listeners for a specified event",
266 "sig" : "(eventName)",
270 "isConstructor" : false,
280 "name" : "eventName",
282 "desc" : "The name of the event to check for",
290 "desc" : "True if the event is being listened for, else false"
297 "desc" : "Starts capture on the specified Observable. All events will be passed\nto the supplied function with the event name + standard signature of the event\n<b>before</b> the event is fired. If the supplied function returns false,\nthe event will not fire.",
298 "sig" : "(o, fn, scope)",
302 "isConstructor" : false,
313 "type" : "Observable",
314 "desc" : "The Observable to capture",
320 "desc" : "The function to call",
326 "desc" : "(optional) The scope (this object) for the fn",
333 "name" : "addListener",
335 "desc" : "Appends an event handler to this component",
336 "sig" : "(eventName, handler, scope, options)",
340 "isConstructor" : false,
350 "name" : "eventName",
352 "desc" : "The type of event to listen for",
358 "desc" : "The method the event invokes",
364 "desc" : "(optional) The scope in which to execute the handler\nfunction. The handler function's \"this\" context.",
370 "desc" : "(optional) An object containing handler configuration\nproperties. This may contain any of the following properties:<ul>\n<li>scope {Object} The scope in which to execute the handler function. The handler function's \"this\" context.</li>\n<li>delay {Number} The number of milliseconds to delay the invocation of the handler after te event fires.</li>\n<li>single {Boolean} True to add a handler to handle just the next firing of the event, and then remove itself.</li>\n<li>buffer {Number} Causes the handler to be scheduled to run in an {@link Roo.util.DelayedTask} delayed\nby the specified number of milliseconds. If the event fires again within that time, the original\nhandler is <em>not</em> invoked, but the new handler is scheduled in its place.</li>\n</ul><br>\n<p>\n<b>Combining Options</b><br>\nUsing the options argument, it is possible to combine different types of listeners:<br>\n<br>\nA normalized, delayed, one-time listener that auto stops the event and passes a custom argument (forumId)\n\t\t<pre><code>\n\t\tel.on('click', this.onClick, this, {\n \t\t\tsingle: true,\n \t\tdelay: 100,\n \t\tforumId: 4\n\t\t});\n\t\t</code></pre>\n<p>\n<b>Attaching multiple handlers in 1 call</b><br>\nThe method also allows for a single argument to be passed which is a config object containing properties\nwhich specify multiple handlers.\n<pre><code>\n\t\tel.on({\n\t\t\t'click': {\n \t\tfn: this.onClick,\n \t\tscope: this,\n \t\tdelay: 100\n \t\t}, \n \t\t'mouseover': {\n \t\tfn: this.onMouseOver,\n \t\tscope: this\n \t\t},\n \t\t'mouseout': {\n \t\tfn: this.onMouseOut,\n \t\tscope: this\n \t\t}\n\t\t});\n\t\t</code></pre>\n<p>\nOr a shorthand syntax which passes the same scope object to all handlers:\n \t<pre><code>\n\t\tel.on({\n\t\t\t'click': this.onClick,\n \t\t'mouseover': this.onMouseOver,\n \t\t'mouseout': this.onMouseOut,\n \t\tscope: this\n\t\t});\n\t\t</code></pre>",