--- /dev/null
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+ <pre class="prettyprint lang-js"><span id='Ext-app-EventBus'>/**
+</span> * @class Ext.app.EventBus
+ * @private
+ *
+ * Class documentation for the MVC classes will be present before 4.0 final, in the mean time please refer to the MVC
+ * guide
+ */
+Ext.define('Ext.app.EventBus', {
+ requires: [
+ 'Ext.util.Event'
+ ],
+ mixins: {
+ observable: 'Ext.util.Observable'
+ },
+
+ constructor: function() {
+ this.mixins.observable.constructor.call(this);
+
+ this.bus = {};
+
+ var me = this;
+ Ext.override(Ext.Component, {
+ fireEvent: function(ev) {
+ if (Ext.util.Observable.prototype.fireEvent.apply(this, arguments) !== false) {
+ return me.dispatch.call(me, ev, this, arguments);
+ }
+ return false;
+ }
+ });
+ },
+
+ dispatch: function(ev, target, args) {
+ var bus = this.bus,
+ selectors = bus[ev],
+ selector, controllers, id, events, event, i, ln;
+
+ if (selectors) {
+ // Loop over all the selectors that are bound to this event
+ for (selector in selectors) {
+ // Check if the target matches the selector
+ if (target.is(selector)) {
+ // Loop over all the controllers that are bound to this selector
+ controllers = selectors[selector];
+ for (id in controllers) {
+ // Loop over all the events that are bound to this selector on this controller
+ events = controllers[id];
+ for (i = 0, ln = events.length; i < ln; i++) {
+ event = events[i];
+ // Fire the event!
+ return event.fire.apply(event, Array.prototype.slice.call(args, 1));
+ }
+ }
+ }
+ }
+ }
+ },
+
+ control: function(selectors, listeners, controller) {
+ var bus = this.bus,
+ selector, fn;
+
+ if (Ext.isString(selectors)) {
+ selector = selectors;
+ selectors = {};
+ selectors[selector] = listeners;
+ this.control(selectors, null, controller);
+ return;
+ }
+
+ Ext.Object.each(selectors, function(selector, listeners) {
+ Ext.Object.each(listeners, function(ev, listener) {
+ var options = {},
+ scope = controller,
+ event = Ext.create('Ext.util.Event', controller, ev);
+
+ // Normalize the listener
+ if (Ext.isObject(listener)) {
+ options = listener;
+ listener = options.fn;
+ scope = options.scope || controller;
+ delete options.fn;
+ delete options.scope;
+ }
+
+ event.addListener(listener, scope, options);
+
+ // Create the bus tree if it is not there yet
+ bus[ev] = bus[ev] || {};
+ bus[ev][selector] = bus[ev][selector] || {};
+ bus[ev][selector][controller.id] = bus[ev][selector][controller.id] || [];
+
+ // Push our listener in our bus
+ bus[ev][selector][controller.id].push(event);
+ });
+ });
+ }
+});</pre>
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+</html>
git.ithinksw.org / extjs.git / blobdiff