Removed redundant events.js

Jakefile.js

@@ -54,7 +54,6 @@ task('build', {async: true}, function () {
 
       './src/shim.js',
       './src/util.js',
-      './src/events.js',
       './src/DataSet.js',
       './src/DataView.js',
 

examples/graph/07_selections.html

@@ -51,8 +51,8 @@
   graph = new vis.Graph(container, data, options);
 
   // add event listener
-  graph.on('select', function(params) {
-    document.getElementById('info').innerHTML += 'selection: ' + params.nodes + '<br>';
+  graph.on('select', function(properties) {
+    document.getElementById('info').innerHTML += 'selection: ' + JSON.stringify(properties) + '<br>';
   });
 
   // set initial selection (id's of some nodes)

src/events.js

@@ -1,116 +0,0 @@
-/**
- * Event listener (singleton)
- */
-// TODO: replace usage of the event listener for the EventBus
-var events = {
-  'listeners': [],
-
-  /**
-   * Find a single listener by its object
-   * @param {Object} object
-   * @return {Number} index  -1 when not found
-   */
-  'indexOf': function (object) {
-    var listeners = this.listeners;
-    for (var i = 0, iMax = this.listeners.length; i < iMax; i++) {
-      var listener = listeners[i];
-      if (listener && listener.object == object) {
-        return i;
-      }
-    }
-    return -1;
-  },
-
-  /**
-   * Add an event listener
-   * @param {Object} object
-   * @param {String} event       The name of an event, for example 'select'
-   * @param {function} callback  The callback method, called when the
-   *                             event takes place
-   */
-  'addListener': function (object, event, callback) {
-    var index = this.indexOf(object);
-    var listener = this.listeners[index];
-    if (!listener) {
-      listener = {
-        'object': object,
-        'events': {}
-      };
-      this.listeners.push(listener);
-    }
-
-    var callbacks = listener.events[event];
-    if (!callbacks) {
-      callbacks = [];
-      listener.events[event] = callbacks;
-    }
-
-    // add the callback if it does not yet exist
-    if (callbacks.indexOf(callback) == -1) {
-      callbacks.push(callback);
-    }
-  },
-
-  /**
-   * Remove an event listener
-   * @param {Object} object
-   * @param {String} event       The name of an event, for example 'select'
-   * @param {function} callback  The registered callback method
-   */
-  'removeListener': function (object, event, callback) {
-    var index = this.indexOf(object);
-    var listener = this.listeners[index];
-    if (listener) {
-      var callbacks = listener.events[event];
-      if (callbacks) {
-        index = callbacks.indexOf(callback);
-        if (index != -1) {
-          callbacks.splice(index, 1);
-        }
-
-        // remove the array when empty
-        if (callbacks.length == 0) {
-          delete listener.events[event];
-        }
-      }
-
-      // count the number of registered events. remove listener when empty
-      var count = 0;
-      var events = listener.events;
-      for (var e in events) {
-        if (events.hasOwnProperty(e)) {
-          count++;
-        }
-      }
-      if (count == 0) {
-        delete this.listeners[index];
-      }
-    }
-  },
-
-  /**
-   * Remove all registered event listeners
-   */
-  'removeAllListeners': function () {
-    this.listeners = [];
-  },
-
-  /**
-   * Trigger an event. All registered event handlers will be called
-   * @param {Object} object
-   * @param {String} event
-   * @param {Object} properties (optional)
-   */
-  'trigger': function (object, event, properties) {
-    var index = this.indexOf(object);
-    var listener = this.listeners[index];
-    if (listener) {
-      var callbacks = listener.events[event];
-      if (callbacks) {
-        for (var i = 0, iMax = callbacks.length; i < iMax; i++) {
-          callbacks[i](properties);
-        }
-      }
-    }
-  }
-};

src/module/exports.js

@@ -3,7 +3,6 @@
  */
 var vis = {
   util: util,
-  events: events,
 
   Controller: Controller,
   DataSet: DataSet,