| listeners : ObjectA config object containing one or more event handlers to be added to this
+ The default single selection for a TreePanel. Config Options|
| listeners : ObjectA config object containing one or more event handlers to be added to this
object during initialization. This should ... A config object containing one or more event handlers to be added to this
object during initialization. This should be a valid listeners config object as specified in the
addListener example for attaching multiple handlers at once.
@@ -53,9 +53,11 @@ Ext.DomObserver = Ext.extend(Object, {
typeAhead: true,
mode: 'local',
triggerAction: 'all'
-}); | Observable |
Public PropertiesThis class has no public properties. Public MethodsPublic PropertiesThis class has no public properties. Public Methods|
| addEvents( Object|String o , string Optional. )
:
- voidUsed to define events on this Observable Used to define events on this Observable | Observable | | addListener( String eventName , Function handler , [Object scope ], [Object options ] )
+ voidAdds the specified events to the list of events which this Observable may fire. Adds the specified events to the list of events which this Observable may fire. | Observable | | addListener( String eventName , Function handler , [Object scope ], [Object options ] )
:
voidAppends an event handler to this object. Appends an event handler to this object. Parameters:eventName : StringThe name of the event to listen for. handler : FunctionThe method the event invokes. scope : Object(optional) The scope (this reference) in which the handler function is executed.
If omitted, defaults to the object which fired the event. options : Object(optional) An object containing handler configuration.
@@ -76,8 +78,8 @@ Using the options argument, it is possible to combine different types of listene
A delayed, one-time listener.
myDataView.on('click', this.onClick, this, {
- single: true,
- delay: 100
+single: true,
+delay: 100
});
Attaching multiple handlers in 1 call
@@ -85,32 +87,64 @@ The method also allows for a single argument to be passed which is a config obje
which specify multiple handlers.
myGridPanel.on({
- 'click' : {
- fn: this.onClick,
- scope: this,
- delay: 100
- },
- 'mouseover' : {
- fn: this.onMouseOver,
- scope: this
- },
- 'mouseout' : {
- fn: this.onMouseOut,
- scope: this
- }
+'click' : {
+ fn: this.onClick,
+ scope: this,
+ delay: 100
+},
+'mouseover' : {
+ fn: this.onMouseOver,
+ scope: this
+},
+'mouseout' : {
+ fn: this.onMouseOut,
+ scope: this
+}
});
Or a shorthand syntax:
myGridPanel.on({
- 'click' : this.onClick,
- 'mouseover' : this.onMouseOver,
- 'mouseout' : this.onMouseOut,
- scope: this
-});
Returns: | Observable | | clearSelections()
- :
- void | DefaultSelectionModel | | enableBubble( Object events )
- :
- voidUsed to enable bubbling of events Used to enable bubbling of events | Observable | | fireEvent( String eventName , Object... args )
+'click' : this.onClick,
+'mouseover' : this.onMouseOver,
+'mouseout' : this.onMouseOut,
+ scope: this
+});Returns: | Observable | | clearSelections( Boolean silent )
+ :
+ void | DefaultSelectionModel | | enableBubble( String/Array events )
+ :
+ voidEnables events fired by this Observable to bubble up an owner hierarchy by calling
+this.getBubbleTarget() if present... Enables events fired by this Observable to bubble up an owner hierarchy by calling
+this.getBubbleTarget() if present. There is no implementation in the Observable base class.
+ This is commonly used by Ext.Components to bubble events to owner Containers. See Ext.Component.getBubbleTarget. The default
+implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to
+access the required target more quickly.
+ Example: Ext.override(Ext.form.Field, {
+ // Add functionality to Field's initComponent to enable the change event to bubble
+ initComponent : Ext.form.Field.prototype.initComponent.createSequence(function() {
+ this.enableBubble('change');
+ }),
+
+ // We know that we want Field's events to bubble directly to the FormPanel.
+ getBubbleTarget : function() {
+ if (!this.formPanel) {
+ this.formPanel = this.findParentByType('form');
+ }
+ return this.formPanel;
+ }
+});
+
+var myForm = new Ext.formPanel({
+ title: 'User Details',
+ items: [{
+ ...
+ }],
+ listeners: {
+ change: function() {
+ // Title goes red if form has been modified.
+ myForm.header.setStyle('color', 'red');
+ }
+ }
+});
| Observable | | fireEvent( String eventName , Object... args )
:
BooleanFires the specified event with the passed parameters (minus the event name).
An event may be set to bubble up an Obse... Fires the specified event with the passed parameters (minus the event name).
@@ -147,9 +181,9 @@ events fired during event suspension will be sent to any listeners now. Suspend the firing of all events. (see resumeEvents) Suspend the firing of all events. (see resumeEvents) Parameters:queueSuspended : BooleanPass as true to queue up suspended events to be fired
after the resumeEvents call instead of discarding all suspended events; Returns: | Observable | | un( String eventName , Function handler , [Object scope ] )
:
- voidRemoves an event handler (shorthand for removeListener.) | Observable | | unselect( TreeNode node )
+ voidRemoves an event handler (shorthand for removeListener.) | Observable | | unselect( TreeNode node , Boolean silent )
:
- voidDeselect a node. Deselect a node. Parameters:node : TreeNodeThe node to unselect Returns: | DefaultSelectionModel |
Public EventsPublic Events|
| beforeselect :
( DefaultSelectionModel this , TreeNode node , TreeNode node )
Fires before the selected node changes, return false to cancel the change Fires before the selected node changes, return false to cancel the change Listeners will be called with the following arguments:this : DefaultSelectionModelnode : TreeNodethe new selection node : TreeNodethe old selection
| DefaultSelectionModel | | selectionchange :
( DefaultSelectionModel this , TreeNode node )
|
|