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# Class YAHOO.ext.ContentPanel

Package: | YAHOO.ext
Class: | ContentPanel
Extends: | Observable
Subclasses: | GridPanel, NestedLayoutPanel
Defined In: | ContentPanels.js

A basic ContentPanel element.

## Public Properties

This class has no public properties.

## Public Methods

Method | Defined By
--- | ---
| ContentPanel(`String/HTMLElement/Element el`, `String/Object config`, [`String content`]) | ContentPanel
Create a new ContentPanel.
| addListener(`String eventName`, `Function handler`, [`Object scope`], [`boolean override`]) : void | Observable
Appends an event handler to this component
| bufferedListener(`String eventName`, `Function handler`, [`Object scope`], [`Number millis`]) : Function | Observable
Appends an event handler to this component that is buffered. If the event is triggered more than once in the specifie...
| delayedListener(`String eventName`, `Function handler`, [`Object scope`], [`Number delay`]) : Function | Observable
Appends an event handler to this component that is delayed the specified number of milliseconds. This is useful for e...
| destroy() : void | ContentPanel
Destroys this panel
| fireEvent(`String eventName`, `Object... args`) : Boolean | Observable
Fires the specified event with the passed parameters (minus the event name).
| getEl() : YAHOO.ext.Element | ContentPanel
Returns this panel's element
| getId() : String | ContentPanel
Returns this panel's id
| getTitle() : String | ContentPanel
Returns this panel's title
| getToolbar() : YAHOO.ext.Toolbar | ContentPanel
Returns the toolbar for this Panel if one was configured
| getUpdateManager() : YAHOO.ext.UpdateManager | ContentPanel
Get the YAHOO.ext.UpdateManager for this panel. Enables you to perform Ajax updates.
| isClosable() : Boolean | ContentPanel
Returns true is this panel was configured to be closable
| on(`String eventName`, `Function handler`, [`Object scope`], [`boolean override`]) : void | Observable
Appends an event handler to this element (shorthand for addListener)
| purgeListeners() : void | Observable
Removes all listeners for this object
| refresh() : void | ContentPanel
Force a content refresh from the URL specified in the setUrl() method. Will fail silently if the setUrl method has no...
| removeListener(`String eventName`, `Function handler`, [`Object scope`]) : void | Observable
Removes a listener
| setContent(`String content`, [`Boolean loadScripts`]) : void | ContentPanel
Updates this panel's element
| setTitle(`String title`) : void | ContentPanel
Set this panel's title
| setUrl(`String/Function url`, [`String/Object params`], [`Boolean loadOnce`]) : YAHOO.ext.UpdateManager | ContentPanel
Set a URL to be used to load the content for this panel.

## Public Events

Event | Defined By
--- | ---
| activate : (`YAHOO.ext.ContentPanel this`) | ContentPanel
Fires when this panel is activated.
| deactivate : (`YAHOO.ext.ContentPanel this`) | ContentPanel
Fires when this panel is activated.

## Constructor Details

### ContentPanel

`public function ContentPanel(`String/HTMLElement/Element el`, `String/Object config`, [`String content`])`
Create a new ContentPanel.
Parameters:

- `el` : String/HTMLElement/Element
  The container element for this panel
- `config` : String/Object
  A string to set only the title or a config object
- `content` : String
  (optional) Set the HTML content for this panel

## Method Details

### addListener

`public function addListener(`String eventName`, `Function handler`, [`Object scope`], [`boolean override`])`
Appends an event handler to this component
Parameters:

- `eventName` : String
  The type of event to listen for
- `handler` : Function
  The method the event invokes
- `scope` : Object
  (optional) The scope (this object) for the handler
- `override` : boolean
  (optional) If true, scope becomes the scope

Returns:

- `void`

This method is defined by Observable.

### bufferedListener

`public function bufferedListener(`String eventName`, `Function handler`, [`Object scope`], [`Number millis`])`
Appends an event handler to this component that is buffered. If the event is triggered more than once in the specified time-frame, only the last one actually fires.
Parameters:

- `eventName` : String
  The type of event to listen for
- `handler` : Function
  The method the event invokes
- `scope` : Object
  (optional) The scope (this object) for the handler
- `millis` : Number
  (optional) The number of milliseconds to buffer (defaults to 250)

Returns:

- `Function`
  The wrapped function that was created (can be used to remove the listener)

This method is defined by Observable.

### delayedListener

`public function delayedListener(`String eventName`, `Function handler`, [`Object scope`], [`Number delay`])`
Appends an event handler to this component that is delayed the specified number of milliseconds. This is useful for events that modify the DOM and need to wait for the browser to catch up.
Parameters:

- `eventName` : String
  The type of event to listen for
- `handler` : Function
  The method the event invokes
- `scope` : Object
  (optional) The scope (this object) for the handler
- `delay` : Number
  (optional) The number of milliseconds to delay (defaults to 1 millisecond)

Returns:

- `Function`
  The wrapped function that was created (can be used to remove the listener)

This method is defined by Observable.

### destroy

`public function destroy()`
Destroys this panel
Parameters:

- None.

Returns:

- `void`

This method is defined by ContentPanel.

### fireEvent

`public function fireEvent(`String eventName`, `Object... args`)`
Fires the specified event with the passed parameters (minus the event name).
Parameters:

- `eventName` : String
- `args` : Object...
  Variable number of parameters are passed to handlers

Returns:

- `Boolean`
  returns false if any of the handlers return false otherwise it returns true

This method is defined by Observable.

### getEl

`public function getEl()`
Returns this panel's element
Parameters:

- None.

Returns:

- `YAHOO.ext.Element`

This method is defined by ContentPanel.

### getId

`public function getId()`
Returns this panel's id
Parameters:

- None.

Returns:

- `String`

This method is defined by ContentPanel.

### getTitle

`public function getTitle()`
Returns this panel's title
Parameters:

- None.

Returns:

- `String`

This method is defined by ContentPanel.

### getToolbar

`public function getToolbar()`
Returns the toolbar for this Panel if one was configured
Parameters:

- None.

Returns:

- `YAHOO.ext.Toolbar`

This method is defined by ContentPanel.

### getUpdateManager

`public function getUpdateManager()`
Get the YAHOO.ext.UpdateManager for this panel. Enables you to perform Ajax updates.
Parameters:

- None.

Returns:

- `YAHOO.ext.UpdateManager`
  The UpdateManager

This method is defined by ContentPanel.

### isClosable

`public function isClosable()`
Returns true is this panel was configured to be closable
Parameters:

- None.

Returns:

- `Boolean`

This method is defined by ContentPanel.

### on

`public function on(`String eventName`, `Function handler`, [`Object scope`], [`boolean override`])`
Appends an event handler to this element (shorthand for addListener)
Parameters:

- `eventName` : String
  The type of event to listen for
- `handler` : Function
  The method the event invokes
- `scope` : Object
  (optional) The scope (this object) for the handler
- `override` : boolean
  (optional) If true, scope becomes the scope

Returns:

- `void`

This method is defined by Observable.

### purgeListeners

`public function purgeListeners()`
Removes all listeners for this object
Parameters:

- None.

Returns:

- `void`

This method is defined by Observable.

### refresh

`public function refresh()`
Force a content refresh from the URL specified in the setUrl() method. Will fail silently if the setUrl method has not been called. This does not activate the panel, just updates its content.
Parameters:

- None.

Returns:

- `void`

This method is defined by ContentPanel.

### removeListener

`public function removeListener(`String eventName`, `Function handler`, [`Object scope`])`
Removes a listener
Parameters:

- `eventName` : String
  The type of event to listen for
- `handler` : Function
  The handler to remove
- `scope` : Object
  (optional) The scope (this object) for the handler

Returns:

- `void`

This method is defined by Observable.

### setContent

`public function setContent(`String content`, [`Boolean loadScripts`])`
Updates this panel's element
Parameters:

- `content` : String
  The new content
- `loadScripts` : Boolean
  (optional) true to look for and process scripts

Returns:

- `void`

This method is defined by ContentPanel.

### setTitle

`public function setTitle(`String title`)`
Set this panel's title
Parameters:

- `title` : String

Returns:

- `void`

This method is defined by ContentPanel.

### setUrl

`public function setUrl(`String/Function url`, [`String/Object params`], [`Boolean loadOnce`])`
Set a URL to be used to load the content for this panel.
Parameters:

- `url` : String/Function
  The url to load the content from or a function to call to get the url
- `params` : String/Object
  (optional) The string params for the update call or an object of the params. See YAHOO.ext.UpdateManager.update for more details. (Defaults to null)
- `loadOnce` : Boolean
  (optional) Whether to only load the content once. If this is false it makes the Ajax call every time this panel is activated. (Defaults to false)

Returns:

- `YAHOO.ext.UpdateManager`
  The UpdateManager

This method is defined by ContentPanel.

## Event Details

### activate

`public event activate`
Fires when this panel is activated.
Subscribers will be called with the following parameters:

- `this` : YAHOO.ext.ContentPanel

This event is defined by ContentPanel.

### deactivate

`public event deactivate`
Fires when this panel is activated.
Subscribers will be called with the following parameters:

- `this` : YAHOO.ext.ContentPanel

This event is defined by ContentPanel.

yui-ext - Copyright © 2006 Jack Slocum. | Yahoo! UI - Copyright © 2006 Yahoo! Inc.
All rights reserved.