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Hierarchy
Ext.AbstractManager
Ext.ComponentManager

Provides a registry of all Components (instances of Ext.Component or any subclass -thereof) on a page so that they can be easily accessed by component -id (see get, or the convenience method Ext.getCmp).

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This object also provides a registry of available Component classes -indexed by a mnemonic code known as the Component's xtype. -The xtype provides a way to avoid instantiating child Components -when creating a full, nested config object for a complete Ext page.

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A child Component may be specified simply as a config object -as long as the correct xtype is specified so that if and when the Component -needs rendering, the correct type can be looked up for lazy instantiation.

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For a list of all available xtypes, see Ext.Component.

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Defined By

Properties

 
Ext.AbstractManager
view source
all : Ext.util.MixedCollection

Contains all of the items currently managed

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Contains all of the items currently managed

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Defined By

Methods

 
Ext.ComponentManager
view source
create( -Object config, Constructor defaultType) - : Ext.Component
Creates a new Component from the specified config object using the -config object's xtype to determine the class to in...

Creates a new Component from the specified config object using the -config object's xtype to determine the class to instantiate.

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Parameters

  • config : Object

    A configuration object for the Component you wish to create.

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  • defaultType : Constructor

    The constructor to provide the default Component type if -the config object does not contain a xtype. (Optional if the config contains a xtype).

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Returns

  • Ext.Component   

    The newly instantiated Component.

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Ext.AbstractManager
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each( -Object fn, Object scope) - : void
Executes the specified function once for each item in the collection. -Returning false from the function will cease it...

Executes the specified function once for each item in the collection. -Returning false from the function will cease iteration.

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The paramaters passed to the function are:

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  • key : String

    The key of the item

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  • value : Number

    The value of the item

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  • length : Number

    The total number of items in the collection

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Parameters

  • fn : Object

    The function to execute.

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  • scope : Object

    The scope to execute in. Defaults to this.

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Returns

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Ext.AbstractManager
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get( -String id) - : Mixed

Returns an item by id. -For additional details see Ext.util.HashMap.get.

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Returns an item by id. -For additional details see Ext.util.HashMap.get.

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Parameters

  • id : String

    The id of the item

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Returns

  • Mixed   

    The item, undefined if not found.

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Ext.AbstractManager
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getCount : Number

Gets the number of items in the collection.

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Gets the number of items in the collection.

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Returns

  • Number   

    The number of items in the collection.

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Ext.AbstractManager
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isRegistered( -String type) - : Boolean

Checks if an item type is registered.

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Checks if an item type is registered.

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Parameters

  • type : String

    The mnemonic string by which the class may be looked up

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Returns

  • Boolean   

    Whether the type is registered.

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Ext.AbstractManager
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onAvailable( -String id, Function fn, Object scope) - : void
Registers a function that will be called when an item with the specified id is added to the manager. This will happen...

Registers a function that will be called when an item with the specified id is added to the manager. This will happen on instantiation.

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Parameters

  • id : String

    The item id

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  • fn : Function

    The callback function. Called with a single parameter, the item.

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  • scope : Object

    The scope (this reference) in which the callback is executed. Defaults to the item.

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Returns

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Ext.AbstractManager
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register( -Mixed item) - : void

Registers an item to be managed

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Registers an item to be managed

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Parameters

  • item : Mixed

    The item to register

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Returns

  • void    -
 
Ext.AbstractManager
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registerType( -String type, Constructor cls) - : void

Registers a new item constructor, keyed by a type key. - -

Registers a new item constructor, keyed by a type key. - -

Parameters

  • type : String

    The mnemonic string by which the class may be looked up.

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  • cls : Constructor

    The new instance class.

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Returns

  • void    -
 
Ext.AbstractManager
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unregister( -Mixed item) - : void

Unregisters an item by removing it from this manager

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Unregisters an item by removing it from this manager

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Parameters

  • item : Mixed

    The item to unregister

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Returns

  • void    -
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