Package com.google.gwt.editor.client.adapters

Class EditorSource<E extends Editor<?>>

java.lang.Object

com.google.gwt.editor.client.adapters.EditorSource<E>

Type Parameters:

E - the type of Editor required

Direct Known Subclasses:

FakeEditorSource, HasDataEditor.HasDataEditorSource

public abstract class EditorSource<E extends Editor<?>>
extends java.lang.Object

An entity capable of creating and destroying instances of Editors. This type is used by Editors which operate on ordered data, such as ListEditor.

See Also:

FakeEditorSource

Constructor Summary

Constructors

Constructor	Description
EditorSource()

Method Summary

Modifier and Type	Method	Description
abstract E	create(int index)	Create a new Editor.
java.util.List<E>	create(int count, int index)	Create multiple Editors.
E	createEditorForTraversal()	Creates a temporary sub-Editor to use for traversal.
void	dispose(E subEditor)	Called when an Editor no longer requires a sub-Editor.
void	setIndex(E editor, int index)	Re-order a sub-Editor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EditorSource

public EditorSource()

Method Detail

create

public abstract E create(int index)

Create a new Editor.

Parameters:

index - the position at which the new Editor should be displayed

Returns:

an Editor of type E

create

public java.util.List<E> create(int count,
                                int index)

Create multiple Editors. This method may be optionally overridden to provide a more efficient means of creating Editors in bulk.

Parameters:

count - the number of Editors desired

index - the position at which the new Editors should be displayed

Returns:

a List of Editors of type E

createEditorForTraversal

public E createEditorForTraversal()

Creates a temporary sub-Editor to use for traversal.

For backwards compatibility with GWT 2.5.0 and earlier, the default implementation calls create(0) and disposes the editor right away.

Returns:

an Editor of type E

See Also:

ListEditor.createEditorForTraversal(), EditorContext.traverseSyntheticCompositeEditor(com.google.gwt.editor.client.EditorVisitor)

dispose

public void dispose(E subEditor)

Called when an Editor no longer requires a sub-Editor. The default implementation is a no-op.

Parameters:

subEditor - an Editor of type E

setIndex

public void setIndex(E editor,
                     int index)

Re-order a sub-Editor. The default implementation is a no-op.

Parameters:

editor - an Editor of type E

index - the index of the Editor