edu.ucdavis.cstars.client

Class OperationBase

java.lang.Object

com.google.gwt.core.client.JavaScriptObject

edu.ucdavis.cstars.client.OperationBase

Direct Known Subclasses:

Add, Cut, Delete, Union, Update

public class OperationBase
extends com.google.gwt.core.client.JavaScriptObject

The OperationBase class defines operations that can be added to the UndoManager. Extend this class to create custom operations.

Author:

Justin Merz

Method Summary

Methods

Modifier and Type	Method and Description
static OperationBase	create() Creates a new OperationBase object.
static OperationBase	create(java.lang.String label, java.lang.String type) Creates a new OperationBase object.
java.lang.String	getLabel() Get the label for this operation.
java.lang.String	getType() Get the type of this operation
void	performRedo() Re-perform the last undo operation.
void	performUndo() Reverse the operation.
void	setLabel(java.lang.String label) Details about the operation, for example: "Update" may be the label for an edit operation that updates features.
void	setRedoAction(RedoHandler handler)
void	setType(java.lang.String type) The type of operation, for example: "edit" or "navigation".
void	setUndoAction(UndoHandler handler)

Methods inherited from class com.google.gwt.core.client.JavaScriptObject

cast, createArray, createArray, createFunction, createObject, equals, hashCode, toSource, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static OperationBase create()

Creates a new OperationBase object.

Returns:

OperationBase

create

public static OperationBase create(java.lang.String label,
                   java.lang.String type)

Creates a new OperationBase object.

Parameters:

label - - Details about the operation

type - - The type of operation

Returns:

OperationBase

setLabel

public final void setLabel(java.lang.String label)

Details about the operation, for example: "Update" may be the label for an edit operation that updates features.

Parameters:

label - - operation label

getLabel

public final java.lang.String getLabel()

Get the label for this operation.

Returns:

String

setType

public final void setType(java.lang.String type)

The type of operation, for example: "edit" or "navigation".

Parameters:

type - - operation type.

getType

public final java.lang.String getType()

Get the type of this operation

Returns:

String

performRedo

public final void performRedo()

Re-perform the last undo operation.

setRedoAction

public final void setRedoAction(RedoHandler handler)

performUndo

public final void performUndo()

Reverse the operation.

setUndoAction

public final void setUndoAction(UndoHandler handler)