com.inductiveautomation.ignition.designer.blockandconnector.undo

Class UndoAddBlock

java.lang.Object

com.inductiveautomation.ignition.designer.blockandconnector.undo.UndoAddBlock

All Implemented Interfaces:

UndoManager.UndoAction

public class UndoAddBlock
extends java.lang.Object
implements UndoManager.UndoAction

Constructor Summary

Constructors

Constructor and Description
UndoAddBlock(AbstractBlockWorkspace workspace, BlockDiagramModel model, Block block, boolean paste)

Method Summary

Modifier and Type	Method and Description
boolean	execute() This function executes (redoes) the action
java.lang.String	getDescription() The description of the action will be used to determine grouping equality as well as for display purposes.
boolean	isGroupSequenceIndependent() This function should return true if a group of these actions can be undone by ONLY calling undo() on the first action in the group, and redone by ONLY calling execute() on the last action in the group.
boolean	undo() This function will reverse the action

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoAddBlock

public UndoAddBlock(AbstractBlockWorkspace workspace,
                    BlockDiagramModel model,
                    Block block,
                    boolean paste)

Method Detail

getDescription

public java.lang.String getDescription()

Description copied from interface: UndoManager.UndoAction

The description of the action will be used to determine grouping equality as well as for display purposes.

Specified by:

getDescription in interface UndoManager.UndoAction

undo

public boolean undo()

Description copied from interface: UndoManager.UndoAction

This function will reverse the action

Specified by:

undo in interface UndoManager.UndoAction

Returns:

false if the undo failed

execute

public boolean execute()

Description copied from interface: UndoManager.UndoAction

This function executes (redoes) the action

Specified by:

execute in interface UndoManager.UndoAction

Returns:

false if the execution failed

isGroupSequenceIndependent

public boolean isGroupSequenceIndependent()

Description copied from interface: UndoManager.UndoAction

This function should return true if a group of these actions can be undone by ONLY calling undo() on the first action in the group, and redone by ONLY calling execute() on the last action in the group.

Specified by:

isGroupSequenceIndependent in interface UndoManager.UndoAction