Package com.inductiveautomation.ignition.designer.blockandconnector.undo

Class UndoDeleteConnection

java.lang.Object

com.inductiveautomation.ignition.designer.blockandconnector.undo.UndoDeleteConnection

All Implemented Interfaces:

UndoManager.UndoAction

public class UndoDeleteConnection
extends Object
implements UndoManager.UndoAction

Constructor Summary

Constructors

Constructor	Description
UndoDeleteConnection(BlockDesignableContainer pdc, AnchorPoint origin, AnchorPoint terminus)

Method Summary

Modifier and Type	Method	Description
boolean	execute()	This function executes (redoes) the action
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 Details

UndoDeleteConnection

public UndoDeleteConnection(BlockDesignableContainer pdc,
 AnchorPoint origin,
 AnchorPoint terminus)

Method Details

getDescription

public 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

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

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

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