org.eclipse.emf.edit.ui.action
Class CommandActionHandler

java.lang.Object
  org.eclipse.core.commands.common.EventManager
      org.eclipse.jface.action.AbstractAction
          org.eclipse.jface.action.Action
              org.eclipse.ui.actions.BaseSelectionListenerAction
                  org.eclipse.emf.edit.ui.action.CommandActionHandler

All Implemented Interfaces:

IAction, ISelectionChangedListener

Direct Known Subclasses:

ControlAction, CopyAction, CutAction, DeleteAction, GenModelActionBarContributor.CreateAction, PasteAction

public class CommandActionHandler
extends BaseSelectionListenerAction

Field Summary

protected Command	command This keeps track of the command delegate that is created by createCommand(java.util.Collection).
protected EditingDomain	domain This keeps track of the editing domain of the action.

Fields inherited from interface org.eclipse.jface.action.IAction

AS_CHECK_BOX, AS_DROP_DOWN_MENU, AS_PUSH_BUTTON, AS_RADIO_BUTTON, AS_UNSPECIFIED, CHECKED, DESCRIPTION, ENABLED, HANDLED, IMAGE, RESULT, TEXT, TOOL_TIP_TEXT

Constructor Summary

CommandActionHandler(EditingDomain domain)
This constructs and instance in this editing domain.

CommandActionHandler(EditingDomain domain, java.lang.String label)
This constructs and instance in this editing domain.

Method Summary

Command	createCommand(java.util.Collection<?> selection) This default implementation simply returns UnexecutableCommand.INSTANCE.
EditingDomain	getEditingDomain() This returns the action's domain.
void	run() This simply execute the command.
void	setEditingDomain(EditingDomain domain) This sets the action's domain.
boolean	updateSelection(IStructuredSelection selection) When the selection changes, this will call createCommand(java.util.Collection) with the appropriate collection of selected objects.

Methods inherited from class org.eclipse.ui.actions.BaseSelectionListenerAction

clearCache, getStructuredSelection, runWithEvent, selectionChanged, selectionChanged

Methods inherited from class org.eclipse.jface.action.Action

convertAccelerator, convertAccelerator, findKeyCode, findKeyString, findModifier, findModifierString, getAccelerator, getActionDefinitionId, getDescription, getDisabledImageDescriptor, getHelpListener, getHoverImageDescriptor, getId, getImageDescriptor, getMenuCreator, getStyle, getText, getToolTipText, isChecked, isEnabled, isHandled, notifyResult, removeAcceleratorText, removeMnemonics, setAccelerator, setActionDefinitionId, setChecked, setDescription, setDisabledImageDescriptor, setEnabled, setHelpListener, setHoverImageDescriptor, setId, setImageDescriptor, setMenuCreator, setText, setToolTipText

Methods inherited from class org.eclipse.jface.action.AbstractAction

addPropertyChangeListener, firePropertyChange, firePropertyChange, removePropertyChangeListener

Methods inherited from class org.eclipse.core.commands.common.EventManager

addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jface.action.IAction

addPropertyChangeListener, removePropertyChangeListener

Field Detail

domain

protected EditingDomain domain

This keeps track of the editing domain of the action.

command

protected Command command

This keeps track of the command delegate that is created by createCommand(java.util.Collection).

Constructor Detail

CommandActionHandler

public CommandActionHandler(EditingDomain domain)

This constructs and instance in this editing domain.

CommandActionHandler

public CommandActionHandler(EditingDomain domain,
                            java.lang.String label)

This constructs and instance in this editing domain.

Method Detail

getEditingDomain

public EditingDomain getEditingDomain()

This returns the action's domain.

setEditingDomain

public void setEditingDomain(EditingDomain domain)

This sets the action's domain.

run

public void run()

This simply execute the command.

Specified by:

run in interface IAction

Overrides:

run in class Action

updateSelection

public boolean updateSelection(IStructuredSelection selection)

When the selection changes, this will call createCommand(java.util.Collection) with the appropriate collection of selected objects.

Overrides:

updateSelection in class BaseSelectionListenerAction

createCommand

public Command createCommand(java.util.Collection<?> selection)

This default implementation simply returns UnexecutableCommand.INSTANCE.