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Runtime

org.eclipse.gmf.runtime.emf.type.core.commands
Class CreateElementCommand

java.lang.Object
  extended by 

org.eclipse.core.commands.operations.AbstractOperation
      extended by org.eclipse.emf.workspace.AbstractEMFOperation
          extended by 

org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand
              extended by 

org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand
                  extended by 
org.eclipse.gmf.runtime.emf.type.core.commands.CreateElementCommand
All Implemented Interfaces:
IUndoableOperation, ICommand, org.eclipse.gmf.runtime.common.core.internal.command.ICommandWithSettableResult
Direct Known Subclasses:
CreateRelationshipCommand

public class CreateElementCommand
extends EditElementCommand

Command to create a new model element.


Constructor Summary
CreateElementCommand ( CreateElementRequest request)
          Constructs a new element creation command for the request.
 
Method Summary
 boolean canExecute ()
          Checks that the element to be modified by this command is of the correct kind.
protected   ConfigureRequest createConfigureRequest ()
          Creates the request to configure the new element.
protected  org.eclipse.emf.ecore.EObject doDefaultElementCreation ()
          Subclasses should implement this to override the basic element creation.
protected   CommandResult doExecuteWithResult ( IProgressMonitor monitor, IAdaptable info)
          Implemented by subclasses to perform the model changes.
protected  org.eclipse.emf.ecore.EReference getContainmentFeature ()
          Gets the containment feature for the new element.
  CreateElementRequest getCreateRequest ()
          Gets the create request.
protected   IStatus getDefaultElementCreationStatus ()
          Gets the status of the default element creation.
protected  org.eclipse.emf.ecore.EClass getEClassToEdit ()
          Gets the EClass of the element to be edited.
protected  org.eclipse.emf.ecore.EObject getElementToEdit ()
          Initializes the container of the new element by asking the create to create the container, if necessary.
protected   IElementType getElementType ()
          Gets the element type for the new element.
 org.eclipse.emf.ecore.EObject getNewElement ()
          Gets the new element that was created by this command.
protected  void setContainmentFeature (org.eclipse.emf.ecore.EReference containmentFeature)
          Sets the containment feature for the new element.
protected  void setDefaultElementCreationStatus ( IStatus status)
          Sets the status of the default element creation.
 
Methods inherited from class org.eclipse.gmf.runtime.emf.type.core.commands. EditElementCommand
getAffectedFiles, getEClass, getRequest, isOK, setEClass, setElementToEdit
 
Methods inherited from class org.eclipse.gmf.runtime.emf.commands.core.command. AbstractTransactionalCommand
aggregateStatuses, cleanup, compose, didRedo, didUndo, doExecute, doRedo, doUndo, getAffectedFiles, getCommandResult, getWorkspaceFiles, getWorkspaceFiles, internalSetResult, reduce, setResult
 
Methods inherited from class org.eclipse.emf.workspace.AbstractEMFOperation
canRedo, canSetOptions, canUndo, didCommit, dispose, execute, getChange, getEditingDomain, getOptions, isReuseParentTransaction, redo, setOptions, setReuseParentTransaction, undo
 
Methods inherited from class org.eclipse.core.commands.operations. AbstractOperation
addContext, getContexts, getLabel, hasContext, removeContext, setLabel, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.eclipse.gmf.runtime.common.core.command. ICommand
setLabel
 
Methods inherited from interface org.eclipse.core.commands.operations. IUndoableOperation
addContext, canRedo, canUndo, dispose, execute, getContexts, getLabel, hasContext, redo, removeContext, undo
 

Constructor Detail

CreateElementCommand

public CreateElementCommand(
CreateElementRequest request)
Constructs a new element creation command for the request.

Parameters:
request - the element creation request
Method Detail

doExecuteWithResult

protected 
CommandResult doExecuteWithResult(
IProgressMonitor monitor,
                                            
IAdaptable info)
                                     throws 
ExecutionException
Description copied from class: AbstractTransactionalCommand
Implemented by subclasses to perform the model changes. These changes are applied by manipulation of the EMF metamodel's API, not by executing commands on the editing domain's command stack.

Specified by:
doExecuteWithResult in class AbstractTransactionalCommand
Parameters:
monitor - the progress monitor provided by the operation history
info - the adaptable provided by the operation history
Returns:
the result of the execution
Throws:
ExecutionException - if, for some reason, I fail to complete the operation

createConfigureRequest

protected 
ConfigureRequest createConfigureRequest()
Creates the request to configure the new element.

Returns:
the request

doDefaultElementCreation

protected org.eclipse.emf.ecore.EObject doDefaultElementCreation()
Subclasses should implement this to override the basic element creation.

Returns:
the new model element that has been created

getDefaultElementCreationStatus

protected 
IStatus getDefaultElementCreationStatus()
Gets the status of the default element creation.

Returns:
the status
Since:
1.2

setDefaultElementCreationStatus

protected void setDefaultElementCreationStatus(
IStatus status)
Sets the status of the default element creation.

Parameters:
status - the new status
Since:
1.2

getElementToEdit

protected org.eclipse.emf.ecore.EObject getElementToEdit()
Initializes the container of the new element by asking the create to create the container, if necessary.

Overrides:
getElementToEdit in class EditElementCommand
Returns:
the element to be modified

getEClassToEdit

protected org.eclipse.emf.ecore.EClass getEClassToEdit()
Gets the EClass of the element to be edited.

Overrides:
getEClassToEdit in class EditElementCommand
Returns:
the EClass

getContainmentFeature

protected org.eclipse.emf.ecore.EReference getContainmentFeature()
Gets the containment feature for the new element.

Returns:
the containment feature

setContainmentFeature

protected void setContainmentFeature(org.eclipse.emf.ecore.EReference containmentFeature)
Sets the containment feature for the new element.

Parameters:
containmentFeature - the containment feature for the new element

getElementType

protected 
IElementType getElementType()
Gets the element type for the new element.

Returns:
the element type

getCreateRequest

public 
CreateElementRequest getCreateRequest()
Gets the create request.

Returns:
the create request

canExecute

public boolean canExecute()
Description copied from class: EditElementCommand
Checks that the element to be modified by this command is of the correct kind.

Specified by:
canExecute in interface IUndoableOperation
Overrides:
canExecute in class EditElementCommand

getNewElement

public org.eclipse.emf.ecore.EObject getNewElement()
Gets the new element that was created by this command. Will be null if the command has not been executed.

Returns:
the new element

Runtime

Guidelines for using Eclipse APIs.

Copyright (c) IBM Corp., Borland Software Corp., and others 2005,2006. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire