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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Juan Cadavid (CEA LIST) juan.cadavid@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.uml.nattable.menu.handlers;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Set;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.UnexecutableCommand;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.papyrus.commands.wrappers.EMFtoGMFCommandWrapper;
import org.eclipse.papyrus.infra.nattable.manager.table.INattableModelManager;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.nattable.menu.messages.Messages;
import org.eclipse.papyrus.uml.nattable.menu.util.TableMenuUtils;
import org.eclipse.papyrus.uml.service.types.handlers.AbstractUmlCreateCommandHandler;
import org.eclipse.papyrus.uml.service.types.utils.ICommandContext;
/**
* Abstract handler for the creation commands of UML elements in the Nattable editor
*
*/
public abstract class AbstractUmlNattableCreateCommandHandler extends AbstractUmlCreateCommandHandler {
@Override
protected abstract IElementType getElementTypeToCreate();
/**
* <pre>
*
* Build the create command for an element creation in the selected container.
* The create command is given by the {@link IElementEditService} of selected
* element.
*
* @return the composite creation command for current selection
*
* </pre>
*/
@Override
protected Command buildCommand() {
Command createCmd = super.buildCommand();
final INattableModelManager nattableModelManager = TableMenuUtils.getTableManager(getActiveWorkbenchPart());
if(nattableModelManager != null) {
CompositeCommand cmd = new CompositeCommand(""); //$NON-NLS-1$
cmd.add(new EMFtoGMFCommandWrapper(createCmd));
final CreateElementRequest request = this.createRequest;
// depends on the synchronization of the axis manager
cmd.add(new AbstractTransactionalCommand(getEditingDomain(), Messages.AbstractNattableCreateCommandHandler_AddElementCommand, null) {
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
EObject newElement = request.getNewElement();
Collection<Object> toAdd = new ArrayList<Object>();
toAdd.add(newElement);
Command tmp = nattableModelManager.getAddRowElementCommand(toAdd);
if(tmp != null) {
tmp.execute();
}
return CommandResult.newOKCommandResult();
}
});
return new org.eclipse.papyrus.commands.wrappers.GMFtoEMFCommandWrapper(cmd);
}
return UnexecutableCommand.INSTANCE;
}
@Override
protected ICommandContext getCommandContext() {
return TableMenuUtils.getTableCommandContext(TableMenuUtils.getTableManager(getActiveWorkbenchPart()));
}
@Override
public void setEnabled(Object evaluationContext) {
Command command = getCommand();
boolean isEnabled = command.canExecute();
if(isEnabled) {
IElementType newElementType = getElementTypeToCreate();
INattableModelManager tableManager = TableMenuUtils.getTableManager(getActiveWorkbenchPart());
String id = newElementType.getId();
Set<String> visibleCommands = getFilterIds();
isEnabled = tableManager.canCreateRowElement(id);
isEnabled &= visibleCommands.contains(id);
}
setBaseEnabled(isEnabled);
}
@Override
public void dispose() {
super.dispose();
}
}
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