/*****************************************************************************
* Copyright (c) 2009 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:
* Yann Tanguy (CEA LIST) yann.tanguy@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.composite.custom.ui;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.papyrus.uml.diagram.composite.part.UMLDiagramEditorPlugin;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.uml2.uml.ConnectableElement;
/**
* This SelectionStatusValidator validate the selected object. It is assumed here the the selection
* does not allow multiple elements.
*
*/
public class CollaborationRoleValidator implements ISelectionStatusValidator {
/**
* <pre>
* The selection has to be a {@link ConnectableElement} for validation.
*
* {@inheritDoc}
* </pre>
*/
public IStatus validate(Object[] selection) {
IStatus status = new Status(IStatus.ERROR, UMLDiagramEditorPlugin.ID, "No selection found.");
if(selection.length == 1) {
if(selection[0] instanceof ConnectableElement) {
status = new Status(IStatus.OK, UMLDiagramEditorPlugin.ID, "Selection validated.");
} else {
status = new Status(IStatus.ERROR, UMLDiagramEditorPlugin.ID, "Selection has to be a ConnectableElement.");
}
}
return status;
}
}