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/*****************************************************************************
* Copyright (c) 2009 ATOS ORIGIN.
*
*
* 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:
* Tristan FAURE (ATOS ORIGIN) tristan.faure@atosorigin.com - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.sysml.diagram.internalblock.sheet;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.BaseLabelProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.sysml.diagram.internalblock.navigator.SysmlNavigatorGroup;
import org.eclipse.papyrus.sysml.diagram.internalblock.part.SysmlVisualIDRegistry;
import org.eclipse.papyrus.sysml.diagram.internalblock.providers.SysmlElementTypes;
import org.eclipse.swt.graphics.Image;
/**
* @generated
*/
public class SysmlSheetLabelProvider extends BaseLabelProvider implements ILabelProvider {
/**
* @generated
*/
public String getText(Object element) {
element = unwrap(element);
if (element instanceof SysmlNavigatorGroup) {
return ((SysmlNavigatorGroup) element).getGroupName();
}
IElementType etype = getElementType(getView(element));
return etype == null ? "" : etype.getDisplayName();
}
/**
* @generated
*/
public Image getImage(Object element) {
IElementType etype = getElementType(getView(unwrap(element)));
return etype == null ? null : SysmlElementTypes.getImage(etype);
}
/**
* @generated
*/
private Object unwrap(Object element) {
if (element instanceof IStructuredSelection) {
return ((IStructuredSelection) element).getFirstElement();
}
return element;
}
/**
* @generated
*/
private View getView(Object element) {
if (element instanceof View) {
return (View) element;
}
if (element instanceof IAdaptable) {
return (View) ((IAdaptable) element).getAdapter(View.class);
}
return null;
}
/**
* @generated
*/
private IElementType getElementType(View view) {
// For intermediate views climb up the containment hierarchy to find the one associated with
// an element type.
while (view != null) {
int vid = SysmlVisualIDRegistry.getVisualID(view);
IElementType etype = SysmlElementTypes.getElementType(vid);
if (etype != null) {
return etype;
}
view = view.eContainer() instanceof View ? (View) view.eContainer() : null;
}
return null;
}
}
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