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/*****************************************************************************
* Copyright (c) 2015 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Gabriel Pascual (ALL4TEC) gabriel.pascual@all4tec.net - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.extensionpoints.editors.preferences.provider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.papyrus.infra.gmfdiag.extensionpoints.editors.configuration.IDirectEditorConstraint;
import org.eclipse.swt.graphics.Image;
/**
* Label provider for preferences tree of Direct Editor and Constraint.
*
* @author Gabriel Pascual
*
*/
public class DirectEditorLabelProvider extends LabelProvider implements ILabelProvider {
/** The Constant UNKNOWN_LABEL. */
private static final String UNKNOWN_LABEL = "<Unknown>";
/**
* Default constructor.
*
*/
public DirectEditorLabelProvider() {
super();
}
@Override
public Image getImage(Object element) {
return null;
}
/**
* @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
*
* @param element
* @return
*/
@Override
public String getText(Object element) {
String text = UNKNOWN_LABEL;
if (element instanceof DirectEditorTreeItem) {
// For a Direct Editor, the meta class to edit is displayed
text = ((DirectEditorTreeItem) element).getMetaClassToEdit();
} else if (element instanceof IDirectEditorConstraint) {
// For a Constraint, the label of the constraint is displayed
text = ((IDirectEditorConstraint) element).getLabel();
}
return text;
}
}
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