plugins/org.eclipse.egf.pattern.ui/src/org/eclipse/egf/pattern/ui/contributions/PatternSubstitutionOutgoingPropertyEditorContributor.java

/**
 * <copyright>
 * 
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v2.0.
 *
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 * Thales Corporate Services S.A.S - initial API and implementation
 * 
 * </copyright>
 */

package org.eclipse.egf.pattern.ui.contributions;

import org.eclipse.egf.core.ui.contributor.DefaultPropertyEditorContributor;
import org.eclipse.egf.model.pattern.Pattern;
import org.eclipse.egf.model.pattern.PatternPackage;
import org.eclipse.egf.model.pattern.Substitution;
import org.eclipse.egf.pattern.ui.Messages;
import org.eclipse.egf.pattern.ui.editors.dialogs.PatternSelectionDialog;
import org.eclipse.emf.common.ui.celleditor.ExtendedDialogCellEditor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

/**
 * @author Thomas Guiu
 * 
 */
public class PatternSubstitutionOutgoingPropertyEditorContributor extends DefaultPropertyEditorContributor {

    public boolean canApply(Object object, IItemPropertyDescriptor descriptor) {
        return checkFeature(object, descriptor, PatternPackage.Literals.SUBSTITUTION__REPLACED_ELEMENT) && object instanceof Substitution;
    }

    public CellEditor createPropertyEditor(final Composite composite, final Object object, IItemPropertyDescriptor descriptor) {
        return new ExtendedDialogCellEditor(composite, getLabelProvider(object, descriptor)) {

            @Override
            protected Object openDialogBox(Control cellEditorWindow) {
                PatternSelectionDialog dialog = new PatternSelectionDialog(cellEditorWindow.getShell(), false);
                dialog.setTitle(Messages.SpecificationPage_browse_dialog_title);
                dialog.open();
                Object[] result = dialog.getResult();
                // Solve the result against our current resourceSet
                if (result != null && result.length > 0 && result[0] instanceof Pattern) {
                    return ((EObject) object).eResource().getResourceSet().getEObject(EcoreUtil.getURI((EObject) result[0]), true);
                }
                return null;
            }
        };
    }

}