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/*******************************************************************************
* Copyright (c) 2009, 2011 Mia-Software.
* 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:
* Nicolas Bros (Mia-Software) - initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.emf.facet.efacet.ui.internal.wizards.pages;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EPackage.Registry;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.papyrus.emf.facet.efacet.ui.internal.Messages;
import org.eclipse.papyrus.emf.facet.efacet.ui.internal.widget.MetamodelSelectionControl;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.dialogs.FilteredList;
public class SelectEPackageWizardPage extends WizardPage {
private MetamodelSelectionControl metamodelSelectionControl;
private final EditingDomain editingDomain;
public SelectEPackageWizardPage(final EditingDomain editingDomain) {
super("Whatever"); //$NON-NLS-1$
setTitle(Messages.Select_EPackage);
this.editingDomain = editingDomain;
}
@Override
public void setVisible(final boolean visible) {
super.setVisible(visible);
if (visible) {
this.metamodelSelectionControl.getFilterText().setFocus();
setPageComplete(true);
}
}
public void createControl(final Composite parent) {
this.metamodelSelectionControl = new MetamodelSelectionControl(parent);
this.metamodelSelectionControl.setLayoutData(new GridData(GridData.FILL_BOTH));
final FilteredList filteredList = this.metamodelSelectionControl.getFilteredList();
filteredList.addSelectionListener(new SelectionListener() {
public void widgetSelected(final SelectionEvent e) {
if (e.item != null) {
setPageComplete(filteredList.getSelection().length == 1);
}
}
public void widgetDefaultSelected(final SelectionEvent e) {
if (getWizard().canFinish()) {
getWizard().performFinish();
}
if (getNextPage() != null) {
goToNextPage();
}
}
});
// prevent the page from being "complete" when still on a previous page
filteredList.setSelection(new int[0]);
setPageComplete(false);
setControl(this.metamodelSelectionControl);
}
protected void goToNextPage() {
getContainer().showPage(getNextPage());
}
public EPackage getFirstSelectedEPackage() {
// Only one result
if (this.metamodelSelectionControl.getSelectedElements() != null) {
Object result = this.metamodelSelectionControl.getSelectedElements()[0];
if (EPackage.Registry.INSTANCE.containsKey(result.toString())) {
return EPackage.Registry.INSTANCE.getEPackage(result.toString());
}
}
return null;
}
public void loadSelectedMetamodel() {
Object[] results = this.metamodelSelectionControl.getSelectedElements();
// if user cancel the selection of meta models, results = null
if (results != null) {
ResourceSet resourceSet = this.editingDomain.getResourceSet();
for (Object result : results) {
URI uri = URI.createURI(result.toString());
Resource r = resourceSet.getResource(uri, true);
if (!resourceSet.getResources().contains(r)) {
Registry packageRegistry = resourceSet.getPackageRegistry();
for (EObject eObject : r.getContents()) {
if (eObject instanceof EPackage) {
EPackage ePackage = (EPackage) eObject;
packageRegistry.put(ePackage.getNsURI(), ePackage);
}
}
resourceSet.getResources().add(r);
}
}
}
}
}
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