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package org.eclipse.papyrus.infra.table.efacet.nestededitor.editor;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.Assert;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.ETypedElement;
import org.eclipse.emf.facet.custom.metamodel.v0_2_0.custom.Customization;
import org.eclipse.emf.facet.widgets.table.metamodel.v0_2_0.table.Column;
import org.eclipse.emf.facet.widgets.table.metamodel.v0_2_0.table.FeatureColumn;
import org.eclipse.emf.facet.widgets.table.metamodel.v0_2_0.table.Row;
import org.eclipse.emf.facet.widgets.table.metamodel.v0_2_0.table.TableFactory;
import org.eclipse.emf.facet.widgets.table.metamodel.v0_2_0.table.TablePackage;
import org.eclipse.emf.facet.widgets.table.ui.internal.exported.ITableWidget;
import org.eclipse.emf.facet.widgets.table.ui.internal.exported.ITableWidgetInternal;
import org.eclipse.emf.facet.widgets.table.ui.internal.exported.ITableWidgetProvider;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.validation.internal.modeled.model.validation.Feature;
import org.eclipse.papyrus.infra.core.editor.CoreMultiDiagramEditor;
import org.eclipse.papyrus.infra.table.efacet.common.listener.AbstractTableTriggerListener;
import org.eclipse.papyrus.infra.table.efacet.metamodel.papyrustable.PapyrusTable;
import org.eclipse.papyrus.infra.table.efacet.nestededitor.internal.copy.TableInstanceCommandFactory;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
public class HideNewColumnsListener extends AbstractTableTriggerListener {
/**
* features already managed
*/
private Set<ETypedElement> featuresAlreadyManaged = new HashSet<ETypedElement>();
public HideNewColumnsListener(final PapyrusTable table) {
super(table);
for(final Column column : table.getTable().getColumns()) {
if(column instanceof FeatureColumn) {
final ETypedElement element = ((FeatureColumn)column).getFeature();
if(element instanceof EStructuralFeature) {
featuresAlreadyManaged.add((EStructuralFeature)element);
}
}
}
}
/**
*
* @param notification
* a notification
* @return
* all the features of the object added in the table
*/
private Set<ETypedElement> getAllFeaturesObject(final Notification notification) {
final Set<ETypedElement> newFeatures = new HashSet<ETypedElement>();
final Object newValue = notification.getNewValue();
if(newValue instanceof Row) {
Row row = (Row)newValue;
EObject element = row.getElement();
Collection<EStructuralFeature> allFeatures = element.eClass().getEAllStructuralFeatures();
newFeatures.addAll(allFeatures);
newFeatures.removeAll(featuresAlreadyManaged);
}
return newFeatures;
}
/**
*
* @see org.eclipse.papyrus.infra.table.efacet.common.listener.AbstractTableTriggerListener#isManagedNotification(org.eclipse.emf.common.notify.Notification)
*
* @param notification
* @return
*/
@Override
protected boolean isManagedNotification(Notification notification) {
if(notification.getEventType() == Notification.ADD && notification.getNotifier() == this.table.getTable() && notification.getFeature() == TableFactory.eINSTANCE.getTablePackage().getTable_Rows()) {
Object newValue = notification.getNewValue();
if(newValue != null && newValue instanceof Row) {
return true;//there is something to do for each new row
}
}
return false;
}
/**
*
* @see org.eclipse.papyrus.infra.table.efacet.common.listener.AbstractTableTriggerListener#getCommandName(org.eclipse.emf.common.notify.Notification)
*
* @param notification
* @return
*/
@Override
protected String getCommandName(Notification notification) {
return "Hide new columns command";
}
/**
*
* @see org.eclipse.papyrus.infra.table.efacet.common.listener.AbstractTableTriggerListener#getSynchronizationCommand(org.eclipse.emf.transaction.TransactionalEditingDomain, org.eclipse.emf.common.notify.Notification)
*
* @param domain
* @param notification
* @return
*/
@Override
protected Command getSynchronizationCommand(final TransactionalEditingDomain domain, final Notification notification) {
final Collection<ETypedElement> features = getAllFeaturesObject(notification);
if(!features.isEmpty()) {
featuresAlreadyManaged.addAll(features);
final ITableWidgetInternal widget = getWidget();
return TableInstanceCommandFactory.createHideColumnCommand(widget, domain, table.getTable(), features);
}
return null;
}
/**
* TODO EMF-Facet should provides a best way to hide columns programmatically
* @return
*/
private ITableWidgetInternal getWidget() {
final IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
Assert.isTrue(editor instanceof CoreMultiDiagramEditor);
final IEditorPart activeEditor = ((CoreMultiDiagramEditor)editor).getActiveEditor();
ITableWidgetProvider provider = (ITableWidgetProvider)activeEditor.getAdapter(ITableWidgetProvider.class);
ITableWidget widget = provider.getTableWidget();
if(widget instanceof ITableWidgetInternal) {
return (ITableWidgetInternal)widget;
}
return null;
}
}
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