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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
*
* 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.nattable.views.config.manager.axis;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.infra.core.sashwindows.di.DiPackage;
import org.eclipse.papyrus.infra.core.sashwindows.di.PageList;
import org.eclipse.papyrus.infra.core.sashwindows.di.PageRef;
import org.eclipse.papyrus.infra.nattable.manager.axis.AbstractSynchronizedOnFeatureAxisManager;
import org.eclipse.papyrus.infra.nattable.manager.cell.CellManagerFactory;
import org.eclipse.papyrus.infra.nattable.manager.table.INattableModelManager;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.AxisManagerRepresentation;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisprovider.AbstractAxisProvider;
import org.eclipse.papyrus.infra.nattable.views.config.utils.Utils;
/**
*
* @author Vincent Lorenzo
*
*/
public class EditorContextSynchronizerAxisManager extends AbstractSynchronizedOnFeatureAxisManager {
/**
* we keep it to be able to remove the listener during the destruction of the table
*/
private PageList pageList;
/**
*
* @see org.eclipse.papyrus.infra.nattable.manager.axis.AbstractSynchronizedOnFeatureAxisManager#init(org.eclipse.papyrus.infra.nattable.manager.table.INattableModelManager,
* org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.AxisManagerRepresentation,
* org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisprovider.AbstractAxisProvider)
*
* @param manager
* @param rep
* @param provider
*/
@Override
public void init(INattableModelManager manager, AxisManagerRepresentation rep, AbstractAxisProvider provider) {
super.init(manager, rep, provider);
}
/**
*
* @see org.eclipse.papyrus.infra.nattable.manager.axis.AbstractSynchronizedOnFeatureAxisManager#addContextFeatureValueListener()
*
*/
@Override
protected void addContextFeatureValueListener() {
this.featureListener = new AdapterImpl() {
@Override
public void notifyChanged(Notification msg) {
if(msg.getFeature() == DiPackage.eINSTANCE.getPageList_AvailablePage()) {
getTableManager().updateAxisContents(getRepresentedContentProvider());
}
}
};
getPageList().eAdapters().add(this.featureListener);
}
private PageList getPageList() {
if(this.pageList == null) {
this.pageList = Utils.getPageList(getTableManager().getTable());
}
return this.pageList;
}
/**
*
* @see org.eclipse.papyrus.infra.nattable.manager.axis.AbstractSynchronizedOnFeatureAxisManager#verifyCoupleContextFeature()
*
*/
@Override
protected void verifyCoupleContextFeature() {
//nothing to do
}
/**
*
* @param page
* a page
* @return
* <code>true</code> if the page is referenced by a child of the context of the table or by the context itself
*/
private boolean mustBeDisplayedInThisTable(final Object page) {
final Object value = CellManagerFactory.INSTANCE.getCrossValue(page, Utils.NATTABLE_EDITOR_PAGE_ID + Utils.VIEW_CONTEXT);
if(value instanceof EObject) {
final EObject tableContext = getTableContext();
EObject container = (EObject)value;
while(container != null) {
if(container == tableContext) {
return true;
}
container = container.eContainer();
}
}
return false;
}
/**
*
* @see org.eclipse.papyrus.infra.nattable.manager.axis.AbstractAxisManager#dispose()
*
*/
@Override
public void dispose() {
if(getPageList() != null) {
getPageList().eAdapters().remove(this.featureListener);
}
this.pageList = null;
super.dispose();
}
/**
*
* @see org.eclipse.papyrus.infra.nattable.manager.axis.AbstractAxisManager#getAllManagedAxis()
*
* @return
*/
@Override
public Collection<Object> getAllManagedAxis() {
final PageList pageList = Utils.getPageList(getTableManager().getTable());
final List<Object> elements = new ArrayList<Object>();
elements.clear();
for(final PageRef ref : pageList.getAvailablePage()) {
final Object page = ref.getPageIdentifier();
if(mustBeDisplayedInThisTable(page)) {
elements.add(page);
}
}
return elements;
}
/**
*
* @see org.eclipse.papyrus.infra.nattable.manager.axis.IAxisManager#canEditAxisHeader()
*
* @return
*/
@Override
public boolean canEditAxisHeader() {
return false;
}
}
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