| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 IBM Corporation and others. |
| // 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: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.edit.itemsfilter; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notifier; |
| import org.eclipse.epf.library.edit.IConfigurable; |
| import org.eclipse.epf.library.edit.IFilter; |
| import org.eclipse.epf.library.edit.TransientGroupItemProvider; |
| import org.eclipse.epf.uma.UmaPackage; |
| |
| /** |
| * The item provider adapter for the content element folders in the method |
| * element selection dialogs. |
| * |
| * @author Shashidhar Kannoori |
| * @since 1.0 |
| */ |
| public class ContentElementsItemProvider extends TransientGroupItemProvider |
| implements IConfigurable { |
| |
| IFilter filter; |
| |
| /** |
| * Creates a new instance. |
| * |
| * @param adapterFactory |
| * @param parent |
| */ |
| public ContentElementsItemProvider(AdapterFactory adapterFactory, |
| Notifier parent) { |
| super(adapterFactory, parent); |
| } |
| |
| /** |
| * Creates a new instance. |
| * |
| * @param adapterFactory |
| * @param parent |
| * @param name |
| */ |
| public ContentElementsItemProvider(AdapterFactory adapterFactory, |
| Notifier parent, String name) { |
| super(adapterFactory, parent, name); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildrenFeatures(java.lang.Object) |
| */ |
| public Collection getChildrenFeatures(Object object) { |
| if (childrenFeatures == null) { |
| childrenFeatures = new ArrayList(); |
| childrenFeatures.add(UmaPackage.eINSTANCE |
| .getMethodPackage_ChildPackages()); |
| childrenFeatures.add(UmaPackage.eINSTANCE |
| .getContentPackage_ContentElements()); |
| } |
| return childrenFeatures; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildren(java.lang.Object) |
| */ |
| public Collection getChildren(Object object) { |
| Collection childrenCol = super.getChildren(object); |
| for (Iterator iter1 = childrenCol.iterator(); iter1.hasNext();) { |
| Object child = iter1.next(); |
| if (child instanceof IConfigurable) |
| ((IConfigurable) child).setFilter(filter); |
| if (!filter.accept(child)) |
| iter1.remove(); |
| } |
| return childrenCol; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.epf.library.edit.IConfigurable#setFilter(com.ibm.library.edit.IFilter) |
| */ |
| public void setFilter(IFilter filter) { |
| this.filter = filter; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.epf.library.edit.TransientGroupItemProvider#acceptAsChild(java.lang.Object) |
| */ |
| protected boolean acceptAsChild(Object obj) { |
| if (!super.acceptAsChild(obj)) |
| return false; |
| return true; |
| } |
| |
| } |