| //------------------------------------------------------------------------------ |
| // 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.epf.library.edit.IConfigurable; |
| import org.eclipse.epf.library.edit.IFilter; |
| import org.eclipse.epf.uma.ProcessComponent; |
| import org.eclipse.epf.uma.ProcessPackage; |
| |
| /** |
| * The item provider adapter for a process package in the method element |
| * selection dialogs. |
| * |
| * @author Shashidhar Kannoori |
| * @since 1.0 |
| */ |
| public class ProcessPackageItemProvider extends |
| org.eclipse.epf.library.edit.navigator.ProcessPackageItemProvider implements |
| IConfigurable { |
| |
| private IFilter filter; |
| |
| //private Object parent; |
| |
| /** |
| * Creates a new instance. |
| * |
| * @param adapterFactory |
| */ |
| public ProcessPackageItemProvider(AdapterFactory adapterFactory) { |
| super(adapterFactory); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildren(java.lang.Object) |
| */ |
| public Collection getChildren(Object object) { |
| Collection children = getChildrenIncludingEmptyObjects(object); |
| for (Iterator iter = children.iterator(); iter.hasNext();) { |
| if (isEmptyPackage(iter.next())) { |
| iter.remove(); |
| } |
| } |
| return children; |
| } |
| |
| private Collection getChildrenIncludingEmptyObjects(Object object) { |
| ArrayList col = new ArrayList(); |
| Collection children = super.getChildren(object); |
| if (filter != null) { |
| for (Iterator iter = children.iterator(); iter.hasNext();) { |
| Object element = iter.next(); |
| Object child = element; |
| if (element instanceof ProcessComponent) { |
| child = ((ProcessComponent) element).getProcess(); |
| } |
| if (!filter.accept(child)) { |
| iter.remove(); |
| } else { |
| col.add(child); |
| } |
| } |
| } |
| return col; |
| } |
| |
| /** |
| * @param object |
| * @return |
| */ |
| private boolean isEmptyPackage(Object object) { |
| if (object instanceof ProcessComponent |
| || !(object instanceof ProcessPackage)) |
| return false; |
| Collection children = this.getChildrenIncludingEmptyObjects(object); |
| for (Iterator iter = children.iterator(); iter.hasNext();) { |
| if (!isEmptyPackage(iter.next())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| // private boolean anyProcessComponent(Object parentProcesPackage) { |
| // List list = ((ProcessPackage) parentProcesPackage).getProcessElements(); |
| // for (Iterator itor = list.iterator(); itor.hasNext();) { |
| // Object obj = itor.next(); |
| // if (obj instanceof ProcessComponent) { |
| // if (filter.accept(obj)) |
| // return true; |
| // } |
| // } |
| // return false; |
| // } |
| |
| public void setFilter(IFilter filter) { |
| this.filter = filter; |
| } |
| |
| public void setLabel(String label) { |
| } |
| |
| public void setParent(Object parent) { |
| //this.parent = parent; |
| } |
| |
| } |