| /******************************************************************************* |
| * Copyright (c) 2004, 2005 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jst.jsf.facesconfig.ui.provider; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jst.jsf.facesconfig.emf.FacesConfigType; |
| import org.eclipse.jst.jsf.facesconfig.emf.ManagedBeanType; |
| import org.eclipse.jst.jsf.facesconfig.ui.section.ManagedBeanScopeTreeItem; |
| |
| /** |
| * Managed bean Content Provider. |
| * <p> |
| * <b>Provides grouping by Scope.</b> |
| * </p> |
| * |
| * @author Xiao-guang Zhang, sfshi |
| * @version 1.5 |
| */ |
| public class ManagedBeanContentProvider implements ITreeContentProvider { |
| |
| private List scopeItemList = null; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(Object |
| * parent) |
| */ |
| public Object[] getChildren(Object parent) { |
| |
| if (parent instanceof FacesConfigType) { |
| if (scopeItemList == null) { |
| scopeItemList = new ArrayList(); |
| for (int i = 0; i < ManagedBeanScopeTreeItem.scopeItems.length; i++) { |
| ManagedBeanScopeTreeItem scopeTreeItem = new ManagedBeanScopeTreeItem( |
| ManagedBeanScopeTreeItem.scopeItems[i], |
| (FacesConfigType) parent); |
| scopeItemList.add(scopeTreeItem); |
| } |
| } |
| return scopeItemList.toArray(); |
| } else if (parent instanceof ManagedBeanScopeTreeItem) { |
| return ((ManagedBeanScopeTreeItem) parent).getChildren().toArray(); |
| } |
| |
| return new Object[0]; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getElements(Object |
| * parent) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof ManagedBeanScopeTreeItem) { |
| return ((ManagedBeanScopeTreeItem) element).getParent(); |
| } else if (element instanceof ManagedBeanType) { |
| String scope = null; |
| if (((ManagedBeanType) element).getManagedBeanScope() != null) { |
| scope = ((ManagedBeanType) element).getManagedBeanScope() |
| .getTextContent(); |
| } |
| |
| if (scope != null) { |
| for (int i = 0; i < scopeItemList.size(); i++) { |
| if (((ManagedBeanScopeTreeItem) scopeItemList.get(i)) |
| .getScope().equals(scope)) { |
| return scopeItemList.get(i); |
| } |
| |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| public boolean hasChildren(Object element) { |
| if (element instanceof FacesConfigType) { |
| return true; |
| } else if (element instanceof ManagedBeanScopeTreeItem) { |
| return ((ManagedBeanScopeTreeItem) element).hasChildren(); |
| } |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| public void dispose() { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, |
| * java.lang.Object, java.lang.Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| if (newInput != null) { |
| // initialize(newInput); |
| } |
| } |
| |
| } |