| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.ui.internal.search; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.help.internal.workingset.AdaptableHelpResource; |
| import org.eclipse.help.internal.workingset.AdaptableToc; |
| import org.eclipse.help.internal.workingset.AdaptableTocsArray; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| public class HelpWorkingSetTreeContentProvider implements ITreeContentProvider { |
| |
| /** |
| * Constructor for HelpWorkingSetTreeContentProvider. |
| */ |
| public HelpWorkingSetTreeContentProvider() { |
| super(); |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| */ |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof AdaptableTocsArray) |
| return ((AdaptableTocsArray) parentElement).getChildren(); |
| else if (parentElement instanceof AdaptableToc) |
| return ((AdaptableToc) parentElement).getChildren(); |
| else |
| return new IAdaptable[0]; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| */ |
| @Override |
| public Object getParent(Object element) { |
| if (element instanceof AdaptableHelpResource) |
| return ((AdaptableHelpResource) element).getParent(); |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| @Override |
| public boolean hasChildren(Object element) { |
| return (element instanceof AdaptableToc || element instanceof AdaptableTocsArray); |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| @Override |
| public void dispose() { |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, |
| * java.lang.Object, java.lang.Object) |
| */ |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| } |