| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.tests.viewers; |
| |
| import org.eclipse.jface.util.Assert; |
| import org.eclipse.jface.viewers.AbstractTreeViewer; |
| import org.eclipse.jface.viewers.IBasicPropertyConstants; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.ListViewer; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| public class TestModelContentProvider implements ITestModelListener, IStructuredContentProvider, ITreeContentProvider { |
| Viewer fViewer; |
| public void dispose() { |
| } |
| protected void doInsert(TestModelChange change) { |
| if (fViewer instanceof ListViewer) { |
| if (change.getParent() != null && change.getParent().equals(fViewer.getInput())) { |
| ((ListViewer) fViewer).add(change.getChildren()); |
| } |
| } |
| else if (fViewer instanceof TableViewer) { |
| if (change.getParent() != null && change.getParent().equals(fViewer.getInput())) { |
| ((TableViewer) fViewer).add(change.getChildren()); |
| } |
| } |
| else if (fViewer instanceof AbstractTreeViewer) { |
| ((AbstractTreeViewer) fViewer).add(change.getParent(), change.getChildren()); |
| } |
| else { |
| Assert.isTrue(false, "Unknown kind of viewer"); |
| } |
| } |
| protected void doNonStructureChange(TestModelChange change) { |
| if (fViewer instanceof StructuredViewer) { |
| ((StructuredViewer) fViewer).update(change.getParent(), new String[] { IBasicPropertyConstants.P_TEXT }); |
| } |
| else { |
| Assert.isTrue(false, "Unknown kind of viewer"); |
| } |
| } |
| protected void doRemove(TestModelChange change) { |
| if (fViewer instanceof ListViewer) { |
| ((ListViewer) fViewer).remove(change.getChildren()); |
| } |
| else if (fViewer instanceof TableViewer) { |
| ((TableViewer) fViewer).remove(change.getChildren()); |
| } |
| else if (fViewer instanceof AbstractTreeViewer) { |
| ((AbstractTreeViewer) fViewer).remove(change.getChildren()); |
| } |
| else { |
| Assert.isTrue(false, "Unknown kind of viewer"); |
| } |
| } |
| protected void doStructureChange(TestModelChange change) { |
| if (fViewer instanceof StructuredViewer) { |
| ((StructuredViewer) fViewer).refresh(change.getParent()); |
| } |
| else { |
| Assert.isTrue(false, "Unknown kind of viewer"); |
| } |
| } |
| public Object[] getChildren(Object element) { |
| TestElement testElement = (TestElement) element; |
| int count = testElement.getChildCount(); |
| TestElement[] children = new TestElement[count]; |
| for (int i = 0; i < count; ++i) |
| children[i] = testElement.getChildAt(i); |
| return children; |
| } |
| public Object[] getElements(Object element) { |
| return getChildren(element); |
| } |
| public Object getParent(Object element) { |
| return ((TestElement) element).getContainer(); |
| } |
| public boolean hasChildren(Object element) { |
| return ((TestElement) element).getChildCount() > 0; |
| } |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| fViewer = viewer; |
| TestElement oldElement = (TestElement) oldInput; |
| if (oldElement != null) { |
| oldElement.getModel().removeListener(this); |
| } |
| TestElement newElement = (TestElement) newInput; |
| if (newElement != null) { |
| newElement.getModel().addListener(this); |
| } |
| } |
| public boolean isDeleted(Object element) { |
| return ((TestElement) element).isDeleted(); |
| } |
| public void testModelChanged(TestModelChange change) { |
| switch (change.getKind()) { |
| case TestModelChange.INSERT: |
| doInsert(change); |
| break; |
| case TestModelChange.REMOVE: |
| doRemove(change); |
| break; |
| case TestModelChange.STRUCTURE_CHANGE: |
| doStructureChange(change); |
| break; |
| case TestModelChange.NON_STRUCTURE_CHANGE: |
| doNonStructureChange(change); |
| break; |
| default: |
| throw new IllegalArgumentException("Unknown kind of change"); |
| } |
| |
| StructuredSelection selection = new StructuredSelection(change.getChildren()); |
| if ((change.getModifiers() & TestModelChange.SELECT) != 0) { |
| ((StructuredViewer) fViewer).setSelection(selection); |
| } |
| if ((change.getModifiers() & TestModelChange.REVEAL) != 0) { |
| Object element = selection.getFirstElement(); |
| if (element != null) { |
| ((StructuredViewer) fViewer).reveal(element); |
| } |
| } |
| } |
| } |