| /******************************************************************************* |
| * Copyright (c) 2006, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Brock Janiczak (brockj@tpg.com.au) - Bug 142960 Performance tweak for ignored file processing |
| ******************************************************************************/ |
| package org.eclipse.jface.tests.viewers; |
| |
| import java.util.Vector; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.jface.viewers.AbstractTreeViewer; |
| import org.eclipse.jface.viewers.ComboViewer; |
| import org.eclipse.jface.viewers.IBasicPropertyConstants; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.ListViewer; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public abstract class ViewerComparatorTest extends ViewerTestCase { |
| protected String UI = "UI"; |
| protected String[] TEAM1 = { "Karice", "Tod", "Eric", "Paul", "Mike", "Michael", "Andrea", "Kim", "Boris", |
| "Susan" }; |
| protected String[] TEAM1_SORTED = { "Andrea", "Boris", "Eric", "Karice", "Kim", "Michael", "Mike", "Paul", "Susan", |
| "Tod" }; |
| protected String[] TEAM1_SORTED_WITH_INSERT = { "Andrea", "Boris", "Duong", "Eric", "Karice", "Kim", "Michael", |
| "Mike", "Paul", "Susan", "Tod" }; |
| |
| protected String RUNTIME = "Runtime"; |
| protected String[] TEAM2 = { "Pascal", "DJ", "Jeff", "Andrew", "Oleg" }; |
| protected String[] TEAM2_SORTED = { "Andrew", "DJ", "Jeff", "Oleg", "Pascal" }; |
| |
| protected String CORE = "Core"; |
| protected String[] TEAM3 = { "John", "Michael", "Bogdan" }; |
| protected String[] TEAM3_SORTED = { "Bogdan", "John", "Michael" }; |
| |
| protected Team team1 = new Team(UI, TEAM1); |
| protected Team team2 = new Team(RUNTIME, TEAM2); |
| protected Team team3 = new Team(CORE, TEAM3); |
| |
| /* |
| * model object - parent |
| */ |
| protected class Team { |
| Vector<IComparatorModelListener> fListeners = new Vector<>(); |
| |
| TeamMember[] members; |
| String name; |
| |
| public Team(String name, String[] members) { |
| this.name = name; |
| this.members = new TeamMember[members.length]; |
| for (int i = 0; i < members.length; i++) { |
| this.members[i] = new TeamMember(members[i], this); |
| } |
| } |
| |
| public void addMember(String person) { |
| TeamMember newMember = new TeamMember(person, this); |
| TeamMember[] newMembers = new TeamMember[members.length + 1]; |
| System.arraycopy(members, 0, newMembers, 0, members.length); |
| newMembers[newMembers.length - 1] = newMember; |
| members = null; |
| members = newMembers; |
| newMembers = null; |
| fireModelChanged(new ComparatorModelChange(TestModelChange.INSERT, this, newMember)); |
| } |
| |
| public void addListener(IComparatorModelListener listener) { |
| fListeners.addElement(listener); |
| } |
| |
| /** |
| * Fires a model changed event to all listeners. |
| * |
| * @param change |
| */ |
| public void fireModelChanged(ComparatorModelChange change) { |
| for (IComparatorModelListener listener : fListeners) { |
| listener.modelChanged(change); |
| } |
| } |
| |
| public void removeListener(IComparatorModelListener listener) { |
| fListeners.removeElement(listener); |
| } |
| } |
| |
| /* |
| * model object - child |
| */ |
| protected class TeamMember { |
| String name; |
| Team team; |
| |
| public TeamMember(String name, Team team) { |
| this.name = name; |
| this.team = team; |
| } |
| } |
| |
| /* |
| * label provider |
| */ |
| protected class TeamModelLabelProvider extends LabelProvider { |
| @Override |
| public String getText(Object element) { |
| if (element instanceof Team) { |
| return ((Team) element).name; |
| } else if (element instanceof TeamMember) { |
| return ((TeamMember) element).name; |
| } |
| return element.toString(); |
| } |
| } |
| |
| /* |
| * content provider |
| */ |
| protected class TeamModelContentProvider implements IComparatorModelListener, IStructuredContentProvider { |
| @Override |
| public Object[] getElements(Object inputElement) { |
| if (inputElement instanceof Team) { |
| return ((Team) inputElement).members; |
| } |
| return new Object[0]; |
| } |
| |
| @Override |
| public void dispose() { |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| if (oldInput != null) { |
| ((Team) oldInput).removeListener(this); |
| } |
| |
| if (newInput != null) { |
| ((Team) newInput).addListener(this); |
| } |
| } |
| |
| @Override |
| public void modelChanged(ComparatorModelChange 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) { |
| fViewer.setSelection(selection); |
| } |
| if ((change.getModifiers() & TestModelChange.REVEAL) != 0) { |
| Object element = selection.getFirstElement(); |
| if (element != null) { |
| fViewer.reveal(element); |
| } |
| } |
| } |
| |
| protected void doInsert(ComparatorModelChange change) { |
| if (fViewer instanceof ListViewer) { |
| if (change.getParent() != null && change.getParent().equals(fViewer.getInput())) { |
| ((ListViewer) fViewer).add((Object[]) 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(), (Object[]) change.getChildren()); |
| } else if (fViewer instanceof ComboViewer) { |
| ((ComboViewer) fViewer).add((Object[]) change.getChildren()); |
| } else { |
| Assert.isTrue(false, "Unknown kind of viewer"); |
| } |
| } |
| |
| protected void doNonStructureChange(ComparatorModelChange change) { |
| fViewer.update(change.getParent(), new String[] { IBasicPropertyConstants.P_TEXT }); |
| } |
| |
| protected void doRemove(ComparatorModelChange change) { |
| if (fViewer instanceof ListViewer) { |
| ((ListViewer) fViewer).remove((Object[]) change.getChildren()); |
| } else if (fViewer instanceof TableViewer) { |
| ((TableViewer) fViewer).remove(change.getChildren()); |
| } else if (fViewer instanceof AbstractTreeViewer) { |
| ((AbstractTreeViewer) fViewer).remove((Object[]) change.getChildren()); |
| } else if (fViewer instanceof ComboViewer) { |
| ((ComboViewer) fViewer).remove((Object[]) change.getChildren()); |
| } else { |
| Assert.isTrue(false, "Unknown kind of viewer"); |
| } |
| } |
| |
| protected void doStructureChange(ComparatorModelChange change) { |
| fViewer.refresh(change.getParent()); |
| } |
| |
| } |
| |
| public ViewerComparatorTest(String name) { |
| super(name); |
| } |
| |
| } |