| /******************************************************************************* |
| * Copyright (c) 2011 Tasktop Technologies. |
| * 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.sandbox.search.ui; |
| |
| import org.eclipse.jface.preference.JFacePreferences; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.jface.viewers.ColumnViewer; |
| import org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider; |
| import org.eclipse.jface.viewers.ViewerColumn; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IWorkbenchPreferenceConstants; |
| import org.eclipse.ui.PlatformUI; |
| |
| public class DesktopSearchLabelProvider extends DecoratingStyledCellLabelProvider implements IPropertyChangeListener { |
| |
| public DesktopSearchLabelProvider(IStyledLabelProvider labelProvider) { |
| super(labelProvider, PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator(), null); |
| } |
| |
| @Override |
| public void initialize(ColumnViewer viewer, ViewerColumn column) { |
| registerListeners(); |
| setOwnerDrawEnabled(coloredLabels()); |
| super.initialize(viewer, column); |
| } |
| |
| private void registerListeners() { |
| PlatformUI.getPreferenceStore().addPropertyChangeListener(this); |
| JFaceResources.getColorRegistry().addListener(this); |
| } |
| |
| private void deregisterListeners() { |
| JFaceResources.getColorRegistry().removeListener(this); |
| PlatformUI.getPreferenceStore().removePropertyChangeListener(this); |
| } |
| |
| @Override |
| public void dispose() { |
| deregisterListeners(); |
| super.dispose(); |
| } |
| |
| private boolean coloredLabels() { |
| return PlatformUI.getPreferenceStore().getBoolean(IWorkbenchPreferenceConstants.USE_COLORED_LABELS); |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| final String property = event.getProperty(); |
| if (property.equals(JFacePreferences.QUALIFIER_COLOR) || property.equals(JFacePreferences.DECORATIONS_COLOR) |
| || property.equals(IWorkbenchPreferenceConstants.USE_COLORED_LABELS)) { |
| if (getViewer() == null || getViewer().getControl().isDisposed()) { |
| return; |
| } |
| Display display = getViewer().getControl().getDisplay(); |
| display.asyncExec(new Runnable() { |
| public void run() { |
| refresh(); |
| } |
| }); |
| } |
| } |
| |
| protected void refresh() { |
| ColumnViewer viewer = getViewer(); |
| if (viewer != null && !viewer.getControl().isDisposed()) { |
| setOwnerDrawEnabled(coloredLabels()); |
| viewer.refresh(); |
| } |
| } |
| } |