| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.jdt.internal.ui.viewsupport; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.StyleRange; |
| |
| import org.eclipse.jface.viewers.ColumnViewer; |
| import org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider; |
| import org.eclipse.jface.viewers.IDecorationContext; |
| import org.eclipse.jface.viewers.ILabelDecorator; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.LabelProviderChangedEvent; |
| import org.eclipse.jface.viewers.StyledString; |
| import org.eclipse.jface.viewers.ViewerColumn; |
| import org.eclipse.jface.viewers.StyledString.Styler; |
| |
| public class ColoringLabelProvider extends DecoratingStyledCellLabelProvider implements ILabelProvider { |
| |
| public static final Styler HIGHLIGHT_STYLE= StyledString.createColorRegistryStyler(null, ColoredViewersManager.HIGHLIGHT_BG_COLOR_NAME); |
| public static final Styler HIGHLIGHT_WRITE_STYLE= StyledString.createColorRegistryStyler(null, ColoredViewersManager.HIGHLIGHT_WRITE_BG_COLOR_NAME); |
| |
| public static final Styler INHERITED_STYLER= StyledString.createColorRegistryStyler(ColoredViewersManager.INHERITED_COLOR_NAME, null); |
| |
| public ColoringLabelProvider(IStyledLabelProvider labelProvider) { |
| this(labelProvider, null, null); |
| } |
| |
| public ColoringLabelProvider(IStyledLabelProvider labelProvider, ILabelDecorator decorator, IDecorationContext decorationContext) { |
| super(labelProvider, decorator, decorationContext); |
| } |
| |
| @Override |
| public void initialize(ColumnViewer viewer, ViewerColumn column) { |
| ColoredViewersManager.install(this); |
| setOwnerDrawEnabled(ColoredViewersManager.showColoredLabels()); |
| |
| super.initialize(viewer, column); |
| } |
| |
| @Override |
| public void dispose() { |
| super.dispose(); |
| ColoredViewersManager.uninstall(this); |
| } |
| |
| public void update() { |
| ColumnViewer viewer= getViewer(); |
| |
| if (viewer == null) { |
| return; |
| } |
| |
| boolean needsUpdate= false; |
| |
| boolean showColoredLabels= ColoredViewersManager.showColoredLabels(); |
| if (showColoredLabels != isOwnerDrawEnabled()) { |
| setOwnerDrawEnabled(showColoredLabels); |
| needsUpdate= true; |
| } else if (showColoredLabels) { |
| needsUpdate= true; |
| } |
| if (needsUpdate) { |
| fireLabelProviderChanged(new LabelProviderChangedEvent(this)); |
| } |
| } |
| |
| @Override |
| protected StyleRange prepareStyleRange(StyleRange styleRange, boolean applyColors) { |
| if (!applyColors && styleRange.background != null) { |
| styleRange= super.prepareStyleRange(styleRange, applyColors); |
| styleRange.borderStyle= SWT.BORDER_DOT; |
| return styleRange; |
| } |
| return super.prepareStyleRange(styleRange, applyColors); |
| } |
| |
| public String getText(Object element) { |
| return getStyledText(element).getString(); |
| } |
| |
| } |