| /******************************************************************************* |
| * Copyright (c) 2010, 2015 BestSolution.at 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: |
| * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation |
| * Simon Scholz <simon.scholz@vogella.com> - Bug 475365 |
| ******************************************************************************/ |
| package org.eclipse.e4.tools.emf.ui.internal.common; |
| |
| import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor; |
| import org.eclipse.e4.tools.emf.ui.internal.Messages; |
| import org.eclipse.e4.ui.model.application.ui.MUIElement; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jface.resource.FontDescriptor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.resource.LocalResourceManager; |
| import org.eclipse.jface.resource.ResourceManager; |
| import org.eclipse.jface.viewers.BaseLabelProvider; |
| import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider; |
| import org.eclipse.jface.viewers.IFontProvider; |
| import org.eclipse.jface.viewers.StyledString; |
| import org.eclipse.jface.viewers.StyledString.Styler; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.TextStyle; |
| |
| public class ComponentLabelProvider extends BaseLabelProvider implements IStyledLabelProvider, IFontProvider { |
| |
| private final ModelEditor editor; |
| |
| public static final String NOT_RENDERED_KEY = "NOT_RENDERED_STYLER";//$NON-NLS-1$ |
| |
| public static final String NOT_VISIBLE_KEY = "NOT_VISIBLE_KEY";//$NON-NLS-1$ |
| |
| public static final String NOT_VISIBLE_AND_RENDERED_KEY = "NOT_VISIBLE_AND_RENDERED_KEY";//$NON-NLS-1$ |
| |
| private final FontDescriptor italicFontDescriptor; |
| |
| private final Messages Messages; |
| |
| private static Styler BOTH_STYLER = new Styler() { |
| @Override |
| public void applyStyles(TextStyle textStyle) { |
| textStyle.foreground = JFaceResources.getColorRegistry().get(NOT_VISIBLE_AND_RENDERED_KEY); |
| textStyle.strikeout = true; |
| } |
| }; |
| |
| private static Styler NOT_RENDERED_STYLER = new Styler() { |
| @Override |
| public void applyStyles(TextStyle textStyle) { |
| textStyle.foreground = JFaceResources.getColorRegistry().get(NOT_RENDERED_KEY); |
| textStyle.strikeout = true; |
| } |
| }; |
| |
| private static Styler NOT_VISIBLE_STYLER = new Styler() { |
| @Override |
| public void applyStyles(TextStyle textStyle) { |
| textStyle.foreground = JFaceResources.getColorRegistry().get(NOT_VISIBLE_KEY); |
| } |
| }; |
| |
| private final ResourceManager resourceManager; |
| |
| public ComponentLabelProvider(ModelEditor editor, Messages Messages, FontDescriptor italicFontDescriptor) { |
| this.editor = editor; |
| this.Messages = Messages; |
| this.italicFontDescriptor = italicFontDescriptor; |
| resourceManager = new LocalResourceManager(JFaceResources.getResources()); |
| } |
| |
| @Override |
| public void dispose() { |
| if (resourceManager != null) { |
| resourceManager.dispose(); |
| } |
| super.dispose(); |
| } |
| |
| @Override |
| public StyledString getStyledText(Object element) { |
| if (element instanceof EObject) { |
| |
| final EObject o = (EObject) element; |
| final AbstractComponentEditor<?> elementEditor = editor.getEditor(o.eClass()); |
| if (elementEditor != null) { |
| String label = elementEditor.getLabel(o); |
| final String detailText = elementEditor.getDetailLabel(o); |
| Styler styler = null; |
| |
| if (o instanceof MUIElement) { |
| |
| if (!((MUIElement) o).isVisible() && !((MUIElement) o).isToBeRendered()) { |
| label += "<" + Messages.ComponentLabelProvider_invisible + "/" //$NON-NLS-1$//$NON-NLS-2$ |
| + Messages.ComponentLabelProvider_notrendered + ">"; //$NON-NLS-1$ |
| styler = BOTH_STYLER; |
| } else if (!((MUIElement) o).isVisible()) { |
| label += "<" + Messages.ComponentLabelProvider_invisible + ">"; //$NON-NLS-1$//$NON-NLS-2$ |
| styler = NOT_VISIBLE_STYLER; |
| } else if (!((MUIElement) o).isToBeRendered()) { |
| label += "<" + Messages.ComponentLabelProvider_notrendered + ">"; //$NON-NLS-1$ //$NON-NLS-2$ |
| styler = NOT_RENDERED_STYLER; |
| } |
| } |
| |
| if (detailText == null) { |
| return new StyledString(label, styler); |
| } |
| final StyledString styledString = new StyledString(label, styler); |
| styledString.append(" - " + detailText, StyledString.DECORATIONS_STYLER); //$NON-NLS-1$ |
| return styledString; |
| } |
| } |
| return new StyledString(element.toString()); |
| } |
| |
| @Override |
| public Image getImage(Object element) { |
| if (element instanceof EObject) { |
| final EObject o = (EObject) element; |
| final AbstractComponentEditor<?> elementEditor = editor.getEditor(o.eClass()); |
| if (elementEditor != null) { |
| return elementEditor.getImage(element); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Font getFont(Object element) { |
| if (element instanceof VirtualEntry) { |
| return resourceManager.createFont(italicFontDescriptor); |
| } |
| return null; |
| } |
| } |