| /******************************************************************************* |
| * Copyright (c) 2012 NumberFour AG |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * NumberFour AG - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.javascript.ui.typeinfo; |
| |
| import org.eclipse.dltk.ast.Modifiers; |
| import org.eclipse.dltk.javascript.typeinfo.model.Element; |
| import org.eclipse.dltk.javascript.typeinfo.model.Member; |
| import org.eclipse.dltk.javascript.typeinfo.model.Method; |
| import org.eclipse.dltk.javascript.typeinfo.model.Property; |
| import org.eclipse.dltk.javascript.typeinfo.model.Type; |
| import org.eclipse.dltk.javascript.ui.typeinfo.IElementLabelProvider.Mode; |
| import org.eclipse.dltk.ui.ScriptElementImageDescriptor; |
| import org.eclipse.dltk.ui.ScriptElementImageProvider; |
| import org.eclipse.dltk.ui.viewsupport.ImageDescriptorRegistry; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * {@link ILabelProvider} implementation for {@link Element}s, supporting |
| * delegation to the contributed {@link IElementLabelProvider}s. |
| */ |
| public final class ElementLabelProvider extends LabelProvider { |
| |
| private final ImageDescriptorRegistry registry = new ImageDescriptorRegistry( |
| false); |
| |
| @Override |
| public String getText(Object element) { |
| if (element instanceof Element) { |
| final Element el = (Element) element; |
| final String label = ElementLabelProviderRegistry.getLabel(el, |
| Mode.TITLE); |
| if (label != null) { |
| return label; |
| } |
| return el.getName(); |
| } |
| return super.getText(element); |
| } |
| |
| @Override |
| public Image getImage(Object element) { |
| if (element instanceof Element) { |
| final Element el = (Element) element; |
| final ImageDescriptor descriptor = ElementLabelProviderRegistry |
| .getImageDescriptor(el); |
| if (descriptor != null) { |
| return registry.get(descriptor); |
| } |
| final ImageDescriptor desc; |
| if (element instanceof Type) { |
| desc = ScriptElementImageProvider.getTypeImageDescriptor( |
| Modifiers.AccDefault, false); |
| } else if (element instanceof Member) { |
| final int flags = ((Member) element).getVisibility().getFlags(); |
| if (element instanceof Property) { |
| desc = ScriptElementImageProvider |
| .getFieldImageDescriptor(flags); |
| } else { |
| assert element instanceof Method; |
| desc = ScriptElementImageProvider |
| .getMethodImageDescriptor(flags); |
| } |
| } else { |
| desc = ImageDescriptor.getMissingImageDescriptor(); |
| } |
| return registry.get(decorateImageDescriptor(desc, el)); |
| } |
| return super.getImage(element); |
| } |
| |
| protected ImageDescriptor decorateImageDescriptor( |
| ImageDescriptor descriptor, Element element) { |
| if (element.isDeprecated()) { |
| return new ScriptElementImageDescriptor(descriptor, |
| ScriptElementImageDescriptor.DEPRECATED, |
| ScriptElementImageProvider.SMALL_SIZE); |
| } else if (element instanceof Member && ((Member) element).isStatic()) { |
| return new ScriptElementImageDescriptor(descriptor, |
| ScriptElementImageDescriptor.STATIC, |
| ScriptElementImageProvider.SMALL_SIZE); |
| } else { |
| return descriptor; |
| } |
| } |
| |
| @Override |
| public void dispose() { |
| registry.dispose(); |
| super.dispose(); |
| } |
| } |