| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.jsdt.astview.views; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Display; |
| |
| import org.eclipse.jface.viewers.IColorProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.LabelProviderChangedEvent; |
| |
| import org.eclipse.wst.jsdt.core.Signature; |
| import org.eclipse.wst.jsdt.core.dom.ASTNode; |
| |
| public class TrayLabelProvider extends LabelProvider implements IColorProvider { |
| |
| private Color fBlue, fRed; |
| private Color fWidgetForeground; |
| |
| private Object fViewerElement; |
| |
| public TrayLabelProvider() { |
| Display display= Display.getCurrent(); |
| |
| fRed= display.getSystemColor(SWT.COLOR_RED); |
| fBlue= display.getSystemColor(SWT.COLOR_DARK_BLUE); |
| fWidgetForeground= display.getSystemColor(SWT.COLOR_WIDGET_FOREGROUND); |
| } |
| |
| public void setViewerElement(Object viewerElement) { |
| if (fViewerElement != viewerElement) { |
| fViewerElement= viewerElement; |
| fireLabelProviderChanged(new LabelProviderChangedEvent(this)); |
| } |
| } |
| |
| public String getText(Object obj) { |
| if (obj instanceof DynamicBindingProperty) { |
| DynamicBindingProperty dynamicBindingProperty= (DynamicBindingProperty) obj; |
| dynamicBindingProperty.setViewerElement(fViewerElement instanceof Binding ? (Binding) fViewerElement : null); |
| return dynamicBindingProperty.getLabel(); |
| } else if (obj instanceof DynamicAttributeProperty) { |
| DynamicAttributeProperty dynamicAttributeProperty= (DynamicAttributeProperty) obj; |
| dynamicAttributeProperty.setViewerElement(fViewerElement); |
| return dynamicAttributeProperty.getLabel(); |
| } else if (obj instanceof ASTAttribute) { |
| return ((ASTAttribute) obj).getLabel(); |
| } else if (obj instanceof ASTNode) { |
| return Signature.getSimpleName(((ASTNode) obj).getClass().getName()); |
| } else { |
| return ""; // https://bugs.eclipse.org/bugs/show_bug.cgi?id=126017 |
| } |
| } |
| |
| public Image getImage(Object obj) { |
| if (obj instanceof DynamicBindingProperty) { |
| DynamicBindingProperty dynamicBindingProperty= (DynamicBindingProperty) obj; |
| dynamicBindingProperty.setViewerElement(fViewerElement instanceof Binding ? (Binding) fViewerElement : null); |
| return dynamicBindingProperty.getImage(); |
| } else if (obj instanceof DynamicAttributeProperty) { |
| DynamicAttributeProperty dynamicAttributeProperty= (DynamicAttributeProperty) obj; |
| dynamicAttributeProperty.setViewerElement(fViewerElement); |
| return dynamicAttributeProperty.getImage(); |
| } else if (obj instanceof ASTAttribute) { |
| return ((ASTAttribute) obj).getImage(); |
| } else { |
| return null; |
| } |
| } |
| |
| /* |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() |
| */ |
| public void dispose() { |
| super.dispose(); |
| fViewerElement= null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object) |
| */ |
| public Color getForeground(Object element) { |
| if (element instanceof Binding) { |
| return fBlue; |
| |
| } else if (element instanceof ExceptionAttribute) { |
| if (element instanceof DynamicBindingProperty) { |
| ((DynamicBindingProperty) element).setViewerElement(fViewerElement instanceof Binding ? (Binding) fViewerElement : null); |
| } else if (element instanceof DynamicAttributeProperty) { |
| ((DynamicAttributeProperty) element).setViewerElement(fViewerElement); |
| } |
| |
| if (((ExceptionAttribute) element).getException() == null) |
| // return null; //Bug 75022: Does not work when label is updated (retains old color, doesn't get default) |
| //TODO remove hackaround when bug 75022 is fixed |
| return fWidgetForeground; |
| else |
| return fRed; |
| |
| } else { |
| return null; // normal color |
| } |
| } |
| |
| /* |
| * @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object) |
| */ |
| public Color getBackground(Object element) { |
| return null; |
| } |
| |
| } |