| /******************************************************************************* |
| * Copyright (c) 2011 Google, Inc. |
| * 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: |
| * Google, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wb.internal.core.model.property.editor; |
| |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.wb.internal.core.model.property.Property; |
| import org.eclipse.wb.internal.core.model.property.table.PropertyTable; |
| import org.eclipse.wb.internal.core.model.property.table.PropertyTooltipProvider; |
| import org.eclipse.wb.internal.core.utils.ui.DrawUtils; |
| |
| /** |
| * Abstract {@link PropertyEditor} for displaying text as {@link Property} value in |
| * {@link PropertyTable}. |
| * |
| * @author scheglov_ke |
| * @coverage core.model.property.editor |
| */ |
| public abstract class TextDisplayPropertyEditor extends PropertyEditor { |
| //////////////////////////////////////////////////////////////////////////// |
| // |
| // Presentation |
| // |
| //////////////////////////////////////////////////////////////////////////// |
| @Override |
| public void paint(Property property, GC gc, int x, int y, int width, int height) throws Exception { |
| String text = getText(property); |
| if (text != null) { |
| DrawUtils.drawStringCV(gc, text, x, y, width, height); |
| } |
| } |
| |
| /** |
| * @return the text for displaying value of given {@link Property} or <code>null</code> if value |
| * of {@link Property} is unknown. |
| */ |
| protected abstract String getText(Property property) throws Exception; |
| |
| //////////////////////////////////////////////////////////////////////////// |
| // |
| // IAdaptable |
| // |
| //////////////////////////////////////////////////////////////////////////// |
| @Override |
| public <T> T getAdapter(Class<T> adapter) { |
| // tooltip for value text |
| if (adapter == PropertyTooltipProvider.class) { |
| return adapter.cast(createPropertyTooltipProvider()); |
| } |
| return super.getAdapter(adapter); |
| } |
| |
| /** |
| * @return the {@link PropertyTooltipProvider} to display value tooltip. |
| */ |
| protected PropertyTooltipProvider createPropertyTooltipProvider() { |
| return null; |
| } |
| } |