Mercurial > projects > dwt2
view org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/provisional/viewers/ViewerLabelProvider.d @ 85:6be48cf9f95c
Work on databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 18 Apr 2009 13:54:50 +0200 |
parents | 0a55d2d5a946 |
children |
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/******************************************************************************* * Copyright (c) 2005, 2008 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 * Matthew Hall - bug 223123 *******************************************************************************/ module org.eclipse.jface.internal.databinding.provisional.viewers.ViewerLabelProvider; import java.lang.all; import java.util.ArrayList; import java.util.Collection; import java.util.List; import org.eclipse.core.databinding.util.Policy; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.IViewerLabelProvider; import org.eclipse.jface.viewers.LabelProviderChangedEvent; import org.eclipse.jface.viewers.ViewerLabel; import org.eclipse.swt.graphics.Image; /** * NON-API - Generic viewer label provider. * @since 1.1 * */ public class ViewerLabelProvider : IViewerLabelProvider, ILabelProvider { private List listeners; this(){ listeners = new ArrayList(); } /** * Subclasses should override this method. They should not call the base * class implementation. */ public void updateLabel(ViewerLabel label, Object element) { label.setText(element.toString()); } protected final void fireChangeEvent(Collection changes) { final LabelProviderChangedEvent event = new LabelProviderChangedEvent( this, changes.toArray()); ILabelProviderListener[] listenerArray = arraycast!(ILabelProviderListener)( listeners .toArray()); for (int i = 0; i < listenerArray.length; i++) { ILabelProviderListener listener = listenerArray[i]; try { listener.labelProviderChanged(event); } catch (Exception e) { Policy.getLog().log( new Status(IStatus.ERROR, Policy.JFACE_DATABINDING, e .msg, e)); } } } public final Image getImage(Object element) { ViewerLabel label = new ViewerLabel("", null); //$NON-NLS-1$ updateLabel(label, element); return label.getImage(); } public final String getText(Object element) { ViewerLabel label = new ViewerLabel("", null); //$NON-NLS-1$ updateLabel(label, element); return label.getText(); } public void addListener(ILabelProviderListener listener) { listeners.add(cast(Object)listener); } public void dispose() { listeners.clear(); } public final bool isLabelProperty(Object element, String property) { return true; } public void removeListener(ILabelProviderListener listener) { listeners.remove(cast(Object)listener); } }