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/*******************************************************************************
* Copyright (c) 2005, 2013 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.elements.adapters;
import java.util.Arrays;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.model.IDebugElement;
import org.eclipse.debug.internal.ui.DelegatingModelPresentation;
import org.eclipse.debug.internal.ui.LazyModelPresentation;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.internal.ui.viewers.provisional.AsynchronousLabelAdapter;
import org.eclipse.debug.internal.ui.viewers.provisional.ILabelRequestMonitor;
import org.eclipse.debug.internal.ui.views.launch.DebugElementHelper;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.IDebugView;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.RGB;
/**
* Asynchronous label adapter for debug elements.
*
* @since 3.2
*/
public class AsynchronousDebugLabelAdapter extends AsynchronousLabelAdapter {
/* (non-Javadoc)
* @see org.eclipse.debug.ui.viewers.AsynchronousLabelAdapter#computeLabels(java.lang.Object, org.eclipse.debug.ui.viewers.IPresentationContext, org.eclipse.debug.ui.viewers.ILabelRequestMonitor)
*/
@Override
protected void computeLabels(Object element, IPresentationContext context, ILabelRequestMonitor monitor) {
DelegatingModelPresentation presentation = DebugElementHelper.getPresentation();
// Honor view specific settings in a debug view by copying model presentation settings
// into the debug element helper's presentation before we get the label. This allows
// for qualified name and type name settings to remain in tact.
if (element instanceof IDebugElement && context.getPart() instanceof IDebugView) {
IDebugView debugView = (IDebugView)context.getPart();
IDebugModelPresentation pres = debugView.getPresentation(((IDebugElement)element).getModelIdentifier());
Map<String, Object> settings = null;
synchronized (presentation) {
if (pres instanceof DelegatingModelPresentation) {
settings = ((DelegatingModelPresentation)pres).getAttributes();
} else if (pres instanceof LazyModelPresentation) {
settings = ((LazyModelPresentation)pres).getAttributes();
}
if (settings != null) {
for (Entry<String, Object> entry : settings.entrySet()) {
presentation.setAttribute(entry.getKey(), entry.getValue());
}
super.computeLabels(element, context, monitor);
return;
}
}
}
super.computeLabels(element, context, monitor);
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.viewers.AsynchronousLabelAdapter#getLabels(java.lang.Object, org.eclipse.debug.ui.viewers.IPresentationContext)
*/
@Override
protected String[] getLabels(Object element, IPresentationContext context) throws CoreException {
return new String[] {DebugElementHelper.getLabel(element)};
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.viewers.AsynchronousLabelAdapter#getImageDescriptors(java.lang.Object, org.eclipse.debug.ui.viewers.IPresentationContext)
*/
@Override
protected ImageDescriptor[] getImageDescriptors(Object element, IPresentationContext context) throws CoreException {
return new ImageDescriptor[] {DebugElementHelper.getImageDescriptor(element)};
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.viewers.AsynchronousLabelAdapter#getFontDatas(java.lang.Object, org.eclipse.debug.ui.viewers.IPresentationContext)
*/
@Override
protected FontData[] getFontDatas(Object element, IPresentationContext context) throws CoreException {
FontData[] datas = new FontData[getNumElements(context)];
Arrays.fill(datas, DebugElementHelper.getFont(element));
return datas;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.viewers.AsynchronousLabelAdapter#getForegrounds(java.lang.Object, org.eclipse.debug.ui.viewers.IPresentationContext)
*/
@Override
protected RGB[] getForegrounds(Object element, IPresentationContext context) throws CoreException {
RGB[] rgbs = new RGB[getNumElements(context)];
Arrays.fill(rgbs, DebugElementHelper.getForeground(element));
return rgbs;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.viewers.AsynchronousLabelAdapter#getBackgrounds(java.lang.Object, org.eclipse.debug.ui.viewers.IPresentationContext)
*/
@Override
protected RGB[] getBackgrounds(Object element, IPresentationContext context) throws CoreException {
RGB[] rgbs = new RGB[getNumElements(context)];
Arrays.fill(rgbs, DebugElementHelper.getBackground(element));
return rgbs;
}
/**
* Returns the number of columns in the given presentation context, or 1
* if there are no columns.
*
* @param context presentation context
* @return number of columns or 1 if none
*/
protected int getNumElements(IPresentationContext context) {
String[] columns = context.getColumns();
if (columns == null) {
return 1;
}
return columns.length;
}
}
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