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/*******************************************************************************
* Copyright (c) 2005, 2006 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.viewers;
import org.eclipse.debug.internal.ui.viewers.provisional.ILabelRequestMonitor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Widget;
/**
* Implementation of an <code>ILabelRequestMonitor</code>. Collects label
* attributes from an asynchronous label adapter.
* <p>
* Not intended to be subclassed or instantiated by clients. For use speficially
* with <code>AsynchronousViewer</code>.
* </p>
*
* @since 3.2
*/
class LabelRequestMonitor extends AsynchronousRequestMonitor implements ILabelRequestMonitor {
/**
* Retrieved label text. Only <code>null</code> if cancelled or failed.
*/
private String[] fLabels;
/**
* Retrieved image descriptor or <code>null</code>
*/
private ImageDescriptor[] fImageDescriptors;
/**
* Retrieved font data or <code>null</code>
*/
private FontData[] fFontDatas;
/**
* Retieved colors or <code>null</code>
*/
private RGB[] fForegrounds;
private RGB[] fBackgrounds;
/**
* Cosntructs a request to upate the label of the given node in the give
* model.
*
* @param node node to update
* @param model model containing the node
*/
public LabelRequestMonitor(ModelNode node, AsynchronousModel model) {
super(node, model);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.debug.ui.viewers.AsynchronousRequestMonitor#performUpdate()
*/
@Override
protected void performUpdate() {
AsynchronousViewer viewer = getModel().getViewer();
Widget widget = viewer.findItem(getNode());
if (widget != null && !widget.isDisposed()) {
viewer.setLabels(widget, fLabels, fImageDescriptors);
viewer.setColors(widget, fForegrounds, fBackgrounds);
viewer.setFonts(widget, fFontDatas);
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.debug.ui.viewers.AsynchronousRequestMonitor#contains(org.eclipse.debug.ui.viewers.AsynchronousRequestMonitor)
*/
@Override
protected boolean contains(AsynchronousRequestMonitor update) {
return update instanceof LabelRequestMonitor && update.getNode() == getNode();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.debug.ui.viewers.ILabelRequestMonitor#setLabel(java.lang.String)
*/
@Override
public void setLabels(String[] text) {
fLabels = text;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.debug.ui.viewers.ILabelRequestMonitor#setFontData(org.eclipse.swt.graphics.FontData)
*/
@Override
public void setFontDatas(FontData[] fontData) {
fFontDatas = fontData;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.debug.ui.viewers.ILabelRequestMonitor#setImageDescriptor(org.eclipse.jface.resource.ImageDescriptor)
*/
@Override
public void setImageDescriptors(ImageDescriptor[] image) {
fImageDescriptors = image;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.debug.ui.viewers.ILabelRequestMonitor#setForeground(org.eclipse.swt.graphics.RGB)
*/
@Override
public void setForegrounds(RGB[] foreground) {
fForegrounds = foreground;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.debug.ui.viewers.ILabelRequestMonitor#setBackground(org.eclipse.swt.graphics.RGB)
*/
@Override
public void setBackgrounds(RGB[] background) {
fBackgrounds = background;
}
protected RGB[] getBackgrounds() {
return fBackgrounds;
}
protected RGB[] getForegrounds() {
return fForegrounds;
}
protected FontData[] getFontDatas() {
return fFontDatas;
}
protected String[] getLabels() {
return fLabels;
}
protected ImageDescriptor[] getImageDescriptors() {
return fImageDescriptors;
}
}
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