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/*****************************************************************
* Copyright (c) 2009, 2011 Texas Instruments 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:
* Patrick Chuong (Texas Instruments) - Initial API and implementation (Bug 238956)
*****************************************************************/
package org.eclipse.debug.internal.ui.model.elements;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.internal.ui.CompositeDebugImageDescriptor;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.breakpoints.provisional.IBreakpointContainer;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.ui.model.IWorkbenchAdapter2;
/**
* Breakpoint container label provider.
*
* @since 3.6
*/
public class BreakpointContainerLabelProvider extends DebugElementLabelProvider {
@Override
protected ImageDescriptor getImageDescriptor(TreePath elementPath, IPresentationContext presentationContext, String columnId) throws CoreException {
ImageDescriptor desc = super.getImageDescriptor(elementPath, presentationContext, columnId);
int flags = computeAdornmentFlags();
if (flags > 0) {
Image image = DebugUIPlugin.getImageDescriptorRegistry().get(desc);
CompositeDebugImageDescriptor compDesc = new CompositeDebugImageDescriptor(image, flags);
return compDesc;
}
return desc;
}
@Override
public boolean getChecked(TreePath path, IPresentationContext presentationContext) throws CoreException {
Object lastSegment = path.getLastSegment();
if (lastSegment instanceof IBreakpointContainer) {
IBreakpointContainer container = (IBreakpointContainer) lastSegment;
for (IBreakpoint breakpoint : container.getBreakpoints()) {
if (breakpoint.isEnabled()) {
return true;
}
}
return false;
}
return super.getChecked(path, presentationContext);
}
@Override
public boolean getGrayed(TreePath path, IPresentationContext presentationContext) throws CoreException {
Object lastSegment = path.getLastSegment();
if (lastSegment instanceof IBreakpointContainer) {
IBreakpointContainer container = (IBreakpointContainer) lastSegment;
// Return true, gray if some breakpoints are enabled and some are disabled.
// return false if all breakpoints are either disabled or all are enabled.
boolean hasEnabled = false;
boolean hasDisabled = false;
for (IBreakpoint breakpoint : container.getBreakpoints()) {
if (breakpoint.isEnabled()) {
hasEnabled = true;
} else {
hasDisabled = true;
}
if (hasEnabled && hasDisabled) {
return true;
}
}
return false;
}
return super.getGrayed(path, presentationContext);
}
// Forward font data requests to the workbench adapter
@Override
protected FontData getFontData(TreePath elementPath, IPresentationContext presentationContext, String columnId) throws CoreException {
Object element = elementPath.getLastSegment();
FontData fontData = super.getFontData(elementPath, presentationContext, columnId);
if (fontData == null && element instanceof IAdaptable) {
IWorkbenchAdapter2 adapter = ((IAdaptable)element).getAdapter(IWorkbenchAdapter2.class);
if (adapter != null) {
fontData = adapter.getFont(element);
}
}
return fontData;
}
// Forward foreground color requests to the workbench adapter
@Override
protected RGB getForeground(TreePath elementPath, IPresentationContext presentationContext, String columnId) throws CoreException {
Object element = elementPath.getLastSegment();
RGB rgb = super.getForeground(elementPath, presentationContext, columnId);
if (rgb == null && element instanceof IAdaptable) {
IWorkbenchAdapter2 adapter = ((IAdaptable)element).getAdapter(IWorkbenchAdapter2.class);
if (adapter != null) {
rgb = adapter.getForeground(element);
}
}
return rgb;
}
// Forward background color requests to the workbench adapter
@Override
protected RGB getBackground(TreePath elementPath, IPresentationContext presentationContext, String columnId) throws CoreException {
Object element = elementPath.getLastSegment();
RGB rgb = super.getBackground(elementPath, presentationContext, columnId);
if (rgb == null && element instanceof IAdaptable) {
IWorkbenchAdapter2 adapter = ((IAdaptable)element).getAdapter(IWorkbenchAdapter2.class);
if (adapter != null) {
rgb = adapter.getBackground(element);
}
}
return rgb;
}
/**
* Computes and return common adornment flags for the given category.
*
* @return adornment flags defined in CompositeDebugImageDescriptor
*/
private int computeAdornmentFlags() {
if (!DebugPlugin.getDefault().getBreakpointManager().isEnabled()) {
return CompositeDebugImageDescriptor.SKIP_BREAKPOINT;
}
return 0;
}
}
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