diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/provisional/AsynchronousLabelAdapter.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/provisional/AsynchronousLabelAdapter.java | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/provisional/AsynchronousLabelAdapter.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/provisional/AsynchronousLabelAdapter.java deleted file mode 100644 index c2377e093..000000000 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/provisional/AsynchronousLabelAdapter.java +++ /dev/null @@ -1,171 +0,0 @@ -/******************************************************************************* - * 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 - *******************************************************************************/ - -package org.eclipse.debug.internal.ui.viewers.provisional; - -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Status; -import org.eclipse.core.runtime.jobs.ISchedulingRule; -import org.eclipse.core.runtime.jobs.Job; -import org.eclipse.debug.internal.ui.viewers.AsynchronousSchedulingRuleFactory; -import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; -import org.eclipse.debug.internal.ui.views.launch.DebugElementHelper; -import org.eclipse.jface.resource.ImageDescriptor; -import org.eclipse.swt.graphics.FontData; -import org.eclipse.swt.graphics.RGB; -import org.eclipse.ui.progress.UIJob; - -/** - * Abstract implementation of an asynchronous label adapter - * <p> - * Clients may subclass this class. - * </p> - * @since 3.2 - */ -public abstract class AsynchronousLabelAdapter implements IAsynchronousLabelAdapter { - - /* (non-Javadoc) - * @see org.eclipse.debug.ui.viewers.IAsynchronousLabelAdapter#retrieveLabel(java.lang.Object, org.eclipse.debug.ui.viewers.IPresentationContext, org.eclipse.debug.ui.viewers.ILabelRequestMonitor) - */ - public void retrieveLabel(final Object element, final IPresentationContext context, final ILabelRequestMonitor result) { - Job job = null; - if (requiresUIJob(element)) { - job = new UIJob("Retrieving labels") { //$NON-NLS-1$ - public IStatus runInUIThread(IProgressMonitor monitor) { - computeLabels(element, context, result); - return Status.OK_STATUS; - } - }; - } else { - job = new Job("Retrieving labels") { //$NON-NLS-1$ - protected IStatus run(IProgressMonitor monitor) { - computeLabels(element, context, result); - return Status.OK_STATUS; - } - }; - } - job.setSystem(true); - job.setRule(getLabelRule(element, context)); - job.schedule(); - } - - /** - * Returns the scheduling rule for label jobs. - * - * @param element - * @param context - * @return scheduling rule or <code>null</code> - */ - protected ISchedulingRule getLabelRule(Object element, IPresentationContext context) { - return AsynchronousSchedulingRuleFactory.getDefault().newSerialPerObjectRule(context); - } - - /** - * Returns whether this label adapter requires to be run in the UI thread. - * By default, label jobs are not run in the UI thread. Subclasses should - * override if required. - * - * @return whether this label adapter requires to be run in the UI thread. - */ - protected boolean requiresUIJob(Object object) { - return !DebugElementHelper.requiresUIThread(object); - } - - /** - * Computes label attributes for the given element in the specified context. - * - * @param element element to compute label for - * @param context presentation context - * @param result monitor to report results to - */ - protected void computeLabels(Object element, IPresentationContext context, ILabelRequestMonitor monitor) { - if (!monitor.isCanceled()) { - IStatus status = Status.OK_STATUS; - try { - monitor.setLabels(getLabels(element, context)); - if (!monitor.isCanceled()) { - monitor.setImageDescriptors(getImageDescriptors(element, context)); - } - if (!monitor.isCanceled()) { - monitor.setFontDatas(getFontDatas(element, context)); - } - if (!monitor.isCanceled()) { - monitor.setBackgrounds(getBackgrounds(element, context)); - } - if (!monitor.isCanceled()) { - monitor.setForegrounds(getForegrounds(element, context)); - } - } catch (CoreException e) { - status = e.getStatus(); - } - if (!monitor.isCanceled()) { - monitor.setStatus(status); - monitor.done(); - } - } - } - - /** - * Returns a label for the give element in the specified context. - * - * @param element element to compute label for - * @param context presentation context - * @return label - * @exception CoreException if an exception occurs computing label - */ - protected abstract String[] getLabels(Object element, IPresentationContext context) throws CoreException; - - /** - * Returns an image descriptor for the given element in the specified context - * or <code>null</code>. - * - * @param element element to compute image descriptor for - * @param context presentation context - * @return image descriptor or <code>null</code> - * @throws CoreException if an exception occurs computing image descriptor - */ - protected abstract ImageDescriptor[] getImageDescriptors(Object element, IPresentationContext context) throws CoreException; - - /** - * Returns font data for the given element in the specified context or <code>null</code> - * to use the default font. - * - * @param element element to compute font data for - * @param context presentation context - * @return font data or <code>null</code> - * @throws CoreException if an exception occurs computing font data - */ - protected abstract FontData[] getFontDatas(Object element, IPresentationContext context) throws CoreException; - - /** - * Returns a foreground color for the given element in the specified context or <code>null</code> - * to use the default color. - * - * @param element element to compute color for - * @param context presentation context - * @return color or <code>null</code> - * @throws CoreException if an exception occurs computing color - */ - protected abstract RGB[] getForegrounds(Object element, IPresentationContext context) throws CoreException; - - /** - * Returns a background color for the given element in the specified context or <code>null</code> - * to use the default color. - * - * @param element element to compute color for - * @param context presentation context - * @return color or <code>null</code> - * @throws CoreException if an exception occurs computing color - */ - protected abstract RGB[] getBackgrounds(Object element, IPresentationContext context) throws CoreException; -} |