| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Mylyn project committers 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 |
| *******************************************************************************/ |
| /* |
| * Created on Feb 16, 2005 |
| */ |
| package org.eclipse.cdt.mylyn.internal.ui; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.cdt.core.model.CModelException; |
| import org.eclipse.cdt.core.model.ICElement; |
| import org.eclipse.cdt.core.model.IFunction; |
| import org.eclipse.cdt.core.model.IMethod; |
| import org.eclipse.cdt.core.model.ISourceRange; |
| import org.eclipse.cdt.core.model.ISourceReference; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| 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.mylyn.commons.core.StatusHandler; |
| import org.eclipse.mylyn.context.core.AbstractContextListener; |
| import org.eclipse.mylyn.context.core.IInteractionContext; |
| import org.eclipse.mylyn.context.core.IInteractionElement; |
| import org.eclipse.mylyn.internal.context.core.ContextCorePlugin; |
| |
| /** |
| * @author Mik Kersten |
| * @author Jeff Johnston |
| */ |
| public class LandmarkMarkerManager extends AbstractContextListener { |
| |
| private static final String ID_MARKER_LANDMARK = "org.eclipse.mylyn.context.ui.markers.landmark"; // $NON-NLS-1$ |
| |
| private Map<IInteractionElement, Long> markerMap = new HashMap<IInteractionElement, Long>(); |
| |
| public LandmarkMarkerManager() { |
| super(); |
| } |
| |
| public void contextActivated(IInteractionContext taskscape) { |
| modelUpdated(); |
| } |
| |
| public void contextDeactivated(IInteractionContext taskscape) { |
| modelUpdated(); |
| } |
| |
| public void contextCleared(IInteractionContext context) { |
| modelUpdated(); |
| } |
| |
| private void modelUpdated() { |
| try { |
| for (IInteractionElement node : markerMap.keySet()) { |
| landmarkRemoved(node); |
| } |
| markerMap.clear(); |
| for (IInteractionElement node : ContextCorePlugin.getContextManager().getActiveLandmarks()) { |
| landmarkAdded(node); |
| } |
| } catch (Throwable t) { |
| StatusHandler.fail(new Status(IStatus.ERROR, CDTUIBridgePlugin.PLUGIN_ID, |
| CDTUIBridgePlugin.getResourceString("MylynCDT.landmarkUpdateFailure"), t)); // $NON-NLS-1$ |
| } |
| } |
| |
| public void interestChanged(List<IInteractionElement> nodes) { |
| // don't care when the interest changes |
| } |
| |
| public void landmarkAdded(final IInteractionElement node) { |
| if (node == null || node.getContentType() == null) |
| return; |
| if (node.getContentType().equals(CDTStructureBridge.CONTENT_TYPE)) { |
| final ICElement element = CDTStructureBridge.getElementForHandle(node.getHandleIdentifier()); |
| if (element == null || !element.exists()) |
| return; |
| if (element instanceof IMethod || element instanceof IFunction) { |
| try { |
| final ISourceRange range = ((ISourceReference) element).getSourceRange(); |
| final IResource resource = element.getUnderlyingResource(); |
| if (resource instanceof IFile) { |
| IWorkspaceRunnable runnable = new IWorkspaceRunnable() { |
| public void run(IProgressMonitor monitor) throws CoreException { |
| IMarker marker = resource.createMarker(ID_MARKER_LANDMARK); |
| if (marker != null && range != null) { |
| marker.setAttribute(IMarker.CHAR_START, range.getStartPos()); |
| marker.setAttribute(IMarker.CHAR_END, range.getStartPos() + range.getLength()); |
| marker.setAttribute(IMarker.MESSAGE, CDTUIBridgePlugin.getResourceString("MylynCDT.landmark")); // $NON-NLS-1$ |
| marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_INFO); |
| markerMap.put(node, marker.getId()); |
| } |
| } |
| }; |
| resource.getWorkspace().run(runnable, null); |
| } |
| } catch (CModelException e) { |
| StatusHandler.fail(new Status(IStatus.ERROR, CDTUIBridgePlugin.PLUGIN_ID, |
| CDTUIBridgePlugin.getResourceString("MylynCDT.markerUpdateFailure"), e)); // $NON-NLS-1$ |
| } catch (CoreException e) { |
| StatusHandler.fail(new Status(IStatus.ERROR, CDTUIBridgePlugin.PLUGIN_ID, |
| CDTUIBridgePlugin.getResourceString("MylynCDT.markerUpdateFailure"), e)); // $NON-NLS-1$ |
| } |
| } |
| } |
| } |
| |
| public void landmarkRemoved(final IInteractionElement node) { |
| if (node == null) |
| return; |
| if (node.getContentType().equals(CDTStructureBridge.CONTENT_TYPE)) { |
| ICElement element = CDTStructureBridge.getElementForHandle(node.getHandleIdentifier()); |
| if (element == null || !element.exists()) |
| return; |
| if (element.getAncestor(ICElement.C_UNIT) != null // stuff |
| // from |
| // .class |
| // files |
| && element instanceof ISourceReference) { |
| try { |
| final IResource resource = element.getUnderlyingResource(); |
| IWorkspaceRunnable runnable = new IWorkspaceRunnable() { |
| public void run(IProgressMonitor monitor) throws CoreException { |
| if (resource != null) { |
| try { |
| if (markerMap.containsKey(node)) { |
| long id = markerMap.get(node); |
| IMarker marker = resource.getMarker(id); |
| if (marker != null) |
| marker.delete(); |
| } |
| } catch (NullPointerException e) { |
| StatusHandler.log(new Status(IStatus.ERROR, CDTUIBridgePlugin.PLUGIN_ID, |
| CDTUIBridgePlugin.getResourceString("MylynCDT.log.markerUpdateFailure"), e)); // $NON-NLS-1$ |
| } |
| } |
| } |
| }; |
| resource.getWorkspace().run(runnable, null); |
| } catch (CModelException e) { |
| // ignore the Java Model errors |
| } catch (CoreException e) { |
| StatusHandler.fail(new Status(IStatus.ERROR, CDTUIBridgePlugin.PLUGIN_ID, |
| CDTUIBridgePlugin.getResourceString("MylynCDT.landmarkUpdateFailure"), e)); // $NON-NLS-1$ |
| } |
| } |
| } |
| } |
| |
| public void relationsChanged(IInteractionElement node) { |
| // don't care when the relationships changed |
| } |
| |
| public void elementDeleted(IInteractionElement node) { |
| // don't care when a node is deleted |
| } |
| } |