diff options
Diffstat (limited to 'bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/ResourceDeltaVisitor.java')
| -rw-r--r-- | bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/ResourceDeltaVisitor.java | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/ResourceDeltaVisitor.java b/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/ResourceDeltaVisitor.java new file mode 100644 index 000000000..b0900ceff --- /dev/null +++ b/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/util/ResourceDeltaVisitor.java @@ -0,0 +1,144 @@ +package org.eclipse.team.internal.ccvs.core.util;
+
+/*
+ * (c) Copyright IBM Corp. 2000, 2001.
+ * All Rights Reserved.
+ */
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.team.core.ITeamProvider;
+import org.eclipse.team.core.TeamPlugin;
+import org.eclipse.team.internal.ccvs.core.Policy;
+import org.eclipse.team.ccvs.core.CVSTeamProvider;
+
+public class ResourceDeltaVisitor implements IResourceDeltaVisitor {
+
+ private static IResourceChangeListener listener;
+ private static ResourceDeltaVisitor visitor;
+
+ private Map removals;
+ private Map additions;
+
+ public static ResourceDeltaVisitor register() {
+ if (visitor == null)
+ visitor = new ResourceDeltaVisitor();
+ if (listener == null)
+ listener = new IResourceChangeListener() {
+ public void resourceChanged(IResourceChangeEvent event) {
+ try {
+ IResourceDelta root = event.getDelta();
+ IResourceDelta[] projectDeltas = root.getAffectedChildren();
+ for (int i = 0; i < projectDeltas.length; i++) {
+ IResourceDelta delta = projectDeltas[i];
+ IResource resource = delta.getResource();
+ ITeamProvider provider = TeamPlugin.getManager().getProvider(resource);
+ if (provider instanceof CVSTeamProvider)
+ delta.accept(visitor);
+ }
+ visitor.handleChanges();
+ } catch (CoreException e) {
+ Util.logError(Policy.bind("ResourceDeltaVisitor.visitError"), e);
+ }
+ }
+ };
+ ResourcesPlugin.getWorkspace().addResourceChangeListener(listener, IResourceChangeEvent.POST_CHANGE);
+ return visitor;
+ }
+
+ public static void deregister() {
+ ResourcesPlugin.getWorkspace().removeResourceChangeListener(listener);
+ }
+
+ public ResourceDeltaVisitor() {
+ this.additions = new HashMap();
+ this.removals = new HashMap();
+ }
+
+ /**
+ * @see IResourceDeltaVisitor#visit(IResourceDelta)
+ */
+ public boolean visit(IResourceDelta delta) throws CoreException {
+ IResource resource = delta.getResource();
+ IProject project = resource.getProject();
+ switch (delta.getKind()) {
+ case IResourceDelta.ADDED :
+ addAddition(project, resource);
+ break;
+ case IResourceDelta.REMOVED :
+ // Only record files as there's nothing we can do about folders
+ addRemoval(project, resource);
+ break;
+ case IResourceDelta.CHANGED :
+ if ((delta.getFlags() & IResourceDelta.MOVED_TO) > 0)
+ addAddition(project, project.getFile(delta.getMovedToPath()));
+ if ((delta.getFlags() & IResourceDelta.MOVED_FROM) > 0)
+ addRemoval(project, project.getFile(delta.getMovedFromPath()));
+ break;
+ }
+ return true;
+ }
+
+ private void addAddition(IProject project, IResource resource) {
+ List additions = (List)this.additions.get(project);
+ if (additions == null) {
+ additions = new ArrayList();
+ this.additions.put(project, additions);
+ }
+ additions.add(resource);
+ }
+
+ private void addRemoval(IProject project, IResource resource) {
+ // Only record files as there's nothing we can do about folders
+ if (resource.getType() != IResource.FILE)
+ return;
+ List removals = (List)this.removals.get(project);
+ if (removals == null) {
+ removals = new ArrayList();
+ this.removals.put(project, removals);
+ }
+ removals.add(resource);
+ }
+
+ private void handleChanges() {
+ // Start by printing out the changes
+ //System.out.println("Resources added");
+ Iterator i = additions.keySet().iterator();
+ while (i.hasNext()) {
+ IProject project = (IProject)i.next();
+ ITeamProvider provider = TeamPlugin.getManager().getProvider(project);
+ Iterator j = ((List)additions.get(project)).iterator();
+ while (j.hasNext()) {
+ IResource resource = (IResource)j.next();
+ //System.out.println(resource.toString());
+ }
+ }
+ additions.clear();
+
+ //System.out.println("Resources removed");
+ i = removals.keySet().iterator();
+ while (i.hasNext()) {
+ IProject project = (IProject)i.next();
+ ITeamProvider provider = TeamPlugin.getManager().getProvider(project);
+ Iterator j = ((List)removals.get(project)).iterator();
+ while (j.hasNext()) {
+ IResource resource = (IResource)j.next();
+ //System.out.println(resource.toString());
+ }
+ }
+ removals.clear();
+ }
+}
+
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