2005-02-14 Alain Magloire

Part of 79596
	* model/org/eclipse/cdt/core/model/CoreModel.java
	* model/org/eclipse/cdt/core/model/IPathEntryContainerExtension.java
	* model/org/eclipse/cdt/core/model/IPathEntryContainerExtensionListener.java
	* model/org/eclipse/cdt/core/model/PathEntryContainerChanged.java
	* model/org/eclipse/cdt/internal/core/model/PathEntryManager.java

core/org.eclipse.cdt.core/ChangeLog

@@ -1,5 +1,13 @@
+2005-02-14 Alain Magloire
+	Part of 79596
+	* model/org/eclipse/cdt/core/model/CoreModel.java
+	* model/org/eclipse/cdt/core/model/IPathEntryContainerExtension.java
+	* model/org/eclipse/cdt/core/model/IPathEntryContainerExtensionListener.java
+	* model/org/eclipse/cdt/core/model/PathEntryContainerChanged.java
+	* model/org/eclipse/cdt/internal/core/model/PathEntryManager.java
+
 2005-02-10 Alain Magloire
-	Second of 79596
+	Second part of 79596
 	* model/org/eclipse/cdt/core/model/IPathEntryContainerExtension.java
 	* model/org/eclipse/cdt/core/model/IPathEntryContainerExtensionListener.java
 	* model/org/eclipse/cdt/core/model/PathEntryContainerChanged.java

core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/model/CoreModel.java

@@ -671,6 +671,20 @@ public class CoreModel {
 		pathEntryManager.setPathEntryContainer(affectedProjects, container, monitor);
 	}
 
+	/**
+	 * Helper method use by a pathentry container implementing <code>IPathEntryContainerExtension</code>
+	 * It notify the model of changes.
+	 * Note: the paths in the <code>PathEntryContainerChanged[]</code> array must be on
+	 * source that the container was set too.  If not the changes will be silently ignore.
+	 * 
+	 * @param container
+	 * @param changes array of changes.
+	 * @param monitor progress monitor
+	 */
+	public void pathEntryContainerUpdates(IPathEntryContainerExtension container, PathEntryContainerChanged[] changes, IProgressMonitor monitor) {
+		pathEntryManager.pathEntryContainerUpdates(container, changes, monitor);
+	}
+
 	/**
 	 * Sets the pathentries of this project using a list of entries.
 	 * <p>

core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/model/IPathEntryContainerExtension.java

@@ -38,15 +38,4 @@ public interface IPathEntryContainerExtension extends IPathEntryContainer {
 	 */
 	IMacroEntry[] getMacroEntries(IPath path);
 
-	/**
-	 * 
-	 * @param listener
-	 */
-	void addContainerListener(IPathEntryContainerExtensionListener listener);
-
-	/**
-	 * 
-	 * @param listener
-	 */
-	void removeContainerListener(IPathEntryContainerExtensionListener listener);
 }

core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/model/IPathEntryContainerExtensionListener.java

@@ -1,19 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2004 QNX Software Systems and others.
- * All rights reserved. This program and the accompanying materials 
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- * 
- * Contributors:
- *     QNX Software Systems - Initial API and implementation
- *******************************************************************************/
-
-package org.eclipse.cdt.core.model;
-
-/**
- */
-public interface IPathEntryContainerExtensionListener {
-
-	void pathEntryContainerChanged(PathEntryContainerChanged[] events);
-}

core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/model/PathEntryContainerChanged.java

@@ -11,36 +11,45 @@
 
 package org.eclipse.cdt.core.model;
 
-import java.util.EventObject;
-
 import org.eclipse.core.runtime.IPath;
 
 /**
  */
-public class PathEntryContainerChanged extends EventObject {
+public class PathEntryContainerChanged  {
 
 	/**
-	 * 
+	 * Change in the includes settings
 	 */
 	public static final int INCLUDE_CHANGED = 1;
 
 	/**
-	 * 
+	 * Change in the Macro
 	 */
 	public static final int MACRO_CHANGED = 2;
 
+	/**
+	 * Type of changes
+	 */
+	int fType;
+
+	/**
+	 * Affected file
+	 */
+	IPath fPath;
+
 	/**
 	 * Comment for <code>serialVersionUID</code>
 	 */
 	private static final long serialVersionUID = 3257565105200705590L;
 
-	int fType;
 
 	/**
+	 * 
 	 * @param source
+	 * @param type
 	 */
 	public PathEntryContainerChanged(IPath source, int type) {
-		super(source);
+		fPath = source;
 		fType = type;
 	}
 
@@ -49,7 +58,15 @@ public class PathEntryContainerChanged extends EventObject {
 	 * @return path
 	 */
 	public IPath getPath() {
-		return (IPath)getSource();
+		return fPath;
+	}
+
+	/**
+	 * Type of change.
+	 * @return
+	 */
+	public int getType() {
+		return fType;
 	}
 
 	/**

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/PathEntryManager.java

@@ -42,7 +42,6 @@ import org.eclipse.cdt.core.model.IOutputEntry;
 import org.eclipse.cdt.core.model.IPathEntry;
 import org.eclipse.cdt.core.model.IPathEntryContainer;
 import org.eclipse.cdt.core.model.IPathEntryContainerExtension;
-import org.eclipse.cdt.core.model.IPathEntryContainerExtensionListener;
 import org.eclipse.cdt.core.model.IProjectEntry;
 import org.eclipse.cdt.core.model.ISourceEntry;
 import org.eclipse.cdt.core.model.ITranslationUnit;
@@ -77,7 +76,7 @@ import org.eclipse.core.runtime.jobs.Job;
  * @author alain
  *  
  */
-public class PathEntryManager implements IPathEntryStoreListener, IElementChangedListener, IPathEntryContainerExtensionListener {
+public class PathEntryManager implements IPathEntryStoreListener, IElementChangedListener {
 
 	// PathEntry extension
 	public final static String PATHENTRY_STORE_ID = "PathEntryStore"; //$NON-NLS-1$
@@ -101,6 +100,8 @@ public class PathEntryManager implements IPathEntryStoreListener, IElementChange
 
 	static final IMacroEntry[] NO_MACROENTRIES = new IMacroEntry[0];
 
+	static final IPathEntryContainer[] NO_PATHENTRYCONTAINERS = new IPathEntryContainer[0];
+
 	// Synchronized the access of the cache entries.
 	protected Map resolvedMap = new Hashtable();
 
@@ -182,14 +183,12 @@ public class PathEntryManager implements IPathEntryStoreListener, IElementChange
 			}
 		}
 		IPathEntryContainer[] containers = getPathEntryContainers(cproject);
-		if (containers != null) {
 		for (int i = 0; i < containers.length; ++i) {
 			if (containers[i] instanceof IPathEntryContainerExtension) {
 				IIncludeEntry[] incs = ((IPathEntryContainerExtension)containers[i]).getIncludeEntries(resPath);
 				includeList.addAll(Arrays.asList(incs));
 			}
 		}
-		}
 
 		IIncludeEntry[] includes = (IIncludeEntry[]) includeList.toArray(new IIncludeEntry[includeList.size()]);
 		// Clear the list since we are reusing it.
@@ -259,14 +258,12 @@ public class PathEntryManager implements IPathEntryStoreListener, IElementChange
 			}
 		}
 		IPathEntryContainer[] containers = getPathEntryContainers(cproject);
-		if (containers != null) {
 		for (int i = 0; i < containers.length; ++i) {
 			if (containers[i] instanceof IPathEntryContainerExtension) {
 				IMacroEntry[] incs = ((IPathEntryContainerExtension)containers[i]).getMacroEntries(resPath);
 				macroList.addAll(Arrays.asList(incs));
 			}
 		}
-		}
 
 		IMacroEntry[] macros = (IMacroEntry[]) macroList.toArray(new IMacroEntry[macroList.size()]);
 		macroList.clear();
@@ -673,10 +670,12 @@ public class PathEntryManager implements IPathEntryStoreListener, IElementChange
 			}
 			containerPut(affectedProject, containerPath, newContainer);
 		}
+
 		// Nothing change.
 		if (remaining == 0) {
 			return;
 		}
+
 		// trigger model refresh
 		try {
 			//final boolean canChangeResources =
@@ -719,7 +718,7 @@ public class PathEntryManager implements IPathEntryStoreListener, IElementChange
 	}
 
 	public synchronized IPathEntryContainer[] getPathEntryContainers(ICProject cproject) {
-		IPathEntryContainer[] pcs = null;
+		IPathEntryContainer[] pcs = NO_PATHENTRYCONTAINERS;
 		Map projectContainers = (Map)Containers.get(cproject);
 		if (projectContainers != null) {
 			Collection collection = projectContainers.values();
@@ -864,18 +863,71 @@ public class PathEntryManager implements IPathEntryStoreListener, IElementChange
 				oldContainer.notifyAll();
 			}
 		}
-		if (oldContainer instanceof IPathEntryContainerExtension) {
-			((IPathEntryContainerExtension)oldContainer).removeContainerListener(this);
-		}
-		if (container instanceof IPathEntryContainerExtension) {
-			((IPathEntryContainerExtension)container).addContainerListener(this);
-		}
 	}
 
 	private synchronized void containerRemove(ICProject cproject) {
 		Containers.remove(cproject);
 	}
 
+
+	public void pathEntryContainerUpdates(IPathEntryContainerExtension container, PathEntryContainerChanged[] events, IProgressMonitor monitor) {
+		
+		ArrayList list = new ArrayList(events.length);
+		for (int i = 0; i < events.length; ++i) {
+			PathEntryContainerChanged event = events[i];
+			ICElement celement = CoreModel.getDefault().create(event.getPath());
+			if (celement != null) {
+				// Sanity check the container __must__ be set on the project.
+				boolean foundContainer = false;
+				IPathEntryContainer[] containers = getPathEntryContainers(celement.getCProject());
+				for (int k = 0 ; k < containers.length; ++k) {
+					if (containers[k].getPath().equals(container.getPath())) {
+						foundContainer = true;
+						break;
+					}
+				}
+				if (!foundContainer) {
+					continue;
+				}
+				// remove the element info caching.
+				if (celement instanceof IOpenable) {
+					try {
+						((IOpenable)celement).close();
+					} catch (CModelException e) {
+						// ignore.
+					}
+				}
+				int flag =0;
+				if (event.isIncludeChange()) {
+					flag = ICElementDelta.F_CHANGED_PATHENTRY_INCLUDE;
+				} else if (event.isMacroChange()) {
+					flag = ICElementDelta.F_CHANGED_PATHENTRY_MACRO;
+				}
+				CElementDelta delta = new CElementDelta(celement.getCModel());
+				delta.changed(celement, flag);
+				list.add(delta);
+			}
+		}
+		if (list.size() > 0) {
+			final ICElementDelta[] deltas = new ICElementDelta[list.size()];
+			list.toArray(deltas);
+			try {
+				CoreModel.run(new IWorkspaceRunnable() {
+					
+					public void run(IProgressMonitor progressMonitor) throws CoreException {
+						CModelManager manager = CModelManager.getDefault();
+						for (int i = 0; i < deltas.length; i++) {
+							manager.registerCModelDelta(deltas[i]);
+						}
+						manager.fire(ElementChangedEvent.POST_CHANGE);
+					}
+				}, monitor);
+			} catch (CoreException e) {
+				// log the error.
+			}
+		}
+	}
+
 	public String[] projectPrerequisites(IPathEntry[] entries) throws CModelException {
 		if (entries != null) {
 			ArrayList prerequisites = new ArrayList();
@@ -1413,45 +1465,6 @@ public class PathEntryManager implements IPathEntryStoreListener, IElementChange
 		return false;
 	}
 
-	/* (non-Javadoc)
-	 * @see org.eclipse.cdt.core.model.IPathEntryContainerExtensionListener#pathEntryContainerChanged(org.eclipse.cdt.core.model.PathEntryContainerChanged[])
-	 */
-	public void pathEntryContainerChanged(PathEntryContainerChanged[] events) {
-		ArrayList list = new ArrayList(events.length);
-		for (int i = 0; i < events.length; ++i) {
-			PathEntryContainerChanged event = events[i];
-			ICElement celement = CoreModel.getDefault().create(event.getPath());
-			if (celement != null) {
-				if (celement instanceof IOpenable) {
-					try {
-						((IOpenable)celement).close();
-					} catch (CModelException e) {
-						// ignore.
-					}
-				}
-				int flag =0;
-				if (event.isIncludeChange()) {
-					flag = ICElementDelta.F_CHANGED_PATHENTRY_INCLUDE;
-				} else if (event.isMacroChange()) {
-					flag = ICElementDelta.F_CHANGED_PATHENTRY_MACRO;
-				}
-				CElementDelta delta = new CElementDelta(celement.getCModel());
-				delta.changed(celement, flag);
-				list.add(delta);
-			}
-		}
-		if (list.size() > 0) {
-			ICElementDelta[] deltas = new ICElementDelta[list.size()];
-			list.toArray(deltas);
-			CModelManager manager = CModelManager.getDefault();
-			for (int i = 0; i < deltas.length; i++) {
-				manager.registerCModelDelta(deltas[i]);
-			}
-			manager.fire(ElementChangedEvent.POST_CHANGE);
-		}
-
-	}
-
 	protected IPathEntry cloneEntry(IPath rpath, IPathEntry entry) {
 
 		// get the path