--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation 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:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package net.sourceforge.phpeclipse.phpeditor;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.ui.IWorkingCopyManager;
+import net.sourceforge.phpdt.ui.IWorkingCopyManagerExtension;
+
+import org.eclipse.core.runtime.CoreException;
+//incastrix
+//import org.eclipse.jface.text.Assert;
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.ui.IEditorInput;
+
+/**
+ * This working copy manager works together with a given compilation unit
+ * document provider and additionally offers to "overwrite" the working copy
+ * provided by this document provider.
+ */
+public class WorkingCopyManager implements IWorkingCopyManager,
+ IWorkingCopyManagerExtension {
+
+ private ICompilationUnitDocumentProvider fDocumentProvider;
+
+ private Map fMap;
+
+ private boolean fIsShuttingDown;
+
+ /**
+ * Creates a new working copy manager that co-operates with the given
+ * compilation unit document provider.
+ *
+ * @param provider
+ * the provider
+ */
+ public WorkingCopyManager(ICompilationUnitDocumentProvider provider) {
+ Assert.isNotNull(provider);
+ fDocumentProvider = provider;
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.ui.IWorkingCopyManager#connect(org.eclipse.ui.IEditorInput)
+ */
+ public void connect(IEditorInput input) throws CoreException {
+ fDocumentProvider.connect(input);
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.ui.IWorkingCopyManager#disconnect(org.eclipse.ui.IEditorInput)
+ */
+ public void disconnect(IEditorInput input) {
+ fDocumentProvider.disconnect(input);
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.ui.IWorkingCopyManager#shutdown()
+ */
+ public void shutdown() {
+ if (!fIsShuttingDown) {
+ fIsShuttingDown = true;
+ try {
+ if (fMap != null) {
+ fMap.clear();
+ fMap = null;
+ }
+ fDocumentProvider.shutdown();
+ } finally {
+ fIsShuttingDown = false;
+ }
+ }
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.ui.IWorkingCopyManager#getWorkingCopy(org.eclipse.ui.IEditorInput)
+ */
+ public ICompilationUnit getWorkingCopy(IEditorInput input) {
+ ICompilationUnit unit = fMap == null ? null : (ICompilationUnit) fMap
+ .get(input);
+ return unit != null ? unit : fDocumentProvider.getWorkingCopy(input);
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.internal.ui.javaeditor.IWorkingCopyManagerExtension#setWorkingCopy(org.eclipse.ui.IEditorInput,
+ * net.sourceforge.phpdt.core.ICompilationUnit)
+ */
+ public void setWorkingCopy(IEditorInput input, ICompilationUnit workingCopy) {
+ if (fDocumentProvider.getDocument(input) != null) {
+ if (fMap == null)
+ fMap = new HashMap();
+ fMap.put(input, workingCopy);
+ }
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.internal.ui.javaeditor.IWorkingCopyManagerExtension#removeWorkingCopy(org.eclipse.ui.IEditorInput)
+ */
+ public void removeWorkingCopy(IEditorInput input) {
+ fMap.remove(input);
+ if (fMap.isEmpty())
+ fMap = null;
+ }
+}