X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/phpeditor/WorkingCopyManager.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/phpeditor/WorkingCopyManager.java
new file mode 100644
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--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/phpeditor/WorkingCopyManager.java
@@ -0,0 +1,112 @@
+/*******************************************************************************
+ * 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;
+import org.eclipse.jface.text.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;
+	}
+}