1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / WorkingCopyManager.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/WorkingCopyManager.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/WorkingCopyManager.java
new file mode 100644 (file)
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+/*******************************************************************************
+ * 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;
+       }
+}