1 files changed, 135 insertions, 0 deletions
diff --git a/deprecated/org.eclipse.papyrus.infra.gmfdiag.xtext.glue/src/org/eclipse/papyrus/infra/gmfdiag/xtext/glue/editingdomain/XtextNodeModelReconciler.java b/deprecated/org.eclipse.papyrus.infra.gmfdiag.xtext.glue/src/org/eclipse/papyrus/infra/gmfdiag/xtext/glue/editingdomain/XtextNodeModelReconciler.java
new file mode 100644
index 00000000000..4605d2a1a5c
--- /dev/null
+++ b/deprecated/org.eclipse.papyrus.infra.gmfdiag.xtext.glue/src/org/eclipse/papyrus/infra/gmfdiag/xtext/glue/editingdomain/XtextNodeModelReconciler.java
@@ -0,0 +1,135 @@
+/*******************************************************************************
+ * Copyright (c) 2009 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.papyrus.infra.gmfdiag.xtext.glue.editingdomain;
+
+import org.eclipse.core.commands.operations.IOperationHistory;
+import org.eclipse.core.commands.operations.IOperationHistoryListener;
+import org.eclipse.core.commands.operations.OperationHistoryEvent;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.common.notify.impl.AdapterImpl;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.emf.transaction.TransactionalEditingDomain.Lifecycle;
+import org.eclipse.emf.transaction.TransactionalEditingDomainEvent;
+import org.eclipse.emf.transaction.TransactionalEditingDomainListener;
+import org.eclipse.emf.transaction.util.TransactionUtil;
+import org.eclipse.emf.workspace.IWorkspaceCommandStack;
+//import org.eclipse.xtext.parsetree.CompositeNode;
+//import org.eclipse.xtext.parsetree.NodeAdapter;
+//import org.eclipse.xtext.parsetree.NodeUtil;
+
+/**
+ * Reconciles the node models of all XtextResources in a TransactionalEditingDomain with semantic changes.
+ * 
+ * @author koehnlein
+ */
+public class XtextNodeModelReconciler extends AdapterImpl implements TransactionalEditingDomainListener,
+		IOperationHistoryListener {
+
+	private TransactionalEditingDomain editingDomain;
+
+	private ChangeAggregatorAdapter changeAggregator;
+
+	private XtextNodeModelReconciler(TransactionalEditingDomain editingDomain) {
+		this.editingDomain = editingDomain;
+		Lifecycle lifecycle = TransactionUtil.getAdapter(editingDomain, Lifecycle.class);
+		lifecycle.addTransactionalEditingDomainListener(this);
+		changeAggregator = new ChangeAggregatorAdapter();
+		editingDomain.getResourceSet().eAdapters().add(changeAggregator);
+		CommandStack commandStack = editingDomain.getCommandStack();
+		if (commandStack instanceof IWorkspaceCommandStack) {
+			IOperationHistory operationHistory = ((IWorkspaceCommandStack) commandStack).getOperationHistory();
+			operationHistory.addOperationHistoryListener(this);
+		}
+		changeAggregator.beginRecording();
+	}
+
+	public void editingDomainDisposing(TransactionalEditingDomainEvent event) {
+		changeAggregator.endRecording();
+		CommandStack commandStack = editingDomain.getCommandStack();
+		if (commandStack instanceof IWorkspaceCommandStack) {
+			IOperationHistory operationHistory = ((IWorkspaceCommandStack) commandStack).getOperationHistory();
+			operationHistory.removeOperationHistoryListener(this);
+		}
+		editingDomain.getResourceSet().eAdapters().remove(changeAggregator);
+		Lifecycle lifecycle = TransactionUtil.getAdapter(editingDomain, Lifecycle.class);
+		lifecycle.removeTransactionalEditingDomainListener(XtextNodeModelReconciler.this);
+	}
+
+	public void transactionClosed(TransactionalEditingDomainEvent event) {
+		// ignore
+	}
+
+	public void transactionClosing(TransactionalEditingDomainEvent event) {
+		// ignore
+	}
+
+	public void transactionInterrupted(TransactionalEditingDomainEvent event) {
+		// ignore
+	}
+
+	public void transactionStarted(TransactionalEditingDomainEvent event) {
+		// ignore
+	}
+
+	public void transactionStarting(TransactionalEditingDomainEvent event) {
+		// ignore
+	}
+
+	/**
+	 * This element comes from the XText/GMF integration example, and was not originally documented.
+	 * @param editingDomain 
+	 * @return XtextNodeModelReconciler
+	 *
+	 */
+	public static XtextNodeModelReconciler adapt(TransactionalEditingDomain editingDomain) {
+		XtextNodeModelReconciler adapter = (XtextNodeModelReconciler) EcoreUtil.getAdapter(editingDomain
+				.getResourceSet().eAdapters(), XtextNodeModelReconciler.class);
+		if (adapter == null) {
+			adapter = new XtextNodeModelReconciler(editingDomain);
+		}
+		return adapter;
+	}
+
+	public void historyNotification(OperationHistoryEvent event) {
+		int eventType = event.getEventType();
+//		switch (eventType) {
+//			case OperationHistoryEvent.DONE:
+//			case OperationHistoryEvent.UNDONE:
+//			case OperationHistoryEvent.REDONE:
+//				changeAggregator.endRecording();
+//				ICommand updateXtextResourceTextCommand = null;
+//				for (EObject modificationRoot : changeAggregator.getModificationRoots()) {
+//					XtextResource xtextResource = (XtextResource) modificationRoot.eResource();
+//					NodeAdapter nodeAdapter = NodeUtil.getNodeAdapter(modificationRoot);
+//					CompositeNode parserNode = nodeAdapter.getParserNode();
+//					Serializer serializer = xtextResource.getSerializer();
+//					String newText = serializer.serialize(modificationRoot);
+//					ICommand newCommand = UpdateXtextResourceTextCommand.createUpdateCommand(xtextResource, parserNode
+//							.getOffset(), parserNode.getLength(), newText);
+//					if (updateXtextResourceTextCommand == null) {
+//						updateXtextResourceTextCommand = newCommand;
+//					} else {
+//						updateXtextResourceTextCommand.compose(newCommand);
+//					}
+//				}
+//				try {
+//					if (updateXtextResourceTextCommand != null) {
+//						updateXtextResourceTextCommand.execute(null, null);
+//					}
+//				} catch (ExecutionException exc) {
+//					Activator.logError(exc);
+//				}
+//				changeAggregator.beginRecording();
+//				break;
+//			default:
+//				// ignore
+//		}
+
+	}
+}