1 files changed, 120 insertions, 0 deletions
diff --git a/plugins/org.eclipse.etrice.core.room.ui/src/org/eclipse/etrice/core/ui/handlers/MigrateTransitionData.xtend b/plugins/org.eclipse.etrice.core.room.ui/src/org/eclipse/etrice/core/ui/handlers/MigrateTransitionData.xtend
new file mode 100644
index 000000000..bcde09363
--- /dev/null
+++ b/plugins/org.eclipse.etrice.core.room.ui/src/org/eclipse/etrice/core/ui/handlers/MigrateTransitionData.xtend
@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * Copyright (c) 2011 protos software gmbh (http://www.protos.de).
+ * 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
+ * 
+ * CONTRIBUTORS:
+ * 		Henrik Rentz-Reichert (initial contribution)
+ * 
+ *******************************************************************************/
+
+package org.eclipse.etrice.core.ui.handlers
+
+import com.google.inject.Inject
+import java.util.regex.Pattern
+import org.eclipse.core.commands.AbstractHandler
+import org.eclipse.core.commands.ExecutionEvent
+import org.eclipse.core.commands.ExecutionException
+import org.eclipse.emf.ecore.EObject
+import org.eclipse.etrice.core.fsm.fSM.DetailCode
+import org.eclipse.etrice.core.fsm.fSM.FSMFactory
+import org.eclipse.etrice.core.fsm.fSM.TriggeredTransition
+import org.eclipse.etrice.core.room.Message
+import org.eclipse.etrice.core.room.MessageHandler
+import org.eclipse.etrice.core.room.RoomModel
+import org.eclipse.jface.dialogs.MessageDialog
+import org.eclipse.swt.widgets.Display
+import org.eclipse.xtext.formatting.IWhitespaceInformationProvider
+import org.eclipse.xtext.resource.XtextResource
+import org.eclipse.xtext.ui.editor.utils.EditorUtils
+import org.eclipse.xtext.util.concurrent.IUnitOfWork
+
+class MigrateTransitionData extends AbstractHandler {
+
+	public static final String genericDataName = "transitionData"
+
+	@Inject
+	IWhitespaceInformationProvider whitespaceProvider;
+	
+	static class MigrateContext {
+		var String lineSep
+		var int actionCodeReplacements = 0
+	}
+	
+	override Object execute(ExecutionEvent event) throws ExecutionException {
+		
+		val proceed = MessageDialog.openQuestion(
+			Display.current.activeShell,
+			"Migrate to new style of transition data",
+			"This migration will replace textual occurrences of old data names with the generic name '" + genericDataName + "'\n\n"
+			+ "Proceed?"
+		)
+		if (proceed) {
+			val editor = EditorUtils.getActiveXtextEditor(event)
+			if (editor!==null) {
+				val ctx = editor.getDocument().modify(new IUnitOfWork<MigrateContext, XtextResource>() {
+					
+					override exec(XtextResource state) throws Exception {
+						val ctx = new MigrateContext => [
+							lineSep = whitespaceProvider.getLineSeparatorInformation(state.URI).lineSeparator
+						]
+						for (model : state.getContents()) {
+							if (model instanceof RoomModel) {
+								migrateModel(model, ctx)
+							}
+						}
+						return ctx
+					}
+					
+						
+					});
+				MessageDialog.openInformation(
+					Display.current.activeShell,
+					"Migrate to new style of transition data",
+					"Did replacements in " + ctx.actionCodeReplacements + " action codes."
+				)
+			}
+		}
+		return null;
+	}
+
+	private def void migrateModel(RoomModel model, MigrateContext ctx) {
+		// parse detail code and make replacements
+		// consider only TriggeredTransition (which is not quite accurate)
+		model.eAllContents.toIterable.filter(TriggeredTransition).forEach[
+			val msg = triggers.head?.msgFromIfPairs?.head?.message
+			if(triggers.head?.guard !== null) {
+				triggers.head.guard.guard = makeActionCodeReplacements(msg, triggers.head.guard.guard, ctx)
+			}
+			action = makeActionCodeReplacements(msg, action, ctx)
+		]
+		model.eAllContents.toIterable.filter(MessageHandler).forEach[
+			detailCode = makeActionCodeReplacements(msg, detailCode, ctx)
+		]
+	}
+	
+	private def makeActionCodeReplacements(EObject msg, DetailCode action, MigrateContext ctx) {
+		// inaccurate assumption: we can look at the first trigger message only
+		if (msg instanceof Message) {
+			if (msg.data!==null && msg.data.deprecatedName!==null && action!==null && !action.lines.empty) {
+				// we turn a multiline detail code into a single line one. Otherwise the serializer will fail because of the CC_STRING				
+				val detailCode = action.lines.join(ctx.lineSep)
+				// only full name matches
+				val matcher = Pattern.compile('''(?<![\d\w_])�msg.data.deprecatedName�(?![\d\w_])''').matcher(detailCode)
+				if(matcher.find) {
+					ctx.actionCodeReplacements += 1
+					return FSMFactory.eINSTANCE.createDetailCode => [
+						lines += matcher.replaceAll(genericDataName)
+						used = false
+					]
+				}
+			}
+		}
+		
+		// return the unchanged code
+		return action
+	}
+	
+}
+\ No newline at end of file