add migrationservice
diff --git a/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/internal/services/impl/MigrationServiceImpl.java b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/internal/services/impl/MigrationServiceImpl.java
new file mode 100644
index 0000000..a3d09b7
--- /dev/null
+++ b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/internal/services/impl/MigrationServiceImpl.java
@@ -0,0 +1,63 @@
+/*******************************************************************************
+ * <copyright>
+ *
+ * Copyright (c) 2005, 2011 SAP AG.
+ * 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:
+ * SAP AG - initial API, implementation and documentation
+ *
+ * </copyright>
+ *
+ *******************************************************************************/
+package org.eclipse.graphiti.internal.services.impl;
+
+import java.util.HashSet;
+
+import org.eclipse.emf.common.util.TreeIterator;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.graphiti.mm.algorithms.AbstractText;
+import org.eclipse.graphiti.mm.algorithms.styles.Font;
+import org.eclipse.graphiti.mm.algorithms.styles.Style;
+import org.eclipse.graphiti.mm.pictograms.Diagram;
+import org.eclipse.graphiti.services.Graphiti;
+import org.eclipse.graphiti.services.IMigrationService;
+
+/**
+ *
+ */
+public class MigrationServiceImpl implements IMigrationService {
+
+
+ @Override
+ public void migrate070To080(Diagram d) {
+
+ // Traverse model and collect fonts
+ HashSet<Font> fonts = new HashSet<Font>();
+ Resource eResource = d.eResource();
+ TreeIterator<EObject> allContents = eResource.getAllContents();
+ while (allContents.hasNext()) {
+ EObject next = allContents.next();
+ if (next instanceof AbstractText) {
+ AbstractText t = (AbstractText) next;
+ Font font = t.getFont();
+ fonts.add(font);
+ } else if (next instanceof Style) {
+ Style s = (Style) next;
+ Font font = s.getFont();
+ fonts.add(font);
+ }
+ }
+
+ // Manage collected fonts, including possibly a write.
+ // The caller has to use a write transaction.
+ for (Font font : fonts) {
+ Graphiti.getGaService().manageFont(d, font.getName(), font.getSize(), font.isItalic(), font.isBold());
+ }
+ }
+
+}
diff --git a/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/services/Graphiti.java b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/services/Graphiti.java
index b684951..90ac09f 100644
--- a/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/services/Graphiti.java
+++ b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/services/Graphiti.java
@@ -19,6 +19,7 @@
import org.eclipse.graphiti.internal.services.impl.GaServiceImpl;
import org.eclipse.graphiti.internal.services.impl.LayoutServiceImpl;
import org.eclipse.graphiti.internal.services.impl.LinkServiceImpl;
+import org.eclipse.graphiti.internal.services.impl.MigrationServiceImpl;
import org.eclipse.graphiti.internal.services.impl.PeServiceImpl;
/**
@@ -40,6 +41,8 @@
private static ILinkService linkService;
+ private static IMigrationService migService;
+
/**
*
* @return the creation service for GraphicsAlgoritm's
@@ -128,4 +131,17 @@
}
return linkService;
}
+
+ /**
+ *
+ * @return the migration service
+ *
+ * @since 0.8.0
+ */
+ public static IMigrationService getMigrationService() {
+ if (migService == null) {
+ migService = new MigrationServiceImpl();
+ }
+ return migService;
+ }
}
diff --git a/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/services/IMigrationService.java b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/services/IMigrationService.java
new file mode 100644
index 0000000..631ba9b
--- /dev/null
+++ b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/services/IMigrationService.java
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * <copyright>
+ *
+ * Copyright (c) 2005, 2011 SAP AG.
+ * 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:
+ * SAP AG - initial API, implementation and documentation
+ *
+ * </copyright>
+ *
+ *******************************************************************************/
+package org.eclipse.graphiti.services;
+
+import org.eclipse.graphiti.mm.pictograms.Diagram;
+
+/**
+ * Migration support for converting models from older to newer versions.
+ *
+ * @since 0.8.0
+ */
+public interface IMigrationService {
+
+ /**
+ * Moves fonts which, in 0.7.0, were aggregated by AbstractText and Style to
+ * the diagram which aggregates fonts centrally as of 0.8.0. Possibly
+ * modifies the diagram. Has to be called from within a write transaction.
+ *
+ * @param diagram
+ * the diagram to be migrated.
+ *
+ */
+ public abstract void migrate070To080(Diagram diagram);
+
+}
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