X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fflag%2FFlagStringModifierFactory.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fflag%2FFlagStringModifierFactory.java;h=cca6e7ff83dd4cbae8691b2c41b51d7a8c10d93c;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/flag/FlagStringModifierFactory.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/flag/FlagStringModifierFactory.java
new file mode 100644
index 000000000..cca6e7ff8
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+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/flag/FlagStringModifierFactory.java
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.diagram.flag;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.StringModifier;
+import org.simantics.db.layer0.adapter.StringModifierFactory;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Makes sure that two things apply:
+ * <ol>
+ * <li>If a flag is joined with another flag, both flags must have the same label property</li>
+ * <li>A flag's label is unique within its own diagram</li>
+ * </ol> 
+ * @author Tuukka Lehtonen
+ */
+public final class FlagStringModifierFactory implements StringModifierFactory {
+
+    private Resource subject;
+
+    public FlagStringModifierFactory(ReadGraph graph, Resource subject) throws DatabaseException {
+        this.subject = subject;
+    }
+
+    @Override
+    public StringModifier createModifier(ReadGraph graph, Resource relation, Resource property) throws DatabaseException {
+//        System.out.println(NameUtils.getSafeName(graph, subject));
+//        System.out.println(NameUtils.getSafeName(graph, relation));
+//        System.out.println(NameUtils.getSafeName(graph, property));
+        Layer0 L0 = Layer0.getInstance(graph);
+        if (L0.HasLabel.equals(relation)) {
+            return new FlagLabelModifier(graph, subject, relation, property);
+        }
+        return null;
+    }
+
+}