Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / modelBrowser2 / label / SubscriptionItemLabelRule.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser2/label/SubscriptionItemLabelRule.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser2/label/SubscriptionItemLabelRule.java
new file mode 100644 (file)
index 0000000..5105d79
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser2/label/SubscriptionItemLabelRule.java
@@ -0,0 +1,58 @@
+/*******************************************************************************\r
+ * Copyright (c) 2012 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.modeling.ui.modelBrowser2.label;\r
+\r
+import java.util.Collections;\r
+import java.util.Map;\r
+\r
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;\r
+import org.eclipse.core.runtime.preferences.InstanceScope;\r
+import org.simantics.browsing.ui.common.ColumnKeys;\r
+import org.simantics.browsing.ui.model.labels.LabelRule;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.modeling.subscription.SubscriptionItemLabel;\r
+import org.simantics.utils.format.ValueFormat;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class SubscriptionItemLabelRule implements LabelRule {\r
+\r
+    public static final SubscriptionItemLabelRule INSTANCE = new SubscriptionItemLabelRule();\r
+\r
+    ValueFormat valueFormat;\r
+\r
+    public SubscriptionItemLabelRule() {\r
+        IEclipsePreferences chartPreferenceNode = InstanceScope.INSTANCE.getNode( "org.simantics.charts" );\r
+        String s = chartPreferenceNode.get("chart.valueformat", ValueFormat.Default.name());\r
+        valueFormat = ValueFormat.valueOf( s );\r
+    }\r
+\r
+    @Override\r
+    public boolean isCompatible(Class<?> contentType) {\r
+        return contentType.equals(Resource.class);\r
+    }\r
+\r
+    @Override\r
+    public Map<String, String> getLabel(ReadGraph graph, Object content) throws DatabaseException {\r
+        boolean oldSync = graph.setSynchronous(true);\r
+        try {\r
+            Resource item = (Resource) content;\r
+            String label = SubscriptionItemLabel.resolveLabel(graph, item, valueFormat, true);\r
+            return Collections.singletonMap(ColumnKeys.SINGLE, label);\r
+        } finally {\r
+            graph.setSynchronous(oldSync);\r
+        }\r
+    }\r
+}\r