Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / TypeIndexStructureViewpointFactory.java

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/TypeIndexStructureViewpointFactory.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/TypeIndexStructureViewpointFactory.java
new file mode 100644 (file)
index 0000000..b4b3314
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/TypeIndexStructureViewpointFactory.java
@@ -0,0 +1,48 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in 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.browsing.ui.graph.impl;\r
+\r
+import org.simantics.browsing.ui.BuiltinKeys;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
+import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;\r
+import org.simantics.browsing.ui.common.NodeContextUtil;\r
+import org.simantics.browsing.ui.common.viewpoints.LazyContainerViewpoint;\r
+import org.simantics.browsing.ui.content.Viewpoint;\r
+import org.simantics.browsing.ui.content.ViewpointFactory;\r
+\r
+public class TypeIndexStructureViewpointFactory implements ViewpointFactory {\r
+\r
+    @Override\r
+    public Viewpoint create(final PrimitiveQueryUpdater provider, final NodeContext context, final ViewpointKey key) {\r
+        assert (provider != null);\r
+        assert (context != null);\r
+\r
+        final LazyContainerViewpoint result = new LazyContainerViewpoint();\r
+\r
+        final TypeIndex index = (TypeIndex) context.getConstant(BuiltinKeys.INPUT);\r
+        assert (index != null);\r
+\r
+        NodeContext[] resultContexts = NodeContextUtil.toContextsWithInput(index.instances);\r
+\r
+        result.setChildren(provider, resultContexts);\r
+        result.setHasChildren(resultContexts.length > 0);\r
+\r
+        return result;\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return "Structure by types";\r
+    }\r
+\r
+}\r