Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.structural.ui / src / org / simantics / structural / ui / modelBrowser / ModelBrowser2.java

diff --git a/bundles/org.simantics.structural.ui/src/org/simantics/structural/ui/modelBrowser/ModelBrowser2.java b/bundles/org.simantics.structural.ui/src/org/simantics/structural/ui/modelBrowser/ModelBrowser2.java
new file mode 100644 (file)
index 0000000..52a1338
--- /dev/null
+++ b/bundles/org.simantics.structural.ui/src/org/simantics/structural/ui/modelBrowser/ModelBrowser2.java
@@ -0,0 +1,104 @@
+/*******************************************************************************\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.structural.ui.modelBrowser;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.Set;\r
+\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.common.ErrorLogger;\r
+import org.simantics.browsing.ui.model.InvalidContribution;\r
+import org.simantics.browsing.ui.model.dnd.DndBrowseContext;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.Procedure;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.project.ontology.ProjectResource;\r
+import org.simantics.ui.SimanticsUI;\r
+\r
+/**\r
+ * @author Hannu Niemistö\r
+ */\r
+public class ModelBrowser2 extends ModelBrowser {\r
+\r
+    final static public Set<String> defaultBrowseContexts = Collections.singleton(ProjectResource.URIs.ProjectBrowseContext);\r
+    volatile DndBrowseContext dndBrowseContext;\r
+\r
+    public ModelBrowser2() {\r
+        // As long as these are not useful, don't shown them by default.\r
+        this.hideComparatorSelector = true;\r
+        this.hideViewpointSelector = true;\r
+\r
+        SimanticsUI.getSession().asyncRequest(new ReadRequest() {\r
+            @Override\r
+            public void run(ReadGraph graph) throws DatabaseException { \r
+                ArrayList<Resource> browseContexts = new ArrayList<Resource>();\r
+                for (String uri : getBrowseContexts()) {\r
+                    Resource browseContext = graph.getPossibleResource(uri);\r
+                    if (browseContext != null)\r
+                        browseContexts.add(browseContext);\r
+                }\r
+                try {\r
+                    dndBrowseContext = DndBrowseContext.create(graph, browseContexts);\r
+                } catch (InvalidContribution e) {\r
+                    ErrorLogger.defaultLogError(e);\r
+                }\r
+            }\r
+        });\r
+    }\r
+\r
+    @Override\r
+    public void createPartControl(Composite parent) {\r
+        this.propertyBrowseContexts = loadBrowseContexts(getBrowseContexts());\r
+        super.createPartControl(parent);\r
+    }\r
+\r
+    @Override\r
+    protected Set<String> getBrowseContexts() {\r
+        return defaultBrowseContexts;\r
+    }\r
+\r
+    @Override\r
+    protected void handleDrop(final Object data, final NodeContext target) {\r
+        if (target == null)\r
+            return;\r
+\r
+        SimanticsUI.getSession().asyncRequest(new Read<Runnable>() {\r
+            @Override\r
+            public Runnable perform(ReadGraph graph) throws DatabaseException {\r
+                if (dndBrowseContext == null)\r
+                    return null;\r
+                return dndBrowseContext.getAction(graph, target, data);\r
+            }\r
+        }, new Procedure<Runnable>() {\r
+            @Override\r
+            public void execute(Runnable result) {\r
+                if (result != null)\r
+                    result.run();\r
+            }\r
+\r
+            @Override\r
+            public void exception(Throwable t) {\r
+                ErrorLogger.defaultLogError(t);\r
+            }\r
+        });\r
+    }\r
+    \r
+    protected DndBrowseContext getDndBrowseContext() {\r
+               return dndBrowseContext;\r
+       }\r
+\r
+}\r