Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.swt / src / org / simantics / browsing / ui / swt / PropertyTableUtil.java

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/PropertyTableUtil.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/PropertyTableUtil.java
new file mode 100644 (file)
index 0000000..dce4423
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/PropertyTableUtil.java
@@ -0,0 +1,44 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2012 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.swt;\r
+\r
+import org.eclipse.jface.viewers.ISelectionProvider;\r
+import org.eclipse.swt.widgets.Control;\r
+import org.simantics.browsing.ui.GraphExplorer;\r
+import org.simantics.browsing.ui.common.views.PropertyTableConstants;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.management.ISessionContext;\r
+import org.simantics.ui.dnd.BasicDragSource;\r
+import org.simantics.ui.dnd.SessionContainer;\r
+\r
+public class PropertyTableUtil {\r
+\r
+    /**\r
+     * @param explorer\r
+     * @return the object representing the drag source. If the object implements\r
+     *         {@link SessionContainer}, its\r
+     *         {@link SessionContainer#setSession(Session)} will be invoked\r
+     *         every time the active database session changes.\r
+     */\r
+    public static Object createResourceDragSource(GraphExplorer explorer) {\r
+        ISelectionProvider selectionProvider = (ISelectionProvider)explorer.getAdapter(ISelectionProvider.class);\r
+        Control control = explorer.getControl();\r
+        return new BasicDragSource(selectionProvider, control, null, PropertyTableConstants.DND_PURPOSE_PROPERTY);\r
+    }\r
+\r
+    public static void setupDragSource(Object dragSource, ISessionContext sessionContext) {\r
+        if (dragSource instanceof SessionContainer) {\r
+            ((SessionContainer) dragSource).setSession(sessionContext != null ? sessionContext.getSession() : null);\r
+        }\r
+    }\r
+\r
+}\r