Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / actions / ExplorerDynamicMenuContribution.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/ExplorerDynamicMenuContribution.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/ExplorerDynamicMenuContribution.java
new file mode 100644 (file)
index 0000000..32adab9
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/ExplorerDynamicMenuContribution.java
@@ -0,0 +1,73 @@
+/*******************************************************************************\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.modeling.ui.actions;\r
+\r
+import org.eclipse.core.runtime.Platform;\r
+import org.eclipse.jface.action.Action;\r
+import org.eclipse.jface.action.ActionContributionItem;\r
+import org.eclipse.jface.action.IContributionItem;\r
+import org.eclipse.jface.resource.ImageDescriptor;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.ui.contribution.DynamicMenuContribution;\r
+import org.simantics.utils.ui.BundleUtils;\r
+\r
+\r
+/**\r
+ * @author Antti Villberg\r
+ */\r
+abstract public class ExplorerDynamicMenuContribution<T> extends DynamicMenuContribution {\r
+\r
+       private static final IContributionItem[] NONE = {};\r
+\r
+       @Override\r
+       protected IContributionItem[] getContributionItems(ReadGraph graph, Object[] selection) throws DatabaseException {\r
+\r
+               T input = computeInput(graph, selection);\r
+\r
+               if(input == null) return NONE;\r
+\r
+               return new IContributionItem[] {\r
+                               new ActionContributionItem(new Helper(graph, input))\r
+               };\r
+\r
+       }\r
+\r
+       public class Helper extends Action {\r
+\r
+               private final T input;\r
+               protected final Session        session;\r
+\r
+               public Helper(ReadGraph graph, T input) throws DatabaseException {\r
+                       super(getName(graph, input), getImage(graph, input));\r
+                       this.session = graph.getSession();\r
+                       this.input = input;\r
+               }\r
+\r
+               @Override\r
+               public void run() {\r
+                       perform(session, input);\r
+               }\r
+\r
+       }\r
+\r
+       protected ImageDescriptor silk(String name) {\r
+               return BundleUtils.getImageDescriptorFromBundle(Platform.getBundle("com.famfamfam.silk"), "/icons/" + name);\r
+       }\r
+\r
+       abstract protected T computeInput(ReadGraph graph, Object[] selection) throws DatabaseException;\r
+       abstract protected void perform(Session session, T input);\r
+       abstract protected String getName(ReadGraph graph, T input) throws DatabaseException ;\r
+       abstract protected ImageDescriptor getImage(ReadGraph graph, T input) throws DatabaseException;\r
+\r
+}\r