Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.model / src / org / simantics / browsing / ui / model / dnd / DropActionContribution.java

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/dnd/DropActionContribution.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/dnd/DropActionContribution.java
new file mode 100644 (file)
index 0000000..20b32f2
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/dnd/DropActionContribution.java
@@ -0,0 +1,75 @@
+/*******************************************************************************\r
+ * Copyright (c) 2010, 2011 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.browsing.ui.model.dnd;\r
+\r
+import org.simantics.browsing.ui.BuiltinKeys;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.model.nodetypes.NodeType;\r
+import org.simantics.browsing.ui.model.nodetypes.NodeTypeMultiMap;\r
+import org.simantics.browsing.ui.model.tests.Test;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.Logger;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.adapter.DropActionFactory;\r
+import org.simantics.viewpoint.ontology.ViewpointResource;\r
+\r
+public class DropActionContribution implements Comparable<DropActionContribution> {\r
+    NodeType nodeType;\r
+    DropActionFactory actionFactory;\r
+    Test test;\r
+    double priority;\r
+\r
+    public DropActionContribution(NodeType nodeType,\r
+            DropActionFactory actionFactory, Test test, double priority) {\r
+        super();\r
+        this.nodeType = nodeType;\r
+        this.actionFactory = actionFactory;\r
+        this.test = test;\r
+        this.priority = priority;\r
+    }\r
+\r
+    public static void load(ReadGraph g, Resource r, NodeTypeMultiMap<DropActionContribution> contributions) throws DatabaseException {\r
+        ViewpointResource VR = ViewpointResource.getInstance(g);\r
+\r
+        NodeType nodeType = g.adapt(g.getSingleObject(r, VR.DropActionContribution_HasNodeType), NodeType.class);\r
+\r
+        DropActionFactory actionFactory = g.adapt(g.getSingleObject(r, VR.DropActionContribution_HasAction), DropActionFactory.class);\r
+\r
+        Resource testResource = g.getPossibleObject(r, VR.DropActionContribution_HasCondition);\r
+        Test test = testResource == null ? null : g.adapt(testResource, Test.class);\r
+\r
+        Double mpriority = g.getPossibleRelatedValue(r, VR.DropActionContribution_HasPriority);\r
+        double priority = mpriority == null ? 0.0 : mpriority.doubleValue();\r
+\r
+        DropActionContribution contribution = \r
+            new DropActionContribution(nodeType, actionFactory, test, priority);\r
+        contributions.put(nodeType, contribution);\r
+    }\r
+\r
+    public Runnable getAction(ReadGraph graph, NodeContext context, Object source, int operation) {\r
+        Object content = context.getConstant(BuiltinKeys.INPUT);\r
+        try {\r
+            if (test == null || test.test(graph, content)) {\r
+                return actionFactory.create(graph, content, source, operation);\r
+            }\r
+        } catch(DatabaseException e) {\r
+               Logger.defaultLogError(e);\r
+        }\r
+        return null;\r
+    }\r
+\r
+    @Override\r
+    public int compareTo(DropActionContribution o) {\r
+        return Double.compare(o.priority, priority);\r
+    }\r
+}\r