X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Factions%2FTestContribution.java;fp=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Factions%2FTestContribution.java;h=a9e02eb2ea76046738fbd4468da862bb730766ab;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/actions/TestContribution.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/actions/TestContribution.java
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index 000000000..a9e02eb2e
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+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/actions/TestContribution.java
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+/*******************************************************************************
+ * Copyright (c) 2015 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.model.actions;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.model.nodetypes.NodeType;
+import org.simantics.browsing.ui.model.nodetypes.NodeTypeMultiMap;
+import org.simantics.browsing.ui.model.tests.Test;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.viewpoint.ontology.ViewpointResource;
+
+/**
+ * Encapsulation of a browse context {@link NodeType} and input tester. Consists
+ * of a node type, a priority and a possible {@link Test} that returns whether
+ * the action related to this test is enabled or not. If there is no test
+ * defined, the test is considered to return <code>true</code>.
+ * 
+ * @author Tuukka Lehtonen
+ */
+public class TestContribution implements Comparable<TestContribution> {
+
+    NodeType nodeType;
+    Test test;
+    double priority;
+
+    public TestContribution(NodeType nodeType, Test test, double priority) {
+        super();
+        this.nodeType = nodeType;
+        this.test = test;
+        this.priority = priority;
+    }
+
+    public static void load(ReadGraph g, Resource r, NodeTypeMultiMap<TestContribution> contributions) throws DatabaseException {
+        ViewpointResource VR = ViewpointResource.getInstance(g);
+
+        NodeType nodeType = g.adapt(g.getSingleObject(r, VR.TestContribution_HasNodeType), NodeType.class);
+
+        Resource testResource = g.getPossibleObject(r, VR.TestContribution_HasTest);
+        Test test = testResource == null ? null : g.adapt(testResource, Test.class);
+
+        Double mpriority = g.getPossibleRelatedValue(r, VR.DropActionContribution_HasPriority);
+        double priority = mpriority == null ? 0.0 : mpriority.doubleValue();
+
+        contributions.put(nodeType, new TestContribution(nodeType, test, priority));
+    }
+
+    public boolean test(ReadGraph graph, NodeContext context) {
+        try {
+            return test == null || test.test(graph, context.getConstant(BuiltinKeys.INPUT));
+        } catch (DatabaseException e) {
+            Logger.defaultLogError(e);
+            return false;
+        }
+    }
+
+    @Override
+    public int compareTo(TestContribution o) {
+        return Double.compare(o.priority, priority);
+    }
+
+}