X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2Fcontributor%2Flabeler%2FLabelDecoratorContributorImpl.java;fp=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2Fcontributor%2Flabeler%2FLabelDecoratorContributorImpl.java;h=c7c360d41a5c6159132233042ee4c8ac33da2355;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/labeler/LabelDecoratorContributorImpl.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/labeler/LabelDecoratorContributorImpl.java
new file mode 100644
index 000000000..c7c360d41
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+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/labeler/LabelDecoratorContributorImpl.java
@@ -0,0 +1,79 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.graph.impl.contributor.labeler;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.Tester;
+import org.simantics.browsing.ui.BuiltinKeys.LabelDecoratorKey;
+import org.simantics.browsing.ui.content.Contributor;
+import org.simantics.browsing.ui.content.LabelDecorator;
+import org.simantics.browsing.ui.content.LabelDecoratorFactory;
+import org.simantics.browsing.ui.graph.impl.contribution.LabelDecoratorContributionImpl;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.utils.ReflectionUtils;
+
+abstract public class LabelDecoratorContributorImpl<T> implements Contributor<LabelDecoratorFactory> {
+
+    abstract public LabelDecorator getDecorator(ReadGraph graph, T input) throws DatabaseException;
+
+    final private Class<?> clazz;
+
+    @Override
+    public Tester getNodeContextTester() {
+        return null;
+    }
+
+    public LabelDecoratorContributorImpl() {
+        clazz = ReflectionUtils.getSingleParameterType(getClass());
+    }
+
+    public LabelDecoratorContributorImpl(Class<?> clazz) {
+        this.clazz = clazz;
+    }
+
+    @Override
+    public LabelDecoratorFactory getFactory() {
+
+        return new LabelDecoratorFactory() {
+
+            @Override
+            public LabelDecorator create(final PrimitiveQueryUpdater updater, NodeContext context, LabelDecoratorKey key) {
+
+                return new LabelDecoratorContributionImpl(updater, context, key) {
+
+                    @SuppressWarnings("unchecked")
+                    @Override
+                    public LabelDecorator getDecorator(ReadGraph graph, NodeContext context) throws DatabaseException {
+
+                        T input = (T)context.getConstant(BuiltinKeys.INPUT);
+
+                        return LabelDecoratorContributorImpl.this.getDecorator(graph, input);
+
+                    }
+
+                };
+
+            }
+
+        };
+
+    }
+
+    @Override
+    public Class<?> getInputClass() {
+        return clazz;
+    }
+
+}