Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / LazyViewpointContributionContributor.java

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LazyViewpointContributionContributor.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LazyViewpointContributionContributor.java
new file mode 100644 (file)
index 0000000..5e11a71
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LazyViewpointContributionContributor.java
@@ -0,0 +1,84 @@
+/*******************************************************************************\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.browsing.ui.graph.impl;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
+import org.simantics.browsing.ui.Tester;\r
+import org.simantics.browsing.ui.BuiltinKeys.ViewpointContributionKey;\r
+import org.simantics.browsing.ui.content.Contributor;\r
+import org.simantics.browsing.ui.content.ViewpointContribution;\r
+import org.simantics.browsing.ui.content.ViewpointContributionFactory;\r
+import org.simantics.browsing.ui.graph.impl.contribution.ViewpointContributionImpl;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.utils.ReflectionUtils;\r
+\r
+abstract public class LazyViewpointContributionContributor<InputClass> implements Contributor<ViewpointContributionFactory> {\r
+\r
+    abstract public Collection<NodeContext> children(ReadGraph graph, NodeContext context, PrimitiveQueryUpdater updater, ViewpointContributionKey key, ViewpointContributionImpl contribution) throws DatabaseException;\r
+    abstract public String getViewpointId();\r
+    \r
+    final private Class<?> clazz;\r
+\r
+    public LazyViewpointContributionContributor() {\r
+       clazz = ReflectionUtils.getSingleParameterType(getClass());\r
+    }\r
+\r
+    @Override\r
+    public ViewpointContributionFactory getFactory() {\r
+\r
+       return new ViewpointContributionFactory() {\r
+                       \r
+                       @Override\r
+                       public String getViewpointId() {\r
+                               return LazyViewpointContributionContributor.this.getViewpointId();\r
+                       }\r
+                       \r
+                       @Override\r
+                       public ViewpointContribution create(final PrimitiveQueryUpdater updater, NodeContext context, final ViewpointContributionKey key) {\r
+                               \r
+                       return new ViewpointContributionImpl(updater, context, key) {\r
+\r
+                           @Override\r
+                           public Collection<NodeContext> children(ReadGraph graph, NodeContext context) throws DatabaseException {\r
+\r
+                               return LazyViewpointContributionContributor.this.children(graph, context, updater, key, this);\r
+\r
+                           }\r
+\r
+                           @Override\r
+                           public Tester getNodeContextTester() {\r
+                               return LazyViewpointContributionContributor.this.getNodeContextTester();\r
+                           }\r
+\r
+                                       @Override\r
+                                       public Class<?> getInputClass() {\r
+                               return LazyViewpointContributionContributor.this.getInputClass();\r
+                                       }\r
+\r
+                       };\r
+                       \r
+                       }\r
+                       \r
+               };\r
+               \r
+    }\r
+    \r
+    @Override\r
+    public Class<?> getInputClass() {\r
+       return clazz;\r
+    }\r
+\r
+}\r