Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / contributor / AbstractViewpointContributionContributor.java

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/contributor/AbstractViewpointContributionContributor.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/contributor/AbstractViewpointContributionContributor.java
new file mode 100644 (file)
index 0000000..5544cc6
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/contributor/AbstractViewpointContributionContributor.java
@@ -0,0 +1,102 @@
+/*******************************************************************************\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.common.contributor;\r
+\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+\r
+import org.simantics.browsing.ui.BuiltinKeys.ViewpointContributionKey;\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.content.Contributor;\r
+import org.simantics.browsing.ui.content.ViewpointContribution;\r
+import org.simantics.browsing.ui.content.ViewpointContributionFactory;\r
+import org.simantics.utils.ReflectionUtils;\r
+\r
+/**\r
+ * @author Antti Villberg\r
+ *\r
+ * @param <T> the input type accepted by this contributor\r
+ */\r
+public abstract class AbstractViewpointContributionContributor<T> implements Contributor<ViewpointContributionFactory> {\r
+\r
+    private final Class<?> clazz;\r
+\r
+    public AbstractViewpointContributionContributor() {\r
+       clazz = ReflectionUtils.getSingleParameterType(getClass());\r
+    }\r
+\r
+    public AbstractViewpointContributionContributor(Class<?> clazz) {\r
+       this.clazz = clazz;\r
+    }\r
+\r
+    @Override\r
+    public Class<?> getInputClass() {\r
+        return clazz;\r
+    }\r
+\r
+    @Override\r
+    public ViewpointContributionFactory getFactory() {\r
+\r
+        return new ViewpointContributionFactory() {\r
+\r
+            @Override\r
+            public ViewpointContribution create(final PrimitiveQueryUpdater updater,\r
+                    final NodeContext context, final ViewpointContributionKey key) {\r
+\r
+                return new ViewpointContribution() {\r
+\r
+                       Collection<NodeContext> contribution = Collections.emptySet();\r
+                       \r
+                       @Override\r
+                       public Collection<NodeContext> getContribution() {\r
+\r
+                               Collection<NodeContext> current = AbstractViewpointContributionContributor.this.getContribution(updater, context, key); \r
+\r
+                               for(NodeContext c : current) updater.incRef(c);\r
+                               for(NodeContext c : contribution) updater.decRef(c);\r
+                               contribution = current;\r
+\r
+                               return current;\r
+                               \r
+                       }\r
+\r
+                    @Override\r
+                    public Class<?> getInputClass() {\r
+                        return clazz;\r
+                    }\r
+\r
+                    @Override\r
+                    public Tester getNodeContextTester() {\r
+                        return AbstractViewpointContributionContributor.this.getNodeContextTester();\r
+                    }\r
+\r
+                };\r
+\r
+            }\r
+\r
+            @Override\r
+            public String getViewpointId() {\r
+                return AbstractViewpointContributionContributor.this.getViewpointId();\r
+            }\r
+\r
+        };\r
+\r
+    }\r
+\r
+    abstract public Collection<NodeContext> getContribution(PrimitiveQueryUpdater updater,\r
+            NodeContext context, ViewpointContributionKey key);\r
+\r
+    abstract public String getViewpointId();\r
+\r
+}\r