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%2FLazyViewpointContributionContributor.java;fp=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2FLazyViewpointContributionContributor.java;h=5e11a7168ecc7b4dc8881f642ba3010982c2a3ab;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

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