Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / symbolcontribution / IndexRootSymbolProviderFactory.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/symbolcontribution/IndexRootSymbolProviderFactory.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/symbolcontribution/IndexRootSymbolProviderFactory.java
new file mode 100644 (file)
index 0000000..da9c542
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/symbolcontribution/IndexRootSymbolProviderFactory.java
@@ -0,0 +1,109 @@
+/*******************************************************************************\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.diagram.symbolcontribution;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.BinaryRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.adapter.Instances;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.diagram.symbollibrary.ISymbolGroup;\r
+import org.simantics.layer0.Layer0;\r
+\r
+/**\r
+ * \r
+ * @author Antti Villberg\r
+ */\r
+public class IndexRootSymbolProviderFactory implements SymbolProviderFactory {\r
+               \r
+    Resource indexRoot;\r
+    Resource diagram;\r
+\r
+    public IndexRootSymbolProviderFactory(Resource indexRoot, Resource diagram) {\r
+        this.indexRoot = indexRoot;\r
+        this.diagram = diagram;\r
+    }\r
+\r
+       @Override\r
+       public int hashCode() {\r
+               final int prime = 31;\r
+               int result = 1;\r
+               result = prime * result + ((diagram == null) ? 0 : diagram.hashCode());\r
+               result = prime * result + ((indexRoot == null) ? 0 : indexRoot.hashCode());\r
+               return result;\r
+       }\r
+\r
+       @Override\r
+       public boolean equals(Object obj) {\r
+               if (this == obj)\r
+                       return true;\r
+               if (obj == null)\r
+                       return false;\r
+               if (getClass() != obj.getClass())\r
+                       return false;\r
+               IndexRootSymbolProviderFactory other = (IndexRootSymbolProviderFactory) obj;\r
+               if (diagram == null) {\r
+                       if (other.diagram != null)\r
+                               return false;\r
+               } else if (!diagram.equals(other.diagram))\r
+                       return false;\r
+               if (indexRoot == null) {\r
+                       if (other.indexRoot != null)\r
+                               return false;\r
+               } else if (!indexRoot.equals(other.indexRoot))\r
+                       return false;\r
+               return true;\r
+       }\r
+\r
+    @Override\r
+    public ISymbolProvider create(ReadGraph g) throws DatabaseException {\r
+        return g.syncRequest(new LoadRequest(indexRoot, diagram));\r
+    }\r
+\r
+    static class LoadRequest extends BinaryRead<Resource, Resource, ISymbolProvider> {\r
+        public LoadRequest(Resource contribution, Resource diagram) {\r
+            super(contribution, diagram);\r
+        }\r
+        @Override\r
+        public ISymbolProvider perform(ReadGraph graph) throws DatabaseException {\r
+               \r
+               Layer0 L0 = Layer0.getInstance(graph);\r
+            DiagramResource dr = DiagramResource.getInstance(graph);\r
+            \r
+            Collection<ISymbolGroup> groups = new ArrayList<ISymbolGroup>();\r
+            \r
+            if (parameter != null) {\r
+               Instances query = graph.adapt(dr.SymbolReferenceLibrary, Instances.class);\r
+               for(Resource library : query.find(graph, parameter)) {\r
+                    if (SymbolProviderFactories.accept(graph, dr, library, parameter2)) {\r
+                               groups.add(BasicSymbolProviderFactory.createGroup(graph, library, L0.IsRelatedTo, parameter2));\r
+                    }\r
+               }\r
+            }\r
+\r
+            return new SymbolProvider(groups);\r
+        }\r
+    }\r
+\r
+    static class SymbolProvider extends AbstractSymbolProvider {\r
+        public SymbolProvider(Collection<ISymbolGroup> groups) {\r
+            super();\r
+            setSymbolGroup(groups);\r
+            lockGroups();\r
+        }\r
+    }\r
+\r
+}\r