X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fnodetypes%2FSpecialNodeType.java;fp=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fnodetypes%2FSpecialNodeType.java;h=9020abd57f8cd0ba271fd1270807a42ed87d62ff;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/nodetypes/SpecialNodeType.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/nodetypes/SpecialNodeType.java
new file mode 100644
index 000000000..9020abd57
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/nodetypes/SpecialNodeType.java
@@ -0,0 +1,127 @@
+/*******************************************************************************
+ * Copyright (c) 2010, 2011 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.model.nodetypes;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import org.eclipse.core.runtime.Platform;
+import org.osgi.framework.Bundle;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.NodeContextBuilder;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.ui.selection.WorkbenchSelectionElement;
+import org.simantics.viewpoint.ontology.ViewpointResource;
+
+public class SpecialNodeType implements NodeType {
+    public Resource resource;
+    Class<?> contentType;
+    
+    public SpecialNodeType(Resource resource, Class<?> contentType) {
+        this.resource = resource;
+        this.contentType = contentType;
+    }
+    
+    public static SpecialNodeType create(ReadGraph g, Resource r) throws DatabaseException {
+        ViewpointResource vr = ViewpointResource.getInstance(g);
+        String contentTypeName = g.getPossibleRelatedValue(r, vr.HasContentType);
+        Class<?> contentType;
+        if("Resource".equals(contentTypeName))
+            contentType = Resource.class;
+        else if("Statement".equals(contentTypeName))
+            contentType = Statement.class;
+        else if("Variable".equals(contentTypeName))
+            contentType = Variable.class;
+        else {
+            contentType = Object.class;
+            if(contentTypeName != null)
+                try {
+                    String bundleId = g.getPossibleRelatedValue(r, vr.HasBundle);
+                    Bundle bundle = null;
+                    if (bundleId != null) {
+                        bundle = Platform.getBundle(bundleId);
+                        if (bundle == null)
+                            System.err.println("Referenced bundle '" + bundleId + "' not found in platform.");
+                    }
+                    if (bundle != null)
+                        contentType = bundle.loadClass(contentTypeName);
+                    else
+                        contentType = Class.forName(contentTypeName);
+                } catch (ClassNotFoundException e) {
+                    System.err.println("Unknown content type " + contentTypeName);
+                }
+            else
+                System.err.println("Content type is NULL.");
+        }
+        return new SpecialNodeType(r, contentType);
+    }
+
+    @Override
+    public NodeContext createNodeContext(ReadGraph graph, Object content)
+            throws DatabaseException {
+        if(contentType.isInstance(content))
+            return NodeContextBuilder.buildWithData(KEY_SEQUENCE,
+                    new Object[] {content, this}
+            );
+        else
+            return null;
+    }
+
+    @Override
+    public Class<?> getContentType() {
+        return contentType;
+    }
+
+    @Override
+    public int hashCode() {
+        return resource.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        SpecialNodeType other = (SpecialNodeType) obj;
+        return resource.equals(other.resource);
+    }
+
+    @Override
+    public boolean inherits(ReadGraph graph, NodeType superType) {
+        // Special node type does not support inheritance
+        return equals(superType);
+    }
+
+    @Override
+    public Collection<NodeType> getSuper(ReadGraph g) {
+        return Collections.emptyList();
+    }
+    
+    @Override
+    public String toString(ReadGraph graph) throws DatabaseException {
+        return "(" + NameUtils.getSafeName(graph, resource) + ")";
+    }
+
+    @Override
+    public WorkbenchSelectionElement getWorkbenchSelectionElement(NodeContext context) {
+        return null;
+    }
+
+}