--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2016 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
+ * THTH ry - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.debug.browser.internal.rewriters;\r
+\r
+import java.util.ArrayList;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Statement;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.debug.browser.content.ResourceBrowserContent;\r
+import org.simantics.debug.browser.content.ResourceBrowserRewriter;\r
+import org.simantics.debug.browser.sections.BreadcrumbSection;\r
+import org.simantics.debug.browser.sections.RawStatementsSection;\r
+import org.simantics.debug.browser.sections.BreadcrumbSection.Node;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public enum BreadcrumbCreator implements ResourceBrowserRewriter {\r
+ INSTANCE;\r
+\r
+ @Override\r
+ public void rewrite(ReadGraph graph, ResourceBrowserContent content)\r
+ throws DatabaseException {\r
+ ArrayList<Node> nodes = new ArrayList<Node>();\r
+ collectBreadcrumbs(graph, nodes, content.resource);\r
+ if(!nodes.isEmpty()) {\r
+ content.putSection(BreadcrumbSection.class,\r
+ new BreadcrumbSection(nodes.toArray(new Node[nodes.size()])));\r
+ \r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ RawStatementsSection rawStatementsSection = content.getSection(RawStatementsSection.class);\r
+ rawStatementsSection.statementsByPredicates.remove(L0.HasName);\r
+ rawStatementsSection.statementsByPredicates.remove(L0.PartOf);\r
+ }\r
+ }\r
+\r
+ private static void collectBreadcrumbs(ReadGraph graph, ArrayList<Node> nodes,\r
+ Resource resource) throws DatabaseException {\r
+ if(resource.equals(graph.getRootLibrary())) {\r
+ nodes.add(new Node("", "http:/", resource.getResourceId()));\r
+ return;\r
+ }\r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ Resource parent = graph.getPossibleObject(resource, L0.PartOf);\r
+ if(parent != null) {\r
+ collectBreadcrumbs(graph, nodes, parent);\r
+ String name = graph.getPossibleRelatedValue(resource, L0.HasName, Bindings.STRING);\r
+ if(name != null)\r
+ nodes.add(new Node("/", name, resource.getResourceId()));\r
+ else\r
+ nodes.add(new Node("/", String.valueOf(resource.getResourceId()), resource.getResourceId()));\r
+ return;\r
+ }\r
+ Statement propertyInverseStatement = graph.getPossibleStatement(resource, L0.PropertyOf);\r
+ if(propertyInverseStatement != null) {\r
+ collectBreadcrumbs(graph, nodes, propertyInverseStatement.getObject());\r
+ String name = graph.getPossibleRelatedValue(graph.getInverse(propertyInverseStatement.getPredicate()),\r
+ L0.HasName, Bindings.STRING);\r
+ nodes.add(new Node("#", name, resource.getResourceId()));\r
+ return;\r
+ }\r
+ Resource assertion = graph.getPossibleObject(resource, L0.HasObjectInverse);\r
+ if(assertion != null) {\r
+ parent = graph.getPossibleObject(assertion, L0.Asserts_Inverse);\r
+ if(parent != null) {\r
+ collectBreadcrumbs(graph, nodes, parent);\r
+ Resource predicate = graph.getPossibleObject(assertion, L0.HasPredicate);\r
+ String name = predicate == null ? null \r
+ : (String)graph.getPossibleRelatedValue(predicate, L0.HasName, Bindings.STRING);\r
+ if(name != null)\r
+ nodes.add(new Node("#assertion#", name, resource.getResourceId()));\r
+ else\r
+ nodes.add(new Node("#assertion#", String.valueOf(resource.getResourceId()), resource.getResourceId()));\r
+ return;\r
+ }\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public double getPriority() {\r
+ return 1;\r
+ }\r
+}\r