--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2010, 2011 Association for Decentralized Information Management in\r
+ * 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.model.actions;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+import gnu.trove.set.hash.THashSet;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Arrays;\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+import java.util.HashSet;\r
+import java.util.List;\r
+import java.util.Map;\r
+import java.util.Set;\r
+\r
+import org.eclipse.jface.action.Action;\r
+import org.simantics.browsing.ui.BuiltinKeys;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.model.InvalidContribution;\r
+import org.simantics.browsing.ui.model.browsecontexts.BrowseContexts;\r
+import org.simantics.browsing.ui.model.browsecontexts.ResolveActionBrowseContext;\r
+import org.simantics.browsing.ui.model.nodetypes.EntityNodeType;\r
+import org.simantics.browsing.ui.model.nodetypes.NodeType;\r
+import org.simantics.browsing.ui.model.nodetypes.NodeTypeMultiMap;\r
+import org.simantics.browsing.ui.model.nodetypes.SpecialNodeType;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.viewpoint.ontology.ViewpointResource;\r
+\r
+/**\r
+ * ActionBrowseContext holds all contributions related to given set of action browse contexts.\r
+ * \r
+ * @author Hannu Niemistö\r
+ */\r
+public class ActionBrowseContext {\r
+ NodeTypeMultiMap<ActionContribution> actionContributions = new NodeTypeMultiMap<ActionContribution>();\r
+ // TODO: remove these two temporary mechanisms\r
+ THashSet<Resource> removableNodeTypes = new THashSet<Resource>(); \r
+ THashSet<Resource> renameableNodeTypes = new THashSet<Resource>(); \r
+ NodeTypeMultiMap<TestContribution> removalContributions = new NodeTypeMultiMap<TestContribution>();\r
+ NodeTypeMultiMap<TestContribution> renamingContributions = new NodeTypeMultiMap<TestContribution>();\r
+\r
+ private final String[] uris; \r
+\r
+ private ActionBrowseContext(String[] uris) {\r
+ if (uris == null)\r
+ throw new NullPointerException("null URIs");\r
+ this.uris = uris;\r
+ }\r
+\r
+ public String[] getURIs() {\r
+ return uris;\r
+ }\r
+\r
+ public static ActionBrowseContext get(ReadGraph graph,NodeContext context,ActionBrowseContext defaultContext) throws DatabaseException {\r
+ ActionBrowseContext mbc = graph.syncRequest(new ResolveActionBrowseContext(context));\r
+ if(mbc != null) return mbc;\r
+ ActionBrowseContext parentContext = (ActionBrowseContext)context.getConstant(BuiltinKeys.ACTION_BROWSE_CONTEXT);\r
+ if(parentContext != null) return parentContext;\r
+ return defaultContext;\r
+ }\r
+ \r
+ public static ActionBrowseContext create(ReadGraph g, Collection<Resource> browseContextResources) throws DatabaseException, InvalidContribution {\r
+ ViewpointResource vr = ViewpointResource.getInstance(g);\r
+ ActionBrowseContext browseContext = new ActionBrowseContext( BrowseContexts.toSortedURIs(g, browseContextResources) );\r
+ for(Resource browseContextResource : findSubcontexts(g, browseContextResources)) {\r
+ for(Resource actionContributionResource : \r
+ g.getObjects(browseContextResource, vr.BrowseContext_HasActionContribution)) {\r
+ try {\r
+ ActionContribution.load(g, actionContributionResource,\r
+ browseContext.actionContributions\r
+ );\r
+ } catch(DatabaseException e) {\r
+ e.printStackTrace();\r
+ }\r
+ }\r
+ for(Resource canRemove : g.getObjects(browseContextResource, vr.BrowseContext_SupportsRemovalOf))\r
+ browseContext.removableNodeTypes.add(canRemove);\r
+ for(Resource canRemove : g.getObjects(browseContextResource, vr.BrowseContext_SupportsRenamingOf))\r
+ browseContext.renameableNodeTypes.add(canRemove);\r
+\r
+ for (Resource testContribution : g.getObjects(browseContextResource, vr.BrowseContext_HasTestContribution)) {\r
+ try {\r
+ Set<Resource> types = g.getTypes(testContribution);\r
+ if (types.contains(vr.RemovalTestContribution))\r
+ TestContribution.load(g, testContribution, browseContext.removalContributions);\r
+ if (types.contains(vr.RenamingTestContribution))\r
+ TestContribution.load(g, testContribution, browseContext.renamingContributions);\r
+ } catch (DatabaseException e) {\r
+ e.printStackTrace();\r
+ }\r
+ }\r
+ }\r
+ return browseContext;\r
+ }\r
+ \r
+ private static Collection<Resource> findSubcontexts(ReadGraph g,\r
+ Collection<Resource> browseContexts) throws DatabaseException {\r
+ ViewpointResource vr = ViewpointResource.getInstance(g);\r
+ HashSet<Resource> result = new HashSet<Resource>(browseContexts);\r
+ ArrayList<Resource> stack = new ArrayList<Resource>(browseContexts);\r
+ while(!stack.isEmpty()) {\r
+ Resource cur = stack.remove(stack.size()-1);\r
+ for(Resource sc : g.getObjects(cur, vr.BrowseContext_Includes))\r
+ if(result.add(sc))\r
+ stack.add(sc);\r
+ }\r
+ return result;\r
+ } \r
+ \r
+ private static NodeType getNodeType(ReadGraph graph, NodeContext parent) throws DatabaseException {\r
+ NodeType nodeType = parent.getConstant(NodeType.TYPE);\r
+ if(nodeType == null) { \r
+ // TODO remove this code when root of model browser is fixed\r
+ Object input = parent.getConstant(BuiltinKeys.INPUT);\r
+ if(input instanceof Resource)\r
+ nodeType = EntityNodeType.getNodeTypeFor(graph, (Resource)input);\r
+ }\r
+ return nodeType;\r
+ }\r
+ \r
+ public Map<IActionCategory, List<Action>> getActions(ReadGraph graph, NodeContext parent, Collection<NodeContext> all) throws DatabaseException {\r
+ NodeType nodeType = getNodeType(graph, parent);\r
+ if(nodeType == null)\r
+ return Collections.emptyMap();\r
+ THashMap<IActionCategory, List<Action>> map = new THashMap<IActionCategory, List<Action>>();\r
+ for(ActionContribution contribution : actionContributions.get(graph, nodeType)) { \r
+ CategorizedAction action = contribution.getAction(graph, parent, all);\r
+ if(action != null) {\r
+ List<Action> actions = map.get(action.category);\r
+ if(actions == null) {\r
+ actions = new ArrayList<Action>();\r
+ map.put(action.category, actions);\r
+ }\r
+ actions.add(action.action);\r
+ }\r
+ }\r
+ return map;\r
+ }\r
+\r
+ @Override\r
+ public int hashCode() {\r
+ return Arrays.hashCode(uris);\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
+ ActionBrowseContext other = (ActionBrowseContext) obj;\r
+ return Arrays.equals(uris, other.uris);\r
+ }\r
+\r
+ @Override\r
+ public String toString() {\r
+ return getClass().getSimpleName() + Arrays.toString(uris);\r
+ }\r
+\r
+ /*\r
+ * This is an attempt to improve removal logic with SpecialNodeTypes. However it\r
+ * should not be considered as a final solution.\r
+ */\r
+ public boolean canRemove(ReadGraph graph, NodeContext parent) throws DatabaseException {\r
+ return testContributions(graph, parent, removalContributions, removableNodeTypes);\r
+ }\r
+\r
+ /*\r
+ * This is an attempt to improve renaming logic with SpecialNodeTypes. However it\r
+ * should not be considered as a final solution.\r
+ */\r
+ public boolean canRename(ReadGraph graph, NodeContext parent) throws DatabaseException {\r
+ return testContributions(graph, parent, renamingContributions, renameableNodeTypes);\r
+ }\r
+\r
+ private boolean testContributions(\r
+ ReadGraph graph,\r
+ NodeContext parent,\r
+ NodeTypeMultiMap<TestContribution> contributions,\r
+ Set<Resource> allowedSpecialTypes) throws DatabaseException {\r
+ NodeType nodeType = getNodeType(graph, parent);\r
+ if (nodeType == null)\r
+ // Return true for now if node type is not available\r
+ // to prevent older and more custom solutions such as\r
+ // property view tables from breaking up.\r
+ return true;\r
+\r
+ // TODO: this is a previous temporary solution that should probably be removed\r
+ if (nodeType instanceof SpecialNodeType\r
+ && allowedSpecialTypes.contains(((SpecialNodeType) nodeType).resource))\r
+ return true;\r
+\r
+ for (TestContribution contribution : contributions.get(graph, nodeType)) { \r
+ if (!contribution.test(graph, parent))\r
+ return false;\r
+ }\r
+ return true;\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff