-/*******************************************************************************\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.dnd;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.HashSet;\r
-\r
-import org.eclipse.swt.dnd.DND;\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.nodetypes.EntityNodeType;\r
-import org.simantics.browsing.ui.model.nodetypes.NodeType;\r
-import org.simantics.browsing.ui.model.nodetypes.OrderedNodeTypeMultiMap;\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
-public class DndBrowseContext {\r
- OrderedNodeTypeMultiMap<DropActionContribution> dropActionContributions = new OrderedNodeTypeMultiMap<DropActionContribution>();\r
- \r
- private DndBrowseContext() {\r
- }\r
- \r
- public static DndBrowseContext create(ReadGraph g, Collection<Resource> browseContextResources) throws DatabaseException, InvalidContribution {\r
- ViewpointResource vr = ViewpointResource.getInstance(g);\r
- DndBrowseContext browseContext = new DndBrowseContext();\r
- for(Resource browseContextResource : findSubcontexts(g, browseContextResources)) {\r
- for(Resource actionContributionResource : \r
- g.getObjects(browseContextResource, vr.BrowseContext_HasDropActionContribution)) {\r
- DropActionContribution.load(g, actionContributionResource,\r
- browseContext.dropActionContributions\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
- /**\r
- * Returns drop copy action.\r
- */\r
- public Runnable getAction(ReadGraph graph, NodeContext target, Object source) throws DatabaseException {\r
- return getAction(graph, target, source, DND.DROP_COPY);\r
- }\r
- \r
- /**\r
- * Return drop operation for given operation. @See org.eclipse.swt.dnd.DND\r
- */\r
- public Runnable getAction(ReadGraph graph, NodeContext target, Object source, int operation) throws DatabaseException {\r
- NodeType nodeType = getNodeType(graph, target);\r
- if(nodeType == null)\r
- return null;\r
- for(DropActionContribution contribution : dropActionContributions.get(graph, nodeType)) {\r
- Runnable action = contribution.getAction(graph, target, source, operation);\r
- if(action != null)\r
- return action;\r
- }\r
- return null;\r
- }\r
-}\r
+/*******************************************************************************
+ * 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.dnd;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+
+import org.eclipse.swt.dnd.DND;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.model.InvalidContribution;
+import org.simantics.browsing.ui.model.nodetypes.EntityNodeType;
+import org.simantics.browsing.ui.model.nodetypes.NodeType;
+import org.simantics.browsing.ui.model.nodetypes.OrderedNodeTypeMultiMap;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.viewpoint.ontology.ViewpointResource;
+
+public class DndBrowseContext {
+ OrderedNodeTypeMultiMap<DropActionContribution> dropActionContributions = new OrderedNodeTypeMultiMap<DropActionContribution>();
+
+ private DndBrowseContext() {
+ }
+
+ public static DndBrowseContext create(ReadGraph g, Collection<Resource> browseContextResources) throws DatabaseException, InvalidContribution {
+ ViewpointResource vr = ViewpointResource.getInstance(g);
+ DndBrowseContext browseContext = new DndBrowseContext();
+ for(Resource browseContextResource : findSubcontexts(g, browseContextResources)) {
+ for(Resource actionContributionResource :
+ g.getObjects(browseContextResource, vr.BrowseContext_HasDropActionContribution)) {
+ DropActionContribution.load(g, actionContributionResource,
+ browseContext.dropActionContributions
+ );
+ }
+ }
+ return browseContext;
+ }
+
+ private static Collection<Resource> findSubcontexts(ReadGraph g,
+ Collection<Resource> browseContexts) throws DatabaseException {
+ ViewpointResource vr = ViewpointResource.getInstance(g);
+ HashSet<Resource> result = new HashSet<Resource>(browseContexts);
+ ArrayList<Resource> stack = new ArrayList<Resource>(browseContexts);
+ while(!stack.isEmpty()) {
+ Resource cur = stack.remove(stack.size()-1);
+ for(Resource sc : g.getObjects(cur, vr.BrowseContext_Includes))
+ if(result.add(sc))
+ stack.add(sc);
+ }
+ return result;
+ }
+
+ private static NodeType getNodeType(ReadGraph graph, NodeContext parent) throws DatabaseException {
+ NodeType nodeType = parent.getConstant(NodeType.TYPE);
+ if(nodeType == null) {
+ // TODO remove this code when root of model browser is fixed
+ Object input = parent.getConstant(BuiltinKeys.INPUT);
+ if(input instanceof Resource)
+ nodeType = EntityNodeType.getNodeTypeFor(graph, (Resource)input);
+ }
+ return nodeType;
+ }
+
+ /**
+ * Returns drop copy action.
+ */
+ public Runnable getAction(ReadGraph graph, NodeContext target, Object source) throws DatabaseException {
+ return getAction(graph, target, source, DND.DROP_COPY);
+ }
+
+ /**
+ * Return drop operation for given operation. @See org.eclipse.swt.dnd.DND
+ */
+ public Runnable getAction(ReadGraph graph, NodeContext target, Object source, int operation) throws DatabaseException {
+ NodeType nodeType = getNodeType(graph, target);
+ if(nodeType == null)
+ return null;
+ for(DropActionContribution contribution : dropActionContributions.get(graph, nodeType)) {
+ Runnable action = contribution.getAction(graph, target, source, operation);
+ if(action != null)
+ return action;
+ }
+ return null;
+ }
+}
Code Review / simantics / platform.git / blobdiff