+package org.simantics.document.linking.ge;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Map;\r
+\r
+import org.eclipse.jface.viewers.ISelectionProvider;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.ui.IWorkbenchSite;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.common.ErrorLogger;\r
+import org.simantics.browsing.ui.model.InvalidContribution;\r
+import org.simantics.browsing.ui.model.dnd.DndBrowseContext;\r
+import org.simantics.browsing.ui.swt.DefaultExplorerSelectionListener;\r
+import org.simantics.browsing.ui.swt.widgets.GraphExplorerComposite;\r
+import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.Procedure;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.ui.SimanticsUI;\r
+\r
+public class SourceLinkExplorerComposite extends GraphExplorerComposite {\r
+ \r
+ volatile DndBrowseContext dndBrowseContext;\r
+ private IWorkbenchSite site;\r
+ private MultiSelectionProvider provider;\r
+ \r
+ public SourceLinkExplorerComposite(Map<String, Object> args, MultiSelectionProvider provider, IWorkbenchSite site, Composite parent, WidgetSupport support, int style) {\r
+ super(args, site, parent, support, style);\r
+ this.site = site;\r
+ this.provider = provider;\r
+ attachDND();\r
+ \r
+ }\r
+ \r
+ public SourceLinkExplorerComposite(Map<String, Object> args, MultiSelectionProvider provider, IWorkbenchSite site, Composite parent, WidgetSupport support, boolean useDND, int style) {\r
+ super(args, site, parent, support, style);\r
+ this.site = site;\r
+ this.provider = provider;\r
+ if (useDND)\r
+ attachDND();\r
+ }\r
+ \r
+ private void attachDND() {\r
+ SimanticsUI.getSession().asyncRequest(new ReadRequest() {\r
+ @Override\r
+ public void run(ReadGraph graph) throws DatabaseException { \r
+ ArrayList<Resource> browseContexts = new ArrayList<Resource>();\r
+ for (String uri : getBrowseContexts()) {\r
+ Resource browseContext = graph.getPossibleResource(uri);\r
+ if (browseContext != null)\r
+ browseContexts.add(browseContext);\r
+ }\r
+ try {\r
+ dndBrowseContext = DndBrowseContext.create(graph, browseContexts);\r
+ } catch (InvalidContribution e) {\r
+ ErrorLogger.defaultLogError(e);\r
+ }\r
+ }\r
+ });\r
+ }\r
+ \r
+ @Override\r
+ protected void handleDrop(final Object data, final NodeContext target) {\r
+ if (target == null)\r
+ return;\r
+\r
+ SimanticsUI.getSession().asyncRequest(new Read<Runnable>() {\r
+ @Override\r
+ public Runnable perform(ReadGraph graph) throws DatabaseException {\r
+ if (dndBrowseContext == null)\r
+ return null;\r
+ return dndBrowseContext.getAction(graph, target, data);\r
+ }\r
+ }, new Procedure<Runnable>() {\r
+ @Override\r
+ public void execute(Runnable result) {\r
+ if (result != null)\r
+ result.run();\r
+ }\r
+\r
+ @Override\r
+ public void exception(Throwable t) {\r
+ ErrorLogger.defaultLogError(t);\r
+ }\r
+ });\r
+ }\r
+ \r
+ public void setWorkbenchListeners() {\r
+ if (workbenchSelectionListener == null && site != null) {\r
+ ISelectionProvider selectionProvider = (ISelectionProvider) explorer.getAdapter(ISelectionProvider.class);\r
+ //site.setSelectionProvider(selectionProvider);\r
+ provider.addSelectionProvider(selectionProvider);\r
+\r
+ // Listen to the workbench selection also to propagate it to\r
+ // the explorer also.\r
+ workbenchSelectionListener = new DefaultExplorerSelectionListener(site.getPage().getActivePart(), explorer);\r
+ //System.out.println("ADD WORKBENCH SELECTION LISTENER: " + workbenchSelectionListener);\r
+ site.getWorkbenchWindow().getSelectionService().addPostSelectionListener(workbenchSelectionListener);\r
+ }\r
+ }\r
+ \r
+\r
+}\r