X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Fge%2FSourceLinkExplorerComposite.java;fp=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Fge%2FSourceLinkExplorerComposite.java;h=caf7348b575cb48c9351dae659aa9a507d931173;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/ge/SourceLinkExplorerComposite.java b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/ge/SourceLinkExplorerComposite.java
new file mode 100644
index 000000000..caf7348b5
--- /dev/null
+++ b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/ge/SourceLinkExplorerComposite.java
@@ -0,0 +1,106 @@
+package org.simantics.document.linking.ge;
+
+import java.util.ArrayList;
+import java.util.Map;
+
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.IWorkbenchSite;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.ErrorLogger;
+import org.simantics.browsing.ui.model.InvalidContribution;
+import org.simantics.browsing.ui.model.dnd.DndBrowseContext;
+import org.simantics.browsing.ui.swt.DefaultExplorerSelectionListener;
+import org.simantics.browsing.ui.swt.widgets.GraphExplorerComposite;
+import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.Procedure;
+import org.simantics.db.request.Read;
+import org.simantics.ui.SimanticsUI;
+
+public class SourceLinkExplorerComposite extends GraphExplorerComposite {
+	
+	volatile DndBrowseContext dndBrowseContext;
+	private IWorkbenchSite site;
+	private MultiSelectionProvider provider;
+	
+    public SourceLinkExplorerComposite(Map<String, Object> args, MultiSelectionProvider provider, IWorkbenchSite site, Composite parent,  WidgetSupport support, int style) {
+        super(args, site, parent, support, style);
+        this.site = site;
+        this.provider = provider;
+        attachDND();
+        
+    }
+    
+    public SourceLinkExplorerComposite(Map<String, Object> args, MultiSelectionProvider provider, IWorkbenchSite site, Composite parent,  WidgetSupport support, boolean useDND, int style) {
+        super(args, site, parent, support, style);
+        this.site = site;
+        this.provider = provider;
+        if (useDND)
+        	attachDND();
+    }
+    
+    private void attachDND() {
+    	SimanticsUI.getSession().asyncRequest(new ReadRequest() {
+            @Override
+            public void run(ReadGraph graph) throws DatabaseException { 
+                ArrayList<Resource> browseContexts = new ArrayList<Resource>();
+                for (String uri : getBrowseContexts()) {
+                    Resource browseContext = graph.getPossibleResource(uri);
+                    if (browseContext != null)
+                        browseContexts.add(browseContext);
+                }
+                try {
+                    dndBrowseContext = DndBrowseContext.create(graph, browseContexts);
+                } catch (InvalidContribution e) {
+                    ErrorLogger.defaultLogError(e);
+                }
+            }
+        });
+    }
+    
+    @Override
+    protected void handleDrop(final Object data, final NodeContext target) {
+        if (target == null)
+            return;
+
+        SimanticsUI.getSession().asyncRequest(new Read<Runnable>() {
+            @Override
+            public Runnable perform(ReadGraph graph) throws DatabaseException {
+                if (dndBrowseContext == null)
+                    return null;
+                return dndBrowseContext.getAction(graph, target, data);
+            }
+        }, new Procedure<Runnable>() {
+            @Override
+            public void execute(Runnable result) {
+                if (result != null)
+                    result.run();
+            }
+
+            @Override
+            public void exception(Throwable t) {
+                ErrorLogger.defaultLogError(t);
+            }
+        });
+    }
+    
+    public void setWorkbenchListeners() {
+        if (workbenchSelectionListener == null && site != null) {
+            ISelectionProvider selectionProvider = (ISelectionProvider) explorer.getAdapter(ISelectionProvider.class);
+            //site.setSelectionProvider(selectionProvider);
+            provider.addSelectionProvider(selectionProvider);
+
+            // Listen to the workbench selection also to propagate it to
+            // the explorer also.
+            workbenchSelectionListener = new DefaultExplorerSelectionListener(site.getPage().getActivePart(), explorer);
+            //System.out.println("ADD WORKBENCH SELECTION LISTENER: " + workbenchSelectionListener);
+            site.getWorkbenchWindow().getSelectionService().addPostSelectionListener(workbenchSelectionListener);
+        }
+    }
+	
+
+}