Generalize extension point for opening object in taxeditor

[taxeditor.git] / eu.etaxonomy.taxeditor.store / src / main / java / eu / etaxonomy / taxeditor / view / CdmViewerContextMenu.java

diff --git a/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/CdmViewerContextMenu.java b/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/CdmViewerContextMenu.java
index 712bec9d8a40c91ee3024b635122163b36d2e5a8..baae7e71c5947abb9dbf11d4df5504042e00c454 100644 (file)
--- a/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/CdmViewerContextMenu.java
+++ b/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/CdmViewerContextMenu.java
@@ -1,8 +1,13 @@
 package eu.etaxonomy.taxeditor.view;
 
+import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.UUID;
 
+import org.eclipse.core.commands.Command;
+import org.eclipse.core.commands.ParameterizedCommand;
+import org.eclipse.core.commands.common.NotDefinedException;
 import org.eclipse.jface.action.ContributionItem;
 import org.eclipse.jface.action.IContributionItem;
 import org.eclipse.jface.viewers.ISelection;
@@ -15,6 +20,11 @@ import org.eclipse.swt.widgets.MenuItem;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.actions.CompoundContributionItem;
+import org.eclipse.ui.commands.ICommandService;
+import org.eclipse.ui.handlers.IHandlerService;
+
+import eu.etaxonomy.cdm.model.common.ICdmBase;
+import eu.etaxonomy.taxeditor.model.MessagingUtils;
 
 /**
  * Generic context menu for opening elements in the taxeditor.
@@ -28,20 +38,34 @@ public class CdmViewerContextMenu extends CompoundContributionItem {
                 new ContributionItem() {
                     @Override
                     public void fill(Menu menu, int index) {
-                        MenuItem addItem = new MenuItem(menu, SWT.CASCADE);
-                        addItem.setText("Open in...");
-                        Menu addMenu = new Menu(menu);
-                        addItem.setMenu(addMenu);
                         final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
                         final ISelection selection = window.getActivePage().getSelection();
                         if(selection instanceof IStructuredSelection){
                             Object firstElement = ((IStructuredSelection) selection).getFirstElement();
-                            Map<Entry<Class<?>, String>, ICdmViewer> nameViewerMap = CdmViewerUtil.getNameViewerMap(firstElement);
-                            for(Entry<Entry<Class<?>, String>, ICdmViewer> entry:nameViewerMap.entrySet()){
-                                Entry<Class<?>, String> viewerClass = entry.getKey();
-                                MenuItem menuItem = new MenuItem(addMenu, SWT.NONE);
-                                menuItem.setText(viewerClass.getValue());
-                                menuItem.addSelectionListener(new OpenInViewerListener(entry.getValue(), firstElement, viewerClass.getKey()));
+                            Map<String, String> availableViewers = CdmViewerUtil.getAvailableViewers(firstElement);
+                            //if only one viewer/command is available then show only this one
+                            if(availableViewers.size()==1){
+                                //else show a list of possible viewers/commands
+                                Entry<String, String> entry = availableViewers.entrySet().iterator().next();
+                                final String commandId = entry.getKey();
+                                String viewerName = entry.getValue();
+                                MenuItem addItem = new MenuItem(menu, SWT.CASCADE);
+                                addItem.setText(String.format("Open (%s)", viewerName));
+                                addItem.addSelectionListener(new CommandInvoker(commandId, firstElement)) ;
+                            }
+                            else if (availableViewers.size()>1){
+                                //else show a list of possible viewers/commands
+                                MenuItem addItem = new MenuItem(menu, SWT.CASCADE);
+                                addItem.setText("Open in...");
+                                Menu addMenu = new Menu(menu);
+                                addItem.setMenu(addMenu);
+                                for(Entry<String, String> entry:availableViewers.entrySet()){
+                                    final String commandId = entry.getKey();
+                                    String viewerName = entry.getValue();
+                                    MenuItem menuItem = new MenuItem(addMenu, SWT.NONE);
+                                    menuItem.setText(viewerName);
+                                    menuItem.addSelectionListener(new CommandInvoker(commandId, firstElement)) ;
+                                }
                             }
                         }
                     }
@@ -50,24 +74,37 @@ public class CdmViewerContextMenu extends CompoundContributionItem {
         return contributionItems;
     }
 
-    private class OpenInViewerListener extends SelectionAdapter {
+    private final class CommandInvoker extends SelectionAdapter {
+        private final String commandId;
+        private final Object selectedObject;
 
-        private final ICdmViewer cdmViewer;
-        private final Object input;
-        private final Class<?> viewerClass;
-
-        public OpenInViewerListener(ICdmViewer cdmViewer, Object input, Class<?> viewerClass) {
-            super();
-            this.cdmViewer = cdmViewer;
-            this.input = input;
-            this.viewerClass = viewerClass;
+        private CommandInvoker(String commandId, Object selectedObject) {
+            this.commandId = commandId;
+            this.selectedObject = selectedObject;
         }
 
         @Override
         public void widgetSelected(SelectionEvent e) {
-            cdmViewer.show(input, viewerClass);
-        }
+            ICommandService commandService = (ICommandService)PlatformUI.getWorkbench().getService(ICommandService.class);
 
+            Command command = commandService.getCommand(commandId);
+            if(command.isEnabled()) {
+                IHandlerService handlerService = (IHandlerService)PlatformUI.getWorkbench().getService(IHandlerService.class);
+                Map<String, UUID> params = new HashMap<String, UUID>();
+                if(selectedObject instanceof ICdmBase){
+                    params.put(commandId+".uuid", ((ICdmBase) selectedObject).getUuid());
+                }
+                ParameterizedCommand parameterizedCommand = ParameterizedCommand.generateCommand(command, params);
+                try {
+                    handlerService.executeCommand(parameterizedCommand, null);
+                } catch (NotDefinedException nde) {
+                    throw new RuntimeException("Could not find open command: " + commandId);
+                } catch (Exception exception) {
+                    MessagingUtils.error(getClass(), "An exception occured while trying execute "+commandId, exception);
+                }
+                PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection();
+            }
+        }
     }
 
 }