plugins/org.argeo.slc.client.ui/src/main/java/org/argeo/slc/client/ui/commands/RefreshJcrResultTreeView.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.client.ui.commands;
  17
  18 /*
  19  * Copyright (C) 2007-2012 Mathieu Baudier
  20  *
  21  * Licensed under the Apache License, Version 2.0 (the "License");
  22  * you may not use this file except in compliance with the License.
  23  * You may obtain a copy of the License at
  24  *
  25  *         http://www.apache.org/licenses/LICENSE-2.0
  26  *
  27  * Unless required by applicable law or agreed to in writing, software
  28  * distributed under the License is distributed on an "AS IS" BASIS,
  29  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  30  * See the License for the specific language governing permissions and
  31  * limitations under the License.
  32  */
  33
  34 import java.util.Iterator;
  35
  36 import org.argeo.slc.client.ui.ClientUiPlugin;
  37 import org.argeo.slc.client.ui.model.ResultParent;
  38 import org.argeo.slc.client.ui.views.JcrResultTreeView;
  39 import org.eclipse.core.commands.AbstractHandler;
  40 import org.eclipse.core.commands.ExecutionEvent;
  41 import org.eclipse.core.commands.ExecutionException;
  42 import org.eclipse.jface.viewers.IStructuredSelection;
  43 import org.eclipse.ui.handlers.HandlerUtil;
  44
  45 /**
  46  * Force refresh the ResultTreeView. This command is only intended to be called
  47  * by either the toolbar menu of the view or by the popup menu. Refresh due to
  48  * data changes must be triggered by Observers
  49  */
  50 public class RefreshJcrResultTreeView extends AbstractHandler {
  51         public final static String ID = ClientUiPlugin.ID
  52                         + ".refreshJcrResultTreeView";
  53         public final static String PARAM_REFRESH_TYPE = ClientUiPlugin.ID
  54                         + ".param.refreshType";
  55         public final static String PARAM_REFRESH_TYPE_FULL = "fullRefresh";
  56
  57         public Object execute(final ExecutionEvent event) throws ExecutionException {
  58                 String refreshType = event.getParameter(PARAM_REFRESH_TYPE);
  59                 JcrResultTreeView view = (JcrResultTreeView) HandlerUtil
  60                                 .getActiveWorkbenchWindow(event).getActivePage()
  61                                 .getActivePart();
  62
  63                 // force full refresh without preserving selection from the tool bar
  64                 if (PARAM_REFRESH_TYPE_FULL.equals(refreshType))
  65                         view.refresh(null);
  66                 else {
  67                         IStructuredSelection selection = (IStructuredSelection) HandlerUtil
  68                                         .getActiveWorkbenchWindow(event).getActivePage()
  69                                         .getSelection();
  70                         @SuppressWarnings("rawtypes")
  71                         Iterator it = selection.iterator();
  72                         while (it.hasNext()) {
  73                                 Object obj = it.next();
  74                                 if (obj instanceof ResultParent) {
  75                                         view.refresh((ResultParent) obj);
  76                                 }
  77                         }
  78                 }
  79                 return null;
  80         }
  81 }