New project conventions (builds)

[lgpl/argeo-commons.git] / org.argeo.jcr.ui.explorer / src / org / argeo / jcr / ui / explorer / commands / Refresh.java

diff --git a/org.argeo.jcr.ui.explorer/src/org/argeo/jcr/ui/explorer/commands/Refresh.java b/org.argeo.jcr.ui.explorer/src/org/argeo/jcr/ui/explorer/commands/Refresh.java
new file mode 100644 (file)
index 0000000..21ce256
--- /dev/null
+++ b/org.argeo.jcr.ui.explorer/src/org/argeo/jcr/ui/explorer/commands/Refresh.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.jcr.ui.explorer.commands;
+
+import java.util.Iterator;
+
+import org.argeo.eclipse.ui.TreeParent;
+import org.argeo.eclipse.ui.jcr.views.AbstractJcrBrowser;
+import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
+import org.argeo.jcr.ui.explorer.utils.JcrUiUtils;
+import org.argeo.jcr.ui.explorer.views.GenericJcrBrowser;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+/**
+ * Force the selected objects of the active view to be refreshed doing the
+ * following:
+ * <ol>
+ * <li>The model objects are recomputed</li>
+ * <li>the view is refreshed</li>
+ * </ol>
+ */
+public class Refresh extends AbstractHandler {
+
+       public final static String ID = JcrExplorerPlugin.ID + ".refresh";
+
+       public Object execute(ExecutionEvent event) throws ExecutionException {
+
+               AbstractJcrBrowser view = (AbstractJcrBrowser) JcrExplorerPlugin
+                               .getDefault().getWorkbench().getActiveWorkbenchWindow()
+                               .getActivePage().getActivePart();//
+
+               ISelection selection = JcrExplorerPlugin.getDefault().getWorkbench()
+                               .getActiveWorkbenchWindow().getActivePage().getSelection();
+
+               if (selection != null && selection instanceof IStructuredSelection
+                               && !selection.isEmpty()) {
+                       Iterator<?> it = ((IStructuredSelection) selection).iterator();
+                       while (it.hasNext()) {
+                               Object obj = it.next();
+                               if (obj instanceof TreeParent) {
+                                       TreeParent tp = (TreeParent) obj;
+                                       JcrUiUtils.forceRefreshIfNeeded(tp);
+                                       view.refresh(obj);
+                               }
+                       }
+               } else if (view instanceof GenericJcrBrowser)
+                       ((GenericJcrBrowser) view).refresh(null); // force full refresh
+
+               return null;
+       }
+}