+ refactoring of the JCR UI Model (in a MVC point of view)

[lgpl/argeo-commons.git] / server / plugins / org.argeo.jcr.ui.explorer / src / main / java / org / argeo / jcr / ui / explorer / commands / GetNodeSize.java

diff --git a/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/commands/GetNodeSize.java b/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/commands/GetNodeSize.java
new file mode 100644 (file)
index 0000000..5dab8cf
--- /dev/null
+++ b/server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/commands/GetNodeSize.java
@@ -0,0 +1,70 @@
+package org.argeo.jcr.ui.explorer.commands;
+
+import javax.jcr.Node;
+
+import org.argeo.eclipse.ui.ErrorFeedback;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
+import org.argeo.jcr.ui.explorer.model.SingleJcrNode;
+import org.argeo.jcr.ui.explorer.model.WorkspaceNode;
+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.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.handlers.HandlerUtil;
+
+/** Opens the generic node editor. */
+public class GetNodeSize extends AbstractHandler {
+       // private final static Log log = LogFactory.getLog(GetNodeSize.class);
+
+       public final static String ID = "org.argeo.jcr.ui.explorer.getNodeSize";
+       public final static String DEFAULT_ICON_REL_PATH = "icons/getSize.gif";
+       public final static String DEFAULT_LABEL = JcrExplorerPlugin
+                       .getMessage("getNodeSizeCmdLbl");
+
+       public Object execute(ExecutionEvent event) throws ExecutionException {
+               // JcrUtils.getRepositoryByAlias(repositoryRegister,
+               // ArgeoJcrConstants.ALIAS_NODE);
+
+               ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event)
+                               .getActivePage().getSelection();
+               GenericJcrBrowser view = (GenericJcrBrowser) HandlerUtil
+                               .getActiveWorkbenchWindow(event).getActivePage()
+                               .findView(HandlerUtil.getActivePartId(event));
+
+               if (selection != null && !selection.isEmpty()
+                               && selection instanceof IStructuredSelection) {
+
+                       // We only get
+                       IStructuredSelection iss = (IStructuredSelection) selection;
+                       if (iss.size() > 1)
+                               ErrorFeedback.show(JcrExplorerPlugin
+                                               .getMessage("warningInvalidMultipleSelection"), null);
+
+                       long size = 0;
+                       Node node;
+                       if (iss.getFirstElement() instanceof SingleJcrNode)
+                               node = ((SingleJcrNode) iss.getFirstElement()).getNode();
+                       else if (iss.getFirstElement() instanceof WorkspaceNode)
+                               node = ((WorkspaceNode) iss.getFirstElement()).getRootNode();
+                       else
+                               // unvalid object type
+                               return null;
+
+                       size = JcrUtils.getNodeApproxSize(node);
+
+                       String[] labels = { "OK" };
+                       Shell shell = HandlerUtil.getActiveWorkbenchWindow(event)
+                                       .getShell();
+                       MessageDialog md = new MessageDialog(shell, "Node size", null,
+                                       "Node size is: " + size / 1024 + " KB",
+                                       MessageDialog.INFORMATION, labels, 0);
+                       md.open();
+               }
+               return null;
+       }
+}