dist/commands/DisplayRepoInformation.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.dist.commands;
  17
  18 import javax.jcr.RepositoryException;
  19 import javax.jcr.Session;
  20
  21 import org.argeo.jcr.JcrUtils;
  22 import org.argeo.slc.SlcException;
  23 import org.argeo.slc.client.ui.dist.DistPlugin;
  24 import org.argeo.slc.client.ui.dist.model.RepoElem;
  25 import org.eclipse.core.commands.AbstractHandler;
  26 import org.eclipse.core.commands.ExecutionEvent;
  27 import org.eclipse.core.commands.ExecutionException;
  28 import org.eclipse.jface.dialogs.Dialog;
  29 import org.eclipse.jface.dialogs.IDialogConstants;
  30 import org.eclipse.jface.resource.ImageDescriptor;
  31 import org.eclipse.jface.viewers.IStructuredSelection;
  32 import org.eclipse.swt.SWT;
  33 import org.eclipse.swt.graphics.Point;
  34 import org.eclipse.swt.layout.GridData;
  35 import org.eclipse.swt.layout.GridLayout;
  36 import org.eclipse.swt.widgets.Button;
  37 import org.eclipse.swt.widgets.Composite;
  38 import org.eclipse.swt.widgets.Control;
  39 import org.eclipse.swt.widgets.Label;
  40 import org.eclipse.swt.widgets.Shell;
  41 import org.eclipse.swt.widgets.Text;
  42 import org.eclipse.ui.handlers.HandlerUtil;
  43
  44 /**
  45  * Opens a popup that displays various information on the current reppository.
  46  */
  47 public class DisplayRepoInformation extends AbstractHandler {
  48         public final static String ID = DistPlugin.ID + ".displayRepoInformation";
  49         public final static String DEFAULT_LABEL = "Repository infos";
  50         public final static ImageDescriptor DEFAULT_ICON = DistPlugin
  51                         .getImageDescriptor("icons/help.gif");
  52
  53         public Object execute(ExecutionEvent event) throws ExecutionException {
  54                 IStructuredSelection iss = (IStructuredSelection) HandlerUtil
  55                                 .getActiveSite(event).getSelectionProvider().getSelection();
  56                 if (iss.getFirstElement() instanceof RepoElem) {
  57                         RepoElem re = (RepoElem) iss.getFirstElement();
  58                         InformationDialog inputDialog = new InformationDialog(HandlerUtil
  59                                         .getActiveSite(event).getShell());
  60                         inputDialog.create();
  61                         Session session = null;
  62                         try {
  63                                 session = re.getRepository().login(re.getCredentials());
  64                                 inputDialog.loginTxt.setText(session.getUserID());
  65                                 inputDialog.nameTxt.setText(re.getLabel());
  66                                 inputDialog.uriTxt.setText(re.getUri());
  67                                 inputDialog.readOnlyBtn.setSelection(re.isReadOnly());
  68                         } catch (RepositoryException e) {
  69                                 throw new SlcException("Unexpected error while "
  70                                                 + "getting repository information.", e);
  71                         } finally {
  72                                 JcrUtils.logoutQuietly(session);
  73                         }
  74                         inputDialog.open();
  75                 }
  76                 return null;
  77         }
  78
  79         private class InformationDialog extends Dialog {
  80                 Text nameTxt;
  81                 Text uriTxt;
  82                 Text loginTxt;
  83                 Button readOnlyBtn;
  84
  85                 @Override
  86                 protected void createButtonsForButtonBar(Composite parent) {
  87                         // No Cancel button
  88                         createButton(parent, IDialogConstants.OK_ID, "OK", true);
  89                 }
  90
  91                 public InformationDialog(Shell parentShell) {
  92                         super(parentShell);
  93                 }
  94
  95                 protected Point getInitialSize() {
  96                         return new Point(500, 250);
  97                 }
  98
  99                 protected Control createDialogArea(Composite parent) {
 100                         Composite dialogarea = (Composite) super.createDialogArea(parent);
 101                         dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
 102                                         true));
 103                         Composite composite = new Composite(dialogarea, SWT.NONE);
 104                         GridLayout layout = new GridLayout(2, false);
 105                         layout.horizontalSpacing = 15;
 106                         composite.setLayout(layout);
 107                         GridData gd = new GridData(SWT.FILL, SWT.FILL, true, false);
 108                         composite.setLayoutData(gd);
 109
 110                         nameTxt = createLT(composite, "Name");
 111                         uriTxt = createLT(composite, "URI");
 112                         loginTxt = createLT(composite, "Logged as");
 113                         readOnlyBtn = createLC(composite, "Read only");
 114                         parent.pack();
 115                         return composite;
 116                 }
 117
 118                 /** Creates label and text. */
 119                 protected Text createLT(Composite parent, String label) {
 120                         new Label(parent, SWT.NONE).setText(label);
 121                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.NONE);
 122                         text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 123                         text.setEditable(false);
 124                         return text;
 125                 }
 126
 127                 /** Creates label and check. */
 128                 protected Button createLC(Composite parent, String label) {
 129                         new Label(parent, SWT.NONE).setText(label);
 130                         Button check = new Button(parent, SWT.CHECK);
 131                         check.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 132                         check.setEnabled(false);
 133                         return check;
 134                 }
 135
 136                 protected void configureShell(Shell shell) {
 137                         super.configureShell(shell);
 138                         shell.setText("Repository information");
 139                 }
 140         }
 141 }