org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/wizards/RenameTraceDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Francois Chouinard - Copied and adapted from NewFolderDialog
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.project.wizards;
  14
  15 import java.lang.reflect.InvocationTargetException;
  16
  17 import org.eclipse.core.resources.IContainer;
  18 import org.eclipse.core.resources.IFile;
  19 import org.eclipse.core.resources.IFolder;
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.resources.IWorkspace;
  22 import org.eclipse.core.runtime.CoreException;
  23 import org.eclipse.core.runtime.IPath;
  24 import org.eclipse.core.runtime.IProgressMonitor;
  25 import org.eclipse.core.runtime.IStatus;
  26 import org.eclipse.core.runtime.OperationCanceledException;
  27 import org.eclipse.core.runtime.Path;
  28 import org.eclipse.core.runtime.Status;
  29 import org.eclipse.jface.dialogs.IDialogConstants;
  30 import org.eclipse.jface.dialogs.MessageDialog;
  31 import org.eclipse.linuxtools.internal.tmf.ui.TmfUiPlugin;
  32 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectElement;
  33 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  34 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  35 import org.eclipse.osgi.util.NLS;
  36 import org.eclipse.swt.SWT;
  37 import org.eclipse.swt.graphics.Font;
  38 import org.eclipse.swt.layout.GridData;
  39 import org.eclipse.swt.layout.GridLayout;
  40 import org.eclipse.swt.widgets.Composite;
  41 import org.eclipse.swt.widgets.Control;
  42 import org.eclipse.swt.widgets.Event;
  43 import org.eclipse.swt.widgets.Label;
  44 import org.eclipse.swt.widgets.Listener;
  45 import org.eclipse.swt.widgets.Shell;
  46 import org.eclipse.swt.widgets.Text;
  47 import org.eclipse.ui.PlatformUI;
  48 import org.eclipse.ui.actions.WorkspaceModifyOperation;
  49 import org.eclipse.ui.dialogs.SelectionStatusDialog;
  50
  51 /**
  52  * <b><u>RenameTraceDialog</u></b>
  53  * <p>
  54  */
  55 public class RenameTraceDialog extends SelectionStatusDialog {
  56
  57     // ------------------------------------------------------------------------
  58     // Members
  59     // ------------------------------------------------------------------------
  60
  61     private final TmfTraceElement fTrace;
  62     private Text fNewTraceNameText;
  63     private String fNewTraceName;
  64     private IContainer fTraceFolder;
  65     private TmfProjectElement fProject;
  66
  67     // ------------------------------------------------------------------------
  68     // Constructor
  69     // ------------------------------------------------------------------------
  70
  71     public RenameTraceDialog(Shell shell, TmfTraceElement trace) {
  72         super(shell);
  73         fTrace = trace;
  74         TmfTraceFolder folder = (TmfTraceFolder) trace.getParent();
  75         fTraceFolder = folder.getResource();
  76         fProject = trace.getProject();
  77         setTitle(Messages.RenameTraceDialog_DialogTitle);
  78         setStatusLineAboveButtons(true);
  79     }
  80
  81     // ------------------------------------------------------------------------
  82     // Dialog
  83     // ------------------------------------------------------------------------
  84
  85     @Override
  86     protected Control createDialogArea(Composite parent) {
  87         Composite composite = (Composite) super.createDialogArea(parent);
  88         composite.setLayout(new GridLayout());
  89         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  90
  91         createNewTraceNameGroup(composite);
  92         return composite;
  93     }
  94
  95     private void createNewTraceNameGroup(Composite parent) {
  96         Font font = parent.getFont();
  97         Composite folderGroup = new Composite(parent, SWT.NONE);
  98         GridLayout layout = new GridLayout();
  99         layout.numColumns = 2;
 100         folderGroup.setLayout(layout);
 101         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 102
 103         // Old trace name label
 104         Label oldTraceLabel = new Label(folderGroup, SWT.NONE);
 105         oldTraceLabel.setFont(font);
 106         oldTraceLabel.setText(Messages.RenameTraceDialog_TraceName);
 107
 108         // Old trace name field
 109         Text oldTraceName = new Text(folderGroup, SWT.BORDER);
 110         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 111         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 112         oldTraceName.setLayoutData(data);
 113         oldTraceName.setFont(font);
 114         oldTraceName.setText(fTrace.getName());
 115         oldTraceName.setEnabled(false);
 116
 117         // New trace name label
 118         Label newTaceLabel = new Label(folderGroup, SWT.NONE);
 119         newTaceLabel.setFont(font);
 120         newTaceLabel.setText(Messages.RenameTraceDialog_TraceNewName);
 121
 122         // New trace name entry field
 123         fNewTraceNameText = new Text(folderGroup, SWT.BORDER);
 124         data = new GridData(GridData.FILL_HORIZONTAL);
 125         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 126         fNewTraceNameText.setLayoutData(data);
 127         fNewTraceNameText.setFont(font);
 128         fNewTraceNameText.addListener(SWT.Modify, new Listener() {
 129             @Override
 130             public void handleEvent(Event event) {
 131                 validateNewTraceName();
 132             }
 133         });
 134     }
 135
 136     public String getNewTraceName() {
 137         return fNewTraceName;
 138     }
 139
 140     private void validateNewTraceName() {
 141
 142         fNewTraceName = fNewTraceNameText.getText();
 143         IWorkspace workspace = fTraceFolder.getWorkspace();
 144         IStatus nameStatus = workspace.validateName(fNewTraceName, IResource.FOLDER);
 145
 146         if ("".equals(fNewTraceName)) { //$NON-NLS-1$
 147             updateStatus(new Status(IStatus.ERROR, TmfUiPlugin.PLUGIN_ID, IStatus.ERROR,
 148                     Messages.Dialog_EmptyNameError, null));
 149             return;
 150         }
 151
 152         if (!nameStatus.isOK()) {
 153             updateStatus(nameStatus);
 154             return;
 155         }
 156
 157         IPath path = new Path(fNewTraceName);
 158         if (fTraceFolder.getFolder(path).exists() || fTraceFolder.getFile(path).exists()) {
 159             updateStatus(new Status(IStatus.ERROR, TmfUiPlugin.PLUGIN_ID, IStatus.ERROR,
 160                     Messages.Dialog_ExistingNameError, null));
 161             return;
 162         }
 163
 164         updateStatus(new Status(IStatus.OK, TmfUiPlugin.PLUGIN_ID, "")); //$NON-NLS-1$
 165     }
 166
 167     // ------------------------------------------------------------------------
 168     // SelectionStatusDialog
 169     // ------------------------------------------------------------------------
 170
 171     @Override
 172     protected void computeResult() {
 173     }
 174
 175     @Override
 176     public void create() {
 177         super.create();
 178         getButton(IDialogConstants.OK_ID).setEnabled(false);
 179     }
 180
 181     @Override
 182     protected void okPressed() {
 183         IResource trace = renameTrace(fNewTraceNameText.getText());
 184         if (trace == null) {
 185             return;
 186         }
 187         setSelectionResult(new IResource[] { trace });
 188         super.okPressed();
 189
 190         if (fProject != null) {
 191             fProject.refresh();
 192         }
 193     }
 194
 195     private IResource renameTrace(final String newName) {
 196
 197         final IPath oldPath = fTrace.getResource().getFullPath();
 198         final IPath newPath = oldPath.append("../" + newName); //$NON-NLS-1$
 199
 200         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 201             @Override
 202             public void execute(IProgressMonitor monitor) throws CoreException {
 203                 try {
 204                     monitor.beginTask("", 1000); //$NON-NLS-1$
 205                     if (monitor.isCanceled()) {
 206                         throw new OperationCanceledException();
 207                     }
 208                     if (fTrace.getResource() instanceof IFolder) {
 209                         IFolder folder = (IFolder) fTrace.getResource();
 210                         IFile bookmarksFile = folder.getFile(fTrace.getName() + '_');
 211                         IFile newBookmarksFile = folder.getFile(newName + '_');
 212                         if (bookmarksFile.exists()) {
 213                             if (!newBookmarksFile.exists()) {
 214                                 IPath newBookmarksPath = newBookmarksFile.getFullPath();
 215                                 bookmarksFile.move(newBookmarksPath, IResource.FORCE | IResource.SHALLOW, null);
 216                             }
 217                         }
 218                     }
 219
 220                     fTrace.renameSupplementaryFolder(newName);
 221                     fTrace.getResource().move(newPath, IResource.FORCE | IResource.SHALLOW, null);
 222                     if (monitor.isCanceled()) {
 223                         throw new OperationCanceledException();
 224                     }
 225                 } finally {
 226                     monitor.done();
 227                 }
 228             }
 229         };
 230
 231         try {
 232             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 233         } catch (InterruptedException exception) {
 234             return null;
 235         } catch (InvocationTargetException exception) {
 236             MessageDialog.openError(getShell(), "", NLS.bind("", exception.getTargetException().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
 237             return null;
 238         } catch (RuntimeException exception) {
 239             return null;
 240         }
 241
 242         return fTrace.getResource();
 243     }
 244
 245 }