org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/wizards/CopyTraceDialog.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.IFolder;
  18 import org.eclipse.core.resources.IResource;
  19 import org.eclipse.core.resources.IWorkspace;
  20 import org.eclipse.core.runtime.CoreException;
  21 import org.eclipse.core.runtime.IPath;
  22 import org.eclipse.core.runtime.IProgressMonitor;
  23 import org.eclipse.core.runtime.IStatus;
  24 import org.eclipse.core.runtime.OperationCanceledException;
  25 import org.eclipse.core.runtime.Path;
  26 import org.eclipse.core.runtime.Status;
  27 import org.eclipse.jface.dialogs.IDialogConstants;
  28 import org.eclipse.jface.dialogs.MessageDialog;
  29 import org.eclipse.linuxtools.internal.tmf.ui.TmfUiPlugin;
  30 import org.eclipse.linuxtools.tmf.core.trace.TmfTrace;
  31 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectElement;
  32 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  33 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  34 import org.eclipse.osgi.util.NLS;
  35 import org.eclipse.swt.SWT;
  36 import org.eclipse.swt.graphics.Font;
  37 import org.eclipse.swt.layout.GridData;
  38 import org.eclipse.swt.layout.GridLayout;
  39 import org.eclipse.swt.widgets.Composite;
  40 import org.eclipse.swt.widgets.Control;
  41 import org.eclipse.swt.widgets.Event;
  42 import org.eclipse.swt.widgets.Label;
  43 import org.eclipse.swt.widgets.Listener;
  44 import org.eclipse.swt.widgets.Shell;
  45 import org.eclipse.swt.widgets.Text;
  46 import org.eclipse.ui.PlatformUI;
  47 import org.eclipse.ui.actions.WorkspaceModifyOperation;
  48 import org.eclipse.ui.dialogs.SelectionStatusDialog;
  49
  50 /**
  51  * <b><u>CopyExperimentDialog</u></b>
  52  * <p>
  53  */
  54 public class CopyTraceDialog extends SelectionStatusDialog {
  55
  56     // ------------------------------------------------------------------------
  57     // Members
  58     // ------------------------------------------------------------------------
  59
  60     private final TmfTraceElement fTrace;
  61     private Text fNewTraceName;
  62     private IFolder fTraceFolder;
  63     private TmfProjectElement fProject;
  64
  65     // ------------------------------------------------------------------------
  66     // Constructor
  67     // ------------------------------------------------------------------------
  68
  69     public CopyTraceDialog(Shell shell, TmfTraceElement trace) {
  70         super(shell);
  71         fTrace = trace;
  72         TmfTraceFolder folder = (TmfTraceFolder) trace.getParent();
  73         fTraceFolder = folder.getResource();
  74         fProject = trace.getProject();
  75         setTitle(Messages.CopyTraceDialog_DialogTitle);
  76         setStatusLineAboveButtons(true);
  77     }
  78
  79     // ------------------------------------------------------------------------
  80     // Dialog
  81     // ------------------------------------------------------------------------
  82
  83     @Override
  84     protected Control createDialogArea(Composite parent) {
  85         Composite composite = (Composite) super.createDialogArea(parent);
  86         composite.setLayout(new GridLayout());
  87         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  88
  89         createNewTraceNameGroup(composite);
  90         return composite;
  91     }
  92
  93     private void createNewTraceNameGroup(Composite parent) {
  94         Font font = parent.getFont();
  95         Composite folderGroup = new Composite(parent, SWT.NONE);
  96         GridLayout layout = new GridLayout();
  97         layout.numColumns = 2;
  98         folderGroup.setLayout(layout);
  99         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 100
 101         // Old trace name label
 102         Label oldTraceLabel = new Label(folderGroup, SWT.NONE);
 103         oldTraceLabel.setFont(font);
 104         oldTraceLabel.setText(Messages.CopyTraceDialog_TraceName);
 105
 106         // Old trace name field
 107         Text oldTraceName = new Text(folderGroup, SWT.BORDER);
 108         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 109         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 110         oldTraceName.setLayoutData(data);
 111         oldTraceName.setFont(font);
 112         oldTraceName.setText(fTrace.getName());
 113         oldTraceName.setEnabled(false);
 114
 115         // New trace name label
 116         Label newTraceLabel = new Label(folderGroup, SWT.NONE);
 117         newTraceLabel.setFont(font);
 118         newTraceLabel.setText(Messages.CopyTraceDialog_TraceNewName);
 119
 120         // New trace name entry field
 121         fNewTraceName = new Text(folderGroup, SWT.BORDER);
 122         data = new GridData(GridData.FILL_HORIZONTAL);
 123         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 124         fNewTraceName.setLayoutData(data);
 125         fNewTraceName.setFont(font);
 126         fNewTraceName.addListener(SWT.Modify, new Listener() {
 127             @Override
 128             public void handleEvent(Event event) {
 129                 validateNewTraceName();
 130             }
 131         });
 132     }
 133
 134     private void validateNewTraceName() {
 135
 136         String name = fNewTraceName.getText();
 137         IWorkspace workspace = fTraceFolder.getWorkspace();
 138         IStatus nameStatus = workspace.validateName(name, IResource.FOLDER);
 139
 140         if ("".equals(name)) { //$NON-NLS-1$
 141             updateStatus(new Status(IStatus.ERROR, TmfUiPlugin.PLUGIN_ID, IStatus.ERROR,
 142                     Messages.Dialog_EmptyNameError, null));
 143             return;
 144         }
 145
 146         if (nameStatus.isOK() == false) {
 147             updateStatus(nameStatus);
 148             return;
 149         }
 150
 151         IPath path = new Path(name);
 152         if (fTraceFolder.getFolder(path).exists() || fTraceFolder.getFile(path).exists()) {
 153             updateStatus(new Status(IStatus.ERROR, TmfUiPlugin.PLUGIN_ID, IStatus.ERROR,
 154                     Messages.Dialog_ExistingNameError, null));
 155             return;
 156         }
 157
 158         updateStatus(new Status(IStatus.OK, TmfUiPlugin.PLUGIN_ID, "")); //$NON-NLS-1$
 159     }
 160
 161     // ------------------------------------------------------------------------
 162     // SelectionStatusDialog
 163     // ------------------------------------------------------------------------
 164
 165     @Override
 166     protected void computeResult() {
 167     }
 168
 169     @Override
 170     public void create() {
 171         super.create();
 172         getButton(IDialogConstants.OK_ID).setEnabled(false);
 173     }
 174
 175     @Override
 176     protected void okPressed() {
 177         IResource trace = copyTrace(fNewTraceName.getText());
 178         if (trace == null) {
 179             return;
 180         }
 181         setSelectionResult(new IResource[] { trace });
 182         super.okPressed();
 183
 184         if (fProject != null) {
 185             fProject.refresh();
 186         }
 187     }
 188
 189     private IResource copyTrace(final String newName) {
 190
 191         IPath oldPath = fTrace.getResource().getFullPath();
 192         final IPath newPath = oldPath.append("../" + newName); //$NON-NLS-1$
 193
 194         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 195             @Override
 196             public void execute(IProgressMonitor monitor) throws CoreException {
 197                 try {
 198                     monitor.beginTask("", 1000); //$NON-NLS-1$
 199                     if (monitor.isCanceled()) {
 200                         throw new OperationCanceledException();
 201                     }
 202                     fTrace.getResource().copy(newPath, IResource.FORCE | IResource.SHALLOW, null);
 203                     // Delete any bookmarks file found in copied trace folder
 204                     IFolder folder = fTraceFolder.getFolder(newName);
 205                     if (folder.exists()) {
 206                         for (IResource member : folder.members()) {
 207                             if (TmfTrace.class.getCanonicalName().equals(member.getPersistentProperty(TmfTraceElement.TRACETYPE))) {
 208                                 member.delete(true, null);
 209                             }
 210                         }
 211                     }
 212                     if (monitor.isCanceled()) {
 213                         throw new OperationCanceledException();
 214                     }
 215                 } finally {
 216                     monitor.done();
 217                 }
 218             }
 219         };
 220
 221         try {
 222             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 223         } catch (InterruptedException exception) {
 224             return null;
 225         } catch (InvocationTargetException exception) {
 226             MessageDialog.openError(getShell(), "", NLS.bind("", exception.getTargetException().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
 227             return null;
 228         } catch (RuntimeException exception) {
 229             return null;
 230         }
 231
 232         return fTrace.getResource();
 233     }
 234
 235 }