org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/wizards/CopyTraceDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 2014 Ericsson, École Polytechnique de Montréal
   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  *   Geneviève Bastien - Moved the actual copy code to model element's class
  12  *******************************************************************************/
  13
  14 package org.eclipse.tracecompass.tmf.ui.project.wizards;
  15
  16 import java.lang.reflect.InvocationTargetException;
  17
  18 import org.eclipse.core.resources.IFolder;
  19 import org.eclipse.core.resources.IResource;
  20 import org.eclipse.core.resources.IWorkspace;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.core.runtime.IPath;
  23 import org.eclipse.core.runtime.IProgressMonitor;
  24 import org.eclipse.core.runtime.IStatus;
  25 import org.eclipse.core.runtime.OperationCanceledException;
  26 import org.eclipse.core.runtime.Path;
  27 import org.eclipse.core.runtime.Status;
  28 import org.eclipse.jface.dialogs.IDialogConstants;
  29 import org.eclipse.jface.dialogs.MessageDialog;
  30 import org.eclipse.osgi.util.NLS;
  31 import org.eclipse.swt.SWT;
  32 import org.eclipse.swt.graphics.Font;
  33 import org.eclipse.swt.layout.GridData;
  34 import org.eclipse.swt.layout.GridLayout;
  35 import org.eclipse.swt.widgets.Composite;
  36 import org.eclipse.swt.widgets.Control;
  37 import org.eclipse.swt.widgets.Event;
  38 import org.eclipse.swt.widgets.Label;
  39 import org.eclipse.swt.widgets.Listener;
  40 import org.eclipse.swt.widgets.Shell;
  41 import org.eclipse.swt.widgets.Text;
  42 import org.eclipse.tracecompass.internal.tmf.ui.Activator;
  43 import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceElement;
  44 import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceFolder;
  45 import org.eclipse.ui.PlatformUI;
  46 import org.eclipse.ui.actions.WorkspaceModifyOperation;
  47 import org.eclipse.ui.dialogs.SelectionStatusDialog;
  48
  49 /**
  50  * Implementation of the copy trace dialog box.
  51  * <p>
  52  * @version 1.0
  53  * @author Francois Chouinard
  54  */
  55 public class CopyTraceDialog extends SelectionStatusDialog {
  56
  57     // ------------------------------------------------------------------------
  58     // Members
  59     // ------------------------------------------------------------------------
  60
  61     private final TmfTraceElement fTrace;
  62     private Text fNewTraceName;
  63     private final IFolder fTraceFolder;
  64
  65     // ------------------------------------------------------------------------
  66     // Constructor
  67     // ------------------------------------------------------------------------
  68     /**
  69      * Constructor.
  70      * @param shell The parent shell
  71      * @param trace The trace model element.
  72      */
  73     public CopyTraceDialog(Shell shell, TmfTraceElement trace) {
  74         super(shell);
  75         fTrace = trace;
  76         TmfTraceFolder folder = (TmfTraceFolder) trace.getParent();
  77         fTraceFolder = folder.getResource();
  78         setTitle(Messages.CopyTraceDialog_DialogTitle);
  79         setStatusLineAboveButtons(true);
  80     }
  81
  82     // ------------------------------------------------------------------------
  83     // Dialog
  84     // ------------------------------------------------------------------------
  85
  86     @Override
  87     protected Control createDialogArea(Composite parent) {
  88         Composite composite = (Composite) super.createDialogArea(parent);
  89         composite.setLayout(new GridLayout());
  90         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  91
  92         createNewTraceNameGroup(composite);
  93         return composite;
  94     }
  95
  96     private void createNewTraceNameGroup(Composite parent) {
  97         Font font = parent.getFont();
  98         Composite folderGroup = new Composite(parent, SWT.NONE);
  99         GridLayout layout = new GridLayout();
 100         layout.numColumns = 2;
 101         folderGroup.setLayout(layout);
 102         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 103
 104         // Old trace name label
 105         Label oldTraceLabel = new Label(folderGroup, SWT.NONE);
 106         oldTraceLabel.setFont(font);
 107         oldTraceLabel.setText(Messages.CopyTraceDialog_TraceName);
 108
 109         // Old trace name field
 110         Text oldTraceName = new Text(folderGroup, SWT.BORDER);
 111         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 112         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 113         oldTraceName.setLayoutData(data);
 114         oldTraceName.setFont(font);
 115         oldTraceName.setText(fTrace.getName());
 116         oldTraceName.setEnabled(false);
 117
 118         // New trace name label
 119         Label newTraceLabel = new Label(folderGroup, SWT.NONE);
 120         newTraceLabel.setFont(font);
 121         newTraceLabel.setText(Messages.CopyTraceDialog_TraceNewName);
 122
 123         // New trace name entry field
 124         fNewTraceName = new Text(folderGroup, SWT.BORDER);
 125         data = new GridData(GridData.FILL_HORIZONTAL);
 126         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 127         fNewTraceName.setLayoutData(data);
 128         fNewTraceName.setFont(font);
 129         fNewTraceName.addListener(SWT.Modify, new Listener() {
 130             @Override
 131             public void handleEvent(Event event) {
 132                 validateNewTraceName();
 133             }
 134         });
 135     }
 136
 137     private void validateNewTraceName() {
 138
 139         String name = fNewTraceName.getText();
 140         IWorkspace workspace = fTraceFolder.getWorkspace();
 141         IStatus nameStatus = workspace.validateName(name, IResource.FOLDER);
 142
 143         if ("".equals(name)) { //$NON-NLS-1$
 144             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
 145                     Messages.Dialog_EmptyNameError, null));
 146             return;
 147         }
 148
 149         if (!nameStatus.isOK()) {
 150             updateStatus(nameStatus);
 151             return;
 152         }
 153
 154         IPath path = new Path(name);
 155         if (fTraceFolder.getFolder(path).exists() || fTraceFolder.getFile(path).exists()) {
 156             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
 157                     Messages.Dialog_ExistingNameError, null));
 158             return;
 159         }
 160
 161         updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
 162     }
 163
 164     // ------------------------------------------------------------------------
 165     // SelectionStatusDialog
 166     // ------------------------------------------------------------------------
 167
 168     @Override
 169     protected void computeResult() {
 170     }
 171
 172     @Override
 173     public void create() {
 174         super.create();
 175         getButton(IDialogConstants.OK_ID).setEnabled(false);
 176     }
 177
 178     @Override
 179     protected void okPressed() {
 180         IResource trace = copyTrace(fNewTraceName.getText());
 181         if (trace == null) {
 182             return;
 183         }
 184         setSelectionResult(new IResource[] { trace });
 185         super.okPressed();
 186     }
 187
 188     private IResource copyTrace(final String newName) {
 189
 190         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 191             @Override
 192             public void execute(IProgressMonitor monitor) throws CoreException {
 193                 try {
 194                     monitor.beginTask("", 1000); //$NON-NLS-1$
 195                     if (monitor.isCanceled()) {
 196                         throw new OperationCanceledException();
 197                     }
 198                     fTrace.copy(newName, true);
 199                     if (monitor.isCanceled()) {
 200                         throw new OperationCanceledException();
 201                     }
 202                 } finally {
 203                     monitor.done();
 204                 }
 205             }
 206         };
 207
 208         try {
 209             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 210         } catch (InterruptedException exception) {
 211             return null;
 212         } catch (InvocationTargetException exception) {
 213             MessageDialog.openError(getShell(), "", NLS.bind("", exception.getTargetException().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
 214             return null;
 215         } catch (RuntimeException exception) {
 216             return null;
 217         }
 218
 219         return fTrace.getResource();
 220
 221     }
 222
 223 }