org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/wizards/CopyExperimentDialog.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.linuxtools.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.linuxtools.internal.tmf.ui.Activator;
  31 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  32 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentFolder;
  33 import org.eclipse.osgi.util.NLS;
  34 import org.eclipse.swt.SWT;
  35 import org.eclipse.swt.graphics.Font;
  36 import org.eclipse.swt.layout.GridData;
  37 import org.eclipse.swt.layout.GridLayout;
  38 import org.eclipse.swt.widgets.Composite;
  39 import org.eclipse.swt.widgets.Control;
  40 import org.eclipse.swt.widgets.Event;
  41 import org.eclipse.swt.widgets.Label;
  42 import org.eclipse.swt.widgets.Listener;
  43 import org.eclipse.swt.widgets.Shell;
  44 import org.eclipse.swt.widgets.Text;
  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 experiement dialog box.
  51  * <p>
  52  *
  53  * @version 1.0
  54  * @author Francois Chouinard
  55  */
  56 public class CopyExperimentDialog extends SelectionStatusDialog {
  57
  58     // ------------------------------------------------------------------------
  59     // Members
  60     // ------------------------------------------------------------------------
  61
  62     private final TmfExperimentElement fExperiment;
  63     private Text fNewExperimentName;
  64     private IFolder fExperimentFolder;
  65
  66     // ------------------------------------------------------------------------
  67     // Constructor
  68     // ------------------------------------------------------------------------
  69
  70     /**
  71      * Constructor
  72      *
  73      * @param shell
  74      *            The parent shell
  75      * @param experiment
  76      *            The TMF experiment model element
  77      */
  78     public CopyExperimentDialog(Shell shell, TmfExperimentElement experiment) {
  79         super(shell);
  80         fExperiment = experiment;
  81         TmfExperimentFolder folder = (TmfExperimentFolder) experiment.getParent();
  82         fExperimentFolder = folder.getResource();
  83         setTitle(Messages.CopyExperimentDialog_DialogTitle);
  84         setStatusLineAboveButtons(true);
  85     }
  86
  87     // ------------------------------------------------------------------------
  88     // Dialog
  89     // ------------------------------------------------------------------------
  90
  91     @Override
  92     protected Control createDialogArea(Composite parent) {
  93         Composite composite = (Composite) super.createDialogArea(parent);
  94         composite.setLayout(new GridLayout());
  95         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  96
  97         createNewExperimentNameGroup(composite);
  98         return composite;
  99     }
 100
 101     private void createNewExperimentNameGroup(Composite parent) {
 102         Font font = parent.getFont();
 103         Composite folderGroup = new Composite(parent, SWT.NONE);
 104         GridLayout layout = new GridLayout();
 105         layout.numColumns = 2;
 106         folderGroup.setLayout(layout);
 107         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 108
 109         // Old experiment name label
 110         Label oldExperimentLabel = new Label(folderGroup, SWT.NONE);
 111         oldExperimentLabel.setFont(font);
 112         oldExperimentLabel.setText(Messages.CopyExperimentDialog_ExperimentName);
 113
 114         // Old experiment name field
 115         Text oldExperimentName = new Text(folderGroup, SWT.BORDER);
 116         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 117         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 118         oldExperimentName.setLayoutData(data);
 119         oldExperimentName.setFont(font);
 120         oldExperimentName.setText(fExperiment.getName());
 121         oldExperimentName.setEnabled(false);
 122
 123         // New experiment name label
 124         Label newExperimentLabel = new Label(folderGroup, SWT.NONE);
 125         newExperimentLabel.setFont(font);
 126         newExperimentLabel.setText(Messages.CopyExperimentDialog_ExperimentNewName);
 127
 128         // New experiment name entry field
 129         fNewExperimentName = new Text(folderGroup, SWT.BORDER);
 130         data = new GridData(GridData.FILL_HORIZONTAL);
 131         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 132         fNewExperimentName.setLayoutData(data);
 133         fNewExperimentName.setFont(font);
 134         fNewExperimentName.addListener(SWT.Modify, new Listener() {
 135             @Override
 136             public void handleEvent(Event event) {
 137                 validateNewExperimentName();
 138             }
 139         });
 140     }
 141
 142     private void validateNewExperimentName() {
 143
 144         String name = fNewExperimentName.getText();
 145         IWorkspace workspace = fExperimentFolder.getWorkspace();
 146         IStatus nameStatus = workspace.validateName(name, IResource.FOLDER);
 147
 148         if ("".equals(name)) { //$NON-NLS-1$
 149             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_EmptyNameError, null));
 150             return;
 151         }
 152
 153         if (!nameStatus.isOK()) {
 154             updateStatus(nameStatus);
 155             return;
 156         }
 157
 158         IPath path = new Path(name);
 159         if (fExperimentFolder.getFolder(path).exists() || fExperimentFolder.getFile(path).exists()) {
 160             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_ExistingNameError, null));
 161             return;
 162         }
 163
 164         updateStatus(new Status(IStatus.OK, Activator.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         IFolder folder = copyExperiment(fNewExperimentName.getText());
 184         if (folder == null) {
 185             return;
 186         }
 187         setSelectionResult(new IFolder[] { folder });
 188         super.okPressed();
 189     }
 190
 191     private IFolder copyExperiment(final String newName) {
 192
 193         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 194             @Override
 195             public void execute(IProgressMonitor monitor) throws CoreException {
 196                 try {
 197                     monitor.beginTask("", 1000); //$NON-NLS-1$
 198                     if (monitor.isCanceled()) {
 199                         throw new OperationCanceledException();
 200                     }
 201
 202                     fExperiment.copy(newName, true);
 203
 204                     if (monitor.isCanceled()) {
 205                         throw new OperationCanceledException();
 206                     }
 207                 } finally {
 208                     monitor.done();
 209                 }
 210             }
 211         };
 212         try {
 213             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 214         } catch (InterruptedException exception) {
 215             return null;
 216         } catch (InvocationTargetException exception) {
 217             MessageDialog.openError(getShell(), "", NLS.bind("", exception.getTargetException().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
 218             return null;
 219         } catch (RuntimeException exception) {
 220             return null;
 221         }
 222
 223         return fExperiment.getResource();
 224     }
 225
 226 }