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

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 2013 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.linuxtools.tmf.ui.project.model.TmfProjectElement;
  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  * Implementation of the copy experiement dialog box.
  52  * <p>
  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     private TmfProjectElement fProject;
  66
  67     // ------------------------------------------------------------------------
  68     // Constructor
  69     // ------------------------------------------------------------------------
  70
  71     /**
  72      * Constructor
  73      * @param shell The parent shell
  74      * @param experiment The TMF experiment model element
  75      */
  76     public CopyExperimentDialog(Shell shell, TmfExperimentElement experiment) {
  77         super(shell);
  78         fExperiment = experiment;
  79         TmfExperimentFolder folder = (TmfExperimentFolder) experiment.getParent();
  80         fExperimentFolder = folder.getResource();
  81         fProject = experiment.getProject();
  82         setTitle(Messages.CopyExperimentDialog_DialogTitle);
  83         setStatusLineAboveButtons(true);
  84     }
  85
  86     // ------------------------------------------------------------------------
  87     // Dialog
  88     // ------------------------------------------------------------------------
  89
  90     /*
  91      * (non-Javadoc)
  92      * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  93      */
  94     @Override
  95     protected Control createDialogArea(Composite parent) {
  96         Composite composite = (Composite) super.createDialogArea(parent);
  97         composite.setLayout(new GridLayout());
  98         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  99
 100         createNewExperimentNameGroup(composite);
 101         return composite;
 102     }
 103
 104     private void createNewExperimentNameGroup(Composite parent) {
 105         Font font = parent.getFont();
 106         Composite folderGroup = new Composite(parent, SWT.NONE);
 107         GridLayout layout = new GridLayout();
 108         layout.numColumns = 2;
 109         folderGroup.setLayout(layout);
 110         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 111
 112         // Old experiment name label
 113         Label oldExperimentLabel = new Label(folderGroup, SWT.NONE);
 114         oldExperimentLabel.setFont(font);
 115         oldExperimentLabel.setText(Messages.CopyExperimentDialog_ExperimentName);
 116
 117         // Old experiment name field
 118         Text oldExperimentName = new Text(folderGroup, SWT.BORDER);
 119         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 120         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 121         oldExperimentName.setLayoutData(data);
 122         oldExperimentName.setFont(font);
 123         oldExperimentName.setText(fExperiment.getName());
 124         oldExperimentName.setEnabled(false);
 125
 126         // New experiment name label
 127         Label newExperimentLabel = new Label(folderGroup, SWT.NONE);
 128         newExperimentLabel.setFont(font);
 129         newExperimentLabel.setText(Messages.CopyExperimentDialog_ExperimentNewName);
 130
 131         // New experiment name entry field
 132         fNewExperimentName = new Text(folderGroup, SWT.BORDER);
 133         data = new GridData(GridData.FILL_HORIZONTAL);
 134         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 135         fNewExperimentName.setLayoutData(data);
 136         fNewExperimentName.setFont(font);
 137         fNewExperimentName.addListener(SWT.Modify, new Listener() {
 138             @Override
 139             public void handleEvent(Event event) {
 140                 validateNewExperimentName();
 141             }
 142         });
 143     }
 144
 145     private void validateNewExperimentName() {
 146
 147         String name = fNewExperimentName.getText();
 148         IWorkspace workspace = fExperimentFolder.getWorkspace();
 149         IStatus nameStatus = workspace.validateName(name, IResource.FOLDER);
 150
 151         if ("".equals(name)) { //$NON-NLS-1$
 152                 updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_EmptyNameError, null));
 153                 return;
 154         }
 155
 156         if (!nameStatus.isOK()) {
 157                 updateStatus(nameStatus);
 158                 return;
 159         }
 160
 161         IPath path = new Path(name);
 162         if (fExperimentFolder.getFolder(path).exists() || fExperimentFolder.getFile(path).exists()) {
 163             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_ExistingNameError, null));
 164             return;
 165         }
 166
 167         updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
 168     }
 169
 170     // ------------------------------------------------------------------------
 171     // SelectionStatusDialog
 172     // ------------------------------------------------------------------------
 173     /*
 174      * (non-Javadoc)
 175      * @see org.eclipse.ui.dialogs.SelectionStatusDialog#computeResult()
 176      */
 177     @Override
 178     protected void computeResult() {
 179     }
 180
 181     /*
 182      * (non-Javadoc)
 183      * @see org.eclipse.ui.dialogs.SelectionStatusDialog#create()
 184      */
 185     @Override
 186     public void create() {
 187         super.create();
 188         getButton(IDialogConstants.OK_ID).setEnabled(false);
 189     }
 190
 191     /*
 192      * (non-Javadoc)
 193      * @see org.eclipse.ui.dialogs.SelectionStatusDialog#okPressed()
 194      */
 195     @Override
 196     protected void okPressed() {
 197         IFolder folder = copyExperiment(fNewExperimentName.getText());
 198         if (folder == null) {
 199             return;
 200         }
 201         setSelectionResult(new IFolder[] { folder });
 202         super.okPressed();
 203
 204         if (fProject != null) {
 205             fProject.refresh();
 206         }
 207     }
 208
 209     private IFolder copyExperiment(final String newName) {
 210
 211         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 212             @Override
 213             public void execute(IProgressMonitor monitor) throws CoreException {
 214                 try {
 215                     monitor.beginTask("", 1000); //$NON-NLS-1$
 216                     if (monitor.isCanceled()) {
 217                         throw new OperationCanceledException();
 218                     }
 219
 220                     fExperiment.copy(newName, true);
 221
 222                     if (monitor.isCanceled()) {
 223                         throw new OperationCanceledException();
 224                     }
 225                 } finally {
 226                     monitor.done();
 227                 }
 228             }
 229         };
 230         try {
 231             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 232         } catch (InterruptedException exception) {
 233             return null;
 234         } catch (InvocationTargetException exception) {
 235             MessageDialog.openError(getShell(), "", NLS.bind("", exception.getTargetException().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
 236             return null;
 237         } catch (RuntimeException exception) {
 238             return null;
 239         }
 240
 241         return fExperiment.getResource();
 242     }
 243
 244 }