org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/wizards/CopyExperimentDialog.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.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.tmf.ui.TmfUiPlugin;
  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  * <b><u>CopyExperimentDialog</u></b>
  52  * <p>
  53  */
  54 public class CopyExperimentDialog extends SelectionStatusDialog {
  55
  56     // ------------------------------------------------------------------------
  57     // Members
  58     // ------------------------------------------------------------------------
  59
  60         private final TmfExperimentElement fExperiment;
  61         private Text fNewExperimentName;
  62     private IContainer fExperimentFolder;
  63     private TmfProjectElement fProject;
  64
  65     // ------------------------------------------------------------------------
  66     // Constructor
  67     // ------------------------------------------------------------------------
  68
  69     public CopyExperimentDialog(Shell shell, TmfExperimentElement experiment) {
  70         super(shell);
  71         fExperiment = experiment;
  72         TmfExperimentFolder folder = (TmfExperimentFolder) experiment.getParent();
  73         fExperimentFolder = folder.getResource();
  74         fProject = experiment.getProject();
  75         setTitle(Messages.CopyExperimentDialog_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         createNewExperimentNameGroup(composite);
  90         return composite;
  91     }
  92
  93     private void createNewExperimentNameGroup(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 experiment name label
 102         Label oldExperimentLabel = new Label(folderGroup, SWT.NONE);
 103         oldExperimentLabel.setFont(font);
 104         oldExperimentLabel.setText(Messages.CopyExperimentDialog_ExperimentName);
 105
 106         // Old experiment name field
 107         Text oldExperimentName = new Text(folderGroup, SWT.BORDER);
 108         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 109         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 110         oldExperimentName.setLayoutData(data);
 111         oldExperimentName.setFont(font);
 112         oldExperimentName.setText(fExperiment.getName());
 113         oldExperimentName.setEnabled(false);
 114
 115         // New experiment name label
 116         Label newExperimentLabel = new Label(folderGroup, SWT.NONE);
 117         newExperimentLabel.setFont(font);
 118         newExperimentLabel.setText(Messages.CopyExperimentDialog_ExperimentNewName);
 119
 120         // New experiment name entry field
 121         fNewExperimentName = new Text(folderGroup, SWT.BORDER);
 122         data = new GridData(GridData.FILL_HORIZONTAL);
 123         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 124         fNewExperimentName.setLayoutData(data);
 125         fNewExperimentName.setFont(font);
 126         fNewExperimentName.addListener(SWT.Modify, new Listener() {
 127             @Override
 128             public void handleEvent(Event event) {
 129                 validateNewExperimentName();
 130             }
 131         });
 132     }
 133
 134     private void validateNewExperimentName() {
 135
 136         String name = fNewExperimentName.getText();
 137         IWorkspace workspace = fExperimentFolder.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, Messages.Dialog_EmptyNameError, null));
 142                 return;
 143         }
 144
 145         if (nameStatus.isOK() == false) {
 146                 updateStatus(nameStatus);
 147                 return;
 148         }
 149
 150         IPath path = new Path(name);
 151         if (fExperimentFolder.getFolder(path).exists() || fExperimentFolder.getFile(path).exists()) {
 152             updateStatus(new Status(IStatus.ERROR, TmfUiPlugin.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_ExistingNameError, null));
 153             return;
 154         }
 155
 156         updateStatus(new Status(IStatus.OK, TmfUiPlugin.PLUGIN_ID, "")); //$NON-NLS-1$
 157     }
 158
 159     // ------------------------------------------------------------------------
 160     // SelectionStatusDialog
 161     // ------------------------------------------------------------------------
 162
 163     @Override
 164     protected void computeResult() {
 165     }
 166
 167     @Override
 168     public void create() {
 169         super.create();
 170         getButton(IDialogConstants.OK_ID).setEnabled(false);
 171     }
 172
 173     @Override
 174     protected void okPressed() {
 175         IFolder folder = copyExperiment(fNewExperimentName.getText());
 176         if (folder == null) {
 177             return;
 178         }
 179         setSelectionResult(new IFolder[] { folder });
 180         super.okPressed();
 181
 182         if (fProject != null) {
 183             fProject.refresh();
 184         }
 185     }
 186
 187     private IFolder copyExperiment(String newName) {
 188
 189         IPath oldPath = fExperiment.getResource().getFullPath();
 190         final IPath newPath = oldPath.append("../" + newName); //$NON-NLS-1$
 191
 192         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 193             @Override
 194             public void execute(IProgressMonitor monitor) throws CoreException {
 195                 try {
 196                     monitor.beginTask("", 1000); //$NON-NLS-1$
 197                     if (monitor.isCanceled()) {
 198                         throw new OperationCanceledException();
 199                     }
 200                         fExperiment.getResource().copy(newPath, IResource.FORCE | IResource.SHALLOW, null);
 201                     if (monitor.isCanceled()) {
 202                         throw new OperationCanceledException();
 203                     }
 204                 } finally {
 205                     monitor.done();
 206                 }
 207             }
 208         };
 209         try {
 210             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 211         } catch (InterruptedException exception) {
 212             return null;
 213         } catch (InvocationTargetException exception) {
 214             MessageDialog.openError(getShell(), "", NLS.bind("", exception.getTargetException().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
 215             return null;
 216         } catch (RuntimeException exception) {
 217             return null;
 218         }
 219
 220         return fExperiment.getResource();
 221     }
 222
 223 }