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

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2014 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.resources.IWorkspaceRoot;
  22 import org.eclipse.core.runtime.CoreException;
  23 import org.eclipse.core.runtime.IPath;
  24 import org.eclipse.core.runtime.IProgressMonitor;
  25 import org.eclipse.core.runtime.IStatus;
  26 import org.eclipse.core.runtime.OperationCanceledException;
  27 import org.eclipse.core.runtime.Path;
  28 import org.eclipse.core.runtime.Status;
  29 import org.eclipse.jface.dialogs.IDialogConstants;
  30 import org.eclipse.jface.dialogs.MessageDialog;
  31 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  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 new experiment dialog that creates the experiment element.
  51  * <p>
  52  *
  53  * @version 1.0
  54  * @author Francois Chouinard
  55  */
  56 public class NewExperimentDialog extends SelectionStatusDialog {
  57
  58     // ------------------------------------------------------------------------
  59     // Members
  60     // ------------------------------------------------------------------------
  61
  62     private Text fExperimentName;
  63     private final IContainer fExperimentFolder;
  64
  65     // ------------------------------------------------------------------------
  66     // Constructor
  67     // ------------------------------------------------------------------------
  68     /**
  69      * Constructor
  70      *
  71      * @param shell
  72      *            The parent shell
  73      * @param experimentFolder
  74      *            The parent experiment folder element
  75      */
  76     public NewExperimentDialog(Shell shell, TmfExperimentFolder experimentFolder) {
  77         super(shell);
  78         fExperimentFolder = experimentFolder.getResource();
  79         setTitle(Messages.NewExperimentDialog_DialogTitle);
  80         setStatusLineAboveButtons(true);
  81     }
  82
  83     // ------------------------------------------------------------------------
  84     // Dialog
  85     // ------------------------------------------------------------------------
  86
  87     @Override
  88     protected Control createDialogArea(Composite parent) {
  89         Composite composite = (Composite) super.createDialogArea(parent);
  90         composite.setLayout(new GridLayout());
  91         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  92
  93         createExperimentNameGroup(composite);
  94         return composite;
  95     }
  96
  97     private void createExperimentNameGroup(Composite parent) {
  98         Font font = parent.getFont();
  99         Composite folderGroup = new Composite(parent, SWT.NONE);
 100         GridLayout layout = new GridLayout();
 101         layout.numColumns = 2;
 102         folderGroup.setLayout(layout);
 103         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 104
 105         // New experiment label
 106         Label experimentLabel = new Label(folderGroup, SWT.NONE);
 107         experimentLabel.setFont(font);
 108         experimentLabel.setText(Messages.NewExperimentDialog_ExperimentName);
 109
 110         // New experiment name entry field
 111         fExperimentName = new Text(folderGroup, SWT.BORDER);
 112         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 113         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 114         fExperimentName.setLayoutData(data);
 115         fExperimentName.setFont(font);
 116         fExperimentName.addListener(SWT.Modify, new Listener() {
 117             @Override
 118             public void handleEvent(Event event) {
 119                 validateNewExperimentName();
 120             }
 121         });
 122     }
 123
 124     private void validateNewExperimentName() {
 125
 126         String name = fExperimentName.getText();
 127         IWorkspace workspace = fExperimentFolder.getWorkspace();
 128         IStatus nameStatus = workspace.validateName(name, IResource.FOLDER);
 129
 130         if ("".equals(name)) { //$NON-NLS-1$
 131             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_EmptyNameError, null));
 132             return;
 133         }
 134
 135         if (!nameStatus.isOK()) {
 136             updateStatus(nameStatus);
 137             return;
 138         }
 139
 140         IPath path = new Path(name);
 141         if (fExperimentFolder.getFolder(path).exists() || fExperimentFolder.getFile(path).exists()) {
 142             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_ExistingNameError, null));
 143             return;
 144         }
 145
 146         updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
 147     }
 148
 149     // ------------------------------------------------------------------------
 150     // SelectionStatusDialog
 151     // ------------------------------------------------------------------------
 152
 153     @Override
 154     protected void computeResult() {
 155     }
 156
 157     @Override
 158     public void create() {
 159         super.create();
 160         getButton(IDialogConstants.OK_ID).setEnabled(false);
 161     }
 162
 163     @Override
 164     protected void okPressed() {
 165         IFolder folder = createNewExperiment(fExperimentName.getText());
 166         if (folder == null) {
 167             return;
 168         }
 169         setSelectionResult(new IFolder[] { folder });
 170         super.okPressed();
 171     }
 172
 173     private IFolder createNewExperiment(String experimentName) {
 174
 175         final IFolder experimentFolder = createExperiment(experimentName);
 176
 177         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 178             @Override
 179             public void execute(IProgressMonitor monitor) throws CoreException {
 180                 try {
 181                     monitor.beginTask("", 1000); //$NON-NLS-1$
 182                     if (monitor.isCanceled()) {
 183                         throw new OperationCanceledException();
 184                     }
 185                     experimentFolder.create(false, true, monitor);
 186                     if (monitor.isCanceled()) {
 187                         throw new OperationCanceledException();
 188                     }
 189                 } finally {
 190                     monitor.done();
 191                 }
 192             }
 193         };
 194         try {
 195             PlatformUI.getWorkbench().getProgressService().busyCursorWhile(operation);
 196         } catch (InterruptedException exception) {
 197             return null;
 198         } catch (InvocationTargetException exception) {
 199             MessageDialog.openError(getShell(), "", NLS.bind("", exception.getTargetException().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
 200             return null;
 201         } catch (RuntimeException exception) {
 202             return null;
 203         }
 204
 205         return experimentFolder;
 206     }
 207
 208     private IFolder createExperiment(String experimentName) {
 209         IWorkspaceRoot workspaceRoot = fExperimentFolder.getWorkspace().getRoot();
 210         IPath folderPath = fExperimentFolder.getFullPath().append(experimentName);
 211         IFolder folder = workspaceRoot.getFolder(folderPath);
 212
 213         return folder;
 214     }
 215
 216 }