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

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2012 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.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 new experiment dialog that creates the experiment element.
  52  * <p>
  53  * @version 1.0
  54  * @author Francois Chouinard
  55
  56  */
  57 public class NewExperimentDialog extends SelectionStatusDialog {
  58
  59     // ------------------------------------------------------------------------
  60     // Members
  61     // ------------------------------------------------------------------------
  62
  63     private Text fExperimentName;
  64     private final IContainer fExperimentFolder;
  65     private TmfProjectElement fProject;
  66
  67     // ------------------------------------------------------------------------
  68     // Constructor
  69     // ------------------------------------------------------------------------
  70     /**
  71      * Constructor
  72      * @param shell The parent shell
  73      * @param experimentFolder The parent experiment folder element
  74      */
  75     public NewExperimentDialog(Shell shell, TmfExperimentFolder experimentFolder) {
  76         super(shell);
  77         fExperimentFolder = experimentFolder.getResource();
  78         fProject = experimentFolder.getProject();
  79         setTitle(Messages.NewExperimentDialog_DialogTitle);
  80         setStatusLineAboveButtons(true);
  81     }
  82
  83     // ------------------------------------------------------------------------
  84     // Dialog
  85     // ------------------------------------------------------------------------
  86     /*
  87      * (non-Javadoc)
  88      * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  89      */
  90     @Override
  91     protected Control createDialogArea(Composite parent) {
  92         Composite composite = (Composite) super.createDialogArea(parent);
  93         composite.setLayout(new GridLayout());
  94         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  95
  96         createExperimentNameGroup(composite);
  97         return composite;
  98     }
  99
 100     private void createExperimentNameGroup(Composite parent) {
 101         Font font = parent.getFont();
 102         Composite folderGroup = new Composite(parent, SWT.NONE);
 103         GridLayout layout = new GridLayout();
 104         layout.numColumns = 2;
 105         folderGroup.setLayout(layout);
 106         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 107
 108         // New experiment label
 109         Label experimentLabel = new Label(folderGroup, SWT.NONE);
 110         experimentLabel.setFont(font);
 111         experimentLabel.setText(Messages.NewExperimentDialog_ExperimentName);
 112
 113         // New experiment name entry field
 114         fExperimentName = new Text(folderGroup, SWT.BORDER);
 115         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 116         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 117         fExperimentName.setLayoutData(data);
 118         fExperimentName.setFont(font);
 119         fExperimentName.addListener(SWT.Modify, new Listener() {
 120             @Override
 121             public void handleEvent(Event event) {
 122                 validateNewExperimentName();
 123             }
 124         });
 125     }
 126
 127     private void validateNewExperimentName() {
 128
 129         String name = fExperimentName.getText();
 130         IWorkspace workspace = fExperimentFolder.getWorkspace();
 131         IStatus nameStatus = workspace.validateName(name, IResource.FOLDER);
 132
 133         if ("".equals(name)) { //$NON-NLS-1$
 134                 updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_EmptyNameError, null));
 135                 return;
 136         }
 137
 138         if (!nameStatus.isOK()) {
 139                 updateStatus(nameStatus);
 140                 return;
 141         }
 142
 143         IPath path = new Path(name);
 144         if (fExperimentFolder.getFolder(path).exists() || fExperimentFolder.getFile(path).exists()) {
 145             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.Dialog_ExistingNameError, null));
 146             return;
 147         }
 148
 149         updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
 150     }
 151
 152     // ------------------------------------------------------------------------
 153     // SelectionStatusDialog
 154     // ------------------------------------------------------------------------
 155     /*
 156      * (non-Javadoc)
 157      * @see org.eclipse.ui.dialogs.SelectionStatusDialog#computeResult()
 158      */
 159     @Override
 160     protected void computeResult() {
 161     }
 162
 163     /*
 164      * (non-Javadoc)
 165      * @see org.eclipse.ui.dialogs.SelectionStatusDialog#create()
 166      */
 167     @Override
 168     public void create() {
 169         super.create();
 170         getButton(IDialogConstants.OK_ID).setEnabled(false);
 171     }
 172
 173     /*
 174      * (non-Javadoc)
 175      * @see org.eclipse.ui.dialogs.SelectionStatusDialog#okPressed()
 176      */
 177     @Override
 178     protected void okPressed() {
 179         IFolder folder = createNewExperiment(fExperimentName.getText());
 180         if (folder == null) {
 181             return;
 182         }
 183         setSelectionResult(new IFolder[] { folder });
 184         super.okPressed();
 185
 186         if (fProject != null) {
 187             fProject.refresh();
 188         }
 189     }
 190
 191     private IFolder createNewExperiment(String experimentName) {
 192
 193         final IFolder experimentFolder = createExperiment(experimentName);
 194
 195         WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
 196             @Override
 197             public void execute(IProgressMonitor monitor) throws CoreException {
 198                 try {
 199                     monitor.beginTask("", 1000); //$NON-NLS-1$
 200                     if (monitor.isCanceled()) {
 201                         throw new OperationCanceledException();
 202                     }
 203                     experimentFolder.create(false, true, monitor);
 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 experimentFolder;
 224     }
 225
 226     private IFolder createExperiment(String experimentName) {
 227         IWorkspaceRoot workspaceRoot = fExperimentFolder.getWorkspace().getRoot();
 228         IPath folderPath = fExperimentFolder.getFullPath().append(experimentName);
 229         IFolder folder = workspaceRoot.getFolder(folderPath);
 230
 231         return folder;
 232     }
 233
 234 }