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

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