org.eclipse.tracecompass.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/wizards/RenameFolderDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 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  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.project.wizards;
  14
  15 import org.eclipse.core.resources.IContainer;
  16 import org.eclipse.core.resources.IResource;
  17 import org.eclipse.core.resources.IWorkspace;
  18 import org.eclipse.core.runtime.IStatus;
  19 import org.eclipse.core.runtime.Status;
  20 import org.eclipse.jface.dialogs.IDialogConstants;
  21 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  22 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  23 import org.eclipse.swt.SWT;
  24 import org.eclipse.swt.graphics.Font;
  25 import org.eclipse.swt.layout.GridData;
  26 import org.eclipse.swt.layout.GridLayout;
  27 import org.eclipse.swt.widgets.Composite;
  28 import org.eclipse.swt.widgets.Control;
  29 import org.eclipse.swt.widgets.Event;
  30 import org.eclipse.swt.widgets.Label;
  31 import org.eclipse.swt.widgets.Listener;
  32 import org.eclipse.swt.widgets.Shell;
  33 import org.eclipse.swt.widgets.Text;
  34 import org.eclipse.ui.dialogs.SelectionStatusDialog;
  35
  36 /**
  37  * Implementation of a dialog box to rename a folder.
  38  * @since 3.0
  39  */
  40 public class RenameFolderDialog extends SelectionStatusDialog {
  41
  42     // ------------------------------------------------------------------------
  43     // Members
  44     // ------------------------------------------------------------------------
  45
  46     private final TmfTraceFolder fFolder;
  47     private Text fNewFolderNameText;
  48
  49     // ------------------------------------------------------------------------
  50     // Constructor
  51     // ------------------------------------------------------------------------
  52
  53     /**
  54      * Constructor
  55      * @param shell The parent shell
  56      * @param folder The trace element to rename
  57      */
  58     public RenameFolderDialog(Shell shell, TmfTraceFolder folder) {
  59         super(shell);
  60         fFolder = folder;
  61         setTitle(Messages.RenameFolderDialog_DialogTitle);
  62         setStatusLineAboveButtons(true);
  63     }
  64
  65     // ------------------------------------------------------------------------
  66     // Dialog
  67     // ------------------------------------------------------------------------
  68
  69     @Override
  70     protected Control createDialogArea(Composite parent) {
  71         Composite composite = (Composite) super.createDialogArea(parent);
  72         composite.setLayout(new GridLayout());
  73         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  74
  75         createNewTraceNameGroup(composite);
  76         return composite;
  77     }
  78
  79     private void createNewTraceNameGroup(Composite parent) {
  80         Font font = parent.getFont();
  81         Composite folderGroup = new Composite(parent, SWT.NONE);
  82         GridLayout layout = new GridLayout();
  83         layout.numColumns = 2;
  84         folderGroup.setLayout(layout);
  85         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  86
  87         // Old trace name label
  88         Label oldTraceLabel = new Label(folderGroup, SWT.NONE);
  89         oldTraceLabel.setFont(font);
  90         oldTraceLabel.setText(Messages.RenameFolderDialog_FolderName);
  91
  92         // Old trace name field
  93         Text oldTraceName = new Text(folderGroup, SWT.BORDER);
  94         GridData data = new GridData(GridData.FILL_HORIZONTAL);
  95         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
  96         oldTraceName.setLayoutData(data);
  97         oldTraceName.setFont(font);
  98         oldTraceName.setText(fFolder.getName());
  99         oldTraceName.setEnabled(false);
 100
 101         // New trace name label
 102         Label newTaceLabel = new Label(folderGroup, SWT.NONE);
 103         newTaceLabel.setFont(font);
 104         newTaceLabel.setText(Messages.RenameFolderDialog_FolderNewName);
 105
 106         // New trace name entry field
 107         fNewFolderNameText = new Text(folderGroup, SWT.BORDER);
 108         data = new GridData(GridData.FILL_HORIZONTAL);
 109         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 110         fNewFolderNameText.setLayoutData(data);
 111         fNewFolderNameText.setFont(font);
 112         fNewFolderNameText.addListener(SWT.Modify, new Listener() {
 113             @Override
 114             public void handleEvent(Event event) {
 115                 validateNewFolderName();
 116             }
 117         });
 118     }
 119
 120     private void validateNewFolderName() {
 121
 122         String newFolderName = fNewFolderNameText.getText();
 123         IWorkspace workspace = fFolder.getResource().getWorkspace();
 124         IStatus nameStatus = workspace.validateName(newFolderName, IResource.FOLDER);
 125
 126         if ("".equals(newFolderName)) { //$NON-NLS-1$
 127             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
 128                     Messages.Dialog_EmptyNameError, null));
 129             return;
 130         }
 131
 132         if (!nameStatus.isOK()) {
 133             updateStatus(nameStatus);
 134             return;
 135         }
 136
 137         IContainer parentFolder = fFolder.getResource().getParent();
 138         if (parentFolder.findMember(newFolderName) != null) {
 139             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
 140                     Messages.Dialog_ExistingNameError, null));
 141             return;
 142         }
 143
 144         updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
 145     }
 146
 147     // ------------------------------------------------------------------------
 148     // SelectionStatusDialog
 149     // ------------------------------------------------------------------------
 150
 151     @Override
 152     protected void computeResult() {
 153     }
 154
 155     @Override
 156     public void create() {
 157         super.create();
 158         getButton(IDialogConstants.OK_ID).setEnabled(false);
 159     }
 160
 161     @Override
 162     protected void okPressed() {
 163         setSelectionResult(new String[] { fNewFolderNameText.getText() });
 164         super.okPressed();
 165     }
 166
 167 }