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