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

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 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  *   Patrick Tasse - Close editors to release resources
  12  *******************************************************************************/
  13
  14 package org.eclipse.linuxtools.tmf.ui.project.wizards;
  15
  16 import org.eclipse.core.resources.IContainer;
  17 import org.eclipse.core.resources.IResource;
  18 import org.eclipse.core.resources.IWorkspace;
  19 import org.eclipse.core.runtime.IStatus;
  20 import org.eclipse.core.runtime.Status;
  21 import org.eclipse.jface.dialogs.IDialogConstants;
  22 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  23 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  24 import org.eclipse.swt.SWT;
  25 import org.eclipse.swt.graphics.Font;
  26 import org.eclipse.swt.layout.GridData;
  27 import org.eclipse.swt.layout.GridLayout;
  28 import org.eclipse.swt.widgets.Composite;
  29 import org.eclipse.swt.widgets.Control;
  30 import org.eclipse.swt.widgets.Event;
  31 import org.eclipse.swt.widgets.Label;
  32 import org.eclipse.swt.widgets.Listener;
  33 import org.eclipse.swt.widgets.Shell;
  34 import org.eclipse.swt.widgets.Text;
  35 import org.eclipse.ui.dialogs.SelectionStatusDialog;
  36
  37 /**
  38  * Implementation of a dialog box to rename a trace.
  39  * <p>
  40  * @version 1.0
  41  * @author Francois Chouinard
  42  */
  43 public class RenameTraceDialog extends SelectionStatusDialog {
  44
  45     // ------------------------------------------------------------------------
  46     // Members
  47     // ------------------------------------------------------------------------
  48
  49     private final TmfTraceElement fTrace;
  50     private Text fNewTraceNameText;
  51
  52     // ------------------------------------------------------------------------
  53     // Constructor
  54     // ------------------------------------------------------------------------
  55     /**
  56      * Constructor
  57      * @param shell The parent shell
  58      * @param trace The trace element to rename
  59      */
  60     public RenameTraceDialog(Shell shell, TmfTraceElement trace) {
  61         super(shell);
  62         fTrace = trace;
  63         setTitle(Messages.RenameTraceDialog_DialogTitle);
  64         setStatusLineAboveButtons(true);
  65     }
  66
  67     // ------------------------------------------------------------------------
  68     // Dialog
  69     // ------------------------------------------------------------------------
  70
  71     @Override
  72     protected Control createDialogArea(Composite parent) {
  73         Composite composite = (Composite) super.createDialogArea(parent);
  74         composite.setLayout(new GridLayout());
  75         composite.setLayoutData(new GridData(GridData.FILL_BOTH));
  76
  77         createNewTraceNameGroup(composite);
  78         return composite;
  79     }
  80
  81     private void createNewTraceNameGroup(Composite parent) {
  82         Font font = parent.getFont();
  83         Composite folderGroup = new Composite(parent, SWT.NONE);
  84         GridLayout layout = new GridLayout();
  85         layout.numColumns = 2;
  86         folderGroup.setLayout(layout);
  87         folderGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  88
  89         // Old trace name label
  90         Label oldTraceLabel = new Label(folderGroup, SWT.NONE);
  91         oldTraceLabel.setFont(font);
  92         oldTraceLabel.setText(Messages.RenameTraceDialog_TraceName);
  93
  94         // Old trace name field
  95         Text oldTraceName = new Text(folderGroup, SWT.BORDER);
  96         GridData data = new GridData(GridData.FILL_HORIZONTAL);
  97         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
  98         oldTraceName.setLayoutData(data);
  99         oldTraceName.setFont(font);
 100         oldTraceName.setText(fTrace.getName());
 101         oldTraceName.setEnabled(false);
 102
 103         // New trace name label
 104         Label newTaceLabel = new Label(folderGroup, SWT.NONE);
 105         newTaceLabel.setFont(font);
 106         newTaceLabel.setText(Messages.RenameTraceDialog_TraceNewName);
 107
 108         // New trace name entry field
 109         fNewTraceNameText = new Text(folderGroup, SWT.BORDER);
 110         data = new GridData(GridData.FILL_HORIZONTAL);
 111         data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 112         fNewTraceNameText.setLayoutData(data);
 113         fNewTraceNameText.setFont(font);
 114         fNewTraceNameText.addListener(SWT.Modify, new Listener() {
 115             @Override
 116             public void handleEvent(Event event) {
 117                 validateNewTraceName();
 118             }
 119         });
 120     }
 121
 122     private void validateNewTraceName() {
 123
 124         String newTraceName = fNewTraceNameText.getText();
 125         IWorkspace workspace = fTrace.getResource().getWorkspace();
 126         IStatus nameStatus = workspace.validateName(newTraceName, IResource.FOLDER);
 127
 128         if ("".equals(newTraceName)) { //$NON-NLS-1$
 129             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
 130                     Messages.Dialog_EmptyNameError, null));
 131             return;
 132         }
 133
 134         if (!nameStatus.isOK()) {
 135             updateStatus(nameStatus);
 136             return;
 137         }
 138
 139         IContainer parentFolder = fTrace.getResource().getParent();
 140         if (parentFolder.findMember(newTraceName) != null) {
 141             updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
 142                     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         setSelectionResult(new String[] { fNewTraceNameText.getText() });
 166         super.okPressed();
 167     }
 168
 169 }