demos/spreadsheet/spreadsheetdelegate.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
equal deleted inserted replaced
-1:000000000000 0:1918ee327afb
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the demonstration applications of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "spreadsheetdelegate.h"
       
    43 #include <QtGui>
       
    44 
       
    45 SpreadSheetDelegate::SpreadSheetDelegate(QObject *parent)
       
    46         : QItemDelegate(parent) {}
       
    47 
       
    48 QWidget *SpreadSheetDelegate::createEditor(QWidget *parent,
       
    49                                           const QStyleOptionViewItem &,
       
    50                                           const QModelIndex &index) const
       
    51 {
       
    52     if (index.column() == 1) {
       
    53         QDateTimeEdit *editor = new QDateTimeEdit(parent);
       
    54         editor->setDisplayFormat("dd/M/yyyy");
       
    55         editor->setCalendarPopup(true);
       
    56         return editor;
       
    57     }
       
    58 
       
    59     QLineEdit *editor = new QLineEdit(parent);
       
    60 
       
    61     // create a completer with the strings in the column as model
       
    62     QStringList allStrings;
       
    63     for (int i = 1; i<index.model()->rowCount(); i++) {
       
    64         QString strItem(index.model()->data(index.sibling(i, index.column()),
       
    65             Qt::EditRole).toString());
       
    66 
       
    67         if (!allStrings.contains(strItem))
       
    68             allStrings.append(strItem);
       
    69     }
       
    70 
       
    71     QCompleter *autoComplete = new QCompleter(allStrings);
       
    72     editor->setCompleter(autoComplete);
       
    73     connect(editor, SIGNAL(editingFinished()),
       
    74         this, SLOT(commitAndCloseEditor()));
       
    75     return editor;
       
    76 }
       
    77 
       
    78 void SpreadSheetDelegate::commitAndCloseEditor()
       
    79 {
       
    80     QLineEdit *editor = qobject_cast<QLineEdit *>(sender());
       
    81     emit commitData(editor);
       
    82     emit closeEditor(editor);
       
    83 }
       
    84 
       
    85 void SpreadSheetDelegate::setEditorData(QWidget *editor,
       
    86     const QModelIndex &index) const
       
    87 {
       
    88     QLineEdit *edit = qobject_cast<QLineEdit*>(editor);
       
    89     if (edit) {
       
    90         edit->setText(index.model()->data(index, Qt::EditRole).toString());
       
    91     } else {
       
    92         QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
       
    93         if (dateEditor) {
       
    94             dateEditor->setDate(QDate::fromString(
       
    95             index.model()->data(index, Qt::EditRole).toString(),
       
    96             "d/M/yyyy"));
       
    97         }
       
    98     }
       
    99 }
       
   100 
       
   101 void SpreadSheetDelegate::setModelData(QWidget *editor,
       
   102     QAbstractItemModel *model, const QModelIndex &index) const
       
   103 {
       
   104     QLineEdit *edit = qobject_cast<QLineEdit *>(editor);
       
   105     if (edit) {
       
   106         model->setData(index, edit->text());
       
   107     } else {
       
   108         QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
       
   109         if (dateEditor) {
       
   110             model->setData(index, dateEditor->date().toString("dd/M/yyyy"));
       
   111         }
       
   112     }
       
   113 }
       
   114