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Diffstat (limited to 'demos/spreadsheet/spreadsheetdelegate.cpp')
-rw-r--r-- | demos/spreadsheet/spreadsheetdelegate.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/demos/spreadsheet/spreadsheetdelegate.cpp b/demos/spreadsheet/spreadsheetdelegate.cpp new file mode 100644 index 0000000..465c92f --- /dev/null +++ b/demos/spreadsheet/spreadsheetdelegate.cpp @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "spreadsheetdelegate.h" +#include <QtGui> + +SpreadSheetDelegate::SpreadSheetDelegate(QObject *parent) + : QItemDelegate(parent) {} + +QWidget *SpreadSheetDelegate::createEditor(QWidget *parent, + const QStyleOptionViewItem &, + const QModelIndex &index) const +{ + if (index.column() == 1) { + QDateTimeEdit *editor = new QDateTimeEdit(parent); + editor->setDisplayFormat("dd/M/yyy"); + editor->setCalendarPopup(true); + return editor; + } + + QLineEdit *editor = new QLineEdit(parent); + + // create a completer with the strings in the column as model + QStringList allStrings; + for (int i = 1; i<index.model()->rowCount(); i++) { + QString strItem(index.model()->data(index.sibling(i, index.column()), + Qt::EditRole).toString()); + + if (!allStrings.contains(strItem)) + allStrings.append(strItem); + } + + QCompleter *autoComplete = new QCompleter(allStrings); + editor->setCompleter(autoComplete); + connect(editor, SIGNAL(editingFinished()), + this, SLOT(commitAndCloseEditor())); + return editor; +} + +void SpreadSheetDelegate::commitAndCloseEditor() +{ + QLineEdit *editor = qobject_cast<QLineEdit *>(sender()); + emit commitData(editor); + emit closeEditor(editor); +} + +void SpreadSheetDelegate::setEditorData(QWidget *editor, + const QModelIndex &index) const +{ + QLineEdit *edit = qobject_cast<QLineEdit*>(editor); + if (edit) { + edit->setText(index.model()->data(index, Qt::EditRole).toString()); + } else { + QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor); + if (dateEditor) { + dateEditor->setDate(QDate::fromString( + index.model()->data(index, Qt::EditRole).toString(), + "d/M/yy")); + } + } +} + +void SpreadSheetDelegate::setModelData(QWidget *editor, + QAbstractItemModel *model, const QModelIndex &index) const +{ + QLineEdit *edit = qobject_cast<QLineEdit *>(editor); + if (edit) { + model->setData(index, edit->text()); + } else { + QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor); + if (dateEditor) { + model->setData(index, dateEditor->date().toString("dd/M/yyy")); + } + } +} + |