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create/src/Mod/Spreadsheet/Gui/SpreadsheetDelegate.cpp

101 lines
3.9 KiB
C++

/***************************************************************************
* Copyright (c) 2015 Eivind Kvedalen (eivind@kvedalen.name) *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This file is based on the Qt spreadsheet example code. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <QItemDelegate>
#include <QLineEdit>
#endif
#include "SpreadsheetDelegate.h"
#include "LineEdit.h"
#include <App/DocumentObject.h>
#include <Mod/Spreadsheet/App/Sheet.h>
#include <Gui/ExpressionCompleter.h>
using namespace SpreadsheetGui;
SpreadsheetDelegate::SpreadsheetDelegate(Spreadsheet::Sheet * _sheet, QWidget *parent)
: QItemDelegate(parent)
, sheet(_sheet)
{
}
QWidget *SpreadsheetDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &,
const QModelIndex &index) const
{
SpreadsheetGui::LineEdit *editor = new SpreadsheetGui::LineEdit(parent);
editor->setIndex(index);
editor->setDocumentObject(sheet);
connect(editor, SIGNAL(returnPressed()), this, SLOT(commitAndCloseEditor()));
return editor;
}
void SpreadsheetDelegate::commitAndCloseEditor()
{
Gui::ExpressionLineEdit *editor = qobject_cast<Gui::ExpressionLineEdit *>(sender());
if (editor->completerActive()) {
editor->hideCompleter();
return;
}
// See https://forum.freecadweb.org/viewtopic.php?f=3&t=41694
// It looks like the slot commitAndCloseEditor() is not needed any more and even
// causes a crash when doing so because the LineEdit is still accessed after its destruction.
//Q_EMIT commitData(editor);
//Q_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());
return;
}
}
void SpreadsheetDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model, const QModelIndex &index) const
{
QLineEdit *edit = qobject_cast<QLineEdit *>(editor);
if (edit) {
model->setData(index, edit->text());
return;
}
}
QSize SpreadsheetDelegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const
{
Q_UNUSED(option);
Q_UNUSED(index);
return QSize();
}
#include "moc_SpreadsheetDelegate.cpp"