valentina/src/widgets/textdelegate.h

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/************************************************************************
**
** @file textdelegate.h
** @author Roman Telezhinsky <dismine@gmail.com>
** @date 29 1, 2014
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Valentina 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#ifndef TEXTDELEGATE_H
#define TEXTDELEGATE_H
#include <QItemDelegate>
/**
* @brief The TextDelegate class a delegate that allows the user to change text values from the model
* using a edit line widget.
*/
class TextDelegate : public QItemDelegate
{
Q_OBJECT
public:
/**
* @brief TextDelegate constructor.
* @param parent parent widget.
*/
explicit TextDelegate(QObject *parent = nullptr);
/**
* @brief createEditorReturns the widget used to edit the item specified by index for editing. The parent widget and
* style option are used to control how the editor widget appears.
* @param parent parent widget.
* @param option item options.
* @param index index of data item.
* @return editor to be used for editing the data item.
*/
QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
/**
* @brief setEditorData sets the data to be displayed and edited by the editor from the data model item specified by
* the model index.
* @param editor editor.
* @param index index of data item.
*/
void setEditorData(QWidget *editor, const QModelIndex &index) const;
/**
* @brief setModelData gets data from the editor widget and stores it in the specified model at the item index.
* @param editor editor.
* @param model model.
* @param index index of data item.
*/
void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
/**
* @brief updateEditorGeometry updates the editor for the item specified by index according to the style option
* given.
* @param editor editor.
* @param option item options.
* @param index index of data item.
*/
void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const;
signals:
/**
* @brief SaveText help save text value of lineedit.
* @param text text.
*/
void SaveText(const QString &text) const;
public slots:
/**
* @brief commitAndCloseEditor commit value if changed.
*/
void commitAndCloseEditor();
/**
* @brief InitText initialize text.
* @param text text.
*/
void InitText(const QString &text);
private:
/**
* @brief lastValue last saved value.
*/
QString lastText;
};
#endif // TEXTDELEGATE_H