135 lines
5.3 KiB
C++
135 lines
5.3 KiB
C++
/************************************************************************
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**
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** @file doubledelegate.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date November 15, 2013
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**
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** @brief
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** @copyright
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** This source code is part of the Valentine project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "doubledelegate.h"
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#include <QDoubleSpinBox>
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#include "../options.h"
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief createEditorReturns the widget used to edit the item specified by index for editing. The parent widget and
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* style option are used to control how the editor widget appears.
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* @param parent parent widget.
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* @param option item options.
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* @param index index of data item.
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* @return editor to be used for editing the data item.
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*/
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//cppcheck-suppress unusedFunction
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DoubleSpinBoxDelegate::DoubleSpinBoxDelegate(QObject *parent): QItemDelegate(parent), lastValue(-10001.0)
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{
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//Little hack. Help save value in const method.
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connect(this, &DoubleSpinBoxDelegate::NewLastValue, this, &DoubleSpinBoxDelegate::SetLastValue);
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}
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QWidget *DoubleSpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option,
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const QModelIndex &index ) const
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{
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Q_UNUSED(option);
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Q_UNUSED(index);
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emit NewLastValue(-10001.0);//Here need reset value to default because we begin work with new item
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QDoubleSpinBox *editor = new QDoubleSpinBox(parent);
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editor->setMinimum(-10000.0);
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editor->setMaximum(10000.0);
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connect(editor, &QDoubleSpinBox::editingFinished, this, &DoubleSpinBoxDelegate::commitAndCloseEditor);
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return editor;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief setEditorData sets the data to be displayed and edited by the editor from the data model item specified by
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* the model index.
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* @param editor editor.
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* @param index index of data item.
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*/
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//cppcheck-suppress unusedFunction
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void DoubleSpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
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{
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qreal value = index.model()->data(index, Qt::EditRole).toDouble();
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QDoubleSpinBox *spinBox = qobject_cast<QDoubleSpinBox*>(editor);
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SCASSERT(spinBox != nullptr);
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spinBox->setValue(value);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief setModelData gets data from the editor widget and stores it in the specified model at the item index.
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* @param editor editor.
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* @param model model.
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* @param index index of data item.
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*/
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//cppcheck-suppress unusedFunction
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void DoubleSpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
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{
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QDoubleSpinBox *spinBox = qobject_cast<QDoubleSpinBox*>(editor);
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SCASSERT(spinBox != nullptr);
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spinBox->interpretText();
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qreal value = spinBox->value();
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model->setData(index, value, Qt::EditRole);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief updateEditorGeometry updates the editor for the item specified by index according to the style option
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* given.
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* @param editor editor.
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* @param option item options.
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* @param index index of data item.
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*/
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//cppcheck-suppress unusedFunction
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void DoubleSpinBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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Q_UNUSED(index)
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editor->setGeometry(option.rect);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief commitAndCloseEditor commit value if changed.
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*/
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void DoubleSpinBoxDelegate::commitAndCloseEditor()
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{
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QDoubleSpinBox *spinBox = qobject_cast<QDoubleSpinBox*>(sender());
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SCASSERT(spinBox != nullptr);
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qreal value = spinBox->value();
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if (qFuzzyCompare ( lastValue, value ) == false)
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{
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lastValue = value;
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emit commitData(spinBox);
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}
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emit closeEditor(spinBox);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void DoubleSpinBoxDelegate::SetLastValue(const qreal &newLastValue)
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{
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lastValue = newLastValue;
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}
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