mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-16 02:25:50 +08:00
86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
/*
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Copyright (c) 2008-2024 Jan W. Krieger (<jan@jkrieger.de>)
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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This program 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 Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "jkqtplotter/gui/jkqtpgraphsmodel.h"
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#include "jkqtplotter/jkqtpbaseplotter.h"
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#include <QGuiApplication>
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#include "jkqtplotter/jkqtptools.h"
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#include "jkqtplotter/graphs/jkqtpscatter.h"
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#include <QImage>
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JKQTPGraphsModel::JKQTPGraphsModel(JKQTBasePlotter *parent):
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QAbstractTableModel(parent), m_plotter(parent)
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{
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}
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int JKQTPGraphsModel::rowCount(const QModelIndex &/*parent*/) const
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{
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return static_cast<int>(m_plotter->getGraphCount());
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}
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int JKQTPGraphsModel::columnCount(const QModelIndex &/*parent*/) const
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{
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return 1;
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}
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QVariant JKQTPGraphsModel::data(const QModelIndex &index, int role) const
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{
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if (role == Qt::DisplayRole) {
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if (index.row()<static_cast<int>(m_plotter->getGraphCount())) return m_plotter->getGraph(static_cast<size_t>(index.row()))->getTitle();
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} else if (role == Qt::CheckStateRole) {
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if (index.row()<static_cast<int>(m_plotter->getGraphCount())) return m_plotter->getGraph(static_cast<size_t>(index.row()))->isVisible()?Qt::Checked:Qt::Unchecked;
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} else if (role == Qt::DecorationRole) {
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if (index.row()<static_cast<int>(m_plotter->getGraphCount())) {
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const qreal dpr = qGuiApp->devicePixelRatio();
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QPixmap pix=QPixmap::fromImage(m_plotter->getGraph(static_cast<size_t>(index.row()))->generateKeyMarker(QSize(16,16)*dpr));
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pix.setDevicePixelRatio(dpr);
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return m_plotter->getGraph(static_cast<size_t>(index.row()))->generateKeyMarker(QSize(16,16));
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}
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}
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return QVariant();
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}
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bool JKQTPGraphsModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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if (role == Qt::CheckStateRole) {
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if (index.row()<static_cast<int>(m_plotter->getGraphCount())) {
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m_plotter->setGraphVisible(index.row(), value.toBool());
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return true;
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}
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}
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return false;
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}
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Qt::ItemFlags JKQTPGraphsModel::flags(const QModelIndex &index) const
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{
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return Qt::ItemIsUserCheckable | QAbstractTableModel::flags(index);
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}
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void JKQTPGraphsModel::plotUpdated()
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{
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beginResetModel();
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endResetModel();
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}
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