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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd
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** All rights reserved.
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** For any questions to The Qt Company, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and The Qt Company.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include <QtCharts/QBoxPlotModelMapper>
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#include <private/qboxplotmodelmapper_p.h>
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#include <QtCharts/QBoxPlotSeries>
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#include <QtCharts/QBoxSet>
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#include <QtCharts/QChart>
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#include <QtCore/QAbstractItemModel>
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QT_CHARTS_BEGIN_NAMESPACE
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QBoxPlotModelMapper::QBoxPlotModelMapper(QObject *parent) :
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QObject(parent),
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d_ptr(new QBoxPlotModelMapperPrivate(this))
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{
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}
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QAbstractItemModel *QBoxPlotModelMapper::model() const
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{
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Q_D(const QBoxPlotModelMapper);
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return d->m_model;
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}
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void QBoxPlotModelMapper::setModel(QAbstractItemModel *model)
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{
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if (model == 0)
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return;
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Q_D(QBoxPlotModelMapper);
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if (d->m_model)
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disconnect(d->m_model, 0, d, 0);
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d->m_model = model;
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d->initializeBoxFromModel();
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// connect signals from the model
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connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex)));
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connect(d->m_model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)), d, SLOT(modelHeaderDataUpdated(Qt::Orientation,int,int)));
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connect(d->m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelRowsAdded(QModelIndex,int,int)));
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connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelRowsRemoved(QModelIndex,int,int)));
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connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelColumnsAdded(QModelIndex,int,int)));
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connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelColumnsRemoved(QModelIndex,int,int)));
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connect(d->m_model, SIGNAL(destroyed()), d, SLOT(handleModelDestroyed()));
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}
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QBoxPlotSeries *QBoxPlotModelMapper::series() const
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{
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Q_D(const QBoxPlotModelMapper);
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return d->m_series;
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}
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void QBoxPlotModelMapper::setSeries(QBoxPlotSeries *series)
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{
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Q_D(QBoxPlotModelMapper);
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if (d->m_series)
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disconnect(d->m_series, 0, d, 0);
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if (series == 0)
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return;
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d->m_series = series;
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d->initializeBoxFromModel();
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// connect the signals from the series
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connect(d->m_series, SIGNAL(boxsetsAdded(QList<QBoxSet *>)), d, SLOT(boxSetsAdded(QList<QBoxSet *>)));
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connect(d->m_series, SIGNAL(boxsetsRemoved(QList<QBoxSet *>)), d, SLOT(boxSetsRemoved(QList<QBoxSet *>)));
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connect(d->m_series, SIGNAL(destroyed()), d, SLOT(handleSeriesDestroyed()));
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}
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/*!
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Returns which row/column of the model contains the first values of the QBoxSets in the series.
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The default value is 0.
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*/
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int QBoxPlotModelMapper::first() const
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{
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Q_D(const QBoxPlotModelMapper);
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return d->m_first;
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}
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/*!
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Sets which row/column of the model contains the \a first values of the QBoxSets in the series.
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The default value is 0.
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*/
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void QBoxPlotModelMapper::setFirst(int first)
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{
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Q_D(QBoxPlotModelMapper);
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d->m_first = qMax(first, 0);
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d->initializeBoxFromModel();
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}
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/*!
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Returns the number of rows/columns of the model that are mapped as the data for QBoxPlotSeries
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Minimal and default value is: -1 (count limited by the number of rows/columns in the model)
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*/
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int QBoxPlotModelMapper::count() const
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{
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Q_D(const QBoxPlotModelMapper);
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return d->m_count;
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}
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/*!
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Sets the \a count of rows/columns of the model that are mapped as the data for QBoxPlotSeries
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Minimal and default value is: -1 (count limited by the number of rows/columns in the model)
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*/
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void QBoxPlotModelMapper::setCount(int count)
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{
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Q_D(QBoxPlotModelMapper);
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d->m_count = qMax(count, -1);
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d->initializeBoxFromModel();
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}
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/*!
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Returns the orientation that is used when QBoxPlotModelMapper accesses the model.
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This means whether the consecutive values of the box-and-whiskers set are read from row (Qt::Horizontal)
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or from columns (Qt::Vertical)
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*/
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Qt::Orientation QBoxPlotModelMapper::orientation() const
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{
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Q_D(const QBoxPlotModelMapper);
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return d->m_orientation;
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}
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/*!
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Returns the \a orientation that is used when QBoxPlotModelMapper accesses the model.
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This mean whether the consecutive values of the box-and-whiskers set are read from row (Qt::Horizontal)
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or from columns (Qt::Vertical)
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*/
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void QBoxPlotModelMapper::setOrientation(Qt::Orientation orientation)
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{
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Q_D(QBoxPlotModelMapper);
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d->m_orientation = orientation;
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d->initializeBoxFromModel();
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}
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/*!
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Returns which section of the model is used as the data source for the first box set
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*/
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int QBoxPlotModelMapper::firstBoxSetSection() const
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{
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Q_D(const QBoxPlotModelMapper);
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return d->m_firstBoxSetSection;
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}
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/*!
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Sets the model section that is used as the data source for the first box set
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Parameter \a firstBoxSetSection specifies the section of the model.
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*/
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void QBoxPlotModelMapper::setFirstBoxSetSection(int firstBoxSetSection)
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{
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Q_D(QBoxPlotModelMapper);
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d->m_firstBoxSetSection = qMax(-1, firstBoxSetSection);
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d->initializeBoxFromModel();
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}
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/*!
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Returns which section of the model is used as the data source for the last box set
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*/
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int QBoxPlotModelMapper::lastBoxSetSection() const
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{
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Q_D(const QBoxPlotModelMapper);
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return d->m_lastBoxSetSection;
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}
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/*!
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Sets the model section that is used as the data source for the last box set
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Parameter \a lastBoxSetSection specifies the section of the model.
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*/
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void QBoxPlotModelMapper::setLastBoxSetSection(int lastBoxSetSection)
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{
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Q_D(QBoxPlotModelMapper);
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d->m_lastBoxSetSection = qMax(-1, lastBoxSetSection);
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d->initializeBoxFromModel();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QBoxPlotModelMapperPrivate::QBoxPlotModelMapperPrivate(QBoxPlotModelMapper *q) :
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QObject(q),
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m_series(0),
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m_model(0),
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m_first(0),
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m_count(-1),
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m_orientation(Qt::Vertical),
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m_firstBoxSetSection(-1),
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m_lastBoxSetSection(-1),
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m_seriesSignalsBlock(false),
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m_modelSignalsBlock(false),
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q_ptr(q)
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{
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}
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void QBoxPlotModelMapperPrivate::blockModelSignals(bool block)
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{
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m_modelSignalsBlock = block;
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}
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void QBoxPlotModelMapperPrivate::blockSeriesSignals(bool block)
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{
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m_seriesSignalsBlock = block;
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}
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QBoxSet *QBoxPlotModelMapperPrivate::boxSet(QModelIndex index)
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{
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if (!index.isValid())
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return 0;
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if (m_orientation == Qt::Vertical && index.column() >= m_firstBoxSetSection && index.column() <= m_lastBoxSetSection) {
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if (index.row() >= m_first && (m_count == - 1 || index.row() < m_first + m_count))
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return m_series->boxSets().at(index.column() - m_firstBoxSetSection);
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} else if (m_orientation == Qt::Horizontal && index.row() >= m_firstBoxSetSection && index.row() <= m_lastBoxSetSection) {
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if (index.column() >= m_first && (m_count == - 1 || index.column() < m_first + m_count))
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return m_series->boxSets().at(index.row() - m_firstBoxSetSection);
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}
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return 0; // This part of model has not been mapped to any boxset
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}
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QModelIndex QBoxPlotModelMapperPrivate::boxModelIndex(int boxSection, int posInBar)
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{
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if (m_count != -1 && posInBar >= m_count)
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return QModelIndex(); // invalid
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if (boxSection < m_firstBoxSetSection || boxSection > m_lastBoxSetSection)
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return QModelIndex(); // invalid
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if (m_orientation == Qt::Vertical)
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return m_model->index(posInBar + m_first, boxSection);
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else
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return m_model->index(boxSection, posInBar + m_first);
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}
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void QBoxPlotModelMapperPrivate::handleSeriesDestroyed()
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{
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m_series = 0;
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}
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void QBoxPlotModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
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{
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Q_UNUSED(topLeft)
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Q_UNUSED(bottomRight)
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if (m_model == 0 || m_series == 0)
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return;
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if (m_modelSignalsBlock)
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return;
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blockSeriesSignals();
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QModelIndex index;
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for (int row = topLeft.row(); row <= bottomRight.row(); row++) {
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for (int column = topLeft.column(); column <= bottomRight.column(); column++) {
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index = topLeft.sibling(row, column);
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QBoxSet *box = boxSet(index);
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if (box) {
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if (m_orientation == Qt::Vertical)
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box->setValue(row - m_first, m_model->data(index).toReal());
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else
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box->setValue(column - m_first, m_model->data(index).toReal());
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}
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}
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}
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blockSeriesSignals(false);
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}
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void QBoxPlotModelMapperPrivate::modelHeaderDataUpdated(Qt::Orientation orientation, int first, int last)
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{
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Q_UNUSED(orientation);
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Q_UNUSED(first);
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Q_UNUSED(last);
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}
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void QBoxPlotModelMapperPrivate::modelRowsAdded(QModelIndex parent, int start, int end)
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{
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Q_UNUSED(parent)
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if (m_modelSignalsBlock)
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return;
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blockSeriesSignals();
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if (m_orientation == Qt::Vertical)
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insertData(start, end);
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else if (start <= m_firstBoxSetSection || start <= m_lastBoxSetSection) // if the changes affect the map - reinitialize
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initializeBoxFromModel();
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blockSeriesSignals(false);
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}
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void QBoxPlotModelMapperPrivate::modelRowsRemoved(QModelIndex parent, int start, int end)
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{
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Q_UNUSED(parent)
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if (m_modelSignalsBlock)
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return;
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blockSeriesSignals();
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if (m_orientation == Qt::Vertical)
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removeData(start, end);
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else if (start <= m_firstBoxSetSection || start <= m_lastBoxSetSection) // if the changes affect the map - reinitialize
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initializeBoxFromModel();
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blockSeriesSignals(false);
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}
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void QBoxPlotModelMapperPrivate::modelColumnsAdded(QModelIndex parent, int start, int end)
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{
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Q_UNUSED(parent)
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if (m_modelSignalsBlock)
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return;
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blockSeriesSignals();
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if (m_orientation == Qt::Horizontal)
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insertData(start, end);
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else if (start <= m_firstBoxSetSection || start <= m_lastBoxSetSection) // if the changes affect the map - reinitialize
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initializeBoxFromModel();
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blockSeriesSignals(false);
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}
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void QBoxPlotModelMapperPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end)
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{
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Q_UNUSED(parent)
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if (m_modelSignalsBlock)
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return;
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blockSeriesSignals();
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if (m_orientation == Qt::Horizontal)
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removeData(start, end);
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else if (start <= m_firstBoxSetSection || start <= m_lastBoxSetSection) // if the changes affect the map - reinitialize
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initializeBoxFromModel();
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blockSeriesSignals(false);
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}
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void QBoxPlotModelMapperPrivate::handleModelDestroyed()
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{
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m_model = 0;
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}
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void QBoxPlotModelMapperPrivate::insertData(int start, int end)
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{
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Q_UNUSED(end)
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Q_UNUSED(start)
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Q_UNUSED(end)
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// Currently boxplotchart needs to be fully recalculated when change is made.
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// Re-initialize
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initializeBoxFromModel();
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}
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void QBoxPlotModelMapperPrivate::removeData(int start, int end)
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{
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Q_UNUSED(end)
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Q_UNUSED(start)
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Q_UNUSED(end)
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// Currently boxplotchart needs to be fully recalculated when change is made.
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// Re-initialize
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initializeBoxFromModel();
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}
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void QBoxPlotModelMapperPrivate::boxSetsAdded(QList<QBoxSet *> sets)
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{
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if (m_seriesSignalsBlock)
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return;
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if (sets.count() == 0)
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return;
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int firstIndex = m_series->boxSets().indexOf(sets.at(0));
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if (firstIndex == -1)
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return;
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int maxCount = 0;
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for (int i = 0; i < sets.count(); i++) {
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if (sets.at(i)->count() > m_count)
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maxCount = sets.at(i)->count();
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}
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if (m_count != -1 && m_count < maxCount)
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m_count = maxCount;
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m_lastBoxSetSection += sets.count();
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blockModelSignals();
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int modelCapacity = m_orientation == Qt::Vertical ? m_model->rowCount() - m_first : m_model->columnCount() - m_first;
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if (maxCount > modelCapacity) {
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if (m_orientation == Qt::Vertical)
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m_model->insertRows(m_model->rowCount(), maxCount - modelCapacity);
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else
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m_model->insertColumns(m_model->columnCount(), maxCount - modelCapacity);
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}
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if (m_orientation == Qt::Vertical)
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m_model->insertColumns(firstIndex + m_firstBoxSetSection, sets.count());
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else
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m_model->insertRows(firstIndex + m_firstBoxSetSection, sets.count());
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for (int i = firstIndex + m_firstBoxSetSection; i < firstIndex + m_firstBoxSetSection + sets.count(); i++) {
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for (int j = 0; j < sets.at(i - firstIndex - m_firstBoxSetSection)->count(); j++)
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m_model->setData(boxModelIndex(i, j), sets.at(i - firstIndex - m_firstBoxSetSection)->at(j));
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}
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blockModelSignals(false);
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initializeBoxFromModel();
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}
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void QBoxPlotModelMapperPrivate::boxSetsRemoved(QList<QBoxSet *> sets)
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{
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if (m_seriesSignalsBlock)
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return;
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if (sets.count() == 0)
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return;
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int firstIndex = m_boxSets.indexOf(sets.at(0));
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if (firstIndex == -1)
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return;
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m_lastBoxSetSection -= sets.count();
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for (int i = firstIndex + sets.count() - 1; i >= firstIndex; i--)
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m_boxSets.removeAt(i);
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blockModelSignals();
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if (m_orientation == Qt::Vertical)
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m_model->removeColumns(firstIndex + m_firstBoxSetSection, sets.count());
|
|
|
else
|
|
|
m_model->removeRows(firstIndex + m_firstBoxSetSection, sets.count());
|
|
|
blockModelSignals(false);
|
|
|
initializeBoxFromModel();
|
|
|
}
|
|
|
|
|
|
void QBoxPlotModelMapperPrivate::boxValueChanged(int index)
|
|
|
{
|
|
|
if (m_seriesSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
int boxSetIndex = m_boxSets.indexOf(qobject_cast<QBoxSet *>(QObject::sender()));
|
|
|
|
|
|
blockModelSignals();
|
|
|
m_model->setData(boxModelIndex(boxSetIndex + m_firstBoxSetSection, index), m_boxSets.at(boxSetIndex)->at(index));
|
|
|
blockModelSignals(false);
|
|
|
initializeBoxFromModel();
|
|
|
}
|
|
|
|
|
|
void QBoxPlotModelMapperPrivate::initializeBoxFromModel()
|
|
|
{
|
|
|
if (m_model == 0 || m_series == 0)
|
|
|
return;
|
|
|
|
|
|
blockSeriesSignals();
|
|
|
// clear current content
|
|
|
m_series->clear();
|
|
|
m_boxSets.clear();
|
|
|
|
|
|
// create the initial box-and-whiskers sets
|
|
|
for (int i = m_firstBoxSetSection; i <= m_lastBoxSetSection; i++) {
|
|
|
int posInBar = 0;
|
|
|
QModelIndex boxIndex = boxModelIndex(i, posInBar);
|
|
|
// check if there is such model index
|
|
|
if (boxIndex.isValid()) {
|
|
|
QBoxSet *boxSet = new QBoxSet();
|
|
|
while (boxIndex.isValid()) {
|
|
|
boxSet->append(m_model->data(boxIndex, Qt::DisplayRole).toDouble());
|
|
|
posInBar++;
|
|
|
boxIndex = boxModelIndex(i, posInBar);
|
|
|
}
|
|
|
connect(boxSet, SIGNAL(valueChanged(int)), this, SLOT(boxValueChanged(int)));
|
|
|
m_series->append(boxSet);
|
|
|
m_boxSets.append(boxSet);
|
|
|
} else {
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
blockSeriesSignals(false);
|
|
|
}
|
|
|
|
|
|
#include "moc_qboxplotmodelmapper.cpp"
|
|
|
#include "moc_qboxplotmodelmapper_p.cpp"
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
|
|
|
