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#include "qpiemodelmapper_p.h"
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#include "qpiemodelmapper.h"
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#include "qpieseries.h"
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#include "qpieslice.h"
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#include <QAbstractItemModel>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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QPieModelMapper::QPieModelMapper(QObject *parent) :
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QObject(parent),
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d_ptr(new QPieModelMapperPrivate(this))
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{
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}
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int QPieModelMapper::first() const
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{
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Q_D(const QPieModelMapper);
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return d->m_first;
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}
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void QPieModelMapper::setFirst(int first)
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{
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Q_D(QPieModelMapper);
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d->m_first = qMax(first, 0);
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// emit updated();
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}
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int QPieModelMapper::count() const
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{
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Q_D(const QPieModelMapper);
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return d->m_count;
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}
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void QPieModelMapper::setCount(int count)
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{
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Q_D(QPieModelMapper);
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d->m_count = qMax(count, -1);
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// emit updated();
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}
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Qt::Orientation QPieModelMapper::orientation() const
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{
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Q_D(const QPieModelMapper);
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return d->m_orientation;
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}
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void QPieModelMapper::setOrientation(Qt::Orientation orientation)
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{
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Q_D(QPieModelMapper);
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d->m_orientation = orientation;
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// emit updated();
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}
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int QPieModelMapper::mapValues() const
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{
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Q_D(const QPieModelMapper);
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return d->m_mapValues;
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}
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void QPieModelMapper::setMapValues(int mapValues)
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{
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Q_D(QPieModelMapper);
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d->m_mapValues = mapValues;
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// emit updated();
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}
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int QPieModelMapper::mapLabels() const
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{
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Q_D(const QPieModelMapper);
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return d->m_mapLabels;
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}
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void QPieModelMapper::setMapLabels(int mapLabels)
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{
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Q_D(QPieModelMapper);
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d->m_mapLabels = mapLabels;
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// emit updated();
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}
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void QPieModelMapper::reset()
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{
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Q_D(QPieModelMapper);
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d->m_first = 0;
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d->m_count = -1;
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d->m_orientation = Qt::Vertical;
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d->m_mapValues = -1;
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d->m_mapLabels = -1;
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// emit updated();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QPieModelMapperPrivate::QPieModelMapperPrivate(QPieModelMapper *q) :
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q_ptr(q)
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{
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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_mapValues = -1;
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m_mapLabels = -1;
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}
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int QPieModelMapperPrivate::getSliceIndex()
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{
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// invalid
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return -1;
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}
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void QPieModelMapperPrivate::setModel(QAbstractItemModel *model)
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{
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if (model == 0)
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return;
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if(m_model)
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{
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// disconnect signals from old model
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disconnect(m_model, 0, this, 0);
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}
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m_model = model;
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// connect signals from the model
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connect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex,QModelIndex)));
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connect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(modelRowsAdded(QModelIndex,int,int)));
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connect(m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(modelRowsRemoved(QModelIndex,int,int)));
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connect(m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), this, SLOT(modelColumnsAdded(QModelIndex,int,int)));
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connect(m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), this, SLOT(modelColumnsRemoved(QModelIndex,int,int)));
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}
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void QPieModelMapperPrivate::slicesAdded()
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{
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//
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}
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void QPieModelMapperPrivate::slicesRemoved()
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{
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//
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}
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void QPieModelMapperPrivate::sliceChanged()
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{
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//
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}
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void QPieModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
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{
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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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if (m_orientation == Qt::Vertical)
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{
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if ( topLeft.row() >= m_first && (m_count == - 1 || topLeft.row() < m_first + m_count)) {
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if (topLeft.column() == m_mapValues)
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m_series->slices().at(topLeft.row() - m_first)->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
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if (topLeft.column() == m_mapLabels)
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m_series->slices().at(topLeft.row() - m_first)->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
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}
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}
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else
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{
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if (topLeft.column() >= m_first && (m_count == - 1 || topLeft.column() < m_first + m_count)) {
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if (topLeft.row() == m_mapValues)
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m_series->slices().at(topLeft.column() - m_first)->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
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if (topLeft.row() == m_mapLabels)
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m_series->slices().at(topLeft.column() - m_first)->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
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}
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}
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}
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}
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}
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//void QPieModelMapperPrivate::modelRowsAdded(QModelIndex parent, int start, int end)
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//{
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// Q_UNUSED(parent);
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// if (m_mapper->orientation() == Qt::Vertical)
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// insertData(start, end);
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// else if (start <= m_mapValues || start <= m_mapLabels) // if the changes affect the map - reinitialize the pie
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// initializePieFromModel();
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//}
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//void QPieModelMapperPrivate::modelRowsRemoved(QModelIndex parent, int start, int end)
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//{
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// Q_UNUSED(parent);
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// if (m_mapper->orientation() == Qt::Vertical)
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// removeData(start, end);
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// else if (start <= m_mapValues || start <= m_mapLabels) // if the changes affect the map - reinitialize the pie
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// initializePieFromModel();
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//}
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//void QPieModelMapperPrivate::modelColumnsAdded(QModelIndex parent, int start, int end)
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//{
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// Q_UNUSED(parent);
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// if (m_mapper->orientation() == Qt::Horizontal)
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// insertData(start, end);
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// else if (start <= m_mapValues || start <= m_mapLabels) // if the changes affect the map - reinitialize the pie
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// initializePieFromModel();
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//}
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//void QPieModelMapperPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end)
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//{
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// Q_UNUSED(parent);
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// if (m_mapper->orientation() == Qt::Horizontal)
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// removeData(start, end);
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// else if (start <= m_mapValues || start <= m_mapLabels) // if the changes affect the map - reinitialize the pie
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// initializePieFromModel();
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//}
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//void QPieModelMapperPrivate::insertData(int start, int end)
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//{
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// Q_Q(QPieSeries);
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// if (m_count != -1 && start >= m_first + m_count) {
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// return;
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// } else {
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// int addedCount = end - start + 1;
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// if (m_count != -1 && addedCount > m_count)
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// addedCount = m_count;
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// int first = qMax(start, m_first);
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// int last = qMin(first + addedCount - 1, m_mapper->orientation() == Qt::Vertical ? m_model->rowCount() - 1 : m_model->columnCount() - 1);
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// for (int i = first; i <= last; i++) {
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// QPieSlice *slice = new QPieSlice;
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// if (m_mapper->orientation() == Qt::Vertical) {
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// slice->setValue(m_model->data(m_model->index(i, m_mapValues), Qt::DisplayRole).toDouble());
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// slice->setLabel(m_model->data(m_model->index(i, m_mapLabels), Qt::DisplayRole).toString());
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// } else {
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// slice->setValue(m_model->data(m_model->index(m_mapValues, i), Qt::DisplayRole).toDouble());
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// slice->setLabel(m_model->data(m_model->index(m_mapLabels, i), Qt::DisplayRole).toString());
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// }
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// slice->setLabelVisible();
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// q->insert(i - m_first, slice);
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// }
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// if (m_count != -1 && m_series->slices().size() > m_count)
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// for (int i = m_series->slices().size() - 1; i >= m_count; i--)
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// q->remove(q->slices().at(i));
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// }
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//}
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//void QPieModelMapperPrivate::removeData(int start, int end)
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//{
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// Q_Q(QPieSeries);
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// int removedCount = end - start + 1;
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// if (m_count != -1 && start >= m_first + m_count) {
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// return;
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// } else {
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// int toRemove = qMin(m_series->slices().size(), removedCount); // first find how many items can actually be removed
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// int first = qMax(start, m_first); // get the index of the first item that will be removed.
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// int last = qMin(first + toRemove - 1, m_series->slices().size() + m_first - 1); // get the index of the last item that will be removed.
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// for (int i = last; i >= first; i--)
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// q->remove(q->slices().at(i - m_first));
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// if (m_count != -1) {
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// int itemsAvailable; // check how many are available to be added
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// if (m_mapper->orientation() == Qt::Vertical)
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// itemsAvailable = m_model->rowCount() - m_first - m_series->slices().size();
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// else
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// itemsAvailable = m_model->columnCount() - m_first - m_series->slices().size();
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// int toBeAdded = qMin(itemsAvailable, m_count - m_series->slices().size()); // add not more items than there is space left to be filled.
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// int currentSize = m_series->slices().size();
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// if (toBeAdded > 0)
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// for (int i = m_series->slices().size(); i < currentSize + toBeAdded; i++) {
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// QPieSlice *slice = new QPieSlice;
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// if (m_mapper->orientation() == Qt::Vertical) {
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// slice->setValue(m_model->data(m_model->index(i + m_first, m_mapValues), Qt::DisplayRole).toDouble());
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// slice->setLabel(m_model->data(m_model->index(i + m_first, m_mapLabels), Qt::DisplayRole).toString());
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// } else {
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// slice->setValue(m_model->data(m_model->index(m_mapValues, i + m_first), Qt::DisplayRole).toDouble());
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// slice->setLabel(m_model->data(m_model->index(m_mapLabels, i + m_first), Qt::DisplayRole).toString());
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// }
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// slice->setLabelVisible();
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// q->insert(i, slice);
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// }
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// }
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// }
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//}
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//void QPieModelMapperPrivate::initializePieFromModel()
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//{
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// Q_Q(QPieSeries);
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// // clear current content
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// q->clear();
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// if (m_model == 0 || m_mapper == 0)
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// return;
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// // check if mappings are set
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// if (m_mapValues == -1 || m_mapLabels == -1)
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// return;
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// // create the initial slices set
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// if (m_mapper->orientation() == Qt::Vertical) {
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// if (m_mapValues >= m_model->columnCount() || m_mapLabels >= m_model->columnCount())
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// return; // mapped columns are not existing
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// int sliceCount = 0;
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// if(m_count == -1)
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// sliceCount = m_model->rowCount() - m_first;
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// else
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// sliceCount = qMin(m_count, m_model->rowCount() - m_first);
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// for (int i = m_first; i < m_first + sliceCount; i++)
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// q->append(m_model->data(m_model->index(i, m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, m_mapLabels), Qt::DisplayRole).toString());
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// } else {
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// if (m_mapValues >= m_model->rowCount() || m_mapLabels >= m_model->rowCount())
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// return; // mapped columns are not existing
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// int sliceCount = 0;
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// if(m_count == -1)
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// sliceCount = m_model->columnCount() - m_first;
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// else
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// sliceCount = qMin(m_count, m_model->columnCount() - m_first);
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// for (int i = m_first; i < m_first + sliceCount; i++)
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// q->append(m_model->data(m_model->index(m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(m_mapLabels, i), Qt::DisplayRole).toString());
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// }
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// q->setLabelsVisible(true);
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//}
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#include "moc_qpiemodelmapper_p.cpp"
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#include "moc_qpiemodelmapper.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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