|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2013 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Enterprise Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Enterprise licenses may use this file in
|
|
|
** accordance with the Qt Enterprise License Agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include "qpiemodelmapper.h"
|
|
|
#include "qpiemodelmapper_p.h"
|
|
|
#include "qpieseries.h"
|
|
|
#include "qpieslice.h"
|
|
|
#include <QAbstractItemModel>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
QPieModelMapper::QPieModelMapper(QObject *parent)
|
|
|
: QObject(parent),
|
|
|
d_ptr(new QPieModelMapperPrivate(this))
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QAbstractItemModel *QPieModelMapper::model() const
|
|
|
{
|
|
|
Q_D(const QPieModelMapper);
|
|
|
return d->m_model;
|
|
|
}
|
|
|
|
|
|
void QPieModelMapper::setModel(QAbstractItemModel *model)
|
|
|
{
|
|
|
if (model == 0)
|
|
|
return;
|
|
|
|
|
|
Q_D(QPieModelMapper);
|
|
|
if (d->m_model) {
|
|
|
disconnect(d->m_model, 0, d, 0);
|
|
|
}
|
|
|
|
|
|
d->m_model = model;
|
|
|
d->initializePieFromModel();
|
|
|
// connect signals from the model
|
|
|
connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex)));
|
|
|
connect(d->m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelRowsAdded(QModelIndex,int,int)));
|
|
|
connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelRowsRemoved(QModelIndex,int,int)));
|
|
|
connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelColumnsAdded(QModelIndex,int,int)));
|
|
|
connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelColumnsRemoved(QModelIndex,int,int)));
|
|
|
connect(d->m_model, SIGNAL(destroyed()), d, SLOT(handleModelDestroyed()));
|
|
|
}
|
|
|
|
|
|
QPieSeries *QPieModelMapper::series() const
|
|
|
{
|
|
|
Q_D(const QPieModelMapper);
|
|
|
return d->m_series;
|
|
|
}
|
|
|
|
|
|
void QPieModelMapper::setSeries(QPieSeries *series)
|
|
|
{
|
|
|
Q_D(QPieModelMapper);
|
|
|
if (d->m_series) {
|
|
|
disconnect(d->m_series, 0, d, 0);
|
|
|
}
|
|
|
|
|
|
if (series == 0)
|
|
|
return;
|
|
|
|
|
|
d->m_series = series;
|
|
|
d->initializePieFromModel();
|
|
|
// connect the signals from the series
|
|
|
connect(d->m_series, SIGNAL(added(QList<QPieSlice*>)), d, SLOT(slicesAdded(QList<QPieSlice*>)));
|
|
|
connect(d->m_series, SIGNAL(removed(QList<QPieSlice*>)), d, SLOT(slicesRemoved(QList<QPieSlice*>)));
|
|
|
connect(d->m_series, SIGNAL(destroyed()), d, SLOT(handleSeriesDestroyed()));
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Defines which row/column of the model contains the first slice value.
|
|
|
Minimal and default value is: 0
|
|
|
*/
|
|
|
int QPieModelMapper::first() const
|
|
|
{
|
|
|
Q_D(const QPieModelMapper);
|
|
|
return d->m_first;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets which row/column of the model contains the \a first slice value.
|
|
|
Minimal and default value is: 0
|
|
|
*/
|
|
|
void QPieModelMapper::setFirst(int first)
|
|
|
{
|
|
|
Q_D(QPieModelMapper);
|
|
|
d->m_first = qMax(first, 0);
|
|
|
d->initializePieFromModel();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Defines the number of rows/columns of the model that are mapped as the data for QPieSeries
|
|
|
Minimal and default value is: -1 (count limited by the number of rows/columns in the model)
|
|
|
*/
|
|
|
int QPieModelMapper::count() const
|
|
|
{
|
|
|
Q_D(const QPieModelMapper);
|
|
|
return d->m_count;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Defines the \a count of rows/columns of the model that are mapped as the data for QPieSeries
|
|
|
Minimal and default value is: -1 (count limited by the number of rows/columns in the model)
|
|
|
*/
|
|
|
void QPieModelMapper::setCount(int count)
|
|
|
{
|
|
|
Q_D(QPieModelMapper);
|
|
|
d->m_count = qMax(count, -1);
|
|
|
d->initializePieFromModel();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns the orientation that is used when QPieModelMapper accesses the model.
|
|
|
This mean whether the consecutive values/labels of the pie are read from row (Qt::Horizontal)
|
|
|
or from columns (Qt::Vertical)
|
|
|
*/
|
|
|
Qt::Orientation QPieModelMapper::orientation() const
|
|
|
{
|
|
|
Q_D(const QPieModelMapper);
|
|
|
return d->m_orientation;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns the \a orientation that is used when QPieModelMapper accesses the model.
|
|
|
This mean whether the consecutive values/labels of the pie are read from row (Qt::Horizontal)
|
|
|
or from columns (Qt::Vertical)
|
|
|
*/
|
|
|
void QPieModelMapper::setOrientation(Qt::Orientation orientation)
|
|
|
{
|
|
|
Q_D(QPieModelMapper);
|
|
|
d->m_orientation = orientation;
|
|
|
d->initializePieFromModel();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns which section of the model is kept in sync with the values of the pie's slices
|
|
|
*/
|
|
|
int QPieModelMapper::valuesSection() const
|
|
|
{
|
|
|
Q_D(const QPieModelMapper);
|
|
|
return d->m_valuesSection;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets the model section that is kept in sync with the pie slices values.
|
|
|
Parameter \a valuesSection specifies the section of the model.
|
|
|
*/
|
|
|
void QPieModelMapper::setValuesSection(int valuesSection)
|
|
|
{
|
|
|
Q_D(QPieModelMapper);
|
|
|
d->m_valuesSection = qMax(-1, valuesSection);
|
|
|
d->initializePieFromModel();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns which section of the model is kept in sync with the labels of the pie's slices
|
|
|
*/
|
|
|
int QPieModelMapper::labelsSection() const
|
|
|
{
|
|
|
Q_D(const QPieModelMapper);
|
|
|
return d->m_labelsSection;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets the model section that is kept in sync with the pie slices labels.
|
|
|
Parameter \a labelsSection specifies the section of the model.
|
|
|
*/
|
|
|
void QPieModelMapper::setLabelsSection(int labelsSection)
|
|
|
{
|
|
|
Q_D(QPieModelMapper);
|
|
|
d->m_labelsSection = qMax(-1, labelsSection);
|
|
|
d->initializePieFromModel();
|
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
QPieModelMapperPrivate::QPieModelMapperPrivate(QPieModelMapper *q) :
|
|
|
QObject(q),
|
|
|
m_series(0),
|
|
|
m_model(0),
|
|
|
m_first(0),
|
|
|
m_count(-1),
|
|
|
m_orientation(Qt::Vertical),
|
|
|
m_valuesSection(-1),
|
|
|
m_labelsSection(-1),
|
|
|
m_seriesSignalsBlock(false),
|
|
|
m_modelSignalsBlock(false),
|
|
|
q_ptr(q)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::blockModelSignals(bool block)
|
|
|
{
|
|
|
m_modelSignalsBlock = block;
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::blockSeriesSignals(bool block)
|
|
|
{
|
|
|
m_seriesSignalsBlock = block;
|
|
|
}
|
|
|
|
|
|
|
|
|
QPieSlice *QPieModelMapperPrivate::pieSlice(QModelIndex index) const
|
|
|
{
|
|
|
if (!index.isValid())
|
|
|
return 0; // index is invalid
|
|
|
|
|
|
if (m_orientation == Qt::Vertical && (index.column() == m_valuesSection || index.column() == m_labelsSection)) {
|
|
|
if (index.row() >= m_first && (m_count == - 1 || index.row() < m_first + m_count)) {
|
|
|
if (m_model->index(index.row(), m_valuesSection).isValid() && m_model->index(index.row(), m_labelsSection).isValid())
|
|
|
return m_series->slices().at(index.row() - m_first);
|
|
|
else
|
|
|
return 0;
|
|
|
}
|
|
|
} else if (m_orientation == Qt::Horizontal && (index.row() == m_valuesSection || index.row() == m_labelsSection)) {
|
|
|
if (index.column() >= m_first && (m_count == - 1 || index.column() < m_first + m_count)) {
|
|
|
if (m_model->index(m_valuesSection, index.column()).isValid() && m_model->index(m_labelsSection, index.column()).isValid())
|
|
|
return m_series->slices().at(index.column() - m_first);
|
|
|
else
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
return 0; // This part of model has not been mapped to any slice
|
|
|
}
|
|
|
|
|
|
QModelIndex QPieModelMapperPrivate::valueModelIndex(int slicePos)
|
|
|
{
|
|
|
if (m_count != -1 && slicePos >= m_count)
|
|
|
return QModelIndex(); // invalid
|
|
|
|
|
|
if (m_orientation == Qt::Vertical)
|
|
|
return m_model->index(slicePos + m_first, m_valuesSection);
|
|
|
else
|
|
|
return m_model->index(m_valuesSection, slicePos + m_first);
|
|
|
}
|
|
|
|
|
|
QModelIndex QPieModelMapperPrivate::labelModelIndex(int slicePos)
|
|
|
{
|
|
|
if (m_count != -1 && slicePos >= m_count)
|
|
|
return QModelIndex(); // invalid
|
|
|
|
|
|
if (m_orientation == Qt::Vertical)
|
|
|
return m_model->index(slicePos + m_first, m_labelsSection);
|
|
|
else
|
|
|
return m_model->index(m_labelsSection, slicePos + m_first);
|
|
|
}
|
|
|
|
|
|
bool QPieModelMapperPrivate::isLabelIndex(QModelIndex index) const
|
|
|
{
|
|
|
if (m_orientation == Qt::Vertical && index.column() == m_labelsSection)
|
|
|
return true;
|
|
|
else if (m_orientation == Qt::Horizontal && index.row() == m_labelsSection)
|
|
|
return true;
|
|
|
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
bool QPieModelMapperPrivate::isValueIndex(QModelIndex index) const
|
|
|
{
|
|
|
if (m_orientation == Qt::Vertical && index.column() == m_valuesSection)
|
|
|
return true;
|
|
|
else if (m_orientation == Qt::Horizontal && index.row() == m_valuesSection)
|
|
|
return true;
|
|
|
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::slicesAdded(QList<QPieSlice *> slices)
|
|
|
{
|
|
|
if (m_seriesSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
if (slices.count() == 0)
|
|
|
return;
|
|
|
|
|
|
int firstIndex = m_series->slices().indexOf(slices.at(0));
|
|
|
if (firstIndex == -1)
|
|
|
return;
|
|
|
|
|
|
if (m_count != -1)
|
|
|
m_count += slices.count();
|
|
|
|
|
|
for (int i = firstIndex; i < firstIndex + slices.count(); i++) {
|
|
|
m_slices.insert(i, slices.at(i - firstIndex));
|
|
|
connect(slices.at(i - firstIndex), SIGNAL(labelChanged()), this, SLOT(sliceLabelChanged()));
|
|
|
connect(slices.at(i - firstIndex), SIGNAL(valueChanged()), this, SLOT(sliceValueChanged()));
|
|
|
}
|
|
|
|
|
|
blockModelSignals();
|
|
|
if (m_orientation == Qt::Vertical)
|
|
|
m_model->insertRows(firstIndex + m_first, slices.count());
|
|
|
else
|
|
|
m_model->insertColumns(firstIndex + m_first, slices.count());
|
|
|
|
|
|
for (int i = firstIndex; i < firstIndex + slices.count(); i++) {
|
|
|
m_model->setData(valueModelIndex(i), slices.at(i - firstIndex)->value());
|
|
|
m_model->setData(labelModelIndex(i), slices.at(i - firstIndex)->label());
|
|
|
}
|
|
|
blockModelSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::slicesRemoved(QList<QPieSlice *> slices)
|
|
|
{
|
|
|
if (m_seriesSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
if (slices.count() == 0)
|
|
|
return;
|
|
|
|
|
|
int firstIndex = m_slices.indexOf(slices.at(0));
|
|
|
if (firstIndex == -1)
|
|
|
return;
|
|
|
|
|
|
if (m_count != -1)
|
|
|
m_count -= slices.count();
|
|
|
|
|
|
for (int i = firstIndex + slices.count() - 1; i >= firstIndex; i--)
|
|
|
m_slices.removeAt(i);
|
|
|
|
|
|
blockModelSignals();
|
|
|
if (m_orientation == Qt::Vertical)
|
|
|
m_model->removeRows(firstIndex + m_first, slices.count());
|
|
|
else
|
|
|
m_model->removeColumns(firstIndex + m_first, slices.count());
|
|
|
blockModelSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::sliceLabelChanged()
|
|
|
{
|
|
|
if (m_seriesSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
blockModelSignals();
|
|
|
QPieSlice *slice = qobject_cast<QPieSlice *>(QObject::sender());
|
|
|
m_model->setData(labelModelIndex(m_series->slices().indexOf(slice)), slice->label());
|
|
|
blockModelSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::sliceValueChanged()
|
|
|
{
|
|
|
if (m_seriesSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
blockModelSignals();
|
|
|
QPieSlice *slice = qobject_cast<QPieSlice *>(QObject::sender());
|
|
|
m_model->setData(valueModelIndex(m_series->slices().indexOf(slice)), slice->value());
|
|
|
blockModelSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::handleSeriesDestroyed()
|
|
|
{
|
|
|
m_series = 0;
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
|
|
|
{
|
|
|
if (m_model == 0 || m_series == 0)
|
|
|
return;
|
|
|
|
|
|
if (m_modelSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
blockSeriesSignals();
|
|
|
QModelIndex index;
|
|
|
QPieSlice *slice;
|
|
|
for (int row = topLeft.row(); row <= bottomRight.row(); row++) {
|
|
|
for (int column = topLeft.column(); column <= bottomRight.column(); column++) {
|
|
|
index = topLeft.sibling(row, column);
|
|
|
slice = pieSlice(index);
|
|
|
if (slice) {
|
|
|
if (isValueIndex(index))
|
|
|
slice->setValue(m_model->data(index, Qt::DisplayRole).toReal());
|
|
|
if (isLabelIndex(index))
|
|
|
slice->setLabel(m_model->data(index, Qt::DisplayRole).toString());
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
blockSeriesSignals(false);
|
|
|
}
|
|
|
|
|
|
|
|
|
void QPieModelMapperPrivate::modelRowsAdded(QModelIndex parent, int start, int end)
|
|
|
{
|
|
|
Q_UNUSED(parent);
|
|
|
if (m_modelSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
blockSeriesSignals();
|
|
|
if (m_orientation == Qt::Vertical)
|
|
|
insertData(start, end);
|
|
|
else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie
|
|
|
initializePieFromModel();
|
|
|
blockSeriesSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::modelRowsRemoved(QModelIndex parent, int start, int end)
|
|
|
{
|
|
|
Q_UNUSED(parent);
|
|
|
if (m_modelSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
blockSeriesSignals();
|
|
|
if (m_orientation == Qt::Vertical)
|
|
|
removeData(start, end);
|
|
|
else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie
|
|
|
initializePieFromModel();
|
|
|
blockSeriesSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::modelColumnsAdded(QModelIndex parent, int start, int end)
|
|
|
{
|
|
|
Q_UNUSED(parent);
|
|
|
if (m_modelSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
blockSeriesSignals();
|
|
|
if (m_orientation == Qt::Horizontal)
|
|
|
insertData(start, end);
|
|
|
else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie
|
|
|
initializePieFromModel();
|
|
|
blockSeriesSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end)
|
|
|
{
|
|
|
Q_UNUSED(parent);
|
|
|
if (m_modelSignalsBlock)
|
|
|
return;
|
|
|
|
|
|
blockSeriesSignals();
|
|
|
if (m_orientation == Qt::Horizontal)
|
|
|
removeData(start, end);
|
|
|
else if (start <= m_valuesSection || start <= m_labelsSection) // if the changes affect the map - reinitialize the pie
|
|
|
initializePieFromModel();
|
|
|
blockSeriesSignals(false);
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::handleModelDestroyed()
|
|
|
{
|
|
|
m_model = 0;
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::insertData(int start, int end)
|
|
|
{
|
|
|
if (m_model == 0 || m_series == 0)
|
|
|
return;
|
|
|
|
|
|
if (m_count != -1 && start >= m_first + m_count) {
|
|
|
return;
|
|
|
} else {
|
|
|
int addedCount = end - start + 1;
|
|
|
if (m_count != -1 && addedCount > m_count)
|
|
|
addedCount = m_count;
|
|
|
int first = qMax(start, m_first);
|
|
|
int last = qMin(first + addedCount - 1, m_orientation == Qt::Vertical ? m_model->rowCount() - 1 : m_model->columnCount() - 1);
|
|
|
for (int i = first; i <= last; i++) {
|
|
|
QModelIndex valueIndex = valueModelIndex(i - m_first);
|
|
|
QModelIndex labelIndex = labelModelIndex(i - m_first);
|
|
|
if (valueIndex.isValid() && labelIndex.isValid()) {
|
|
|
QPieSlice *slice = new QPieSlice;
|
|
|
slice->setValue(m_model->data(valueIndex, Qt::DisplayRole).toDouble());
|
|
|
slice->setLabel(m_model->data(labelIndex, Qt::DisplayRole).toString());
|
|
|
connect(slice, SIGNAL(labelChanged()), this, SLOT(sliceLabelChanged()));
|
|
|
connect(slice, SIGNAL(valueChanged()), this, SLOT(sliceValueChanged()));
|
|
|
m_series->insert(i - m_first, slice);
|
|
|
m_slices.insert(i - m_first, slice);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// remove excess of slices (abouve m_count)
|
|
|
if (m_count != -1 && m_series->slices().size() > m_count)
|
|
|
for (int i = m_series->slices().size() - 1; i >= m_count; i--) {
|
|
|
m_series->remove(m_series->slices().at(i));
|
|
|
m_slices.removeAt(i);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::removeData(int start, int end)
|
|
|
{
|
|
|
if (m_model == 0 || m_series == 0)
|
|
|
return;
|
|
|
|
|
|
int removedCount = end - start + 1;
|
|
|
if (m_count != -1 && start >= m_first + m_count) {
|
|
|
return;
|
|
|
} else {
|
|
|
int toRemove = qMin(m_series->slices().size(), removedCount); // first find how many items can actually be removed
|
|
|
int first = qMax(start, m_first); // get the index of the first item that will be removed.
|
|
|
int last = qMin(first + toRemove - 1, m_series->slices().size() + m_first - 1); // get the index of the last item that will be removed.
|
|
|
for (int i = last; i >= first; i--) {
|
|
|
m_series->remove(m_series->slices().at(i - m_first));
|
|
|
m_slices.removeAt(i - m_first);
|
|
|
}
|
|
|
|
|
|
if (m_count != -1) {
|
|
|
int itemsAvailable; // check how many are available to be added
|
|
|
if (m_orientation == Qt::Vertical)
|
|
|
itemsAvailable = m_model->rowCount() - m_first - m_series->slices().size();
|
|
|
else
|
|
|
itemsAvailable = m_model->columnCount() - m_first - m_series->slices().size();
|
|
|
int toBeAdded = qMin(itemsAvailable, m_count - m_series->slices().size()); // add not more items than there is space left to be filled.
|
|
|
int currentSize = m_series->slices().size();
|
|
|
if (toBeAdded > 0)
|
|
|
for (int i = m_series->slices().size(); i < currentSize + toBeAdded; i++) {
|
|
|
QModelIndex valueIndex = valueModelIndex(i - m_first);
|
|
|
QModelIndex labelIndex = labelModelIndex(i - m_first);
|
|
|
if (valueIndex.isValid() && labelIndex.isValid()) {
|
|
|
QPieSlice *slice = new QPieSlice;
|
|
|
slice->setValue(m_model->data(valueIndex, Qt::DisplayRole).toDouble());
|
|
|
slice->setLabel(m_model->data(labelIndex, Qt::DisplayRole).toString());
|
|
|
m_series->insert(i, slice);
|
|
|
m_slices.insert(i, slice);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void QPieModelMapperPrivate::initializePieFromModel()
|
|
|
{
|
|
|
if (m_model == 0 || m_series == 0)
|
|
|
return;
|
|
|
|
|
|
blockSeriesSignals();
|
|
|
// clear current content
|
|
|
m_series->clear();
|
|
|
m_slices.clear();
|
|
|
|
|
|
// create the initial slices set
|
|
|
int slicePos = 0;
|
|
|
QModelIndex valueIndex = valueModelIndex(slicePos);
|
|
|
QModelIndex labelIndex = labelModelIndex(slicePos);
|
|
|
while (valueIndex.isValid() && labelIndex.isValid()) {
|
|
|
QPieSlice *slice = new QPieSlice;
|
|
|
slice->setLabel(m_model->data(labelIndex, Qt::DisplayRole).toString());
|
|
|
slice->setValue(m_model->data(valueIndex, Qt::DisplayRole).toDouble());
|
|
|
connect(slice, SIGNAL(labelChanged()), this, SLOT(sliceLabelChanged()));
|
|
|
connect(slice, SIGNAL(valueChanged()), this, SLOT(sliceValueChanged()));
|
|
|
m_series->append(slice);
|
|
|
m_slices.append(slice);
|
|
|
slicePos++;
|
|
|
valueIndex = valueModelIndex(slicePos);
|
|
|
labelIndex = labelModelIndex(slicePos);
|
|
|
}
|
|
|
blockSeriesSignals(false);
|
|
|
}
|
|
|
|
|
|
#include "moc_qpiemodelmapper_p.cpp"
|
|
|
#include "moc_qpiemodelmapper.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
