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Diffstat (limited to 'src/barchart/qbarmodelmapper.cpp')
| -rw-r--r-- | src/barchart/qbarmodelmapper.cpp | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/src/barchart/qbarmodelmapper.cpp b/src/barchart/qbarmodelmapper.cpp deleted file mode 100644 index 1e87a1ab..00000000 --- a/src/barchart/qbarmodelmapper.cpp +++ /dev/null @@ -1,561 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 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 "qbarmodelmapper.h" -#include "qbarmodelmapper_p.h" -#include "qabstractbarseries.h" -#include "qbarset.h" -#include "qchart.h" -#include <QAbstractItemModel> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -QBarModelMapper::QBarModelMapper(QObject *parent) : - QObject(parent), - d_ptr(new QBarModelMapperPrivate(this)) -{ -} - -QAbstractItemModel *QBarModelMapper::model() const -{ - Q_D(const QBarModelMapper); - return d->m_model; -} - -void QBarModelMapper::setModel(QAbstractItemModel *model) -{ - if (model == 0) - return; - - Q_D(QBarModelMapper); - if (d->m_model) - disconnect(d->m_model, 0, d, 0); - - d->m_model = model; - d->initializeBarFromModel(); - // connect signals from the model - connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex))); - connect(d->m_model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)), d, SLOT(modelHeaderDataUpdated(Qt::Orientation,int,int))); - 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())); -} - -QAbstractBarSeries *QBarModelMapper::series() const -{ - Q_D(const QBarModelMapper); - return d->m_series; -} - -void QBarModelMapper::setSeries(QAbstractBarSeries *series) -{ - Q_D(QBarModelMapper); - if (d->m_series) - disconnect(d->m_series, 0, d, 0); - - if (series == 0) - return; - - d->m_series = series; - d->initializeBarFromModel(); - // connect the signals from the series - connect(d->m_series, SIGNAL(barsetsAdded(QList<QBarSet*>)), d, SLOT(barSetsAdded(QList<QBarSet*>))); - connect(d->m_series, SIGNAL(barsetsRemoved(QList<QBarSet*>)), d, SLOT(barSetsRemoved(QList<QBarSet*>))); - connect(d->m_series, SIGNAL(destroyed()), d, SLOT(handleSeriesDestroyed())); -} - -/*! - Returns which row/column of the model contains the first values of the QBarSets in the series. - The default value is 0. -*/ -int QBarModelMapper::first() const -{ - Q_D(const QBarModelMapper); - return d->m_first; -} - -/*! - Sets which row of the model contains the \a first values of the QBarSets in the series. - The default value is 0. -*/ -void QBarModelMapper::setFirst(int first) -{ - Q_D(QBarModelMapper); - d->m_first = qMax(first, 0); - d->initializeBarFromModel(); -} - -/*! - Returns the number of rows/columns of the model that are mapped as the data for QAbstractBarSeries - Minimal and default value is: -1 (count limited by the number of rows/columns in the model) -*/ -int QBarModelMapper::count() const -{ - Q_D(const QBarModelMapper); - return d->m_count; -} - -/*! - Sets the \a count of rows/columns of the model that are mapped as the data for QAbstractBarSeries - Minimal and default value is: -1 (count limited by the number of rows/columns in the model) -*/ -void QBarModelMapper::setCount(int count) -{ - Q_D(QBarModelMapper); - d->m_count = qMax(count, -1); - d->initializeBarFromModel(); -} - -/*! - Returns the orientation that is used when QBarModelMapper accesses the model. - This mean whether the consecutive values of the bar set are read from row (Qt::Horizontal) - or from columns (Qt::Vertical) -*/ -Qt::Orientation QBarModelMapper::orientation() const -{ - Q_D(const QBarModelMapper); - return d->m_orientation; -} - -/*! - Returns the \a orientation that is used when QBarModelMapper accesses the model. - This mean whether the consecutive values of the pie are read from row (Qt::Horizontal) - or from columns (Qt::Vertical) -*/ -void QBarModelMapper::setOrientation(Qt::Orientation orientation) -{ - Q_D(QBarModelMapper); - d->m_orientation = orientation; - d->initializeBarFromModel(); -} - -/*! - Returns which section of the model is used as the data source for the first bar set -*/ -int QBarModelMapper::firstBarSetSection() const -{ - Q_D(const QBarModelMapper); - return d->m_firstBarSetSection; -} - -/*! - Sets the model section that is used as the data source for the first bar set - Parameter \a firstBarSetSection specifies the section of the model. -*/ -void QBarModelMapper::setFirstBarSetSection(int firstBarSetSection) -{ - Q_D(QBarModelMapper); - d->m_firstBarSetSection = qMax(-1, firstBarSetSection); - d->initializeBarFromModel(); -} - -/*! - Returns which section of the model is used as the data source for the last bar set -*/ -int QBarModelMapper::lastBarSetSection() const -{ - Q_D(const QBarModelMapper); - return d->m_lastBarSetSection; -} - -/*! - Sets the model section that is used as the data source for the last bar set - Parameter \a lastBarSetSection specifies the section of the model. -*/ -void QBarModelMapper::setLastBarSetSection(int lastBarSetSection) -{ - Q_D(QBarModelMapper); - d->m_lastBarSetSection = qMax(-1, lastBarSetSection); - d->initializeBarFromModel(); -} - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -QBarModelMapperPrivate::QBarModelMapperPrivate(QBarModelMapper *q) : - QObject(q), - m_series(0), - m_model(0), - m_first(0), - m_count(-1), - m_orientation(Qt::Vertical), - m_firstBarSetSection(-1), - m_lastBarSetSection(-1), - m_seriesSignalsBlock(false), - m_modelSignalsBlock(false), - q_ptr(q) -{ -} - -void QBarModelMapperPrivate::blockModelSignals(bool block) -{ - m_modelSignalsBlock = block; -} - -void QBarModelMapperPrivate::blockSeriesSignals(bool block) -{ - m_seriesSignalsBlock = block; -} - -QBarSet *QBarModelMapperPrivate::barSet(QModelIndex index) -{ - if (!index.isValid()) - return 0; - - if (m_orientation == Qt::Vertical && index.column() >= m_firstBarSetSection && index.column() <= m_lastBarSetSection) { - if (index.row() >= m_first && (m_count == - 1 || index.row() < m_first + m_count)) { - return m_series->barSets().at(index.column() - m_firstBarSetSection); - } - } else if (m_orientation == Qt::Horizontal && index.row() >= m_firstBarSetSection && index.row() <= m_lastBarSetSection) { - if (index.column() >= m_first && (m_count == - 1 || index.column() < m_first + m_count)) - return m_series->barSets().at(index.row() - m_firstBarSetSection); - } - return 0; // This part of model has not been mapped to any slice -} - -QModelIndex QBarModelMapperPrivate::barModelIndex(int barSection, int posInBar) -{ - if (m_count != -1 && posInBar >= m_count) - return QModelIndex(); // invalid - - if (barSection < m_firstBarSetSection || barSection > m_lastBarSetSection) - return QModelIndex(); // invalid - - if (m_orientation == Qt::Vertical) - return m_model->index(posInBar + m_first, barSection); - else - return m_model->index(barSection, posInBar + m_first); -} - -void QBarModelMapperPrivate::handleSeriesDestroyed() -{ - m_series = 0; -} - -void QBarModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) -{ - Q_UNUSED(topLeft) - Q_UNUSED(bottomRight) - - if (m_model == 0 || m_series == 0) - return; - - if (m_modelSignalsBlock) - return; - - blockSeriesSignals(); - QModelIndex index; - for (int row = topLeft.row(); row <= bottomRight.row(); row++) { - for (int column = topLeft.column(); column <= bottomRight.column(); column++) { - index = topLeft.sibling(row, column); - QBarSet *bar = barSet(index); - if (bar) { - if (m_orientation == Qt::Vertical) - bar->replace(row - m_first, m_model->data(index).toReal()); - else - bar->replace(column - m_first, m_model->data(index).toReal()); - } - } - } - blockSeriesSignals(false); -} - -void QBarModelMapperPrivate::modelHeaderDataUpdated(Qt::Orientation orientation, int first, int last) -{ - if (m_model == 0 || m_series == 0) - return; - - if (m_modelSignalsBlock) - return; - - blockSeriesSignals(); - if (orientation != m_orientation) { - for (int section = first; section <= last; section++) { - if (section >= m_firstBarSetSection && section <= m_lastBarSetSection) { - QBarSet *bar = m_series->barSets().at(section - m_firstBarSetSection); - if (bar) - bar->setLabel(m_model->headerData(section, orientation).toString()); - } - } - } - blockSeriesSignals(false); -} - -void QBarModelMapperPrivate::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_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize - initializeBarFromModel(); - blockSeriesSignals(false); -} - -void QBarModelMapperPrivate::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_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize - initializeBarFromModel(); - blockSeriesSignals(false); -} - -void QBarModelMapperPrivate::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_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize - initializeBarFromModel(); - blockSeriesSignals(false); -} - -void QBarModelMapperPrivate::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_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize - initializeBarFromModel(); - blockSeriesSignals(false); -} - -void QBarModelMapperPrivate::handleModelDestroyed() -{ - m_model = 0; -} - -void QBarModelMapperPrivate::insertData(int start, int end) -{ - Q_UNUSED(end) - Q_UNUSED(start) - Q_UNUSED(end) - // Currently barchart needs to be fully recalculated when change is made. - // Re-initialize - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::removeData(int start, int end) -{ - Q_UNUSED(end) - Q_UNUSED(start) - Q_UNUSED(end) - // Currently barchart needs to be fully recalculated when change is made. - // Re-initialize - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::barSetsAdded(QList<QBarSet *> sets) -{ - if (m_seriesSignalsBlock) - return; - - if (sets.count() == 0) - return; - - int firstIndex = m_series->barSets().indexOf(sets.at(0)); - if (firstIndex == -1) - return; - - int maxCount = 0; - for (int i = 0; i < sets.count(); i++) { - if (sets.at(i)->count() > m_count) - maxCount = sets.at(i)->count(); - } - - if (m_count != -1 && m_count < maxCount) - m_count = maxCount; - - m_lastBarSetSection += sets.count(); - - blockModelSignals(); - int modelCapacity = m_orientation == Qt::Vertical ? m_model->rowCount() - m_first : m_model->columnCount() - m_first; - if (maxCount > modelCapacity) { - if (m_orientation == Qt::Vertical) - m_model->insertRows(m_model->rowCount(), maxCount - modelCapacity); - else - m_model->insertColumns(m_model->columnCount(), maxCount - modelCapacity); - } - - if (m_orientation == Qt::Vertical) - m_model->insertColumns(firstIndex + m_firstBarSetSection, sets.count()); - else - m_model->insertRows(firstIndex + m_firstBarSetSection, sets.count()); - - - for (int i = firstIndex + m_firstBarSetSection; i < firstIndex + m_firstBarSetSection + sets.count(); i++) { - m_model->setHeaderData(i, m_orientation == Qt::Vertical ? Qt::Horizontal : Qt::Vertical, sets.at(i - firstIndex - m_firstBarSetSection)->label()); - for (int j = 0; j < sets.at(i - firstIndex - m_firstBarSetSection)->count(); j++) - m_model->setData(barModelIndex(i, j), sets.at(i - firstIndex - m_firstBarSetSection)->at(j)); - } - blockModelSignals(false); - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::barSetsRemoved(QList<QBarSet *> sets) -{ - if (m_seriesSignalsBlock) - return; - - if (sets.count() == 0) - return; - - int firstIndex = m_barSets.indexOf(sets.at(0)); - if (firstIndex == -1) - return; - - m_lastBarSetSection -= sets.count(); - - for (int i = firstIndex + sets.count() - 1; i >= firstIndex; i--) - m_barSets.removeAt(i); - - blockModelSignals(); - if (m_orientation == Qt::Vertical) - m_model->removeColumns(firstIndex + m_firstBarSetSection, sets.count()); - else - m_model->removeRows(firstIndex + m_firstBarSetSection, sets.count()); - blockModelSignals(false); - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::valuesAdded(int index, int count) -{ - if (m_seriesSignalsBlock) - return; - - if (m_count != -1) - m_count += count; - - int barSetIndex = m_barSets.indexOf(qobject_cast<QBarSet *>(QObject::sender())); - - blockModelSignals(); - if (m_orientation == Qt::Vertical) - m_model->insertRows(index + m_first, count); - else - m_model->insertColumns(index + m_first, count); - - for (int j = index; j < index + count; j++) - m_model->setData(barModelIndex(barSetIndex + m_firstBarSetSection, j), m_barSets.at(barSetIndex)->at(j)); - - blockModelSignals(false); - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::valuesRemoved(int index, int count) -{ - if (m_seriesSignalsBlock) - return; - - if (m_count != -1) - m_count -= count; - - blockModelSignals(); - if (m_orientation == Qt::Vertical) - m_model->removeRows(index + m_first, count); - else - m_model->removeColumns(index + m_first, count); - - blockModelSignals(false); - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::barLabelChanged() -{ - if (m_seriesSignalsBlock) - return; - - int barSetIndex = m_barSets.indexOf(qobject_cast<QBarSet *>(QObject::sender())); - - blockModelSignals(); - m_model->setHeaderData(barSetIndex + m_firstBarSetSection, m_orientation == Qt::Vertical ? Qt::Horizontal : Qt::Vertical, m_barSets.at(barSetIndex)->label()); - blockModelSignals(false); - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::barValueChanged(int index) -{ - if (m_seriesSignalsBlock) - return; - - int barSetIndex = m_barSets.indexOf(qobject_cast<QBarSet *>(QObject::sender())); - - blockModelSignals(); - m_model->setData(barModelIndex(barSetIndex + m_firstBarSetSection, index), m_barSets.at(barSetIndex)->at(index)); - blockModelSignals(false); - initializeBarFromModel(); -} - -void QBarModelMapperPrivate::initializeBarFromModel() -{ - if (m_model == 0 || m_series == 0) - return; - - blockSeriesSignals(); - // clear current content - m_series->clear(); - m_barSets.clear(); - - // create the initial bar sets - for (int i = m_firstBarSetSection; i <= m_lastBarSetSection; i++) { - int posInBar = 0; - QModelIndex barIndex = barModelIndex(i, posInBar); - // check if there is such model index - if (barIndex.isValid()) { - QBarSet *barSet = new QBarSet(m_model->headerData(i, m_orientation == Qt::Vertical ? Qt::Horizontal : Qt::Vertical).toString()); - while (barIndex.isValid()) { - barSet->append(m_model->data(barIndex, Qt::DisplayRole).toDouble()); - posInBar++; - barIndex = barModelIndex(i, posInBar); - } - connect(barSet, SIGNAL(valuesAdded(int,int)), this, SLOT(valuesAdded(int,int))); - connect(barSet, SIGNAL(valuesRemoved(int,int)), this, SLOT(valuesRemoved(int,int))); - connect(barSet, SIGNAL(valueChanged(int)), this, SLOT(barValueChanged(int))); - connect(barSet, SIGNAL(labelChanged()), this, SLOT(barLabelChanged())); - m_series->append(barSet); - m_barSets.append(barSet); - } else { - break; - } - } - blockSeriesSignals(false); -} - -#include "moc_qbarmodelmapper.cpp" -#include "moc_qbarmodelmapper_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |