qbarmodelmapper.cpp
571 lines
| 17.9 KiB
| text/x-c
|
CppLexer
Miikka Heikkinen
|
r2854 | /**************************************************************************** | ||
Marek Rosa
|
r1355 | ** | ||
|
Miikka Heikkinen
|
r2854 | ** Copyright (C) 2016 The Qt Company Ltd. | ||
| ** Contact: https://www.qt.io/licensing/ | ||||
|
Marek Rosa
|
r1355 | ** | ||
|
Miikka Heikkinen
|
r2854 | ** This file is part of the Qt Charts module of the Qt Toolkit. | ||
|
Marek Rosa
|
r1355 | ** | ||
|
Miikka Heikkinen
|
r2854 | ** $QT_BEGIN_LICENSE:GPL$ | ||
Titta Heikkala
|
r2845 | ** Commercial License Usage | ||
| ** Licensees holding valid commercial Qt licenses may use this file in | ||||
| ** accordance with the commercial license agreement provided with the | ||||
| ** Software or, alternatively, in accordance with the terms contained in | ||||
| ** a written agreement between you and The Qt Company. For licensing terms | ||||
|
Miikka Heikkinen
|
r2854 | ** and conditions see https://www.qt.io/terms-conditions. For further | ||
| ** information use the contact form at https://www.qt.io/contact-us. | ||||
| ** | ||||
| ** GNU General Public License Usage | ||||
| ** Alternatively, this file may be used under the terms of the GNU | ||||
| ** General Public License version 3 or (at your option) any later version | ||||
| ** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
| ** included in the packaging of this file. Please review the following | ||||
| ** information to ensure the GNU General Public License requirements will | ||||
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
|
Marek Rosa
|
r1355 | ** | ||
|
Titta Heikkala
|
r2845 | ** $QT_END_LICENSE$ | ||
| ** | ||||
|
Miikka Heikkinen
|
r2854 | ****************************************************************************/ | ||
|
Marek Rosa
|
r1355 | |||
|
Titta Heikkala
|
r2714 | #include <QtCharts/QBarModelMapper> | ||
| #include <private/qbarmodelmapper_p.h> | ||||
| #include <QtCharts/QAbstractBarSeries> | ||||
| #include <QtCharts/QBarSet> | ||||
| #include <QtCharts/QChart> | ||||
| #include <QtCore/QAbstractItemModel> | ||||
|
Marek Rosa
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r1170 | |||
Titta Heikkala
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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Marek Rosa
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r1170 | |||
| QBarModelMapper::QBarModelMapper(QObject *parent) : | ||||
| QObject(parent), | ||||
|
Marek Rosa
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r1293 | d_ptr(new QBarModelMapperPrivate(this)) | ||
| { | ||||
| } | ||||
Jani Honkonen
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r2104 | QAbstractItemModel *QBarModelMapper::model() const | ||
|
Marek Rosa
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r1293 | { | ||
| Q_D(const QBarModelMapper); | ||||
| return d->m_model; | ||||
| } | ||||
| void QBarModelMapper::setModel(QAbstractItemModel *model) | ||||
| { | ||||
| if (model == 0) | ||||
| return; | ||||
| Q_D(QBarModelMapper); | ||||
|
Jani Honkonen
|
r2097 | if (d->m_model) | ||
|
Marek Rosa
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r1293 | disconnect(d->m_model, 0, d, 0); | ||
| d->m_model = model; | ||||
| d->initializeBarFromModel(); | ||||
|
Jani Honkonen
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r2097 | // connect signals from the model | ||
Joni Poikelin
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r2870 | connect(d->m_model, SIGNAL(modelReset()), d, SLOT(initializeBarFromModel())); | ||
|
Marek Rosa
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r1293 | connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex))); | ||
|
Marek Rosa
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r1394 | connect(d->m_model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)), d, SLOT(modelHeaderDataUpdated(Qt::Orientation,int,int))); | ||
|
Marek Rosa
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r1293 | 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))); | ||||
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Marek Rosa
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r1656 | connect(d->m_model, SIGNAL(destroyed()), d, SLOT(handleModelDestroyed())); | ||
|
Marek Rosa
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r1293 | } | ||
|
Jani Honkonen
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r2104 | QAbstractBarSeries *QBarModelMapper::series() const | ||
|
Marek Rosa
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r1293 | { | ||
| Q_D(const QBarModelMapper); | ||||
| return d->m_series; | ||||
| } | ||||
sauimone
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r1584 | void QBarModelMapper::setSeries(QAbstractBarSeries *series) | ||
|
Marek Rosa
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r1170 | { | ||
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Marek Rosa
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r1293 | Q_D(QBarModelMapper); | ||
|
Jani Honkonen
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r2097 | if (d->m_series) | ||
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Marek Rosa
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r1293 | disconnect(d->m_series, 0, d, 0); | ||
| if (series == 0) | ||||
| return; | ||||
| d->m_series = series; | ||||
| d->initializeBarFromModel(); | ||||
| // connect the signals from the series | ||||
|
Marek Rosa
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r1435 | 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*>))); | ||||
|
Marek Rosa
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r1656 | connect(d->m_series, SIGNAL(destroyed()), d, SLOT(handleSeriesDestroyed())); | ||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1495 | /*! | ||
| Returns which row/column of the model contains the first values of the QBarSets in the series. | ||||
| The default value is 0. | ||||
| */ | ||||
|
Marek Rosa
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r1170 | int QBarModelMapper::first() const | ||
| { | ||||
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r1293 | Q_D(const QBarModelMapper); | ||
| return d->m_first; | ||||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1495 | /*! | ||
| Sets which row of the model contains the \a first values of the QBarSets in the series. | ||||
| The default value is 0. | ||||
| */ | ||||
|
Marek Rosa
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r1170 | void QBarModelMapper::setFirst(int first) | ||
| { | ||||
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Marek Rosa
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r1293 | Q_D(QBarModelMapper); | ||
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Marek Rosa
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r1495 | d->m_first = qMax(first, 0); | ||
| d->initializeBarFromModel(); | ||||
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Marek Rosa
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r1170 | } | ||
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Marek Rosa
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r1495 | /*! | ||
|
sauimone
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r1586 | Returns the number of rows/columns of the model that are mapped as the data for QAbstractBarSeries | ||
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Marek Rosa
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r1495 | Minimal and default value is: -1 (count limited by the number of rows/columns in the model) | ||
| */ | ||||
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Marek Rosa
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r1170 | int QBarModelMapper::count() const | ||
| { | ||||
|
Marek Rosa
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r1293 | Q_D(const QBarModelMapper); | ||
| return d->m_count; | ||||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1495 | /*! | ||
|
sauimone
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r1586 | Sets the \a count of rows/columns of the model that are mapped as the data for QAbstractBarSeries | ||
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Marek Rosa
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r1495 | Minimal and default value is: -1 (count limited by the number of rows/columns in the model) | ||
| */ | ||||
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Marek Rosa
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r1170 | void QBarModelMapper::setCount(int count) | ||
| { | ||||
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Marek Rosa
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r1293 | Q_D(QBarModelMapper); | ||
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Marek Rosa
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r1495 | d->m_count = qMax(count, -1); | ||
| d->initializeBarFromModel(); | ||||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1348 | /*! | ||
| 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) | ||||
| */ | ||||
|
Marek Rosa
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r1170 | Qt::Orientation QBarModelMapper::orientation() const | ||
| { | ||||
|
Marek Rosa
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r1293 | Q_D(const QBarModelMapper); | ||
| return d->m_orientation; | ||||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1348 | /*! | ||
| 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) | ||||
| */ | ||||
|
Marek Rosa
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r1170 | void QBarModelMapper::setOrientation(Qt::Orientation orientation) | ||
| { | ||||
|
Marek Rosa
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r1293 | Q_D(QBarModelMapper); | ||
| d->m_orientation = orientation; | ||||
| d->initializeBarFromModel(); | ||||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1348 | /*! | ||
| Returns which section of the model is used as the data source for the first bar set | ||||
| */ | ||||
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Marek Rosa
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r1312 | int QBarModelMapper::firstBarSetSection() const | ||
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Marek Rosa
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r1170 | { | ||
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r1293 | Q_D(const QBarModelMapper); | ||
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Marek Rosa
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r1312 | return d->m_firstBarSetSection; | ||
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Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1348 | /*! | ||
| 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. | ||||
| */ | ||||
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Marek Rosa
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r1312 | void QBarModelMapper::setFirstBarSetSection(int firstBarSetSection) | ||
|
Marek Rosa
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r1170 | { | ||
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Marek Rosa
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r1293 | Q_D(QBarModelMapper); | ||
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Marek Rosa
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r1364 | d->m_firstBarSetSection = qMax(-1, firstBarSetSection); | ||
|
Marek Rosa
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r1293 | d->initializeBarFromModel(); | ||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1348 | /*! | ||
| Returns which section of the model is used as the data source for the last bar set | ||||
| */ | ||||
|
Marek Rosa
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r1312 | int QBarModelMapper::lastBarSetSection() const | ||
|
Marek Rosa
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r1170 | { | ||
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Marek Rosa
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r1293 | Q_D(const QBarModelMapper); | ||
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Marek Rosa
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r1312 | return d->m_lastBarSetSection; | ||
|
Marek Rosa
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r1170 | } | ||
|
Marek Rosa
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r1348 | /*! | ||
| 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. | ||||
| */ | ||||
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Marek Rosa
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r1312 | void QBarModelMapper::setLastBarSetSection(int lastBarSetSection) | ||
|
Marek Rosa
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r1170 | { | ||
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Marek Rosa
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r1293 | Q_D(QBarModelMapper); | ||
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Marek Rosa
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r1364 | d->m_lastBarSetSection = qMax(-1, lastBarSetSection); | ||
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Marek Rosa
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r1293 | d->initializeBarFromModel(); | ||
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Marek Rosa
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r1170 | } | ||
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Marek Rosa
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r1293 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| QBarModelMapperPrivate::QBarModelMapperPrivate(QBarModelMapper *q) : | ||||
|
Marek Rosa
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r1671 | QObject(q), | ||
|
Marek Rosa
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r1293 | m_series(0), | ||
| m_model(0), | ||||
| m_first(0), | ||||
| m_count(-1), | ||||
| m_orientation(Qt::Vertical), | ||||
|
Marek Rosa
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r1312 | m_firstBarSetSection(-1), | ||
| m_lastBarSetSection(-1), | ||||
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Marek Rosa
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r1293 | 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; | ||||
| } | ||||
|
Jani Honkonen
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r2104 | QBarSet *QBarModelMapperPrivate::barSet(QModelIndex index) | ||
|
Marek Rosa
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r1295 | { | ||
| if (!index.isValid()) | ||||
| return 0; | ||||
|
Marek Rosa
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r1312 | if (m_orientation == Qt::Vertical && index.column() >= m_firstBarSetSection && index.column() <= m_lastBarSetSection) { | ||
|
Marek Rosa
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r1331 | if (index.row() >= m_first && (m_count == - 1 || index.row() < m_first + m_count)) { | ||
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Marek Rosa
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r1356 | return m_series->barSets().at(index.column() - m_firstBarSetSection); | ||
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Marek Rosa
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r1331 | } | ||
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Marek Rosa
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r1312 | } else if (m_orientation == Qt::Horizontal && index.row() >= m_firstBarSetSection && index.row() <= m_lastBarSetSection) { | ||
|
Marek Rosa
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r1295 | if (index.column() >= m_first && (m_count == - 1 || index.column() < m_first + m_count)) | ||
|
Marek Rosa
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r1312 | return m_series->barSets().at(index.row() - m_firstBarSetSection); | ||
|
Marek Rosa
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r1295 | } | ||
| return 0; // This part of model has not been mapped to any slice | ||||
| } | ||||
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Marek Rosa
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r1293 | QModelIndex QBarModelMapperPrivate::barModelIndex(int barSection, int posInBar) | ||
| { | ||||
| if (m_count != -1 && posInBar >= m_count) | ||||
| return QModelIndex(); // invalid | ||||
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Marek Rosa
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r1312 | if (barSection < m_firstBarSetSection || barSection > m_lastBarSetSection) | ||
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Marek Rosa
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r1293 | 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); | ||||
| } | ||||
|
Marek Rosa
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r1656 | void QBarModelMapperPrivate::handleSeriesDestroyed() | ||
| { | ||||
| m_series = 0; | ||||
| } | ||||
|
Marek Rosa
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r1293 | void QBarModelMapperPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) | ||
| { | ||||
| Q_UNUSED(topLeft) | ||||
| Q_UNUSED(bottomRight) | ||||
|
Marek Rosa
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r1294 | |||
| if (m_model == 0 || m_series == 0) | ||||
| return; | ||||
|
Marek Rosa
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r1293 | if (m_modelSignalsBlock) | ||
| return; | ||||
|
Marek Rosa
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r1295 | 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); | ||||
|
Jani Honkonen
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r2104 | QBarSet *bar = barSet(index); | ||
|
Marek Rosa
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r1295 | 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); | ||||
|
Marek Rosa
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r1293 | } | ||
|
Marek Rosa
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r1394 | 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) { | ||||
|
Jani Honkonen
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r2104 | QBarSet *bar = m_series->barSets().at(section - m_firstBarSetSection); | ||
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Marek Rosa
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r1394 | if (bar) | ||
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sauimone
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r1429 | bar->setLabel(m_model->headerData(section, orientation).toString()); | ||
|
Marek Rosa
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r1394 | } | ||
| } | ||||
| } | ||||
| blockSeriesSignals(false); | ||||
| } | ||||
|
Marek Rosa
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r1293 | void QBarModelMapperPrivate::modelRowsAdded(QModelIndex parent, int start, int end) | ||
| { | ||||
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Marek Rosa
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r2151 | Q_UNUSED(parent) | ||
|
Marek Rosa
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r1293 | if (m_modelSignalsBlock) | ||
| return; | ||||
| blockSeriesSignals(); | ||||
| if (m_orientation == Qt::Vertical) | ||||
|
Marek Rosa
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r2151 | insertData(start, end); | ||
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Marek Rosa
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r1354 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize | ||
|
Marek Rosa
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r1293 | initializeBarFromModel(); | ||
| blockSeriesSignals(false); | ||||
| } | ||||
| void QBarModelMapperPrivate::modelRowsRemoved(QModelIndex parent, int start, int end) | ||||
| { | ||||
|
Marek Rosa
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r2151 | Q_UNUSED(parent) | ||
|
Marek Rosa
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r1293 | if (m_modelSignalsBlock) | ||
| return; | ||||
| blockSeriesSignals(); | ||||
| if (m_orientation == Qt::Vertical) | ||||
|
Marek Rosa
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r2151 | removeData(start, end); | ||
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Marek Rosa
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r1354 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize | ||
|
Marek Rosa
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r1293 | initializeBarFromModel(); | ||
| blockSeriesSignals(false); | ||||
| } | ||||
| void QBarModelMapperPrivate::modelColumnsAdded(QModelIndex parent, int start, int end) | ||||
| { | ||||
|
Marek Rosa
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r2151 | Q_UNUSED(parent) | ||
|
Marek Rosa
|
r1293 | if (m_modelSignalsBlock) | ||
| return; | ||||
| blockSeriesSignals(); | ||||
| if (m_orientation == Qt::Horizontal) | ||||
|
Marek Rosa
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r2151 | insertData(start, end); | ||
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Marek Rosa
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r1354 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize | ||
|
Marek Rosa
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r1293 | initializeBarFromModel(); | ||
| blockSeriesSignals(false); | ||||
| } | ||||
| void QBarModelMapperPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end) | ||||
| { | ||||
|
Marek Rosa
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r2151 | Q_UNUSED(parent) | ||
|
Marek Rosa
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r1293 | if (m_modelSignalsBlock) | ||
| return; | ||||
| blockSeriesSignals(); | ||||
| if (m_orientation == Qt::Horizontal) | ||||
|
Marek Rosa
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r2151 | removeData(start, end); | ||
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Marek Rosa
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r1354 | else if (start <= m_firstBarSetSection || start <= m_lastBarSetSection) // if the changes affect the map - reinitialize | ||
|
Marek Rosa
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r1293 | initializeBarFromModel(); | ||
| blockSeriesSignals(false); | ||||
| } | ||||
|
Marek Rosa
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r1656 | void QBarModelMapperPrivate::handleModelDestroyed() | ||
| { | ||||
| m_model = 0; | ||||
| } | ||||
|
Marek Rosa
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r1293 | void QBarModelMapperPrivate::insertData(int start, int end) | ||
| { | ||||
| Q_UNUSED(end) | ||||
|
Marek Rosa
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r1379 | Q_UNUSED(start) | ||
| Q_UNUSED(end) | ||||
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Marek Rosa
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r2151 | // Currently barchart needs to be fully recalculated when change is made. | ||
| // Re-initialize | ||||
| initializeBarFromModel(); | ||||
|
Marek Rosa
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r1293 | } | ||
| void QBarModelMapperPrivate::removeData(int start, int end) | ||||
| { | ||||
| Q_UNUSED(end) | ||||
|
Marek Rosa
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r1379 | Q_UNUSED(start) | ||
| Q_UNUSED(end) | ||||
|
Marek Rosa
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r2151 | // Currently barchart needs to be fully recalculated when change is made. | ||
| // Re-initialize | ||||
| initializeBarFromModel(); | ||||
|
Marek Rosa
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r1293 | } | ||
|
Jani Honkonen
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r2104 | void QBarModelMapperPrivate::barSetsAdded(QList<QBarSet *> sets) | ||
|
Marek Rosa
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r1435 | { | ||
| 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; | ||||
|
Jani Honkonen
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r2097 | for (int i = 0; i < sets.count(); i++) { | ||
|
Marek Rosa
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r1435 | if (sets.at(i)->count() > m_count) | ||
| maxCount = sets.at(i)->count(); | ||||
|
Jani Honkonen
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r2097 | } | ||
|
Marek Rosa
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r1435 | |||
| 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()); | ||||
|
Jani Honkonen
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r2097 | for (int i = firstIndex + m_firstBarSetSection; i < firstIndex + m_firstBarSetSection + sets.count(); i++) { | ||
|
Marek Rosa
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r1435 | 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++) | ||||
|
sauimone
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r1580 | m_model->setData(barModelIndex(i, j), sets.at(i - firstIndex - m_firstBarSetSection)->at(j)); | ||
|
Marek Rosa
|
r1435 | } | ||
| blockModelSignals(false); | ||||
| initializeBarFromModel(); | ||||
| } | ||||
|
Jani Honkonen
|
r2104 | void QBarModelMapperPrivate::barSetsRemoved(QList<QBarSet *> sets) | ||
|
Marek Rosa
|
r1435 | { | ||
| 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++) | ||||
|
sauimone
|
r1580 | m_model->setData(barModelIndex(barSetIndex + m_firstBarSetSection, j), m_barSets.at(barSetIndex)->at(j)); | ||
|
Marek Rosa
|
r1435 | |||
| 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(); | ||||
|
sauimone
|
r1580 | m_model->setData(barModelIndex(barSetIndex + m_firstBarSetSection, index), m_barSets.at(barSetIndex)->at(index)); | ||
|
Marek Rosa
|
r1435 | blockModelSignals(false); | ||
| initializeBarFromModel(); | ||||
| } | ||||
|
Marek Rosa
|
r1293 | void QBarModelMapperPrivate::initializeBarFromModel() | ||
| { | ||||
| if (m_model == 0 || m_series == 0) | ||||
| return; | ||||
| blockSeriesSignals(); | ||||
| // clear current content | ||||
|
Marek Rosa
|
r1295 | m_series->clear(); | ||
|
Marek Rosa
|
r1435 | m_barSets.clear(); | ||
|
Marek Rosa
|
r1293 | |||
| // create the initial bar sets | ||||
|
Marek Rosa
|
r1312 | for (int i = m_firstBarSetSection; i <= m_lastBarSetSection; i++) { | ||
|
Marek Rosa
|
r1293 | int posInBar = 0; | ||
| QModelIndex barIndex = barModelIndex(i, posInBar); | ||||
|
Marek Rosa
|
r1356 | // check if there is such model index | ||
| if (barIndex.isValid()) { | ||||
|
Marek Rosa
|
r1394 | QBarSet *barSet = new QBarSet(m_model->headerData(i, m_orientation == Qt::Vertical ? Qt::Horizontal : Qt::Vertical).toString()); | ||
|
Marek Rosa
|
r1356 | while (barIndex.isValid()) { | ||
| barSet->append(m_model->data(barIndex, Qt::DisplayRole).toDouble()); | ||||
| posInBar++; | ||||
| barIndex = barModelIndex(i, posInBar); | ||||
| } | ||||
|
Jani Honkonen
|
r1935 | connect(barSet, SIGNAL(valuesAdded(int,int)), this, SLOT(valuesAdded(int,int))); | ||
| connect(barSet, SIGNAL(valuesRemoved(int,int)), this, SLOT(valuesRemoved(int,int))); | ||||
|
Marek Rosa
|
r1435 | connect(barSet, SIGNAL(valueChanged(int)), this, SLOT(barValueChanged(int))); | ||
| connect(barSet, SIGNAL(labelChanged()), this, SLOT(barLabelChanged())); | ||||
|
Marek Rosa
|
r1356 | m_series->append(barSet); | ||
|
Marek Rosa
|
r1435 | m_barSets.append(barSet); | ||
|
Marek Rosa
|
r1356 | } else { | ||
| break; | ||||
|
Marek Rosa
|
r1293 | } | ||
| } | ||||
| blockSeriesSignals(false); | ||||
|
Marek Rosa
|
r1170 | } | ||
| #include "moc_qbarmodelmapper.cpp" | ||||
|
Marek Rosa
|
r1293 | #include "moc_qbarmodelmapper_p.cpp" | ||
|
Marek Rosa
|
r1170 | |||
|
Titta Heikkala
|
r2712 | QT_CHARTS_END_NAMESPACE | ||