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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qbarseries.h"
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#include "qbarseries_p.h"
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#include "qbarset.h"
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#include "qbarset_p.h"
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#include "domain_p.h"
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#include "legendmarker_p.h"
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#include "chartdataset_p.h"
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#include "charttheme_p.h"
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#include "chartanimator_p.h"
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#include <QAbstractItemModel>
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#include <QModelIndex>
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#include <QBarModelMapper>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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\class QBarSeries
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\brief part of QtCommercial chart API.
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\mainclass
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QBarSeries represents a series of data shown as bars. One QBarSeries can contain multiple
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QBarSet data sets. QBarSeries groups the data from sets to categories, which are defined
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by QStringList.
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See the \l {BarChart Example} {bar chart example} to learn how to create a simple bar chart.
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\image examples_barchart.png
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\sa QBarSet, QStackedBarSeries, QPercentBarSeries
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*/
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/*!
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\fn void QBarSeries::clicked(QBarSet *barset, QString category)
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The signal is emitted if the user clicks with a mouse on top of QBarSet \a barset of category \a category
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contained by the series.
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*/
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/*!
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\fn void QBarSeries::hovered(QBarSet* barset, bool status)
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The signal is emitted if mouse is hovered on top of series.
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Parameter \a barset is the pointer of barset, where hover happened.
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Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series.
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*/
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/*!
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Constructs empty QBarSeries. Parameter \a categories defines the categories for chart.
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QBarSeries is QObject which is a child of a \a parent.
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*/
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QBarSeries::QBarSeries(/*QBarCategories categories,*/ QObject *parent) :
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QAbstractSeries(*new QBarSeriesPrivate(/*categories,*/ this),parent)
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{
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}
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/*!
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Destructs barseries and owned barsets.
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*/
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QBarSeries::~QBarSeries()
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{
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// NOTE: d_ptr destroyed by QObject
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}
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/*!
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\internal
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*/
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QBarSeries::QBarSeries(QBarSeriesPrivate &d, QObject *parent) :
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QAbstractSeries(d,parent)
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{
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}
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/*!
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Returns the type of series. Derived classes override this.
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*/
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QAbstractSeries::SeriesType QBarSeries::type() const
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{
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return QAbstractSeries::SeriesTypeBar;
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}
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void QBarSeries::setCategories(QBarCategories categories)
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{
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Q_D(QBarSeries);
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d->setCategories(categories);
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emit d->categoriesUpdated();
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}
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/*!
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Adds a set of bars to series. Takes ownership of \a set.
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*/
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bool QBarSeries::append(QBarSet *set)
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{
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Q_D(QBarSeries);
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if ((d->m_barSets.contains(set)) || (set == 0)) {
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// Fail if set is already in list or set is null.
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return false;
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}
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d->m_barSets.append(set);
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QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), d, SLOT(barsetChanged()));
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emit d->restructuredBars();
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return true;
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}
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/*!
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Removes a set of bars from series. Releases ownership of \a set. Doesn't delete \a set.
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*/
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bool QBarSeries::remove(QBarSet *set)
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{
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Q_D(QBarSeries);
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if (!d->m_barSets.contains(set)) {
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// Fail if set is not in list
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return false;
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}
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d->m_barSets.removeOne(set);
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QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), d, SLOT(barsetChanged()));
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emit d->restructuredBars();
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return true;
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}
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/*!
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Adds a list of barsets to series. Takes ownership of \a sets.
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*/
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bool QBarSeries::append(QList<QBarSet* > sets)
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{
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Q_D(QBarSeries);
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foreach (QBarSet* set, sets) {
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if ((set == 0) || (d->m_barSets.contains(set))) {
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// Fail if any of the sets is null or is already appended.
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return false;
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}
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if (sets.count(set) != 1) {
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// Also fail if same set is more than once in given list.
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return false;
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}
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}
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foreach (QBarSet* set, sets) {
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d->m_barSets.append(set);
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QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), d, SLOT(barsetChanged()));
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}
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emit d->restructuredBars();
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return true;
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}
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/*!
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Removes a list of barsets from series. Releases ownership of \a sets. Doesn't delete \a sets.
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*/
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bool QBarSeries::remove(QList<QBarSet* > sets)
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{
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Q_D(QBarSeries);
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bool setsRemoved = false;
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foreach (QBarSet* set, sets) {
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if (d->m_barSets.contains(set)) {
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d->m_barSets.removeOne(set);
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QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), d, SLOT(barsetChanged()));
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setsRemoved = true;
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}
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}
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if (setsRemoved) {
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emit d->restructuredBars();
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}
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return setsRemoved;
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}
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/*!
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Returns number of sets in series.
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*/
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int QBarSeries::barsetCount() const
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{
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Q_D(const QBarSeries);
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return d->m_barSets.count();
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}
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/*!
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Returns number of categories in series
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*/
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int QBarSeries::categoryCount() const
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{
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Q_D(const QBarSeries);
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return d->m_categories.count();
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}
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/*!
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Returns a list of sets in series. Keeps ownership of sets.
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*/
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QList<QBarSet*> QBarSeries::barSets() const
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{
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Q_D(const QBarSeries);
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return d->m_barSets;
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}
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/*!
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\fn bool QBarSeries::setModel(QAbstractItemModel *model)
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Sets the \a model to be used as a data source
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*/
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void QBarSeries::setModel(QAbstractItemModel *model)
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{
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Q_D(QBarSeries);
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// disconnect signals from old model
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if(d->m_model)
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{
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disconnect(d->m_model, 0, this, 0);
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}
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// set new model
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if(model)
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{
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d->m_model = model;
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// connect the signals
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connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex)));
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connect(d->m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelDataAdded(QModelIndex,int,int)));
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connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelDataRemoved(QModelIndex,int,int)));
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connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelDataAdded(QModelIndex,int,int)));
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connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelDataRemoved(QModelIndex,int,int)));
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if (d->m_mapper)
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d->initializeDataFromModel();
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}
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else
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{
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d->m_model = 0;
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}
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}
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void QBarSeries::setModelMapper(QBarModelMapper *mapper)
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{
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Q_D(QBarSeries);
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// disconnect signals from old mapper
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if (d->m_mapper) {
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QObject::disconnect(d->m_mapper, 0, this, 0);
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}
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if (mapper) {
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d->m_mapper = mapper;
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// connect the signal from the mapper
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connect(d->m_mapper, SIGNAL(updated()), d, SLOT(initializeDataFromModel()));
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if (d->m_model)
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d->initializeDataFromModel();
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} else {
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d->m_mapper = 0;
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}
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}
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QBarModelMapper* QBarSeries::modelMapper() const
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{
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Q_D(const QBarSeries);
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return d->m_mapper;
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}
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/*!
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Returns the bar categories of the series.
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*/
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QBarCategories QBarSeries::categories() const
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{
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Q_D(const QBarSeries);
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return d->m_categories;
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}
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/*!
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Sets the visibility of labels in series to \a visible
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*/
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void QBarSeries::setLabelsVisible(bool visible)
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{
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foreach (QBarSet* s, barSets()) {
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s->setLabelsVisible(visible);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QBarSeriesPrivate::QBarSeriesPrivate(QBarSeries *q) :
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QAbstractSeriesPrivate(q),
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m_barMargin(0.05), // Default value is 5% of category width
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m_mapper(0)
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// m_categories(categories),
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{
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}
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void QBarSeriesPrivate::setCategories(QBarCategories categories)
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{
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m_categories = categories;
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}
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void QBarSeriesPrivate::setBarMargin(qreal margin)
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{
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if (margin > 1.0) {
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margin = 1.0;
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} else if (margin < 0.0) {
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margin = 0.0;
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}
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m_barMargin = margin;
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emit updatedBars();
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}
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qreal QBarSeriesPrivate::barMargin()
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{
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return m_barMargin;
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}
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QBarSet* QBarSeriesPrivate::barsetAt(int index)
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{
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return m_barSets.at(index);
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}
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QString QBarSeriesPrivate::categoryName(int category)
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{
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return m_categories.at(category);
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}
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qreal QBarSeriesPrivate::min()
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{
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if (m_barSets.count() <= 0) {
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return 0;
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}
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qreal min = INT_MAX;
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for (int i = 0; i < m_barSets.count(); i++) {
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int categoryCount = m_barSets.at(i)->count();
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for (int j = 0; j < categoryCount; j++) {
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qreal temp = m_barSets.at(i)->at(j).y();
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if (temp < min)
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min = temp;
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}
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}
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return min;
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}
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qreal QBarSeriesPrivate::max()
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{
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if (m_barSets.count() <= 0) {
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return 0;
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}
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qreal max = INT_MIN;
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for (int i = 0; i < m_barSets.count(); i++) {
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int categoryCount = m_barSets.at(i)->count();
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for (int j = 0; j < categoryCount; j++) {
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qreal temp = m_barSets.at(i)->at(j).y();
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if (temp > max)
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max = temp;
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}
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}
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return max;
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}
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qreal QBarSeriesPrivate::valueAt(int set, int category)
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{
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if ((set < 0) || (set >= m_barSets.count())) {
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// No set, no value.
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return 0;
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} else if ((category < 0) || (category >= m_barSets.at(set)->count())) {
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// No category, no value.
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return 0;
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}
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return m_barSets.at(set)->at(category).y();
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}
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qreal QBarSeriesPrivate::percentageAt(int set, int category)
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{
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if ((set < 0) || (set >= m_barSets.count())) {
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// No set, no value.
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return 0;
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} else if ((category < 0) || (category >= m_barSets.at(set)->count())) {
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// No category, no value.
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return 0;
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}
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qreal value = m_barSets.at(set)->at(category).y();
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qreal sum = categorySum(category);
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if ( qFuzzyIsNull(sum) ) {
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return 0;
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}
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return value / sum;
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}
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qreal QBarSeriesPrivate::categorySum(int category)
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{
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qreal sum(0);
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int count = m_barSets.count(); // Count sets
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for (int set = 0; set < count; set++) {
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if (category < m_barSets.at(set)->count())
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sum += m_barSets.at(set)->at(category).y();
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}
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return sum;
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}
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qreal QBarSeriesPrivate::absoluteCategorySum(int category)
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{
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qreal sum(0);
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int count = m_barSets.count(); // Count sets
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for (int set = 0; set < count; set++) {
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if (category < m_barSets.at(set)->count())
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sum += qAbs(m_barSets.at(set)->at(category).y());
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}
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return sum;
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}
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qreal QBarSeriesPrivate::maxCategorySum()
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{
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qreal max = INT_MIN;
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int count = m_categories.count();
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for (int i = 0; i < count; i++) {
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qreal sum = categorySum(i);
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if (sum > max)
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max = sum;
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}
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return max;
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}
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void QBarSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
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{
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if (m_model == 0 || m_mapper == 0)
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return;
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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_mapper->orientation() == Qt::Vertical)
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{
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// model update is relevant to BarSeries if the change was made to the part of the model that was mapped to BarSeries
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if ( row >= m_mapper->first() && (m_mapper->count() == - 1 || row < m_mapper->first() + m_mapper->count())) {
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if (column >= m_mapper->mapBarBottom() && column <= m_mapper->mapBarTop())
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barsetAt(column - m_mapper->mapBarBottom())->replace(row - m_mapper->first(), m_model->data(topLeft, Qt::DisplayRole).toDouble());
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// if (column == m_mapper->mapCategories());// TODO:
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}
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}
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else
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{
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// model update is relevant to BarSeries if the change was made to the part of the model that was mapped to BarSeries
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if (column >= m_mapper->first() && (m_mapper->count() == - 1 || column < m_mapper->first() + m_mapper->count())) {
|
|
|
if (row >= m_mapper->mapBarBottom() && row <= m_mapper->mapBarTop())
|
|
|
barsetAt(row - m_mapper->mapBarBottom())->replace(column - m_mapper->first(), m_model->data(topLeft, Qt::DisplayRole).toDouble());
|
|
|
// if (row == m_mapper->mapCategories());// TODO:
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void QBarSeriesPrivate::modelDataAdded(QModelIndex parent, int start, int end)
|
|
|
{
|
|
|
Q_UNUSED(parent);
|
|
|
Q_UNUSED(start);
|
|
|
Q_UNUSED(end);
|
|
|
initializeDataFromModel();
|
|
|
}
|
|
|
|
|
|
void QBarSeriesPrivate::modelDataRemoved(QModelIndex parent, int start, int end)
|
|
|
{
|
|
|
Q_UNUSED(parent);
|
|
|
Q_UNUSED(start);
|
|
|
Q_UNUSED(end);
|
|
|
initializeDataFromModel();
|
|
|
}
|
|
|
|
|
|
void QBarSeriesPrivate::initializeDataFromModel()
|
|
|
{
|
|
|
Q_Q(QBarSeries);
|
|
|
|
|
|
// create the initial bars
|
|
|
m_categories.clear();
|
|
|
m_barSets.clear();
|
|
|
|
|
|
if (m_model == 0 || m_mapper == 0)
|
|
|
return;
|
|
|
|
|
|
// check if mappings are set
|
|
|
if (m_mapper->mapBarBottom() == -1 || m_mapper->mapBarTop() == -1 || m_mapper->mapCategories() == -1)
|
|
|
return;
|
|
|
|
|
|
// emit restructuredBars();
|
|
|
if (m_mapper->orientation() == Qt::Vertical) {
|
|
|
if (m_mapCategories >= m_model->columnCount())
|
|
|
return;
|
|
|
int rowCount = 0;
|
|
|
if(m_mapper->count() == -1)
|
|
|
rowCount = m_model->rowCount() - m_mapper->first();
|
|
|
else
|
|
|
rowCount = qMin(m_mapper->count(), m_model->rowCount() - m_mapper->first());
|
|
|
for (int k = m_mapper->first(); k < m_mapper->first() + rowCount; k++) {
|
|
|
m_categories << m_model->data(m_model->index(k, m_mapper->mapCategories()), Qt::DisplayRole).toString();
|
|
|
}
|
|
|
|
|
|
int lastAvailableBarSet = qMin(m_model->columnCount() - 1, m_mapper->mapBarTop());
|
|
|
for (int i = m_mapper->mapBarBottom(); i <= lastAvailableBarSet; i++) {
|
|
|
// for (int i = m_mapper->mapBarBottom(); i <= m_mapper->mapBarTop(); i++) {
|
|
|
QBarSet* barSet = new QBarSet(m_model->headerData(i, Qt::Horizontal, Qt::DisplayRole).toString());
|
|
|
for(int m = m_mapper->first(); m < m_mapper->first() + rowCount; m++)
|
|
|
*barSet << m_model->data(m_model->index(m, i), Qt::DisplayRole).toDouble();
|
|
|
q->append(barSet);
|
|
|
}
|
|
|
} else {
|
|
|
if (m_mapCategories >= m_model->rowCount())
|
|
|
return;
|
|
|
int columnCount = 0;
|
|
|
if(m_mapper->count() == -1)
|
|
|
columnCount = m_model->columnCount() - m_mapper->first();
|
|
|
else
|
|
|
columnCount = qMin(m_mapper->count(), m_model->columnCount() - m_mapper->first());
|
|
|
for (int k = m_mapper->first(); k < m_mapper->first() + columnCount; k++) {
|
|
|
m_categories << m_model->data(m_model->index(m_mapper->mapCategories(), k), Qt::DisplayRole).toString();
|
|
|
}
|
|
|
|
|
|
int lastAvailableBarSet = qMin(m_model->rowCount() - 1, m_mapper->mapBarTop());
|
|
|
for (int i = m_mapper->mapBarBottom(); i <= lastAvailableBarSet; i++) {
|
|
|
// for (int i = m_mapper->mapBarBottom(); i <= m_mapper->mapBarTop(); i++) {
|
|
|
QBarSet* barSet = new QBarSet(m_model->headerData(i, Qt::Vertical, Qt::DisplayRole).toString());
|
|
|
for(int m = m_mapper->first(); m < m_mapper->first() + columnCount; m++)
|
|
|
*barSet << m_model->data(m_model->index(i, m), Qt::DisplayRole).toDouble();
|
|
|
q->append(barSet);
|
|
|
}
|
|
|
}
|
|
|
emit restructuredBars();
|
|
|
// emit updatedBars();
|
|
|
}
|
|
|
|
|
|
void QBarSeriesPrivate::insertCategory(int index, const QString category)
|
|
|
{
|
|
|
m_categories.insert(index, category);
|
|
|
emit categoriesUpdated();
|
|
|
}
|
|
|
|
|
|
void QBarSeriesPrivate::removeCategory(int index)
|
|
|
{
|
|
|
m_categories.removeAt(index);
|
|
|
emit categoriesUpdated();
|
|
|
}
|
|
|
|
|
|
void QBarSeriesPrivate::barsetChanged()
|
|
|
{
|
|
|
emit updatedBars();
|
|
|
}
|
|
|
|
|
|
void QBarSeriesPrivate::scaleDomain(Domain& domain)
|
|
|
{
|
|
|
qreal minX(domain.minX());
|
|
|
qreal minY(domain.minY());
|
|
|
qreal maxX(domain.maxX());
|
|
|
qreal maxY(domain.maxY());
|
|
|
int tickXCount(domain.tickXCount());
|
|
|
int tickYCount(domain.tickYCount());
|
|
|
|
|
|
qreal x = m_categories.count();
|
|
|
qreal y = max();
|
|
|
minX = qMin(minX, x);
|
|
|
minY = qMin(minY, y);
|
|
|
maxX = qMax(maxX, x);
|
|
|
maxY = qMax(maxY, y);
|
|
|
tickXCount = x+1;
|
|
|
|
|
|
domain.setRange(minX,maxX,minY,maxY,tickXCount,tickYCount);
|
|
|
}
|
|
|
|
|
|
Chart* QBarSeriesPrivate::createGraphics(ChartPresenter* presenter)
|
|
|
{
|
|
|
Q_Q(QBarSeries);
|
|
|
|
|
|
BarChartItem* bar = new BarChartItem(q,presenter);
|
|
|
if(presenter->animationOptions().testFlag(QChart::SeriesAnimations)) {
|
|
|
presenter->animator()->addAnimation(bar);
|
|
|
}
|
|
|
presenter->chartTheme()->decorate(q, presenter->dataSet()->seriesIndex(q));
|
|
|
return bar;
|
|
|
|
|
|
}
|
|
|
|
|
|
QList<LegendMarker*> QBarSeriesPrivate::createLegendMarker(QLegend* legend)
|
|
|
{
|
|
|
Q_Q(QBarSeries);
|
|
|
QList<LegendMarker*> markers;
|
|
|
foreach(QBarSet* set, q->barSets()) {
|
|
|
BarLegendMarker* marker = new BarLegendMarker(q,set,legend);
|
|
|
markers << marker;
|
|
|
}
|
|
|
|
|
|
return markers;
|
|
|
}
|
|
|
|
|
|
#include "moc_qbarseries.cpp"
|
|
|
#include "moc_qbarseries_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
