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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 <QDebug>
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#include "qbarseries.h"
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#include "qbarset.h"
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#include "barchartmodel_p.h"
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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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QBarSeries represents a series of data shown as bars. One QBarSeries can contain multible
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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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\mainclass
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\sa QBarSet, QStackedBarSeries, QPercentBarSeries
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*/
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/*!
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\fn virtual QSeriesType QBarSeries::type() const
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\brief Returns type of series.
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\sa QSeries, QSeriesType
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*/
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/*!
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\fn void QBarSeries::showToolTip(QPoint pos, QString tip)
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\brief \internal \a pos \a tip
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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) : QSeries(parent),
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m_internalModel(new BarChartModel(categories, this))
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{
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m_model = 0;
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m_mapCategories = -1;
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m_mapBarBottom = -1;
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m_mapBarTop = -1;
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m_mapFirst = 0;
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m_mapCount = 0;
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m_mapOrientation = Qt::Vertical;
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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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Connects the clicked(QString, Qt::MouseButtons) signal
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of \a set to this series
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*/
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void QBarSeries::appendBarSet(QBarSet *set)
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{
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m_internalModel->appendBarSet(set);
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connect(set, SIGNAL(clicked(QString,Qt::MouseButtons)), this, SLOT(barsetClicked(QString,Qt::MouseButtons)));
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connect(set, SIGNAL(valueChanged()), this, SLOT(barsetChanged()));
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emit updatedBars();
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}
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/*!
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Removes a set of bars from series. Releases ownership of \a set. Doesnt delete \a set.
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Disconnects the clicked(QString, Qt::MouseButtons) signal
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of \a set from this series
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*/
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void QBarSeries::removeBarSet(QBarSet *set)
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{
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disconnect(set, SIGNAL(clicked(QString,Qt::MouseButtons)), this, SLOT(barsetClicked(QString,Qt::MouseButtons)));
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m_internalModel->removeBarSet(set);
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emit updatedBars();
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}
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void QBarSeries::insertBarSet(int i, QBarSet *set)
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{
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m_internalModel->insertBarSet(i, set);
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// emit barsetChanged();
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}
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void QBarSeries::insertCategory(int i, QString category)
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{
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m_internalModel->insertCategory(i, category);
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}
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void QBarSeries::removeCategory(int i)
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{
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m_internalModel->removeCategory(i);
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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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// if(m_model)
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// return m_mapBarTop - m_mapBarBottom;
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// else
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return m_internalModel->barsetCount();
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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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return m_internalModel->categoryCount();
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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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return m_internalModel->barSets();
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}
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/*!
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\internal \a index
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*/
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QBarSet* QBarSeries::barsetAt(int index)
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{
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return m_internalModel->barsetAt(index);
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}
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/*!
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\internal \a category
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*/
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QString QBarSeries::categoryName(int category)
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{
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return m_internalModel->categoryName(category);
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}
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/*!
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Enables or disables tooltip depending on parameter \a enabled.
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Tooltip shows the name of set, when mouse is hovering on top of bar.
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Calling without parameter \a enabled, enables the tooltip
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*/
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void QBarSeries::setToolTipEnabled(bool enabled)
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{
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// TODO: what if we add sets after call to this function? Those sets won't have tooltip enabled.
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if (enabled) {
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for (int i=0; i<m_internalModel->barsetCount(); i++) {
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QBarSet *set = m_internalModel->barsetAt(i);
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connect(set, SIGNAL(showToolTip(QPoint,QString)), this, SIGNAL(showToolTip(QPoint,QString)));
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}
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} else {
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for (int i=0; i<m_internalModel->barsetCount(); i++) {
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QBarSet *set = m_internalModel->barsetAt(i);
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disconnect(set, SIGNAL(showToolTip(QPoint,QString)), this, SIGNAL(showToolTip(QPoint,QString)));
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}
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}
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}
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/*!
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\internal \a category
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*/
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void QBarSeries::barsetClicked(QString category, Qt::MouseButtons button)
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{
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emit clicked(qobject_cast<QBarSet*>(sender()), category, button);
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}
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/*!
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\internal
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*/
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qreal QBarSeries::min()
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{
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return m_internalModel->min();
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}
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/*!
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\internal
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*/
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qreal QBarSeries::max()
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{
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return m_internalModel->max();
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}
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/*!
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\internal \a set \a category
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*/
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qreal QBarSeries::valueAt(int set, int category)
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{
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return m_internalModel->valueAt(set, category);
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}
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/*!
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\internal \a set \a category
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*/
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qreal QBarSeries::percentageAt(int set, int category)
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{
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return m_internalModel->percentageAt(set, category);
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}
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/*!
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\internal \a category
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*/
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qreal QBarSeries::categorySum(int category)
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{
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return m_internalModel->categorySum(category);
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}
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/*!
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\internal
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*/
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qreal QBarSeries::maxCategorySum()
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{
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return m_internalModel->maxCategorySum();
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}
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/*!
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\internal
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*/
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BarChartModel& QBarSeries::model()
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{
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return *m_internalModel;
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}
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bool QBarSeries::setModel(QAbstractItemModel *model)
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{
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// disconnect signals from old model
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if(m_model)
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{
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disconnect(m_model, 0, this, 0);
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m_mapCategories = -1;
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m_mapBarBottom = -1;
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m_mapBarTop = -1;
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m_mapFirst = 0;
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m_mapCount = 0;
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m_mapOrientation = Qt::Vertical;
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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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m_model = model;
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return true;
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}
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else
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{
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m_model = 0;
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return false;
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}
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}
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// TODO
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void QBarSeries::setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation)
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{
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if (!m_model)
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return;
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m_mapCategories = categories;
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m_mapBarBottom = bottomBoundry;
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m_mapBarTop = topBoundry;
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// m_mapFirst = 1;
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m_mapOrientation = orientation;
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// connect the signals
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if (m_mapOrientation == Qt::Vertical) {
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m_mapCount = m_model->rowCount() - m_mapFirst;
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connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)),
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this, SLOT(modelUpdated(QModelIndex, QModelIndex)));
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connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)),
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this, SLOT(modelDataAdded(QModelIndex,int,int)));
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connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)),
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this, SLOT(modelDataRemoved(QModelIndex,int,int)));
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} else {
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m_mapCount = m_model->columnCount() - m_mapFirst;
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connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)),
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this, SLOT(modelUpdated(QModelIndex, QModelIndex)));
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connect(m_model,SIGNAL(columnsInserted(QModelIndex, int, int)),
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this, SLOT(modelDataAdded(QModelIndex,int,int)));
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connect(m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)),
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this, SLOT(modelDataRemoved(QModelIndex,int,int)));
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}
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// create the initial bars
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delete m_internalModel;
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if (m_mapOrientation == Qt::Vertical) {
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QStringList categories;
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for (int k = m_mapFirst; k < m_mapFirst + m_mapCount; k++)
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categories << m_model->data(m_model->index(k, m_mapCategories), Qt::DisplayRole).toString();
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m_internalModel = new BarChartModel(categories, this);
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for (int i = m_mapBarBottom; i <= m_mapBarTop; i++) {
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QBarSet* barSet = new QBarSet(QString("Column: %1").arg(i + 1));
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for(int m = m_mapFirst; m < m_mapFirst + m_mapCount; m++)
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*barSet << m_model->data(m_model->index(m, i), Qt::DisplayRole).toDouble();
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appendBarSet(barSet);
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}
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} else {
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QStringList categories;
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for (int k = m_mapFirst; k < m_mapFirst + m_mapCount; k++)
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categories << m_model->data(m_model->index(m_mapCategories, k), Qt::DisplayRole).toString();
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m_internalModel = new BarChartModel(categories, this);
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for (int i = m_mapBarBottom; i <= m_mapBarTop; i++) {
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QBarSet* barSet = new QBarSet(QString("Row: %1").arg(i + 1));
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for(int m = m_mapFirst; m < m_mapFirst + m_mapCount; m++)
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*barSet << m_model->data(m_model->index(i, m), Qt::DisplayRole).toDouble();
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appendBarSet(barSet);
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}
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}
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}
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void QBarSeries::setModelMappingShift(int first, int count)
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{
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m_mapFirst = first;
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m_mapCount = count;
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}
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void QBarSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
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{
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Q_UNUSED(bottomRight)
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if (m_mapOrientation == 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 (topLeft.column() >= m_mapBarBottom && topLeft.column() <= m_mapBarTop && topLeft.row() >= m_mapFirst && topLeft.row() < m_mapFirst + m_mapCount)
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barsetAt(topLeft.column() - m_mapBarBottom)->setValue(topLeft.row() - m_mapFirst, m_model->data(topLeft, Qt::DisplayRole).toDouble());
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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 (topLeft.row() >= m_mapBarBottom && topLeft.row() <= m_mapBarTop && topLeft.column() >= m_mapFirst && topLeft.column() < m_mapFirst + m_mapCount)
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barsetAt(topLeft.row() - m_mapBarBottom)->setValue(topLeft.column() - m_mapFirst, m_model->data(topLeft, Qt::DisplayRole).toDouble());
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}
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}
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void QBarSeries::modelDataAdded(QModelIndex /*parent*/, int start, int /*end*/)
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{
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if (m_mapOrientation == Qt::Vertical) {
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insertCategory(start - m_mapFirst, QString("Row: %1").arg(start + 1));
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for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++) {
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barsetAt(i)->insertValue(start - m_mapFirst, m_model->data(m_model->index(start, i), Qt::DisplayRole).toDouble());
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}
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} else {
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insertCategory(start - m_mapFirst, QString("Column: %1").arg(start + 1));
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for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++) {
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barsetAt(i)->insertValue(start - m_mapFirst, m_model->data(m_model->index(i, start), Qt::DisplayRole).toDouble());
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}
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}
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emit restructuredBar(1);
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}
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void QBarSeries::modelDataRemoved(QModelIndex parent, int start, int end)
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{
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Q_UNUSED(parent)
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Q_UNUSED(end)
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removeCategory(start - m_mapFirst);
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for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++)
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{
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barsetAt(i)->removeValue(start - m_mapFirst);
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}
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emit restructuredBar(1);
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}
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void QBarSeries::barsetChanged()
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{
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emit updatedBars();
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}
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QBarCategories QBarSeries::categories() const
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{
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QBarCategories categories;
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int count = m_internalModel->categoryCount();
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for (int i=1; i <= count; i++) {
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categories.insert(i, m_internalModel->categoryName(i - 1));
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}
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return categories;
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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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#include "moc_qbarseries.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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