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/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include <private/horizontalpercentbarchartitem_p.h>
#include <private/qabstractbarseries_p.h>
#include <private/qbarset_p.h>
#include <private/bar_p.h>
QT_CHARTS_BEGIN_NAMESPACE
HorizontalPercentBarChartItem::HorizontalPercentBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item)
: AbstractBarChartItem(series, item)
{
}
void HorizontalPercentBarChartItem::initializeLayout()
{
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
qreal barWidth = m_series->d_func()->barWidth();
m_layout.clear();
for(int category = 0; category < categoryCount; category++) {
for (int set = 0; set < setCount; set++) {
QRectF rect;
QPointF topLeft;
QPointF bottomRight;
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) {
topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category + barWidth / 2), m_validData);
} else {
topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(0, category + barWidth / 2), m_validData);
}
if (!m_validData)
return;
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
m_layout.append(rect.normalized());
}
}
}
QVector<QRectF> HorizontalPercentBarChartItem::calculateLayout()
{
QVector<QRectF> layout;
// Use temporary qreals for accuracy
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
qreal barWidth = m_series->d_func()->barWidth();
for(int category = 0; category < categoryCount; category++) {
qreal sum = 0;
qreal categorySum = m_series->d_func()->categorySum(category);
for (int set = 0; set < setCount; set++) {
qreal value = m_series->barSets().at(set)->at(category);
QRectF rect;
qreal topX = 0;
if (sum > 0)
topX = 100 * sum / categorySum;
qreal bottomX = 0;
qreal newSum = value + sum;
if (newSum > 0)
bottomX = 100 * newSum / categorySum;
QPointF topLeft;
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
topLeft = domain()->calculateGeometryPoint(QPointF(set ? topX : domain()->minX(), category - barWidth/2), m_validData);
else
topLeft = domain()->calculateGeometryPoint(QPointF(set ? topX : 0, category - barWidth/2), m_validData);
QPointF bottomRight = domain()->calculateGeometryPoint(QPointF(bottomX, category + barWidth/2), m_validData);
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
layout.append(rect.normalized());
sum = newSum;
}
}
return layout;
}
void HorizontalPercentBarChartItem::handleUpdatedBars()
{
// Handle changes in pen, brush, labels etc.
int categoryCount = m_series->d_func()->categoryCount();
int setCount = m_series->count();
int itemIndex(0);
static const QString valueTag(QLatin1String("@value"));
for (int category = 0; category < categoryCount; category++) {
for (int set = 0; set < setCount; set++) {
QBarSetPrivate *barSet = m_series->d_func()->barsetAt(set)->d_ptr.data();
Bar *bar = m_bars.at(itemIndex);
bar->setPen(barSet->m_pen);
bar->setBrush(barSet->m_brush);
bar->update();
QGraphicsTextItem *label = m_labels.at(itemIndex);
qreal p = m_series->d_func()->percentageAt(set, category) * 100.0;
QString vString(presenter()->numberToString(p, 'f', 0));
QString valueLabel;
if (p == 0) {
label->setVisible(false);
} else {
label->setVisible(m_series->isLabelsVisible());
if (m_series->labelsFormat().isEmpty()) {
vString.append(QStringLiteral("%"));
valueLabel = vString;
} else {
valueLabel = m_series->labelsFormat();
valueLabel.replace(valueTag, vString);
}
}
label->setHtml(valueLabel);
label->setFont(barSet->m_labelFont);
label->setDefaultTextColor(barSet->m_labelBrush.color());
label->update();
itemIndex++;
}
}
}
#include "moc_horizontalpercentbarchartitem_p.cpp"
QT_CHARTS_END_NAMESPACE
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