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#include "stackedbarchartitem_p.h"
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#include "bar_p.h"
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#include "barvalue_p.h"
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#include "qbarset.h"
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#include <QDebug>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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StackedBarChartItem::StackedBarChartItem(QBarSeries *series, ChartPresenter *presenter) :
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BarChartItem(series, presenter)
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{
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}
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StackedBarChartItem::~StackedBarChartItem()
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{
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}
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QVector<QRectF> StackedBarChartItem::calculateLayout()
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{
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QVector<QRectF> layout;
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// Use temporary qreals for accurancy (we might get some compiler warnings... :)
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qreal maxSum = m_series->maxCategorySum();
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// Domain:
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if (m_domainMaxY > maxSum) {
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maxSum = m_domainMaxY;
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}
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qreal height = geometry().height();
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qreal width = geometry().width();
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qreal scale = (height / m_series->maxCategorySum());
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qreal categotyCount = m_series->categoryCount();
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qreal barWidth = width / (categotyCount * 2);
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qreal xStep = width / categotyCount;
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qreal xPos = xStep / 2 - barWidth / 2;
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int itemIndex(0);
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for (int category = 0; category < categotyCount; category++) {
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qreal yPos = height;
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for (int set=0; set < m_series->barsetCount(); set++) {
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qreal barHeight = m_series->valueAt(set, category) * scale;
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Bar* bar = m_bars.at(itemIndex);
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bar->setPen(m_series->barsetAt(set)->pen());
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bar->setBrush(m_series->barsetAt(set)->brush());
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QRectF rect(xPos, yPos-barHeight, barWidth, barHeight);
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layout.append(rect);
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itemIndex++;
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yPos -= barHeight;
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}
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xPos += xStep;
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}
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// Position floating values
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itemIndex = 0;
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xPos = (width/categotyCount);
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for (int category=0; category < m_series->categoryCount(); category++) {
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qreal yPos = height;
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for (int set=0; set < m_series->barsetCount(); set++) {
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qreal barHeight = m_series->valueAt(set, category) * scale;
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BarValue* value = m_floatingValues.at(itemIndex);
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QBarSet* barSet = m_series->barsetAt(set);
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value->resize(100, 50); // TODO: proper layout for this.
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value->setPos(xPos, yPos-barHeight / 2);
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value->setPen(barSet->floatingValuePen());
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if (m_series->valueAt(set, category) != 0) {
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value->setValueString(QString::number(m_series->valueAt(set,category)));
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} else {
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value->setValueString(QString(""));
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}
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itemIndex++;
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yPos -= barHeight;
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}
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xPos += xStep;
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}
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return layout;
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}
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#include "moc_stackedbarchartitem_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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