##// END OF EJS Templates
Adds loosenumber algorithm...
Adds loosenumber algorithm * adds loose numbers , natvie numbers * rewrites zoom handling * remove zoom stack since loose numbers takes control * adds number of fractional digits to show

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stackedbarchartitem.cpp
102 lines | 2.9 KiB | text/x-c | CppLexer
/ src / barchart / stackedbarchartitem.cpp
#include "stackedbarchartitem_p.h"
#include "bar_p.h"
#include "barvalue_p.h"
#include "qbarset.h"
#include <QDebug>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
StackedBarChartItem::StackedBarChartItem(QBarSeries *series, ChartPresenter *presenter) :
BarChartItem(series,presenter)
{
}
StackedBarChartItem::~StackedBarChartItem()
{
}
void StackedBarChartItem::layoutChanged()
{
// Scale bars to new layout
// Layout for bars:
if (mSeries->barsetCount() <= 0) {
qDebug() << "No sets in model!";
// Nothing to do.
return;
}
if (mSeries->categoryCount() == 0) {
qDebug() << "No categories in model!";
// Nothing to do
return;
}
if (childItems().count() == 0) {
qDebug() << "WARNING: StackedBarChartItem::layoutChanged called before graphics items are created!";
return;
}
// Use temporary qreals for accurancy (we might get some compiler warnings... :)
qreal maxSum = mSeries->maxCategorySum();
// Domain:
if (mDomainMaxY > maxSum) {
maxSum = mDomainMaxY;
}
qreal h = mHeight;
qreal scale = (h / maxSum);
qreal tW = mWidth;
qreal tC = mSeries->categoryCount() + 1;
qreal cC = mSeries->categoryCount() * 2 + 1;
mBarWidth = tW / cC;
qreal xStep = (tW/tC);
qreal xPos = ((tW/tC) - mBarWidth / 2);
int itemIndex(0);
for (int category = 0; category < mSeries->categoryCount(); category++) {
qreal yPos = h;
for (int set=0; set < mSeries->barsetCount(); set++) {
qreal barHeight = mSeries->valueAt(set, category) * scale;
Bar* bar = mBars.at(itemIndex);
bar->resize(mBarWidth, barHeight);
bar->setPen(mSeries->barsetAt(set)->pen());
bar->setBrush(mSeries->barsetAt(set)->brush());
bar->setPos(xPos, yPos-barHeight);
itemIndex++;
yPos -= barHeight;
}
xPos += xStep;
}
// Position floating values
itemIndex = 0;
xPos = (tW/tC);
for (int category=0; category < mSeries->categoryCount(); category++) {
qreal yPos = h;
for (int set=0; set < mSeries->barsetCount(); set++) {
qreal barHeight = mSeries->valueAt(set,category) * scale;
BarValue* value = mFloatingValues.at(itemIndex);
QBarSet* barSet = mSeries->barsetAt(set);
value->resize(100,50); // TODO: proper layout for this.
value->setPos(xPos, yPos-barHeight/2);
value->setPen(barSet->floatingValuePen());
if (mSeries->valueAt(set,category) != 0) {
value->setValueString(QString::number(mSeries->valueAt(set,category)));
} else {
value->setValueString(QString(""));
}
itemIndex++;
yPos -= barHeight;
}
xPos += xStep;
}
}
#include "moc_stackedbarchartitem_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE