|
|
#include "stackedbargroup.h"
|
|
|
#include "bar_p.h"
|
|
|
#include "barlabel_p.h"
|
|
|
#include "separator_p.h"
|
|
|
#include <QDebug>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
StackedBarGroup::StackedBarGroup(StackedBarChartSeries& series, QGraphicsItem *parent) :
|
|
|
BarGroupBase(series,parent)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
void StackedBarGroup::layoutChanged()
|
|
|
{
|
|
|
qDebug() << "StackedBarGroup::layoutChanged";
|
|
|
// Scale bars to new layout
|
|
|
// Layout for bars:
|
|
|
if (mModel.countRows() <= 0) {
|
|
|
// Nothing to do.
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (mModel.countColumns() == 0) {
|
|
|
// Nothing to do
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (childItems().count() == 0) {
|
|
|
qDebug() << "WARNING: StackedBarGroup::layoutChanged called before graphics items are created!";
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// TODO: better way to auto-layout
|
|
|
// Use reals for accurancy (we might get some compiler warnings... :)
|
|
|
// TODO: use temp variable for column count...
|
|
|
qreal maxSum = mModel.maxColumnSum();
|
|
|
qreal h = mHeight;
|
|
|
qreal scale = (h / maxSum);
|
|
|
|
|
|
int itemIndex(0);
|
|
|
qreal tW = mWidth;
|
|
|
qreal tC = mModel.countColumns() + 1;
|
|
|
qreal xStep = (tW/tC);
|
|
|
qreal xPos = ((tW/tC) - mBarDefaultWidth / 2);
|
|
|
int labelIndex = mModel.countRows() * mModel.countColumns();
|
|
|
|
|
|
for (int column = 0; column < mModel.countColumns(); column++) {
|
|
|
qreal yPos = h;
|
|
|
for (int row=0; row < mModel.countRows(); row++) {
|
|
|
qreal barHeight = mModel.valueAt(row, column) * scale;
|
|
|
Bar* bar = reinterpret_cast<Bar*> (childItems().at(itemIndex));
|
|
|
|
|
|
// TODO: width settable per bar?
|
|
|
// TODO: theme stuff
|
|
|
// mTheme->themeForSeries();
|
|
|
bar->resize(mBarDefaultWidth, barHeight);
|
|
|
bar->setColor(mColors.at(row));
|
|
|
bar->setPos(xPos, yPos-barHeight);
|
|
|
itemIndex++;
|
|
|
yPos -= barHeight;
|
|
|
}
|
|
|
|
|
|
// TODO: Layout for labels, remove magic number
|
|
|
BarLabel* label = reinterpret_cast<BarLabel*> (childItems().at(labelIndex));
|
|
|
label->setPos(xPos, mHeight + 20);
|
|
|
labelIndex++;
|
|
|
xPos += xStep;
|
|
|
}
|
|
|
|
|
|
|
|
|
// Position separators
|
|
|
int separatorIndex = labelIndex; // Separators are after labels in childItems(). TODO: better way to store these?
|
|
|
xPos = xStep + xStep/2; // Initial position is between first and second group. ie one and half steps from left.
|
|
|
for (int s=0; s < mModel.countColumns() - 1; s++) {
|
|
|
Separator* sep = reinterpret_cast<Separator*> (childItems().at(separatorIndex));
|
|
|
sep->setPos(xPos,0);
|
|
|
sep->setSize(QSizeF(1,mHeight));
|
|
|
xPos += xStep;
|
|
|
separatorIndex++;
|
|
|
}
|
|
|
|
|
|
mLayoutDirty = true;
|
|
|
}
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
