//=========================================================================
void BubbleChartView::prepareScene()
{
QPen peng(Qt::black);
peng.setWidth(1.5);
QBrush brushg(Qt::transparent);
chartRectGI = scene()->addRect(chartRect, peng, brushg);
gGrid.addToGroup(chartRectGI);
setHeader(/*chartData.header*/ "Chart header");
ChartDataProvider *dp = dataProvider();
if ( dp->data.size() == 0 )
return;
QPen pen(Qt::lightGray);
pen.setWidth(0.05);
QBrush brush(Qt::transparent);
quint32 swidth = (int)this->sceneRect().height()*0.8;
quint32 columnWidth = qMin((quint32)getConfig()->bubbleSize, swidth/dp->providers->count());
grid.clear();
for ( int i = 0; i < dp->providers->size(); i++ )
{
BlastTaxDataProvider *provider = dp->providers->at(i);
for ( int j = 0; j < dp->data.count(); j++)
{
if ( !dp->data.at(j).checked )
continue;
const BlastTaxNodes &btns = dp->data.at(j).tax_nodes;
BlastTaxNode *node = btns.at(i);
if ( node != NULL )
{
quint32 sum = node->sum();
if ( sum == 0 )
continue;
CreateGraphNode(node, provider);
}
}
qreal x1 = i*columnWidth;
QGraphicsRectItem *gridItem = scene()->addRect(chartRect.x()+x1, chartRect.y(), columnWidth, chartRect.height(), pen, brush);
grid.append(gridItem);
gGrid.addToGroup(gridItem);
scene()->addItem(&gGrid);
gGrid.setVisible(getConfig()->showGrid);
// Create horizontal axe labels
BlastTaxDataProvider *p = dp->providers->at(i);
QString stxt = p->name;
if ( stxt.length() > 30 )
{
stxt.truncate(27);
stxt.append("...");
}
QGraphicsTextItem *item = scene()->addText(stxt);
item->setToolTip(p->name);
item->setRotation(45);
horizontalLegend.append(item);
}
for ( int j = 0; j < dp->data.count(); j++)
{
const BlastTaxNodes &btns = dp->data.at(j).tax_nodes;
QString txt;
for ( int i = 0 ; i < btns.size(); i++ )
{
if ( btns[i] == NULL )
continue;
txt = btns[i]->getText();
break;
}
QString stxt = txt;
if ( stxt.length() > 30 )
{
stxt.truncate(27);
stxt.append("...");
}
QGraphicsTextItem *item = scene()->addText(stxt);
item->installEventFilter(this);
item->setToolTip(txt);
item->setVisible(dp->data.at(j).checked);
verticalLegend.append(item);
}
header->setPos(0, 10-MARGIN);
quint32 tw = header->textWidth();
header->setTextWidth(qMax(tw, dp->providers->count()*columnWidth));
}
