int ControlLayoutHelper::CalculateHeaderTextHeight(CWnd& calculateWnd)
{
if(calculateWnd.GetSafeHwnd() == NULL)
return 0;
CDC* pDC = calculateWnd.GetWindowDC();
CRect groupRect(0,0,0,0);
if(NULL != pDC)
{
CString wndText;
calculateWnd.GetWindowText(wndText);
pDC->DrawText(wndText, &groupRect, DT_CALCRECT);
}
return groupRect.Height();
}
/**
* Calculates the classifier box dimensions and the position of text
* items inside it based on the current size.
*
* @note Assumes calculateTemplateDrawing is called before calling
* this method.
*/
void ClassifierWidget::calculateClassifierDrawing()
{
const qreal w = width();
const qreal h = height();
TextItemGroup *headerGroup = textItemGroupAt(HeaderGroupIndex);
TextItemGroup *attribOpGroup = textItemGroupAt(AttribOpGroupIndex);
if (shouldDrawAsCircle()) {
// Allocates circle space algined at top and "minimum space"
// for the text which is aligned bottom.
qreal fontHeight = headerGroup->minimumSize().height();
qreal diameter = qMin(w, h - fontHeight);
m_classifierRect.setRect(0, 0, diameter, diameter);
m_classifierRect.moveCenter(QPointF(.5 * w, m_classifierRect.center().y()));
QRectF groupRect(0, diameter, w, h - diameter);
headerGroup->setGroupGeometry(groupRect);
// classifierGroup->setGroupGeometry(groupRect);
m_classifierLines[0] = m_classifierLines[1] = QLineF();
}
else {
// Utilize entire space if template box is empty.
if (textItemGroupAt(TemplateGroupIndex)->textItemCount() == 0) {
m_classifierRect = rect();
}
else {
m_classifierRect.setTop(m_templateRect.bottom() - margin());
m_classifierRect.setLeft(0);
m_classifierRect.setBottomRight(QPointF(m_templateRect.center().x(), h));
}
QRectF headerGeometry(m_classifierRect);
headerGeometry.setHeight(headerGroup->minimumSize().height());
headerGroup->setGroupGeometry(headerGeometry);
QRectF attribOpGeometry(m_classifierRect);
attribOpGeometry.setTop(headerGeometry.bottom());
attribOpGroup->setGroupGeometry(attribOpGeometry);
const int cnt = attribOpGroup->textItemCount();
qreal expanderDistance = -11;
bool showNameOnly = (!visualProperty(ShowAttributes) && !visualProperty(ShowOperations)
&& !visualProperty(ShowStereotype) && !shouldDrawAsCircle());
if (!showNameOnly && !shouldDrawAsCircle()) {
qreal y = textItemGroupAt(HeaderGroupIndex)->groupGeometry().bottom();
m_classifierLines[0].setLine(m_classifierRect.left(), y, m_classifierRect.right(), y);
qreal expanderX = rect().left() -
m_attributeExpanderBox->rect().width() - expanderDistance;
m_attributeExpanderBox->setPos(expanderX, y);
}
if (cnt > m_lineItem2Index) {
TextItem *item = attribOpGroup->textItemAt(m_lineItem2Index);
qreal y = item->mapToParent(item->boundingRect().bottomLeft()).y();
m_classifierLines[1].setLine(m_classifierRect.left(), y, m_classifierRect.right(), y);
qreal expanderX = rect().left() -
m_operationExpanderBox->rect().width() - expanderDistance;
m_operationExpanderBox->setPos(expanderX, y);
}
if (InvalidIndex == m_lineItem2Index) { // attributes and operations invisible
QPointF pos = m_attributeExpanderBox->pos();
m_operationExpanderBox->setPos(pos.x(), pos.y() + 12);
}
}
}
