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#include "Group.h"
#include <QModelIndex>
#include <QPainter>
#include <QtMath>
#include "GroupView.h"
Group::Group(const QString &text, GroupView *view) : view(view), text(text), collapsed(false)
{
}
Group::Group(const Group *other)
: view(other->view), text(other->text), collapsed(other->collapsed)
{
}
void Group::update()
{
firstItemIndex = firstItem().row();
rowHeights = QVector<int>(numRows());
for (int i = 0; i < numRows(); ++i)
{
rowHeights[i] = view->categoryRowHeight(
view->model()->index(i * view->itemsPerRow() + firstItemIndex, 0));
}
}
Group::HitResults Group::hitScan(const QPoint &pos) const
{
Group::HitResults results = Group::NoHit;
int y_start = verticalPosition();
int body_start = y_start + headerHeight();
int body_end = body_start + contentHeight() + 5; // FIXME: wtf is this 5?
int y = pos.y();
// int x = pos.x();
if (y < y_start)
{
results = Group::NoHit;
}
else if (y < body_start)
{
results = Group::HeaderHit;
int collapseSize = headerHeight() - 4;
// the icon
QRect iconRect = QRect(view->m_leftMargin + 2, 2 + y_start, collapseSize, collapseSize);
if (iconRect.contains(pos))
{
results |= Group::CheckboxHit;
}
}
else if (y < body_end)
{
results |= Group::BodyHit;
}
return results;
}
void Group::drawHeader(QPainter *painter, const QStyleOptionViewItem &option, const int y)
{
QStyleOptionViewItemV4 opt = option;
painter->save();
static const int margin = 2;
static const int spacing = 10;
int height = headerHeight();
int text_height = height - 2 * margin;
// set the text colors
QPalette::ColorGroup cg = QPalette::Normal;
painter->setPen(opt.palette.color(cg, QPalette::Text));
// set up geometry
QRect iconRect = QRect(view->m_leftMargin + margin, y + margin, text_height - 1, text_height - 1);
QRect iconSubrect = iconRect.adjusted(margin, margin, -margin, -margin);
QRect smallRect = iconSubrect.adjusted(margin, margin, -margin, -margin);
int midX = iconSubrect.center().x();
int midY = iconSubrect.center().y();
// checkboxy thingy
{
painter->drawRect(iconSubrect);
painter->setBrush(opt.palette.text());
painter->drawRect(smallRect.x(), midY, smallRect.width(), 2);
if(collapsed)
{
painter->drawRect(midX, smallRect.y(), 2, smallRect.height());
}
}
int x_left = iconRect.right();
if(text.length())
{
// the text
int text_width = painter->fontMetrics().width(text);
QRect textRect = QRect(x_left + spacing, y + margin, text_width, text_height);
x_left = textRect.right();
view->style()->drawItemText(painter, textRect, Qt::AlignHCenter | Qt::AlignVCenter,
opt.palette, true, text);
}
// the line
painter->drawLine(x_left + spacing, midY + 1, view->contentWidth() - view->m_rightMargin,
midY + 1);
painter->restore();
}
int Group::totalHeight() const
{
return headerHeight() + 5 + contentHeight(); // FIXME: wtf is that '5'?
}
int Group::headerHeight() const
{
int raw = view->viewport()->fontMetrics().height() + 4;
// add english. maybe. depends on font height.
if(raw % 2 == 0)
raw++;
return std::min( raw , 25 );
}
int Group::contentHeight() const
{
if (collapsed)
{
return 0;
}
int result = 0;
for (int i = 0; i < rowHeights.size(); ++i)
{
result += rowHeights[i];
}
return result;
}
int Group::numRows() const
{
return qMax(1, qCeil((qreal)numItems() / (qreal)view->itemsPerRow()));
}
int Group::verticalPosition() const
{
int res = 0;
const QList<Group *> cats = view->m_groups;
for (int i = 0; i < cats.size(); ++i)
{
if (cats.at(i) == this)
{
break;
}
res += cats.at(i)->totalHeight() + view->m_categoryMargin;
}
return res;
}
QList<QModelIndex> Group::items() const
{
QList<QModelIndex> indices;
for (int i = 0; i < view->model()->rowCount(); ++i)
{
const QModelIndex index = view->model()->index(i, 0);
if (index.data(GroupViewRoles::GroupRole).toString() == text)
{
indices.append(index);
}
}
return indices;
}
int Group::numItems() const
{
return items().size();
}
QModelIndex Group::firstItem() const
{
QList<QModelIndex> indices = items();
return indices.isEmpty() ? QModelIndex() : indices.first();
}
QModelIndex Group::lastItem() const
{
QList<QModelIndex> indices = items();
return indices.isEmpty() ? QModelIndex() : indices.last();
}
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