139 lines
3.1 KiB
C++
139 lines
3.1 KiB
C++
#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),
|
|
iconRect(other->iconRect), textRect(other->textRect)
|
|
{
|
|
}
|
|
|
|
void Group::update()
|
|
{
|
|
firstRow = firstItem().row();
|
|
|
|
rowHeights = QVector<int>(numRows());
|
|
for (int i = 0; i < numRows(); ++i)
|
|
{
|
|
rowHeights[i] = view->categoryRowHeight(
|
|
view->model()->index(i * view->itemsPerRow() + firstRow, 0));
|
|
}
|
|
}
|
|
|
|
void Group::drawHeader(QPainter *painter, const int y)
|
|
{
|
|
painter->save();
|
|
|
|
int height = headerHeight() - 4;
|
|
int collapseSize = height;
|
|
|
|
// the icon
|
|
iconRect = QRect(view->m_rightMargin + 2, 2 + y, collapseSize, collapseSize);
|
|
painter->setPen(QPen(Qt::black, 1));
|
|
painter->drawRect(iconRect);
|
|
static const int margin = 2;
|
|
QRect iconSubrect = iconRect.adjusted(margin, margin, -margin, -margin);
|
|
int midX = iconSubrect.center().x();
|
|
int midY = iconSubrect.center().y();
|
|
if (collapsed)
|
|
{
|
|
painter->drawLine(midX, iconSubrect.top(), midX, iconSubrect.bottom());
|
|
}
|
|
painter->drawLine(iconSubrect.left(), midY, iconSubrect.right(), midY);
|
|
|
|
// the text
|
|
int textWidth = painter->fontMetrics().width(text);
|
|
textRect = QRect(iconRect.right() + 4, y, textWidth, headerHeight());
|
|
painter->setBrush(view->viewOptions().palette.text());
|
|
view->style()->drawItemText(painter, textRect, Qt::AlignHCenter | Qt::AlignVCenter,
|
|
view->viewport()->palette(), true, text);
|
|
|
|
// the line
|
|
painter->drawLine(textRect.right() + 4, y + headerHeight() / 2,
|
|
view->contentWidth() - view->m_rightMargin, y + headerHeight() / 2);
|
|
|
|
painter->restore();
|
|
}
|
|
|
|
int Group::totalHeight() const
|
|
{
|
|
return headerHeight() + 5 + contentHeight();
|
|
}
|
|
|
|
int Group::headerHeight() const
|
|
{
|
|
return view->viewport()->fontMetrics().height() + 4;
|
|
}
|
|
|
|
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::top() const
|
|
{
|
|
int res = 0;
|
|
const QList<Group *> cats = view->m_categories;
|
|
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(CategorizedViewRoles::CategoryRole).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();
|
|
}
|