PowerModeler/source/attributeTableDelegate.cpp

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#include "attributeTableDelegate.h"
#include <QPainter>
AttributeTableDelegate::AttributeTableDelegate(QTableView* view, QObject *parent)
: QStyledItemDelegate(parent)
, m_tableView(view)
{
}
AttributeTableDelegate::~AttributeTableDelegate()
{}
void AttributeTableDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
{
if(index.column() == 0)
{
QString text = index.data(Qt::DisplayRole).toString();
if(text.contains("-") && m_tableView && m_tableView->model()) //删除项,整行画一条红线
{
int row = index.row();
for(int col = 0; col < m_tableView->model()->columnCount(); col++)
{
QModelIndex index = m_tableView->model()->index(row, col);
QRect rect = m_tableView->visualRect(index);
painter->save();
painter->setPen(Qt::red);
painter->drawLine(rect.x(), rect.y() + rect.height()*0.5, rect.x() + rect.width(), rect.y() + rect.height()*0.5); //painter属于view所以要以view的坐标系为标准
painter->restore();
QStyledItemDelegate::paint(painter, option, index);
}
}
}
else if (index.data(Qt::UserRole + 1).toBool())
{
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
opt.font.setBold(true);
QStyledItemDelegate::paint(painter, opt, index);
}
}