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#include "listdelegate.h"
#include "listitem.h"
#include <algorithm>
#include <QModelIndex>
#include <QPainter>
#include <QApplication>
#include <QTextDocument>
#include <QIcon>
ListDelegate::ListDelegate(QObject *parent)
: QStyledItemDelegate(parent)
{
}
void ListDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QString title = index.data(ListItem::ItemTitle).toString();
QString description = index.data(ListItem::ItemDescription).toString();
QIcon icon = QIcon::fromTheme(index.data(ListItem::ItemIcon).toString());
// QVariant data = index.data(ListItem::ItemData);
painter->save();
QPalette p;
painter->fillRect(option.rect, p.brush((index.row() % 2 ) ? QPalette::Base : QPalette::AlternateBase));
QStyle *style = QApplication::style();
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter);
QTextDocument doc;
painter->translate(option.rect.topLeft());
if (option.state & QStyle::State_Selected)
{
painter->setPen(option.palette.color(QPalette::Normal, QPalette::HighlightedText));
doc.setDefaultStyleSheet("* { color: "+option.palette.color(QPalette::HighlightedText).name()+"; }");
}
else
{
painter->setPen(option.palette.color(QPalette::Normal, QPalette::Text));
doc.setDefaultStyleSheet("* { color: "+option.palette.color(QPalette::Text).name()+"; }");
}
if(!icon.isNull())
{
painter->drawPixmap(5,5,64,64, icon.pixmap(QSize(64,64)));
}
QFont f = painter->font();
f.setBold(true);
painter->setFont(f);
painter->drawText(74,20, title);
f.setBold(false);
doc.setUndoRedoEnabled(false);
doc.setDocumentMargin(0);
doc.setTextWidth(option.rect.width()-79);
doc.setUseDesignMetrics(true);
doc.setHtml("<p>"+description+"</p>");
QRectF rect = QRectF(QPoint(0,0),doc.size());
painter->translate(74,20+QFontMetrics::QFontMetrics(f).height());
doc.drawContents(painter, rect);
painter->translate(-74,-20-QFontMetrics::QFontMetrics(f).height());
painter->restore();
}
QSize ListDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QString description = index.data(ListItem::ItemDescription).toString();
QFont f = QApplication::font();
QTextDocument doc;
doc.setUndoRedoEnabled(false);
doc.setDocumentMargin(0);
doc.setTextWidth(option.rect.width()-79);
doc.setUseDesignMetrics(true);
doc.setHtml("<p>"+description+"</p>");
return QSize(option.rect.width()-10,std::max(69, int(25+QFontMetrics::QFontMetrics(f).height()+doc.size().height())));
}
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