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#include "nodestyle.h"
#include <QPainter>
NodeStyle *noneStyle = new NodeStyle();
NodeStyle::NodeStyle() : _name("none"), _data(0)
{
}
NodeStyle::NodeStyle(QString name, GraphElementData *data): _name(name), _data(data)
{
}
bool NodeStyle::isNone() { return _data == 0; }
GraphElementData *NodeStyle::data() const
{
return _data;
}
QString NodeStyle::name() const
{
return _name;
}
NodeStyle::Shape NodeStyle::shape() const
{
if (_data == 0) return NodeStyle::Circle;
QString sh = _data->property("shape");
if (sh.isNull()) return NodeStyle::Circle;
else if (sh == "circle") return NodeStyle::Circle;
else if (sh == "rectangle") return NodeStyle::Rectangle;
else return NodeStyle::Circle;
}
QColor NodeStyle::fillColor() const
{
if (_data == 0) return Qt::white;
QString col = _data->property("fill");
if (col.isNull()) {
return QColor(Qt::white);
} else {
QColor namedColor(col);
if (namedColor.isValid()) {
return namedColor;
} else {
// TODO: read RGB colors
return QColor(Qt::white);
}
}
}
QColor NodeStyle::strokeColor() const
{
if (_data == 0) return Qt::black;
QString col = _data->property("draw");
if (col.isNull()) {
return QColor(Qt::black);
} else {
QColor namedColor(col);
if (namedColor.isValid()) {
return namedColor;
} else {
// TODO: read RGB colors
return QColor(Qt::white);
}
}
}
int NodeStyle::strokeThickness() const
{
return 1;
}
QPen NodeStyle::pen() const
{
QPen p(strokeColor());
p.setWidthF((float)strokeThickness() * 3.0f);
return p;
}
QBrush NodeStyle::brush() const
{
return QBrush(fillColor());
}
QPainterPath NodeStyle::path() const
{
QPainterPath pth;
pth.addEllipse(QPointF(0.0f,0.0f), 30.0f, 30.0f);
return pth;
}
QPainterPath NodeStyle::palettePath() const
{
return path();
}
QIcon NodeStyle::icon() const
{
// draw an icon matching the style
QPixmap px(100,100);
px.fill(Qt::transparent);
QPainter painter(&px);
QPainterPath pth = path();
pth.translate(50.0f, 50.0f);
if (_data == 0) {
QColor c(180,180,200);
painter.setPen(QPen(c));
painter.setBrush(QBrush(c));
painter.drawEllipse(QPointF(50.0f,50.0f), 3,3);
QPen pen(QColor(180,180,220));
pen.setWidth(3);
QVector<qreal> p;
p << 2.0 << 2.0;
pen.setDashPattern(p);
painter.setPen(pen);
painter.setBrush(Qt::NoBrush);
painter.drawPath(pth);
} else {
painter.setPen(pen());
painter.setBrush(brush());
painter.drawPath(pth);
}
return QIcon(px);
}
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