/*
    TikZiT - a GUI diagram editor for TikZ
    Copyright (C) 2018 Aleks Kissinger

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

#include "style.h"
#include "tikzit.h"

Style::Style() : _name("none"), _data(0)
{
}

Style::Style(QString name, GraphElementData *data) : _name(name), _data(data)
{
}

bool Style::isNone()
{
    return _data == 0;
}

GraphElementData *Style::data() const
{
    return _data;
}

QString Style::name() const
{
    return _name;
}

QColor Style::strokeColor(bool tikzitOverride) const
{
    if (_data == 0) return QColor(Qt::black);

    QString col = propertyWithDefault("draw", "black", tikzitOverride);
    return tikzit->colorByName(col);
}

// TODO
int Style::strokeThickness() const
{
    return 1;
}

QPen Style::pen() const
{
    QPen p(strokeColor());
    p.setWidthF((float)strokeThickness() * 3.0f);
    return p;
}

QString Style::propertyWithDefault(QString prop, QString def, bool tikzitOverride) const
{
    if (_data == 0) return def;
    QString val;
    if (tikzitOverride) {
        val = _data->property("tikzit " + prop);
        if (val.isNull()) val = _data->property(prop);
    } else {
        val = _data->property(prop);
    }
    if (val.isNull()) val = def;
    return val;
}

QString Style::tikz() const
{
    return "\\tikzstyle{" + _name + "}=" + _data->tikz();
}

void Style::setName(const QString &name)
{
    _name = name;
}