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#include "nodestylelist.h"
#include <QTextStream>
NodeStyleList::NodeStyleList(QObject *parent) : QAbstractListModel(parent)
{
}
Style *NodeStyleList::style(QString name)
{
foreach (Style *s, _styles)
if (s->name() == name) return s;
return nullptr;
}
Style *NodeStyleList::style(int i)
{
return _styles[i];
}
int NodeStyleList::length() const
{
return _styles.length();
}
void NodeStyleList::addStyle(Style *s)
{
s->setParent(this);
if (s->category() == _category) {
int n = numInCategory();
beginInsertRows(QModelIndex(), n, n);
_styles << s;
endInsertRows();
} else {
_styles << s;
}
}
void NodeStyleList::clear()
{
int n = numInCategory();
if (n > 0) {
beginRemoveRows(QModelIndex(), 0, n - 1);
_styles.clear();
endRemoveRows();
} else {
_styles.clear();
}
_category = "";
}
QString NodeStyleList::tikz()
{
QString str;
QTextStream code(&str);
foreach (Style *s, _styles) code << s->tikz() << "\n";
code.flush();
return str;
}
int NodeStyleList::numInCategory() const
{
int c = 0;
foreach (Style *s, _styles) {
if (_category == "" || s->category() == _category) {
++c;
}
}
return c;
}
int NodeStyleList::nthInCategory(int n) const
{
int c = 0;
for (int j = 0; j < _styles.length(); ++j) {
if (_category == "" || _styles[j]->category() == _category) {
if (c == n) return j;
else ++c;
}
}
return -1;
}
Style *NodeStyleList::styleInCategory(int n) const
{
return _styles[nthInCategory(n)];
}
QVariant NodeStyleList::data(const QModelIndex &index, int role) const
{
if (role == Qt::DisplayRole) {
return QVariant(styleInCategory(index.row())->name());
} else if (role == Qt::DecorationRole) {
return QVariant(styleInCategory(index.row())->icon());
} else {
return QVariant();
}
}
int NodeStyleList::rowCount(const QModelIndex &/*parent*/) const
{
return numInCategory();
}
QString NodeStyleList::category() const
{
return _category;
}
void NodeStyleList::setCategory(const QString &category)
{
_category = category;
}
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