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#include "stylelist.h"
#include <QTextStream>
StyleList::StyleList(bool edgeStyles, QObject *parent) : QAbstractListModel(parent), _edgeStyles(edgeStyles)
{
if (edgeStyles) {
_styles << noneEdgeStyle;
} else {
_styles << noneStyle;
}
}
Style *StyleList::style(QString name)
{
foreach (Style *s, _styles)
if (s->name() == name) return s;
return nullptr;
}
Style *StyleList::style(int i)
{
return _styles[i];
}
int StyleList::length() const
{
return _styles.length();
}
void StyleList::addStyle(Style *s)
{
s->setParent(this);
if (s->category() == _category) {
int n = numInCategory();
beginInsertRows(QModelIndex(), n, n);
_styles << s;
endInsertRows();
} else {
_styles << s;
}
}
void StyleList::removeNthStyle(int n)
{
beginRemoveRows(QModelIndex(), n, n);
_styles.remove(nthInCategory(n));
endRemoveRows();
}
void StyleList::clear()
{
int n = numInCategory();
if (n > 0) {
beginRemoveRows(QModelIndex(), 1, n - 1);
_styles.clear();
if (_edgeStyles) _styles << noneEdgeStyle;
else _styles << noneStyle;
endRemoveRows();
} else {
_styles.clear();
if (_edgeStyles) _styles << noneEdgeStyle;
else _styles << noneStyle;
}
_category = "";
}
QString StyleList::tikz()
{
QString str;
QTextStream code(&str);
for (int i = 1; i < _styles.length(); ++i)
code << _styles[i]->tikz() << "\n";
code.flush();
return str;
}
int StyleList::numInCategory() const
{
int c = 0;
foreach (Style *s, _styles) {
if (_category == "" || s->isNone() || s->category() == _category) {
++c;
}
}
return c;
}
int StyleList::nthInCategory(int n) const
{
int c = 0;
for (int j = 0; j < _styles.length(); ++j) {
if (_category == "" || _styles[j]->isNone() || _styles[j]->category() == _category) {
if (c == n) return j;
else ++c;
}
}
return -1;
}
Style *StyleList::styleInCategory(int n) const
{
return _styles[nthInCategory(n)];
}
QVariant StyleList::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 StyleList::rowCount(const QModelIndex &/*parent*/) const
{
return numInCategory();
}
bool StyleList::moveRows(const QModelIndex &sourceParent,
int sourceRow,
int /*count*/,
const QModelIndex &destinationParent,
int destinationRow)
{
if (sourceRow >= 1 && sourceRow < numInCategory() &&
destinationRow >= 1 && destinationRow <= numInCategory())
{
beginMoveRows(sourceParent, sourceRow, sourceRow, destinationParent, destinationRow);
int sourceIndex = nthInCategory(sourceRow);
int destinationIndex = nthInCategory(destinationRow);
if (destinationIndex == -1)
destinationIndex = _styles.length();
Style *s = _styles[sourceIndex];
_styles.remove(sourceIndex);
if (sourceIndex < destinationIndex) {
_styles.insert(destinationIndex - 1, s);
} else {
_styles.insert(destinationIndex, s);
}
endMoveRows();
return true;
} else {
return false;
}
}
QString StyleList::category() const
{
return _category;
}
void StyleList::setCategory(const QString &category)
{
if (category != _category) {
beginResetModel();
_category = category;
endResetModel();
}
}
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