rulelist.h

Go to the documentation of this file.

 
#ifndef OPENSWMM_RENDER_RULELIST_H
#define OPENSWMM_RENDER_RULELIST_H
 
#include "render/rule.h"
 
#include <QJsonArray>
#include <QObject>
 
#include <memory>
#include <vector>
 
namespace OpenSWMM::Render
{
 
class RuleList : public QObject
{
    Q_OBJECT
 
public:
    explicit RuleList(QObject *parent = nullptr);
    ~RuleList() override;
 
    RuleList(const RuleList &) = delete;
    RuleList &operator=(const RuleList &) = delete;
    RuleList(RuleList &&) = delete;
    RuleList &operator=(RuleList &&) = delete;
 
    // ── Read access ───────────────────────────────────────────────────
 
    [[nodiscard]] int      count() const;
    [[nodiscard]] bool     isEmpty() const { return count() == 0; }
    [[nodiscard]] Rule    *at(int index) const;
    [[nodiscard]] int      indexOf(const Rule *rule) const;
 
    [[nodiscard]] int      activeIndex() const { return m_activeIndex; }
    [[nodiscard]] Rule    *activeRule() const;
 
    // ── Mutators (each emits ruleListChanged after the change lands) ──
 
    Rule *append(std::unique_ptr<Rule> rule);
 
    Rule *insert(int index, std::unique_ptr<Rule> rule);
 
    bool  remove(int index);
 
    bool  move(int from, int to);
 
    void  clear();
 
    void  setActiveIndex(int index);
 
    // ── JSON ──────────────────────────────────────────────────────────
 
    [[nodiscard]] QJsonArray toJson() const;
 
    void fromJson(const QJsonArray &arr);
 
    void loadLegacySublayersAsRules(const QJsonArray &sublayers);
 
signals:
    void ruleListChanged();          
    void activeIndexChanged(int i);  
    void ruleChanged(int i);         
private:
    void connectRule(Rule *r);       
    std::vector<std::unique_ptr<Rule>> m_rules;
    int                                m_activeIndex = -1;
};
 
} // namespace OpenSWMM::Render
 
#endif // OPENSWMM_RENDER_RULELIST_H