TextLabel.hpp

/*
 * TextLabel.hpp
 *
 *  Created on: 30.05.2017
 *      Author: jakub
 */

#ifndef SSG_TEXTLABEL_HPP_
#define SSG_TEXTLABEL_HPP_

#include <cmath>
#include <set>
#include <vector>

#include "Element.hpp"
#include "HaveFont.hpp"
#include "HaveMargin.hpp"
#include "HaveWordWrap.hpp"
#include "HaveHover.hpp"
#include "trim.hpp"
#include "TextUpdater.hpp"

class Lang;
class Button;

class TextLabel :
    public TextLine,
    public HaveMargin {
public:
    friend Lang;
    friend FontManager;
    friend Button;
    TextLabel(const sf::String& name = sf::String(), const sf::String& text = sf::String());
    TextLabel(const sf::String& name, const sf::String& text, bool autoResize);
    TextLabel(const sf::String& name, bool autoResize);
    ~TextLabel();

    virtual void draw(sf::RenderTarget& target, sf::RenderStates states) override;
    virtual bool update(sf::Vector2f mp, bool pressLeft, bool pressRight, bool aboveHover) override;
    virtual void updateArea() override;
    virtual bool setColor(ColorId::Type colorId, StateId::Type stateId, sf::Color color) override;
    virtual bool setColorEnabled(ColorId::Type colorId, StateId::Type stateId, bool enabled) override;
    virtual void setText(const sf::String& text) override;
    virtual void fontChangeEvent() override;

    void setAlign(Align align);
    void setVAlign(VAlign valign);
    void setAutoResize(bool autoResize);
    void setAutoResizeParentLimit(bool value);
    bool autoResizeUpdate();
    void updateLines();
    void setMinimumVisibleLines(size_t value);
    void revalidateTextAlign();
    void setLinePrefix(const sf::String& value);
    sf::String getLinePrefix() const;

protected:
    std::vector<TextLine> parseLines(const sf::String& lines);

    void lineToDefault(TextLine& line);
    void lazyRevalidateTextAlign();

    TextUpdater textUpdater;
    Align align = Align::Left;
    VAlign valign = VAlign::Top;
    sf::String linePrefix;
    std::vector<TextLine> lines;
    std::vector<TextLine> wrapped;
    float lastAreaHeight = 0.f;
    float lastAreaWidth = 0.f;
    bool dirtyFlag = false;

    static std::map<std::wstring, std::function<void(TextLine&, const std::wstring& value)> > parseFunctions;
    static void updateAllLines();
    static std::set<TextLabel*> textLabelSet;

private:
    static void initParseFunctions();
    static bool parseColor(const std::wstring& value, sf::Color& color);
    void setDirty();
};

typedef std::shared_ptr<TextLabel> TextLabelPtr;

#endif /* SSG_TEXTLABEL_HPP_ */