Element.hpp

/*
 * GUIElement.hpp
 *
 *  Created on: 25.05.2017
 *      Author: jakub
 */

#ifndef SSG_GUIELEMENT_HPP_
#define SSG_GUIELEMENT_HPP_
#include <iostream>
#include <memory>
#include <vector>
#include <SFML/Graphics.hpp>
#include "ElementBase.hpp"
#include "HaveName.hpp"
#include "HaveFocus.hpp"
#include "HaveVisible.hpp"
#include "Enums.hpp"
#include "DestructionNotifier.hpp"
#include "ColorProvider.hpp"

class Element :
    public ElementBase,
    public HaveName,
    public HaveFocus,
    public HaveVisible,
    public DestructionNotifier {
public:
    Element(const Element* parent = nullptr);
    Element(const Element& element);
    Element& operator=(const Element&);

    void mainDraw(sf::RenderTarget& target, const sf::RenderStates& states = sf::RenderStates());
    void mainUpdate(sf::RenderWindow& rw);
    void setParent(const Element* parent);
    const Element* getParent() const;
    virtual void updateArea();
    virtual bool setRelativeViewport(sf::RenderTarget& target, const sf::FloatRect* area = nullptr)const;

    bool isMaximized() const;
    void setMaximized(bool maximized);
    void setMaximizationMode(MaximizationMode value);
    sf::Vector2f getPosition()const;
    sf::Vector2f getSize()const;
    virtual void setSize(sf::Vector2f);
    virtual void setPosition(sf::Vector2f);
    void move(sf::Vector2f);
    sf::FloatRect& getArea();
    const sf::FloatRect& getArea()const;
    void fitToWindow(const sf::RenderWindow& rw);
    void setArea(const sf::FloatRect& area);
    const sf::FloatRect& getRelativeArea() const;
    sf::Vector2f getRelativeViewportCenterShift() const;
    sf::Vector2f getViewportCenterShift() const;
    void setViewportCenterShift(const sf::Vector2f& value);
    sf::String getParentName()const;
    sf::String getTypeName()const;
    sf::FloatRect getClippedArea() const;

    sf::FloatRect computeRelativeArea()const;

private:
    ColorProvider colorProvider;

protected:
    const Element* parent = nullptr;
    sf::FloatRect area;
    sf::FloatRect lastArea;
    sf::FloatRect relativeParentArea;
    sf::FloatRect relativeArea;
    sf::FloatRect clippedArea;
    sf::Vector2f viewportCenterShift;
    sf::Vector2f relativeViewportCenterShift;
    MaximizationMode maximizationMode = MaximizationMode::Both;
    bool relativeParentSizeChanged = false;
    bool relativeParentWidthChanged = false;
    bool relativeParentHeightChanged = false;
    bool areaChanged = false;
    bool maximized = false;

    sf::Vector2f computeRelativeViewportCenterShift()const;
    sf::FloatRect computeClipped()const;
    sf::FloatRect clipArea(const sf::FloatRect& scissors, sf::FloatRect toCut)const;
    ColorProvider& getColorProvider();

//  static GUIElement* debugPtr;
};

std::ostream& operator<<(std::ostream& o, const sf::FloatRect& fr);
std::vector<sf::String> split(const sf::String& text, wchar_t sep);
std::basic_string<sf::Uint32> strToUtf32(std::string str);
std::basic_string<sf::Uint32> wstrToUtf32(std::wstring str);
sf::FloatRect roundRect(const sf::FloatRect& r);

typedef std::shared_ptr<Element> ElementPtr;

#endif /* SSG_GUIELEMENT_HPP_ */