#include "stdafx.h"

#include <SFML/Graphics.hpp>

#include <functional>

#include <iostream>

#include "UIButton.h"

#include "GameEvents.h"

#include "InputEvents.h"

#include "GameObject.h"

#include "Window.h"

#include "UIHelper.h"

using namespace std;

using namespace sf;

UIButton::UIButton(Vector2f position, Vector2f size, string string, Color color) {

//The button background

GetBody().setSize(size);

GetBody().setOrigin(GetBody().getSize() / 2.0f);

GetBody().setPosition(position);

GetBody().setFillColor(color);

//The button text

text.setPosition(GetBody().getPosition());

text.setFillColor(Color::White);

text.setCharacterSize(buttonCharacterSize);

text.setFont(GetFont());

text.setString(string);

text.setOrigin(text.getLocalBounds().left + text.getLocalBounds().width / 2.0f, text.getLocalBounds().top + text.getLocalBounds().height / 2.0f);

MouseUpEvent[Id] = [this](auto mouseButton, auto mousePosition) { OnMouseUp(mouseButton, mousePosition); };

AddDrawable(GetBody(), 1);

AddDrawable(text, 0);

}

UIButton::~UIButton() {

OnClickedEvent.clear();

MouseUpEvent.erase(Id);

RemoveDrawable(GetBody(), 1);

RemoveDrawable(text, 0);

}

//Dispatch OnClickedEvent when we are clicked

void UIButton::OnMouseUp(Mouse::Button mouseButton, Vector2i mousePosition) {

if (mouseButton != Mouse::Button::Left) { return; }

if (!GetBody().getGlobalBounds().contains((Vector2f)mousePosition)) { return; }

for (auto const& e : OnClickedEvent) {

e.second();

}

}