ES-DE/src/ThemeData.h
2014-01-24 16:21:10 -06:00

147 lines
3.3 KiB
C++

#pragma once
#include <iostream>
#include <sstream>
#include <memory>
#include <map>
#include <deque>
#include <string>
#include <boost/filesystem.hpp>
#include <boost/variant.hpp>
#include <Eigen/Dense>
#include "pugiXML/pugixml.hpp"
#include "GuiComponent.h"
template<typename T>
class TextListComponent;
class Sound;
class ImageComponent;
class NinePatchComponent;
class TextComponent;
class Window;
namespace ThemeFlags
{
enum PropertyFlags : unsigned int
{
PATH = 1,
POSITION = 2,
SIZE = 4,
ORIGIN = 8,
COLOR = 16,
FONT_PATH = 32,
FONT_SIZE = 64,
SOUND = 128,
ALIGNMENT = 256,
TEXT = 512,
ALL = 0xFFFFFFFF
};
}
class ThemeException : public std::exception
{
public:
std::string msg;
virtual const char* what() const throw() { return msg.c_str(); }
template<typename T>
friend ThemeException& operator<<(ThemeException& e, T msg);
inline void setFiles(const std::deque<boost::filesystem::path>& deque)
{
*this << "from theme \"" << deque.front().string() << "\"\n";
for(auto it = deque.begin() + 1; it != deque.end(); it++)
*this << " (from included file \"" << (*it).string() << "\")\n";
*this << " ";
}
};
template<typename T>
ThemeException& operator<<(ThemeException& e, T appendMsg)
{
std::stringstream ss;
ss << e.msg << appendMsg;
e.msg = ss.str();
return e;
}
class ThemeExtras : public GuiComponent
{
public:
ThemeExtras(Window* window) : GuiComponent(window) {};
virtual ~ThemeExtras();
// will take ownership of the components within extras (delete them in destructor or when setExtras is called again)
void setExtras(const std::vector<GuiComponent*>& extras);
private:
std::vector<GuiComponent*> mExtras;
};
class ThemeData
{
public:
class ThemeElement
{
public:
bool extra;
std::string type;
std::map< std::string, boost::variant<Eigen::Vector2f, std::string, unsigned int, float, bool> > properties;
template<typename T>
T get(const std::string& prop) const { return boost::get<T>(properties.at(prop)); }
inline bool has(const std::string& prop) const { return (properties.find(prop) != properties.end()); }
};
private:
class ThemeView
{
public:
std::map<std::string, ThemeElement> elements;
std::vector<std::string> orderedKeys;
};
public:
ThemeData();
// throws ThemeException
void loadFile(const std::string& path);
enum ElementPropertyType
{
NORMALIZED_PAIR,
PATH,
STRING,
COLOR,
FLOAT,
BOOLEAN
};
// If expectedType is an empty string, will do no type checking.
const ThemeElement* getElement(const std::string& view, const std::string& element, const std::string& expectedType) const;
static std::vector<GuiComponent*> makeExtras(const std::shared_ptr<ThemeData>& theme, const std::string& view, Window* window);
static const std::shared_ptr<ThemeData>& getDefault();
private:
static std::map< std::string, std::map<std::string, ElementPropertyType> > sElementMap;
std::deque<boost::filesystem::path> mPaths;
float mVersion;
void parseIncludes(const pugi::xml_node& themeRoot);
void parseViews(const pugi::xml_node& themeRoot);
void parseView(const pugi::xml_node& viewNode, ThemeView& view);
void parseElement(const pugi::xml_node& elementNode, const std::map<std::string, ElementPropertyType>& typeMap, ThemeElement& element);
std::map<std::string, ThemeView> mViews;
};