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/*
   ui/menu.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "filesystem/filesystem.h"
#include "ui/label.h"
#include "ui/button.h"
#include "ui/menu.h"
#include "ui/ui.h"

namespace ui
{

Menu::Menu(Window *parent, const char *label) : Window(parent)
{
	set_label(label);
	set_border(false);
	set_background(false);
	
	menu_background = new Bitmap(this);
	menu_container = new Container(this);

	hide();
}

Menu::~Menu()
{
	// menu_container and menu_background are deleted by Widget::~Widget()
}

void Menu::load()
{
	std::string filename("menus/");
	filename.append(label());
	
	filesystem::IniFile ini;
	
	ini.open(filename);
	
	if (!ini.is_open()) {
		con_error << "Could not open " << ini.name() << std::endl;
		return;
	}
	
	std::string strval;
	Button *button = 0;
	Label *label = 0;
	
	while (ini.getline()) {
		if (ini.got_section()) {
			if (ini.got_section("menu")) {
				continue;
			
			} else if (ini.got_section("button")) {
				button = add_button();
				
			} else if (ini.got_section("label")) {
				label = add_label();
				
			} else if (ini.got_section()) {
				ini.unknown_section();
			}
		} else if (ini.got_key()) {		
			if (ini.in_section("menu")) {
				if (ini.got_key_string("background", strval)) {
					menu_background->set_texture(strval);
				} else {
					ini.unkown_key();
				}
			} else if (ini.in_section("button")) {
				if (ini.got_key_string("text", strval)) {
					aux::strip_quotes(strval);
					button->set_text(strval);
					
				} else if (ini.got_key_string("command", strval)) {
					for (size_t i =0; i <= strval.size(); i++) {
						if (strval[i] == ',') strval[i] = ';';
					}
					aux::strip_quotes(strval);
					button->set_command(strval);
					
				} else if (ini.got_key_string("align", strval)) {
					aux::to_label(strval);
					if (strval.compare("left") == 0) {
						button->set_alignment(AlignLeft | AlignVCenter);
					} else if (strval.compare("center") == 0) {
						button->set_alignment(AlignCenter);
					} else if (strval.compare("right") == 0) {
						button->set_alignment(AlignRight | AlignVCenter);
					} else {
						ini.unknown_value();
					}
				} else {
					ini.unkown_key();
				}
			} else if (ini.in_section("label")) {
				if (ini.got_key_string("text", strval)) {
					label->set_text(strval);
				} else if (ini.got_key_string("align", strval)) {
					aux::to_label(strval);
					if (strval.compare("left") == 0) {
						label->set_alignment(AlignLeft | AlignHCenter);
					} else if (strval.compare("center") == 0) {
						label->set_alignment(AlignCenter);
					} else if (strval.compare("right") == 0) {
						label->set_alignment(AlignRight | AlignHCenter);
					} else {
						ini.unknown_value();
					}
				} else {
					ini.unkown_key();
				}
			}
			
		}
	}
	
	con_debug << "  " << ini.name() << " " << children().size() << " widgets" << std::endl;
	ini.close();
}

void Menu::set_background_texture(const char *texture)
{
	menu_background->set_texture(texture);
}

Label *Menu::add_label(char const * text)
{
	Label *label = new Label(menu_container, text);
	label->set_alignment(AlignCenter);
	label->set_border(false);
	label->set_font(ui::root()->font_large());
	return label;
}

Button *Menu::add_button(char const *text, char const *command)
{
	return new Button(menu_container, text, command);
}

void Menu::resize()
{
	set_size(parent()->size());
	menu_background->set_size(size());
	menu_container->set_location(UI::elementsize.width() * 0.25, (height() - menu_container->height()) / 2.0f);
}

}