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

#include "ui/ui.h"
#include "ui/button.h"
#include "ui/paint.h"
#include "client/buymenu.h"
#include "core/info.h"
#include "core/application.h"

namespace client
{

BuyMenu::BuyMenu(ui::Widget *parent, const char * label) : ui::Widget(parent)
{
	set_border(false);
	set_background(false);

	if (label)
		set_label(label);
	else
		set_label("buymenu");

	
	menu_buywindow = new ui::Window(this);
	menu_buywindow->set_label("buywindow");
	menu_buywindow->set_background(true);
	menu_buywindow->set_border(true);

	menu_modelview = new ui::ModelView(menu_buywindow);
	menu_modelview->set_label("modelview");
	menu_modelview->set_background(false);
	menu_modelview->set_border(false);

	menu_namelabel = new ui::Label(menu_buywindow);
	menu_namelabel->set_label("label");
	menu_namelabel->set_background(false);
	menu_namelabel->set_border(false);
	menu_namelabel->set_font(ui::root()->font_large());
	menu_namelabel->set_alignment(ui::AlignCenter);
	
	menu_msgtext = new ui::Label(menu_buywindow);
	menu_msgtext->set_label("label");
	menu_msgtext->set_background(false);
	menu_msgtext->set_border(false);
	menu_msgtext->set_alignment(ui::AlignCenter);

	menu_pricetext = new ui::PlainText(menu_buywindow);
	menu_pricetext->set_label("pricetext");
	menu_pricetext->set_background(false);
	menu_pricetext->set_border(false);
	menu_pricetext->set_font(ui::root()->font_small());

	menu_scrollpane = new ui::ScrollPane(menu_buywindow, menu_infotext);
	menu_scrollpane->set_background(false);
	menu_scrollpane->set_border(false);
	menu_scrollpane->set_alignment(ui::AlignTop);

	menu_closebutton = new ui::Button(menu_buywindow, "Return", "view hide");
	menu_buybutton = new ui::Button(menu_buywindow, "Buy");

	menu_infotimestamp = 0;
	menu_inforecord = 0;

	hide();
}

BuyMenu::~BuyMenu()
{

}

void BuyMenu::set_item(core::Info *info)
{
	menu_infotext.clear();
	menu_namelabel->set_text(0);
	menu_modelview->set_modelname(0);
	menu_buybutton->hide();
	menu_modelview->hide();
	menu_msgtext->hide();

	// if the information timestamp is 0, the info is available
	menu_inforecord = info;	
	
	if (!menu_inforecord) {
		menu_buybutton->hide();
		menu_modelview->hide();
		
		menu_infotext.push_back("Information is not available");
		menu_infotimestamp = 0;
	} else {
		for (core::Info::Text::const_iterator it = menu_inforecord->text().begin(); it != menu_inforecord->text().end(); it++) {
			menu_infotext.push_back((*it));
		}	
		
		if (menu_inforecord->type() && menu_inforecord->label().size()) {
			menu_namelabel->set_text(menu_inforecord->name());
			menu_modelview->set_modelname(menu_inforecord->modelname());
			menu_modelview->set_colors(core::localplayer()->color(), core::localplayer()->color_second());

			menu_buybutton->set_command("remote buy " + menu_inforecord->type()->label() + ' ' + menu_inforecord->label() + "; view hide");
			menu_buybutton->set_label("buy " + menu_inforecord->type()->label() + ' ' + menu_inforecord->label());
			
			menu_modelview->show();
						
			if (core::localplayer()->credits() < menu_inforecord->price()) {
				menu_msgtext->set_text("^1Not enough credits");
				menu_msgtext->show();
			} else {
				menu_buybutton->show();
			}
		}
		
		menu_infotimestamp = menu_inforecord->timestamp();
	}
}

void BuyMenu::resize()
{
	const float smallmargin = ui::UI::elementsize.height();
	const float fontmargin = menu_namelabel->font()->height();

	// this menu takes the entire screen
	set_size(parent()->size());
	
	// resize the subwindow
	menu_buywindow->set_size(width() - smallmargin * 2.0f, height()- smallmargin * 4.0f);
	menu_buywindow->set_location(smallmargin, smallmargin * 2.0f);

	// resize label
	menu_namelabel->set_size(menu_buywindow->width() - fontmargin * 2.0f, menu_namelabel->font()->height());	
	menu_namelabel->set_location(fontmargin, fontmargin);

	// resize model view	
	menu_modelview->set_size(ui::UI::elementsize.width() * 1.5f,  menu_buywindow->height() - smallmargin * 2.0f - fontmargin * 3.0f);
	menu_modelview->set_location(fontmargin, fontmargin * 3.0f);
	
	menu_msgtext->set_size(menu_modelview->width(), fontmargin);
	menu_msgtext->set_location(menu_modelview->left(), menu_modelview->top());
	
	menu_pricetext->set_size(menu_modelview->width(), fontmargin * 2.0f);
	menu_pricetext->set_location(menu_modelview->left(), menu_modelview->bottom() - menu_pricetext->height());

	// resize infotext pane
	menu_scrollpane->set_size(menu_buywindow->width() - ui::UI::elementsize.width() * 1.5f - fontmargin * 3.0f, 
				  menu_buywindow->height() - smallmargin * 2.0f - fontmargin * 3.0f);
	menu_scrollpane->set_location(ui::UI::elementsize.width() * 1.5f + fontmargin * 2.0f, fontmargin * 3.0f);
	
	// resize buttons
	menu_buybutton->set_size(ui::UI::elementsize);	
	menu_buybutton->set_location(menu_buywindow->width() * 0.5f - ui::UI::elementsize.width() - smallmargin * 2.0f, menu_buywindow->height() - smallmargin * 1.5f);
	
	menu_closebutton->set_size(ui::UI::elementsize);
	menu_closebutton->set_location(menu_buywindow->width() * 0.5f + smallmargin * 2.0f, menu_buywindow->height() - smallmargin * 1.5f);
}

void BuyMenu::draw()
{
	// update content if necessary
	if (menu_inforecord && (menu_infotimestamp != menu_inforecord->timestamp()))
		set_item(menu_inforecord);
	
	if (menu_inforecord) {
		std::stringstream creditstr;
		creditstr << core::localplayer()->credits();
	
		std::stringstream pricestr;
		pricestr << menu_inforecord->price();
	
		std::stringstream str;
		str << "    Price:   " << aux::pad_left(pricestr.str(),12);
		str << '\n';
		str << "    Credits: " << aux::pad_left(creditstr.str(),12);
		
		menu_pricetext->set_text(str.str());
	} else {
		menu_pricetext->clear();
	}
}

bool BuyMenu::on_keypress(const int key, const unsigned int modifier)
{
	switch (key) {

		case SDLK_ESCAPE:
			this->hide();
			return true;
			break;
		default:
			break;
	}

	return Widget::on_keypress(key, modifier);
}

}