/* Copyright (C) 2004 Bart
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
#include "../include/Dialog_Partition_Info.h"

namespace GParted
{

Dialog_Partition_Info::Dialog_Partition_Info( const Partition & partition )
{
	this ->partition = partition ;

	this ->set_resizable( false ) ;
	this ->set_has_separator( false ) ;
	
	/*TO TRANSLATORS: dialogtitle, looks like Information about /dev/hda3 */
	this ->set_title( String::ucompose( _( "Information about %1"), partition .partition ) );
	 
	init_drawingarea( ) ;
	
	//add label for detail and fill with relevant info
	Display_Info( ) ;
	
	//display error (if any)
	if ( partition .error != "" )
	{
		frame = manage( new Gtk::Frame( ) );
		frame ->set_border_width( 10 );
		
		image = manage( new Gtk::Image( Gtk::Stock::DIALOG_WARNING, Gtk::ICON_SIZE_BUTTON ) );
				
		hbox = manage( new Gtk::HBox( ) );
		hbox ->pack_start( *image, Gtk::PACK_SHRINK ) ;
		hbox ->pack_start( * Utils::mk_label( "<b> " + (Glib::ustring) _( "Warning:" ) + " </b>" ), Gtk::PACK_SHRINK ) ;
		
		frame ->set_label_widget( *hbox ) ;
		frame ->add( * Utils::mk_label( "<i>" +  partition.error + "</i>", true, true, true ) ) ;
		
		this ->get_vbox() ->pack_start( *frame, Gtk::PACK_SHRINK ) ;
	}
		
	this ->add_button( Gtk::Stock::CLOSE, Gtk::RESPONSE_OK ) ;
	this ->show_all_children( ) ;
}

void Dialog_Partition_Info::drawingarea_on_realize( )
{
	gc = Gdk::GC::create( drawingarea .get_window( ) ) ;
	
	drawingarea .get_window( ) ->set_background( color_partition ) ;
}

bool Dialog_Partition_Info::drawingarea_on_expose( GdkEventExpose *ev )
{
	if ( partition .type != GParted::TYPE_UNALLOCATED ) 
	{
		//used
		gc ->set_foreground( color_used );
		drawingarea .get_window() ->draw_rectangle( gc, true, BORDER, BORDER, used, 44 ) ;
		
		//unused
		gc ->set_foreground( color_unused );
		drawingarea .get_window() ->draw_rectangle( gc, true, BORDER + used, BORDER, unused, 44 ) ;
	}
	
	//text
	gc ->set_foreground( color_text );
	drawingarea .get_window() ->draw_layout( gc, 180, BORDER + 6, pango_layout ) ;
	
	return true;
}

void Dialog_Partition_Info::init_drawingarea( ) 
{
	drawingarea .set_size_request( 400, 60 ) ;
	drawingarea .signal_realize( ).connect( sigc::mem_fun(*this, &Dialog_Partition_Info::drawingarea_on_realize) ) ;
	drawingarea .signal_expose_event( ).connect( sigc::mem_fun(*this, &Dialog_Partition_Info::drawingarea_on_expose) ) ;
	
	frame = manage( new Gtk::Frame( ) ) ;
	frame ->add( drawingarea ) ;
	
	frame ->set_shadow_type( Gtk::SHADOW_ETCHED_OUT ) ;
	frame ->set_border_width( 10 ) ;
	hbox = manage( new Gtk::HBox( ) ) ;
	hbox ->pack_start( *frame, Gtk::PACK_EXPAND_PADDING ) ;
	
	this ->get_vbox( ) ->pack_start( *hbox, Gtk::PACK_SHRINK ) ;
	
	//calculate proportional width of used and unused
	used = unused = 0 ;
	used = Utils::Round( (400 - BORDER *2) / ( static_cast<double>(partition .sector_end - partition .sector_start) / partition .sectors_used ) ) ;
	unused = 400 - used - BORDER *2 ;
	
	//allocate some colors
	color_used.set( "#F8F8BA" );
	this ->get_colormap() ->alloc_color( color_used ) ;
	
	color_unused .set( partition .type == GParted::TYPE_EXTENDED ? "darkgrey" : "white" ) ;
	this ->get_colormap() ->alloc_color( color_unused ) ;

	color_text .set( "black" );
	this ->get_colormap() ->alloc_color( color_text ) ;
	
	color_partition = partition .color ;
	this ->get_colormap() ->alloc_color( color_partition ) ;	 
	
	//set text of pangolayout
	pango_layout = drawingarea .create_pango_layout( 
		partition .partition + "\n" + Utils::format_size( partition .get_length() ) ) ;
}

void Dialog_Partition_Info::Display_Info( )
{  
	int top =0, bottom = 1;
	
	table = manage( new Gtk::Table( ) ) ;
	table ->set_border_width( 5 ) ;
	table ->set_col_spacings(10 ) ;
	this ->get_vbox( ) ->pack_start( *table, Gtk::PACK_SHRINK ) ;
	
	//filesystem
	table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Filesystem:" ) + "</b>" ) , 0, 1, top, bottom, Gtk::FILL );
	table ->attach( * Utils::mk_label( Utils::Get_Filesystem_String( partition .filesystem ) ), 1, 2, top++, bottom++, Gtk::FILL );
	
	//size
	table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Size:" ) + "</b>" ), 0,1,top, bottom,Gtk::FILL);
	table ->attach( * Utils::mk_label( Utils::format_size( this ->partition .get_length() ) ), 1, 2, top++, bottom++,Gtk::FILL );
	
	if ( partition.sectors_used != -1 )
	{
		//calculate relative diskusage
		int percent_used = 
			Utils::Round( static_cast<double>(partition .Get_Used_MB() ) / partition .Get_Length_MB() *100 ) ;
						
		//used
		table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Used:" ) + "</b>" ), 0, 1, top, bottom, Gtk::FILL ) ;
		table ->attach( * Utils::mk_label( Utils::format_size( this ->partition .sectors_used ) ), 1, 2, top, bottom, Gtk::FILL ) ;
		table ->attach( * Utils::mk_label( "\t\t\t( " + Utils::num_to_str( percent_used ) + "% )"), 1, 2, top++, bottom++, Gtk::FILL ) ; 
		
		//unused
		table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Unused:" ) + "</b>" ), 0,1, top, bottom,Gtk::FILL);
		table ->attach( * Utils::mk_label( Utils::format_size( this ->partition .sectors_unused ) ), 1, 2, top, bottom, Gtk::FILL ) ;
		table ->attach( * Utils::mk_label( "\t\t\t( " + Utils::num_to_str( 100 - percent_used ) + "% )"), 1, 2, top++, bottom++, Gtk::FILL ) ; 
	}
	
	//flags
	if ( partition.type != GParted::TYPE_UNALLOCATED )
	{
		table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Flags:" ) + "</b>" ), 0, 1, top, bottom, Gtk::FILL ) ;
		table ->attach( * Utils::mk_label( partition .flags ), 1, 2, top++, bottom++, Gtk::FILL ) ;
	}
	
	//one blank line
	table ->attach( * Utils::mk_label( "" ), 1, 2, top++, bottom++, Gtk::FILL ) ;
	
	if ( partition .type != GParted::TYPE_UNALLOCATED && partition .status != GParted::STAT_NEW )
	{
		//path
		table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Path:" ) + "</b>" ), 0, 1, top, bottom, Gtk::FILL ) ;
		table ->attach( * Utils::mk_label( partition .partition ), 1, 2, top++, bottom++, Gtk::FILL ) ;
		
		//only show realpath if it's diffent from the short path...
		if ( partition .partition != partition .realpath )
		{
			table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Real Path:" ) + "</b>" ), 0, 1, top, bottom, Gtk::FILL ) ;
			table ->attach( * Utils::mk_label( partition .realpath ), 1, 2, top++, bottom++, Gtk::FILL ) ;
		}
		
		//status
		Glib::ustring str_temp ;
		table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Status:" ) + "</b>" ), 0,1, top, bottom, Gtk::FILL) ;
		if ( partition.busy )
		{
			if ( partition .type == GParted::TYPE_EXTENDED )
				str_temp =  _("Busy  (At least one logical partition is mounted)" ) ;
			else if ( partition .filesystem == FS_LINUX_SWAP )
				str_temp = _("Active") ;
			else if ( ! partition .mountpoint .empty() )
				str_temp = String::ucompose( _("Mounted on %1"), partition .mountpoint ) ;
			else 
				str_temp = _("Unable to find mountpoint") ;
		}
		else if ( partition.type == GParted::TYPE_EXTENDED )
			str_temp = _("Not busy (There are no mounted logical partitions)" ) ;
		else if ( partition.filesystem == GParted::FS_LINUX_SWAP )
			str_temp = _("Not active" ) ;
		else 
			str_temp = _("Not mounted" ) ;
		
		table ->attach( * Utils::mk_label( str_temp ), 1, 2, top++, bottom++, Gtk::FILL ) ;
	}
	
	//one blank line
	table ->attach( * Utils::mk_label( "" ), 1, 2, top++, bottom++, Gtk::FILL ) ;
	
	//first sector
	table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "First Sector:" ) + "</b>" ), 0, 1, top, bottom, Gtk::FILL ) ;
	table ->attach( * Utils::mk_label( Utils::num_to_str( partition.sector_start ) ), 1,2, top++, bottom++,Gtk::FILL);
	
	//last sector
	table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Last Sector:" ) + "</b>" ), 0, 1, top, bottom, Gtk::FILL ) ;
	table ->attach( * Utils::mk_label( Utils::num_to_str( partition.sector_end )  ), 1, 2, top++, bottom++, Gtk::FILL ) ; 
	
	//total sectors
	table ->attach( * Utils::mk_label( "<b>" + (Glib::ustring) _( "Total Sectors:" ) + "</b>" ), 0, 1, top, bottom, Gtk::FILL ) ;
	table ->attach( * Utils::mk_label( Utils::num_to_str( partition .sector_end - partition .sector_start ) ), 1, 2, top++, bottom++, Gtk::FILL ) ;
}

Dialog_Partition_Info::~Dialog_Partition_Info( )
{
	this ->get_colormap( ) ->free_colors( color_used, 1 ) ;
	this ->get_colormap( ) ->free_colors( color_unused, 1 ) ;
	this ->get_colormap( ) ->free_colors( color_text, 1 ) ;
	this ->get_colormap( ) ->free_colors( color_partition, 1 ) ;
}

} //GParted