indexing
	description: "save the state of the current puzzle to an .puz file. later, you can load this file and resume the game"
	author: "Markus Neidhart and UC Team"
	date: "$Date$"
	revision: "$Revision$"

class
	UC_SAVE_PUZZLE
inherit
	SHARED_QUAD_CUTTER

create
	make

feature -- creation

	make (a_filename: STRING; situation: PUZZLE_START_WINDOW) is
			-- make an .puz file from `a_filename'
		require
			a_filename_not_Void_and_not_empty: a_filename /= Void and then not a_filename.is_empty
			situation_not_Void: situation /= Void
		do
			if (a_filename.count < 4) or else not (a_filename.substring (a_filename.count - 3,a_filename.count).is_equal (".puz")) then
				a_filename.append (".puz")
				create file.make_open_write (a_filename) -- creates an puz file
			else
				create file.make_open_write (a_filename) -- creates an puz file
			end
			
			-- now fill the puz file
			
			save_information (a_filename,situation)
			
			-- now close the file
			
			file.close
			
		end
		
feature {NONE} -- Implementation

	save_information (name: STRING; sit: PUZZLE_START_WINDOW) is
			-- store the information in the puz file
		require
			name_not_Void_and_not_empty: name /= Void and then not name.is_empty
			sit_not_Void: sit /= Void
		do
			file.put_string (sit.image_file_name) -- write the name to the file
			file.put_new_line
			file.put_integer (sit.number_of_parts) -- write number of puzzle_parts to the file
			file.put_new_line
			
			-- now all the views of the parts will be saved

			-- first save the from_space

			file.put_string (sit.puzzle.save)
			file.put_new_line
			
			-- now save workspace1
			
			file.put_string (sit.workspace1.save)
			file.put_new_line
			
			-- now save workspace2
			
			file.put_string (sit.workspace2.save)
			file.put_new_line
			
			-- now save the to_space
			
			file.put_string (sit.to_field.save)
			file.put_new_line

		end
		
			
		

		
feature {NONE} -- Access

	file: PLAIN_TEXT_FILE



end -- class UC_SAVE_PUZZLE