module Layers;

from Lecture import all;
from View import all;
export all;


object LectureLayer inherits from Lecture
	components: tex:Text and scr:Scrollable and opa:Opacity and bac:Background and acc:Access and edi:Editable and hei:Height and wid:Width and pos:Position and curlay:CurrentLayer;
	description: (*
		The main base lecture which has text that can be expanded and/or collapsed.
		*);
end LectureLayer;

object Position
	components: integer;
	description: (*
		The position of layers on the screen, i.e. top, middle, second from bottom, 		etc.
	*);
end Position;

object Layer
	components: opa:Opacity and bac:Background and acc:Access and edi:Editable and hei:Height and wid:Width and curlay:CurrentLayer and Position;
	description: (*
		The layer is an area on which text, drawings, or sticky notes may appear
		*);
end Layer;

object Access
	components: boolean;
	description: (*
		Whether the layer can be written on based on access settings.
		*);
end Access;

object Editable
	components: boolean;
	description: (*
		Whether the layer can be edited (i.e. the base lecture layer cannot).
		*);
end Editable;

object Opacity 
	components: integer;
	description: (*
		Opacity is how visible the data on the screen is.
		*);
end Opacity;

object Background 
	components: boolean;
	description: (*
		The transparency is if the background layer is visible or not.
		*);
end Background;
	
object Coordinate 
	components: XCoordinate and YCoordinate;
	description: (*
		A coordinate is a position (x, y) on the layer.
		*);
end Coordinate;

object XCoordinate
	components: integer;
	description: (*
		Used to measure the x position of an element on the layer.
		*);
end XCoordinate;

object YCoordinate
	components: integer;
	description: (*
		Used to measure the y position of an element on the layer.
		*);
end YCoordinate;

object CurrentLayer
	components: Layer;
	description: (*
		The layer that is the currently selected/highlighted layer.
		*);
end CurrentLayer;

object Color
	components: red:Red and gree:Green and blu:Blue;
	description: (*
		The numerical value for the color in RGB form.
		*);
end Color;
	
object Red
	components: integer;
	description: (*
		The red value of the color.
	*);
end Red;

object Green
	components: integer;
	description: (*
		The green value of the color.
	*);
end Green;

object Blue
	components: integer;
	description: (*
		The blue value of the color.
	*);
end Blue;

end Layers;