Sha256: 427eb9ef8d0bd3152dd2fcca8b8f89796029516e5bc33127c3834af69f309135
Contents?: true
Size: 1.74 KB
Versions: 6
Compression:
Stored size: 1.74 KB
Contents
module Vedeu
# Provides the mechanism to arbitrarily move a cursor to a given position.
#
class Reposition
# @return [Vedeu::Cursor]
# @see Vedeu::Reposition.new
def self.to(entity, name, y, x)
new(entity, name, y, x).to
end
# Returns a new instance of Vedeu::Reposition.
#
# @param entity [void]
# @param name [String]
# @param y [Fixnum] The row/line position.
# @param x [Fixnum] The column/character position.
# @return [Vedeu::Reposition]
def initialize(entity, name, y, x)
@entity = entity
@name = name
@y = y
@x = x
end
# @return [Vedeu::Cursor]
def to
build_entity!
Vedeu.trigger(:_clear_, name)
Vedeu.trigger(:_refresh_, name)
Vedeu.trigger(:_refresh_cursor_, name)
new_entity
end
protected
# @!attribute [r] entity
# @return [String]
attr_reader :entity
# @!attribute [r] name
# @return [String]
attr_reader :name
# @!attribute [r] x
# @return [Fixnum]
attr_reader :x
# @!attribute [r] y
# @return [Fixnum]
attr_reader :y
private
# Build a new instance of the entity that is being repositioned and replace
# existing stored version.
#
# @return [Vedeu::Cursor|Vedeu::Geometry]
def build_entity!
@_entity ||= entity.new(name: name,
y: coordinate.y_position,
x: coordinate.x_position,
oy: y,
ox: x).store
end
alias_method :new_entity, :build_entity!
# @return [Vedeu::Coordinate]
def coordinate
@coordinate ||= Vedeu::Coordinate.new(name, y, x)
end
end # Reposition
end # Vedeu
Version data entries
6 entries across 6 versions & 1 rubygems