Sha256: f94328b09dd3e8b58843aec8c52b11170477f6286075e548f6954e19852576ed
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Size: 1.45 KB
Versions: 21
Compression:
Stored size: 1.45 KB
Contents
# @provides MotionKit::ConstraintsTarget
module MotionKit
class ConstraintsTarget
attr :view
def initialize(view)
@view = view
@constraints = []
end
def add_constraints(constraints)
@constraints.concat(constraints)
end
def apply_all_constraints(layout, target)
@constraints.map do |mk_constraint|
mk_constraint.resolve_all(layout, target).map do |constraint|
base_view_class = MotionKit.base_view_class
if constraint.firstItem.is_a?(base_view_class) && constraint.secondItem.is_a?(base_view_class)
common_ancestor = nil
ancestors = [constraint.firstItem]
parent_view = constraint.firstItem
while parent_view = parent_view.superview
ancestors << parent_view
end
current_view = constraint.secondItem
while current_view
if ancestors.include? current_view
common_ancestor = current_view
break
end
current_view = current_view.superview
end
unless common_ancestor
raise NoCommonAncestorError.new("No common ancestors between #{constraint.firstItem} and #{constraint.secondItem}")
end
else
common_ancestor = constraint.firstItem
end
common_ancestor.addConstraint(constraint)
constraint
end
end.flatten
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems