84 lines
1.9 KiB
Ruby
84 lines
1.9 KiB
Ruby
#
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# Wrapper around Array so that the casted_by attribute is set in all
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# elements of the array.
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#
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module CouchRest::Model
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class CastedArray < Array
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include CouchRest::Model::CastedBy
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include CouchRest::Model::Dirty
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attr_accessor :casted_by_property
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def initialize(array, property, parent = nil)
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self.casted_by_property = property
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self.casted_by = parent unless parent.nil?
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super(array)
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end
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# Adding new entries
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def << obj
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super(instantiate_and_cast(obj))
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end
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def push(obj)
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super(instantiate_and_cast(obj))
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end
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def unshift(obj)
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super(instantiate_and_cast(obj))
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end
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def []= index, obj
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value = instantiate_and_cast(obj, false)
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couchrest_parent_will_change! if use_dirty? && value != self[index]
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super(index, value)
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end
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def pop
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couchrest_parent_will_change! if use_dirty? && self.length > 0
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super
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end
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def shift
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couchrest_parent_will_change! if use_dirty? && self.length > 0
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super
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end
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def clear
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couchrest_parent_will_change! if use_dirty? && self.length > 0
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super
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end
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def delete(obj)
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couchrest_parent_will_change! if use_dirty? && self.length > 0
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super(obj)
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end
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def delete_at(index)
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couchrest_parent_will_change! if use_dirty? && self.length > 0
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super(index)
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end
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def build(*args)
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obj = casted_by_property.build(*args)
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self.push(obj)
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obj
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end
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protected
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def instantiate_and_cast(obj, change = true)
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property = casted_by_property
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couchrest_parent_will_change! if change && use_dirty?
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if casted_by && property && obj.class != property.type_class
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property.cast_value(casted_by, obj)
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else
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obj.casted_by = casted_by if obj.respond_to?(:casted_by)
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obj.casted_by_property = casted_by_property if obj.respond_to?(:casted_by_property)
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obj
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end
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end
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end
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end
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