class Arbre::Element
Attributes
arbre_context[R]
children[R]
parent[R]
Public Class Methods
new(arbre_context = Arbre::Context.new)
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# File lib/arbre/element.rb, line 14 def initialize(arbre_context = Arbre::Context.new) @arbre_context = arbre_context @children = ElementCollection.new @parent = nil end
Public Instance Methods
+(element)
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# File lib/arbre/element.rb, line 147 def +(element) case element when Element, ElementCollection else element = Arbre::HTML::TextNode.from_string(element) end to_ary + element end
<<(child)
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# File lib/arbre/element.rb, line 65 def <<(child) add_child(child) end
add_child(child)
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# File lib/arbre/element.rb, line 37 def add_child(child) return unless child if child.is_a?(Array) child.each{|item| add_child(item) } return @children end # If its not an element, wrap it in a TextNode unless child.is_a?(Element) child = Arbre::HTML::TextNode.from_string(child) end if child.respond_to?(:parent) # Remove the child child.parent.remove_child(child) if child.parent && child.parent != self # Set ourselves as the parent child.parent = self end @children << child end
ancestors()
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# File lib/arbre/element.rb, line 81 def ancestors if parent? [parent] + parent.ancestors else [] end end
assigns()
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# File lib/arbre/element.rb, line 20 def assigns arbre_context.assigns end
build(*args, &block)
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# File lib/arbre/element.rb, line 32 def build(*args, &block) # Render the block passing ourselves in append_return_block(block.call(self)) if block end
children?()
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# File lib/arbre/element.rb, line 69 def children? @children.any? end
content()
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# File lib/arbre/element.rb, line 119 def content children.to_s end
content=(contents)
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# File lib/arbre/element.rb, line 94 def content=(contents) clear_children! add_child(contents) end
each(&block)
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# File lib/arbre/element.rb, line 131 def each(&block) [to_s].each(&block) end
find_first_ancestor(type)
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TODO: Shouldn't grab whole tree
# File lib/arbre/element.rb, line 90 def find_first_ancestor(type) ancestors.find{|a| a.is_a?(type) } end
get_elements_by_class_name(class_name)
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# File lib/arbre/element.rb, line 109 def get_elements_by_class_name(class_name) elements = ElementCollection.new children.each do |child| elements << child if child.class_list.include?(class_name) elements.concat(child.get_elements_by_class_name(class_name)) end elements end
Also aliased as: find_by_class
get_elements_by_tag_name(tag_name)
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# File lib/arbre/element.rb, line 99 def get_elements_by_tag_name(tag_name) elements = ElementCollection.new children.each do |child| elements << child if child.tag_name == tag_name elements.concat(child.get_elements_by_tag_name(tag_name)) end elements end
Also aliased as: find_by_tag
helpers()
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# File lib/arbre/element.rb, line 24 def helpers arbre_context.helpers end
html_safe()
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# File lib/arbre/element.rb, line 123 def html_safe to_s end
indent_level()
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# File lib/arbre/element.rb, line 127 def indent_level parent? ? parent.indent_level + 1 : 0 end
inspect()
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# File lib/arbre/element.rb, line 135 def inspect to_s end
parent=(parent)
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# File lib/arbre/element.rb, line 73 def parent=(parent) @parent = parent end
parent?()
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# File lib/arbre/element.rb, line 77 def parent? !@parent.nil? end
remove_child(child)
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# File lib/arbre/element.rb, line 60 def remove_child(child) child.parent = nil if child.respond_to?(:parent=) @children.delete(child) end
tag_name()
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# File lib/arbre/element.rb, line 28 def tag_name @tag_name ||= self.class.name.demodulize.downcase end
to_ary()
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# File lib/arbre/element.rb, line 156 def to_ary ElementCollection.new [Proxy.new(self)] end
Also aliased as: to_a
to_s()
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# File lib/arbre/element.rb, line 143 def to_s content end
to_str()
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# File lib/arbre/element.rb, line 139 def to_str to_s end
Private Instance Methods
clear_children!()
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Resets the Elements children
# File lib/arbre/element.rb, line 164 def clear_children! @children.clear end
method_missing(name, *args, &block)
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Calls superclass method
# File lib/arbre/element.rb, line 176 def method_missing(name, *args, &block) if current_arbre_element.respond_to?(name) current_arbre_element.send name, *args, &block elsif assigns && assigns.has_key?(name) assigns[name] elsif helpers.respond_to?(name) helpers.send(name, *args, &block) else super end end