Class: Hokusai::Mounting::UpdateEntry

Inherits:
Object
  • Object
show all
Defined in:
ui/src/hokusai/mounting/update_entry.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(block, parent, target) ⇒ UpdateEntry

Returns a new instance of UpdateEntry.



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# File 'ui/src/hokusai/mounting/update_entry.rb', line 6

def initialize(block, parent, target)
  @block = block
  @parent = parent
  @target = target
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'ui/src/hokusai/mounting/update_entry.rb', line 4

def block
  @block
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'ui/src/hokusai/mounting/update_entry.rb', line 4

def parent
  @parent
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'ui/src/hokusai/mounting/update_entry.rb', line 4

def target
  @target
end

Instance Method Details

#meta ⇒ Object 



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# File 'ui/src/hokusai/mounting/update_entry.rb', line 12

def meta
  block.node.meta
end

#register(context: nil) ⇒ Object 



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# File 'ui/src/hokusai/mounting/update_entry.rb', line 16

def register(context: nil)
  meta.on_update(target) do |ublock, uparent, utarget|
    if portal = ublock.node.portal
      portal.ast.children.each_with_index do |child, index|
        next unless child.has_if_condition?

        child_present = ->(child) do
          meta.has_ast?(child, index)
        end 

        if child.if.args.size > 0
          visible = utarget.public_send(child.if.method, context: context)
        else
          visible = utarget.public_send(child.if.method)
        end
        child_block_klass = target.class.use(child.type)

        if !!visible
          if child.else_condition_active?
            meta.child_delete(index) if child_present.call(child)
            child.else_active = 0
          end

          unless child_present.call(child)
            portal = Node.new(child, Node.new(child))
            node = child_block_klass.compile("root", portal)

            stack = []
            child.children.each_with_index do |ast, ast_index|
              stack << MountEntry.new(ast_index, ast, ublock, uparent, utarget)
            end

            child_block = NodeMounter.new(node, child_block_klass, [stack]).mount(context: context)
            UpdateEntry.new(child_block, block, target).register(context: context)

            child_block.node.add_styles(target.class)
            child_block.node.add_props_from_block(target, context: context)
            child_block.node.meta.publisher.add(target)

            meta.children!.insert(index, child_block)

            child_block.public_send(:before_updated) if child_block.respond_to?(:before_updated)
            child_block.update
            child.else_active = 0
          end
        elsif !visible
          if !child.has_else_condition? || (child.has_else_condition? && !child.else_condition_active?)
            if (child_present.call(child))
              meta.child_delete(index)
            end
          end

          if child.has_else_condition? && !child.else_condition_active?
            portal = Node.new(child, Node.new(child))
            else_child_block_klass = target.class.use(child.else_ast.type)
            node = else_child_block_klass.compile(child.else_ast.type, portal)

            stack = []
            child.else_ast.children.each_with_index do |ast, ast_index|
              stack << MountEntry.new(ast_index, ast, ublock, uparent, utarget)
            end

            child_block = NodeMounter.new(node, else_child_block_klass, [stack]).mount(context: context)
            UpdateEntry.new(child_block, block, utarget).register(context: context)
            
            child_block.node.add_styles(utarget.class)
            child_block.node.add_props_from_block(utarget, context: context)
            child_block.node.meta.publisher.add(utarget)
            meta.children!.insert(index, child_block)

            child_block.public_send(:before_updated) if child_block.respond_to?(:before_updated)
            child_block.update
            child.else_active = 1
          end
        end
      end
    end

    ublock.public_send(:before_updated) if ublock.respond_to?(:before_updated)
    ublock.node.add_props_from_block(utarget, context: context)
    ublock.public_send(:after_updated) if ublock.respond_to?(:after_updated)
  end
end