Class: Scarpe::Webview::DocumentRoot

Inherits:
Flow show all
Defined in:
lib/scarpe/wv/document_root.rb

Overview

A DocumentRoot is a Flow, with all the same properties and basic behavior. It also reserves space for Builtins like fonts, alerts, etc. which don't have individual Shoes::Drawable objects.

Constant Summary

Constants included from Shoes::Log

Shoes::Log::DEFAULT_COMPONENT, Shoes::Log::DEFAULT_DEBUG_LOG_CONFIG, Shoes::Log::DEFAULT_LOG_CONFIG

Instance Attribute Summary

Attributes inherited from Drawable

#children, #parent, #shoes_linkable_id

Attributes inherited from Shoes::Linkable

#linkable_id

Instance Method Summary collapse

Methods inherited from Slot

#html_attributes, #remove_event_callback, #remove_event_callbacks, #set_event_callback, #update_dom_event

Methods inherited from Drawable

#add_child, #bind, #destroy_self, display_class_for, #full_window_redraw!, #handler_js_code, #html_element, #html_id, #inspect, #needs_update!, #promise_update, #properties_changed, #remove_child, #set_parent, #shoes_styles, #to_html

Methods included from Shoes::Log

configure_logger, #log_init, logger

Methods inherited from Shoes::Linkable

#bind_shoes_event, #send_self_event, #send_shoes_event, #unsub_all_shoes_events, #unsub_shoes_event

Constructor Details

#initialize(properties) ⇒ DocumentRoot

Returns a new instance of DocumentRoot.



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# File 'lib/scarpe/wv/document_root.rb', line 8

def initialize(properties)
  super

  @fonts = []
  @alerts = []

  bind_shoes_event(event_name: "builtin") do |cmd_name, args|
    case cmd_name
    when "font"
      @fonts << args[0]
      # Can't just create font_updater and alert_updater on initialize - not everything is set up
      @font_updater ||= Scarpe::Webview::WebWrangler::ElementWrangler.new(html_id: "root-fonts")
      @font_updater.inner_html = font_contents
    when "alert"
      bind_ok_event
      @alerts << args[0]
      @alert_updater ||= Scarpe::Webview::WebWrangler::ElementWrangler.new(html_id: "root-alerts")
      @alert_updater.inner_html = alert_contents
    else
      raise Scarpe::UnknownBuiltinCommandError, "Unexpected builtin command: #{cmd_name.inspect}!"
    end
  end
end

Instance Method Details

#element(&block) ⇒ Object 



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# File 'lib/scarpe/wv/document_root.rb', line 32

def element(&block)
  contents = block ? block.call : ""
  super do
    contents + HTML.render do |h|
      h.div(id: "root-fonts") do
        font_contents
      end
      h.div(id: "root-alerts") do
        alert_contents
      end
    end
  end
end