Class: Ziya::Gauges::Support::RadialNumbers

Inherits:
RadialBase show all
Defined in:
lib/ziya/gauges/support/radial_numbers.rb

Instance Method Summary collapse

Methods inherited from Base

#to_comp_yaml

Methods included from Helpers::BaseHelper

#chart, #chart_url, #clazz, #component, #dial, #dials, #drawing, #gauge, #indent

Methods included from Utils::Text

#camelize, #classify, #demodulize, #underscore

Methods included from Helper

#block_is_within_action_view?, #capture_block, #chart_path, #charts_swf, #class_id, #codebase, #composite_url, #content_tag, #content_tag_string, #escape_chars, #escape_once, #escape_url, #gauge_path, #gauges_swf, #gen_composite_path, #gen_swf_path, #generate_flash_tag, #generate_old_style_flash_tag, #mime, #plugin_url, #setup_movie_size, #setup_wmode, #tag, #tag_options, #ziya_chart, #ziya_chart_js, #ziya_gauge, #ziya_javascript_include_tag

Methods inherited from Components::Base

#==, attributes, #attributes_for, #configured?, has_attribute, #has_sub_components, #initialize, #merge, #options, #options_as_string

Constructor Details

This class inherits a constructor from Ziya::Components::Base

Instance Method Details

#flatten(xml) ⇒ Object

overrides flatten to generate a series of radial tick marksß



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# File 'lib/ziya/gauges/support/radial_numbers.rb', line 16

def flatten( xml )
  number = start_num
  i      = start_angle
  while( i <= end_angle ) do
    angle = deg2rad( i )
    hash = { :x         => (x + Math::sin( angle ) * radius).to_i,
             :y         => (y - Math::cos( angle ) * radius).to_i,
             :width     => width ||  20,
             :height    => height || 20,
             :font      => font || "Arial",
             :size      => size || 10,
             :bold      => bold || true,
             :alpha     => alpha,                 
             :rotation  => i, 
             :align     => align || "left",
             :color     => color }
    xml.text( hash ) do
      xml.text! number.to_s
    end
    i      += (end_angle-start_angle)/(ticks-1)
    number += (end_num-start_num)/(ticks-1)
  end
end