class PettanrBalloonRHelper
  confirm_confirm_confirm = () ->
    confirm(  )
  @WritingFormat = window.PettanrWritingFormat
  
  @speech_balloon_tag_id = (element_part) ->
    window.PettanrEditor.element_tag_id(element_part)
  
  @speech_balloon_template_id = (element_part) ->
    trace = PettanrBalloonRHelper.speech_balloon_tag_id(element_part)
    parseInt($(trace + 'speech_balloon_template_id').val())
  
  @template_class = (element_part) ->
    id = PettanrBalloonRHelper.speech_balloon_template_id(element_part)
    engine_name = window.PettanrSpeechBalloonTemplate.speech_balloon_templates[id]
    window.PettanrSpeechBalloonTemplate.scripts[engine_name]
  
  @settings = (element_part) ->
    id = PettanrBalloonRHelper.speech_balloon_template_id(element_part)
    window.PettanrSpeechBalloonTemplate.settings(id)
  
  @r_step = (element_part) ->
    settings = PettanrBalloonRHelper.settings(element_part)
    settings['speech_balloon']['r_step']
  
  @system_picture_id = (element_part, idx) ->
    settings = PettanrBalloonRHelper.settings(element_part)
    settings[idx]['balloon']['system_picture_id']
  
  # balloon r helper
  
  @balloon_next_index = (input_r, r_step, d)  ->
    v = parseInt(input_r.val()) + r_step * d
    tr = v % 360
    tr = 360 + tr if tr < 0
    offset = r_step / 2.0
    idx = Math.floor(((tr + offset) % 360) / r_step)
    if idx == 0
      ir = 0
    else
      if v < 0
        ir = Math.floor(idx * r_step) - 360
      else
        ir = Math.floor(idx * r_step)
    input_r.val(ir)
    idx
  @balloon_index = (input_r, r_step)  ->
    v = parseInt(input_r.val())
    tr = v % 360
    tr = 360 + tr if tr < 0
    offset = r_step / 2.0
    idx = Math.floor(((tr + offset) % 360) / r_step)
    idx
  @refresh_balloon = (balloon_trace, idx)  ->
    bln = $(balloon_trace)
    sp_id = PettanrBalloonRHelper.system_picture_id(bln, idx)
    fn = '/system_pictures/' + String(sp_id) + '.png'
    ofn = bln.attr('src')
    if fn == ofn
    else
      if bln.attr('src')
        bln.attr('src', fn) 
        $(balloon_trace + 'system_picture_id').val(sp_id)
  
  @add_helper = (wrapper) ->
    editor = window.PettanrEditor
    
    wrapper.map -> 
      panel = $(editor.panel_tag_id($(@)))
      if editor.is_editable(panel)
        $(@).css('display', 'block')
      else
        $(@).css('display', 'none')
    
    trace = editor.element_part_tag_id(wrapper)
    $(trace + 'r').map -> 
      panel = $(editor.panel_tag_id($(@)))
      if editor.is_editable(panel)
        $(@).spinner {
          spin: ( event, ui ) ->
            balloon_trace = editor.element_part_tag_id($(@))
            r_step = PettanrBalloonRHelper.r_step($(@))
            input_r = $(balloon_trace + 'r')
            idx = PettanrBalloonRHelper.balloon_index(input_r, r_step)
            PettanrBalloonRHelper.refresh_balloon(balloon_trace, idx)
        }
    
    $('.r-down', wrapper).map -> 
      $(@).click -> 
        wrapper = $(@).parent()
        balloon_trace = editor.element_part_tag_id($(wrapper))
        r_step = PettanrBalloonRHelper.r_step(wrapper)
        input_r = $(balloon_trace + 'r')
        idx = PettanrBalloonRHelper.balloon_next_index(input_r, r_step, -1)
        PettanrBalloonRHelper.refresh_balloon(balloon_trace, idx)
        false
    $('.r-up', wrapper).map -> 
      $(@).click -> 
        wrapper = $(@).parent()
        balloon_trace = editor.element_part_tag_id($(wrapper))
        r_step = PettanrBalloonRHelper.r_step(wrapper)
        input_r = $(balloon_trace + 'r')
        idx = PettanrBalloonRHelper.balloon_next_index(input_r, r_step, 1)
        PettanrBalloonRHelper.refresh_balloon(balloon_trace, idx)
        false
    $('.r-reset', wrapper).map -> 
      $(@).click -> 
        wrapper = $(@).parent()
        balloon_trace = editor.element_part_tag_id($(wrapper))
        input_r = $(balloon_trace + 'r')
        input_r.val(0)
        PettanrBalloonRHelper.refresh_balloon(balloon_trace, 0)
        false
    
    # sync view 
    $(trace + 'r').focusout ->
      balloon_trace = editor.element_part_tag_id($(@))
      r_step = PettanrBalloonRHelper.r_step($(@))
      input_r = $(balloon_trace + 'r')
      idx = PettanrBalloonRHelper.balloon_index(input_r, r_step)
      PettanrBalloonRHelper.refresh_balloon(balloon_trace, idx)
  
@PettanrBalloonRHelper = PettanrBalloonRHelper