Module: Pageflow::PagesHelper

Defined in:
app/helpers/pageflow/pages_helper.rb

Constant Summary collapse

CSS_RENDERED_THUMBNAIL_STYLES = 
[:link_thumbnail, :link_thumbnail_large]

Instance Method Summary collapse

Instance Method Details

#lookup_video_tag(video_id, poster_image_id, options = {}) ⇒ Object 



82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
# File 'app/helpers/pageflow/pages_helper.rb', line 82

def lookup_video_tag(video_id, poster_image_id, options = {})

  defaults = {:class => ['player video-js video-viewport vjs-default-skin', options.delete(:class)].compact * ' ',
    :preload =>  options.delete(:preload) ? 'metadata' : 'none'}

  options.reverse_merge! defaults
  url_options = {:unique_id => options.delete(:unique_id)}

  video_file = VideoFile.find_by_id(video_id)
  poster = ImageFile.find_by_id(poster_image_id)
  mobile_poster = ImageFile.find_by_id(options.delete(:mobile_poster_image_id))

  options[:data] = {}
  script_tag_data = {:template => 'video'}

  if mobile_poster
    options[:data][:mobile_poster] = mobile_poster.attachment.url(:medium)
    options[:data][:mobile_large_poster] = mobile_poster.attachment.url(:large)
  end

  if poster
    options[:data][:poster] = poster.attachment.url(:medium)
    options[:data][:large_poster] = poster.attachment.url(:large)
  elsif video_file
    options[:data][:poster] = video_file.poster.url(:medium)
    options[:data][:large_poster] = video_file.poster.url(:large)
  end

  if video_file && video_file.width.present? && video_file.height.present?
    script_tag_data[:video_width] = options[:data][:width] = video_file.width
    script_tag_data[:video_height] = options[:data][:height] = video_file.height
  end

  render('pageflow/pages/video_tag',
         :video_file => video_file, :script_tag_data => script_tag_data,
         :options => options, :url_options => url_options)
end

#mobile_poster_image_div(config = {}) ⇒ Object 



43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
 
# File 'app/helpers/pageflow/pages_helper.rb', line 43

def mobile_poster_image_div(config = {})
  classes = ['background', 'background_image']
  position = {x: 50, y: 50}

  if config['mobile_poster_image_id']
    classes << "image_#{config['mobile_poster_image_id']}"
    position[:x] = config['mobile_poster_image_x'] || 50
    position[:y] = config['mobile_poster_image_y'] || 50
  elsif config['poster_image_id']
    classes << "image_#{config['poster_image_id']}"
    position[:x] = config['poster_image_x'] || 50
    position[:y] = config['poster_image_y'] || 50
  elsif config['video_file_id']
    classes << "video_poster_#{config['video_file_id']}"
    position[:x] = config['video_file_x'] || 50
    position[:y] = config['video_file_y'] || 50
  else
    classes << 'video_poster_none'
  end

  content_tag(:div, '', :class => classes.join(' '),
              :style => "background-position: #{position[:x]}% #{position[:y]}%;")
end

#page_css_class(page) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
 
# File 'app/helpers/pageflow/pages_helper.rb', line 3

def page_css_class(page)
  classes = ['page']
  classes << 'invert' if page.configuration['invert']
  classes << 'hide_title' if page.configuration['hide_title']
  classes << "text_position_#{page.configuration['text_position']}" if page.configuration['text_position'].present?
  classes << "scroll_indicator_mode_#{page.configuration['scroll_indicator_mode']}" if page.configuration['scroll_indicator_mode'].present?
  classes << "scroll_indicator_orientation_#{page.configuration['scroll_indicator_orientation']}" if page.configuration['scroll_indicator_orientation'].present?
  classes << "delayed_text_fade_in_#{page.configuration['delayed_text_fade_in']}" if page.configuration['delayed_text_fade_in'].present?
  classes << 'chapter_beginning' if page.position == 0
  classes << 'no_text_content' if !page_has_content(page)
  classes.join(' ')
end

#page_has_content(page) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



17
18
19
20
21
22
23
24
25
 
# File 'app/helpers/pageflow/pages_helper.rb', line 17

def page_has_content(page)
  has_title = ['title','subtitle','tagline'].any? do |attribute|
    page.configuration[attribute].present?
  end

  has_text = strip_tags(page.configuration['text']).present?

  (has_title && !page.configuration['hide_title']) || has_text
end

#page_media_breakpoints ⇒ Object 



138
139
140
141
142
143
 
# File 'app/helpers/pageflow/pages_helper.rb', line 138

def page_media_breakpoints
  {
    :large => :default,
    :medium => 'max-width: 900px'
  }
end

#page_navigation_css_class(page) ⇒ Object 



27
28
29
30
31
32
33
34
 
# File 'app/helpers/pageflow/pages_helper.rb', line 27

def page_navigation_css_class(page)
  classes = [page.template]
  classes << 'chapter_beginning' if page.position == 0
  classes << 'emphasized' if page.configuration['emphasize_in_navigation']
  classes << "chapter_#{page.chapter.position}"
  page.chapter.position % 2 == 0 ? classes << 'chapter_even' : classes << 'chapter_odd'
  classes.join(' ')
end

#page_thumbnail_image_class(page, hero) ⇒ Object 



145
146
147
 
# File 'app/helpers/pageflow/pages_helper.rb', line 145

def page_thumbnail_image_class(page, hero)
  file_thumbnail_css_class(page.thumbnail_file, hero ? :link_thumbnail_large : :link_thumbnail)
end

#poster_image_tag(video_id, poster_image_id, options = {}) ⇒ Object 



67
68
69
70
71
72
73
74
75
76
77
78
79
80
 
# File 'app/helpers/pageflow/pages_helper.rb', line 67

def poster_image_tag(video_id, poster_image_id, options = {})
  video_file = VideoFile.find_by_id(video_id)
  poster = ImageFile.find_by_id(poster_image_id)

  if poster
    options = options.merge('data-src' => poster.attachment.url(:medium))
    options = options.merge('data-printsrc' => poster.attachment.url(:print))
  elsif video_file
    options = options.merge('data-src' => video_file.poster.url(:medium))
    options = options.merge('data-printsrc' => video_file.poster.url(:print))
  end

  image_tag('', options)
end

#shadow_div(options = {}) ⇒ Object 



36
37
38
39
40
41
 
# File 'app/helpers/pageflow/pages_helper.rb', line 36

def shadow_div(options = {})
  style = options[:opacity] ? "opacity: #{options[:opacity] / 100.0};" : nil
  content_tag(:div, '', :class => 'shadow_wrapper') do
    content_tag(:div, '', :class => 'shadow', :style => style)
  end
end

#video_file_sources(video_file, options = {}) ⇒ Object 



120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
 
# File 'app/helpers/pageflow/pages_helper.rb', line 120

def video_file_sources(video_file, options = {})
  [{
      :type => 'video/webm',
      :src => video_file.webm_medium.url(options),
      :high_src => video_file.webm_high.url(options)
    },
    {
      :type => 'application/x-mpegURL',
      :src => video_file.hls_playlist.url(options),
      :high_src => video_file.hls_playlist.url(options)
    },
    {
      :type => 'video/mp4',
      :src => video_file.mp4_medium.url(options),
      :high_src => video_file.mp4_high.url(options)
    }]
end