Module: KalturaFu::ViewHelpers

Defined in:
lib/kaltura_fu/view_helpers.rb

Overview

The ViewHelpers module provides extensions to Rails ActionView class that allow interactions with Kaltura on rails view layer.

Author:

  • Patrick Robertson

Constant Summary

DEFAULT_KPLAYER =

default UI Conf ID of the kdp player

'1339442'
PLAYER_WIDTH =

default embedded KDP width

'400'
PLAYER_HEIGHT =

default embedded KDP height

'330'

Instance Method Summary collapse

Instance Method Details

#include_kaltura_fu(*args) ⇒ Object

Convienence to include SWFObject and the required Kaltura upload embed javascripts.



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# File 'lib/kaltura_fu/view_helpers.rb', line 19

def include_kaltura_fu(*args)
  content = javascript_include_tag('kaltura_upload')
  content << "\n#{javascript_include_tag('http://ajax.googleapis.com' + 
		 '/ajax/libs/swfobject/2.2/swfobject.js')}" 
end

#kaltura_player_embed(entry_id, options = {}) ⇒ String

Returns the code needed to embed a KDPv3 player.

Options Hash (options):

  • :div_id (String) — default: 'kplayer'

    The div element that the flash object will be inserted into.

  • :size (Array) — default: []

    The [width,wight] of the player.

  • :use_url (Boolean) — default: false

    flag to determine whether entry_id is an entry or a URL of a flash file.

  • :player_conf_id (String) — default: KalturaFu.config(:player_conf_id)

    A UI Conf ID to override the player with.



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# File 'lib/kaltura_fu/view_helpers.rb', line 75

def kaltura_player_embed(entry_id,options={})
  player_conf_parameter = "/ui_conf_id/"
  options[:div_id] ||= "kplayer"
  options[:size] ||= []
  options[:use_url] ||= false
  width = PLAYER_WIDTH
  height = PLAYER_HEIGHT
  source_type = "entryId"

  unless options[:size].empty?
   width = options[:size].first
   height = options[:size].last
  end
    
  if options[:use_url] == true
    source_type = "url"
  end

  unless options[:player_conf_id].nil?
    player_conf_parameter += "#{options[:player_conf_id]}"
  else
    unless KalturaFu.config[:player_conf_id].nil?
      player_conf_parameter += "#{KalturaFu.config[:player_conf_id]}"
   else
     player_conf_parameter += "#{DEFAULT_KPLAYER}"
    end
  end
  
  "<div id=\"#{options[:div_id]}\"></div>
  <script type=\"text/javascript\">
  	var params= {
  		allowscriptaccess: \"always\",
  		allownetworking: \"all\",
  		allowfullscreen: \"true\",
  		wmode: \"opaque\"
  	};
  	var flashVars = {};
  	flashVars.sourceType = \"#{source_type}\";      	  
  	flashVars.entryId = \"#{entry_id}\";
  	flashVars.emptyF = \"onKdpEmpty\";
		flashVars.readyF = \"onKdpReady\";
  		
  	var attributes = {
      id: \"#{options[:div_id]}\",
      name: \"#{options[:div_id]}\"
  	};

  	swfobject.embedSWF(\"#{KalturaFu.config[:service_url]}/kwidget/wid/_#{KalturaFu.config[:partner_id]}" + player_conf_parameter + "\",\"#{options[:div_id]}\",\"#{width}\",\"#{height}\",\"10.0.0\",\"http://ttv.mit.edu/swfs/expressinstall.swf\",flashVars,params,attributes);
  </script>"
end

Creates a link_to tag that seeks to a certain time on a KDPv3 player.

Options Hash (options):

  • :div_id (String) — default: 'kplayer'

    The div of the KDP player.



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# File 'lib/kaltura_fu/view_helpers.rb', line 172

def kaltura_seek_link(content,seek_time,options={})
  options[:div_id] ||= "kplayer"

  options[:onclick] = "$(#{options[:div_id]}).get(0).sendNotification('doSeek',#{seek_time});window.scrollTo(0,0);return false;"
  options.delete(:div_id)
  link_to(content,"#", options)
end

#kaltura_thumbnail(entry_id, options = {}) ⇒ String

Returns the thumbnail of the provided Kaltura Entry.

Options Hash (options):

  • :size (Array) — default: []

    an array of [width,height]

  • :second (String) — default: nil

    the second of the Kaltura entry that the thumbnail should be of.



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# File 'lib/kaltura_fu/view_helpers.rb', line 34

def kaltura_thumbnail(entry_id,options={})
  options[:size] ||= []
  size_parameters = ""
  seconds_parameter = ""
  
  unless options[:size].empty?
    size_parameters = "/width/#{options[:size].first}/height/" +
 "#{options[:size].last}"
  else
    # if the thumbnail width and height are defined in the config,
   # use it, assuming it wasn't locally overriden
    if KalturaFu.config[:thumb_width] && KalturaFu.config[:thumb_height]
      size_parameters = "/width/#{KalturaFu.config[:thumb_width]}/height/" +
   "#{KalturaFu.config[:thumb_height]}"
    end
  end
  
  unless options[:second].nil?
    seconds_parameter = "/vid_sec/#{options[:second]}"
  else
    seconds_parameter = "/vid_sec/5"
  end
  
  image_tag("#{KalturaFu.config[:service_url]}/p/#{KalturaFu.config[:partner_id]}" +
		"/thumbnail/entry_id/#{entry_id}" + 
		seconds_parameter + 
		size_parameters)
end

#kaltura_upload_embed(options = {}) ⇒ Object

Returns the html/javascript necessary for a KSU widget.

Options Hash (options):

  • :div_id (String) — default: 'uploader'

    div that the flash object will be inserted into.



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# File 'lib/kaltura_fu/view_helpers.rb', line 132

def kaltura_upload_embed(options={})
  options[:div_id] ||="uploader"
  "<div id=\"#{options[:div_id]}\"></div>
		<script type=\"text/javascript\">

		var params = {
			allowScriptAccess: \"always\",
			allowNetworking: \"all\",
			wmode: \"transparent\"
		};
		var attributes = {
			id: \"uploader\",
			name: \"KUpload\"
		};
		var flashVars = {
			uid: \"ANONYMOUS\",
			partnerId: \"#{KalturaFu.config[:partner_id]}\",
			subPId: \"#{KalturaFu.config[:subpartner_id]}\",
			entryId: \"-1\",
			ks: \"#{KalturaFu.session_key}\",
			uiConfId: '1103',
			jsDelegate: \"delegate\",
			maxFileSize: \"999999999\",
			maxTotalSize: \"999999999\"
		};

    swfobject.embedSWF(\"#{KalturaFu.config[:service_url]}/kupload/ui_conf_id/1103\", \"uploader\", \"160\", \"26\", \"9.0.0\", \"expressInstall.swf\", flashVars, params,attributes);

	</script>"
end