Initial commit

master
Nikola Forró 6 years ago
commit e1be2c6ccb

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# v3.0.1
## 08/20/2018
1. [](#improved)
* Refactor to remove GravTrait
# v3.0.0
## 08/02/2018
1. [](#new)
* Added shortcode support
# v2.0.4
## 09/28/2017
1. [](#improved)
* Always use HTTPS for YouTube [#21](https://github.com/getgrav/grav-plugin-youtube/pull/21)
# v2.0.3
## 12/23/2016
1. [](#bugfix)
* Fixed a JavaScript issue [#16](https://github.com/getgrav/grav-plugin-youtube/pull/16)
# v2.0.2
## 05/23/2016
1. [](#improved)
* Supports `youtu.be` based short links
1. [](#bugfix)
* Fixed for invalid URL with YouTube editor buttons
* Fixed editor button to work with Admin v1.1
# v2.0.1
## 11/24/2015
1. [](#bugfix)
* Fixed issue with case sensitivity when including new `YoutubeTwigExtension`
# v2.0.0
## 11/23/2015
1. [](#new)
* Added player parameters configuration values (@hctom)
* Added various YouTube options (@hctom)
* Reworked output to use overridable Twig template (@hctom)
* Added hebe.json (@hctom)
# v1.1.0
## 10/07/2015
1. [](#new)
* Added admin editor button
# v1.0.0
## 05/09/2015
1. [](#new)
* ChangeLog started...

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The MIT License (MIT)
Copyright (c) 2015 Grav
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# Grav YouTube Plugin
`YouTube` is a simple [Grav][grav] Plugin that converts markdown links into responsive embeds.
# Installation
Installing the YouTube plugin can be done in one of two ways. Our GPM (Grav Package Manager) installation method enables you to quickly and easily install the plugin with a simple terminal command, while the manual method enables you to do so via a zip file.
## GPM Installation (Preferred)
The simplest way to install this plugin is via the [Grav Package Manager (GPM)](http://learn.getgrav.org/advanced/grav-gpm) through your system's Terminal (also called the command line). From the root of your Grav install type:
bin/gpm install youtube
This will install the YouTube plugin into your `/user/plugins` directory within Grav. Its files can be found under `/your/site/grav/user/plugins/youtube`.
## Manual Installation
To install this plugin, just download the zip version of this repository and unzip it under `/your/site/grav/user/plugins`. Then, rename the folder to `youtube`. You can find these files either on [GitHub](https://github.com/getgrav/grav-plugin-youtube) or via [GetGrav.org](http://getgrav.org/downloads/plugins#extras).
You should now have all the plugin files under
/your/site/grav/user/plugins/youtube
# Config Defaults
```
enabled: true
built_in_css: true
player_parameters:
autoplay: 0
cc_load_policy: 0
color: red
controls: 1
disablekb: 0
enablejsapi: 0
fs: 1
hl: ''
iv_load_policy: 1
loop: 0
modestbranding: 0
origin: ''
playsinline: 0
rel: 1
showinfo: 1
vq: default
privacy_enhanced_mode: false
```
If you need to change any value, then the best process is to copy the [youtube.yaml](youtube.yaml) file into your `users/config/plugins/` folder (create it if it doesn't exist), and then modify there. This will override the default settings.
You can also set any of these settings on a per-page basis by adding them under a `youtube:` setting in your page header. For example:
---
title: YouTube Video
youtube:
player_parameters:
autoplay: 1
---
[plugin:youtube](https://www.youtube.com/watch?v=BK8guP9ov2U)
This will display a video and auto-play it.
For more details on the `player_parameters`, please check out the [YouTube official documentation](https://developers.google.com/youtube/player_parameters)
# Usage
To use this plugin you simply need to include a youtube URL in markdown link such as:
```
[plugin:youtube](https://www.youtube.com/watch?v=BK8guP9ov2U)
```
Will be converted into the following embeded HTML:
```
<div class="grav-youtube"><iframe src="https://www.youtube.com/embed/BK8guP9ov2U" frameborder="0" allowfullscreen=""></iframe></div>
```
CSS is also loaded to provide the appropriate responsive layout.
# Shortcode Syntax
As of version `3.0` you can now use an alternative _shortcode_ syntax that supports passing in the player parameter values inline
```
[youtube color=white autoplay=1]https://www.youtube.com/watch?v=BK8guP9ov2U[/youtube]
```
[grav]: http://github.com/getgrav/grav

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(function($){
$(function(){
$('body').on('grav-editor-ready', function() {
var Instance = Grav.default.Forms.Fields.EditorField.Instance;
Instance.addButton({
yt: {
identifier: 'yt-video',
title: 'YouTube Video',
label: '<i class="fa fa-fw fa-youtube"></i>',
modes: ['gfm', 'markdown'],
action: function(_ref) {
var codemirror = _ref.codemirror, button = _ref.button, textarea = _ref.textarea;
button.on('click.editor.yt',function() {
var videoURL = prompt("Enter the YouTube Video URL. E.g. https://www.youtube.com/watch?v=vQ4qK36UenI");
if (videoURL) {
var text = '[plugin:yt](' + videoURL + ')';
//Add text to the editor
var pos = codemirror.getDoc().getCursor(true);
var posend = codemirror.getDoc().getCursor(false);
for (var i=pos.line; i<(posend.line+1);i++) {
codemirror.replaceRange(text+codemirror.getLine(i), { line: i, ch: 0 }, { line: i, ch: codemirror.getLine(i).length });
}
codemirror.setCursor({ line: posend.line, ch: codemirror.getLine(posend.line).length });
codemirror.focus();
}
});
}
}
});
});
});
})(jQuery);

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name: YT
version: 3.0.1
description: "**YT** is a simple plugin that converts markdown links or shortcodes into responsive embeds."
icon: youtube
author:
name: Team Grav
email: devs@getgrav.org
url: http://getgrav.org
homepage: https://github.com/getgrav/grav-plugin-youtube
keywords: youtube, markdown
bugs: https://github.com/getgrav/grav-plugin-youtube/issues
license: MIT
form:
validation: strict
fields:
enabled:
type: toggle
label: Plugin status
highlight: 1
default: 0
options:
1: Enabled
0: Disabled
validate:
type: bool
built_in_css:
type: toggle
label: Use built in CSS
highlight: 1
default: 1
options:
1: Enabled
0: Disabled
validate:
type: bool
add_editor_button:
type: toggle
label: Add editor button
help: The editor button allows you to easily enter YouTube videos in the page content
highlight: 1
default: 1
options:
1: Enabled
0: Disabled
validate:
type: bool
privacy_enhanced_mode:
type: toggle
label: Privacy-enhanced mode
help: If enabled, YouTube wont store information about visitors on your web page unless they play the video.
highlight: 0
default: 0
options:
1: Enabled
0: Disabled
validate:
type: bool
player_parameters:
type: section
title: Player parameters
underline: true
fields:
player_parameters.vq:
type: select
size: medium
label: Preferred video quality
help: Specifies the preferred video quality to display. This may be overridden by YouTube to improve playback quality based on the user's screen resolution, bandwidth etc.
default: 'default'
options:
default: Default
small: Small
medium: Medium
large: Large
highres: High resolution
hd1080: High definition (1080)
hd720: High definition (720)
validate:
type: string
player_parameters.autoplay:
type: toggle
label: Autoplay
help: Specifies whether the initial video will automatically start to play when the player loads.
highlight: 0
default: 0
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.loop:
type: toggle
label: Loop
help: If enabled, the player will play the initial video again and again.
highlight: 0
default: 0
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.showinfo:
type: toggle
label: Show information
help: If enabled, the player will display information like the video title and uploader before the video starts playing.
highlight: 1
default: 1
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.rel:
type: toggle
label: Related videos
help: If enabled, the player will show related videos when playback of the initial video ends.
highlight: 1
default: 1
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.modestbranding:
type: toggle
label: Modest branding
help: If enabled, the YouTube logo won't be displayed in the control bar. Note that a small YouTube text label will still display in the upper-right corner of a paused video when the user's mouse pointer hovers over the player.
highlight: 0
default: 0
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.color:
type: select
size: medium
label: Color
help: Specifies the color that will be used in the player's video progress bar to highlight the amount of the video that the viewer has already seen. Setting this to white will disable the modest branding option.
default: red
options:
red: Red
white: White
validate:
type: string
player_parameters.cc_load_policy:
type: toggle
label: Show closed captions by default
help: If enabled, this causes closed captions to be shown by default, even if the user has turned captions off. The default behavior is based on user preference.
highlight: 0
default: 0
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.iv_load_policy:
type: select
size: medium
label: Video annotations
help: Specifies whether video annotatins should be displayed.
default: 1
options:
1: Displayed by default
3: Hidden by default
validate:
type: int
player_parameters.controls:
type: toggle
label: Controls
help: Indicates whether the video player controls are displayed.
highlight: 1
default: 1
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.disablekb:
type: toggle
label: Keyboard controls
help: If enabled, the player responds to supported keyboard controls.
highlight: 0
default: 0
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.fs:
type: toggle
label: Fullscreen button
help: If enabled, the player displays the fullscreen button.
highlight: 1
default: 1
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.hl:
type: text
label: Language
placeholder: 'e.g. en or en-us'
help: Specifies the player's interface language. This has to be an ISO 639-1 two-letter language code or a fully specified locale. The interface language is used for tooltips in the player and also affects the default caption track. Note that YouTube might select a different caption track language for a particular user based on the user's individual language preferences and the availability of caption tracks.
default: ''
validate:
type: string
player_parameters.enablejsapi:
type: toggle
label: JavaScript API
help: If enabled, the player may be controlled via IFrame or JavaScript Player API calls.
highlight: 0
default: 0
options:
1: Enabled
0: Disabled
validate:
type: int
player_parameters.origin:
type: text
label: Origin
placeholder: 'e.g. example.com'
help: If using the IFrame API, specify your domain name. This provides an extra security measure for the IFrame API and is only supported for IFrame embeds.
default: ''
validate:
type: string
player_parameters.playsinline:
type: toggle
label: iOS playback behavior
help: Specifies whether videos play inline or fullscreen in an HTML5 player on iOS.
highlight: 0
default: 0
options:
0: Fullscreen
1: Inline
validate:
type: int

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<?php
namespace Grav\Plugin\YT\Twig;
use Grav\Common\Grav;
class YTTwigExtension extends \Twig_Extension
{
/**
* Returns extension name.
*
* @return string
*/
public function getName()
{
return 'YTTwigExtension';
}
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return [
new \Twig_SimpleFunction('yt_embed_url', [$this, 'embedUrl']),
];
}
/**
* Builds YouTube video embed URL.
*
* @param string $video_id
* @param array $player_parameters
* @param bool $privacy_enhanced_mode
* @return string
*/
public function embedUrl($video_id, array $player_parameters = array(), $privacy_enhanced_mode = FALSE)
{
$grav = Grav::instance();
// build base video embed URL (while respecting privacy enhanced mode setting)
$url = 'https://www.youtube' . ($privacy_enhanced_mode ? '-nocookie' : '') . '.com/embed/' . $video_id;
// filter player parameters to only those not matching YouTube defaults
$filtered_player_parameters = array();
foreach ($player_parameters as $key => $value) {
$parameter_blueprint = $grav['config']->blueprints()->get('plugins.yt.player_parameters.' . $key);
// configured value matches YouTube default -> skip parameter
if (isset($parameter_blueprint['default']) && $parameter_blueprint['default'] == $value) {
continue;
}
$filtered_player_parameters[$key] = $value;
}
// append query string (if any)
if (!empty($filtered_player_parameters) && ($query_string = http_build_query($filtered_player_parameters))) {
$url .= '?' . $query_string;
}
return $url;
}
}

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.grav-yt {
display: inline;
width: 280px;
height: 135px;
padding: 0.5em;
}

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{
"project":"grav-plugin-yt",
"platforms":{
"grav":{
"nodes":{
"theme":[
{
"source":"/",
"destination":"/user/plugins/yt"
}
]
}
}
}
}

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<?php
namespace Grav\Plugin\Shortcodes;
use Thunder\Shortcode\Shortcode\ShortcodeInterface;
class YTShortcode extends Shortcode
{
const YOUTUBE_REGEX = '/(?:https?:\/{2}(?:(?:www.youtube(?:-nocookie)?\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|\S*?[?&]v=))|(?:youtu\.be\/)))((?:videoseries\?list=[a-zA-Z0-9_-]{34})|[a-zA-Z0-9_-]{11})/';
public function init()
{
$this->shortcode->getHandlers()->add('yt', function(ShortcodeInterface $sc) {
// Get shortcode content and parameters
$url = $sc->getContent();
$params = $sc->getParameters();
$privacy_mode = $sc->getParameter('privacy_enhanced_mode');
if ($url) {
preg_match($this::YOUTUBE_REGEX, $url, $matches);
$search = $matches[0];
// double check to make sure we found a valid YouTube video ID
if (!isset($matches[1])) {
return $search;
}
/** @var Twig $twig */
$twig = $this->grav['twig'];
// build the replacement embed HTML string
$replace = $twig->processTemplate('partials/yt.html.twig', array(
'player_parameters' => $params,
'privacy_enhanced_mode' => $privacy_mode,
'video_id' => $matches[1],
));
// do the replacement
return str_replace($search, $replace, $search);
}
});
}
}

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<div class="grav-yt">
<iframe src="{{- yt_embed_url(video_id, player_parameters, privacy_enhanced_mode) -}}" frameborder="0" allowfullscreen></iframe>
</div>

139
yt.php

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<?php
/**
* YT
*
* This plugin embeds YouTube video from markdown URLs
*
* Licensed under MIT, see LICENSE.
*/
namespace Grav\Plugin;
use Grav\Common\Data\Data;
use Grav\Common\Plugin;
use Grav\Common\Page\Page;
use Grav\Common\Twig\Twig;
use Grav\Plugin\YT\Twig\YTTwigExtension;
use RocketTheme\Toolbox\Event\Event;
class YTPlugin extends Plugin
{
const YOUTUBE_REGEX = '(?:https?:\/{2}(?:(?:www.youtube(?:-nocookie)?\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|\S*?[?&]v=))|(?:youtu\.be\/)))((?:videoseries\?list=[a-zA-Z0-9_-]{34})|[a-zA-Z0-9_-]{11})';
/**
* Return a list of subscribed events.
*
* @return array The list of events of the plugin of the form
* 'name' => ['method_name', priority].
*/
public static function getSubscribedEvents()
{
return [
'onPluginsInitialized' => ['onPluginsInitialized', 0],
];
}
/**
* Initialize configuration.
*/
public function onPluginsInitialized()
{
if ($this->isAdmin()) {
$this->enable([
'onTwigSiteVariables' => ['onTwigSiteVariables', 0],
]);
return;
}
$this->enable([
'onPageContentRaw' => ['onPageContentRaw', 0],
'onTwigExtensions' => ['onTwigExtensions', 0],
'onTwigSiteVariables' => ['onTwigSiteVariables', 0],
'onTwigTemplatePaths' => ['onTwigTemplatePaths', 0],
'onShortcodeHandlers' => ['onShortcodeHandlers', 0],
]);
}
/**
* Add content after page content was read into the system.
*
* @param Event $event An event object, when `onPageContentRaw` is fired.
*/
public function onPageContentRaw(Event $event)
{
/** @var Page $page */
$page = $event['page'];
/** @var Twig $twig */
$twig = $this->grav['twig'];
/** @var Data $config */
$config = $this->mergeConfig($page, TRUE);
if ($config->get('enabled')) {
// Get raw content and substitute all formulas by a unique token
$raw = $page->getRawContent();
// build an anonymous function to pass to `parseLinks()`
$function = function ($matches) use ($twig, $config) {
$search = $matches[0];
// double check to make sure we found a valid YouTube video ID
if (!isset($matches[1])) {
return $search;
}
// build the replacement embed HTML string
$replace = $twig->processTemplate('partials/yt.html.twig', array(
'player_parameters' => $config->get('player_parameters'),
'privacy_enhanced_mode' => $config->get('privacy_enhanced_mode'),
'video_id' => $matches[1],
));
// do the replacement
return str_replace($search, $replace, $search);
};
// set the parsed content back into as raw content
//$page->setRawContent($this->parseLinks($raw, $function, $this::YOUTUBE_REGEX));
$page->setRawContent($this->parseLinks($raw, $function));
}
}
/**
* Add Twig Extensions.
*/
public function onTwigExtensions()
{
require_once __DIR__ . '/classes/Twig/YTTwigExtension.php';
$this->grav['twig']->twig->addExtension(new YTTwigExtension());
}
/**
* Set needed variables to display breadcrumbs.
*/
public function onTwigSiteVariables()
{
if (!$this->isAdmin() && $this->config->get('plugins.yt.built_in_css')) {
$this->grav['assets']->add('plugin://yt/css/yt.css');
}
if ($this->isAdmin() && $this->config->get('plugins.yt.add_editor_button')) {
$this->grav['assets']->add('plugin://yt/admin/editor-button/js/button.js');
}
}
/**
* Add current directory to twig lookup paths.
*/
public function onTwigTemplatePaths()
{
$this->grav['twig']->twig_paths[] = __DIR__ . '/templates';
}
/**
* Initialize shortcodes
*/
public function onShortcodeHandlers()
{
$this->grav['shortcode']->registerAllShortcodes(__DIR__.'/shortcodes');
}
}

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enabled: true
built_in_css: true
add_editor_button: true
player_parameters:
autoplay: 0
cc_load_policy: 0
color: red
controls: 1
disablekb: 0
enablejsapi: 0
fs: 1
hl: ''
iv_load_policy: 1
loop: 0
modestbranding: 0
origin: ''
playsinline: 0
rel: 1
showinfo: 1
vq: default
privacy_enhanced_mode: false
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