AnsPress_Syntax_Highlighter()
Description #
The syntax highlighter class.
Source #
File: addons/free/syntaxhighlighter.php
class AnsPress_Syntax_Highlighter {
static $brushes = [];
/**
* Initialize the addon.
*/
public static function init() {
self::brush();
anspress()->add_filter( 'wp_enqueue_scripts', __CLASS__, 'scripts' );
anspress()->add_filter( 'mce_external_plugins', __CLASS__, 'mce_plugins' );
anspress()->add_action( 'wp_footer', __CLASS__, 'output_scripts', 15 );
anspress()->add_action( 'admin_footer', __CLASS__, 'output_scripts' );
anspress()->add_filter( 'tiny_mce_before_init', __CLASS__, 'mce_before_init' );
}
/**
* Register scripts and styles.
*
* @return void
*/
public static function scripts() {
$js_url = ANSPRESS_URL . '/assets/syntaxhighlighter/scripts/';
$css_url = ANSPRESS_URL . '/assets/syntaxhighlighter/styles/';
$scripts = array(
'brush-bash' => 'shBrushBash.js',
'brush-coldfusion' => 'shBrushColdFusion.js',
'brush-cpp' => 'shBrushCpp.js',
'brush-csharp' => 'shBrushCSharp.js',
'brush-css' => 'shBrushCss.js',
'brush-delphi' => 'shBrushDelphi.js',
'brush-diff' => 'shBrushDiff.js',
'brush-groovy' => 'shBrushGroovy.js',
'brush-java' => 'shBrushJava.js',
'brush-javafx' => 'shBrushJavaFX.js',
'brush-jscript' => 'shBrushJScript.js',
'brush-perl' => 'shBrushPerl.js',
'brush-perl' => 'shBrushPerl.js',
'brush-php' => 'shBrushPhp.js',
'brush-plain' => 'shBrushPlain.js',
'brush-powershell' => 'shBrushPowerShell.js',
'brush-python' => 'shBrushPython.js',
'brush-ruby' => 'shBrushRuby.js',
'brush-scala' => 'shBrushScala.js',
'brush-sql' => 'shBrushSql.js',
'brush-vb' => 'shBrushVb.js',
'brush-xml' => 'shBrushXml.js',
'brush-clojure' => 'shBrushClojure.js',
'brush-fsharp' => 'shBrushFSharp.js',
'brush-latex' => 'shBrushLatex.js',
'brush-matlabkey' => 'shBrushMatlabKey.js',
'brush-objc' => 'shBrushObjC.js',
'brush-r' => 'shBrushR.js',
);
echo '<script type="text/javascript">AP_Brushes = ' . wp_json_encode( self::$brushes ) . ';</script>';
wp_register_script( 'syntaxhighlighter-core', $js_url . 'shCore.js', [], AP_VERSION );
foreach ( $scripts as $key => $script ) {
wp_register_script( 'syntaxhighlighter-' . $key, $js_url . $script, [ 'syntaxhighlighter-core' ], AP_VERSION );
}
// Register theme stylesheets.
wp_register_style( 'syntaxhighlighter-core', $css_url . 'shCore.css', [], AP_VERSION );
wp_register_style( 'syntaxhighlighter-theme-default', $css_url . 'shThemeDefault.css', [ 'syntaxhighlighter-core' ], AP_VERSION );
}
/**
* Define all brush.
*
* @return void
*/
public static function brush() {
self::$brushes = array(
'php' => 'PHP',
'css' => 'CSS',
'xml' => 'XML/HTML',
'jscript' => 'Javascript',
'sql' => 'SQL',
'as3' => 'Action Script',
'bash' => 'Bash/Shell',
'colfusion' => 'ColdFusion',
'clojure' => 'Clojure',
'cpp' => 'C++/C',
'csharp' => 'C#',
'delphi' => 'Delphi',
'diff' => 'Diff',
'erlang' => 'Erlang',
'fsharp' => 'F#',
'groovy' => 'Groovy',
'java' => 'Java',
'javafx' => 'JavaFX',
'latex' => 'Latex',
'plain' => 'Plain text',
'matlab' => 'Matlabkey',
'objc' => 'Object',
'perl' => 'Perl',
'powershell' => 'PowerShell',
'python' => 'Python',
'r' => 'R',
'ruby' => 'Ruby/Rails',
'scala' => 'Scala',
'vb' => 'VisualBasic',
);
}
/**
* Add tinyMCE plugin.
*
* @param array $plugins Plugins.
* @return array
*/
public static function mce_plugins( $plugins ) {
$plugins[ 'apsyntax' ] = ANSPRESS_URL . 'assets/js/min/tinymce-syntax.min.js';
return $plugins;
}
/**
* Output required scripts in footer.
*
* @return void
*/
public static function output_scripts() {
if ( ! is_anspress() ) {
return;
}
global $wp_styles;
$scripts = [];
foreach ( self::$brushes as $brush => $label ) {
$scripts[] = 'syntaxhighlighter-brush-' . strtolower( $brush );
}
wp_print_scripts( $scripts );
if ( ! is_a( $wp_styles, 'WP_Styles' ) ) {
$wp_styles = new WP_Styles();
}
$sh_css = '';
$theme_css = '';
if ( ! empty( $wp_styles ) && ! empty( $wp_styles->registered ) &&
! empty( $wp_styles->registered['syntaxhighlighter-core'] ) &&
! empty( $wp_styles->registered['syntaxhighlighter-core']->src ) ) {
$sh_css = add_query_arg( 'ver', AP_VERSION, $wp_styles->registered['syntaxhighlighter-core']->src );
$theme_css = add_query_arg( 'ver', AP_VERSION, $wp_styles->registered['syntaxhighlighter-theme-default']->src );
}
?>
<script type='text/javascript'>
(function($){
SyntaxHighlighter.defaults.toolbar = false;
$(document).ready(function(){
AnsPress.loadCSS('<?php echo esc_url( $sh_css ); ?>');
AnsPress.loadCSS('<?php echo esc_url( $theme_css ); ?>');
SyntaxHighlighter.highlight();
});
})(jQuery);
</script>
<?php
}
/**
* Modify tinyMCE options so that we can add our pre tags along with language code.
*
* Our language code is stored in a custom attribute `aplang`. Also whitelist
* `contenteditable` attribute so that we can prevent editing `pre` tag in editor.
*
* @param array $options TinyMCE options.
* @return array
*/
public static function mce_before_init( $options ) {
if ( ! isset( $options['extended_valid_elements'] ) ) {
$options['extended_valid_elements'] = '';
} else {
$options['extended_valid_elements'] .= ',';
}
if ( ! isset( $options['custom_elements'] ) ) {
$options['custom_elements'] = '';
} else {
$options['custom_elements'] .= ',';
}
$options['extended_valid_elements'] .= 'pre[aplang|contenteditable]';
$options['custom_elements'] .= 'pre[aplang|contenteditable]';
return $options;
}
}
Expand full source code Collapse full source code View on GitHub: addons/free/syntaxhighlighter.php:31
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