Sync plugins from current page

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/advanced-custom-fields/includes/locations/class-acf-location-attachment.php

@@ -0,0 +1,127 @@
+<?php 
+
+if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+
+if( ! class_exists('acf_location_attachment') ) :
+
+class acf_location_attachment extends acf_location {
+	
+	
+	/*
+	*  __construct
+	*
+	*  This function will setup the class functionality
+	*
+	*  @type	function
+	*  @date	5/03/2014
+	*  @since	5.0.0
+	*
+	*  @param	n/a
+	*  @return	n/a
+	*/
+	
+	function initialize() {
+		
+		// vars
+		$this->name = 'attachment';
+		$this->label = __("Attachment",'acf');
+		$this->category = 'forms';
+    	
+	}
+	
+
+	/*
+	*  rule_match
+	*
+	*  This function is used to match this location $rule to the current $screen
+	*
+	*  @type	function
+	*  @date	3/01/13
+	*  @since	3.5.7
+	*
+	*  @param	$match (boolean) 
+	*  @param	$rule (array)
+	*  @return	$options (array)
+	*/
+	
+	function rule_match( $result, $rule, $screen ) {
+		
+		// vars
+		$attachment = acf_maybe_get( $screen, 'attachment' );
+		
+				
+		// validate
+		if( !$attachment ) return false;
+		
+		
+		// get attachment mime type
+		$mime_type = get_post_mime_type( $attachment );
+		
+		
+		// no specific mime
+		if( !strpos($rule['value'], '/') ) {
+			
+			// explode into [0] => type, [1] => mime
+			$bits = explode('/', $mime_type);
+			
+			
+			// if type matches, fake the $mime_type to match
+			if( $rule['value'] === $bits[0] ) {
+				
+				$mime_type = $rule['value'];
+				
+			}
+		}
+		
+		
+		// match
+		return $this->compare( $mime_type, $rule );
+		
+	}
+	
+	
+	/*
+	*  rule_operators
+	*
+	*  This function returns the available values for this rule type
+	*
+	*  @type	function
+	*  @date	30/5/17
+	*  @since	5.6.0
+	*
+	*  @param	n/a
+	*  @return	(array)
+	*/
+	
+	function rule_values( $choices, $rule ) {
+		
+		// vars
+		$mimes = get_allowed_mime_types();
+		$choices = array(
+			'all' => __('All', 'acf')
+		);
+		
+		
+		// loop
+		foreach( $mimes as $type => $mime ) {
+			
+			$group = current( explode('/', $mime) );
+			$choices[ $group ][ $group ] = sprintf( __('All %s formats', 'acf'), $group);
+			$choices[ $group ][ $mime ] = "$type ($mime)";
+			
+		}
+		
+		
+		// return
+		return $choices;
+		
+	}
+	
+}
+
+// initialize
+acf_register_location_rule( 'acf_location_attachment' );
+
+endif; // class_exists check
+
+?>