<?php

// exit if accessed directly
if (!defined('ABSPATH')) exit;


// check if class already exists
if (!class_exists('threefo_acf_field_media')):


class threefo_acf_field_media extends acf_field {


	/*
	*  __construct
	*
	*  This function will setup the field type data
	*
	*  @type	function
	*  @date	5/03/2014
	*  @since	5.0.0
	*
	*  @param	n/a
	*  @return	n/a
	*/

	function __construct($settings) {

		/*
		*  name (string) Single word, no spaces. Underscores allowed
		*/

		$this->name = 'media';


		/*
		*  label (string) Multiple words, can include spaces, visible when selecting a field type
		*/

		$this->label = __('Media', 'threefo');


		/*
		*  category (string) basic | content | choice | relational | jquery | layout | CUSTOM GROUP NAME
		*/

		$this->category = 'basic';


		/*
		*  defaults (array) Array of default settings which are merged into the field object. These are used later in settings
		*/

		$this->defaults = array(
			'font_size'	=> 14,
		);


		/*
		*  l10n (array) Array of strings that are used in JavaScript. This allows JS strings to be translated in PHP and loaded via:
		*  var message = acf._e('media', 'error');
		*/

		$this->l10n = array(
			'error'	=> __('Error! Please enter a higher value', 'threefo'),
		);


		/*
		*  settings (array) Store plugin settings (url, path, version) as a reference for later use with assets
		*/

		$this->settings = $settings;


		// do not delete!
    	parent::__construct();

	}


	/*
	*  render_field_settings()
	*
	*  Create extra settings for your field. These are visible when editing a field
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field (array) the $field being edited
	*  @return	n/a
	*/

	function render_field_settings($field) {

		// clear numeric settings
		$clear = array(
			'min_size',
			'max_size'
		);

		foreach ($clear as $k) {
			if (empty($field[$k])) {
				$field[$k] = '';
			}
		}

		// library
		acf_render_field_setting($field, array(
			'label'			=> __('Library','acf'),
			'instructions'	=> __('Limit the media library choice','acf'),
			'type'			=> 'radio',
			'name'			=> 'library',
			'layout'		=> 'horizontal',
			'choices' 		=> array(
				'all'			=> __('All', 'acf'),
				'uploadedTo'	=> __('Uploaded to post', 'acf')
			)
		));


		// min
		acf_render_field_setting($field, array(
			'label'			=> __('Minimum','acf'),
			'instructions'	=> __('Restrict which files can be uploaded','acf'),
			'type'			=> 'text',
			'name'			=> 'min_size',
			'prepend'		=> __('File size', 'acf'),
			'append'		=> 'MB',
		));


		// max
		acf_render_field_setting($field, array(
			'label'			=> __('Maximum','acf'),
			'instructions'	=> __('Restrict which files can be uploaded','acf'),
			'type'			=> 'text',
			'name'			=> 'max_size',
			'prepend'		=> __('File size', 'acf'),
			'append'		=> 'MB',
		));


		// allowed type
		acf_render_field_setting($field, array(
			'label'			=> __('Allowed file types','acf'),
			'instructions'	=> __('Comma separated list. Leave blank for all types','acf'),
			'type'			=> 'text',
			'name'			=> 'mime_types',
		));

	}



	/*
	*  render_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param	$field (array) the $field being rendered
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field (array) the $field being edited
	*  @return	n/a
	*/

	function render_field($field) {

		// vars
		$uploader = acf_get_setting('uploader');

		// allow custom uploader
		$uploader = acf_maybe_get($field, 'uploader', $uploader);

		// enqueue
		if ($uploader == 'wp') {
			acf_enqueue_uploader();
		}

		// vars
		$o = array(
			'title' => '',
			'title_text' => '',
			'title_alt' => '',
			'url' => '',
			'filename' => '',
			'fallback_url' => '',
			'fallback_filename'	=> '',
		);

		$div = array(
			'class'				=> 'acf-media-uploader',
			'data-library' 		=> $field['library'],
			'data-mime_types'	=> $field['mime_types'],
			'data-uploader'		=> $uploader
		);

		include('render_field.php');
	}


	/*
	*  input_admin_enqueue_scripts()
	*
	*  This action is called in the admin_enqueue_scripts action on the edit screen where your field is created.
	*  Use this action to add CSS + JavaScript to assist your render_field() action.
	*
	*  @type	action (admin_enqueue_scripts)
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	n/a
	*  @return	n/a
	*/



	function input_admin_enqueue_scripts() {

		// vars
		$url = $this->settings['url'];
		$version = $this->settings['version'];


		// register & include JS
		wp_register_script('threefo_acf_media_js', "{$url}assets/js/media_field.js", array('acf-input'), $version);
		wp_enqueue_script('threefo_acf_media_js');


		// register & include CSS
		wp_register_style('threefo_acf_media_css', "{$url}assets/css/media_field.css", array('acf-input'), $version);
		wp_enqueue_style('threefo_acf_media_css');

	}




	/*
	*  input_admin_head()
	*
	*  This action is called in the admin_head action on the edit screen where your field is created.
	*  Use this action to add CSS and JavaScript to assist your render_field() action.
	*
	*  @type	action (admin_head)
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	n/a
	*  @return	n/a
	*/

	/*

	function input_admin_head() {



	}

	*/


	/*
   	*  input_form_data()
   	*
   	*  This function is called once on the 'input' page between the head and footer
   	*  There are 2 situations where ACF did not load during the 'acf/input_admin_enqueue_scripts' and
   	*  'acf/input_admin_head' actions because ACF did not know it was going to be used. These situations are
   	*  seen on comments / user edit forms on the front end. This function will always be called, and includes
   	*  $args that related to the current screen such as $args['post_id']
   	*
   	*  @type	function
   	*  @date	6/03/2014
   	*  @since	5.0.0
   	*
   	*  @param	$args (array)
   	*  @return	n/a
   	*/

   	/*

   	function input_form_data( $args ) {



   	}

   	*/


	/*
	*  input_admin_footer()
	*
	*  This action is called in the admin_footer action on the edit screen where your field is created.
	*  Use this action to add CSS and JavaScript to assist your render_field() action.
	*
	*  @type	action (admin_footer)
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	n/a
	*  @return	n/a
	*/

	/*

	function input_admin_footer() {



	}

	*/


	/*
	*  field_group_admin_enqueue_scripts()
	*
	*  This action is called in the admin_enqueue_scripts action on the edit screen where your field is edited.
	*  Use this action to add CSS + JavaScript to assist your render_field_options() action.
	*
	*  @type	action (admin_enqueue_scripts)
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	n/a
	*  @return	n/a
	*/

	/*

	function field_group_admin_enqueue_scripts() {

	}

	*/


	/*
	*  field_group_admin_head()
	*
	*  This action is called in the admin_head action on the edit screen where your field is edited.
	*  Use this action to add CSS and JavaScript to assist your render_field_options() action.
	*
	*  @type	action (admin_head)
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	n/a
	*  @return	n/a
	*/

	/*

	function field_group_admin_head() {

	}

	*/


	/*
	*  load_value()
	*
	*  This filter is applied to the $value after it is loaded from the db
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value (mixed) the value found in the database
	*  @param	$post_id (mixed) the $post_id from which the value was loaded
	*  @param	$field (array) the field array holding all the field options
	*  @return	$value
	*/



	function load_value($value, $post_id, $field) {
		if ($value)
			return json_decode($value, TRUE);

		return $value;
	}




	/*
	*  update_value()
	*
	*  This filter is applied to the $value before it is saved in the db
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value (mixed) the value found in the database
	*  @param	$post_id (mixed) the $post_id from which the value was loaded
	*  @param	$field (array) the field array holding all the field options
	*  @return	$value
	*/

	/*

	function update_value( $value, $post_id, $field ) {

		return $value;

	}

	*/


	/*
	*  format_value()
	*
	*  This filter is appied to the $value after it is loaded from the db and before it is returned to the template
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value (mixed) the value which was loaded from the database
	*  @param	$post_id (mixed) the $post_id from which the value was loaded
	*  @param	$field (array) the field array holding all the field options
	*
	*  @return	$value (mixed) the modified value
	*/

	function format_value($value, $post_id, $field) {
		// bail early if no value
		if (empty($value)) {
			return $value;
		}

		// Return value if it's already an array
		if (is_array($value))
			return $value;

		$decoded = @json_decode($value, TRUE);
		if ($decoded === null && json_last_error() !== JSON_ERROR_NONE)
			return $value;

		return $decoded;
	}


	/*
	*  validate_value()
	*
	*  This filter is used to perform validation on the value prior to saving.
	*  All values are validated regardless of the field's required setting. This allows you to validate and return
	*  messages to the user if the value is not correct
	*
	*  @type	filter
	*  @date	11/02/2014
	*  @since	5.0.0
	*
	*  @param	$valid (boolean) validation status based on the value and the field's required setting
	*  @param	$value (mixed) the $_POST value
	*  @param	$field (array) the field array holding all the field options
	*  @param	$input (string) the corresponding input name for $_POST value
	*  @return	$valid
	*/

	/*

	function validate_value( $valid, $value, $field, $input ){

		// Basic usage
		if( $value < $field['custom_minimum_setting'] )
		{
			$valid = false;
		}


		// Advanced usage
		if( $value < $field['custom_minimum_setting'] )
		{
			$valid = __('The value is too little!','threefo'),
		}


		// return
		return $valid;

	}

	*/


	/*
	*  delete_value()
	*
	*  This action is fired after a value has been deleted from the db.
	*  Please note that saving a blank value is treated as an update, not a delete
	*
	*  @type	action
	*  @date	6/03/2014
	*  @since	5.0.0
	*
	*  @param	$post_id (mixed) the $post_id from which the value was deleted
	*  @param	$key (string) the $meta_key which the value was deleted
	*  @return	n/a
	*/

	/*

	function delete_value( $post_id, $key ) {



	}

	*/


	/*
	*  load_field()
	*
	*  This filter is applied to the $field after it is loaded from the database
	*
	*  @type	filter
	*  @date	23/01/2013
	*  @since	3.6.0
	*
	*  @param	$field (array) the field array holding all the field options
	*  @return	$field
	*/

	/*

	function load_field( $field ) {

		return $field;

	}

	*/


	/*
	*  update_field()
	*
	*  This filter is applied to the $field before it is saved to the database
	*
	*  @type	filter
	*  @date	23/01/2013
	*  @since	3.6.0
	*
	*  @param	$field (array) the field array holding all the field options
	*  @return	$field
	*/

	/*

	function update_field( $field ) {

		return $field;

	}

	*/


	/*
	*  delete_field()
	*
	*  This action is fired after a field is deleted from the database
	*
	*  @type	action
	*  @date	11/02/2014
	*  @since	5.0.0
	*
	*  @param	$field (array) the field array holding all the field options
	*  @return	n/a
	*/

	/*

	function delete_field( $field ) {



	}

	*/


}


// initialize
new threefo_acf_field_media($this->settings);


// class_exists check
endif;

?>