acf-icon_font-v5.php

<?php

class acf_field_icon_font 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
    */

    private $selectedIcon = null;
    private $iconNames = array();

    function __construct()
    {

        /*
        *  name (string) Single word, no spaces. Underscores allowed
        */

        $this->name = 'icon_font';


        /*
        *  label (string) Multiple words, can include spaces, visible when selecting a field type
        */

        $this->label = __('Icon Font', 'acf-icon_font');


        /*
        *  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();


        /*
        *  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('icon_font', 'error');
        */

        $this->l10n = array(
            'error' => __('Error! Please select another value', 'acf-icon_font'),
        );

        $this->settings = array(
            'path' => dirname(__FILE__),
            'dir' => $this->helpers_get_dir(__FILE__),
            'version' => '1.0'
        );

        $this->selectedIcon = null;
        $fontInfo = file_get_contents($this->settings['path'] . '/font-info.json');
        $fontInfo = json_decode($fontInfo);

        $this->iconNames = $fontInfo->iconClasses;


        // 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)
    {

        /*
        *  acf_render_field_setting
        *
        *  This function will create a setting for your field. Simply pass the $field parameter and an array of field settings.
        *  The array of settings does not require a `value` or `prefix`; These settings are found from the $field array.
        *
        *  More than one setting can be added by copy/paste the above code.
        *  Please note that you must also have a matching $defaults value for the field name (font_size)
        */

        acf_render_field_setting($field, array(
            'label' => __('Default Icon', 'acf-icon_font'),
            'instructions' => '',
            'type' => 'select',
            'name' => 'default_icon',
            'class' => 'el-line',
            'choices' => $this->iconNames
        ));

    }


    /*
    *  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)
    {
        $this->selectedIcon = (isset($field['value'])) ? $field['value'] : null;
        if (!is_null($field['default_icon']) && is_null($field['value']))
            $this->selectedIcon = $field['default_icon'];

        echo '<div class="ef-icon-wrapper">';
        echo '<div class="ef-icon-preview ' . $this->selectedIcon . '"></div>';
        echo '<select id="' . $field['id'] . '" class="' . $field['class'] . ' icon-font-selector " name="' . $field['name'] . '">';

        if (is_array($this->iconNames)) {
            foreach ($this->iconNames as $key => $value) {
                $selected = ($this->selectedIcon == $value) ? "selected='selected'" : null;
                echo '<option class="' . $value . '" value="' . $value . '" ' . $selected . '>' . $value . '</option>';
            }
        }
        echo '</select>';
        echo '</div>';

    }


    /*
    *  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()
    {

        $dir = plugin_dir_url(__FILE__);

        // register & include JS
        wp_register_script('acf-input-icon_font_js', "{$dir}js/input.js");
        wp_enqueue_script('acf-input-icon_font_js');

        // register & include CSS
        wp_register_style('acf-input-icon_font_el', "{$dir}css/et-line.css");
        wp_register_style('acf-input-icon_font_input', "{$dir}css/input.css");
        wp_enqueue_style('acf-input-icon_font_el');
        wp_enqueue_style('acf-input-icon_font_input');


    }


    /*
    *  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)
    {

        $this->selectedIcon = $value;
        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;

        }


        // apply setting
        if( $field['font_size'] > 12 ) {

            // format the value
            // $value = 'something';

        }


        // return
        return $value;
    }

    */


    /*
    *  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!','acf-icon_font'),
        }


        // 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 ) {



    }

    */

    function helpers_get_dir($file)
    {

        $dir = trailingslashit(dirname($file));
        $count = 0;
        // sanitize for Win32 installs
        $dir = str_replace('\\', '/', $dir);

        // if file is in plugins folder
        $wp_plugin_dir = str_replace('\\', '/', WP_PLUGIN_DIR);
        $dir = str_replace($wp_plugin_dir, plugins_url(), $dir, $count);
        if ($count < 1) {
            // if file is in wp-content folder
            $wp_content_dir = str_replace('\\', '/', WP_CONTENT_DIR);
            $dir = str_replace($wp_content_dir, content_url(), $dir, $count);
        }
        if ($count < 1) {
            // if file is in ??? folder
            $wp_dir = str_replace('\\', '/', ABSPATH);
            $dir = str_replace($wp_dir, site_url('/'), $dir);
        }

        return $dir;
    }


}


// create field
new acf_field_icon_font();