<?php

// Exit if accessed directly
if (!defined('ABSPATH')) {
    exit;
}

if (!class_exists('ReduxFramework_sortable')) {
    class ReduxFramework_sortable {

        /**
         * Field Constructor.
         *
         * Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function
         *
         * @since Redux_Options 2.0.1
         */
        function __construct($field = array(), $value = '', $parent) {
            $this->parent   = $parent;
            $this->field    = $field;
            $this->value    = $value;
        }

        /**
         * Field Render Function.
         *
         * Takes the vars and outputs the HTML for the field in the settings
         *
         * @since Redux_Options 2.0.1
         */
        function render() {

            if (empty($this->field['mode'])) {
                $this->field['mode'] = "text";
            }

            if ($this->field['mode'] != "checkbox" && $this->field['mode'] != "text") {
                $this->field['mode'] = "text";
            }

            $class = (isset($this->field['class'])) ? $this->field['class'] : '';
            $options = $this->field['options'];

            // This is to weed out missing options that might be in the default
            // Why?  Who knows.  Call it a dummy check.
            if (!empty($this->value)) {
                foreach ($this->value as $k => $v) {
                    if (!isset($options[$k])) {
                        unset($this->value[$k]);
                    }
                }
            }

            $noSort = false;
            foreach ($options as $k => $v) {
                if (!isset($this->value[$k])) {

                    // A save has previously been done.
                    if (array_key_exists($k, $this->value)) {
                        $this->value[$k] = $v;

                        // Missing database entry, meaning no save has yet been done.
                    } else {
                        $noSort = true;
                        $this->value[$k] = '';
                    }
                }
            }

            // If missing database entries are found, it means no save has been done
            // and therefore no sort should be done.  Set the default array in the same
            // order as the options array.  Why?  The sort order is based on the
            // saved default array.  If entries are missing, the sort is messed up.
            // - kp
            if (true == $noSort) {
                $dummyArr = array();

                foreach ($options as $k => $v) {
                    $dummyArr[$k] = $this->value[$k];
                }
                unset($this->value);
                $this->value = $dummyArr;
                unset($dummytArr);
            }

            echo '<ul id="' . $this->field['id'] . '-list" class="redux-sortable ' . $class . '">';


            foreach ($this->value as $k => $nicename) {

                echo '<li>';

                $checked = "";
                $name = 'name="' . $this->field['name'] . '[' . $k . ']' . $this->field['name_suffix'] . '" ';
                if ($this->field['mode'] == "checkbox") {
                    $value_display = $this->value[$k];

                    if (!empty($this->value[$k])) {
                        $checked = 'checked="checked" ';
                    }
                    $class .= " checkbox_sortable";
                    $name = "";
                    echo '<input type="hidden" name="' . $this->field['name'] . '[' . $k . ']' . $this->field['name_suffix'] . '" id="' . $this->field['id'] . '-' . $k . '-hidden" value="' . $value_display . '" />';

                    echo '<div class="checkbox-container">';
                } else {
                    $value_display = isset($this->value[$k]) ? $this->value[$k] : '';

                }
                echo '<input rel="' . $this->field['id'] . '-' . $k . '-hidden" class="' . $class . '" ' . $checked . 'type="' . $this->field['mode'] . '" '.$name.'id="' . $this->field['id'] . '[' . $k . ']" value="' . esc_attr($value_display) . '" placeholder="' . $nicename . '" />';

                echo '<span class="compact drag"><i class="el-icon-move icon-large"></i></span>';
                if ($this->field['mode'] == "checkbox" || (isset($this->field['label']) && $this->field['label'] == true )) {
                    if ($this->field['mode'] != "checkbox") {
                        echo "<br />";
                    }
                    echo '<label for="' . $this->field['id'] . '[' . $k . ']"><strong>' . $options[$k] . '</strong></label>';
                }
                if ($this->field['mode'] == "checkbox") {
                    echo '</div>';
                }
                echo '</li>';
            }
            echo '</ul>';
        }

        function enqueue() {

            wp_enqueue_style(
                'redux-field-sortable-css',
                ReduxFramework::$_url . 'inc/fields/sortable/field_sortable.css',
                time(),
                true
            );

            wp_enqueue_script(
                'redux-field-sortable-js',
                ReduxFramework::$_url . 'inc/fields/sortable/field_sortable' . Redux_Functions::isMin() . '.js',
                array('jquery'),
                time(),
                true
            );
        }
    }
}