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@da1nonly

da1nonly/gist:2057532

Created March 17, 2012 10:55
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  1. da1nonly created this gist Mar 17, 2012.
    139 changes: 139 additions & 0 deletions gistfile1.aw
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,139 @@
    <?php

    add_action('admin_init', 'add_meta_boxes', 1);
    function add_meta_boxes() {
    add_meta_box( 'repeatable-fields', 'Audio Playlist', 'repeatable_meta_box_display', 'post', 'normal', 'high');
    }

    function repeatable_meta_box_display() {
    global $post;

    $repeatable_fields = get_post_meta($post->ID, 'repeatable_fields', true);


    wp_nonce_field( 'repeatable_meta_box_nonce', 'repeatable_meta_box_nonce' );
    ?>
    <script type="text/javascript">
    jQuery(document).ready(function($) {
    $('.metabox_submit').click(function(e) {
    e.preventDefault();
    $('#publish').click();
    });
    $('#add-row').on('click', function() {
    var row = $('.empty-row.screen-reader-text').clone(true);
    row.removeClass('empty-row screen-reader-text');
    row.insertBefore('#repeatable-fieldset-one tbody>tr:last');
    return false;
    });
    $('.remove-row').on('click', function() {
    $(this).parents('tr').remove();
    return false;
    });

    $('#repeatable-fieldset-one tbody').sortable({
    opacity: 0.6,
    revert: true,
    cursor: 'move',
    handle: '.sort'
    });
    });
    </script>

    <table id="repeatable-fieldset-one" width="100%">
    <thead>
    <tr>
    <th width="2%"></th>
    <th width="30%">Name</th>
    <th width="60%">URL</th>
    <th width="2%"></th>
    </tr>
    </thead>
    <tbody>
    <?php

    if ( $repeatable_fields ) :

    foreach ( $repeatable_fields as $field ) {
    ?>
    <tr>
    <td><a class="button remove-row" href="#">-</a></td>
    <td><input type="text" class="widefat" name="name[]" value="<?php if($field['name'] != '') echo esc_attr( $field['name'] ); ?>" /></td>

    <td><input type="text" class="widefat" name="url[]" value="<?php if ($field['url'] != '') echo esc_attr( $field['url'] ); else echo 'http://'; ?>" /></td>
    <td><a class="sort">|||</a></td>

    </tr>
    <?php
    }
    else :
    // show a blank one
    ?>
    <tr>
    <td><a class="button remove-row" href="#">-</a></td>
    <td><input type="text" class="widefat" name="name[]" /></td>


    <td><input type="text" class="widefat" name="url[]" value="http://" /></td>
    <td><a class="sort">|||</a></td>

    </tr>
    <?php endif; ?>

    <!-- empty hidden one for jQuery -->
    <tr class="empty-row screen-reader-text">
    <td><a class="button remove-row" href="#">-</a></td>
    <td><input type="text" class="widefat" name="name[]" /></td>


    <td><input type="text" class="widefat" name="url[]" value="http://" /></td>
    <td><a class="sort">|||</a></td>

    </tr>
    </tbody>
    </table>

    <p><a id="add-row" class="button" href="#">Add another</a>
    <input type="submit" class="metabox_submit" value="Save" />
    </p>

    <?php
    }

    add_action('save_post', 'repeatable_meta_box_save');
    function repeatable_meta_box_save($post_id) {
    if ( ! isset( $_POST['repeatable_meta_box_nonce'] ) ||
    ! wp_verify_nonce( $_POST['repeatable_meta_box_nonce'], 'repeatable_meta_box_nonce' ) )
    return;

    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE)
    return;

    if (!current_user_can('edit_post', $post_id))
    return;

    $old = get_post_meta($post_id, 'repeatable_fields', true);
    $new = array();


    $names = $_POST['name'];
    $urls = $_POST['url'];

    $count = count( $names );

    for ( $i = 0; $i < $count; $i++ ) {
    if ( $names[$i] != '' ) :
    $new[$i]['name'] = stripslashes( strip_tags( $names[$i] ) );


    if ( $urls[$i] == 'http://' )
    $new[$i]['url'] = '';
    else
    $new[$i]['url'] = stripslashes( $urls[$i] ); // and however you want to sanitize
    endif;
    }

    if ( !empty( $new ) && $new != $old )
    update_post_meta( $post_id, 'repeatable_fields', $new );
    elseif ( empty($new) && $old )
    delete_post_meta( $post_id, 'repeatable_fields', $old );
    }