<?php
for ( $i = 0; $i < $depth = 10; $i++ ) {
    $wp_root_path = str_repeat( '../', $i );

    if ( file_exists("{$wp_root_path}wp-load.php" ) ) {
        require_once("{$wp_root_path}wp-load.php");
        require_once("{$wp_root_path}wp-admin/includes/admin.php");
        break;
    }
}

auth_redirect();

$form_id = $_GET["id"];
if(empty($form_id)){
    echo __("Oops! We could not locate your form. Please try again.", "gravityforms");
    exit;
}

//reading form metadata
$form = RGFormsModel::get_form_meta($form_id);

?>
<html>
    <head>
        <?php
        wp_print_styles(array("wp-admin", "colors-fresh"));
        ?>
        <script src="<?php echo GFCommon::get_base_url()?>/js/jquery-1.3.2.min.js?ver=<?php echo GFCommon::$version ?>"></script>
        <script src="<?php echo GFCommon::get_base_url()?>/js/jquery-ui/ui.core.js?ver=<?php echo GFCommon::$version ?>"></script>
        <script src="<?php echo GFCommon::get_base_url()?>/js/jquery-ui/ui.sortable.js?ver=<?php echo GFCommon::$version ?>"></script>

        <style type="text/css">
            body {font-family:"Lucida Grande",Verdana,Arial,sans-serif;}
            #sortable_available, #sortable_selected { list-style-type: none; margin: 0; padding: 2px; height:250px; border:1px solid #eaeaea; -moz-border-radius:4px; -webkit-border-radius:4px; -khtml-border-radius:4px; border-radius:4px  background-color:#FFF;}
            #sortable_available li, #sortable_selected li { margin: 0 2px 2px 2px; padding:2px; width: 96%; border:1px solid white; cursor:pointer; font-size: 13px;}
            .field_hover { border: 1px dashed #2175A9!important;}
            .placeholder{background-color: #FFF0A5; height:20px;}
            .gcolumn_wrapper {overflow:auto; height:290px;}
            .gcolumn_container_left, .gcolumn_container_right {width:46%;}
            .gcolumn_container_left {float:left;}
            .gcolumn_container_right {float:right;}
            .gform_select_column_heading{font-weight:bold; padding-bottom:7px; font-size:13px;}
            .column-arrow-mid {float:left; width:45px; height:250px; background-image:url(images/arrow-rightleft.jpg); background-repeat:no-repeat; background-position:center center; margin-top:26px;}
            .panel-instructions {border-bottom: 1px solid #dfdfdf; color:#555; font-size:11px; padding:4px 0; margin-bottom:6px}
            div.panel-buttons {margin-top:8px}
            div.panel-buttons {*margin-top:0px} /* ie specific */
        </style>

        <script type="text/javascript">
            jQuery(document).ready(function() {

                jQuery("#sortable_available, #sortable_selected").sortable({connectWith: '.sortable_connected', placeholder: 'placeholder'});

                jQuery(".sortable_connected li").hover(
                    function(){
                        jQuery(this).addClass("field_hover");
                    },
                    function(){
                        jQuery(this).removeClass("field_hover");
                    }
                );

            });
            var columns = new Array();

            function SelectColumns(){
                jQuery("#sortable_selected li").each(function(){
                    columns.push(this.id);
                });
                self.parent.parent.ChangeColumns(columns);
            }
        </script>

    </head>
    <body>
        <?php
        $columns = RGFormsModel::get_grid_columns($form_id);
        $field_ids = array_keys($columns);
        $form = RGFormsModel::get_form_meta($form_id);
        array_push($form["fields"],array("id" => "id" , "label" => __("Entry Id", "gravityforms")));
        array_push($form["fields"],array("id" => "date_created" , "label" => __("Entry Date", "gravityforms")));
        array_push($form["fields"],array("id" => "ip" , "label" => __("User IP", "gravityforms")));
        array_push($form["fields"],array("id" => "source_url" , "label" => __("Source Url", "gravityforms")));
        array_push($form["fields"],array("id" => "payment_status" , "label" => __("Payment Status", "gravityforms")));
        array_push($form["fields"],array("id" => "transaction_id" , "label" => __("Transaction Id", "gravityforms")));
        array_push($form["fields"],array("id" => "payment_amount" , "label" => __("Payment Amount", "gravityforms")));
        array_push($form["fields"],array("id" => "payment_date" , "label" => __("Payment Date", "gravityforms")));
        array_push($form["fields"],array("id" => "created_by" , "label" => __("User", "gravityforms")));

        ?>
        <div class="panel-instructions"><?php _e("Drag & drop to order and select which columns are displayed in the entries table.", "gravityforms") ?></div>
        <div class="gcolumn_wrapper">
            <div class="gcolumn_container_left">
                <div class="gform_select_column_heading"><?php _e("Active Columns", "gravityforms"); ?></div>
                <ul id="sortable_selected" class="sortable_connected">
                    <?php
                    foreach($columns as $field_id => $field_info){
                        ?>
                        <li id="<?php echo $field_id?>"><?php echo esc_html($field_info["label"]) ?></li>
                        <?php
                    }
                    ?>
                </ul>
            </div>

            <div class="column-arrow-mid"></div>

            <div class="gcolumn_container_right" id="available_column">
                <div class="gform_select_column_heading"> <?php _e("Inactive Columns", "gravityforms"); ?></div>
                <ul id="sortable_available" class="sortable_connected">
                    <?php
                    foreach($form["fields"] as $field){
                        if(RGFormsModel::get_input_type($field) == "checkbox" && !in_array($field["id"], $field_ids)){
                            ?>
                            <li id="<?php echo $field["id"]?>"><?php echo esc_html(rgar($field,"label")) ?></li>
                            <?php
                        }

                        if(is_array(rgar($field, "inputs"))){
                            foreach($field["inputs"] as $input){
                                if(!in_array($input["id"], $field_ids) && !($field["type"] == "creditcard" && in_array($input["id"], array(floatval("{$field["id"]}.2"), floatval("{$field["id"]}.3")))) ){
                                    ?>
                                    <li id="<?php echo $input["id"]?>"><?php echo esc_html(GFCommon::get_label($field, $input["id"])) ?></li>
                                    <?php
                                }
                            }
                        }
                        else if(!rgar($field, "displayOnly") && !in_array($field["id"], $field_ids) && RGFormsModel::get_input_type($field) != "list"){
                            ?>
                            <li id="<?php echo $field["id"]?>"><?php echo  esc_html($field["label"]) ?></li>
                            <?php
                        }
                    }
                    ?>
                </ul>
            </div>
        </div>

        <div class="panel-buttons">
            <input type="button" value="  <?php _e("Save", "gravityforms"); ?>  " class="button-primary" onclick="SelectColumns();"/>&nbsp;
            <input type="button" value="<?php _e("Cancel", "gravityforms"); ?>" class="button" onclick="self.parent.tb_remove();"/>
        </div>

    </body>
</html>

<?php
function rg_has_field_id($id, $field_ids){
    foreach($field_ids as $field_id){
        if(is_numeric($id) && is_numeric($field_id) && intval($id) == intval($field_id))
            return true;
        if($id == $field_id)
            return true;

    }
    return false;
}