WP Form Demo

<?php
/*
Plugin Name: WP Settings Form Demo
Plugin URI: http://www.webarnes.ca/wpform
Description: Simplifies making a settings page
Version: 0.99
Author: William Barnes
Author URI: http://www.webarnes.ca
License: GPL2
*/

// WORDPRESS HOOKS

require_once('class.wpform.php');
$WPFD = new WP_Form_Demo();

class WP_Form_Demo
{
    function __construct()
    {
        add_action('admin_init',array($this, 'admin_init'));
        add_action('admin_menu',array($this, 'admin_menu'));

        $this->simple_settings = array(
            "option_name" => "wpdemo_simple",
            "validator" => array($this,"simple_validator"),
            "sections" => array(
                array(
                    "title" => "Simple Settings Form",
                    "text" => "<p>This is a simple form.</p>",
                    "fields" => array(
                        array(
                            "name" => "title",
                            "label" => "Title",
                            "type" => "text",
                            "size" => 60
                        ),
                        array(
                            "name" => "tags",
                            "label" => "Tags",
                            "description" => "Comma-separated list of tags that will be applied to each post",
                            "type" => "text", // Boolean, dropdown, text, categories, authors
                            "validator" => array(
                                "type" => "preg_replace",
                                "pattern" =>"|[^a-zA-Z0-9, _-]|",
                                "replacement" => ""
                            )
                        ),
                        array(
                            "name" => "categories",
                            "label" => "Categories",
                            "type" => "categories", // Boolean, select, categories, tags, maybe
                            "validator" => array(
                                "type" => "numeric"
                            )
                        ),
                        array(
                            "name" => "author",
                            "label" => "Author",
                            "type" => "authors", // Boolean, select, categories, tags, maybe
                            "validator" => array(
                                "type" => "numeric"
                            )
                        )
                    )
                )
            )
        );

        $this->multi_settings = array(
            "option_name" => "wpdemo_multi",
            "multi" => array(
                "list_title" => "Rows",
                "new_title" => "Add a new row",
                /* "new_fields" replaces the "Add a new row" button with a form.
                 * You can use the values in that form to initialize the main
                 * form or add sections based on the choice.
                 */
                /*"new_fields" => array(
                    array(
                        "name" => "type",
                        "label" => "Row Type",
                        "type" => "dropdown"
                        "options" => array(
                            "1" => "One",
                            "2" => "Two",
                        )
                    )
                ),*/
                "table_fields" => array(
                    array('name'=>'title','label'=>'Title','link'=>true),
                    array('name'=>'timestamp','type'=>'timestamp','label'=>'Timestamp','width'=>'250px'),
                    array('name'=>'enabled','label'=>'Enabled','width'=>'50px')
                ),
                // Example multi-row action buttons, provide a callback as below
                "table_buttons" => array(
                    "pause" => array('label'=>'Disable','callback'=>array($this,'on_pause')),
                    "unpause" => array('label'=>'Enable','callback'=>array($this,'on_unpause'))
                )
            ),
            "defaults" => array(
                "enabled" => 1,
                "timestamp" => time()
            ),
            "sections" => array(
                array(
                    "title" => "First Section",
                    "fields" => array(
                        array(
                            "name" => "title",
                            "label" => "Title",
                            "type" => "text",
                            "description" => "Give the feed a unique title so you can identify it later.",
                            "validator" => false
                        )
                    )
                ),
                array(
                    "title" => "Second section",
                    "fields" => array(
                        array(
                            "name" => "website",
                            "label" => "Website",
                            "type" => "text",
                            "validator" => array(
                                "type" => "url"
                            )
                        ),
                        array(
                            "name" => "three",
                            "label" => "Third field",
                            "type" => "text",
                            "validator" => false
                        ),
                        array(
                            "name" => "four",
                            "label" => "Fourth",
                            "type" => "text",
                            "validator" => false
                        ),
                        array(
                            "name" => "five",
                            "label" => "Last field",
                            "type" => "text",
                            "validator" => false
                        )
                    )
                )
            )
        );
    }

    // Initialize the forms
    function admin_init()
    {
        $page = isset($_GET['page']) ? $_GET['page'] : '';
        switch ($page):
            case "wpformdemo":
                $this->simple_form = new WP_Settings_Form($this->simple_settings);
                $this->simple_form->register();
                break;

            case "wpformdemo/list":
                $this->multi_form = new WP_Settings_Form($this->multi_settings);
                $this->multi_form->register();
                break;

            case "wpformdemo/combined":
                $this->simple_form = new WP_Settings_Form($this->simple_settings);
                $this->simple_form->register();
                $this->multi_form  = new WP_Settings_Form($this->multi_settings);
                $this->multi_form->register();
                break;
        endswitch;
    }

    // Create the menu
    function admin_menu()
    {
        add_menu_page('WP Form Demo','WP Form Demo','manage_options','wpformdemo',array($this, 'admin_page'));
        add_submenu_page('wpformdemo','Simple','Simple','manage_options','wpformdemo',array($this, 'admin_page'));
        add_submenu_page('wpformdemo','List','List','manage_options','wpformdemo/list',array($this, 'admin_page'));
        add_submenu_page('wpformdemo','Combined','Combined','manage_options','wpformdemo/combined',array($this, 'admin_page'));
    }

    // Echo the page content
    function admin_page()
    {
        switch ($_GET['page']):
            case "wpformdemo":
                echo '<div class="wrap"><h2>Simple Form</h2>';
                $this->simple_form->echo_settings_page();
                echo '</div>';
                break;

            case "wpformdemo/list":
                echo '<div class="wrap"><h2>List Form</h2>';
                $this->multi_form->echo_settings_page();
                echo '</div>';
                break;

            case "wpformdemo/combined":
                echo '<div class="wrap"><h2>Simple/List Combined Form</h2>';
                $this->multi_form->echo_settings_page();
                echo '<hr />';
                $this->simple_form->echo_settings_page();
                echo '</div>';
                break;
        endswitch;
    }

    // Callbacks
    public function simple_validator($test_value,$old_value,$field)
    {
        // A smarter approach would be to make this actually do some validation
        return $test_value;
    }

    public function on_pause($row)
    {
        $row['enabled'] = 0;
        return $row;
    }

    public function on_unpause($row)
    {
        $row['enabled'] = 1;
        return $row;
    }
}
?>