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<?php

add_action('admin_menu', 'create_theme_options_page');

add_action('admin_init', 'register_and_build_fields' );



function create_theme_options_page() {

    add_options_page('Theme Options', 'Theme Options', 'administrator', __FILE__, 'options_page_fn'); }



function register_and_build_fields(){

    register_setting( 'plugin_options', 'plugin_options', 'validate_setting' );

    add_settings_section('main_section', 'Main Settings', 'section_text_fn', __FILE__);

    add_settings_field('color_scheme', 'Color Scheme:', 'color_scheme_setting', __FILE__, 'main_section');

    add_settings_field('logo', 'Logo:', 'logo_setting', __FILE__, 'main_section'); // LOGO

    add_settings_field('banner_heading', 'Banner Heading:', 'banner_heading_setting', __FILE__, 'main_section');

    add_settings_field('adverting_information', 'Advertising Info:', 'advertising_information_setting', __FILE__, 'main_section');

    add_settings_field('ad_one', 'Ad:', 'ad_setting_one', __FILE__, 'main_section'); // Ad1

    add_settings_field('ad_two', 'Second Ad:', 'ad_setting_two', __FILE__, 'main_section'); // Ad2

    }



function options_page_fn() { ?>

    <div id="theme-options-wrap" class="widefat">

        <div class="icon32" id="icon-tools"></div>

        <h2>My Theme Options</h2>

        <p>Take control of your theme, by overriding the default settings with your own specific preferences.</p>

        <form method="post" action="options.php" enctype="multipart/form-data">

            <?php settings_fields('plugin_options'); ?>

            <?php do_settings_sections(__FILE__); ?>

            <p class="submit">

                <input name="Submit" type="submit" class="button-primary" value="<?php esc_attr_e('Save Changes'); ?>" />

            </p>

        </form>

    </div>

<?php }



// Banner Heading

function banner_heading_setting() {

    $options = get_option('plugin_options');

    echo "<input name='plugin_options[banner_heading]' type='text' value='{$options['banner_heading']}' />"; }



// Color Scheme

function  color_scheme_setting() {

    $options = get_option('plugin_options');

    $items = array("Red", "Green", "Blue");

    echo "<select name='plugin_options[color_scheme]'>";

    foreach( $items as $item ) {

        $selected = ( $options['color_scheme'] === $item ) ? 'selected = "selected"' : '';

        echo "<option value='$item' $selected>$item</option>";

    }

    echo "</select>";

}



// Advertising info

function advertising_information_setting() {

    $options = get_option('plugin_options');

    echo "<textarea name='plugin_options[advertising_information]' rows='10' cols='60' type='textarea'>{$options['advertising_information']}</textarea>"; }



// Ad one

function ad_setting_one() { echo '<input type="file" name="ad_one" />'; }



// Ad two

function ad_setting_two() { echo '<input type="file" name="ad_two" />'; }



// Logo

function logo_setting() { echo '<input type="file" name="logo" />'; }



// This function can be used to validate the inputs

function validate_setting($plugin_options) {

    $keys = array_keys($_FILES);

    $i = 0;

    

    foreach( $_FILES as $image ) {

        // if a files was upload

        if ( $image['size'] ) {

            // if it is an image

            if ( preg_match('/(jpg|jpeg|png|gif)$/', $image['type']) ) {

                $override = array('test_form' => false); 

                $file = wp_handle_upload($image, $override);

                $plugin_options[$keys[$i]] = $file['url'];

            } else {

                $options = get_option('plugin_options');

                $plugin_options[$keys[$i]] = $options[$logo];

                wp_die('No image was uploaded.');

            }

         } else { // else, retain the image that's already on file.

            $options = get_option('plugin_options');

            $plugin_options[$keys[$i]] = $options[$keys[$i]];

        }

        $i++;

    }

    return $plugin_options;

}

    

function section_text_fn() {}



// Add stylesheet (replace with your own)

add_action('admin_head', 'admin_register_head');

function admin_register_head() {

    $url = get_bloginfo('template_directory') . '/functions/options_page.css';

    echo "<link rel='stylesheet' href='$url' />n";

} ?>