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add_action('after_setup_theme', 'wptuts_default_options');

function wptuts_default_options() {
    if (!get_option('wptuts_options')) {
        $options = array(
            'favicon' => '',
            'facebook' => '',
            'twitter' => ''
        );
        update_option('wptuts_options', $options);
    }
}

add_action('admin_menu', 'wptuts_add_page');

function wptuts_add_page() {
    $wptuts_options_page = add_menu_page('wptuts', 'Jawaab Options', 'manage_options', 'wptuts', 'wptuts_options_page');
    add_action('admin_print_scripts-' . $wptuts_options_page, 'wptuts_print_scripts');
}

function wptuts_options_page() {
    ?>
    <div class='wrap'>
        <div id='icon-tools' class='icon32'></br></div>
        <h2>Jawaab General Options Page</h2>
        <?php if (isset($_GET['settings-updated']) && $_GET['settings-updated']) : ?>
            <div class='updated'><p><strong>Settings saved.</strong></p></div>
        <?php endif; ?>
        <form action='options.php' method='post'>
            <?php settings_fields('wptuts_options'); ?>
            <?php do_settings_sections('wptuts'); ?>
            <?php submit_button(); ?>
        </form>
    </div>
    <?php
}

add_action('admin_init', 'wptuts_add_options');

function wptuts_add_options() {
    register_setting('wptuts_options', 'wptuts_options', 'wptuts_options_validate');
    add_settings_section('wptuts_section', 'Jawaab Options Section', 'wptuts_section_callback', 'wptuts');
    add_settings_field('facebook_link', 'Facebook Link', 'facebook_link_callback', 'wptuts', 'wptuts_section');
    add_settings_field('twitter_link', 'Twitter Link', 'twitter_link_callback', 'wptuts', 'wptuts_section');
    add_settings_field('wptuts_favicon', 'Jawaab Favicon', 'wptuts_favicon_callback', 'wptuts', 'wptuts_section');
}

function wptuts_options_validate($values) {
    foreach ($values as $n => $v)
        $values[$n] = $v;
    return $values;
}

function wptuts_section_callback() { /* Print nothing */
}

function facebook_link_callback() {
    $options = get_option('wptuts_options');
    ?>
    <span class='upload'>
        <input type='text' id='facebook' class='regular-text text-upload' name='wptuts_options[facebook]' value='<?php echo esc_url($options["facebook"]); ?>'/>
    </span>
    <?php
}

function twitter_link_callback() {
    $options = get_option('wptuts_options');
    ?>
    <span class='upload'>
        <input type='text' id='twitter' class='regular-text text-upload' name='wptuts_options[twitter]' value='<?php echo esc_url($options["twitter"]); ?>'/>
    </span>
    <?php
}

function wptuts_favicon_callback() {
    $options = get_option('wptuts_options');
    ?>
    <span class='upload'>
        <input type='text' id='wptuts_favicon' class='regular-text text-upload' name='wptuts_options[favicon]' value='<?php echo esc_url($options["favicon"]); ?>'/>
        <input type='button' class='button button-upload' value='Upload an image'/></br>
        <img style='max-width: 300px; display:block' src='<?php echo esc_url($options["favicon"]); ?>' class='preview-upload'/>
    </span>
    <?php
}

function wptuts_print_scripts() {
    wp_enqueue_style('thickbox'); // Stylesheet used by Thickbox
    wp_enqueue_script('thickbox');
    wp_enqueue_script('media-upload');
    wp_enqueue_script('wptuts-upload', get_template_directory_uri() . '/js/wptuts-upload.js', array('thickbox', 'media-upload'));
}

function wptuts_add_favicon() {
    $wptuts_options = get_option('wptuts_options');
    $wptuts_favicon = $wptuts_options['favicon'];
    ?>
    <link rel="icon" type="image/png" href="<?php echo esc_url($wptuts_favicon); ?>">
    <?php
}

add_action('wp_head', 'wptuts_add_favicon');