WP / Test Gallery Plugin

<?php
/*
Plugin Name: test88
Plugin URI: http://test.org
Description: test plugin
Version: 4.44
Author: Kitsune
Author URI: http://test.org
*/


add_action('init','zzz_init_func');
add_action('admin_menu', 'zzz_test_menu');
add_action('wp_head','zzz_head_scripts');
add_action('wp_enqueue_scripts', 'zzz_test_scripts');
add_action('admin_enqueue_scripts', 'zzz_admin_scripts');

add_shortcode('test88_pic','zzz_shortcode');

add_action('wp_ajax_getmessage', 'zzz_ajaxfunc');
add_action('wp_ajax_nopriv_getmessage', 'zzz_ajaxfunc');
add_action('widgets_init','zzz_widgetsinit');

add_action('activate_test88/test88.php', 'zzz_activateplugin');

//--------------------------------- init
function zzz_init_func()  {

   if ((!current_user_can('edit_posts')) && (!current_user_can('edit_pages')))
      return;

    if (get_user_option('rich_editing')==true) {
        add_filter('mce_external_plugins', 'zzz_add_mce_plugin');
        add_filter('mce_buttons','zzz_mce_regbutton');
    }
}
//--------------------------------- mce_external_plugins

function zzz_add_mce_plugin($plugin_array)  {
   $plugin_array['test88_pics'] = plugins_url('test88/mce_test88.js');
   return $plugin_array;
}
//--------------------------------- mce_buttons

function zzz_mce_regbutton($buttons)  {
   array_push($buttons, 'separator', 'test88_pics_button');
   return $buttons;
}
//--------------------------------- admin_menu
function zzz_test_menu() {
   add_menu_page(__('Test88 Pics Page'), __('Test88 Pics Page'), 'activate_plugins', 'test88/main_admin_page.php');
   add_submenu_page('test88/main_admin_page.php', __('Options Page'), __('Options Page'), 'activate_plugins', 'test88/sub_admin_page.php');
}
//--------------------------------- wp_head

function zzz_head_scripts() {

   $test_opt = get_option('zzzz_render');
   if ($test_opt['style']=='slide') {

   ?>
      <script type="text/javascript">
         jQuery(document).ready(
            function() {
               jQuery('.ajax_button').click(zClick);
            }
         )
      </script>

      <style type="text/css">
         .gallery {
            position: relative;
         }
      </style>

      <?php
      }
}
//--------------------------------- wp_enqueue_scripts

function zzz_test_scripts() {

   /*if (@file_exists(TEMPLATEPATH.'/test88.css')) {
      wp_enqueue_style('test88_style', get_stylesheet_directory_uri().'/test88.css');
   }*/

   if (@file_exists(plugins_url('test88/base.css')))
      wp_enqueue_style('test88_base_style', plugins_url('test88/base.css'));

   $test_opt = get_option('zzzz_render');

   if ($test_opt['style']=='slide') {
      wp_enqueue_script('test88_slide_js', plugins_url('test88/slide.js'), array('jquery'));

      $ajax_nonce = wp_create_nonce('querty');

      wp_localize_script('test88_slide_js', 't88slide',
         array ('ajax_url'=>admin_url('admin-ajax.php',(is_ssl() ? 'https' : 'http')),
        'container'=>'ajax_container', 'ajax_nonce' => $ajax_nonce)
      );
   }
}
//--------------------------------- admin_enqueue_scripts

function zzz_admin_scripts() {
}

//--------------------------------- shortcode

function zzz_shortcode($atts) {

   extract (
      shortcode_atts(
         array('title'=>'Test88 Gallery', 'sclass'=>'gallery'))
         );

    $test_opt = get_option('zzzz_render');

    $out = '<div class="'.$sclass.'" style="background:'.$test_opt['background'].';"><h3>'.$title.'</h3>';

    global $wpdb;
    $pics = $wpdb->get_results("SELECT id, pic_address FROM pics_test88 ORDER BY id DESC LIMIT 12");

    foreach ($pics as $pic) {
       $out.='<img src="'.$pic->pic_address.'" />';
    }

    if ($test_opt['style']=='slide') {
       $out .= '<div><input type="button" class="ajax_button" value="load" />'.
       '</div><div id="ajax_container">ajax container</div>';
    }
    $out.='</div>';
    return $out;
}

//---------------------------------

/*function set_schedule() {
   wp_clear_scheduled_hook('test88_cron');

   if (!wp_next_scheduled('test88_cron'))
      wp_schedule_event(time(), 'twicedaily', 'test88_cron');
}
//---------------------------------
add_action('test88_cron', 'zzz_cron_action');

//--------------------------------- test88_cron
function zzz_cron_action() {

   $tmp = get_option('zzzz_counter');
   $inf4 = update_option('zzzz_counter', $tmp+1);
}*/

//--------------------------------- wp_ajax_getmessage / wp_ajax_nopriv_getmessage
function zzz_ajaxfunc() {

   global $wpdb, $user_identity, $user_ID;

   if (!check_ajax_referer('querty', 'security', false)) {
       _e('Failed to Verify Referer');
         exit();
         }
   echo 'test ajax return 4';

}

//---------------------------------
class WP_Widget_test88 extends WP_Widget {

   //------------------
   function WP_Widget_test88() {

      $widget_opts = array('description'=>__('WP test88 Pics Widget'));
      $this->WP_Widget('test88-widget',__('Tes88'), $widget_opts);
   }
   //------------------
   function widget($args, $instance) {

      extract($args);

      $title = apply_filters('widget_title', esc_attr($instance['title']));
      $bkg_id = intval($instance['bkg_id']);

      echo $before_widget;
      echo $before_title;
      echo $title;
      echo $after_title;

      switch ($bkg_id) {
         case 0: $bkg='#444';break;
         case 4: $bkg='#eee';break;
         case 5: $bkg='red';break;
         default: $bkg='green';
      }

      $out = '<div style="background:'.$bkg.';"><h3>'.$title.'</h3>';

      global $wpdb;
          $wpdb->show_errors();
      $pics = $wpdb->get_results("SELECT id, pic_address FROM pics_test88 ORDER BY id DESC LIMIT 12");
       foreach ($pics as $pic) {
          $out.='<img src="'.$pic->pic_address.'" />';
      }
      $out.='</div>';
          echo $out;

      echo $after_widget;
   }
   //------------------
   function update($new_instance, $old_instance) {

      $instance = $old_instance;
      $instance['title'] = strip_tags($new_instance['title']);
      $instance['bkg_id'] = intval($new_instance['bkg_id']);
      return $instance;
   }
   //------------------
   function form($instance) {

      $instance =
        wp_parse_args( (array)$instance,
         array('title'=>__('Test88 widget'),
               'test_id'=>0)
         );

      $title = esc_attr($instance['title']);
      $test_id = intval($instance['test_id']);

      echo '<input id="'.$this->get_field_id('title').'" name="'.
           $this->get_field_name('title').'" type="text" value="'.$title.'" /><br/>';

      echo '<select name="'.$this->get_field_name('bkg_id').'" id="'.$this->get_field_id('bkg_id').'">';
      echo '<option value="0" '.selected(0, $test_id).'>'.'Dark background'.'</option>';
      echo '<option value="4" '.selected(4, $test_id).'>'.'Light background'.'</option>';
      echo '<option value="5" '.selected(5, $test_id).'>'.'Red background'.'</option>';
      echo '</select><br/>';
   }
}

//--------------------------------- widgets_init
function zzz_widgetsinit() {
   register_widget('WP_Widget_test88');
}

//--------------------------------- activate_test88/test88.php
function zzz_activateplugin() {

   global $wpdb;

   $sq = "CREATE TABLE pics_test88 (
          id int(10) NOT NULL auto_increment,
          pic_address varchar(500) NOT NULL default '',
          PRIMARY KEY (id));";

   include_once(ABSPATH.'/wp-admin/includes/upgrade.php');

   /*$wpdb->show_errors();
   maybe_create_table($wpdb->pics_test88, $sq);*/

   dbDelta($sq);

   $tmp = $wpdb->get_var("SELECT id FROM pics_test88 LIMIT 1");
   if (empty($tmp)) {
      $tmp4 = $wpdb->query("INSERT INTO pics_test88 VALUES(1,
          'http://bigpicture.ru/wp-content/uploads/2012/09/Long-Exposure-Fireworks-12.jpg');");
   }

   add_option('zzzz_render',array('style' => 'default', 'background' => '#d8e1eb'));
   add_option('zzzz_latest_id',0);

   $role = get_role('administrator');
   if (!$role->has_cap('manage_test88'))
      $role->add_cap('manage_test88');

   //set_schedule();
}

?>

<?php
/*------------------------------------------------------------------------------
           main_admin_page.php
-------------------------------------------------------------------------------*/
if (!current_user_can('manage_test88'))
   die('Access denied');


$base_name = plugin_basename('test88/main_admin_page.php');
$base_page = 'admin.php?page='.$base_name;

//----------------------------------
if (!empty($_POST['do'])) {

   check_admin_referer('add-test88');

   $pic_addr = trim($_POST['pic_addr']);
   $wpdb->show_errors();
   $addpic = $wpdb->query("INSERT INTO pics_test88 VALUES(0, '$pic_addr')");
   if (!$addpic) {
      $tx = '<p style="color:red">error in adding picture</p>';
   } else {
      $tx = '<p style="color:green">picture successfully added</p>';
      $insid = intval($wpdb->insert_id);

      update_option('zzzz_latest_id', $insid);
      }

  echo $tx;
}
//----------------------------------

?>
<h3>Add picture</h3>
<form method="post" action="<?php echo admin_url('admin.php?page='.plugin_basename(__FILE__)); ?>">

   <?php wp_nonce_field('add-test88'); ?>

   <p>Input picture address: <input type="text" name="pic_addr" size="70" value="" /></p>
   <input type="submit" name="do" value="<?php _e('Add pic');?>" />
</form>

<?php
//----------------------------------


?>

<?php
/*------------------------------------------------------------------------------
           sub_admin_page.php
-------------------------------------------------------------------------------*/
if (!current_user_can('manage_test88'))
   die('Access denied');


$base_name = plugin_basename('test88/sub_admin_page.php');
$base_page = 'admin.php?page='.$base_name;

if (isset($_POST['submit'])) {

   check_admin_referer('options-test88');

   $zz_style = strip_tags(trim($_POST['zz_style']));
   $zz_background = strip_tags(trim($_POST['zz_background']));

   $zzzz_render = array('style'=>$zz_style, 'background'=>$zz_background);

   $tst = update_option('zzzz_render', $zzzz_render);

   if (!$tst) {
      $tx = '<p style="color:red">error updating option</p>';
   } else {
      $tx = '<p style="color:green">option successfully updated</p>';
   }

   echo $tx;

}
//------------------------------------------
?>
<form method="post" action="<?php echo admin_url('admin.php?page='.plugin_basename(__FILE__)); ?>">

<?php

   wp_nonce_field('options-test88');

   $zzzz_render = get_option('zzzz_render');
?>

   <h3>select image box style</h3>
   <p>default style <input type="radio" name="zz_style" value="default" <?php checked('default',$zzzz_render['style']);?> /></p>
   <p>slide style <input type="radio" name="zz_style" value="slide" <?php checked('slide', $zzzz_render['style']);?> /></p>

   <h3>select image box background</h3>
   <p><input type="text" name="zz_background" value="<?php echo $zzzz_render['background'];?>" /></p>

   <p><input type="submit" name="submit" value="<?php _e('Save options'); ?>" /></p>
</form>


/*-----------------------------------------------------------
                    slide.js
-----------------------------------------------------------*/

function zClick() {

jQuery.ajax({
   type:'GET',

   url: t88slide.ajax_url,

   data: 'action=getmessage&security='+t88slide.ajax_nonce,
   cache: false,
   success: onSuccess})

   }

function onSuccess(data) {
   var el = document.getElementById(t88slide.container);
   el.innerHTML = data;
}