<?php

// add hook
$plugins->add_hook('toolbar_container_collect', 'plugin_name_collect');

/*
 * Plugin info function
 */
function plugin_name_info() {
   // some info
}

function plugin_name_activate() {
}

function plugin_name_deactivate() {
}

/**
 * The Hook Function
 * -----------------
 * Function to fill the items attribute of the ItemCollector object
 * that declared on toolbar_contanier plugin. This function only executed
 * when Toolbar Container plugin is active.
 *
 * @param ItemCollector &$ic
 * @return void
 */
function plugin_name_collect(&$ic) {
   // the javascript callback function
   // called when button clicked
   $callback = "
      var ask_me = prompt('What do you think?', '');
      if (ask_me == null) return;
      if (ask_me != '') {
         ask_me = '=' + ask_me;
      }
      // inject to editor
      clickableEditor.performInsert('[sometag' + ask_me + '][/sometag]', '', true, false);
   ";
   $toolbar = array(
      'id'     => 'plugin_name_v10', // make sure it's unique, add version number to make sure
      'name'   => 'plugin_name',
      'image'  => 'plugin-logo.png',
      'callback' => $callback,
      'title'  => 'Some plugin description'
   );
   $ic->collect_item($toolbar);
}

?>