Code for the modified em-events-manager.php file. Changes in lines 4,7,12,14,16,25-26,81-85,165

gistfile1.aw

<?php
/**
  * @author marcus
  * modified by John Sundberg
  * Standard events list widget
  */
 class EM_Widget_by_category extends WP_Widget {//changed
 
     var $defaults;
 
     /** constructor */
     function EM_Widget_by_category() {//changed
$this->defaults = <a href="http://www.php.net/array">array</a>(
             'title' => __('Events by Category','dbem'),//changed
'scope' => 'future',
             'category' => 0,// this adds 'category' to the widget's function
'order' => 'ASC',
             'limit' => 5,
             'format' => '#_LINKEDNAME<ul><li>#j #M #y</li><li>#_TOWN</li></ul>',
             'nolistwrap' => false,
             'orderby' => 'start_date,start_time,name',
             'all_events' => 0,
             'all_events_text' => __('all events', 'dbem')
         );
         $widget_ops = <a href="http://www.php.net/array">array</a>('description' => __( "Display a list of events on Events Manager by category.", 'dbem') ); //changed
parent::WP_Widget(false, $name = 'Events by Category', $widget_ops);    //changed
}
 
     /** @see WP_Widget::widget */
     function widget($args, $instance) {
         $instance = <a href="http://www.php.net/array_merge">array_merge</a>($this->defaults, $instance);
         $instance = $this->fix_scope($instance); // depcreciate
         echo $args['before_widget'];
         echo $args['before_title'];
         echo $instance['title'];
         echo $args['after_title'];
         $instance['owner'] = false;
 
         $events = EM_Events::get($instance);
         echo "<ul>";
         $li_wrap = !<a href="http://www.php.net/preg_match">preg_match</a>('/^<li>/i', <a href="http://www.php.net/trim">trim</a>($instance['format']));
         if ( <a href="http://www.php.net/count">count</a>($events) > 0 ){
             foreach($events as $event){
                 if( $li_wrap ){
                     echo '<li>'. $event->output($instance['format']) .'</li>';
                 }else{
                     echo $event->output($instance['format']);
                 }
             }
         }else{
             echo '<li>'.__('No events', 'dbem').'</li>';
         }
         if ( !<a href="http://www.php.net/empty">empty</a>($instance['all_events']) ){
             $events_link = (!<a href="http://www.php.net/empty">empty</a>($instance['all_events_text'])) ? em_get_link($instance['all_events_text']) : em_get_link(__('all events','dbem'));
             echo '<li>'.$events_link.'</li>';
         }
         echo "</ul>";
 
         echo $args['after_widget'];
     }
 
     /** @see WP_Widget::update */
     function update($new_instance, $old_instance) {
         foreach($this->defaults as $key => $value){
             if( <a href="http://www.php.net/empty">empty</a>($new_instance[$key]) ){
                 $new_instance[$key] = $value;
             }
         }
         return $new_instance;
     }
 
     /** @see WP_Widget::form */
     function form($instance) {
         $instance = <a href="http://www.php.net/array_merge">array_merge</a>($this->defaults, $instance);
         $instance = $this->fix_scope($instance); // depcreciate
         ?>
         <p>
             <label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title'); ?>: </label>
             <input type="text" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo $instance['title']; ?>" />
         </p>
         <p><!-- this adds the category option to the widget's form -->
<label for="<?php echo $this->get_field_id('category'); ?>"><?php _e('Category ID','dbem'); ?>: </label>
<input type="text" id="<?php echo $this->get_field_id('category'); ?>" name="<?php echo $this->get_field_name('category'); ?>" size="3" value="<?php echo $instance['category']; ?>" /><br />
<label for="<?php echo $this->get_field_id('category'); ?>"><?php _e('(separate multiple IDs by commas, or use "0" for all categories)','dbem'); ?> </label>
</p>
<p>
             <label for="<?php echo $this->get_field_id('limit'); ?>"><?php _e('Number of events','dbem'); ?>: </label>
             <input type="text" id="<?php echo $this->get_field_id('limit'); ?>" name="<?php echo $this->get_field_name('limit'); ?>" size="3" value="<?php echo $instance['limit']; ?>" />
         </p>
         <p>
             <label for="<?php echo $this->get_field_id('scope'); ?>"><?php _e('Scope','dbem'); ?>: </label><br/>
             <select id="<?php echo $this->get_field_id('scope'); ?>" name="<?php echo $this->get_field_name('scope'); ?>" >
                 <?php foreach( em_get_scopes() as $key => $value) : ?>
                 <option value='<?php echo $key ?>' <?php echo ($key == get_option('dbem_events_page_scope')) ? "selected='selected'" : ''; ?>>
                     <?php echo $value; ?>
                 </option>
                 <?php endforeach; ?>
             </select>
         </p>
         <p>
             <label for="<?php echo $this->get_field_id('order'); ?>"><?php _e('Order By','dbem'); ?>: </label>
             <select  id="<?php echo $this->get_field_id('orderby'); ?>" name="<?php echo $this->get_field_name('orderby'); ?>">
                 <?php
                     $orderby_options = apply_filters('em_widget_orderby_ddm', <a href="http://www.php.net/array">array</a>(
                         'start_date,start_time,name' => __('start date, start time, event name','dbem'),
                         'name,start_date,start_time' => __('name, start date, start time','dbem'),
                         'name,end_date,end_time' => __('name, end date, end time','dbem'),
                         'end_date,end_time,name' => __('end date, end time, event name','dbem'),
                     ));
                 ?>
                 <?php foreach($orderby_options as $key => $value) : ?>
                 <option value='<?php echo $key ?>' <?php echo ( !<a href="http://www.php.net/empty">empty</a>($instance['orderby']) && $key == $instance['orderby']) ? "selected='selected'" : ''; ?>>
                     <?php echo $value; ?>
                 </option>
                 <?php endforeach; ?>
             </select>
         </p>
         <p>
             <label for="<?php echo $this->get_field_id('order'); ?>"><?php _e('Order','dbem'); ?>: </label>
             <select id="<?php echo $this->get_field_id('order'); ?>" name="<?php echo $this->get_field_name('order'); ?>">
                 <?php
                 $order_options = apply_filters('em_widget_order_ddm', <a href="http://www.php.net/array">array</a>(
                     'ASC' => __('Ascending','dbem'),
                     'DESC' => __('Descending','dbem')
                 ));
                 ?>
                 <?php foreach( $order_options as $key => $value) : ?>
                 <option value='<?php echo $key ?>' <?php echo ($key == $instance['order']) ? "selected='selected'" : ''; ?>>
                     <?php echo $value; ?>
                 </option>
                 <?php endforeach; ?>
             </select>
         </p>
         <p>
             <label for="<?php echo $this->get_field_id('format'); ?>"><?php _e('List item format','dbem'); ?>: </label>
             <textarea rows="5" cols="24" id="<?php echo $this->get_field_id('format'); ?>" name="<?php echo $this->get_field_name('format'); ?>"><?php echo $instance['format']; ?></textarea>
         </p>
         <p>
             <label for="<?php echo $this->get_field_id('all_events'); ?>"><?php _e('Show all events link at bottom?','dbem'); ?>: </label>
             <input type="checkbox" id="<?php echo $this->get_field_id('all_events'); ?>" name="<?php echo $this->get_field_name('all_events'); ?>" <?php echo (!<a href="http://www.php.net/empty">empty</a>($instance['all_events']) && $instance['all_events']) ? 'checked':''; ?> >
         </p>
         <p>
             <label for="<?php echo $this->get_field_id('all_events'); ?>"><?php _e('All events link text?','dbem'); ?>: </label>
             <input type="text" id="<?php echo $this->get_field_id('all_events_text'); ?>" name="<?php echo $this->get_field_name('all_events_text'); ?>" value="<?php echo (!<a href="http://www.php.net/empty">empty</a>($instance['all_events_text'])) ? $instance['all_events_text']:__('all events','dbem'); ?>" >
         </p>
         <?php
     }
 
     /**
      * Backwards compatability for an old setting which is now just another scope.
      * @param unknown_type $instance
      * @return string
      */
     function fix_scope($instance){
         if( !<a href="http://www.php.net/empty">empty</a>($instance['time_limit']) && <a href="http://www.php.net/is_numeric">is_numeric</a>($instance['time_limit']) && $instance['time_limit'] > 1 ){
             $instance['scope'] = $instance['time_limit'].'-months';
         }elseif( !<a href="http://www.php.net/empty">empty</a>($instance['time_limit']) && $instance['time_limit'] == 1){
             $instance['scope'] = 'month';
         }elseif( !<a href="http://www.php.net/empty">empty</a>($instance['time_limit']) && $instance['time_limit'] == 'no-limit'){
             $instance['scope'] = 'all';
         }
         return $instance;
     }
 }
 add_action('widgets_init', <a href="http://www.php.net/create_function">create_function</a>('', 'return register_widget("EM_Widget_by_category");'));//changed
?>