Beiträge von sternenlicht

<?php
/*
Plugin Name: RS Event
Plugin URI: http://www.sargant.com/blog/archives/2006/03/rs-event-05/
Description: Adds an "RS Events" panel to the posting sidebar, allowing for a date to be set for the post and then displayed in the blog sidebar.
Author: Robert Sargant
Version: 0.5
Author URI: http://www.sargant.com/
*/


/**
 *  RS Event (C) Robert Sargant 2006
 *  Licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.0 England & Wales License
 *  http://creativecommons.org/licenses/by-nc-sa/2.0/uk/
 */


/**
 * Add the RS Event controls to the posting sidebar
 */
add_action('dbx_post_sidebar', 'rs_event_sidebar_controls');


/**
 * Manipulate RS Event data when modifying posts
 */
add_action('edit_post', 'rs_event_save');
add_action('save_post', 'rs_event_save');
add_action('publish_post', 'rs_event_save');


/**
 * RS Event Sidebar Controls
 *
 * Inserts some drop-down menus as an extra posting sidebar panel.
 */
function rs_event_sidebar_controls()
{
  /**
   * If there are existing post details, get values to autofill the form
   */
  if(isset($_REQUEST['post']))
  {
    $event_timestamp = get_post_meta($_REQUEST['post'], "rs_event");
    
    if($event_timestamp)
    {
      list($year, $month, $day, $hour, $minute) = explode(" ", date("Y n j G i", $event_timestamp[0]));
      // Cast as int to get rid of the zero
      $hour = (int)$hour;
      $minute = (int)$minute;
    }
  }
  
  
  ?>
  
  <fieldset id="rs_events_dbx" class="dbx-box">
    <h3 class="dbx-handle">RS Event</h3> 
    <div class="dbx-content">
      
      <?php _e('Date:') ?>
      
      <br />
      
      <select name="rs_events_day" style="width: 4.5em">
        <option value=""><?php _e('Day') ?></option>
        <option value="">----</option>
        <?php for($d = 1; $d <= 31; $d++) { ?>
          
          <?php if($d == $day) { ?>
            <option selected="selected" value="<?php echo $d ?>"><?php echo $d ?></option>
          <?php } else { ?>
            <option value="<?php echo $d ?>"><?php echo $d ?></option>
          <?php } ?>
         
        <?php } ?>
      </select>
      
      <select name="rs_events_month" style="width: 6em;">
        <option value=""><?php _e('Month') ?></option>
        <option value="">----</option>
        <?php foreach(array( 1 => "Jan", 2 => "Feb", 3 => "März", 4 => "Apr", 5 => "Mai", 6 => "Jun", 7 => "Jul", 8 => "Aug", 9 => "Sep", 10 => "Okt", 11 => "Nov", 12 => "Dez") as $id => $m) { ?>
          
          <?php if($id == $month) { ?>
            <option selected="selected" value="<?php echo $id ?>"><?php _e($m) ?></option>
          <?php } else { ?>
            <option value="<?php echo $id ?>"><?php _e($m) ?></option>
          <?php } ?>
          
        <?php } ?>
      </select>
      
      <br />
      
      <select name="rs_events_year" style="width: 7em;">
        <option value=""><?php _e('Year') ?></option>
        <option value="">----</option>
        <?php for($y = date("Y")-1; $y <= date("Y")+12; $y++) { ?>
          <?php if($y == $year) { ?>
            <option selected="selected" value="<?php echo $y ?>"><?php echo $y ?></option>
          <?php } else { ?>
            <option value="<?php echo $y ?>"><?php echo $y ?></option>
          <?php } ?>
        <?php } ?>
      </select>
      
      <br />
      <br />
      
      <?php _e('Time:') ?>
      
      <br />
      
      <select name="rs_events_hour" style="width: 5em;">
        <option value=""><?php _e('Hour') ?></option>
        <option value="">----</option>
        <?php for($h = 0; $h <= 23; $h++) { ?>
          
          <?php if($h === $hour) { ?>
            <option selected="selected" value="<?php echo $h ?>"><?php echo str_pad($h, 2, "0", STR_PAD_LEFT) ?></option>
          <?php } else { ?>
            <option value="<?php echo $h ?>"><?php echo str_pad($h, 2, "0", STR_PAD_LEFT) ?></option>
          <?php } ?>
         
        <?php }   ?>
      </select>
      
      <select name="rs_events_minute" style="width: 5em;">
        <option value=""><?php _e('Min') ?></option>
        <option value="">----</option>
        <?php for($mi = 0; $mi <= 55; $mi = $mi + 5) { ?>
          
          <?php if($mi === $minute) { ?>
            <option selected="selected" value="<?php echo $mi ?>"><?php echo str_pad($mi, 2, "0", STR_PAD_LEFT) ?></option>
          <?php } else { ?>
            <option value="<?php echo $mi ?>"><?php echo str_pad($mi, 2, "0", STR_PAD_LEFT) ?></option>
          <?php } ?>
         
        <?php } ?>
      </select>
      
    </div>
  </fieldset>
  
  <?php 
}


function rs_event_save($id)
{
  if(!isset($id))
  {
    $id = $_REQUEST['post_ID'];
  }
  
  if($_REQUEST['rs_events_delete'])
  {
    delete_post_meta($id, "rs_event");
    return true;
  }
  elseif($_REQUEST['rs_events_year'] && $_REQUEST['rs_events_month'] && $_REQUEST['rs_events_day'])
  {
    $hour   = ($_REQUEST['rs_events_hour']) ? $_REQUEST['rs_events_hour'] : 0;
    $minute = ($_REQUEST['rs_events_hour']) ? $_REQUEST['rs_events_minute'] : 0;
    
    $ts = mktime($hour, $minute, 0, $_REQUEST['rs_events_month'], $_REQUEST['rs_events_day'], $_REQUEST['rs_events_year']);
        
    delete_post_meta($id, "rs_event");
    add_post_meta($id, "rs_event", $ts);
    return true;
  }
}




function rs_event_list($args = array())
{
  global $wpdb;
  
  $timespan      = (isset($args['timespan']))      ? $args['timespan']      : 28 * 24 * 60 * 60;
  $date_format   = (isset($args['date_format']))   ? $args['date_format']   : "d. F Y";
  $time_format   = (isset($args['time_format']))   ? $args['time_format']   : "H:i";
  $group_by_date = (isset($args['group_by_date'])) ? $args['group_by_date'] : false;
  $event_html    = (isset($args['event_html']))    ? $args['event_html']    : "%DATE%: <a href='%URL%'>%TITLE%</a>";
  $max_events    = (isset($args['max_events']))    ? $args['max_events']    : 0;
  
  $lower_time = time();
  $upper_time = time() + $timespan;
  
  $query_string = "SELECT 
                    meta.meta_value as date, 
                    post.post_title as title, 
                    post.ID as id 
                  FROM 
                    {$wpdb->postmeta} as meta, 
                    {$wpdb->posts} as post 
                  WHERE
                    meta.post_id = post.ID
                  AND
                    meta.meta_key = 'rs_event'
                  AND
                    meta.meta_value >= {$lower_time}
                  AND
                    meta.meta_value <= {$upper_time}
                  ORDER BY 
                    meta.meta_value ASC";
  
  /**
   * 0.5.1 - Allow event limiting
   */
  if($max_events != 0)
  {
    $query_string .= " LIMIT {$max_events}";
  }
  
  
  $event_list = $wpdb->get_results($query_string);
  
  echo "<li>";
  
  /**
   * If the query has returned an array, do stuff
   */
  if(is_array($event_list))
  {
    /**
     * To store previous dates if we have $group_by_date turned on
     */
    $previous_date = false;
    
    /**
     * Loop through each event
     */
    foreach($event_list as $event)
    {
      /**
       * Format the date/time/HTML now
       */
      $output_date = date($date_format, $event->date);
      $output_time = date($time_format, $event->date);
      
      $output_html = str_replace(array("%URL%", "%DATE%", "%TIME%", "%TITLE%"), array(get_permalink($event->id), $output_date, $output_time, $event->title), $event_html);
      
      /**
       * If we are not grouping by date, output as a list item now.
       */
      if($group_by_date == false)
      {
        /**
         * If this is not the first entry, output list tags
         */
        if($previous_date == true)
        {
          echo "</li><li>";
        }
        else
        {
          $previous_date = true;
        }
        
        echo $output_html;
      }
      
      /**
       * If we are grouping by date
       */
      else
      {
        /**
         * If this is a new date, print it
         */
        if($output_date != $previous_date)
        {
          /**
           * If this is not the first new date, close and reopen list tags
           */
          if($previous_date)
          {
            echo "</li><li>";
          }
          
          echo "$output_date<br />";
          
          $previous_date = $output_date;
        }
        
        echo "$output_html<br />";
        
      }
    }
  }
  /**
   * If no array returned, say nothing
   */
  else
  {
    _e('Es liegt derzeit nichts an.');
  }
  
  echo "</li>";
  
  
}


?>