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1 <?php |
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2 /* |
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3 Plugin Name: AJAX Calendar |
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4 Plugin URI: http://urbangiraffe.com/plugins/ajax-calendar/ |
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5 Description: A version of the WordPress calendar that uses AJAX to allow the user to step through the months without updating the page. Additionally, a click on the 'expand' link shows all the posts within that month, inside the calendar. Caching of content can be enabled to increase speed. |
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6 Version: 2.4.9 |
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7 Author: John Godley |
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8 Author URI: http://urbangiraffe.com |
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9 */ |
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10 |
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11 include_once (dirname (__FILE__).'/plugin.php'); |
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12 include_once (dirname (__FILE__).'/models/widget.php'); |
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13 |
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14 if (!class_exists ('AJAX_Calendar')) |
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15 { |
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16 class AJAX_Calendar extends AJAX_Calendar_Plugin |
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17 { |
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18 function AJAX_Calendar () |
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19 { |
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20 $this->register_plugin ('ajax-calendar', __FILE__); |
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21 |
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22 if (is_admin ()) |
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23 { |
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24 $this->add_action ('publish_post', 'cache_remove'); |
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25 $this->add_action ('save_post', 'cache_remove'); |
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26 $this->add_action ('delete_post', 'cache_remove'); |
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27 } |
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28 else |
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29 $this->add_action ('wp_head'); |
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30 |
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31 $this->widget = new AJAX_Calendar_Widget ('AJAX Calendar'); |
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32 } |
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33 |
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34 function show ($categories = '') |
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35 { |
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36 include_once (dirname (__FILE__).'/models/calendar.php'); |
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37 |
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38 $this->render ('calendar', array ('calendar' => new Calendar ($this->url (), $categories))); |
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39 } |
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40 |
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41 function wp_head () |
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42 { |
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43 $this->render ('head'); |
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44 } |
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45 |
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46 function cache_remove ($id) |
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47 { |
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48 $post = wp_get_single_post ($id); |
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49 |
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50 $postmonth = substr ($post->post_date, 5, 2); |
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51 $postyear = substr ($post->post_date, 0, 4); |
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52 $modmonth = substr ($post->post_modified, 5, 2); |
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53 $modyear = substr ($post->post_modified, 0, 4); |
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54 |
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55 // Delete the cache files for the two dates, just in case something has changed |
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56 for ($x = 0; $x < 2; $x++) |
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57 { |
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58 wp_cache_delete ($postyear."_".$postmonth."_".$x); |
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59 wp_cache_delete ($modyear."_".$modmonth."_".$x); |
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60 } |
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61 } |
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62 |
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63 function &get () |
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64 { |
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65 static $instance; |
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66 |
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67 if (!isset ($instance)) |
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68 { |
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69 $c = __CLASS__; |
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70 $instance = new $c; |
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71 } |
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72 |
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73 return $instance; |
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74 } |
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75 } |
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76 |
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77 |
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78 function ajax_calendar ($categories = '') |
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79 { |
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80 $calendar = AJAX_Calendar::get (); |
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81 $calendar->show ($categories); |
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82 } |
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83 } |
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84 |
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85 |
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86 $ajax_calendar_plugin = AJAX_Calendar::get (); |
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87 |
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88 ?> |