1 <?php |
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2 /** |
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3 * Class SlideshowPluginShortcode provides the shortcode function, which is called |
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4 * on use of shortcode anywhere in the posts and pages. Also provides the shortcode |
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5 * inserter, so that it's made easier for non-programmers to insert the shortcode |
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6 * into a post or page. |
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7 * |
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8 * @since 1.2.0 |
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9 * @author: Stefan Boonstra |
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10 * @version: 25-09-12 |
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11 */ |
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12 class SlideshowPluginShortcode { |
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13 |
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14 /** Variables */ |
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15 public static $shortCode = 'slideshow_deploy'; |
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16 public static $bookmark = '!slideshow_deploy!'; |
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17 private static $postIds = array(); |
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18 |
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19 /** |
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20 * Initializes the shortcode, registering it and hooking the shortcode |
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21 * inserter media buttons. |
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22 * |
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23 * @since 2.1.16 |
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24 */ |
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25 static function init(){ |
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26 // Register shortcode |
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27 add_shortcode(self::$shortCode, array(__CLASS__, 'slideshowDeploy')); |
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28 |
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29 // Admin |
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30 if(is_admin()){ |
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31 // Add shortcode inserter HTML |
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32 add_action('media_buttons', array(__CLASS__, 'shortcodeInserter'), 11); |
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33 |
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34 // Enqueue shortcode inserter script |
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35 add_action('admin_enqueue_scripts', array(__CLASS__, 'shortcodeInserterScript')); |
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36 } |
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37 } |
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38 |
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39 /** |
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40 * Function slideshowDeploy adds a bookmark to where ever a shortcode |
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41 * is found and adds the postId to an array, it then is loaded after |
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42 * Wordpress has done its HTML checks. |
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43 * |
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44 * @since 1.2.0 |
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45 * @param mixed $atts |
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46 * @return String $output |
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47 */ |
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48 static function slideshowDeploy($atts){ |
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49 $postId = ''; |
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50 if(isset($atts['id'])) |
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51 $postId = $atts['id']; |
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52 |
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53 $output = ''; |
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54 $settings = SlideshowPluginPostType::getSimpleSettings($postId, null, false); |
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55 if($settings['setting_avoidFilter'] == 'true'){ |
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56 // Filter content after all Wordpress HTML parsers are done, then replace bookmarks with raw HTML |
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57 add_filter('the_content', array(__CLASS__, 'insertSlideshow'), 999); |
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58 add_filter('the_excerpt', array(__CLASS__, 'insertSlideshow'), 999); |
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59 |
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60 // Save post id |
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61 self::$postIds[] = $postId; |
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62 |
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63 // Set output |
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64 $output = self::$bookmark; |
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65 }else{ |
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66 // Just output the slideshow, without filtering |
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67 $output = SlideshowPlugin::prepare($postId); |
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68 } |
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69 |
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70 // Return output |
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71 return $output; |
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72 } |
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73 |
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74 /** |
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75 * Function insertSlideshow uses the prepare method of class SlideshowPlugin |
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76 * to insert the code for the slideshow on the location a bookmark was found. |
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77 * |
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78 * @since 2.1.8 |
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79 * @param String $content |
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80 * @return String $content |
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81 */ |
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82 static function insertSlideshow($content){ |
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83 // Loop through post ids |
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84 if(is_array(self::$postIds) && count(self::$postIds) > 0) |
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85 foreach(self::$postIds as $postId){ |
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86 $updatedContent = preg_replace("/" . self::$bookmark . "/", SlideshowPlugin::prepare($postId), $content, 1); |
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87 |
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88 if(is_string($updatedContent)) |
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89 $content = $updatedContent; |
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90 } |
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91 |
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92 // Reset postIds, so a shortcode in a next post can be used |
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93 self::$postIds = array(); |
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94 |
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95 return $content; |
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96 } |
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97 |
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98 /** |
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99 * Hooked on the admin's 'media_buttons' hook, outputs the shortcode inserter media button |
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100 * |
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101 * @since 2.1.16 |
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102 */ |
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103 static function shortcodeInserter(){ |
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104 // Get slideshows |
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105 $slideshows = new WP_Query(array( |
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106 'post_type' => SlideshowPluginPostType::$postType, |
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107 'orderby' => 'post_date', |
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108 'order' => 'DESC' |
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109 )); |
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110 |
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111 include(SlideshowPluginMain::getPluginPath() . DIRECTORY_SEPARATOR . 'views' . DIRECTORY_SEPARATOR . __CLASS__ . DIRECTORY_SEPARATOR . 'shortcode-inserter.php'); |
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112 } |
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113 |
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114 /** |
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115 * Enqueues the shortcode inserter script |
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116 * |
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117 * @since 2.1.16 |
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118 */ |
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119 static function shortcodeInserterScript(){ |
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120 wp_enqueue_script( |
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121 'slideshow-shortcode-inserter', |
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122 SlideshowPluginMain::getPluginUrl() . '/js/' . __CLASS__ . '/shortcode-inserter.js', |
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123 array('jquery') |
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124 ); |
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125 |
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126 wp_localize_script( |
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127 'slideshow-shortcode-inserter', |
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128 'SlideshowShortcodeInserter', |
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129 array( |
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130 'undefinedSlideshowMessage' => __('No slideshow selected.', 'slideshow-plugin'), |
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131 'shortcode' => SlideshowPluginShortcode::$shortCode |
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132 ) |
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133 ); |
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134 } |
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135 } |
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