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1 <?php |
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2 /** |
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3 * Class SlideslowPlugin is called whenever a slideshow do_action tag is come across. |
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4 * Responsible for outputting the slideshow's HTML, CSS and Javascript. |
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5 * |
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6 * TODO Create a variable in which all slideshow html can be stored <- Rethink this, slideshow containers have random ids. |
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7 * @author: Stefan Boonstra |
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8 * @version: 22-09-12 |
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9 */ |
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10 class SlideshowPlugin { |
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11 |
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12 /** |
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13 * Function deploy prints out the prepared html |
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14 * |
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15 * @param int $postId |
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16 */ |
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17 static function deploy($postId = null){ |
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18 echo self::prepare($postId); |
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19 } |
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20 |
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21 /** |
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22 * Function prepare returns the required html and enqueues |
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23 * the scripts and stylesheets necessary for displaying the slideshow |
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24 * |
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25 * Passing this function no parameter or passing it a negative one will |
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26 * result in a random pick of slideshow |
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27 * |
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28 * @param int $postId |
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29 * @return String $output |
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30 */ |
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31 static function prepare($postId = null){ |
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32 // Get post by its ID, or by its slug |
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33 if(is_numeric($postId)) |
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34 $post = wp_get_single_post($postId); |
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35 if(is_string($postId)){ |
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36 $query = new WP_Query(array( |
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37 'post_type' => SlideshowPluginPostType::$postType, |
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38 'name' => $postId, |
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39 'orderby' => 'post_date', |
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40 'order' => 'DESC' |
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41 )); |
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42 |
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43 if($query->have_posts()) |
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44 $post = $query->next_post(); |
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45 } |
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46 |
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47 // When no slideshow is found, get one at random |
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48 if(empty($post)){ |
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49 $post = get_posts(array( |
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50 'numberposts' => 1, |
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51 'orderby' => 'rand', |
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52 'post_type' => SlideshowPluginPostType::$postType |
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53 )); |
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54 |
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55 if(is_array($post)) |
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56 $post = $post[0]; |
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57 } |
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58 |
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59 // Exit on error |
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60 if(empty($post)){echo 'dayum'; |
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61 return '<!-- Wordpress Slideshow - No slideshows available -->'; |
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62 } |
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63 |
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64 // Get settings |
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65 $allSettings = SlideshowPluginPostType::getSimpleSettings($post->ID, null, false); |
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66 |
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67 // Get stored slide settings and convert them to array([slide-key] => array([setting-name] => [value])); |
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68 $slidesPreOrder = array(); |
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69 $slideSettings = SlideshowPluginPostType::getSettings($post->ID, SlideshowPluginPostType::$prefixes['slide-list'], false); |
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70 if(is_array($slideSettings) && count($slideSettings) > 0) |
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71 foreach($slideSettings as $key => $value){ |
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72 $key = explode('_', $key); |
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73 if(is_numeric($key[1])) |
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74 $slidesPreOrder[$key[1]][$key[2]] = $value; |
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75 } |
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76 |
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77 // Create array ordered by the 'order' key of the slides array: array([order-key] => [slide-key]); |
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78 $slidesOrder = array(); |
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79 if(count($slidesPreOrder) > 0){ |
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80 foreach($slidesPreOrder as $key => $value) |
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81 if(isset($value['order']) && is_numeric($value['order']) && $value['order'] > 0) |
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82 $slidesOrder[$value['order']][] = $key; |
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83 } |
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84 ksort($slidesOrder); |
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85 |
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86 // Order slides by the order key. |
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87 $slides = array(); |
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88 if(count($slidesOrder) > 0) |
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89 foreach($slidesOrder as $value) |
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90 if(is_array($value)) |
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91 foreach($value as $slideId){ |
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92 $slides[] = $slidesPreOrder[$slideId]; |
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93 unset($slidesPreOrder[$slideId]); |
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94 } |
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95 |
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96 // Add remaining (unordered) slides to the end of the array. |
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97 $slides = array_merge($slides, $slidesPreOrder); |
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98 |
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99 // Randomize if setting is true. |
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100 if(isset($allSettings['setting_random']) && $allSettings['setting_random'] == 'true') |
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101 shuffle($slides); |
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102 |
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103 // Enqueue functional sheet |
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104 wp_enqueue_style( |
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105 'slideshow_functional_style', |
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106 SlideshowPluginMain::getPluginUrl() . '/style/' . __CLASS__ . '/functional.css' |
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107 ); |
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108 |
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109 // Create a microtime timestamp to host multiple slideshows with different styles and settings on the same page |
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110 $randomId = rand(); |
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111 |
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112 // Get stylesheet for printing |
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113 $style = ''; |
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114 if($allSettings['style_style'] == 'custom' && isset($allSettings['style_custom']) && !empty($allSettings['style_custom'])){ // Custom style |
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115 $style = str_replace('%plugin-url%', SlideshowPluginMain::getPluginUrl(), $allSettings['style_custom']); |
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116 }else{ // Set style |
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117 $filePath = SlideshowPluginMain::getPluginPath() . '/style/' . __CLASS__ . '/style-' . $allSettings['style_style'] . '.css'; |
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118 if(file_exists(SlideshowPluginMain::getPluginPath() . '/style/' . __CLASS__ . '/style-' . $allSettings['style_style'] . '.css')){ |
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119 ob_start(); |
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120 include($filePath); |
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121 $style = str_replace('%plugin-url%', SlideshowPluginMain::getPluginUrl(), ob_get_clean()); |
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122 } |
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123 } |
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124 |
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125 // Append the random ID to the slideshow container in the stylesheet, to identify multiple slideshows |
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126 if(!empty($style)) |
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127 $style = str_replace('.slideshow_container', '.slideshow_container_' . $randomId, $style); |
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128 |
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129 // Filter settings to only contain settings, then remove prefix |
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130 $settings = array(); |
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131 if(is_array($allSettings) && count($allSettings) > 0) |
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132 foreach($allSettings as $key => $value) |
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133 if(SlideshowPluginPostType::$prefixes['settings'] == substr($key, 0, strlen(SlideshowPluginPostType::$prefixes['settings']))) |
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134 $settings[substr($key, strlen(SlideshowPluginPostType::$prefixes['settings']))] = $value; |
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135 |
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136 // Include output file that stores output in $output. |
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137 $output = ''; |
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138 ob_start(); |
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139 include(SlideshowPluginMain::getPluginPath() . '/views/' . __CLASS__ . '/slideshow.php'); |
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140 $output .= ob_get_clean(); |
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141 |
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142 // Enqueue flash object creation script |
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143 wp_enqueue_script( |
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144 'swfobject', |
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145 SlideshowPluginMain::getPluginUrl() . '/js/' . __CLASS__ . 'swfobject.js' |
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146 ); |
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147 |
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148 // Enqueue slideshow script |
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149 wp_enqueue_script( |
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150 'slideshow_script', |
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151 SlideshowPluginMain::getPluginUrl() . '/js/' . __CLASS__ . '/slideshow.js', |
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152 array('jquery') |
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153 ); |
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154 |
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155 // Return output |
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156 return $output; |
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157 } |
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158 } |