1 | <?php /* |
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2 | Plugin Name: RV Thumb Scroller |
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3 | Version: 2.5.a |
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4 | Plugin URI: http://piwigo.org/ext/extension_view.php?eid=493 |
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5 | Description: Infinite scroll - loads thumbnails on index page as you scroll down the page |
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6 | Author: rvelices |
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7 | Author URI: http://www.modusoptimus.com |
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8 | */ |
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9 | define('RVTS_VERSION', '25a'); |
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10 | |
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11 | class RVTS |
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12 | { |
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13 | static function on_end_section_init() |
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14 | { |
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15 | global $page; |
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16 | $page['nb_image_page'] *= pwg_get_session_var('rvts_mult', 1); |
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17 | if (count($page['items'])<$page['nb_image_page']+3) |
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18 | { |
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19 | if (!@$page['start'] || script_basename()=='picture') |
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20 | $page['nb_image_page'] = max($page['nb_image_page'], count($page['items'])); |
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21 | } |
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22 | add_event_handler('loc_begin_index', array('RVTS','on_index_begin'), EVENT_HANDLER_PRIORITY_NEUTRAL+10); |
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23 | } |
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24 | |
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25 | static function on_index_begin() |
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26 | { |
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27 | global $page; |
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28 | $is_ajax = isset($_GET['rvts']); |
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29 | if (!$is_ajax) |
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30 | { |
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31 | if (empty($page['items'])) |
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32 | add_event_handler('loc_end_index', array('RVTS','on_end_index')); |
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33 | else |
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34 | add_event_handler('loc_end_index_thumbnails', array('RVTS','on_index_thumbnails'), EVENT_HANDLER_PRIORITY_NEUTRAL, 1); |
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35 | } |
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36 | else |
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37 | { |
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38 | $adj = (int)@$_GET['adj']; |
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39 | if ($adj) |
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40 | { |
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41 | $mult = pwg_get_session_var('rvts_mult', 1); |
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42 | if ($adj>0 && $mult<5) |
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43 | pwg_set_session_var('rvts_mult', ++$mult); |
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44 | if ($adj<0 && $mult>1) |
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45 | pwg_set_session_var('rvts_mult', --$mult); |
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46 | } |
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47 | $page['nb_image_page']=(int)$_GET['rvts']; |
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48 | add_event_handler('loc_end_index_thumbnails', array('RVTS','on_index_thumbnails_ajax'), EVENT_HANDLER_PRIORITY_NEUTRAL+5, 1); |
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49 | $page['root_path'] = get_absolute_root_url(false); |
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50 | $page['body_id'] = 'scroll'; |
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51 | global $user, $template, $conf; |
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52 | include(PHPWG_ROOT_PATH.'include/category_default.inc.php'); |
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53 | } |
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54 | } |
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55 | |
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56 | static function on_index_thumbnails($thumbs) |
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57 | { |
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58 | global $page, $template; |
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59 | $total = count($page['items']); |
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60 | if (count($thumbs) >= $total) |
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61 | { |
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62 | add_event_handler('loc_end_index', array('RVTS','on_end_index')); |
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63 | return $thumbs; |
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64 | } |
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65 | $url_model = str_replace('123456789', '%start%', duplicate_index_url( array('start'=>123456789) ) ); |
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66 | $ajax_url_model = add_url_params($url_model, array( 'rvts'=>'%per%' ) ); |
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67 | |
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68 | $url_model = str_replace('&', '&', $url_model); |
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69 | $ajax_url_model = str_replace('&', '&', $ajax_url_model); |
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70 | |
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71 | $my_base_name = basename(dirname(__FILE__)); |
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72 | $ajax_loader_image = get_root_url()."plugins/$my_base_name/ajax-loader.gif"; |
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73 | $template->func_combine_script( array( |
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74 | 'id'=> 'jquery', |
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75 | 'load'=> 'footer', |
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76 | 'path'=> 'themes/default/js/jquery.min.js', |
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77 | )); |
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78 | $template->func_combine_script( array( |
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79 | 'id'=> $my_base_name, |
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80 | 'load'=> 'async', |
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81 | 'path'=> 'plugins/'.$my_base_name.'/rv_tscroller.min.js', |
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82 | 'require' => 'jquery', |
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83 | 'version' => RVTS_VERSION, |
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84 | )); |
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85 | $start = (int)$page['start']; |
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86 | $per_page = $page['nb_image_page']; |
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87 | $moreMsg = 'See the remaining %d photos'; |
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88 | if ('en' != $GLOBALS['lang_info']['code']) |
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89 | { |
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90 | load_language('lang', dirname(__FILE__).'/'); |
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91 | $moreMsg = l10n($moreMsg); |
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92 | } |
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93 | |
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94 | // the String.fromCharCode comes from google bot which somehow manage to get these urls |
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95 | $template->block_footer_script(null, |
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96 | "var RVTS = { |
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97 | ajaxUrlModel: String.fromCharCode(".ord($ajax_url_model[0]).")+'".substr($ajax_url_model,1)."', |
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98 | start: $start, |
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99 | perPage: $per_page, |
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100 | next: ".($start+$per_page).", |
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101 | total: $total, |
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102 | moreUrlModel: String.fromCharCode(".ord($url_model[0]).")+'".substr($url_model,1)."', |
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103 | moreMsg: '$moreMsg', |
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104 | prevMsg: '".l10n("Previous")."', |
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105 | ajaxLoaderImage: '$ajax_loader_image' |
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106 | }; |
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107 | jQuery('.navigationBar').hide();"); |
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108 | return $thumbs; |
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109 | } |
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110 | |
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111 | static function on_index_thumbnails_ajax($thumbs) |
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112 | { |
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113 | global $template; |
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114 | $template->assign('thumbnails', $thumbs); |
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115 | header('Content-Type: text/html; charset='.get_pwg_charset()); |
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116 | $template->pparse('index_thumbnails'); |
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117 | exit; |
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118 | } |
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119 | |
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120 | static function on_end_index() |
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121 | { |
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122 | global $template; |
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123 | $req = null; |
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124 | foreach($template->scriptLoader->get_all() as $script) |
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125 | { |
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126 | if($script->load_mode==2 && !$script->is_remote()) |
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127 | $req = $script->id; |
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128 | } |
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129 | if($req!=null) |
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130 | { |
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131 | $my_base_name = basename(dirname(__FILE__)); |
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132 | $template->func_combine_script( array( |
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133 | 'id'=> $my_base_name, |
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134 | 'load'=> 'async', |
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135 | 'path'=> 'plugins/'.$my_base_name.'/rv_tscroller.min.js', |
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136 | 'require' => $req, |
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137 | 'version' => RVTS_VERSION, |
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138 | ), $template->smarty); |
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139 | } |
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140 | } |
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141 | |
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142 | } |
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143 | |
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144 | add_event_handler('loc_end_section_init', array('RVTS','on_end_section_init')); |
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145 | ?> |
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