| 1 |
<?php |
| 2 |
//avoid direct calls to this file |
| 3 |
if (!function_exists('add_action')) { |
| 4 |
header('Status: 403 Forbidden'); |
| 5 |
header('HTTP/1.1 403 Forbidden'); |
| 6 |
exit(); |
| 7 |
} |
| 8 |
if (!class_exists('ISC_Public')) { |
| 9 |
|
| 10 |
/** |
| 11 |
* handles all admin functionalities |
| 12 |
* |
| 13 |
* @since 1.7 |
| 14 |
* @todo move frontend-only functions from general class here |
| 15 |
*/ |
| 16 |
class ISC_Public extends ISC_Class { |
| 17 |
|
| 18 |
public function __construct() { |
| 19 |
parent::__construct(); |
| 20 |
|
| 21 |
add_action('wp_enqueue_scripts', array($this, 'front_scripts')); |
| 22 |
add_action('wp_head', array($this, 'front_head')); |
| 23 |
|
| 24 |
/** |
| 25 |
* filters need to be above 10 in order to interpret also gallery shortcode |
| 26 |
*/ |
| 27 |
add_filter('the_content', array($this, 'content_filter'), 20); |
| 28 |
add_filter('the_excerpt', array($this, 'excerpt_filter'), 20); |
| 29 |
add_shortcode('isc_list', array($this, 'list_post_attachments_with_sources_shortcode')); |
| 30 |
add_shortcode('isc_list_all', array($this, 'list_all_post_attachments_sources_shortcode')); |
| 31 |
} |
| 32 |
|
| 33 |
/** |
| 34 |
* Enqueue scripts for the front-end. |
| 35 |
*/ |
| 36 |
public function front_scripts() { |
| 37 |
// inject in footer as we only do stuff after dom-ready |
| 38 |
wp_enqueue_script('isc_front_js', plugins_url('/assets/js/front-js.js', __FILE__), array('jquery'), ISCVERSION, true); |
| 39 |
} |
| 40 |
|
| 41 |
/** |
| 42 |
* Front-end scripts in <head /> section. |
| 43 |
*/ |
| 44 |
public function front_head() |
| 45 |
{ |
| 46 |
$options = $this->get_isc_options(); |
| 47 |
?> |
| 48 |
<script type="text/javascript"> |
| 49 |
/* <![CDATA[ */ |
| 50 |
var isc_front_data = |
| 51 |
{ |
| 52 |
caption_position : '<?php echo $options['caption_position']; ?>', |
| 53 |
} |
| 54 |
/* ]]> */ |
| 55 |
</script> |
| 56 |
<style> |
| 57 |
.isc-source { position: relative; } |
| 58 |
</style> |
| 59 |
<?php |
| 60 |
} |
| 61 |
|
| 62 |
/** |
| 63 |
* add captions to post content and include source into caption, if this setting is enabled |
| 64 |
* |
| 65 |
* @param string $content post content |
| 66 |
* @return string $content |
| 67 |
* |
| 68 |
* @update 1.4.3 |
| 69 |
*/ |
| 70 |
public function content_filter($content) |
| 71 |
{ |
| 72 |
|
| 73 |
// display inline sources |
| 74 |
$options = $this->get_isc_options(); |
| 75 |
if( isset($options['display_type']) && is_array($options['display_type']) && in_array('overlay', $options['display_type'] ) ) { |
| 76 |
/** |
| 77 |
* split content where `isc_stop_overlay` is found to not display overlays starting there |
| 78 |
*/ |
| 79 |
if( strpos( $content, 'isc_stop_overlay' ) ){ |
| 80 |
list( $content, $content_after ) = explode( 'isc_stop_overlay', $content, 2 ); |
| 81 |
} else { |
| 82 |
$content_after = ''; |
| 83 |
} |
| 84 |
|
| 85 |
/** |
| 86 |
* removed [caption], because this check runs after the hook that interprets shortcodes |
| 87 |
* img tag is checked individually since there is a different order of attributes when images are used in gallery or individually |
| 88 |
* |
| 89 |
* 0 – full match |
| 90 |
* 1 - <figure> if set |
| 91 |
* 2 – alignment |
| 92 |
* 3 – inner code starting with <a> |
| 93 |
* 4 – opening link attribute |
| 94 |
* 5 – "rel" attribute from link tag |
| 95 |
* 6 – image id from link wp-att- value in "rel" attribute |
| 96 |
* 7 – full img tag |
| 97 |
* 8 – image URL |
| 98 |
* 9 – (unused) |
| 99 |
* 10 - </figure> |
| 100 |
* |
| 101 |
* tested with: |
| 102 |
* * with and without [caption] |
| 103 |
* * with and without link attibute |
| 104 |
* |
| 105 |
* potential issues: |
| 106 |
* * line breaks in the code |
| 107 |
*/ |
| 108 |
$pattern = '#(<[^>]*class="[^"]*(alignleft|alignright|alignnone|aligncenter).*)?((<a [^>]*(rel="[^"]*[^"]*wp-att-(\d+)"[^>]*)>)? *(<img [^>]*[^>]*src="(.+)".*\/?>).*(</a>)??[^<]*).*(<\/figure.*>)?#isU'; |
| 109 |
$count = preg_match_all($pattern, $content, $matches); |
| 110 |
|
| 111 |
// error_log(print_r($content, true)); error_log(print_r($matches, true)); |
| 112 |
if (false !== $count) { |
| 113 |
for ($i=0; $i < $count; $i++) { |
| 114 |
|
| 115 |
/** |
| 116 |
* interpret the image tag |
| 117 |
* |
| 118 |
* we only need the ID if we don’t have it yet |
| 119 |
* it can be retrieved from "wp-image-" class (single) or "aria-describedby="gallery-1-34" in gallery |
| 120 |
*/ |
| 121 |
$id = $matches[6][$i]; |
| 122 |
$img_tag = $matches[7][$i]; |
| 123 |
|
| 124 |
if( ! $id ){ |
| 125 |
$success = preg_match('#wp-image-(\d+)|aria-describedby="gallery-1-(\d+)#is', $img_tag, $matches_id); |
| 126 |
if( $success ){ |
| 127 |
$id = $matches_id[1] ? intval( $matches_id[1] ) : intval( $matches_id[2] ); |
| 128 |
} |
| 129 |
} |
| 130 |
|
| 131 |
// if ID is still missing get image by URL |
| 132 |
if( ! $id ){ |
| 133 |
$src = $matches[8][$i]; |
| 134 |
$id = $this->get_image_by_url($src); |
| 135 |
} |
| 136 |
|
| 137 |
// don’t show caption for own image if admin choose not to do so |
| 138 |
if($options['exclude_own_images']){ |
| 139 |
if(get_post_meta($id, 'isc_image_source_own', true)) { |
| 140 |
continue; |
| 141 |
} |
| 142 |
} |
| 143 |
|
| 144 |
// don’t display empty sources |
| 145 |
if( !$source_string = $this->render_image_source_string( $id ) ) { |
| 146 |
continue; |
| 147 |
} |
| 148 |
|
| 149 |
// get any alignment from the original code |
| 150 |
preg_match('#alignleft|alignright|alignnone|aligncenter#is', $matches[0][$i], $matches_align); |
| 151 |
$alignment = isset( $matches_align[0] ) ? $matches_align[0] : ''; |
| 152 |
|
| 153 |
$source = '<span class="isc-source-text">' . $options['source_pretext'] . ' ' . $source_string . '</span>'; |
| 154 |
$old_content = $matches[3][$i]; |
| 155 |
$new_content = str_replace('wp-image-' . $id, 'wp-image-' . $id . ' with-source', $old_content); |
| 156 |
|
| 157 |
$content = str_replace($old_content, '<div id="isc_attachment_' . $id . '" class="isc-source ' . $alignment . '"> ' . $new_content . $source . '</div>', $content); |
| 158 |
|
| 159 |
} |
| 160 |
} |
| 161 |
/** |
| 162 |
* attach follow content back |
| 163 |
*/ |
| 164 |
$content = $content . $content_after; |
| 165 |
} |
| 166 |
|
| 167 |
// attach image source list to content, if option is enabled |
| 168 |
if ((isset($options['list_on_archives']) && $options['list_on_archives']) || |
| 169 |
(is_singular() && isset($options['display_type']) && is_array($options['display_type']) && in_array('list', $options['display_type']))) { |
| 170 |
$content = $content . $this->list_post_attachments_with_sources(); |
| 171 |
} |
| 172 |
|
| 173 |
return $content; |
| 174 |
} |
| 175 |
|
| 176 |
/** |
| 177 |
* add image source of featured image to post excerpts |
| 178 |
* |
| 179 |
* @param string $excerpt post excerpt |
| 180 |
* @return string $excerpt |
| 181 |
* |
| 182 |
* @update 1.4.3 |
| 183 |
*/ |
| 184 |
public function excerpt_filter($excerpt) |
| 185 |
{ |
| 186 |
|
| 187 |
// display inline sources |
| 188 |
$options = $this->get_isc_options(); |
| 189 |
$post = get_post(); |
| 190 |
|
| 191 |
if (empty($options['list_on_excerpts'])) return $excerpt; |
| 192 |
|
| 193 |
$source_string = $this->get_thumbnail_source_string($post->ID); |
| 194 |
|
| 195 |
$excerpt = $excerpt . $source_string; |
| 196 |
|
| 197 |
return $excerpt; |
| 198 |
} |
| 199 |
|
| 200 |
/** |
| 201 |
* create image sources list for all images of this post |
| 202 |
* |
| 203 |
* @since 1.0 |
| 204 |
* @updated 1.1, 1.3.5 |
| 205 |
* @updated 1.5 use new render function to create basic image source string |
| 206 |
* |
| 207 |
* @param int $post_id id of the current post/page |
| 208 |
* @return echo output |
| 209 |
*/ |
| 210 |
public function list_post_attachments_with_sources($post_id = 0) |
| 211 |
{ |
| 212 |
global $post; |
| 213 |
if (empty($post_id)) { |
| 214 |
if (!empty($post->ID)) { |
| 215 |
$post_id = $post->ID; |
| 216 |
} else { |
| 217 |
return; |
| 218 |
} |
| 219 |
} |
| 220 |
|
| 221 |
$attachments = get_post_meta($post_id, 'isc_post_images', true); |
| 222 |
|
| 223 |
// if attachments is an empty string, search for images in it |
| 224 |
if ($attachments == '') { |
| 225 |
// unregister our content filter in order to prevent infinite loops when calling the_content in the next steps |
| 226 |
remove_filter( 'the_content', array( $this, 'content_filter' ), 20 ); |
| 227 |
|
| 228 |
$this->save_image_information_on_load(); |
| 229 |
$this->update_image_posts_meta($post_id, $post->post_content); |
| 230 |
|
| 231 |
$attachments = get_post_meta($post_id, 'isc_post_images', true); |
| 232 |
} |
| 233 |
|
| 234 |
$return = ''; |
| 235 |
if (!empty($attachments)) { |
| 236 |
$atts = array(); |
| 237 |
foreach ($attachments as $attachment_id => $attachment_array) { |
| 238 |
|
| 239 |
$own = get_post_meta($attachment_id, 'isc_image_source_own', true); |
| 240 |
$source = get_post_meta($attachment_id, 'isc_image_source', true); |
| 241 |
|
| 242 |
// check if source of own images can be displayed |
| 243 |
if ( ($own == '' && $source == '' ) || ($own != '' && $this->_options['exclude_own_images'])) { |
| 244 |
unset($atts[$attachment_id]); |
| 245 |
continue; |
| 246 |
} else { |
| 247 |
$atts[$attachment_id]['title'] = get_the_title($attachment_id); |
| 248 |
$atts[$attachment_id]['source'] = $this->render_image_source_string($attachment_id); |
| 249 |
} |
| 250 |
|
| 251 |
} |
| 252 |
|
| 253 |
$return = $this->render_attachments($atts); |
| 254 |
} |
| 255 |
|
| 256 |
return $return; |
| 257 |
} |
| 258 |
|
| 259 |
/** |
| 260 |
* render attachment list |
| 261 |
* |
| 262 |
* @param array $attachments |
| 263 |
* @updated 1.3.5 |
| 264 |
* @updated 1.5 removed rendering the license to an earlier function |
| 265 |
*/ |
| 266 |
protected function render_attachments($attachments) |
| 267 |
{ |
| 268 |
// don't display anything, if no image sources displayed |
| 269 |
if ($attachments == array()) { |
| 270 |
return ; |
| 271 |
} |
| 272 |
|
| 273 |
|
| 274 |
$options = $this->get_isc_options(); |
| 275 |
|
| 276 |
ob_start(); |
| 277 |
$headline = $this->_options['image_list_headline']; |
| 278 |
?><div class="isc_image_list_box"><?php |
| 279 |
printf('<p class="isc_image_list_title">%1$s</p>', $headline); ?> |
| 280 |
<ul class="isc_image_list"><?php |
| 281 |
|
| 282 |
foreach ($attachments as $atts_id => $atts_array) { |
| 283 |
if (empty($atts_array['source'])) { |
| 284 |
continue; |
| 285 |
} |
| 286 |
printf('<li>%1$s: %2$s</li>', $atts_array['title'], $atts_array['source']); |
| 287 |
} |
| 288 |
?></ul></div><?php |
| 289 |
return ob_get_clean(); |
| 290 |
} |
| 291 |
|
| 292 |
/** |
| 293 |
* shortcode function to list all image sources |
| 294 |
* @param arr $atts |
| 295 |
*/ |
| 296 |
public function list_post_attachments_with_sources_shortcode($atts = array()) |
| 297 |
{ |
| 298 |
global $post; |
| 299 |
extract(shortcode_atts(array('id' => 0), $atts)); |
| 300 |
|
| 301 |
// if $id not set, use the current ID from the post |
| 302 |
if (empty($id)) { |
| 303 |
$id = $post->ID; |
| 304 |
} |
| 305 |
|
| 306 |
if (empty($id)) { |
| 307 |
return; |
| 308 |
} |
| 309 |
return $this->list_post_attachments_with_sources($id); |
| 310 |
} |
| 311 |
|
| 312 |
/** |
| 313 |
* create shortcode to list all image sources in the frontend |
| 314 |
* @param array $atts |
| 315 |
* @since 1.1.3 |
| 316 |
*/ |
| 317 |
public function list_all_post_attachments_sources_shortcode($atts = array()) |
| 318 |
{ |
| 319 |
extract(shortcode_atts(array( |
| 320 |
'per_page' => 99999, |
| 321 |
'before_links' => '', |
| 322 |
'after_links' => '', |
| 323 |
'prev_text' => '« Previous', |
| 324 |
'next_text' => 'Next »', |
| 325 |
'included' => 'displayed' |
| 326 |
), |
| 327 |
$atts)); |
| 328 |
|
| 329 |
if ('« Previous' == $prev_text) |
| 330 |
$prev_text = __('« Previous', 'image-source-control-isc'); |
| 331 |
if ('Next »' == $next_text) |
| 332 |
$next_text = __('Next »', 'image-source-control-isc'); |
| 333 |
|
| 334 |
// retrieve all attachments |
| 335 |
$args = array( |
| 336 |
'post_type' => 'attachment', |
| 337 |
'numberposts' => -1, |
| 338 |
'post_status' => null, |
| 339 |
'post_parent' => null |
| 340 |
); |
| 341 |
|
| 342 |
// check mode |
| 343 |
if( $included === 'all' ){ |
| 344 |
// load all images |
| 345 |
|
| 346 |
} else { // load only images attached to posts |
| 347 |
$args['meta_query'] = array( |
| 348 |
array( |
| 349 |
'key' => 'isc_image_posts', |
| 350 |
'value' => 'a:0:{}', |
| 351 |
'compare' => '!=' |
| 352 |
) |
| 353 |
); |
| 354 |
} |
| 355 |
|
| 356 |
$attachments = get_posts($args); |
| 357 |
if (empty($attachments)) { |
| 358 |
return; |
| 359 |
} |
| 360 |
|
| 361 |
$options = $this->get_isc_options(); |
| 362 |
|
| 363 |
$connected_atts = array(); |
| 364 |
|
| 365 |
foreach ($attachments as $_attachment) { |
| 366 |
$connected_atts[$_attachment->ID]['source'] = get_post_meta($_attachment->ID, 'isc_image_source', true); |
| 367 |
$connected_atts[$_attachment->ID]['own'] = get_post_meta($_attachment->ID, 'isc_image_source_own', true); |
| 368 |
// jump to next element if author images are not to be included in the list |
| 369 |
if($options['exclude_own_images'] && '' != $connected_atts[$_attachment->ID]['own']) { |
| 370 |
unset($connected_atts[$_attachment->ID]); |
| 371 |
continue; |
| 372 |
} |
| 373 |
|
| 374 |
$connected_atts[$_attachment->ID]['title'] = $_attachment->post_title; |
| 375 |
$connected_atts[$_attachment->ID]['author_name'] = ''; |
| 376 |
if ('' != $connected_atts[$_attachment->ID]['own']) { |
| 377 |
$connected_atts[$_attachment->ID]['author_name'] = get_the_author_meta('display_name', $_attachment->post_author); |
| 378 |
} |
| 379 |
|
| 380 |
$metadata = get_post_meta($_attachment->ID, 'isc_image_posts', true); |
| 381 |
$usage_data = ''; |
| 382 |
|
| 383 |
if (is_array($metadata) && array() != $metadata) { |
| 384 |
$usage_data .= "<ul style='margin: 0;'>"; |
| 385 |
$usage_data_array = array(); |
| 386 |
foreach($metadata as $data) { |
| 387 |
// only list published posts |
| 388 |
if(get_post_status($data) == 'publish') { |
| 389 |
$usage_data_array[] = sprintf(__('<li><a href="%1$s" title="View %2$s">%3$s</a></li>', 'image-source-control-isc'), |
| 390 |
esc_url(get_permalink($data)), |
| 391 |
esc_attr(get_the_title($data)), |
| 392 |
esc_html(get_the_title($data)) |
| 393 |
); |
| 394 |
} |
| 395 |
} |
| 396 |
if ( 'all' !== $included && $usage_data_array === array() ) { |
| 397 |
unset($connected_atts[$_attachment->ID]); |
| 398 |
continue; |
| 399 |
} |
| 400 |
$usage_data .= implode( '', $usage_data_array ); |
| 401 |
$usage_data .= "</ul>"; |
| 402 |
} |
| 403 |
|
| 404 |
$connected_atts[$_attachment->ID]['posts'] = $usage_data; |
| 405 |
} |
| 406 |
|
| 407 |
$total = count($connected_atts); |
| 408 |
|
| 409 |
if (0 == $total) |
| 410 |
return; |
| 411 |
|
| 412 |
$page = isset($_GET['isc-page']) ? intval($_GET['isc-page']) : 1; |
| 413 |
$down_limit = 1; // First page |
| 414 |
|
| 415 |
$up_limit = 1; |
| 416 |
|
| 417 |
if ($per_page < $total) { |
| 418 |
$rem = $total % $per_page; // The Remainder of $total/$per_page |
| 419 |
$up_limit = ($total - $rem) / $per_page; |
| 420 |
if (0 < $rem) { |
| 421 |
$up_limit++; //If rem is positive, add the last page that contains less than $per_page attachment; |
| 422 |
} |
| 423 |
} |
| 424 |
|
| 425 |
ob_start(); |
| 426 |
if ( 2 > $up_limit ) { |
| 427 |
$this->display_all_attachment_list($connected_atts); |
| 428 |
} else { |
| 429 |
$starting_atts = $per_page * ($page - 1); // for page 2 and 3 $per_page start display on $connected_atts[3*(2-1) = 3] |
| 430 |
$paged_atts = array_slice($connected_atts, $starting_atts, $per_page, true); |
| 431 |
$this->display_all_attachment_list($paged_atts); |
| 432 |
$this->pagination_links($up_limit, $before_links, $after_links, $prev_text, $next_text); |
| 433 |
} |
| 434 |
if (isset($options['webgilde']) && true == $options['webgilde']) { |
| 435 |
?> |
| 436 |
<p class="isc-backlink"><?php printf(__('Image list created by <a href="%s" title="Image Source Control">Image Source Control Plugin</a>', 'image-source-control-isc'), WEBGILDE); ?></p> |
| 437 |
<?php |
| 438 |
} |
| 439 |
|
| 440 |
$output = ob_get_clean(); |
| 441 |
return $output; |
| 442 |
} |
| 443 |
|
| 444 |
|
| 445 |
/** |
| 446 |
* performs rendering of all attachments list |
| 447 |
* @since 1.1.3 |
| 448 |
* @update 1.5 added new method to get source |
| 449 |
*/ |
| 450 |
public function display_all_attachment_list($atts) |
| 451 |
{ |
| 452 |
if (!is_array($atts) || $atts == array()) |
| 453 |
return; |
| 454 |
$options = $this->get_isc_options(); |
| 455 |
|
| 456 |
/** |
| 457 |
* added comment `isc_stop_overlay` as a class to the table to suppress overlays within it starting at that point |
| 458 |
* todo: allow overlays to start again after the table |
| 459 |
* |
| 460 |
*/ |
| 461 |
?><div class="isc_all_image_list_box isc_stop_overlay"> |
| 462 |
<table> |
| 463 |
<thead> |
| 464 |
<?php if ($options['thumbnail_in_list']) : ?> |
| 465 |
<th><?php _e('Thumbnail', 'image-source-control-isc'); ?></th> |
| 466 |
<?php endif; ?> |
| 467 |
<th><?php _e("Attachment's ID", 'image-source-control-isc'); ?></th> |
| 468 |
<th><?php _e('Title', 'image-source-control-isc'); ?></th> |
| 469 |
<th><?php _e('Attached to', 'image-source-control-isc'); ?></th> |
| 470 |
<th><?php _e('Source', 'image-source-control-isc'); ?></th> |
| 471 |
</thead> |
| 472 |
<tbody> |
| 473 |
<?php foreach ($atts as $id => $data) : ?> |
| 474 |
<?php |
| 475 |
$source = $this->render_image_source_string($id); |
| 476 |
?> |
| 477 |
<tr> |
| 478 |
<?php |
| 479 |
$v_align = ''; |
| 480 |
if ($options['thumbnail_in_list']) : |
| 481 |
$v_align = 'style="vertical-align: top;"'; |
| 482 |
?> |
| 483 |
<?php if ('custom' != $options['thumbnail_size']) : ?> |
| 484 |
<td><?php echo wp_get_attachment_image($id, $options['thumbnail_size']); ?></td> |
| 485 |
<?php else : ?> |
| 486 |
<td><?php echo wp_get_attachment_image($id, array($options['thumbnail_width'], $options['thumbnail_height'])); ?></td> |
| 487 |
<?php endif; ?> |
| 488 |
<?php endif; ?> |
| 489 |
<td <?php echo $v_align;?>><?php echo $id; ?></td> |
| 490 |
<td <?php echo $v_align;?>><?php echo $data['title']; ?></td> |
| 491 |
<td <?php echo $v_align;?>><?php echo $data['posts']; ?></td> |
| 492 |
<td <?php echo $v_align;?>><?php echo $source; ?></td> |
| 493 |
</tr> |
| 494 |
<?php endforeach; ?> |
| 495 |
</tbody> |
| 496 |
</table></div> |
| 497 |
<?php |
| 498 |
} |
| 499 |
|
| 500 |
/** |
| 501 |
* Render pagination links, use $before_links and after_links to wrap pagination links inside an additional block |
| 502 |
* @param int $max_page total page count |
| 503 |
* @param string $before_links optional html to display before pagination links |
| 504 |
* @param string $after_links optional html to display after pagination links |
| 505 |
* @param string $prev_text text for the previous page link |
| 506 |
* @param string $next_text text for the next page link |
| 507 |
* @since 1.1.3 |
| 508 |
* |
| 509 |
*/ |
| 510 |
public function pagination_links($max_page, $before_links, $after_links, $prev_text, $next_text) |
| 511 |
{ |
| 512 |
if ((!isset($max_page)) || (!isset($before_links)) || (!isset($after_links)) || (!isset($prev_text)) || (!isset($next_text))) |
| 513 |
return; |
| 514 |
if (!empty($before_links)) |
| 515 |
echo $before_links; |
| 516 |
?> |
| 517 |
<div class="isc-paginated-links"> |
| 518 |
<?php |
| 519 |
$page = isset($_GET['isc-page']) ? intval($_GET['isc-page']) : 1; |
| 520 |
if ($max_page < $page) { |
| 521 |
$page = $max_page; |
| 522 |
} |
| 523 |
if ($page < 1) { |
| 524 |
$page = 1; |
| 525 |
} |
| 526 |
$min_page = 1; |
| 527 |
$backward_distance = $page - $min_page; |
| 528 |
$forward_distance = $max_page - $page; |
| 529 |
|
| 530 |
$page_link = get_page_link(); |
| 531 |
|
| 532 |
/** |
| 533 |
* Remove the query_string of the page_link (?page_id=xyz for the standard permalink structure), |
| 534 |
* which is already captured in $_SERVER['QUERY_STRING']. |
| 535 |
* @todo replace regex with other value (does WP store the url path without attributes somewhere? |
| 536 |
* >get_page_link() returns the permalink but for the default WP permalink structure, the permalink looks like "http://domain.tld/?p=52", while $_GET |
| 537 |
* still has a field named 'page_id' with the same value of 52. |
| 538 |
*/ |
| 539 |
|
| 540 |
$pos = strpos($page_link, '?'); |
| 541 |
if (false !== $pos) { |
| 542 |
$page_link = substr($page_link, 0, $pos); |
| 543 |
} |
| 544 |
|
| 545 |
/** |
| 546 |
* Unset the actual "$_GET['isc-page']" variable (if is set). Pagination variable will be appended to the new query string with a different value for each |
| 547 |
* pagination link. |
| 548 |
*/ |
| 549 |
|
| 550 |
if (isset($_GET['isc-page'])) { |
| 551 |
unset($_GET['isc-page']); |
| 552 |
} |
| 553 |
|
| 554 |
$query_string = http_build_query($_GET); |
| 555 |
|
| 556 |
$isc_query_tag = ''; |
| 557 |
if (empty($query_string)) { |
| 558 |
$isc_query_tag = '?isc-page='; |
| 559 |
} else { |
| 560 |
$query_string = '?' . $query_string; |
| 561 |
$isc_query_tag = '&isc-page='; |
| 562 |
} |
| 563 |
|
| 564 |
if ($min_page != $page) { |
| 565 |
?> |
| 566 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-1); ?>" class="prev page-numbers"><?php echo $prev_text; ?></a> |
| 567 |
<?php |
| 568 |
} |
| 569 |
|
| 570 |
if (5 < $max_page) { |
| 571 |
|
| 572 |
if (3 < $backward_distance) { |
| 573 |
?> |
| 574 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag; ?>1" class="page-numbers">1</a> |
| 575 |
<span class="page-numbers dots">...</span> |
| 576 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-2);?>" class="page-numbers"><?php echo $page-2; ?></a> |
| 577 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page-1);?>" class="page-numbers"><?php echo $page-1; ?></a> |
| 578 |
<span class="page-numbers current"><?php echo $page; ?></span> |
| 579 |
<?php |
| 580 |
} else { |
| 581 |
for ($i = 1; $i <= $page; $i++) { |
| 582 |
if ($i == $page) { |
| 583 |
?> |
| 584 |
<span class="page-numbers current"><?php echo $i; ?></span> |
| 585 |
<?php |
| 586 |
} else { |
| 587 |
?> |
| 588 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a> |
| 589 |
<?php |
| 590 |
} |
| 591 |
} |
| 592 |
} |
| 593 |
|
| 594 |
if (3 < $forward_distance) { |
| 595 |
?> |
| 596 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+1);?>" class="page-numbers"><?php echo $page+1; ?></a> |
| 597 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+2);?>" class="page-numbers"><?php echo $page+2; ?></a> |
| 598 |
<span class="page-numbers dots">...</span> |
| 599 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $max_page;?>" class="page-numbers"><?php echo $max_page; ?></a> |
| 600 |
<?php |
| 601 |
} else { |
| 602 |
for ($i = $page+1; $i <= $max_page; $i++) { |
| 603 |
?> |
| 604 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a> |
| 605 |
<?php |
| 606 |
} |
| 607 |
} |
| 608 |
} else { |
| 609 |
for ($i = 1; $i <= $max_page; $i++) { |
| 610 |
if ($i == $page) { |
| 611 |
?> |
| 612 |
<span class="page-numbers current"><?php echo $i; ?></span> |
| 613 |
<?php |
| 614 |
} else { |
| 615 |
?> |
| 616 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . $i;?>" class="page-numbers"><?php echo $i; ?></a> |
| 617 |
<?php |
| 618 |
} |
| 619 |
} |
| 620 |
} |
| 621 |
if ($page != $max_page) { |
| 622 |
?> |
| 623 |
<a href="<?php echo $page_link . $query_string . $isc_query_tag . ($page+1);?>" class="next page-numbers"><?php echo $next_text; ?></a> |
| 624 |
<?php |
| 625 |
} |
| 626 |
?> |
| 627 |
</div> |
| 628 |
<?php |
| 629 |
echo $after_links; |
| 630 |
} |
| 631 |
|
| 632 |
/** |
| 633 |
* get source string of a feature image |
| 634 |
* |
| 635 |
* @since 1.8 |
| 636 |
* @param $post_id |
| 637 |
* @return source string |
| 638 |
*/ |
| 639 |
function get_thumbnail_source_string($post_id = 0){ |
| 640 |
|
| 641 |
if(empty($post_id)) return ''; |
| 642 |
|
| 643 |
$options = $this->get_isc_options(); |
| 644 |
|
| 645 |
if(has_post_thumbnail($post_id)){ |
| 646 |
$id = get_post_thumbnail_id($post_id); |
| 647 |
$thumb = get_post($post_id); |
| 648 |
|
| 649 |
// don’t show caption for own image if admin choose not to do so |
| 650 |
if($options['exclude_own_images']){ |
| 651 |
if(get_post_meta($id, 'isc_image_source_own', true)) return ''; |
| 652 |
} |
| 653 |
// don’t display empty sources |
| 654 |
$src = $thumb->guid; |
| 655 |
if(!$source_string = $this->render_image_source_string($id)) return ''; |
| 656 |
|
| 657 |
return '<p class="isc-source-text">' . $options['source_pretext'] . ' ' . $source_string . '</p>'; |
| 658 |
} |
| 659 |
|
| 660 |
return ''; |
| 661 |
} |
| 662 |
|
| 663 |
/** |
| 664 |
* load an image source string by url |
| 665 |
* |
| 666 |
* @updated 1.5 |
| 667 |
* @deprecated since 1.9 |
| 668 |
* @param string $url url of the image |
| 669 |
* @return type |
| 670 |
*/ |
| 671 |
public function get_source_by_url($url) |
| 672 |
{ |
| 673 |
// get the id by the image source |
| 674 |
$id = $this->get_image_by_url($url); |
| 675 |
|
| 676 |
return $this->render_image_source_string($id); |
| 677 |
|
| 678 |
} |
| 679 |
|
| 680 |
/** |
| 681 |
* render source string of single image by its id |
| 682 |
* this only returns the string with source and license (and urls), |
| 683 |
* but no wrapping, because the string is used in a lot of functions |
| 684 |
* (e.g. image source list where title is prepended) |
| 685 |
* |
| 686 |
* @updated 1.5 wrapped source into source url |
| 687 |
* |
| 688 |
* @param int $id id of the image |
| 689 |
* @return bool|string false if no source was given, else string with source |
| 690 |
*/ |
| 691 |
public function render_image_source_string($id){ |
| 692 |
$id = absint($id); |
| 693 |
|
| 694 |
$options = $this->get_isc_options(); |
| 695 |
|
| 696 |
$metadata['source'] = get_post_meta($id, 'isc_image_source', true); |
| 697 |
$metadata['source_url'] = get_post_meta($id, 'isc_image_source_url', true); |
| 698 |
$metadata['own'] = get_post_meta($id, 'isc_image_source_own', true); |
| 699 |
$metadata['licence'] = get_post_meta($id, 'isc_image_licence', true); |
| 700 |
|
| 701 |
$source = ''; |
| 702 |
|
| 703 |
$att_post = get_post($id); |
| 704 |
|
| 705 |
if ('' != $metadata['own']) { |
| 706 |
if ($this->_options['use_authorname']) { |
| 707 |
if (!empty($att_post)) { |
| 708 |
$source = get_the_author_meta('display_name', $att_post->post_author); |
| 709 |
} |
| 710 |
} else { |
| 711 |
$source = $this->_options['by_author_text']; |
| 712 |
} |
| 713 |
} else { |
| 714 |
if ('' != $metadata['source']) { |
| 715 |
$source = $metadata['source']; |
| 716 |
} |
| 717 |
} |
| 718 |
|
| 719 |
if($source == '') return false; |
| 720 |
|
| 721 |
// wrap link around source, if given |
| 722 |
if('' != $metadata['source_url']){ |
| 723 |
$source = sprintf('<a href="%2$s" target="_blank" rel="nofollow">%1$s</a>', $source, $metadata['source_url']); |
| 724 |
} |
| 725 |
|
| 726 |
// add license if enabled |
| 727 |
if($options['enable_licences'] && isset($metadata['licence']) && $metadata['licence']) { |
| 728 |
$licences = $this->licences_text_to_array($options['licences']); |
| 729 |
if(isset($licences[$metadata['licence']]['url'])) $licence_url = $licences[$metadata['licence']]['url']; |
| 730 |
|
| 731 |
if(isset($licence_url) && $licence_url != '') { |
| 732 |
$source = sprintf('%1$s | <a href="%3$s" target="_blank" rel="nofollow">%2$s</a>', $source, $metadata['licence'], $licence_url); |
| 733 |
} else { |
| 734 |
$source = sprintf('%1$s | %2$s', $source, $metadata['licence']); |
| 735 |
} |
| 736 |
} |
| 737 |
|
| 738 |
return $source; |
| 739 |
} |
| 740 |
|
| 741 |
/** |
| 742 |
* save image information for a post when it is viewed – only called when using isc_list function |
| 743 |
* (to help indexing old posts) |
| 744 |
* |
| 745 |
* @since 1.1 |
| 746 |
*/ |
| 747 |
public function save_image_information_on_load() |
| 748 |
{ |
| 749 |
global $post; |
| 750 |
if (empty($post->ID)) { |
| 751 |
return; |
| 752 |
} |
| 753 |
|
| 754 |
$post_id = $post->ID; |
| 755 |
$_content = $post->post_content; |
| 756 |
|
| 757 |
$this->save_image_information($post_id, $_content); |
| 758 |
} |
| 759 |
|
| 760 |
} |
| 761 |
} |
| 762 |
|
