| 1 | <?php
|
|---|
| 2 | /*
|
|---|
| 3 | Plugin Name: Live Comment Preview
|
|---|
| 4 | Plugin URI: http://wordpress.org/extend/plugins/live-comment-preview/
|
|---|
| 5 | Description: Displays a preview of the user's comment as they type it.
|
|---|
| 6 | Author: Brad Touesnard
|
|---|
| 7 | Author URI: http://bradt.ca/
|
|---|
| 8 | Version: 2.0.1
|
|---|
| 9 |
|
|---|
| 10 | This program is free software; you can redistribute it and/or modify
|
|---|
| 11 | it under the terms of the GNU General Public License as published by
|
|---|
| 12 | the Free Software Foundation; either version 2 of the License, or
|
|---|
| 13 | (at your option) any later version.
|
|---|
| 14 |
|
|---|
| 15 | This program is distributed in the hope that it will be useful,
|
|---|
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 18 | GNU General Public License for more details.
|
|---|
| 19 |
|
|---|
| 20 | You should have received a copy of the GNU General Public License
|
|---|
| 21 | along with this program; if not, write to the Free Software
|
|---|
| 22 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|---|
| 23 | */
|
|---|
| 24 |
|
|---|
| 25 | function lcp_output_js() {
|
|---|
| 26 | global $user_ID, $user_identity;
|
|---|
| 27 |
|
|---|
| 28 | // Avatar settings
|
|---|
| 29 | $avatar_size = 32;
|
|---|
| 30 | $avatar_default = get_option('avatar_default');
|
|---|
| 31 | $avatar_rating = get_option('avatar_rating');
|
|---|
| 32 |
|
|---|
| 33 | $previewFormat = '';
|
|---|
| 34 |
|
|---|
| 35 | $file = TEMPLATEPATH . '/comment-preview.php';
|
|---|
| 36 | if (file_exists($file)) {
|
|---|
| 37 | ob_start();
|
|---|
| 38 | include($file);
|
|---|
| 39 | $previewFormat = ob_get_clean();
|
|---|
| 40 |
|
|---|
| 41 | // Get avatar size
|
|---|
| 42 | if (preg_match('@<img(.*?)class=.avatar(.*?)>@s', $previewFormat, $matches)) {
|
|---|
| 43 | $img_tag = $matches[0];
|
|---|
| 44 |
|
|---|
| 45 | if (preg_match('@width=.([0-9]+)@', $img_tag, $matches)) {
|
|---|
| 46 | $avatar_size = $matches[1];
|
|---|
| 47 | }
|
|---|
| 48 | }
|
|---|
| 49 | }
|
|---|
| 50 |
|
|---|
| 51 | $file = TEMPLATEPATH . '/comments.php';
|
|---|
| 52 | if (!$previewFormat && file_exists($file)) {
|
|---|
| 53 | global $wp_query, $comments, $comment, $post;
|
|---|
| 54 |
|
|---|
| 55 | $post->comment_status = 'open';
|
|---|
| 56 |
|
|---|
| 57 | $comment->comment_ID = 'lcp';
|
|---|
| 58 | $comment->comment_content = 'COMMENT_CONTENT';
|
|---|
| 59 | $comment->comment_author = 'COMMENT_AUTHOR';
|
|---|
| 60 | $comment->comment_parent = 0;
|
|---|
| 61 | $comment->comment_date = time();
|
|---|
| 62 |
|
|---|
| 63 | $wp_query->comment = $comment;
|
|---|
| 64 | $wp_query->comments = $comments = array($comment);
|
|---|
| 65 | $wp_query->current_comment = -1;
|
|---|
| 66 | $wp_query->comment_count = 1;
|
|---|
| 67 |
|
|---|
| 68 | ob_start();
|
|---|
| 69 | include($file);
|
|---|
| 70 | $html = ob_get_clean();
|
|---|
| 71 |
|
|---|
| 72 | if (preg_match('@<ol(.*?)class=.commentlist(.*)</ol>@s', $html, $matches)) {
|
|---|
| 73 | $previewFormat = $matches[0];
|
|---|
| 74 |
|
|---|
| 75 | $previewFormat = preg_replace('@http://COMMENT_AUTHOR_URL@', 'COMMENT_AUTHOR_URL', $previewFormat);
|
|---|
| 76 |
|
|---|
| 77 | if (preg_match('@<img(.*?)class=.avatar(.*?)>@s', $previewFormat, $matches)) {
|
|---|
| 78 | $img_tag = $matches[0];
|
|---|
| 79 | $new_img_tag = preg_replace('@src=("|\')(.*?)("|\')@', 'src=$1AVATAR_URL$3', $img_tag);
|
|---|
| 80 | $previewFormat = str_replace($img_tag, $new_img_tag, $previewFormat);
|
|---|
| 81 |
|
|---|
| 82 | if (preg_match('@width=.([0-9]+)@', $img_tag, $matches)) {
|
|---|
| 83 | $avatar_size = $matches[1];
|
|---|
| 84 | }
|
|---|
| 85 | }
|
|---|
| 86 | }
|
|---|
| 87 | }
|
|---|
| 88 |
|
|---|
| 89 | if ( !$avatar_default )
|
|---|
| 90 | $avatar_default = 'mystery';
|
|---|
| 91 |
|
|---|
| 92 | if ( is_ssl() ) {
|
|---|
| 93 | $host = 'https://secure.gravatar.com';
|
|---|
| 94 | } else {
|
|---|
| 95 | if ( !empty($email) )
|
|---|
| 96 | $host = sprintf( "http://%d.gravatar.com", ( hexdec( $email_hash{0} ) % 2 ) );
|
|---|
| 97 | else
|
|---|
| 98 | $host = 'http://0.gravatar.com';
|
|---|
| 99 | }
|
|---|
| 100 |
|
|---|
| 101 | if ( 'mystery' == $avatar_default )
|
|---|
| 102 | $avatar_default = "$host/avatar/ad516503a11cd5ca435acc9bb6523536"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com')
|
|---|
| 103 | elseif ( 'blank' == $avatar_default )
|
|---|
| 104 | $avatar_default = includes_url('images/blank.gif');
|
|---|
| 105 | elseif ( 'gravatar_default' == $avatar_default )
|
|---|
| 106 | $avatar_default = "$host/avatar/";
|
|---|
| 107 |
|
|---|
| 108 | // Just in case the other two methods didn't work out
|
|---|
| 109 | if (!$previewFormat) {
|
|---|
| 110 | $previewFormat = '
|
|---|
| 111 | <ol class="commentlist">
|
|---|
| 112 | <li id="comment-preview">
|
|---|
| 113 | <img src="' . $avatar_default . '" alt="" class="avatar avatar-' . $avatar_size . '" width="' . $avatar_size . '" height="' . $avatar_size . '"/>
|
|---|
| 114 | <cite>COMMENT_AUTHOR</cite> Says:
|
|---|
| 115 | <br />
|
|---|
| 116 | COMMENT_CONTENT
|
|---|
| 117 | </li>
|
|---|
| 118 | </ol>';
|
|---|
| 119 | }
|
|---|
| 120 |
|
|---|
| 121 | // If you have changed the ID's on your form field elements
|
|---|
| 122 | // You should make them match here
|
|---|
| 123 | $commentFrom_commentID = 'comment';
|
|---|
| 124 | $commentFrom_authorID = 'author';
|
|---|
| 125 | $commentFrom_urlID = 'url';
|
|---|
| 126 | $commentFrom_emailID = 'email';
|
|---|
| 127 |
|
|---|
| 128 | $user_gravatar = '';
|
|---|
| 129 | // Default name
|
|---|
| 130 | if ($user_ID) {
|
|---|
| 131 | $default_name = $user_identity;
|
|---|
| 132 |
|
|---|
| 133 | $user = get_userdata($user_ID);
|
|---|
| 134 | if ($user) {
|
|---|
| 135 | $user_gravatar = 'http://www.gravatar.com/avatar/' . md5(strtolower($user->user_email));
|
|---|
| 136 | }
|
|---|
| 137 | }
|
|---|
| 138 | else {
|
|---|
| 139 | $default_name = 'Anonymous';
|
|---|
| 140 | }
|
|---|
| 141 |
|
|---|
| 142 | // You shouldn't need to edit anything else.
|
|---|
| 143 |
|
|---|
| 144 | header('Content-type: text/javascript');
|
|---|
| 145 | global $allowedtags;
|
|---|
| 146 | ?>
|
|---|
| 147 |
|
|---|
| 148 | var allowedtags=['<?php echo implode("', '", array_keys($allowedtags)) ?>'];
|
|---|
| 149 |
|
|---|
| 150 | function wptexturize(text) {
|
|---|
| 151 | text = ' '+text+' ';
|
|---|
| 152 | var next = true;
|
|---|
| 153 | var output = '';
|
|---|
| 154 | var prev = 0;
|
|---|
| 155 | var length = text.length;
|
|---|
| 156 | var tagsre = new RegExp('^/?(' + allowedtags.join('|') + ')\\b', 'i');
|
|---|
| 157 | while ( prev < length ) {
|
|---|
| 158 | var index = text.indexOf('<', prev);
|
|---|
| 159 | if ( index > -1 ) {
|
|---|
| 160 | if ( index == prev ) {
|
|---|
| 161 | index = text.indexOf('>', prev);
|
|---|
| 162 | }
|
|---|
| 163 | index++;
|
|---|
| 164 | } else {
|
|---|
| 165 | index = length;
|
|---|
| 166 | }
|
|---|
| 167 | var s = text.substring(prev, index);
|
|---|
| 168 | prev = index;
|
|---|
| 169 | if (output.match(/<$/) && !s.match(tagsre)) {
|
|---|
| 170 | // jwz: omit illegal tags
|
|---|
| 171 | output = output.replace(/<$/, ' ');
|
|---|
| 172 | s = s.replace(/^[^>]*(>|$)/, '');
|
|---|
| 173 | } else if ( s.substr(0,1) != '<' && next == true ) {
|
|---|
| 174 | s = s.replace(/---/g, '—');
|
|---|
| 175 | s = s.replace(/--/g, '–');
|
|---|
| 176 | s = s.replace(/\.{3}/g, '…');
|
|---|
| 177 | s = s.replace(/``/g, '“');
|
|---|
| 178 | s = s.replace(/'s/g, '’s');
|
|---|
| 179 | s = s.replace(/'(\d\d(?:’|')?s)/g, '’$1');
|
|---|
| 180 | s = s.replace(/([\s"])'/g, '$1‘');
|
|---|
| 181 | s = s.replace(/([^\s])'([^'\s])/g, '$1’$2');
|
|---|
| 182 | s = s.replace(/(\s)"([^\s])/g, '$1“$2');
|
|---|
| 183 | s = s.replace(/"(\s)/g, '”$1');
|
|---|
| 184 | s = s.replace(/'(\s|.)/g, '’$1');
|
|---|
| 185 | s = s.replace(/\(tm\)/ig, '™');
|
|---|
| 186 | s = s.replace(/\(c\)/ig, '©');
|
|---|
| 187 | s = s.replace(/\(r\)/ig, '®');
|
|---|
| 188 | s = s.replace(/''/g, '”');
|
|---|
| 189 | s = s.replace(/(\d+)x(\d+)/g, '$1×$2');
|
|---|
| 190 | } else if ( s.substr(0,5) == '<code' ) {
|
|---|
| 191 | next = false;
|
|---|
| 192 | } else {
|
|---|
| 193 | next = true;
|
|---|
| 194 | }
|
|---|
| 195 | output += s;
|
|---|
| 196 | }
|
|---|
| 197 | return output.substr(1, output.length-2);
|
|---|
| 198 | }
|
|---|
| 199 |
|
|---|
| 200 | function wpautop(p) {
|
|---|
| 201 | p = p + '\n\n';
|
|---|
| 202 | p = p.replace(/(<blockquote[^>]*>)/g, '\n$1');
|
|---|
| 203 | p = p.replace(/(<\/blockquote[^>]*>)/g, '$1\n');
|
|---|
| 204 | p = p.replace(/\r\n/g, '\n');
|
|---|
| 205 | p = p.replace(/\r/g, '\n');
|
|---|
| 206 | p = p.replace(/\n\n+/g, '\n\n');
|
|---|
| 207 | p = p.replace(/\n?(.+?)(?:\n\s*\n)/g, '<p>$1</p>');
|
|---|
| 208 | p = p.replace(/<p>\s*?<\/p>/g, '');
|
|---|
| 209 | p = p.replace(/<p>\s*(<\/?blockquote[^>]*>)\s*<\/p>/g, '$1');
|
|---|
| 210 | p = p.replace(/<p><blockquote([^>]*)>/ig, '<blockquote$1><p>');
|
|---|
| 211 | p = p.replace(/<\/blockquote><\/p>/ig, '<p></blockquote>');
|
|---|
| 212 | p = p.replace(/<p>\s*<blockquote([^>]*)>/ig, '<blockquote$1>');
|
|---|
| 213 | p = p.replace(/<\/blockquote>\s*<\/p>/ig, '</blockquote>');
|
|---|
| 214 | p = p.replace(/\s*\n\s*/g, '<br />');
|
|---|
| 215 | return p;
|
|---|
| 216 | }
|
|---|
| 217 |
|
|---|
| 218 | function updateLivePreview() {
|
|---|
| 219 |
|
|---|
| 220 | var cmntArea = document.getElementById('<?php echo $commentFrom_commentID ?>');
|
|---|
| 221 | var pnmeArea = document.getElementById('<?php echo $commentFrom_authorID ?>');
|
|---|
| 222 | var purlArea = document.getElementById('<?php echo $commentFrom_urlID ?>');
|
|---|
| 223 | var emlArea = document.getElementById('<?php echo $commentFrom_emailID ?>');
|
|---|
| 224 |
|
|---|
| 225 | if( cmntArea != null )
|
|---|
| 226 | var cmnt = wpautop(wptexturize(cmntArea.value));
|
|---|
| 227 | else
|
|---|
| 228 | var cmnt = '';
|
|---|
| 229 |
|
|---|
| 230 | if( pnmeArea != null )
|
|---|
| 231 | var pnme = pnmeArea.value;
|
|---|
| 232 | else
|
|---|
| 233 | var pnme = '';
|
|---|
| 234 |
|
|---|
| 235 | if( purlArea != null )
|
|---|
| 236 | var purl = purlArea.value;
|
|---|
| 237 | else
|
|---|
| 238 | var purl = '';
|
|---|
| 239 |
|
|---|
| 240 | if ( emlArea != null )
|
|---|
| 241 | var eml = emlArea.value;
|
|---|
| 242 | else
|
|---|
| 243 | var eml = '';
|
|---|
| 244 |
|
|---|
| 245 | if(purl && pnme) {
|
|---|
| 246 | var name = '<a href="' + purl + '">' + pnme + '</a>';
|
|---|
| 247 | } else if(!purl && pnme) {
|
|---|
| 248 | var name = pnme;
|
|---|
| 249 | } else if(purl && !pnme) {
|
|---|
| 250 | var name = '<a href="' + purl + '"><?php echo addslashes($default_name); ?></a>';
|
|---|
| 251 | } else {
|
|---|
| 252 | var name = "<?php echo addslashes($default_name); ?>";
|
|---|
| 253 | }
|
|---|
| 254 |
|
|---|
| 255 | var user_gravatar = '<?php echo addslashes($user_gravatar); ?>';
|
|---|
| 256 | var gravatar = '<?php echo addslashes($avatar_default); ?>?';
|
|---|
| 257 | if (eml != '') {
|
|---|
| 258 | gravatar = 'http://www.gravatar.com/avatar/' + hex_md5(eml) + '?d=<?php echo urlencode($avatar_default); ?>&';
|
|---|
| 259 | }
|
|---|
| 260 | else if (user_gravatar != '') {
|
|---|
| 261 | gravatar = user_gravatar + '?d=<?php echo urlencode($avatar_default); ?>&';
|
|---|
| 262 | }
|
|---|
| 263 |
|
|---|
| 264 | gravatar += 's=<?php echo $avatar_size; ?>';
|
|---|
| 265 |
|
|---|
| 266 | <?php
|
|---|
| 267 | if (!empty($avatar_rating)) {
|
|---|
| 268 | ?>
|
|---|
| 269 | gravatar += '&r=<?php echo urlencode($avatar_rating) ?>';
|
|---|
| 270 | <?php
|
|---|
| 271 | }
|
|---|
| 272 |
|
|---|
| 273 | $previewFormat = str_replace("\r", "", $previewFormat);
|
|---|
| 274 | $previewFormat = str_replace("\n", "", $previewFormat);
|
|---|
| 275 | $previewFormat = str_replace("'", "\'", $previewFormat);
|
|---|
| 276 | $previewFormat = str_replace("COMMENT_AUTHOR", "' + name + '", $previewFormat);
|
|---|
| 277 | $previewFormat = str_replace("COMMENT_CONTENT", "' + cmnt + '", $previewFormat);
|
|---|
| 278 | $previewFormat = str_replace("AVATAR_URL", "' + gravatar + '", $previewFormat);
|
|---|
| 279 | $previewFormat = "'" . $previewFormat . "';\n";
|
|---|
| 280 | ?>
|
|---|
| 281 | document.getElementById('commentPreview').innerHTML = <?php echo $previewFormat; ?>
|
|---|
| 282 | }
|
|---|
| 283 |
|
|---|
| 284 | function initLivePreview() {
|
|---|
| 285 | if(!document.getElementById)
|
|---|
| 286 | return false;
|
|---|
| 287 |
|
|---|
| 288 | var cmntArea = document.getElementById('<?php echo $commentFrom_commentID ?>');
|
|---|
| 289 | var pnmeArea = document.getElementById('<?php echo $commentFrom_authorID ?>');
|
|---|
| 290 | var purlArea = document.getElementById('<?php echo $commentFrom_urlID ?>');
|
|---|
| 291 |
|
|---|
| 292 | if ( cmntArea )
|
|---|
| 293 | cmntArea.onkeyup = updateLivePreview;
|
|---|
| 294 |
|
|---|
| 295 | if ( pnmeArea )
|
|---|
| 296 | pnmeArea.onkeyup = updateLivePreview;
|
|---|
| 297 |
|
|---|
| 298 | if ( purlArea )
|
|---|
| 299 | purlArea.onkeyup = updateLivePreview;
|
|---|
| 300 | }
|
|---|
| 301 |
|
|---|
| 302 | //========================================================
|
|---|
| 303 | // Event Listener by Scott Andrew - http://scottandrew.com
|
|---|
| 304 | // edited by Mark Wubben, <useCapture> is now set to false
|
|---|
| 305 | //========================================================
|
|---|
| 306 | function addEvent(obj, evType, fn){
|
|---|
| 307 | if(obj.addEventListener){
|
|---|
| 308 | obj.addEventListener(evType, fn, false);
|
|---|
| 309 | return true;
|
|---|
| 310 | } else if (obj.attachEvent){
|
|---|
| 311 | var r = obj.attachEvent('on'+evType, fn);
|
|---|
| 312 | return r;
|
|---|
| 313 | } else {
|
|---|
| 314 | return false;
|
|---|
| 315 | }
|
|---|
| 316 | }
|
|---|
| 317 |
|
|---|
| 318 | addEvent(window, "load", initLivePreview);
|
|---|
| 319 |
|
|---|
| 320 | <?php
|
|---|
| 321 | // Add the MD5 functions using PHP so we only
|
|---|
| 322 | // need to make 1 request to the web server for JS
|
|---|
| 323 | $plugin_path = dirname(__FILE__);
|
|---|
| 324 | $md5_file = $plugin_path . '/md5.js';
|
|---|
| 325 | @include($md5_file);
|
|---|
| 326 |
|
|---|
| 327 | // We're done outputting JS
|
|---|
| 328 | die();
|
|---|
| 329 | }
|
|---|
| 330 |
|
|---|
| 331 | function live_preview($before='', $after='') {
|
|---|
| 332 | global $livePreviewDivAdded;
|
|---|
| 333 | if($livePreviewDivAdded == false) {
|
|---|
| 334 | // We don't want this included in every page
|
|---|
| 335 | // so we add it here instead of using the wphead filter
|
|---|
| 336 | echo '<script src="' . get_option('home') . '/?live-comment-preview.js" type="text/javascript"></script>';
|
|---|
| 337 | echo $before.'<div id="commentPreview"></div>'.$after;
|
|---|
| 338 | $livePreviewDivAdded = true;
|
|---|
| 339 | }
|
|---|
| 340 | }
|
|---|
| 341 |
|
|---|
| 342 | function lcp_add_preview_div($post_id) {
|
|---|
| 343 | live_preview();
|
|---|
| 344 | return $post_id;
|
|---|
| 345 | }
|
|---|
| 346 |
|
|---|
| 347 | $livePreviewDivAdded == false;
|
|---|
| 348 |
|
|---|
| 349 | if( stristr($_SERVER['REQUEST_URI'], 'live-comment-preview.js') ) {
|
|---|
| 350 | add_action('template_redirect', 'lcp_output_js');
|
|---|
| 351 | }
|
|---|
| 352 |
|
|---|
| 353 | add_action('comment_form', 'lcp_add_preview_div');
|
|---|