<?php
class CommentListTheme extends Themelet {
private $comments_shown = 0;
private $show_anon_id = false;
private $anon_id = 1;
private $anon_cid = 0;
private $anon_map = array();
private $ct = null;
private function get_anon_colour($ip) {
if(is_null($this->ct)) {
$this->ct = hsl_rainbow();
}
if(!array_key_exists($ip, $this->anon_map)) {
$this->anon_map[$ip] = $this->ct[$this->anon_cid++ % count($this->ct)];
}
return $this->anon_map[$ip];
}
/**
* Display a page with a list of images, and for each image, the image's comments.
*
* @param array $images
* @param int $page_number
* @param int $total_pages
* @param bool $can_post
*/
public function display_comment_list($images, $page_number, $total_pages, $can_post) {
global $config, $page, $user;
// aaaaaaargh php
assert(is_array($images));
assert(is_numeric($page_number));
assert(is_numeric($total_pages));
assert(is_bool($can_post));
// parts for the whole page
$prev = $page_number - 1;
$next = $page_number + 1;
$h_prev = ($page_number <= 1) ? "Prev" :
'<a href="'.make_link('comment/list/'.$prev).'">Prev</a>';
$h_index = "<a href='".make_link("post/list")."'>Index</a>";
$h_next = ($page_number >= $total_pages) ? "Next" :
'<a href="'.make_link('comment/list/'.$next).'">Next</a>';
$nav = $h_prev.' | '.$h_index.' | '.$h_next;
$page->set_title("Comments");
$page->set_heading("Comments");
$page->add_block(new Block("Navigation", $nav, "left"));
$this->display_paginator($page, "comment/list", null, $page_number, $total_pages);
// parts for each image
$position = 10;
$comment_limit = $config->get_int("comment_list_count", 10);
$comment_captcha = $config->get_bool('comment_captcha');
foreach($images as $pair) {
$image = $pair[0];
$comments = $pair[1];
$thumb_html = $this->build_thumb_html($image);
$comment_html = "";
$comment_count = count($comments);
if($comment_limit > 0 && $comment_count > $comment_limit) {
$comment_html .= "<p>showing $comment_limit of $comment_count comments</p>";
$comments = array_slice($comments, -$comment_limit);
$this->show_anon_id = false;
}
else {
$this->show_anon_id = true;
}
$this->anon_id = 1;
foreach($comments as $comment) {
$comment_html .= $this->comment_to_html($comment);
}
if(!$user->is_anonymous()) {
if($can_post) {
$comment_html .= $this->build_postbox($image->id);
}
} else {
if ($can_post) {
if(!$comment_captcha) {
$comment_html .= $this->build_postbox($image->id);
}
else {
$link = make_link("post/view/".$image->id);
$comment_html .= "<a href='$link'>Add Comment</a>";
}
}
}
$html = '
<table class="comment_list_table"><tr>
<td width="220">'.$thumb_html.'</td>
<td>'.$comment_html.'</td>
</tr></table>
';
$page->add_block(new Block( $image->id.': '.$image->get_tag_list(), $html, "main", $position++, "comment-list-list"));
}
}
public function display_admin_block() {
global $page;
$html = '
Delete comments by IP.
<br><br>'.make_form(make_link("comment/bulk_delete"), 'POST')."
<table class='form'>
<tr><th>IP Address</th> <td><input type='text' name='ip' size='15'></td></tr>
<tr><td colspan='2'><input type='submit' value='Delete'></td></tr>
</table>
</form>
";
$page->add_block(new Block("Mass Comment Delete", $html));
}
/**
* Add some comments to the page, probably in a sidebar.
*
* @param \Comment[] $comments An array of Comment objects to be shown
*/
public function display_recent_comments($comments) {
global $page;
$this->show_anon_id = false;
$html = "";
foreach($comments as $comment) {
$html .= $this->comment_to_html($comment, true);
}
$html .= "<a class='more' href='".make_link("comment/list")."'>Full List</a>";
$page->add_block(new Block("Comments", $html, "left", 50, "comment-list-recent"));
}
/**
* Show comments for an image.
*
* @param Image $image
* @param \Comment[] $comments
* @param bool $postbox
*/
public function display_image_comments(Image $image, $comments, $postbox) {
global $page;
$this->show_anon_id = true;
$html = "";
foreach($comments as $comment) {
$html .= $this->comment_to_html($comment);
}
if($postbox) {
$html .= $this->build_postbox($image->id);
}
$page->add_block(new Block("Comments", $html, "main", 30, "comment-list-image"));
}
/**
* Show comments made by a user.
*
* @param \Comment[] $comments
* @param \User $user
*/
public function display_recent_user_comments($comments, User $user) {
global $page;
$html = "";
foreach($comments as $comment) {
$html .= $this->comment_to_html($comment, true);
}
if(empty($html)) {
$html = '<p>No comments by this user.</p>';
}
else {
$html .= "<p><a href='".make_link("comment/beta-search/{$user->name}/1")."'>More</a></p>";
}
$page->add_block(new Block("Comments", $html, "left", 70, "comment-list-user"));
}
/**
* @param \Comment[] $comments
* @param int $page_number
* @param int $total_pages
* @param \User $user
*/
public function display_all_user_comments($comments, $page_number, $total_pages, User $user) {
global $page;
assert(is_numeric($page_number));
assert(is_numeric($total_pages));
$html = "";
foreach($comments as $comment) {
$html .= $this->comment_to_html($comment, true);
}
if(empty($html)) {
$html = '<p>No comments by this user.</p>';
}
$page->add_block(new Block("Comments", $html, "main", 70, "comment-list-user"));
$prev = $page_number - 1;
$next = $page_number + 1;
//$search_terms = array('I','have','no','idea','what','this','does!');
//$u_tags = url_escape(implode(" ", $search_terms));
//$query = empty($u_tags) ? "" : '/'.$u_tags;
$h_prev = ($page_number <= 1) ? "Prev" : "<a href='$prev'>Prev</a>";
$h_index = "<a href='".make_link("post/list")."'>Index</a>";
$h_next = ($page_number >= $total_pages) ? "Next" : "<a href='$next'>Next</a>";
$page->set_title(html_escape($user->name)."'s comments");
$page->add_block(new Block("Navigation", $h_prev.' | '.$h_index.' | '.$h_next, "left", 0));
$this->display_paginator($page, "comment/beta-search/{$user->name}", null, $page_number, $total_pages);
}
/**
* @param \Comment $comment
* @param bool $trim
* @return string
*/
protected function comment_to_html(Comment $comment, $trim=false) {
global $config, $user;
$tfe = new TextFormattingEvent($comment->comment);
send_event($tfe);
$i_uid = int_escape($comment->owner_id);
$h_name = html_escape($comment->owner_name);
$h_timestamp = autodate($comment->posted);
$h_comment = ($trim ? truncate($tfe->stripped, 50) : $tfe->formatted);
$i_comment_id = int_escape($comment->comment_id);
$i_image_id = int_escape($comment->image_id);
if($i_uid == $config->get_int("anon_id")) {
$anoncode = "";
$anoncode2 = "";
if($this->show_anon_id) {
$anoncode = '<sup>'.$this->anon_id.'</sup>';
if(!array_key_exists($comment->poster_ip, $this->anon_map)) {
$this->anon_map[$comment->poster_ip] = $this->anon_id;
}
#if($user->can("view_ip")) {
#$style = " style='color: ".$this->get_anon_colour($comment->poster_ip).";'";
if($user->can("view_ip") || $config->get_bool("comment_samefags_public", false)) {
if($this->anon_map[$comment->poster_ip] != $this->anon_id) {
$anoncode2 = '<sup>('.$this->anon_map[$comment->poster_ip].')</sup>';
}
}
}
$h_userlink = "<span class='username'>" . $h_name . $anoncode . $anoncode2 . "</span>";
$this->anon_id++;
}
else {
$h_userlink = '<a class="username" href="'.make_link('user/'.$h_name).'">'.$h_name.'</a>';
}
$hb = ($comment->owner_class == "hellbanned" ? "hb" : "");
if($trim) {
$html = "
<div class=\"comment $hb\">
$h_userlink: $h_comment
<a href=\"".make_link("post/view/$i_image_id#c$i_comment_id")."\">>>></a>
</div>
";
}
else {
$h_avatar = "";
if(!empty($comment->owner_email)) {
$hash = md5(strtolower($comment->owner_email));
$cb = date("Y-m-d");
$h_avatar = "<img src=\"//www.gravatar.com/avatar/$hash.jpg?cacheBreak=$cb\"><br>";
}
$h_reply = " - <a href='javascript: replyTo($i_image_id, $i_comment_id, \"$h_name\")'>Reply</a>";
$h_ip = $user->can("view_ip") ? "<br>".show_ip($comment->poster_ip, "Comment posted {$comment->posted}") : "";
$h_del = "";
if ($user->can("delete_comment")) {
$comment_preview = substr(html_unescape($tfe->stripped), 0, 50);
$j_delete_confirm_message = json_encode("Delete comment by {$comment->owner_name}:\n$comment_preview");
$h_delete_script = html_escape("return confirm($j_delete_confirm_message);");
$h_delete_link = make_link("comment/delete/$i_comment_id/$i_image_id");
$h_del = " - <a onclick='$h_delete_script' href='$h_delete_link'>Del</a>";
}
$html = "
<div class=\"comment $hb\" id=\"c$i_comment_id\">
<div class=\"info\">
$h_avatar
$h_timestamp$h_reply$h_ip$h_del
</div>
$h_userlink: $h_comment
</div>
";
}
return $html;
}
/**
* @param int $image_id
* @return string
*/
protected function build_postbox(int $image_id) {
global $config;
$i_image_id = int_escape($image_id);
$hash = CommentList::get_hash();
$h_captcha = $config->get_bool("comment_captcha") ? captcha_get_html() : "";
return '
<div class="comment comment_add">
'.make_form(make_link("comment/add")).'
<input type="hidden" name="image_id" value="'.$i_image_id.'" />
<input type="hidden" name="hash" value="'.$hash.'" />
<textarea id="comment_on_'.$i_image_id.'" name="comment" rows="5" cols="50"></textarea>
'.$h_captcha.'
<br><input type="submit" value="Post Comment" />
</form>
</div>
';
}
}