<?php

// Handles threading of the comments.

// Assign comments their depth for nesting.

$threaddepth = 0;

for ($i=0; $i < $commentsretrieved; $i++) {

$cb_commentDepth[$i] = 0;

if ($cb_inReplyTo[$i] > 0) {

$parentIndex = array_search($cb_inReplyTo[$i], $cb_id);

if ($parentIndex === FALSE) {

//should only happen when parent was deleted but not children

//TODO delete child comments when delete parent

if (DEBUG) error_log("Comment #$cb_id[$i] had depth $cb_commentDepth[$i] but it still found no parent (because that was deleted). It had irt $cb_inReplyTo[$i] and text " . substr($cb_commentHTML[$i], strpos($cb_commentHTML[$i], "commentContents") + 17, 20) . "<br>Somehow cbid didn't have it: " . implode(", ", $cb_id));

}

$cb_commentDepth[$i] = $cb_commentDepth[$parentIndex] + 1;

$threaddepth = max($threaddepth, $cb_commentDepth[$i]);

}

}

// sort

$topLevel = 0;

$orderedCommentIds = array();

for ($i=0; $i < $commentsretrieved; $i++) { //find top level keys

if ($cb_commentDepth[$i] == 0) {

$orderedCommentIds[] = $cb_id[$i];

$topLevel++;

}

}

for ($level=1; $level<=$threaddepth; $level++) { //for each level of comments...

$newTopLevel = 0;

$p = "";

for ($t=0; $t<$topLevel; $t++) { //we iterate over the toplevel posts

$parentCandidate = $orderedCommentIds[$t];

$p .= "$parentCandidate:";

$newTopLevel++;

for ($i=0; $i < $commentsretrieved; $i++) {

if ( $parentCandidate == $cb_inReplyTo[$i] && $cb_commentDepth[$i] >= $level) {

//without the comment depth check some comments would repost once per iteration

$p .= "$cb_id[$i]:";

$newTopLevel++;

}

}

}

$topLevel = $newTopLevel; //now the next level down is the new top level

$orderedCommentIds = explode(":",rtrim($p,":"));

}

//display

if (implode("",$cb_id) == "") {

echo "<p>This conversation is empty.<br>&nbsp;</p>";

} else {

foreach ($orderedCommentIds as $ocIds) {

$ocIds = explode(":", trim(str_replace("::",":",$ocIds),":")); // clean up and explode threading results

foreach ($ocIds as $ocId) {

$selfkey = array_search($ocId, $cb_id); //find array key

$irt = $cb_inReplyTo[$selfkey]; //find parent comment id

if ( empty($topnewid) && strlen($cb_isnew[$selfkey]) ) {

$topnewid = $cb_id[$selfkey];

$topnewparentCandidate = $irt;

}

$indent = $cb_commentDepth[$selfkey] * 26;

if ($indent == 0 || $hideallexcept > 0) {

$indent = "";

} else { $indent = "padding-left: ".$indent."px;"; }

$commhtml = $cb_commentHTML[$selfkey];

if ($cb_commentDepth[$selfkey] > 0) $commhtml = str_replace(

"<XXXYYYZZZYYYXXX>",

"<a href=\"javascript://\" onclick=\"jumpToAnchor('"

. getCommentAnchor($irt)

. "');\" title=\"Jump to parent comment\"><img src=\"gfx/up.gif\" border=1 width=6 height=6 hspace=7 vspace=1></a>", $commhtml);

echo "<div class=\"commentContainer\" style=\"$indent\" >";

echo "<table border=0 cellpadding=3 cellspacing=0 style=\"table-layout:fixed; max-width: 850px;\">$commhtml</table>";

echo "</div>";

}

}

}

?>