+ /* Compute any children boxes for this box. */
+ while (($nextbox < $boxcount) &&
+ (is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
+
+ /* Note that this 'parent' box has at least one child. */
+ $boxes[$parbox]['parent'] = TRUE;
+
+ /* Compute the visiblity of this box. */
+ $boxes[$nextbox]['visible'] = ($boxes[$parbox]['visible'] &&
+ ($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED));
+
+ /* Compute the visibility of any child boxes. */
+ compute_folder_children($nextbox, $boxcount);
+ }
+
+ /* Set the parent box to the current next box. */
+ $parbox = $nextbox;
+}
+
+/**
+ * Create the link for a parent folder that will allow that
+ * parent folder to either be collapsed or expaned, as is
+ * currently appropriate.
+ */
+function create_collapse_link($boxnum) {
+ global $boxes, $imapConnection, $unseen_notify, $color;
+ $mailbox = urlencode($boxes[$boxnum]['unformatted']);
+
+ /* Create the link for this collapse link. */
+ $link = '<a target="left" style="text-decoration:none" ' .
+ 'href="left_main.php?';
+ if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
+ $link .= "unfold=$mailbox\">+";
+ } else {
+ $link .= "fold=$mailbox\">-";
+ }
+ $link .= '</a>';
+
+ /* Return the finished product. */
+ return ($link);
+}
+
+/**
+ * create_unseen_string:
+ *
+ * Create unseen and total message count for both this folder and
+ * it's subfolders.
+ *
+ * @param string $boxName name of the current mailbox
+ * @param array $boxArray array for the current mailbox
+ * @param $imapConnection current imap connection in use
+ * @return array[0] unseen message string (for display)
+ * @return array[1] unseen message count
+ */
+function create_unseen_string($boxName, $boxArray, $imapConnection) {
+ global $boxes, $unseen_type, $color;
+
+ /* Initialize the return value. */
+ $result = array(0,0);
+
+ /* Initialize the counts for this folder. */
+ $boxUnseenCount = 0;
+ $boxMessageCount = 0;
+ $totalUnseenCount = 0;
+ $totalMessageCount = 0;
+
+ /* Collect the counts for this box alone. */
+ $boxUnseenCount = sqimap_unseen_messages($imapConnection, $boxName);
+ if ($unseen_type == 2) {
+ $boxMessageCount = sqimap_get_num_messages($imapConnection, $boxName);
+ }
+
+ /* Initialize the total counts. */
+
+ if ($boxArray['collapse'] == SM_BOX_COLLAPSED) {
+ /* Collect the counts for this boxes subfolders. */
+ $curBoxLength = strlen($boxName);
+ $boxCount = count($boxes);
+
+ for ($i = 0; $i < $boxCount; ++$i) {
+ /* Initialize the counts for this subfolder. */
+ $subUnseenCount = 0;
+ $subMessageCount = 0;
+
+ /* Collect the counts for this subfolder. */
+ if (($boxName != $boxes[$i]['unformatted'])
+ && (substr($boxes[$i]['unformatted'], 0, $curBoxLength) == $boxName)
+ && !in_array('noselect', $boxes[$i]['flags'])) {
+ $subUnseenCount = sqimap_unseen_messages($imapConnection, $boxes[$i]['unformatted']);
+ if ($unseen_type == 2) {
+ $subMessageCount = sqimap_get_num_messages($imapConnection, $boxes[$i]['unformatted']);
+ }
+
+ /* Add the counts for this subfolder to the total. */
+ $totalUnseenCount += $subUnseenCount;
+ $totalMessageCount += $subMessageCount;