+ }
+
+ if (($numMessages > 0) or ($box_array['parent'] == 1)) {
+ $urlMailbox = urlencode($real_box);
+ $line .= "\n<small>\n" .
+ " (<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
+ "</small>";
+ } else {
+ $line .= concat_hook_function('left_main_after_each_folder',
+ array(isset($numMessages) ? $numMessages : '',$real_box,$imapConnection));
+ }
+ }
+
+ /* Return the final product. */
+ return ($line);
+}
+
+/**
+ * Recursive function that computes the collapsed status and parent
+ * (or not parent) status of this box, and the visiblity and collapsed
+ * status and parent (or not parent) status for all children boxes.
+ */
+function compute_folder_children(&$parbox, $boxcount) {
+ global $boxes, $data_dir, $username, $collapse_folders;
+ $nextbox = $parbox + 1;
+
+ /* Retreive the name for the parent box. */
+ $parbox_name = $boxes[$parbox]['unformatted'];
+
+ /* 'Initialize' this parent box to childless. */
+ $boxes[$parbox]['parent'] = FALSE;
+
+ /* Compute the collapse status for this box. */
+ if( isset($collapse_folders) && $collapse_folders ) {
+ $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
+ $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
+ } else {
+ $collapse = SM_BOX_UNCOLLAPSED;
+ }
+ $boxes[$parbox]['collapse'] = $collapse;
+
+ /* Otherwise, get the name of the next box. */
+ if (isset($boxes[$nextbox]['unformatted'])) {
+ $nextbox_name = $boxes[$nextbox]['unformatted'];
+ } else {
+ $nextbox_name = '';
+ }
+
+ /* Compute any children boxes for this box. */
+ while (($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, $unseen_type) {
+ global $boxes, $unseen_type, $color, $unseen_cum;
+
+ /* 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. */
+ $status = sqimap_status_messages($imapConnection, $boxName);
+ $boxUnseenCount = $status['UNSEEN'];
+ if ($boxUnseenCount === false) {
+ return false;
+ }
+ if ($unseen_type == 2) {
+ $boxMessageCount = $status['MESSAGES'];
+ }
+
+ /* Initialize the total counts. */
+
+ if ($boxArray['collapse'] == SM_BOX_COLLAPSED && $unseen_cum) {
+ /* 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'])) {
+ $status = sqimap_status_messages($imapConnection, $boxes[$i]['unformatted']);
+ $subUnseenCount = $status['UNSEEN'];
+ if ($unseen_type == 2) {
+ $subMessageCount = $status['MESSAGES'];;
+ }
+ /* Add the counts for this subfolder to the total. */
+ $totalUnseenCount += $subUnseenCount;
+ $totalMessageCount += $subMessageCount;
+ }
+ }
+
+ /* Add the counts for all subfolders to that of the box. */
+ $boxUnseenCount += $totalUnseenCount;
+ $boxMessageCount += $totalMessageCount;
+ }
+
+ /* And create the magic unseen count string. */
+ /* Really a lot more then just the unseen count. */
+ if (($unseen_type == 1) && ($boxUnseenCount > 0)) {
+ $result[0] = "($boxUnseenCount)";
+ } else if ($unseen_type == 2) {
+ $result[0] = "($boxUnseenCount/$boxMessageCount)";
+ $result[0] = "<font color=\"$color[11]\">$result[0]</font>";
+ }
+
+ /* Set the unseen count to return to the outside world. */
+ $result[1] = $boxUnseenCount;
+
+ /* Return our happy result. */
+ return ($result);
+}
+
+/**
+ * This simple function checks if a box is another box's parent.
+ */
+function is_parent_box($curbox_name, $parbox_name) {
+ global $delimiter;
+
+ /* Extract the name of the parent of the current box. */
+ $curparts = explode($delimiter, $curbox_name);
+ $curname = array_pop($curparts);
+ $actual_parname = implode($delimiter, $curparts);
+ $actual_parname = substr($actual_parname,0,strlen($parbox_name));
+
+ /* Compare the actual with the given parent name. */
+ return ($parbox_name == $actual_parname);
+}
+
+function listBoxes ($boxes, $j=0 ) {
+ global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
+ $move_to_trash, $trash_folder, $collapse_folders, $imapConnection;
+ $pre = '<nobr>';
+ $end = '';
+ $collapse = false;
+ $unseen_type = 1;
+ $unseen_notify = 0;
+
+ /* Get unseen/total display prefs */
+ $unseen_type = getPref( $data_dir , $username , 'unseen_type' );
+ $unseen_notify = getPref( $data_dir , $username , 'unseen_notify' );
+
+ if (isset($boxes) && !empty($boxes)) {
+ $mailbox = $boxes->mailboxname_full;
+ $leader = '<tt>';
+ $leader .= str_repeat(' ',$j);
+ $mailboxURL = urlencode($mailbox);
+ /* get unseen/total messages information */
+ if ($boxes->unseen !== false || $boxes->total !== false) {
+ $unseen = $boxes->unseen;
+ $unseen_string = "($unseen)";
+ if ($unseen>0||$boxes->total>0) {
+ $unseen_found = TRUE;
+ }
+ $unseen_before = '<font color="' . $color[11] . '">';
+ $unseen_after = '</font>';
+ if ((($unseen_notify == 2) && (strtolower($mailbox) == 'inbox')) || ($unseen_notify == 3)) {
+ $unseen_string = '(' . $unseen;
+
+ if ($unseen_type > 1) {
+ $unseen_string .= '/' . $boxes->total;
+ }
+ $unseen_string .= ')';
+ $unseen_string = $unseen_before . $unseen_string . $unseen_after;
+ }
+ } else {
+ $unseen = 0;
+ }
+
+ if (isset($boxes->mbxs[0]) && $collapse_folders) {
+ $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
+ $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
+
+ $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
+ if ($collapse) {
+ $link .= "unfold=$mailboxURL\">$leader+ </tt>";
+ } else {
+ $link .= "fold=$mailboxURL\">$leader- </tt>";
+ }
+ $link .= '</a>';
+ $pre .= $link;
+ } else {
+ $pre.= $leader . ' </tt>';
+ }
+
+ /* If there are unseen message, bold the line. */
+ if (($move_to_trash) && ($mailbox == $trash_folder)) {
+ if (! isset($boxes->total)) {
+ $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
+ }
+ if ($unseen > 0) {
+ $pre .= '<b>';
+ }
+ $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&sort=0;startMessage=1&mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
+ if ($unseen > 0) {
+ $end .= '</b>';
+ }
+ $end .= '</a>';
+ if ($boxes->total > 0) {
+ if ($unseen > 0) {
+ $pre .= '<b>';
+ }
+ $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&sort=0;startMessage=1&mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
+ if ($unseen > 0) {
+ $end .= '</b>';
+ }
+ $end .= "\n<small>\n" .
+ " (<a href=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</a>)" .
+ "</small>";
+ }
+ } else {
+ if (!$boxes->is_noselect) {
+ if ($unseen > 0) {
+ $pre .= '<b>';
+ }
+ $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&sort=0&startMessage=1&mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
+ if ($unseen > 0) {
+ $end .= '</b>';
+ }
+ $end .= '</a>';
+ }
+ }
+
+ /* Print unseen information. */
+ if (isset($unseen_found) && $unseen_found) {
+ $end .= " <small>$unseen_string</small>";
+ }
+
+ $font = '';
+ $fontend = '';
+ if ($boxes->is_special) {
+ $font = "<font color=\"$color[11]\">";
+ $fontend = "</font>";
+ }
+ $end .= '</nobr>';
+
+ if (!$boxes->is_root) {
+ echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br />' . "\n";
+ $j++;
+ }
+
+ if (!$collapse || $boxes->is_root) {
+ for ($i = 0; $i <count($boxes->mbxs); $i++) {
+ listBoxes($boxes->mbxs[$i],$j);
+ }
+ }
+ }
+}
+
+function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
+ global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
+ $move_to_trash, $trash_folder, $collapse_folders;
+
+ /* use_folder_images only works if the images exist in ../images */
+ $use_folder_images = true;
+
+ $pre = '';
+ $end = '';
+ $collapse = false;
+
+ if ($boxes) {
+ $mailbox = $boxes->mailboxname_full;
+ $mailboxURL = urlencode($mailbox);
+
+ /* get unseen/total messages information */
+ if ($boxes->unseen !== false) {
+ $unseen = $boxes->unseen;
+ $unseen_string = "($unseen)";
+ if ($unseen>0) $unseen_found = TRUE;
+ if ($boxes->total) {
+ $numMessages = $boxes->total;