+/**
+ * left_main.php
+ *
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This is the code for the left bar. The left bar shows the folders
+ * available, and has cookie information.
+ *
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+/**
+ * Path for SquirrelMail required files.
+ * @ignore
+ */
+define('SM_PATH','../');
+
+/* SquirrelMail required files. */
+require_once(SM_PATH . 'include/validate.php');
+require_once(SM_PATH . 'functions/imap.php');
+require_once(SM_PATH . 'functions/plugin.php');
+require_once(SM_PATH . 'functions/page_header.php');
+require_once(SM_PATH . 'functions/html.php');
+require_once(SM_PATH . 'functions/date.php');
+
+/* These constants are used for folder stuff. */
+define('SM_BOX_UNCOLLAPSED', 0);
+define('SM_BOX_COLLAPSED', 1);
+
+/* --------------------- FUNCTIONS ------------------------- */
+
+
+/**
+ * Recursive function to output a tree of folders.
+ * It is called on a list of boxes and iterates over that tree.
+ *
+ * @since 1.3.0
+ */
+function ListBoxes ($boxes, $j=0 ) {
+ global $data_dir, $username, $color, $unseen_notify, $unseen_type,
+ $move_to_trash, $trash_folder, $collapse_folders, $imapConnection,
+ $use_icons, $icon_theme, $use_special_folder_color;
+
+ // stop condition
+ if (empty($boxes)) {
+ return;
+ }
+
+ $pre = '<span style="white-space: nowrap;">';
+ $end = '';
+ $collapse = false;
+ $unseen_found = false;
+ $unseen = 0;
+
+ $mailbox = $boxes->mailboxname_full;
+ $leader = str_repeat(' ',$j);
+ $mailboxURL = urlencode($mailbox);
+
+ /* get unseen/total messages information */
+ /* Only need to display info when option is set */
+ if (isset($unseen_notify) && ($unseen_notify > 1) &&
+ (($boxes->unseen !== false) || ($boxes->total !== false))) {
+
+ if ($boxes->unseen !== false)
+ $unseen = $boxes->unseen;
+
+ /*
+ Should only display unseen info if the folder is inbox
+ or you set the option for all folders
+ */
+
+ if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
+ $unseen_string = $unseen;
+
+ /* If users requests, display message count too */
+ if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false)) {
+ $unseen_string .= '/' . $boxes->total;
+ }
+
+ $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
+
+ /*
+ Finally allow the script to display the values by setting a boolean.
+ This can only occur if the unseen count is great than 0 (if you have
+ unseen count only), or you have the message count too.
+ */
+ if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
+ $unseen_found = true;
+ }
+ }
+ }
+
+ if (isset($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) {
+ if ($use_icons && $icon_theme != 'none') {
+ $link .= "unfold=$mailboxURL\">$leader<img src=\"" . SM_PATH . 'images/plus.png" border="0" height="7" width="7" /> ';
+ } else {
+ $link .= "unfold=$mailboxURL\">$leader+ ";
+ }
+ } else {
+ if ($use_icons && $icon_theme != 'none') {
+ $link .= "fold=$mailboxURL\">$leader<img src=\"" . SM_PATH . 'images/minus.png" border="0" height="7" width="7" /> ';
+ } else {
+ $link .= "fold=$mailboxURL\">$leader- ";
+ }
+ }
+ $link .= '</a>';
+ $pre .= $link;
+ } else {
+ $pre.= $leader . ' ';
+ }
+
+ /* If there are unseen message, bold the line. */
+ if (($move_to_trash) && ($mailbox == $trash_folder)) {
+ if (! isset($boxes->total)) {
+ $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
+ }
+ $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&startMessage=1&mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
+ if ($unseen > 0) {
+ $pre .= '<b>';
+ $end .= '</b>';
+ }
+ $end .= '</a>';
+ if ($boxes->total > 0) {
+ /* Print unseen information. */
+ if ($unseen_found) {
+ $end .= " <small>$unseen_string</small>";
+ }
+ $end .= "\n\t<small>" .
+ ' [<a href="empty_trash.php">'._("Purge").'</a>]'.
+ '</small>';
+ }
+ } else {
+ if (!$boxes->is_noselect) {
+ $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&startMessage=1&mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
+ if ($unseen > 0) {
+ $pre .= '<b>';
+ $end .= '</b>';
+ }
+ $end .= '</a>';
+ }
+ /* Print unseen information. */
+ if ($unseen_found) {
+ $end .= " <small>$unseen_string</small>";
+ }
+
+ }
+
+ $font = '';
+ $fontend = '';
+ if ($use_special_folder_color && $boxes->is_special) {
+ $font = "<font color=\"$color[11]\">";
+ $fontend = "</font>";
+ } elseif ( $boxes->is_noselect ) {
+ $font = "<font color=\"$color[15]\">";
+ $fontend = '</font>';
+ }
+
+ // let plugins fiddle with end of line
+ $end .= concat_hook_function('left_main_after_each_folder',
+ array(isset($numMessages) ? $numMessages : '',
+ $boxes->mailboxname_full, $imapConnection));
+
+ $end .= '</span>';
+
+ if (!$boxes->is_root) {
+ echo "" . $pre .$font.
+ str_replace(
+ array(' ','<','>'),
+ array(' ','<','>'),
+ $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, $color, $unseen_notify, $unseen_type,
+ $move_to_trash, $trash_folder, $collapse_folders, $use_special_folder_color;
+
+ if (empty($boxes)) {
+ return;
+ }
+
+ /* use_folder_images only works if the images exist in ../images */
+ $use_folder_images = true;
+
+ $pre = '';
+ $end = '';
+ $collapse = false;
+ $unseen_found = false;
+ $unseen = 0;
+
+ $mailbox = $boxes->mailboxname_full;
+ $mailboxURL = urlencode($mailbox);
+
+ /* get unseen/total messages information */
+ /* Only need to display info when option is set */
+ if (isset($unseen_notify) && ($unseen_notify > 1) &&
+ (($boxes->unseen !== false) || ($boxes->total !== false))) {
+
+ if ($boxes->unseen !== false)
+ $unseen = $boxes->unseen;
+
+ /*
+ Should only display unseen info if the folder is inbox
+ or you set the option for all folders
+ */
+
+ if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
+ $unseen_string = $unseen;
+
+ /* If users requests, display message count too */
+ if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false)) {
+ $unseen_string .= '/' . $boxes->total;
+ }
+
+ $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
+
+ /*
+ Finally allow the script to display the values by setting a boolean.
+ This can only occur if the unseen count is great than 0 (if you have
+ unseen count only), or you have the message count too.
+ */
+ if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
+ $unseen_found = true;
+ }
+ }
+ }
+
+ /* If there are unseen message, bold the line. */
+ if ($unseen > 0) { $pre .= '<b>'; }
+
+ /* color special boxes */
+ if ($use_special_folder_color && $boxes->is_special) {
+ $pre .= "<font color=\"$color[11]\">";
+ $end .= '</font>';
+ }
+
+ /* If there are unseen message, close bolding. */
+ if ($unseen > 0) { $end .= '</b>'; }
+
+ /* Print unseen information. */
+ if ($unseen_found) {
+ $end .= " $unseen_string";
+ }
+
+ if (($move_to_trash) && ($mailbox == $trash_folder)) {
+ $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&startMessage=1&mailbox=$mailboxURL\" target=\"right\">" . $pre;
+ $end .= '</a>';
+ $end .= "\n<small>\n" .
+ ' [<a class="mbx_link" href="empty_trash.php">'._("Purge").'</a>]'.
+ '</small>';
+ } else {
+ if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
+ $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&startMessage=1&mailbox=$mailboxURL\" target=\"right\">" . $pre;
+ $end .= '</a>';
+ }
+ }
+
+ // let plugins fiddle with end of line
+ global $imapConnection;
+ $end .= concat_hook_function('left_main_after_each_folder',
+ array(isset($numMessages) ? $numMessages : '',
+ $boxes->mailboxname_full, $imapConnection));
+
+ if (!$boxes->is_root) {
+ if ($use_folder_images) {
+ if ($boxes->is_inbox) {
+ $folder_img = '../images/inbox.png';
+ } else if ($boxes->is_sent) {
+ $folder_img = '../images/senti.png';
+ } else if ($boxes->is_trash) {
+ $folder_img = '../images/delitem.png';
+ } else if ($boxes->is_draft) {
+ $folder_img = '../images/draft.png';
+ } else if ($boxes->is_noinferiors) {
+ $folder_img = '../images/folder_noinf.png';
+ } else {
+ $folder_img = '../images/folder.png';
+ }
+ $folder_img = ' <img src="'.$folder_img.'" height="15" /> ';
+ } else {
+ $folder_img = '';
+ }
+ if (!isset($boxes->mbxs[0])) {
+ echo ' ' . html_tag( 'div',
+ $pre . $folder_img .
+ str_replace( array(' ','<','>'),
+ array(' ','<','>'),
+ $boxes->mailboxname_sub) .
+ $end,
+ 'left', '', 'class="mbx_sub" id="' .$j. '"' ) . "\n";
+ } else {
+ /* get collapse information */
+ if ($collapse_folders) {
+ $form_entry = $j.'F';
+ if (isset($mbx) && isset($mbx[$form_entry])) {
+ $collapse = $mbx[$form_entry];
+ setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full ,
+ $collapse ? SM_BOX_COLLAPSED : SM_BOX_UNCOLLAPSED);
+ } else {
+ $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
+ $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
+ }
+ $img_src = ($collapse ? '../images/plus.png' : '../images/minus.png');
+ $collapse_link = '<a href="javascript:void(0)">' .
+ " <img src=\"$img_src\" border=\"1\" id=$j onclick=\"hidechilds(this)\" style=\"cursor:hand\" /></a>";
+ } else {
+ $collapse_link='';
+ }
+ echo ' ' . html_tag( 'div',
+ $collapse_link . $pre . $folder_img . ' '. $boxes->mailboxname_sub . $end ,
+ 'left', '', 'class="mbx_par" id="' .$j. 'P"' ) . "\n";
+ echo ' <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
+ }
+ }
+
+ $visible = ($collapse ? ' style="display:none"' : ' style="display:block"');
+ if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
+ echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
+
+ if ($j !='ID.0000') {
+ $j = $j .'.0000';
+ }
+ for ($i = 0; $i <count($boxes->mbxs); $i++) {
+ $j++;
+ ListAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
+ }
+ if (isset($boxes->mbxs[0]) && !$boxes->is_root) {
+ echo '</div>'."\n\n";
+ }
+}
+
+
+
+
+/* -------------------- MAIN ------------------------ */
+
+/* get globals */
+sqgetGlobalVar('username', $username, SQ_SESSION);
+sqgetGlobalVar('key', $key, SQ_COOKIE);
+sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
+sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
+
+sqgetGlobalVar('fold', $fold, SQ_GET);
+sqgetGlobalVar('unfold', $unfold, SQ_GET);
+
+/* end globals */
+
+// open a connection on the imap port (143)
+// why hide the output?
+$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, true);
+
+/**
+ * Using stristr since very old preferences may contain "None" and "none".
+ */
+if (!empty($left_refresh) &&
+ !stristr($left_refresh, 'none')){
+ $xtra = "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
+ "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
+ "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
+} else {
+ $xtra = '';
+}
+
+/**
+ * $advanced_tree and is a boolean var which is default set to default
+ * SM behaviour.
+ * Setting $advanced tree to true causes SM to display a experimental
+ * mailbox-tree with dhtml behaviour.
+ * It only works on browsers which supports css and javascript. The used
+ * javascript is experimental and doesn't support all browsers.
+ * It has been tested on IE6 an Konquerer 3.0.0-2.
+ * It is now tested and working on: (please test and update this list)
+ * Windows: IE 5.5 SP2, IE 6 SP1, Gecko based (Mozilla, Firebird) and Opera7
+ * XWindow: ?
+ * Mac: ?
+ * In the function ListAdvancedBoxes there is another var $use_folder_images.
+ * setting this to true is only usefull if the images exists in ../images.
+ *
+ * Feel free to experiment with the code and report bugs and enhancements
+ **/
+
+/* set this to true if you want to see a nicer mailboxtree */
+if (empty($advanced_tree)) {
+ $advanced_tree=false;
+}
+
+if ($advanced_tree) {
+$xtra .= <<<HEREDOC
+<script language="Javascript" type="text/javascript">
+<!--
+ function preload() {
+ if (document.images) {
+ var treeImages = new Array;
+ var arguments = preload.arguments;
+ for (var i = 0; i<arguments.length; i++) {
+ treeImages[i] = new Image();
+ treeImages[i].src = arguments[i];
+ }