manage_folders.inc
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manage_folders.inc
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	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/settings/manage_folders.inc \|
	\| \|
	\| This file is part of the RoundCube Webmail client \|
	\| Copyright (C) 2005-2009, RoundCube Dev. - Switzerland \|
	\| Licensed under the GNU GPL \|
	\| \|
	\| PURPOSE: \|
	\| Provide functionality to create/delete/rename folders \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+

	$Id$

	*/

	// WARNING: folder names in UI are encoded with RCMAIL_CHARSET

	// init IMAP connection
	$RCMAIL->imap_init(true);

	// subscribe to one or more mailboxes
	if ($RCMAIL->action=='subscribe')
	{
	if ($mbox = get_input_value('_mbox', RCUBE_INPUT_POST, false, 'UTF7-IMAP'))
	$IMAP->subscribe(array($mbox));
	}

	// unsubscribe one or more mailboxes
	else if ($RCMAIL->action=='unsubscribe')
	{
	if ($mbox = get_input_value('_mbox', RCUBE_INPUT_POST, false, 'UTF7-IMAP'))
	$IMAP->unsubscribe(array($mbox));
	}

	// create a new mailbox
	else if ($RCMAIL->action=='create-folder')
	{
	if (!empty($_POST['_name']))
	{
	$name = trim(get_input_value('_name', RCUBE_INPUT_POST, FALSE, 'UTF7-IMAP'));
	$create = $IMAP->create_mailbox($name, TRUE);
	}

	if ($create && $OUTPUT->ajax_call)
	{
	$delimiter = $IMAP->get_hierarchy_delimiter();
	$folderlist = $IMAP->list_unsubscribed();
	$index = array_search($create, $folderlist);
	$before = $index !== false && isset($folderlist[$index+1]) ? rcube_charset_convert($folderlist[$index+1], 'UTF7-IMAP') : false;

	$create = rcube_charset_convert($create, 'UTF7-IMAP');
	$foldersplit = explode($delimiter, $create);
	$display_create = str_repeat('    ', substr_count($create, $delimiter)) . $foldersplit[count($foldersplit)-1];

	$OUTPUT->command('add_folder_row', $create, $display_create, false, $before);
	}
	else if (!$create)
	{
	$OUTPUT->show_message('errorsaving', 'error');
	}
	}

	// rename a mailbox
	else if ($RCMAIL->action=='rename-folder')
	{
	if (!empty($_POST['_folder_oldname']) && !empty($_POST['_folder_newname']))
	{
	$name_utf8 = trim(get_input_value('_folder_newname', RCUBE_INPUT_POST));
	$oldname_utf8 = get_input_value('_folder_oldname', RCUBE_INPUT_POST);
	$name = rcube_charset_convert($name_utf8, RCMAIL_CHARSET, 'UTF7-IMAP');
	$oldname = rcube_charset_convert($oldname_utf8, RCMAIL_CHARSET, 'UTF7-IMAP');

	$rename = $IMAP->rename_mailbox($oldname, $name);
	}

	if ($rename && $OUTPUT->ajax_call)
	{
	$folderlist = $IMAP->list_unsubscribed();
	$delimiter = $IMAP->get_hierarchy_delimiter();

	$regexp = '/^' . preg_quote($rename . $delimiter, '/') . '/';

	// subfolders
	for ($x=sizeof($folderlist)-1; $x>=0; $x--)
	{
	if (preg_match($regexp, $folderlist[$x]))
	{
	$oldfolder = $oldname . $delimiter . preg_replace($regexp, '', $folderlist[$x]);
	$foldersplit = explode($delimiter, $folderlist[$x]);
	$level = count($foldersplit) - 1;
	$display_rename = str_repeat('    ', $level)
	. rcube_charset_convert($foldersplit[$level], 'UTF7-IMAP');

	$before = isset($folderlist[$x+1]) ? rcube_charset_convert($folderlist[$x+1], 'UTF7-IMAP') : false;

	$OUTPUT->command('replace_folder_row', rcube_charset_convert($oldfolder, 'UTF7-IMAP'),
	rcube_charset_convert($folderlist[$x], 'UTF7-IMAP'), $display_rename, $before);
	}
	}

	$foldersplit = explode($delimiter, $rename);
	$level = count($foldersplit) - 1;
	$display_rename = str_repeat('    ', $level) . rcube_charset_convert($foldersplit[$level], 'UTF7-IMAP');
	$index = array_search($rename, $folderlist);
	$before = $index !== false && isset($folderlist[$index+1]) ? rcube_charset_convert($folderlist[$index+1], 'UTF7-IMAP') : false;

	$OUTPUT->command('replace_folder_row', $oldname_utf8, rcube_charset_convert($rename, 'UTF7-IMAP'), $display_rename, $before);
	$OUTPUT->command('reset_folder_rename');
	}
	else if (!$rename && $OUTPUT->ajax_call)
	{
	$OUTPUT->command('reset_folder_rename');
	$OUTPUT->show_message('errorsaving', 'error');
	}
	else if (!$rename)
	$OUTPUT->show_message('errorsaving', 'error');
	}

	// delete an existing IMAP mailbox
	else if ($RCMAIL->action=='delete-folder')
	{
	$a_mboxes = $IMAP->list_unsubscribed();
	$delimiter = $IMAP->get_hierarchy_delimiter();

	$mboxes_utf8 = get_input_value('_mboxes', RCUBE_INPUT_POST);
	$mboxes = rcube_charset_convert($mboxes_utf8, RCMAIL_CHARSET, 'UTF7-IMAP');

	if ($mboxes)
	$deleted = $IMAP->delete_mailbox(array($mboxes));

	if ($OUTPUT->ajax_call && $deleted)
	{
	$OUTPUT->command('remove_folder_row', $mboxes_utf8);
	foreach ($a_mboxes as $mbox)
	{
	if (preg_match('/^'. preg_quote($mboxes.$delimiter, '/') .'/', $mbox))
	{
	$OUTPUT->command('remove_folder_row', rcube_charset_convert($mbox, 'UTF7-IMAP'));
	}
	}
	$OUTPUT->show_message('folderdeleted', 'confirmation');
	}
	else if (!$deleted)
	{
	$OUTPUT->show_message('errorsaving', 'error');
	}
	}

	if ($OUTPUT->ajax_call)
	$OUTPUT->send();


	// build table with all folders listed by server
	function rcube_subscription_form($attrib)
	{
	global $IMAP, $CONFIG, $OUTPUT;

	list($form_start, $form_end) = get_form_tags($attrib, 'folders');
	unset($attrib['form']);

	if (!$attrib['id'])
	$attrib['id'] = 'rcmSubscriptionlist';

	$table = new html_table();

	// add table header
	$table->add_header('name', rcube_label('foldername'));
	$table->add_header('msgcount', rcube_label('messagecount'));
	$table->add_header('subscribed', rcube_label('subscribed'));
	$table->add_header('rename', ' ');
	$table->add_header('delete', ' ');


	// get folders from server
	$IMAP->clear_cache('mailboxes');

	$a_unsubscribed = $IMAP->list_unsubscribed();
	$a_subscribed = $IMAP->list_mailboxes();
	$delimiter = $IMAP->get_hierarchy_delimiter();
	$a_js_folders = $seen_folders = $list_folders = array();

	// pre-process folders list
	foreach ($a_unsubscribed as $i => $folder) {
	$foldersplit = explode($delimiter, $folder);
	$name = rcube_charset_convert(array_pop($foldersplit), 'UTF7-IMAP');
	$parent_folder = join($delimiter, $foldersplit);
	$level = count($foldersplit);

	// add any necessary "virtual" parent folders
	if ($parent_folder && !$seen[$parent_folder]) {
	for ($i=1; $i<=$level; $i++) {
	$ancestor_folder = join($delimiter, array_slice($foldersplit, 0, $i));
	if ($ancestor_folder && !$seen[$ancestor_folder]++) {
	$ancestor_name = rcube_charset_convert($foldersplit[$i-1], 'UTF7-IMAP');
	$list_folders[] = array('id' => $ancestor_folder, 'name' => $ancestor_name, 'level' => $i-1, 'virtual' => true);
	}
	}
	}

	$list_folders[] = array('id' => $folder, 'name' => $name, 'level' => $level);
	$seen[$folder]++;
	}

	$checkbox_subscribe = new html_checkbox(array(
	'name' => '_subscribed[]',
	'onclick' => JS_OBJECT_NAME.".command(this.checked?'subscribe':'unsubscribe',this.value)",
	));

	if (!empty($attrib['deleteicon']))
	$del_button = html::img(array('src' => $CONFIG['skin_path'] . $attrib['deleteicon'], 'alt' => rcube_label('delete')));
	else
	$del_button = rcube_label('delete');

	if (!empty($attrib['renameicon']))
	$edit_button = html::img(array('src' => $CONFIG['skin_path'] . $attrib['renameicon'], 'alt' => rcube_label('rename')));
	else
	$edit_button = rcube_label('rename');

	// create list of available folders
	foreach ($list_folders as $i => $folder) {
	$idx = $i + 1;
	$subscribed = in_array($folder['id'], $a_subscribed);
	$protected = ($CONFIG['protect_default_folders'] == true && in_array($folder['id'], $CONFIG['default_imap_folders']));
	$classes = array($i%2 ? 'even' : 'odd');
	$folder_js = JQ($folder['id']);
	$display_folder = str_repeat('    ', $folder['level']) . ($protected ? rcmail_localize_foldername($folder['id']) : $folder['name']);
	$folder_utf8 = rcube_charset_convert($folder['id'], 'UTF7-IMAP');

	if ($folder['virtual'])
	$classes[] = 'virtual';

	$table->add_row(array('id' => 'rcmrow'.$idx, 'class' => join(' ', $classes)));

	$table->add('name', Q($display_folder));
	$table->add('msgcount', ($folder['virtual'] ? '' : $IMAP->messagecount($folder['id'])));
	$table->add('subscribed', ($protected \|\| $folder['virtual']) ? ($subscribed ? ' •' : ' ') :
	$checkbox_subscribe->show(($subscribed ? $folder_utf8 : ''), array('value' => $folder_utf8)));

	// add rename and delete buttons
	if (!$protected && !$folder['virtual']) {
	$table->add('rename', html::a(array('href' => "#rename", 'title' => rcube_label('renamefolder')), $edit_button));
	$table->add('delete', html::a(array('href' => "#delete", 'title' => rcube_label('deletefolder')), $del_button));
	}
	else {
	$table->add('rename', ' ');
	$table->add('delete', ' ');
	}

	$a_js_folders['rcmrow'.$idx] = array($folder_utf8, $display_folder, $protected \|\| $folder['virtual']);
	}

	rcmail::get_instance()->plugins->exec_hook('manage_folders', array('table'=>$table));

	$OUTPUT->add_gui_object('subscriptionlist', $attrib['id']);
	$OUTPUT->set_env('subscriptionrows', $a_js_folders);
	$OUTPUT->set_env('defaultfolders', $CONFIG['default_imap_folders']);
	$OUTPUT->set_env('delimiter', $delimiter);

	return $form_start . $table->show($attrib) . $form_end;
	}


	function rcube_create_folder_form($attrib)
	{
	global $OUTPUT;

	list($form_start, $form_end) = get_form_tags($attrib, 'create-folder');
	unset($attrib['form']);

	if ($attrib['hintbox'])
	$OUTPUT->add_gui_object('createfolderhint', $attrib['hintbox']);

	// return the complete edit form as table
	$out = "$form_start\n";

	$input = new html_inputfield(array('name' => '_folder_name'));
	$out .= $input->show();

	if (get_boolean($attrib['button']))
	{
	$button = new html_inputfield(array('type' => 'button',
	'value' => rcube_label('create'),
	'onclick' => JS_OBJECT_NAME.".command('create-folder',this.form)"));
	$out .= $button->show();
	}

	$out .= "\n$form_end";

	return $out;
	}

	function rcube_rename_folder_form($attrib)
	{
	global $CONFIG, $IMAP;

	list($form_start, $form_end) = get_form_tags($attrib, 'rename-folder');
	unset($attrib['form']);

	// return the complete edit form as table
	$out = "$form_start\n";

	$a_unsubscribed = $IMAP->list_unsubscribed();
	$select_folder = new html_select(array('name' => '_folder_oldname', 'id' => 'rcmfd_oldfolder'));

	foreach ($a_unsubscribed as $i => $folder)
	{
	if ($CONFIG['protect_default_folders'] == TRUE && in_array($folder,$CONFIG['default_imap_folders']))
	continue;

	$select_folder->add($folder);
	}

	$out .= $select_folder->show();

	$out .= " to ";
	$inputtwo = new html_inputfield(array('name' => '_folder_newname'));
	$out .= $inputtwo->show();

	if (get_boolean($attrib['button']))
	{
	$button = new html_inputfield(array('type' => 'button',
	'value' => rcube_label('rename'),
	'onclick' => JS_OBJECT_NAME.".command('rename-folder',this.form)"));
	$out .= $button->show();
	}

	$out .= "\n$form_end";

	return $out;
	}

	$OUTPUT->set_pagetitle(rcube_label('folders'));
	$OUTPUT->include_script('list.js');

	// register UI objects
	$OUTPUT->add_handlers(array(
	'foldersubscription' => 'rcube_subscription_form',
	'createfolder' => 'rcube_create_folder_form',
	'renamefolder' => 'rcube_rename_folder_form'
	));

	// add some labels to client
	$OUTPUT->add_label('deletefolderconfirm','addsubfolderhint','forbiddencharacter','folderdeleting','folderrenaming','foldercreating','foldermoving');

	$OUTPUT->send('managefolders');
	?>

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