phpldapadmin/lib/AJAXTree.php

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<?php
/**
* Classes and functions for the LDAP tree.
*
* @author The phpLDAPadmin development team
* @package phpLDAPadmin
*/
/**
* This class implements an AJAX based tree.
*
* @package phpLDAPadmin
* @subpackage Tree
* @see HTMLTree Tree
*/
class AJAXTree extends HTMLTree {
/**
* Draw a node of the tree
*
* @param dn The Base DN to draw
* @param string $level a string of 0 and 1 ; $level == "000101" will draw " | |<node>"
* @param boolean $first_child is the first child entry, which is normally the "Create New Entry" option
* @param boolean $last_child is the last child entry, which is normally the "Create New Entry" option
*/
protected function draw_item($item,$level,$first_child=true,$last_child=true) {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
$server = $this->getServer();
# Level pre-treatment
$code = '';
if (is_string($level)) {
for ($i=0; $i<strlen($level); $i++) {
if ($level[$i] == '0')
{
$code .= '0';
}
elseif ($level[$i] == '1')
{
$code .= '1';
}
}
} elseif ($level > 0)
{
$code = '0' * $level;
}
$level = strlen($code);
# Get entry to display as node
$entry = $this->getEntry($item);
# If the entry doesnt exist, we'll add it.
if (! $entry) {
$this->addEntry($item);
$entry = $this->getEntry($item);
}
# If the entry doesnt exist in the server, then return here with an empty string.
if (! $entry)
{
return '';
}
# Get our children.
$child_count = $this->readChildrenNumber($entry->getDN());
$nb = 0;
if ($first_child)
{
++$nb;
}
if ($last_child)
{
$nb += 2;
}
$imgs['expand'] = array('tree_expand.png','tree_expand.png','tree_expand_corner.png',
($level > 0) ? 'tree_expand_corner.png' : 'tree_expand_corner_first.png');
$imgs['collapse'] = array('tree_collapse.png','tree_collapse.png','tree_collapse_corner.png',
($level > 0) ? 'tree_collapse_corner.png' : 'tree_collapse_corner_first.png');
$imgs['tree'] = array('tree_split.png','tree_split.png','tree_corner.png','tree_corner.png');
/** Information on array[$nb]
* nb == 1 => the node is the first child
* nb == 2 => the node is the last child
* nb == 3 => the node is the unique child
* nb == 0 => the node is a child */
$new_code = array('1','1','0','0');
# Links
$parms['openclose'] = htmlspecialchars(sprintf('server_id=%s&dn=%s&code=%s%s',$this->getServerID(),$entry->getDNEncode(),$code,$new_code[$nb]));
$parms['edit'] = htmlspecialchars(sprintf('cmd=template_engine&server_id=%s&dn=%s',$this->getServerID(),$entry->getDNEncode()));
$href = sprintf('cmd.php?%s',$parms['edit']);
# Each node has a unique id based on dn
$node_id = sprintf('node%s',base64_encode(sprintf('%s-%s',$server->getIndex(),$entry->getDN())));
$node_id = str_replace('=','_',$node_id);
if ($level == 0)
{
printf('<tr><td class="spacer"></td><td colspan="%s">', $this->getDepth() + 3 - 1);
}
printf('<div id="jt%s" class="treemenudiv">',$node_id);
echo $this->get_indentation($code);
if (! $child_count)
{
printf('<img id="jt%snode" src="%s/%s" alt="--" class="imgs" style="border: 0px; vertical-align:text-top;" />', $node_id, IMGDIR, $imgs['tree'][$nb]);
}
else {
printf('<a href="#" onclick="return opencloseTreeNode(\'%s\',\'%s\',\'%s\');">',$node_id,$parms['openclose'],IMGDIR);
if ($entry->isOpened())
{
printf('<img id="jt%snode" src="%s/%s" alt="+-" class="imgs" style="border: 0px; vertical-align:text-top;" />', $node_id, IMGDIR, $imgs['collapse'][$nb]);
}
else
{
printf('<img id="jt%snode" src="%s/%s" alt="+-" class="imgs" style="border: 0px; vertical-align:text-top;" />', $node_id, IMGDIR, $imgs['expand'][$nb]);
}
echo '</a>';
}
printf('<a href="%s" onclick="return ajDISPLAY(\'BODY\',\'%s\',\'%s\');" title="%s" >',$href,$parms['edit'],_('Retrieving DN'),htmlspecialchars($entry->getDN()));
printf('<span class="dnicon"><img id="jt%sfolder" src="%s/%s" alt="->" class="imgs" style="border: 0px; vertical-align:text-top;" /></span>',$node_id,IMGDIR,$entry->getIcon($server));
echo '</a>';
echo '&nbsp;';
printf('<a href="%s" onclick="return ajDISPLAY(\'BODY\',\'%s\',\'%s\');" title="%s" class="phplm">',$href,$parms['edit'],_('Retrieving DN'),htmlspecialchars($entry->getDN()));
echo $this->get_formatted_dn($entry,$level-1);
echo ($child_count ? (sprintf(' (%s%s)',$child_count,($entry->isSizeLimited() ? '+' : ''))) : '');
echo '</a>';
echo '</div>';
printf('<div id="jt%sson" style="display: %s" class="treemenudiv">',$node_id,($entry->isOpened() ? 'block' : 'none'));
if ($entry->isOpened())
{
$this->draw_children($entry, $code . $new_code[$nb]);
}
echo '</div>';
if ($level == 0)
{
echo '</td></tr>';
}
}
/**
* Expand and draw a child entry, when it is clicked on. This is using AJAX just to render this section of the tree.
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* @param $parent_entry
* @param $code
*/
public function draw_children($parent_entry,$code) {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
$children = array();
foreach ($parent_entry->getChildren() as $child) {
if (! $this->getEntry($child))
{
$this->addEntry($child);
}
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$children[] = $this->getEntry($child);
}
$first_child = $this->create_before_child($parent_entry,$code);
$last_child = $this->create_after_child($parent_entry,$code);
# If compression is on, we need to compress this output - but only if called by draw_tree_node
if (function_exists('isCompress') && isCompress() && get_request('cmd','REQUEST') == 'draw_tree_node')
{
ob_start();
}
echo $first_child;
for ($i=0; $i<count($children); $i++) {
$first = ($i == 0) && (! $first_child);
$last = ($i == (count($children)-1)) && (! $last_child);
if (is_object($children[$i]))
{
$this->draw_item($children[$i]->getDN(), $code, $first, $last);
}
else
{
echo '<br/>problem getting DN entry from ldap';
}
echo "\n";
}
echo $last_child;
# If compression is on, we need to compress this output
if (function_exists('isCompress') && isCompress() && get_request('cmd','REQUEST') == 'draw_tree_node') {
$output = ob_get_clean();
echo gzencode($output);
}
}
/**
* Return the indentation before a node
*
* @param $code a string of 0 and 1 ; $code == "000101" will return " | |"
*/
protected function get_indentation($code) {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
$indent = '';
for ($i=0; $i<strlen($code); $i++) {
switch ($code[$i]) {
case '0':
$indent .= sprintf('<img src="%s/tree_space.png" alt=" " class="imgs" style="border: 0px; vertical-align:text-top;" />',IMGDIR);
break;
case '1':
$indent .= sprintf('<img src="%s/tree_vertline.png" alt="| " class="imgs" style="border: 0px; vertical-align:text-top;" />',IMGDIR);
break;
}
}
return $indent;
}
/**
* Draw the javascript to support the tree.
*/
protected function draw_javascript() {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
parent::draw_javascript();
printf('<script type="text/javascript" src="%slayersmenu-browser_detection.js"></script>',JSDIR);
printf('<script type="text/javascript" src="%sajax_tree.js"></script>',JSDIR);
}
/**
* Draw the "Create New Entry" item before the children.
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* @param $entry
* @param $level
* @return string
*/
private function create_before_child($entry,$level) {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
if (strlen($level) == 0)
{
return '';
}
$server = $this->getServer();
$output = '';
if (! $server->isReadOnly() && ! $entry->isLeaf() && (count($entry->getChildren()) > 10) && $this->getServer()->isShowCreateEnabled()
&& $_SESSION[APPCONFIG]->getValue('appearance','show_top_create'))
{
$output = $this->draw_create_new_entry($entry, $level, IMGDIR . '/tree_split.png');
}
return $output;
}
/**
* Draw the "Create New Entry" item after the children.
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* @param $entry
* @param $level
* @return string
*/
private function create_after_child($entry,$level) {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
if (strlen($level) == 0)
{
return '';
}
$server = $this->getServer();
$output = '';
if (! $server->isReadOnly() && ! $entry->isLeaf() && $this->getServer()->isShowCreateEnabled())
{
$output = $this->draw_create_new_entry($entry, $level, IMGDIR . '/tree_corner.png');
}
return $output;
}
/**
* Draw the "Create New Entry" item.
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* @param $entry
* @param $level
* @param $img
* @return string
*/
private function draw_create_new_entry($entry,$level,$img) {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
$output = '';
$href = sprintf('cmd=template_engine&server_id=%s&container=%s',$this->getServerID(),$entry->getDNEncode());
$output .= $this->get_indentation($level);
$output .= sprintf('<img src="%s" alt="--" class="imgs" style="border: 0px; vertical-align:text-top;" />',$img);
$output .= sprintf('<a href="%s" title="%s">',htmlspecialchars($href),$entry->getDN());
$output .= sprintf('<img src="%s/create.png" alt="->" class="imgs" style="border: 0px; vertical-align:text-top;" />',IMGDIR);
$output .= '</a>';
$output .= '&nbsp;';
if (isAjaxEnabled())
{
$output .= sprintf('<a href="cmd.php?%s" title="%s" class="phplm" onclick="return ajDISPLAY(\'BODY\',\'%s\',\'%s\');">',
htmlspecialchars($href), _('Create new entry here'),
htmlspecialchars($href), _('Loading'));
}
else
{
$output .= sprintf('<a href="cmd.php?%s" title="%s" class="phplm">', htmlspecialchars($href), _('Create new entry here'));
}
$output .= _('Create new entry here');
$output .= '</a>';
return $output;
}
/**
* List the items in the tree that are open
*
* @return array List of open nodes
*/
public function listOpenItems() {
if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
{
debug_log('Entered (%%)', 33, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
$result = array();
foreach ($this->entries as $dn => $value)
{
if ($value->isOpened())
{
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$result[] = $value->getDN();
}
}
return $result;
}
}
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