phpldapadmin/lib/AJAXTree.php

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