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