308 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			308 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
	
<?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,$last_child=true) {
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		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			debug_log('Entered (%%)',33,0,__FILE__,__LINE__,__METHOD__,$fargs);
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		$server = $this->getServer();
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		# Level pre-treatment
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		$code = '';
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		if (is_string($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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		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			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) {
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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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		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			debug_log('Entered (%%)',33,0,__FILE__,__LINE__,__METHOD__,$fargs);
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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 $indent;
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	}
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	/**
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	 * Draw the javascript to support the tree.
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	 */
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	protected function draw_javascript() {
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		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			debug_log('Entered (%%)',33,0,__FILE__,__LINE__,__METHOD__,$fargs);
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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 (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			debug_log('Entered (%%)',33,0,__FILE__,__LINE__,__METHOD__,$fargs);
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		if (strlen($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,$level) {
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		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			debug_log('Entered (%%)',33,0,__FILE__,__LINE__,__METHOD__,$fargs);
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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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		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			debug_log('Entered (%%)',33,0,__FILE__,__LINE__,__METHOD__,$fargs);
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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 $output;
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	}
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	/**
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	 * List the items in the tree that are open
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	 *
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	 * @return array List of open nodes
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	 */
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	public function listOpenItems() {
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		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
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			debug_log('Entered (%%)',33,0,__FILE__,__LINE__,__METHOD__,$fargs);
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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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