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<?php
/**
 * phpDocumentor :: docBuilder Web Interface
 * 
 * PHP versions 4 and 5
 *
 * Copyright (c) 2003-2006 Andrew Eddie, Greg Beaver
 * 
 * LICENSE:
 * 
 * This library is free software; you can redistribute it
 * and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any
 * later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * @package    phpDocumentor
 * @author     Andrew Eddie
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  2003-2006 Andrew Eddie, Greg Beaver
 * @license    http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @version    CVS: $Id: utilities.php 212211 2006-04-30 22:18:14Z cellog $
 */

if ('/usr/share/php/data' != '@'.'DATA-DIR@')
{
    include_once('PhpDocumentor/HTML_TreeMenu-1.1.2/TreeMenu.php');
} else {
    include_once(dirname(realpath(__FILE__))."/../../HTML_TreeMenu-1.1.2/TreeMenu.php");
}

/**
 *      Allows png's with alpha transparency to be displayed in IE 6
 *      @param string $src path to the source image
 *      @param int $wid width on the image [optional]
 *      @param int $hgt height on the image [optional]
 *      @param string $alt hover text for the image [optional]
 */
function showImage( $src, $wid='', $hgt='', $alt='' ) {
        if (strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 6.0' ) !== false) {
                return "<div style=\"height:{$hgt}px; width:{$wid}px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='$src', sizingMethod='scale');\" ></div>";
        } else {
                return "<img src=\"$src\" width=\"$wid\" height=\"$hgt\" alt=\"$alt\" border=\"0\" />";
        }
}

/**
 *      Returns a select box based on an key,value array where selected is based on key
 *      @param array $arr array of the key-text pairs
 *      @param string $select_name The name of the select box
 *      @param string $select_attribs Additional attributes to insert into the html select tag
 *      @param string $selected The key value of the selected eleme
 */
function htmlArraySelect( &$arr, $select_name, $select_attribs, $selected ) {
        GLOBAL $AppUI;
        reset( $arr );
        $s = "\n<select name=\"$select_name\" $select_attribs>";
        foreach ($arr as $k => $v ) {
                $s .= "\n\t<option value=\"".$k."\"".($k == $selected ? " selected=\"selected\"" : '').">" . $v . "</option>";
        }
        $s .= "\n</select>\n";
        return $s;
}

function getDir($path,&$node) {
        global $pd;
        if (!$dir = opendir($path)) return;
        
        $node = new HTML_TreeNode(array('text' => basename(realpath($path)), 'link' => "", 'icon' => 'folder.gif'));
        while (($file = readdir($dir)) !== false)
        {
                if ($file != '.' && $file != '..')
                {
                        if (is_dir("$path$pd$file") && !is_link("$path$pd$file"))
                        {
                                $entry[] = "$path$pd$file";
                        }
                }
        }
        closedir($dir);
        for($i = 0; $i < count($entry); $i++)
        {
                $node->addItem(new HTML_TreeNode(array('text'=>basename(realpath($entry[$i])), 'link' => "javascript:setHelp('".addslashes(realpath($entry[$i]))."');", 'icon' => 'folder.gif')));
        }
}

function recurseDir($path, &$node) {
        global $pd;
        if (!$dir = opendir($path)) {
                return false;
        }
        $anode = new HTML_TreeNode(array('text' => basename($path), 'link' => "javascript:setHelpVal('".$path."');", 'icon' => 'folder.gif'));
        $result = addslashes(realpath(stripslashes($path).$pd.".."));
        if (!$node) $anode->addItem(new DirNode('..',"javascript:setHelp('".$result."');",'folder.gif'),'..');
        while (($file = readdir($dir)) !== false) {
                if ($file != '.' && $file != '..') {
                        if (is_dir("$path$pd$file")) {
                                recurseDir("$path$pd$file",$anode);
                        }
                }
        }
        rewinddir($dir);//
        while (false){//($file = readdir($dir)) !== false) {
                if ($file != '.' && $file != '..') {
                        if (is_file("$path$pd$file")) {
                                $anode->addItem(new DirNode($file,"javascript:setHelpVal('$path$pd$file');",'branchtop.gif',"$path$pd$file"));
                        }
                }
        }
        if (!$node) $node = $anode;
        else
        $node->addItem($anode);
        closedir($dir);
}

function switchDirTree($path, &$node)
{
        global $pd;

        // initialize recursion simulation values
        // array format: path => &parent in $node itemlist
        $parent = array();
        $parent_indexes = array();
        $parenti = 1;
        
        $node = new DirNode(basename($path),"javascript:setHelpVal('".$path."');",'folder.gif',$path);
        $result = addslashes(realpath($path.$pd.".."));
        $node->addItem(new DirNode('..',"javascript:setHelp('".$result."');",'folder.gif','..'));
        $rnode = &$node;
        $parent[realpath($path)] = false;
        $recur = 0;
        do
        {
                if ($recur++ > 120) return;
                if (!$dir = @opendir($path)) {
                        // no child files or directories
//                    echo "$path no child files or directories return to ";
                        $rnode = &$parent[realpath($path)];
                        $path = $rnode->path;
                        if (isset($parent_indexes[realpath($path)])) $parenti = $parent_indexes[realpath($path)];
//                    echo "$path parenti $parenti<br>";
                }
//                fancy_debug($path,$parent_indexes);
//                vdump_par($parent);
                if (!isset($parent_indexes[realpath($path)]))
                {
                        $file = readdir($dir);
                        while ($file !== false) {
                                if ($file != '.' && $file != '..') {
                                        if (@is_dir(realpath("$path$pd$file"))) {
                                                if (!isset($parent_indexes[realpath($path)])) $parent_indexes[realpath($path)] = true;
                                                $parent[realpath("$path$pd$file")] = &$rnode;
//                                echo "<br>adding new ".addslashes(realpath($path.$pd.$file))." to $path<br>";
                                                $rnode->addItem(new DirNode(addslashes(realpath("$path$pd$file")),"javascript:setHelpVal('".addslashes(realpath($path.$pd.$file))."');",'folder.gif',addslashes(realpath($path.$pd.$file))));
                                        }
                                }
                                $file = readdir($dir);
                        }
                }
                // go down the tree if possible
                if (isset($parent_indexes[realpath($path)]))
                {
                        if ($parenti + 1 > (count($rnode->items)))
                        {
                                // no more children, go back up to parent
//                        echo "$path no more children, go back up to parent ";
                                $rnode = &$parent[realpath($path)];
                                $path = $rnode->path;
                                if (isset($parent_indexes[realpath($path)])) $parenti = $parent_indexes[realpath($path)];
//                        echo $path." parenti $parenti<br>";
                        } else
                        {
                                // go to next child
//                        echo "$path go to next child ";
                                $parent_indexes[realpath($path)] = $parenti+1;
//                        debug("set parent ".$rnode->items[$parenti]->path." = ".$rnode->path.'<br>');
                                $parent[realpath($rnode->items[$parenti]->path)] = &$rnode;
                                $rnode = &$rnode->items[$parenti];
                                $path = $rnode->path;
//                        echo "$path<br>";
                                $parenti = 0;
                        }
                } else
                {
                        // no children, go back up the tree to the next child
//                    echo "$path no children, go back up to parent ";
                        $rnode = &$parent[realpath($path)];
                        $path = $rnode->path;
                        if (isset($parent_indexes[realpath($path)])) $parenti = $parent_indexes[realpath($path)];
//                    echo "$path parenti $parenti<br>";
                }
                @closedir($dir);
        } while ($path && (($parenti < (count($rnode->items))) || ($parent[realpath($path)] !== false)));
}

function vdump_par($tree)
{
        foreach($tree as $key => $val)
        {
                if ($val === false)
                debug($key.' -> false<br>');
                else
                debug($key.' -> ' .$val->path.'<br>');
        }
        debug('<br>');
}
?>