<?
//show page header
        admin_header('Edit Language Definitions');

//save changes
        if ($en['act'] == 'save') {
                $line = sql_fetch_assoc(sql_query("SELECT * FROM $langtable WHERE l_id='$en[id]'"));
                $d = unserialize($line['l_defs']);
                foreach ((array)$_POST['save'] as $sect) {
                        foreach ($sect as $key => $value)
                                if (!($value == '' && $sect == 'missing')) {
                                        $d[$key] = $value;
                                        }
                        }
                                                
                sql_query("UPDATE $langtable SET l_defs='".addslashes(serialize($d))."' WHERE l_id=$en[id]");
                }

//form to choose language and sections
        echo "<b><u>Select Language Definitions</u></b><Br><Br><form action=index.php method=post>
                        <input type=hidden name=req value='language_edit_defs'>";

//select language
        echo "<table>
                <tr><td class=key>Language:</td><td><select name=id>";
        $res = sql_query("SELECT * FROM $langtable ORDER BY l_active DESC");
        while ($line = sql_fetch_assoc($res)) {
                echo "<option value=$line[l_id]".($en['id'] == $line['l_id'] ? ' selected' : '').">$line[l_name]</option>";
                if ($en['id'] == $line['l_id']) $src = $line;
                }
        echo "  </select></td></tr>";
        
//select section
        $cd = getcwd(); chdir('..'); $sects = get_language_files(); chdir($cd);
        $sect = array('' => 'All Definitions','missing' => 'Missing Definitions Only','custom' => 'Custom Definitions Only');

        foreach ((array)$sects['english.lng'] as $value) {
                $loc = explode('/',$value);
                if ($loc[0] == 'modules')
                        $sect['mod_'.$loc[1]] = $modules[$loc[1]]['name'];
                }

        echo "<tr><td class=key>Section:</td><td><select name=sect>";

        foreach ($sect as $key => $value)
                echo "<option value='$key'".($key == $en['sect'] ? ' selected' : '').">$value</option>";

        echo "</select></td></tr></table>
              <input type=submit name=sm value='Show Definitions'></form>";

//get language definition section names
        $cd = getcwd(); chdir('..');
        $defs = array();
        foreach ($sects['english.lng'] as $value) {
                $d = read_language_file($value);
                $loc = explode('/',$value);
                $s = ($value == 'languages/english.lng' ? 'base' : 'mod_'.$loc[1]);
                foreach ($d as $key => $value)
                        $defs[$key] = array($s,$value);
                }
        unset($defs['']);
        chdir($cd);

//prepare sections
        $d = unserialize($src['l_defs']);
        foreach ($d as $key => $value)
                $out[$defs[$key][0]][$key] = array($value,$defs[$key][1]);

//get undefined definitions
        foreach ($defs as $key => $value)
                if (empty($d[$key])) {
                        $out['missing'][$key] = array('',$value[1]);
                        unset($out[$defs[$key][0]][$key]);
                        }
        
//show language definitions
        echo "<b><u>Modify Language Definitions</u></b><Br><Br><form action=index.php method=post>
                        <input type=hidden name=req value='language_edit_defs'>
                        <input type=hidden name=act value='save'>
                        <input type=hidden name=id value='$en[id]'>
                        <input type=hidden name=sect value='$en[sect]'>
                        <table width=100%>";

        function show_language_defs($sect, $title) {
                global $src,$out;
                $defs = $out[$sect];

            //clear empty values
                foreach ((array)$defs as $key => $value)
                        if ($key == '')
                                unset($defs[$key]);
                
            //verify if array
                if (!is_array($defs) || count($defs) == 0) return false;
                
            //print section title
                echo '<tr><td colspan=2><b>'.$title.'</b></td></tr>';
                
            //print variables
                if ($sect == '') $sect = 'custom';
                foreach ($defs as $key => $value) {
                        echo '<tr><td class=key width=100px>'.$key.'</td><td><input type=text name="save['.$sect.']['.$key.']" value="'.html_output($value[0]).'" size=50 style="width:100%;">'.($src['l_file'] != 'english.lng' ? '<br><small><b>English: </b>'.$value[1].'</small>' : '').'</td></tr>';
                        }
                echo '<tr><td colspan=2><input type=submit name=sm value="Save Definitions"></tr>';
                }

//show missing definitions
        if ($en['sect'] == '' || $en['sect'] == 'missing') {
                unset($out['missing']['']);
                show_language_defs('missing','<font color=red>Missing Definitions</font>');
                unset($out['missing']);
                }

//show custom definitions
        if ($en['sect'] == '' || $en['sect'] == 'custom') {
                show_language_defs('','Custom Definitions');
                unset($out['']);
                }

//show base definitions
        if ($en['sect'] == '') {
                show_language_defs('base','Base Definitions');
                unset($out['base']);
                }

//module definitions
        foreach ($out as $key => $value)
            if ($en['sect'] == '' || $en['sect'] == $key) {
                show_language_defs($key,$modules[substr($key,4)]['name'].' Module Definitions');
                }

        echo "</table>";
?>