<?php
/**
* Manage operators in a database
*
* $Id: operators.php,v 1.29 2007/08/31 18:30:11 ioguix Exp $
*/
// Include application functions
include_once('./libraries/lib.inc.php');
$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
if (!isset($msg)) $msg = '';
/**
* Show read only properties for an operator
*/
function doProperties($msg = '') {
global $data, $misc;
global $lang;
$misc->printTrail('operator');
$misc->printTitle($lang['strproperties'],'pg.operator');
$misc->printMsg($msg);
$oprdata = $data->getOperator($_REQUEST['operator_oid']);
$oprdata->fields['oprcanhash'] = $data->phpBool($oprdata->fields['oprcanhash']);
if ($oprdata->recordCount() > 0) {
echo "<table>\n";
echo "<tr><th class=\"data left\">{$lang['strname']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprname']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strleftarg']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprleftname']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strrightarg']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprrightname']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strcommutator']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprcom']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strnegator']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprnegate']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strjoin']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprjoin']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strhashes']}</th>\n";
echo "<td class=\"data1\">", ($oprdata->fields['oprcanhash']) ? $lang['stryes'] : $lang['strno'], "</td></tr>\n";
/* these field only exists in 8.2 and before in pg_catalog */
if (isset($oprdata->fields['oprlsortop'])) {
echo "<tr><th class=\"data left\">{$lang['strmerges']}</th>\n";
echo "<td class=\"data1\">", ($oprdata->fields['oprlsortop'] !== '0' && $oprdata->fields['oprrsortop'] !== '0') ? $lang['stryes'] : $lang['strno'], "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strrestrict']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprrest']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strleftsort']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprlsortop']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strrightsort']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprrsortop']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strlessthan']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprltcmpop']), "</td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strgreaterthan']}</th>\n";
echo "<td class=\"data1\">", $misc->printVal($oprdata->fields['oprgtcmpop']), "</td></tr>\n";
}
else {
echo "<tr><th class=\"data left\">{$lang['strmerges']}</th>\n";
echo "<td class=\"data1\">", $data->phpBool($oprdata->fields['oprcanmerge']) ? $lang['stryes'] : $lang['strno'], "</td></tr>\n";
}
echo "</table>\n";
echo "<p><a class=\"navlink\" href=\"operators.php?{$misc->href}\">{$lang['strshowalloperators']}</a></p>\n";
}
else
doDefault($lang['strinvalidparam']);
}
/**
* Show confirmation of drop and perform actual drop
*/
function doDrop($confirm) {
global $data, $misc;
global $lang;
if ($confirm) {
$misc->printTrail('operator');
$misc->printTitle($lang['strdrop'], 'pg.operator.drop');
echo "<p>", sprintf($lang['strconfdropoperator'], $misc->printVal($_REQUEST['operator'])), "</p>\n";
echo "<form action=\"operators.php\" method=\"post\">\n";
echo "<p><input type=\"checkbox\" id=\"cascade\" name=\"cascade\" /> <label for=\"cascade\">{$lang['strcascade']}</label></p>\n";
echo "<p><input type=\"hidden\" name=\"action\" value=\"drop\" />\n";
echo "<input type=\"hidden\" name=\"operator\" value=\"", htmlspecialchars($_REQUEST['operator']), "\" />\n";
echo "<input type=\"hidden\" name=\"operator_oid\" value=\"", htmlspecialchars($_REQUEST['operator_oid']), "\" />\n";
echo $misc->form;
echo "<input type=\"submit\" name=\"drop\" value=\"{$lang['strdrop']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
echo "</form>\n";
}
else {
$status = $data->dropOperator($_POST['operator_oid'], isset($_POST['cascade']));
if ($status == 0)
doDefault($lang['stroperatordropped']);
else
doDefault($lang['stroperatordroppedbad']);
}
}
/**
* Show default list of operators in the database
*/
function doDefault($msg = '') {
global $data, $conf, $misc;
global $lang;
$misc->printTrail('schema');
$misc->printTabs('schema','operators');
$misc->printMsg($msg);
$operators = $data->getOperators();
$columns = array(
'operator' => array(
'title' => $lang['stroperator'],
'field' => field('oprname'),
'url' => "operators.php?action=properties&{$misc->href}&",
'vars' => array('operator' => 'oprname', 'operator_oid' => 'oid'),
),
'leftarg' => array(
'title' => $lang['strleftarg'],
'field' => field('oprleftname'),
),
'rightarg' => array(
'title' => $lang['strrightarg'],
'field' => field('oprrightname'),
),
'returns' => array(
'title' => $lang['strreturns'],
'field' => field('resultname'),
),
'actions' => array(
'title' => $lang['stractions'],
),
'comment' => array(
'title' => $lang['strcomment'],
'field' => field('oprcomment'),
),
);
$actions = array(
'drop' => array(
'title' => $lang['strdrop'],
'url' => "operators.php?action=confirm_drop&{$misc->href}&",
'vars' => array('operator' => 'oprname', 'operator_oid' => 'oid'),
),
);
$misc->printTable($operators, $columns, $actions, $lang['strnooperators']);
// echo "<p><a class=\"navlink\" href=\"operators.php?action=create&{$misc->href}\">{$lang['strcreateoperator']}</a></p>\n";
}
/**
* Generate XML for the browser tree.
*/
function doTree() {
global $misc, $data;
$operators = $data->getOperators();
// Operator prototype: "type operator type"
$proto = concat(field('oprleftname'), ' ', field('oprname'), ' ', field('oprrightname'));
$reqvars = $misc->getRequestVars('operator');
$attrs = array(
'text' => $proto,
'icon' => 'Operator',
'toolTip'=> field('oprcomment'),
'action' => url('operators.php',
$reqvars,
array(
'action' => 'properties',
'operator' => $proto,
'operator_oid' => field('oid')
)
)
);
$misc->printTreeXML($operators, $attrs);
exit;
}
if ($action == 'tree') doTree();
$misc->printHeader($lang['stroperators']);
$misc->printBody();
switch ($action) {
case 'save_create':
if (isset($_POST['cancel'])) doDefault();
else doSaveCreate();
break;
case 'create':
doCreate();
break;
case 'drop':
if (isset($_POST['cancel'])) doDefault();
else doDrop(false);
break;
case 'confirm_drop':
doDrop(true);
break;
case 'properties':
doProperties();
break;
default:
doDefault();
break;
}
$misc->printFooter();
?>