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<?php
/**
* List triggers on a table
*
* $Id: triggers.php,v 1.15.2.1 2003/08/13 03:58:25 chriskl Exp $
*/
// Include application functions
include_once('libraries/lib.inc.php');
include_once('classes/class.select.php');
$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
$PHP_SELF = $_SERVER['PHP_SELF'];
/**
* Show confirmation of drop and perform actual drop
*/
function doDrop($confirm) {
global $localData, $misc;
global $PHP_SELF, $lang;
if ($confirm) {
echo "<h2>", $misc->printVal($_REQUEST['database']), ": {$lang['strtables']}: ",
$misc->printVal($_REQUEST['table']), ": " , $misc->printVal($_REQUEST['trigger']), ": {$lang['strdrop']}</h2>\n";
echo "<p>", sprintf($lang['strconfdroptrigger'], $misc->printVal($_REQUEST['trigger']),
$misc->printVal($_REQUEST['table'])), "</p>\n";
echo "<form action=\"$PHP_SELF\" method=\"post\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"drop\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"trigger\" value=\"", htmlspecialchars($_REQUEST['trigger']), "\" />\n";
echo $misc->form;
// Show cascade drop option if supportd
if ($localData->hasDropBehavior()) {
echo "<p><input type=\"checkbox\" name=\"cascade\" /> {$lang['strcascade']}</p>\n";
}
echo "<input type=\"submit\" name=\"yes\" value=\"{$lang['stryes']}\" />\n";
echo "<input type=\"submit\" name=\"no\" value=\"{$lang['strno']}\" />\n";
echo "</form>\n";
}
else {
$status = $localData->dropTrigger($_POST['trigger'], $_POST['table'], isset($_POST['cascade']));
if ($status == 0)
doDefault($lang['strtriggerdropped']);
else
doDefault($lang['strtriggerdroppedbad']);
}
}
/**
* Let them create s.th.
*/
function doCreate($msg = '') {
global $data, $localData, $misc;
global $PHP_SELF, $lang;
echo "<h2>{$lang['strcreatetrigger']}</h2>";
$misc->printMsg($msg);
// Get all the functions that can be used in triggers
$funcs = &$localData->getTriggerFunctions();
if ($funcs->recordCount() == 0) {
doDefault($lang['strnofunctions']);
return;
}
/* Populate functions */
$sel0 = new XHTML_Select('formFunction');
while (!$funcs->EOF) {
$sel0->add(new XHTML_Option($funcs->f[$data->fnFields['fnname']]));
$funcs->moveNext();
}
/* Populate times */
$sel1 = new XHTML_Select('formExecTime');
$sel1->set_data($localData->triggerExecTimes);
/* Populate events */
$sel2 = new XHTML_Select('formEvent');
$sel2->set_data($localData->triggerEvents);
echo "<form action=\"$PHP_SELF\" method=\"POST\">\n";
echo "<table>\n";
echo "<tr><th colspan=\"2\" class=\"data\">{$lang['strname']}</th></tr>\n";
echo "<tr><td colspan=\"2\" class=\"data1\"><input type=\"text\" name=\"formTriggerName\" size=\"32\" /></td></tr>\n";
echo "<tr>\n";
echo " <th class=\"data\">{$lang['strwhen']}</th>\n";
echo " <th class=\"data\">{$lang['strevent']}</th>\n";
echo "</tr>\n";
echo "<tr>\n";
echo " <td class=\"data1\">", $sel1->fetch(), "</td>\n";
echo " <td class=\"data1\">", $sel2->fetch(), "</td>\n";
echo "</tr>\n";
echo "<tr><th class=\"data\">{$lang['strfunction']}</th>\n";
echo "<th class=\"data\">{$lang['strarguments']}</th></tr>\n";
echo "<tr><td class=\"data1\">", $sel0->fetch(), "</td>\n";
echo "<td class=\"data1\">(<input type=\"text\" name=\"formTriggerArgs\" size=\"32\" />)</td>\n";
echo "</tr></table>\n";
echo "<p><input type=\"submit\" value=\"{$lang['strcreate']}\" />\n";
echo "<input type=\"reset\" value=\"{$lang['strreset']}\" /></p>\n";
echo "<input type=\"hidden\" name=\"action\" value=\"save_create\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo $misc->form;
echo "</form>\n";
}
/**
* Actually creates the new trigger in the database
*/
function doSaveCreate() {
global $localData;
global $PHP_SELF, $lang;
// Check that they've given a name and a definition
if ($_POST['formFunction'] == '')
doCreate($lang['strtriggerneedsfunc']);
elseif ($_POST['formTriggerName'] == '')
doCreate($lang['strtriggerneedsname']);
elseif ($_POST['formEvent'] == '')
doCreate();
else {
$status = &$localData->createTrigger($_POST['formTriggerName'], $_POST['table'],
$_POST['formFunction'], $_POST['formExecTime'], $_POST['formEvent'],
$_POST['formTriggerArgs']);
if ($status == 0)
doDefault($lang['strtriggercreated']);
else
doCreate($lang['strtriggercreatedbad']);
}
}
/**
* List all the triggers on the table
*/
function doDefault($msg = '') {
global $data, $localData, $misc, $database;
global $PHP_SELF;
global $lang;
$misc->printTableNav();
echo "<h2>", $misc->printVal($_REQUEST['database']), ": ", $misc->printVal($_REQUEST['table']), ": {$lang['strtriggers']}</h2>\n";
$misc->printMsg($msg);
$triggers = &$localData->getTriggers($_REQUEST['table']);
if ($triggers->recordCount() > 0) {
echo "<table>\n";
echo "<tr><th class=\"data\">{$lang['strname']}</th><th class=\"data\">{$lang['strdefinition']}</th>";
echo "<th class=\"data\">{$lang['stractions']}</th>\n";
$i = 0;
while (!$triggers->EOF) {
$id = ( ($i % 2 ) == 0 ? '1' : '2' );
echo "<tr><td class=\"data{$id}\">", $misc->printVal( $triggers->f[$data->tgFields['tgname']]), "</td>";
echo "<td class=\"data{$id}\">";
// Nasty hack to support pre-7.4 PostgreSQL
if ($triggers->f[$data->tgFields['tgdef']] !== null)
echo $misc->printVal($triggers->f[$data->tgFields['tgdef']]);
else
echo $misc->printVal($localData->getTriggerDef($triggers->f));
echo "</td>\n<td class=\"opbutton{$id}\">";
echo "<a href=\"$PHP_SELF?action=confirm_drop&{$misc->href}&trigger=", urlencode( $triggers->f[$data->tgFields['tgname']]),
"&table=", urlencode($_REQUEST['table']), "\">{$lang['strdrop']}</td></tr>\n";
$triggers->moveNext();
$i++;
}
echo "</table>\n";
}
else
echo "<p>{$lang['strnotriggers']}</p>\n";
echo "<p><a class=\"navlink\" href=\"$PHP_SELF?action=create&{$misc->href}&table=", urlencode($_REQUEST['table']), "\">{$lang['strcreatetrigger']}</a></p>\n";
}
$misc->printHeader($lang['strtables'] . ' - ' . $_REQUEST['table'] . ' - ' . $lang['strtriggers']);
$misc->printBody();
switch ($action) {
case 'save_create':
doSaveCreate();
break;
case 'create':
doCreate();
break;
case 'drop':
if (isset($_POST['yes'])) doDrop(false);
else doDefault();
break;
case 'confirm_drop':
doDrop(true);
break;
default:
doDefault();
break;
}
$misc->printFooter();
?>
|
