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<?php
/**
* List triggers on a table
*
* $Id: triggers.php,v 1.24 2004/09/28 13:09:31 jollytoad 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'];
/**
* Function to save after altering a trigger
*/
function doSaveAlter() {
global $data, $lang;
$status = $data->alterTrigger($_POST['table'], $_POST['trigger'], $_POST['name']);
if ($status == 0)
doDefault($lang['strtriggeraltered']);
else
doAlter($lang['strtriggeralteredbad']);
}
/**
* Function to allow altering of a trigger
*/
function doAlter($msg = '') {
global $data, $misc;
global $PHP_SELF, $lang;
$misc->printTrail('trigger');
$misc->printTitle($lang['stralter'],'pg.trigger.alter');
$misc->printMsg($msg);
$triggerdata = &$data->getTrigger($_REQUEST['table'], $_REQUEST['trigger']);
if ($triggerdata->recordCount() > 0) {
if (!isset($_POST['name'])) $_POST['name'] = $triggerdata->f['tgname'];
echo "<form action=\"$PHP_SELF\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data\">{$lang['strname']}</th>\n";
echo "<td class=\"data1\">";
echo "<input name=\"name\" size=\"32\" maxlength=\"{$data->_maxNameLen}\" value=\"",
htmlspecialchars($_POST['name']), "\" />\n";
echo "</table>\n";
echo "<p><input type=\"hidden\" name=\"action\" value=\"alter\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"trigger\" value=\"", htmlspecialchars($_REQUEST['trigger']), "\" />\n";
echo $misc->form;
echo "<input type=\"submit\" name=\"alter\" value=\"{$lang['strok']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
echo "</form>\n";
}
else echo "<p>{$lang['strnodata']}</p>\n";
}
/**
* Show confirmation of drop and perform actual drop
*/
function doDrop($confirm) {
global $data, $misc;
global $PHP_SELF, $lang;
if ($confirm) {
$misc->printTrail('trigger');
$misc->printTitle($lang['strdrop'],'pg.trigger.drop');
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 $misc->form;
// Show cascade drop option if supportd
if ($data->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 = $data->dropTrigger($_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, $misc;
global $PHP_SELF, $lang;
$misc->printTrail('table');
$misc->printTitle($lang['strcreatetrigger'],'pg.trigger.create');
$misc->printMsg($msg);
// Get all the functions that can be used in triggers
$funcs = &$data->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['proname']));
$funcs->moveNext();
}
/* Populate times */
$sel1 = new XHTML_Select('formExecTime');
$sel1->set_data($data->triggerExecTimes);
/* Populate events */
$sel2 = new XHTML_Select('formEvent');
$sel2->set_data($data->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=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
echo "<input type=\"hidden\" name=\"action\" value=\"save_create\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo $misc->form;
echo "</form>\n";
}
/**
* Actually creates the new trigger in the database
*/
function doSaveCreate() {
global $data;
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 {
$status = &$data->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, $misc, $database;
global $PHP_SELF;
global $lang;
function tgPre(&$rowdata) {
global $data, $lang;
// Nasty hack to support pre-7.4 PostgreSQL
$rowdata->f['+tgdef'] = $rowdata->f['tgdef'] !== null
? $rowdata->f['tgdef']
: $data->getTriggerDef($rowdata->f);
}
$misc->printTrail('table');
$misc->printTabs('table','triggers');
$misc->printMsg($msg);
$triggers = &$data->getTriggers($_REQUEST['table']);
$columns = array(
'trigger' => array(
'title' => $lang['strname'],
'field' => 'tgname',
),
'definition' => array(
'title' => $lang['strdefinition'],
'field' => '+tgdef',
),
'actions' => array(
'title' => $lang['stractions'],
),
);
$actions = array(
'alter' => array(
'title' => $lang['stralter'],
'url' => "{$PHP_SELF}?action=confirm_alter&{$misc->href}&table=".urlencode($_REQUEST['table'])."&",
'vars' => array('trigger' => 'tgname'),
),
'drop' => array(
'title' => $lang['strdrop'],
'url' => "{$PHP_SELF}?action=confirm_drop&{$misc->href}&table=".urlencode($_REQUEST['table'])."&",
'vars' => array('trigger' => 'tgname'),
),
);
if (!$data->hasAlterTrigger()) unset($actions['alter']);
$misc->printTable($triggers, $columns, $actions, $lang['strnotriggers'], 'tgPre');
echo "<p><a class=\"navlink\" href=\"$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 'alter':
if (isset($_POST['alter'])) doSaveAlter();
else doDefault();
break;
case 'confirm_alter':
doAlter();
break;
case 'save_create':
if (isset($_POST['cancel'])) doDefault();
else 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();
?>
|
