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triggers.php
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<?php
/**
* List triggers on a table
*
* $Id: triggers.php,v 1.37 2007/09/19 14:42:12 ioguix Exp $
*/
// Include application functions
include_once('./libraries/lib.inc.php');
include_once('./classes/class.select.php');
$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
/**
* 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 $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'] = $triggerdata->fields['tgname'];
}
echo "<form action=\"triggers.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data\">{$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 $lang;
if ($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=\"triggers.php\" 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 $misc->form;
echo "<p><input type=\"checkbox\" id=\"cascade\" name=\"cascade\" /> <label for=\"cascade\">{$lang['strcascade']}</label></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($lang['strtriggerdroppedbad']);
}
}
}
/**
* Show confirmation of enable trigger and perform enabling the trigger
*/
function doEnable($confirm)
{
global $data, $misc;
global $lang;
if ($confirm) {
$misc->printTrail('trigger');
$misc->printTitle($lang['strenable'], 'pg.table.alter');
echo "<p>", sprintf(
$lang['strconfenabletrigger'],
$misc->printVal($_REQUEST['trigger']),
$misc->printVal($_REQUEST['table'])
), "</p>\n";
echo "<form action=\"triggers.php\" method=\"post\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"enable\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"trigger\" value=\"", htmlspecialchars($_REQUEST['trigger']), "\" />\n";
echo $misc->form;
echo "<input type=\"submit\" name=\"yes\" value=\"{$lang['stryes']}\" />\n";
echo "<input type=\"submit\" name=\"no\" value=\"{$lang['strno']}\" />\n";
echo "</form>\n";
} else {
$status = $data->enableTrigger($_POST['trigger'], $_POST['table']);
if ($status == 0) {
doDefault($lang['strtriggerenabled']);
} else {
doDefault($lang['strtriggerenabledbad']);
}
}
}
/**
* Show confirmation of disable trigger and perform disabling the trigger
*/
function doDisable($confirm)
{
global $data, $misc;
global $lang;
if ($confirm) {
$misc->printTrail('trigger');
$misc->printTitle($lang['strdisable'], 'pg.table.alter');
echo "<p>", sprintf(
$lang['strconfdisabletrigger'],
$misc->printVal($_REQUEST['trigger']),
$misc->printVal($_REQUEST['table'])
), "</p>\n";
echo "<form action=\"triggers.php\" method=\"post\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"disable\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"trigger\" value=\"", htmlspecialchars($_REQUEST['trigger']), "\" />\n";
echo $misc->form;
echo "<input type=\"submit\" name=\"yes\" value=\"{$lang['stryes']}\" />\n";
echo "<input type=\"submit\" name=\"no\" value=\"{$lang['strno']}\" />\n";
echo "</form>\n";
} else {
$status = $data->disableTrigger($_POST['trigger'], $_POST['table']);
if ($status == 0) {
doDefault($lang['strtriggerdisabled']);
} else {
doDefault($lang['strtriggerdisabledbad']);
}
}
}
/**
* Let them create s.th.
*/
function doCreate($msg = '')
{
global $data, $misc;
global $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->fields['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);
/* Populate occurrences */
$sel3 = new XHTML_Select('formFrequency');
$sel3->set_data($data->triggerFrequency);
echo "<form action=\"triggers.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr>\n";
echo " <th class=\"data\">{$lang['strname']}</th>\n";
echo " <th class=\"data\">{$lang['strwhen']}</th>\n";
echo "</tr>\n";
echo "<tr>\n";
echo " <td class=\"data1\"> <input type=\"text\" name=\"formTriggerName\" size=\"32\" /></td>\n";
echo " <td class=\"data1\"> ", $sel1->fetch(), "</td>\n";
echo "</tr>\n";
echo "<tr>\n";
echo " <th class=\"data\">{$lang['strevent']}</th>\n";
echo " <th class=\"data\">{$lang['strforeach']}</th>\n";
echo "</tr>\n";
echo "<tr>\n";
echo " <td class=\"data1\"> ", $sel2->fetch(), "</td>\n";
echo " <td class=\"data1\"> ", $sel3->fetch(), "</td>\n";
echo "</tr>\n";
echo "<tr><th class=\"data\"> {$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 $lang;
// Check that they've given a name and a definition
if ($_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['formFrequency'],
$_POST['formTriggerArgs']
);
if ($status == 0) {
doDefault($lang['strtriggercreated']);
} else {
doCreate($lang['strtriggercreatedbad']);
}
}
}
/**
* List all the triggers on the table
*/
function doDefault($msg = '')
{
global $data, $misc, $database;
global $lang;
function tgPre(&$rowdata, $actions)
{
global $data;
// toggle enable/disable trigger per trigger
if (! $data->phpBool($rowdata->fields["tgenabled"])) {
unset($actions['disable']);
} else {
unset($actions['enable']);
}
return $actions;
}
$misc->printTrail('table');
$misc->printTabs('table', 'triggers');
$misc->printMsg($msg);
$triggers = $data->getTriggers($_REQUEST['table']);
$columns = array(
'trigger' => array(
'title' => $lang['strname'],
'field' => field('tgname'),
),
'definition' => array(
'title' => $lang['strdefinition'],
'field' => field('tgdef'),
),
'function' => array(
'title' => $lang['strfunction'],
'field' => field('proproto'),
'url' => "functions.php?action=properties&server={$_REQUEST['server']}&database={$_REQUEST['database']}&",
'vars' => array(
'schema' => 'pronamespace',
'function' => 'proproto',
'function_oid' => 'prooid',
),
),
'actions' => array(
'title' => $lang['stractions'],
),
);
$actions = array(
'alter' => array(
'content' => $lang['stralter'],
'attr' => array (
'href' => array (
'url' => 'triggers.php',
'urlvars' => array (
'action' => 'confirm_alter',
'table' => $_REQUEST['table'],
'trigger' => field('tgname')
)
)
)
),
'drop' => array(
'content' => $lang['strdrop'],
'attr' => array (
'href' => array (
'url' => 'triggers.php',
'urlvars' => array (
'action' => 'confirm_drop',
'table' => $_REQUEST['table'],
'trigger' => field('tgname')
)
)
)
),
);
if ($data->hasDisableTriggers()) {
$actions['enable'] = array(
'content' => $lang['strenable'],
'attr' => array (
'href' => array (
'url' => 'triggers.php',
'urlvars' => array (
'action' => 'confirm_enable',
'table' => $_REQUEST['table'],
'trigger' => field('tgname')
)
)
)
);
$actions['disable'] = array(
'content' => $lang['strdisable'],
'attr' => array (
'href' => array (
'url' => 'triggers.php',
'urlvars' => array (
'action' => 'confirm_disable',
'table' => $_REQUEST['table'],
'trigger' => field('tgname')
)
)
)
);
}
$misc->printTable($triggers, $columns, $actions, 'triggers-triggers', $lang['strnotriggers'], 'tgPre');
$misc->printNavLinks(array ('create' => array (
'attr' => array (
'href' => array (
'url' => 'triggers.php',
'urlvars' => array (
'action' => 'create',
'server' => $_REQUEST['server'],
'database' => $_REQUEST['database'],
'schema' => $_REQUEST['schema'],
'table' => $_REQUEST['table']
)
)
),
'content' => $lang['strcreatetrigger']
)), 'triggers-triggers', get_defined_vars());
}
function doTree()
{
global $misc, $data;
$triggers = $data->getTriggers($_REQUEST['table']);
$reqvars = $misc->getRequestVars('table');
$attrs = array(
'text' => field('tgname'),
'icon' => 'Trigger',
);
$misc->printTree($triggers, $attrs, 'triggers');
exit;
}
if ($action == 'tree') {
doTree();
}
$misc->printHeader($lang['strtables'] . ' - ' . $_REQUEST['table'] . ' - ' . $lang['strtriggers']);
$misc->printBody();
switch ($action) {
case 'alter':
if (isset($_POST['alter'])) {
doSaveAlter();
} else {
doDefault();
}
break;
case 'confirm_alter':
doAlter();
break;
case 'confirm_enable':
doEnable(true);
break;
case 'confirm_disable':
doDisable(true);
break;
case 'save_create':
if (isset($_POST['cancel'])) {
doDefault();
} else {
doSaveCreate();
}
break;
case 'create':
doCreate();
break;
case 'drop':
if (isset($_POST['yes'])) {
doDrop(false);
} else {
doDefault();
}
break;
case 'confirm_drop':
doDrop(true);
break;
case 'enable':
if (isset($_POST['yes'])) {
doEnable(false);
} else {
doDefault();
}
break;
case 'disable':
if (isset($_POST['yes'])) {
doDisable(false);
} else {
doDefault();
}
break;
default:
doDefault();
break;
}
$misc->printFooter();