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6daefa8c
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Petr Lukašík
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<?php
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/**
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* List triggers on a table
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*
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* $Id: triggers.php,v 1.28 2005/10/18 03:45:16 chriskl Exp $
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*/
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// Include application functions
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include_once('./libraries/lib.inc.php');
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include_once('./classes/class.select.php');
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$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
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$PHP_SELF = $_SERVER['PHP_SELF'];
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/**
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* Function to save after altering a trigger
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*/
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function doSaveAlter() {
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global $data, $lang;
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$status = $data->alterTrigger($_POST['table'], $_POST['trigger'], $_POST['name']);
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if ($status == 0)
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doDefault($lang['strtriggeraltered']);
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else
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doAlter($lang['strtriggeralteredbad']);
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}
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/**
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* Function to allow altering of a trigger
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*/
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function doAlter($msg = '') {
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global $data, $misc;
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global $PHP_SELF, $lang;
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$misc->printTrail('trigger');
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$misc->printTitle($lang['stralter'],'pg.trigger.alter');
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$misc->printMsg($msg);
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$triggerdata = $data->getTrigger($_REQUEST['table'], $_REQUEST['trigger']);
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if ($triggerdata->recordCount() > 0) {
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if (!isset($_POST['name'])) $_POST['name'] = $triggerdata->f['tgname'];
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echo "<form action=\"$PHP_SELF\" method=\"post\">\n";
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echo "<table>\n";
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echo "<tr><th class=\"data\">{$lang['strname']}</th>\n";
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echo "<td class=\"data1\">";
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echo "<input name=\"name\" size=\"32\" maxlength=\"{$data->_maxNameLen}\" value=\"",
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htmlspecialchars($_POST['name']), "\" />\n";
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echo "</table>\n";
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echo "<p><input type=\"hidden\" name=\"action\" value=\"alter\" />\n";
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echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
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echo "<input type=\"hidden\" name=\"trigger\" value=\"", htmlspecialchars($_REQUEST['trigger']), "\" />\n";
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echo $misc->form;
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echo "<input type=\"submit\" name=\"alter\" value=\"{$lang['strok']}\" />\n";
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echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
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echo "</form>\n";
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}
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else echo "<p>{$lang['strnodata']}</p>\n";
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}
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/**
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* Show confirmation of drop and perform actual drop
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*/
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function doDrop($confirm) {
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global $data, $misc;
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global $PHP_SELF, $lang;
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if ($confirm) {
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$misc->printTrail('trigger');
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$misc->printTitle($lang['strdrop'],'pg.trigger.drop');
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echo "<p>", sprintf($lang['strconfdroptrigger'], $misc->printVal($_REQUEST['trigger']),
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$misc->printVal($_REQUEST['table'])), "</p>\n";
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echo "<form action=\"$PHP_SELF\" method=\"post\">\n";
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echo "<input type=\"hidden\" name=\"action\" value=\"drop\" />\n";
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echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
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echo "<input type=\"hidden\" name=\"trigger\" value=\"", htmlspecialchars($_REQUEST['trigger']), "\" />\n";
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echo $misc->form;
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// Show cascade drop option if supportd
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if ($data->hasDropBehavior()) {
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echo "<p><input type=\"checkbox\" name=\"cascade\" /> {$lang['strcascade']}</p>\n";
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}
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echo "<input type=\"submit\" name=\"yes\" value=\"{$lang['stryes']}\" />\n";
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echo "<input type=\"submit\" name=\"no\" value=\"{$lang['strno']}\" />\n";
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echo "</form>\n";
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}
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else {
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$status = $data->dropTrigger($_POST['trigger'], $_POST['table'], isset($_POST['cascade']));
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if ($status == 0)
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doDefault($lang['strtriggerdropped']);
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else
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doDefault($lang['strtriggerdroppedbad']);
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}
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}
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/**
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* Let them create s.th.
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*/
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function doCreate($msg = '') {
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global $data, $misc;
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global $PHP_SELF, $lang;
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$misc->printTrail('table');
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$misc->printTitle($lang['strcreatetrigger'],'pg.trigger.create');
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$misc->printMsg($msg);
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// Get all the functions that can be used in triggers
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$funcs = $data->getTriggerFunctions();
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if ($funcs->recordCount() == 0) {
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doDefault($lang['strnofunctions']);
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return;
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}
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/* Populate functions */
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$sel0 = new XHTML_Select('formFunction');
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while (!$funcs->EOF) {
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$sel0->add(new XHTML_Option($funcs->f['proname']));
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$funcs->moveNext();
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}
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/* Populate times */
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$sel1 = new XHTML_Select('formExecTime');
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$sel1->set_data($data->triggerExecTimes);
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/* Populate events */
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$sel2 = new XHTML_Select('formEvent');
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$sel2->set_data($data->triggerEvents);
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/* Populate occurences */
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$sel3 = new XHTML_Select('formFrequency');
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$sel3->set_data($data->triggerFrequency);
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echo "<form action=\"$PHP_SELF\" method=\"POST\">\n";
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echo "<table>\n";
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echo "<tr>\n";
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echo " <th class=\"data\">{$lang['strname']}</th>\n";
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echo " <th class=\"data\">{$lang['strwhen']}</th>\n";
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echo "</tr>\n";
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echo "<tr>\n";
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echo " <td class=\"data1\"> <input type=\"text\" name=\"formTriggerName\" size=\"32\" /></td>\n";
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echo " <td class=\"data1\"> ", $sel1->fetch(), "</td>\n";
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echo "</tr>\n";
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echo "<tr>\n";
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echo " <th class=\"data\">{$lang['strevent']}</th>\n";
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echo " <th class=\"data\">{$lang['strforeach']}</th>\n";
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echo "</tr>\n";
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echo "<tr>\n";
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echo " <td class=\"data1\"> ", $sel2->fetch(), "</td>\n";
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echo " <td class=\"data1\"> ", $sel3->fetch(), "</td>\n";
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echo "</tr>\n";
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echo "<tr><th class=\"data\"> {$lang['strfunction']}</th>\n";
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echo "<th class=\"data\"> {$lang['strarguments']}</th></tr>\n";
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echo "<tr><td class=\"data1\">", $sel0->fetch(), "</td>\n";
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echo "<td class=\"data1\">(<input type=\"text\" name=\"formTriggerArgs\" size=\"32\" />)</td>\n";
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echo "</tr></table>\n";
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echo "<p><input type=\"submit\" value=\"{$lang['strcreate']}\" />\n";
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echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
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echo "<input type=\"hidden\" name=\"action\" value=\"save_create\" />\n";
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echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
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echo $misc->form;
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echo "</form>\n";
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}
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/**
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* Actually creates the new trigger in the database
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*/
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function doSaveCreate() {
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global $data;
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global $PHP_SELF, $lang;
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// Check that they've given a name and a definition
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if ($_POST['formFunction'] == '')
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doCreate($lang['strtriggerneedsfunc']);
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elseif ($_POST['formTriggerName'] == '')
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doCreate($lang['strtriggerneedsname']);
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elseif ($_POST['formEvent'] == '')
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doCreate();
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else {
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$status = $data->createTrigger($_POST['formTriggerName'], $_POST['table'],
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$_POST['formFunction'], $_POST['formExecTime'], $_POST['formEvent'],
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$_POST['formFrequency'], $_POST['formTriggerArgs']);
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if ($status == 0)
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doDefault($lang['strtriggercreated']);
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else
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doCreate($lang['strtriggercreatedbad']);
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}
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}
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/**
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* List all the triggers on the table
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*/
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function doDefault($msg = '') {
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global $data, $misc, $database;
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global $PHP_SELF;
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global $lang;
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function tgPre(&$rowdata) {
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global $data, $lang;
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// Nasty hack to support pre-7.4 PostgreSQL
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$rowdata->f['+tgdef'] = $rowdata->f['tgdef'] !== null
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? $rowdata->f['tgdef']
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: $data->getTriggerDef($rowdata->f);
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}
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$misc->printTrail('table');
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$misc->printTabs('table','triggers');
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$misc->printMsg($msg);
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$triggers = $data->getTriggers($_REQUEST['table']);
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$columns = array(
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'trigger' => array(
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'title' => $lang['strname'],
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'field' => 'tgname',
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),
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'definition' => array(
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'title' => $lang['strdefinition'],
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'field' => '+tgdef',
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),
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'actions' => array(
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'title' => $lang['stractions'],
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),
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);
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$actions = array(
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'alter' => array(
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'title' => $lang['stralter'],
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'url' => "{$PHP_SELF}?action=confirm_alter&{$misc->href}&table=".urlencode($_REQUEST['table'])."&",
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'vars' => array('trigger' => 'tgname'),
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),
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'drop' => array(
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'title' => $lang['strdrop'],
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'url' => "{$PHP_SELF}?action=confirm_drop&{$misc->href}&table=".urlencode($_REQUEST['table'])."&",
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'vars' => array('trigger' => 'tgname'),
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),
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);
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if (!$data->hasAlterTrigger()) unset($actions['alter']);
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$misc->printTable($triggers, $columns, $actions, $lang['strnotriggers'], 'tgPre');
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echo "<p><a class=\"navlink\" href=\"$PHP_SELF?action=create&{$misc->href}&table=", urlencode($_REQUEST['table']), "\">{$lang['strcreatetrigger']}</a></p>\n";
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}
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$misc->printHeader($lang['strtables'] . ' - ' . $_REQUEST['table'] . ' - ' . $lang['strtriggers']);
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$misc->printBody();
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switch ($action) {
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case 'alter':
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if (isset($_POST['alter'])) doSaveAlter();
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else doDefault();
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break;
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case 'confirm_alter':
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doAlter();
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break;
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case 'save_create':
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if (isset($_POST['cancel'])) doDefault();
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else doSaveCreate();
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break;
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case 'create':
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doCreate();
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break;
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case 'drop':
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if (isset($_POST['yes'])) doDrop(false);
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else doDefault();
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break;
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case 'confirm_drop':
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doDrop(true);
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break;
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default:
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doDefault();
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break;
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}
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$misc->printFooter();
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?>
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