Location: PHPKode > scripts > phpPgAdmin > phpPgAdmin-5.1/sequences.php
<?php

	/**
	 * Manage sequences in a database
	 *
	 * $Id: sequences.php,v 1.49 2007/12/15 22:21:54 ioguix Exp $
	 */

	// Include application functions
	include_once('./libraries/lib.inc.php');

	$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
	if (!isset($msg)) $msg = '';

	/**
	 * Display list of all sequences in the database/schema
	 */
	function doDefault($msg = '')	{
		global $data, $conf, $misc;
		global $lang;

		$misc->printTrail('schema');
		$misc->printTabs('schema', 'sequences');
		$misc->printMsg($msg);

		// Get all sequences
		$sequences = $data->getSequences();

		$columns = array(
			'sequence' => array(
				'title' => $lang['strsequence'],
				'field' => field('seqname'),
				'url'   => "sequences.php?action=properties&amp;{$misc->href}&amp;",
				'vars'  => array('sequence' => 'seqname'),
			),
			'owner' => array(
				'title' => $lang['strowner'],
				'field' => field('seqowner'),
			),
			'actions' => array(
				'title' => $lang['stractions'],
			),
			'comment' => array(
				'title' => $lang['strcomment'],
				'field' => field('seqcomment'),
			),
		);

		$actions = array(
			'multiactions' => array(
				'keycols' => array('sequence' => 'seqname'),
				'url' => 'sequences.php',
			),
			'alter' => array(
				'content' => $lang['stralter'],
				'attr'=> array (
					'href' => array (
						'url' => 'sequences.php',
						'urlvars' => array (
							'action' => 'confirm_alter',
							'subject' => 'sequence',
							'sequence' => field('seqname')
						)
					)
				)
			),
			'drop' => array(
				'content' => $lang['strdrop'],
				'attr'=> array (
					'href' => array (
						'url' => 'sequences.php',
						'urlvars' => array (
							'action' => 'confirm_drop',
							'sequence' => field('seqname')
						)
					)
				),
				'multiaction' => 'confirm_drop',
			),
			'privileges' => array(
				'content' => $lang['strprivileges'],
				'attr'=> array (
					'href' => array (
						'url' => 'privileges.php',
						'urlvars' => array (
							'subject' => 'sequence',
							'sequence' => field('seqname')
						)
					)
				)
			),
		);

		$misc->printTable($sequences, $columns, $actions, 'sequences-sequences', $lang['strnosequences']);

		$misc->printNavLinks(array ('create' => array (
				'attr'=> array (
					'href' => array (
						'url' => 'sequences.php',
						'urlvars' => array (
							'action' => 'create',
							'server' => $_REQUEST['server'],
							'database' => $_REQUEST['database'],
							'schema' => $_REQUEST['schema']
						)
					)
				),
				'content' => $lang['strcreatesequence']
			)), 'sequences-sequences', get_defined_vars());
	}

	/**
	 * Generate XML for the browser tree.
	 */
	function doTree() {
		global $misc, $data;

		$sequences = $data->getSequences();

		$reqvars = $misc->getRequestVars('sequence');

		$attrs = array(
			'text'   => field('seqname'),
			'icon'   => 'Sequence',
			'toolTip'=> field('seqcomment'),
			'action' => url('sequences.php',
							$reqvars,
							array (
								'action' => 'properties',
								'sequence' => field('seqname')
							)
						)
		);

		$misc->printTree($sequences, $attrs, 'sequences');
		exit;
	}

	/**
	 * Display the properties of a sequence
	 */
	function doProperties($msg = '') {
		global $data, $misc;
		global $lang;

		$misc->printTrail('sequence');
		$misc->printTitle($lang['strproperties'],'pg.sequence');
		$misc->printMsg($msg);

		// Fetch the sequence information
		$sequence = $data->getSequence($_REQUEST['sequence']);

		if (is_object($sequence) && $sequence->recordCount() > 0) {
			$sequence->fields['is_cycled'] = $data->phpBool($sequence->fields['is_cycled']);
			$sequence->fields['is_called'] = $data->phpBool($sequence->fields['is_called']);

			// Show comment if any
			if ($sequence->fields['seqcomment'] !== null)
				echo "<p class=\"comment\">", $misc->printVal($sequence->fields['seqcomment']), "</p>\n";

			echo "<table border=\"0\">";
			echo "<tr><th class=\"data\">{$lang['strname']}</th>";
			if ($data->hasAlterSequenceStart()) {
				echo "<th class=\"data\">{$lang['strstartvalue']}</th>";
			}
			echo "<th class=\"data\">{$lang['strlastvalue']}</th>";
			echo "<th class=\"data\">{$lang['strincrementby']}</th>";
			echo "<th class=\"data\">{$lang['strmaxvalue']}</th>";
			echo "<th class=\"data\">{$lang['strminvalue']}</th>";
			echo "<th class=\"data\">{$lang['strcachevalue']}</th>";
			echo "<th class=\"data\">{$lang['strlogcount']}</th>";
			echo "<th class=\"data\">{$lang['strcancycle']}</th>";
			echo "<th class=\"data\">{$lang['striscalled']}</th></tr>";
			echo "<tr>";
			echo "<td class=\"data1\">", $misc->printVal($sequence->fields['seqname']), "</td>";
			if ($data->hasAlterSequenceStart()) {
				echo "<td class=\"data1\">", $misc->printVal($sequence->fields['start_value']), "</td>";
			}
			echo "<td class=\"data1\">", $misc->printVal($sequence->fields['last_value']), "</td>";
			echo "<td class=\"data1\">", $misc->printVal($sequence->fields['increment_by']), "</td>";
			echo "<td class=\"data1\">", $misc->printVal($sequence->fields['max_value']), "</td>";
			echo "<td class=\"data1\">", $misc->printVal($sequence->fields['min_value']), "</td>";
			echo "<td class=\"data1\">", $misc->printVal($sequence->fields['cache_value']), "</td>";
			echo "<td class=\"data1\">", $misc->printVal($sequence->fields['log_cnt']), "</td>";
			echo "<td class=\"data1\">", ($sequence->fields['is_cycled'] ? $lang['stryes'] : $lang['strno']), "</td>";
			echo "<td class=\"data1\">", ($sequence->fields['is_called'] ? $lang['stryes'] : $lang['strno']), "</td>";
			echo "</tr>";
			echo "</table>";

			$navlinks = array (
				'alter' => array (
					'attr'=> array (
						'href' => array (
							'url' => 'sequences.php',
							'urlvars' => array (
								'action' => 'confirm_alter',
								'server' => $_REQUEST['server'],
								'database' => $_REQUEST['database'],
								'schema' => $_REQUEST['schema'],
								'sequence' => $sequence->fields['seqname']
							)
						)
					),
					'content' => $lang['stralter']
				),
				'setval' => array (
					'attr'=> array (
						'href' => array (
							'url' => 'sequences.php',
							'urlvars' => array (
								'action' => 'confirm_setval',
								'server' => $_REQUEST['server'],
								'database' => $_REQUEST['database'],
								'schema' => $_REQUEST['schema'],
								'sequence' => $sequence->fields['seqname']
							)
						)
					),
					'content' => $lang['strsetval']
				),
				'nextval' => array (
					'attr'=> array (
						'href' => array (
							'url' => 'sequences.php',
							'urlvars' => array (
								'action' => 'nextval',
								'server' => $_REQUEST['server'],
								'database' => $_REQUEST['database'],
								'schema' => $_REQUEST['schema'],
								'sequence' => $sequence->fields['seqname']
							)
						)
					),
					'content' => $lang['strnextval']
				),
				'restart' => array (
					'attr'=> array (
						'href' => array (
							'url' => 'sequences.php',
							'urlvars' => array (
								'action' => 'restart',
								'server' => $_REQUEST['server'],
								'database' => $_REQUEST['database'],
								'schema' => $_REQUEST['schema'],
								'sequence' => $sequence->fields['seqname']
							)
						)
					),
					'content' => $lang['strrestart']
				),
				'reset' => array (
					'attr'=> array (
						'href' => array (
							'url' => 'sequences.php',
							'urlvars' => array (
								'action' => 'reset',
								'server' => $_REQUEST['server'],
								'database' => $_REQUEST['database'],
								'schema' => $_REQUEST['schema'],
								'sequence' => $sequence->fields['seqname']
							)
						)
					),
					'content' => $lang['strreset']
				),
				'showall' => array (
					'attr'=> array (
						'href' => array (
							'url' => 'sequences.php',
							'urlvars' => array (
								'server' => $_REQUEST['server'],
								'database' => $_REQUEST['database'],
								'schema' => $_REQUEST['schema']
							)
						)
					),
					'content' => $lang['strshowallsequences']
				)
			);

			if (! $data->hasAlterSequenceStart())
				unset($navlinks['restart']);

			$misc->printNavLinks($navlinks, 'sequences-properties', get_defined_vars());
		}
		else echo "<p>{$lang['strnodata']}</p>\n";
	}

	/**
	 * Drop a sequence
	 */
	function doDrop($confirm, $msg = '') {
		global $data, $misc;
		global $lang;

		if (empty($_REQUEST['sequence']) && empty($_REQUEST['ma'])) {
			doDefault($lang['strspecifysequencetodrop']);
			exit();
		}
		
		if ($confirm) {
			$misc->printTrail('sequence');
			$misc->printTitle($lang['strdrop'],'pg.sequence.drop');
			$misc->printMsg($msg);
			
			echo "<form action=\"sequences.php\" method=\"post\">\n";
			
			//If multi drop
			if (isset($_REQUEST['ma'])) {
				foreach($_REQUEST['ma'] as $v) {
					$a = unserialize(htmlspecialchars_decode($v, ENT_QUOTES));
					echo "<p>", sprintf($lang['strconfdropsequence'], $misc->printVal($a['sequence'])), "</p>\n";
					printf('<input type="hidden" name="sequence[]" value="%s" />', htmlspecialchars($a['sequence']));
				}
			} else {
				echo "<p>", sprintf($lang['strconfdropsequence'], $misc->printVal($_REQUEST['sequence'])), "</p>\n";
				echo "<input type=\"hidden\" name=\"sequence\" value=\"", htmlspecialchars($_REQUEST['sequence']), "\" />\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 $misc->form;
			echo "<input type=\"submit\" name=\"drop\" value=\"{$lang['strdrop']}\" />\n";
			echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
			echo "</form>\n";
		}
		else {
			if (is_array($_POST['sequence'])) {
				$msg='';
				$status = $data->beginTransaction();
				if ($status == 0) {
					foreach($_POST['sequence'] as $s) {
						$status = $data->dropSequence($s, isset($_POST['cascade']));
						if ($status == 0)
							$msg.= sprintf('%s: %s<br />', htmlentities($s, ENT_QUOTES, 'UTF-8'), $lang['strsequencedropped']);
						else {
							$data->endTransaction();
							doDefault(sprintf('%s%s: %s<br />', $msg, htmlentities($s, ENT_QUOTES, 'UTF-8'), $lang['strsequencedroppedbad']));
							return;
						}
					}
				}
				if($data->endTransaction() == 0) {
					// Everything went fine, back to the Default page....
					$_reload_browser = true;
					doDefault($msg);
				}
				else doDefault($lang['strsequencedroppedbad']);
			}
			else{
				$status = $data->dropSequence($_POST['sequence'], isset($_POST['cascade']));
				if ($status == 0) {
					$_reload_browser = true;
					doDefault($lang['strsequencedropped']);
				}
				else
					doDrop(true, $lang['strsequencedroppedbad']);
			}
		}
	}

	/**
	 * Displays a screen where they can enter a new sequence
	 */
	function doCreateSequence($msg = '') {
		global $data, $misc;
		global $lang;

		if (!isset($_POST['formSequenceName'])) $_POST['formSequenceName'] = '';
		if (!isset($_POST['formIncrement'])) $_POST['formIncrement'] = '';
		if (!isset($_POST['formMinValue'])) $_POST['formMinValue'] = '';
		if (!isset($_POST['formMaxValue'])) $_POST['formMaxValue'] = '';
		if (!isset($_POST['formStartValue'])) $_POST['formStartValue'] = '';
		if (!isset($_POST['formCacheValue'])) $_POST['formCacheValue'] = '';

		$misc->printTrail('schema');
		$misc->printTitle($lang['strcreatesequence'],'pg.sequence.create');
		$misc->printMsg($msg);

		echo "<form action=\"sequences.php\" method=\"post\">\n";
		echo "<table>\n";

		echo "<tr><th class=\"data left required\">{$lang['strname']}</th>\n";
		echo "<td class=\"data1\"><input name=\"formSequenceName\" size=\"32\" maxlength=\"{$data->_maxNameLen}\" value=\"",
			htmlspecialchars($_POST['formSequenceName']), "\" /></td></tr>\n";

		echo "<tr><th class=\"data left\">{$lang['strincrementby']}</th>\n";
		echo "<td class=\"data1\"><input name=\"formIncrement\" size=\"5\" value=\"",
			htmlspecialchars($_POST['formIncrement']), "\" /> </td></tr>\n";

		echo "<tr><th class=\"data left\">{$lang['strminvalue']}</th>\n";
		echo "<td class=\"data1\"><input name=\"formMinValue\" size=\"5\" value=\"",
			htmlspecialchars($_POST['formMinValue']), "\" /></td></tr>\n";

		echo "<tr><th class=\"data left\">{$lang['strmaxvalue']}</th>\n";
		echo "<td class=\"data1\"><input name=\"formMaxValue\" size=\"5\" value=\"",
			htmlspecialchars($_POST['formMaxValue']), "\" /></td></tr>\n";

		echo "<tr><th class=\"data left\">{$lang['strstartvalue']}</th>\n";
		echo "<td class=\"data1\"><input name=\"formStartValue\" size=\"5\" value=\"",
			htmlspecialchars($_POST['formStartValue']), "\" /></td></tr>\n";

		echo "<tr><th class=\"data left\">{$lang['strcachevalue']}</th>\n";
		echo "<td class=\"data1\"><input name=\"formCacheValue\" size=\"5\" value=\"",
			htmlspecialchars($_POST['formCacheValue']), "\" /></td></tr>\n";

		echo "<tr><th class=\"data left\"><label for=\"formCycledValue\">{$lang['strcancycle']}</label></th>\n";
		echo "<td class=\"data1\"><input type=\"checkbox\" id=\"formCycledValue\" name=\"formCycledValue\" ",
			(isset($_POST['formCycledValue']) ? ' checked="checked"' : ''), " /></td></tr>\n";

		echo "</table>\n";
		echo "<p><input type=\"hidden\" name=\"action\" value=\"save_create_sequence\" />\n";
		echo $misc->form;
		echo "<input type=\"submit\" name=\"create\" value=\"{$lang['strcreate']}\" />\n";
		echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
		echo "</form>\n";
	}

	/**
	 * Actually creates the new sequence in the database
	 */
	function doSaveCreateSequence() {
		global $data;
		global $lang;

		// Check that they've given a name and at least one column
		if ($_POST['formSequenceName'] == '') doCreateSequence($lang['strsequenceneedsname']);
		else {
			$status = $data->createSequence($_POST['formSequenceName'],
				$_POST['formIncrement'], $_POST['formMinValue'],
				$_POST['formMaxValue'], $_POST['formStartValue'],
				$_POST['formCacheValue'], isset($_POST['formCycledValue']));
			if ($status == 0) {
				doDefault($lang['strsequencecreated']);
			} else {
				doCreateSequence($lang['strsequencecreatedbad']);
			}
		}
	}

	/**
	 * Restarts a sequence
	 */
	function doRestart() {
		global $data;
		global $lang;

		$status = $data->restartSequence($_REQUEST['sequence']);
		if ($status == 0)
			doProperties($lang['strsequencerestart']);
		else
			doProperties($lang['strsequencerestartbad']);
	}

	/**
	 * Resets a sequence
	 */
	function doReset() {
		global $data;
		global $lang;

		$status = $data->resetSequence($_REQUEST['sequence']);
		if ($status == 0)
			doProperties($lang['strsequencereset']);
		else
			doProperties($lang['strsequenceresetbad']);
	}

	/**
	 * Set Nextval of a sequence
	 */
	function doNextval() {
		global $data;
		global $lang;

		$status = $data->nextvalSequence($_REQUEST['sequence']);
		if ($status == 0)
			doProperties($lang['strsequencenextval']);
		else
			doProperties($lang['strsequencenextvalbad']);
	}

	/**
	 * Function to save after 'setval'ing a sequence
	 */
	function doSaveSetval() {
		global $data, $lang, $_reload_browser;

		$status = $data->setvalSequence($_POST['sequence'], $_POST['nextvalue']);
		if ($status == 0)
			doProperties($lang['strsequencesetval']);
		else
			doProperties($lang['strsequencesetvalbad']);
	}

	/**
	 * Function to allow 'setval'ing of a sequence
	 */
	function doSetval($msg = '') {
		global $data, $misc;
		global $lang;

		$misc->printTrail('sequence');
		$misc->printTitle($lang['strsetval'], 'pg.sequence');
		$misc->printMsg($msg);

		// Fetch the sequence information
		$sequence = $data->getSequence($_REQUEST['sequence']);

		if (is_object($sequence) && $sequence->recordCount() > 0) {
			echo "<form action=\"sequences.php\" method=\"post\">\n";
			echo "<table border=\"0\">";
			echo "<tr><th class=\"data left required\">{$lang['strlastvalue']}</th>\n";
			echo "<td class=\"data1\">";
			echo "<input name=\"nextvalue\" size=\"32\" maxlength=\"{$data->_maxNameLen}\" value=\"",
				$misc->printVal($sequence->fields['last_value']), "\" /></td></tr>\n";
			echo "</table>\n";
			echo "<p><input type=\"hidden\" name=\"action\" value=\"setval\" />\n";
			echo "<input type=\"hidden\" name=\"sequence\" value=\"", htmlspecialchars($_REQUEST['sequence']), "\" />\n";
			echo $misc->form;
			echo "<input type=\"submit\" name=\"setval\" value=\"{$lang['strsetval']}\" />\n";
			echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
			echo "</form>\n";
		}
		else echo "<p>{$lang['strnodata']}</p>\n";
	}

	/**
	 * Function to save after altering a sequence
	 */
	function doSaveAlter() {
		global $data, $lang, $_reload_browser, $misc;


		if (!isset($_POST['owner'])) $_POST['owner'] = null;
		if (!isset($_POST['newschema'])) $_POST['newschema'] = null;
		if (!isset($_POST['formIncrement'])) $_POST['formIncrement'] = null;
		if (!isset($_POST['formMinValue'])) $_POST['formMinValue'] = null;
		if (!isset($_POST['formMaxValue'])) $_POST['formMaxValue'] = null;
		if (!isset($_POST['formStartValue'])) $_POST['formStartValue'] = null;
		if (!isset($_POST['formRestartValue'])) $_POST['formRestartValue'] = null;
		if (!isset($_POST['formCacheValue'])) $_POST['formCacheValue'] = null;
		if (!isset($_POST['formCycledValue'])) $_POST['formCycledValue'] = null;

		$status = $data->alterSequence($_POST['sequence'], $_POST['name'], $_POST['comment'], $_POST['owner'],
			$_POST['newschema'], $_POST['formIncrement'], $_POST['formMinValue'], $_POST['formMaxValue'],
			$_POST['formRestartValue'], $_POST['formCacheValue'], isset($_POST['formCycledValue']), $_POST['formStartValue']);

		if ($status == 0) {
			if ($_POST['sequence'] != $_POST['name']) {
				// Jump them to the new view name
				$_REQUEST['sequence'] = $_POST['name'];
				// Force a browser reload
				$_reload_browser = true;
			}
			if (!empty($_POST['newschema']) && ($_POST['newschema'] != $data->_schema)) {
				// Jump them to the new sequence schema
				$misc->setCurrentSchema($_POST['newschema']);
				$_reload_browser = true;
			 }
			doProperties($lang['strsequencealtered']);
		}
		else
			doProperties($lang['strsequencealteredbad']);
	}

	/**
	 * Function to allow altering of a sequence
	 */
	function doAlter($msg = '') {
		global $data, $misc;
		global $lang;

		$misc->printTrail('sequence');
		$misc->printTitle($lang['stralter'], 'pg.sequence.alter');
		$misc->printMsg($msg);

		// Fetch the sequence information
		$sequence = $data->getSequence($_REQUEST['sequence']);

		if (is_object($sequence) && $sequence->recordCount() > 0) {
			if (!isset($_POST['name'])) $_POST['name'] = $_REQUEST['sequence'];
			if (!isset($_POST['comment'])) $_POST['comment'] = $sequence->fields['seqcomment'];
			if (!isset($_POST['owner'])) $_POST['owner'] = $sequence->fields['seqowner'];
			if (!isset($_POST['newschema'])) $_POST['newschema'] = $sequence->fields['nspname'];

			// Handle Checkbox Value
			$sequence->fields['is_cycled'] = $data->phpBool($sequence->fields['is_cycled']);
			if ($sequence->fields['is_cycled']) $_POST['formCycledValue'] = 'on';

			echo "<form action=\"sequences.php\" method=\"post\">\n";
			echo "<table>\n";

			echo "<tr><th class=\"data left required\">{$lang['strname']}</th>\n";
			echo "<td class=\"data1\">";
			echo "<input name=\"name\" size=\"32\" maxlength=\"{$data->_maxNameLen}\" value=\"",
				htmlspecialchars($_POST['name']), "\" /></td></tr>\n";

			if ($data->isSuperUser()) {
				// Fetch all users
				$users = $data->getUsers();

				echo "<tr><th class=\"data left required\">{$lang['strowner']}</th>\n";
				echo "<td class=\"data1\"><select name=\"owner\">";
				while (!$users->EOF) {
					$uname = $users->fields['usename'];
					echo "<option value=\"", htmlspecialchars($uname), "\"",
					($uname == $_POST['owner']) ? ' selected="selected"' : '', ">", htmlspecialchars($uname), "</option>\n";
					$users->moveNext();
				}
				echo "</select></td></tr>\n";
			}
			
			if ($data->hasAlterSequenceSchema()) {
				$schemas = $data->getSchemas();
				echo "<tr><th class=\"data left required\">{$lang['strschema']}</th>\n";
				echo "<td class=\"data1\"><select name=\"newschema\">";
				while (!$schemas->EOF) {
					$schema = $schemas->fields['nspname'];
					echo "<option value=\"", htmlspecialchars($schema), "\"",
						($schema == $_POST['newschema']) ? ' selected="selected"' : '', ">", htmlspecialchars($schema), "</option>\n";
					$schemas->moveNext();
				}
			    echo "</select></td></tr>\n";
			}

			echo "<tr><th class=\"data left\">{$lang['strcomment']}</th>\n";
			echo "<td class=\"data1\">";
			echo "<textarea rows=\"3\" cols=\"32\" name=\"comment\">",
				htmlspecialchars($_POST['comment']), "</textarea></td></tr>\n";

			if ($data->hasAlterSequenceStart()) {
				echo "<tr><th class=\"data left\">{$lang['strstartvalue']}</th>\n";
				echo "<td class=\"data1\"><input name=\"formStartValue\" size=\"5\" value=\"",
					htmlspecialchars($sequence->fields['start_value']), "\" /></td></tr>\n";
			}

			echo "<tr><th class=\"data left\">{$lang['strrestartvalue']}</th>\n";
			echo "<td class=\"data1\"><input name=\"formRestartValue\" size=\"5\" value=\"",
				htmlspecialchars($sequence->fields['last_value']), "\" /></td></tr>\n";

			echo "<tr><th class=\"data left\">{$lang['strincrementby']}</th>\n";
			echo "<td class=\"data1\"><input name=\"formIncrement\" size=\"5\" value=\"",
				htmlspecialchars($sequence->fields['increment_by']), "\" /> </td></tr>\n";

			echo "<tr><th class=\"data left\">{$lang['strmaxvalue']}</th>\n";
			echo "<td class=\"data1\"><input name=\"formMaxValue\" size=\"5\" value=\"",
				htmlspecialchars($sequence->fields['max_value']), "\" /></td></tr>\n";

			echo "<tr><th class=\"data left\">{$lang['strminvalue']}</th>\n";
			echo "<td class=\"data1\"><input name=\"formMinValue\" size=\"5\" value=\"",
				htmlspecialchars($sequence->fields['min_value']), "\" /></td></tr>\n";

			echo "<tr><th class=\"data left\">{$lang['strcachevalue']}</th>\n";
			echo "<td class=\"data1\"><input name=\"formCacheValue\" size=\"5\" value=\"",
				htmlspecialchars($sequence->fields['cache_value']), "\" /></td></tr>\n";

			echo "<tr><th class=\"data left\"><label for=\"formCycledValue\">{$lang['strcancycle']}</label></th>\n";
			echo "<td class=\"data1\"><input type=\"checkbox\" id=\"formCycledValue\" name=\"formCycledValue\" ",
				( isset($_POST['formCycledValue']) ? ' checked="checked"' : ''), " /></td></tr>\n";

			echo "</table>\n";
			echo "<p><input type=\"hidden\" name=\"action\" value=\"alter\" />\n";
			echo $misc->form;
			echo "<input type=\"hidden\" name=\"sequence\" value=\"", htmlspecialchars($_REQUEST['sequence']), "\" />\n";
			echo "<input type=\"submit\" name=\"alter\" value=\"{$lang['stralter']}\" />\n";
			echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
			echo "</form>\n";
		}
		else echo "<p>{$lang['strnodata']}</p>\n";
	}

	if ($action == 'tree') doTree();

	// Print header
	$misc->printHeader($lang['strsequences']);
	$misc->printBody();

	switch($action) {
		case 'create':
			doCreateSequence();
			break;
		case 'save_create_sequence':
			if (isset($_POST['create'])) doSaveCreateSequence();
			else doDefault();
			break;
		case 'properties':
			doProperties();
			break;
		case 'drop':
			if (isset($_POST['drop'])) doDrop(false);
			else doDefault();
			break;
		case 'confirm_drop':
			doDrop(true);
			break;
		case 'restart':
			doRestart();
			break;
		case 'reset':
			doReset();
			break;
		case 'nextval':
			doNextval();
			break;
		case 'setval':
			if (isset($_POST['setval'])) doSaveSetval();
			else doDefault();
			break;
		case 'confirm_setval':
			doSetval();
			break;
		case 'alter':
			if (isset($_POST['alter'])) doSaveAlter();
			else doDefault();
			break;
		case 'confirm_alter':
			doAlter();
			break;
		default:
			doDefault();
			break;
	}

	// Print footer
	$misc->printFooter();

?>
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