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<?php
// File views.inc.php / ibWebAdmin
// Purpose functions working with views, included from accessories.php
// Author Lutz Brueckner <irie@gmx.de>
// Copyright (c) 2000, 2001, 2002, 2003 by Lutz Brueckner,
// published under the terms of the GNU General Public Licence v.2,
// see file LICENCE for details
// Created <03/01/13 20:52:58 lb>
//
// $Id: views.inc.php,v 1.8 2003/11/06 22:13:15 lbrueckner Exp $
//
// create a view from the values in viewdefs array
//
function create_view($viewdefs) {
global $dbhandle;
global $ib_error, $lsql;
$lsql = $viewdefs['source'];
if ($viewdefs['check'] == 'yes') {
$lsql .= "\nWITH CHECK OPTION";
}
if (DEBUG) add_debug('lsql', __FILE__, __LINE__);
if (!@ibase_query($dbhandle, $lsql)) {
$ib_error = ibase_errmsg();
}
return (empty($ib_error)) ? get_viewname($viewdefs['source']) : FALSE;
}
//
// drop the view $name off the database
//
function drop_view($name) {
global $dbhandle, $s_tables;
global $ib_error, $lsql;
$lsql = 'DROP VIEW '.$name;
if (DEBUG) add_debug('lsql', __FILE__, __LINE__);
if (!@ibase_query($dbhandle, $lsql)) {
$ib_error = ibase_errmsg();
return FALSE;
}
else {
unset($s_tables[$name]);
return TRUE;
}
}
//
// return the html for the form elements to create or alter a view
//
function view_definition($title, $viewdefs) {
global $acc_strings, $s_cust;
$html = <<<EOT
<table border cellpadding="3" cellspacing="0">
<tr>
<th align="left">$title</th>
</tr>
<tr>
<td>
<b>${acc_strings['Source']}</b><br>
<textarea name="def_view_source" rows="%1\$d" cols="%2\$d" wrap="virtual">${viewdefs['source']}</textarea>
</td>
</tr>
<tr>
<td>
<input type="checkbox" name="def_view_check" value="yes"%3\$s>${acc_strings['CheckOpt']}
</td>
</tr>
</table>
EOT;
return sprintf($html,
$s_cust['textarea']['rows'],
$s_cust['textarea']['cols'],
($viewdefs['check'] == 'yes' ? ' checked' : '')
);
}
//
// find the name of a view in its source code
//
function get_viewname($viewsource) {
$chunks = preg_split("/[\s]+/", $viewsource, 4);
return $chunks[2];
}
//
// deliver the html for an opened view on the views panel
//
function &get_opened_view($name, $title, $url) {
global $dbhandle, $s_fields, $red_triangle_icon, $tb_strings, $acc_strings, $ptitle_strings;
$source = get_view_source($name);
$html = <<<EOT
<nobr>
<a href="$url"><img src="$red_triangle_icon" alt="${ptitle_strings['Close']}" title="${ptitle_strings['Close']}" border="0" hspace="7"></a><b>$title</b>
</nobr>
<nobr>
<table>
<tr>
<td width="26">
</td>
<td valign="top">
<table border cellpadding="0" cellspacing="0">
<tr>
EOT;
$cols = array('Name', 'Type', 'Length', 'Prec', 'Scale', 'Charset', 'Collate');
$html .= " <tr align=\"left\">\n";
foreach ($cols as $idx) {
$html .= ' <th class="detail"><nobr>'.$tb_strings[$idx]."</nobr></th>\n";
}
$html .= " </tr>\n";
foreach ($s_fields as $field) {
if ($field['table'] <> $name) {
continue;
}
$size_str = ($field['type'] == 'VARCHAR' || $field['type'] == 'CHARACTER') ? $field['size'] : ' ';
$prec_str = (isset($field['prec'])) ? $field['prec'] : ' ';
$scale_str= (isset($field['scale'])) ? $field['scale'] : ' ';
$char_str = (isset($field['charset'])) ? $field['charset'] : ' ';
$coll_str = (isset($field['collate'])) ? $field['collate'] : ' ';
$html .= " <tr>
<td class=\"detail\">${field['name']}</td>
<td class=\"detail\">${field['type']}</td>
<td align=\"right\" class=\"detail\">$size_str</td>
<td align=\"right\" class=\"detail\">$prec_str</td>
<td align=\"right\" class=\"detail\">$scale_str</td>
<td class=\"detail\">$char_str</td>
<td class=\"detail\">$coll_str</td>
</tr>\n";
}
$html .= " </table>\n </td>\n";
$html .= " <td> </td>\n"
." <td valign=\"top\">\n"
." <table border cellpadding=\"0\" cellspacing=\"0\">\n"
." <tr align=\"left\">\n"
.' <th class="detail">'.$acc_strings['Source']."</th>\n"
." </tr>\n"
." <tr>\n"
.' <td class="detail"><pre>'.$source."</pre></td>\n"
." </tr>\n"
." </table>\n"
." </tr>\n"
." </td>\n"
." </table>\n"
." </nobr>\n";
return $html;
}
//
// return the sourcecode of the definition for $view
//
function get_view_source($name) {
global $dbhandle;
$vsource = '';
$sql = 'SELECT R.RDB$VIEW_SOURCE VSOURCE'
.' FROM RDB$RELATIONS R'
." WHERE R.RDB\$RELATION_NAME='".$name."'";
$res = ibase_query($dbhandle, $sql) or ib_error(__FILE__, __LINE__, $sql);
$obj = @ibase_fetch_object($res);
if (is_object($obj)) {
$bid = ibase_blob_open($obj->VSOURCE);
$arr = ibase_blob_info($obj->VSOURCE);
// $arr[0] holds the blob length
$vsource = trim(ibase_blob_get($bid, $arr[0]));
ibase_blob_close($bid);
}
ibase_free_result($res);
return $vsource;
}
//
// mark all views as opened or closed in $s_tables
//
function &toggle_all_views(&$tables, $status) {
foreach (array_keys($tables) as $name) {
if ($tables[$name]['is_view']) {
$tables[$name]['status'] = $status;
}
}
return $tables;
}
?>
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