Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

114 lines (110 sloc) 4.713 kb
<?php
page_header(lang('Database schema'), "", array(), $_GET["db"]);
$table_pos = array();
$table_pos_js = array();
preg_match_all('~([^:]+):([-0-9.]+)x([-0-9.]+)(_|$)~', $_COOKIE["schema"], $matches, PREG_SET_ORDER); //! ':' in table name
foreach ($matches as $i => $match) {
$table_pos[$match[1]] = array($match[2], $match[3]);
$table_pos_js[] = "\n\t'" . addcslashes($match[1], "\r\n'\\") . "': [ $match[2], $match[3] ]";
}
$top = 0;
$base_left = -1;
$schema = array();
$referenced = array();
$lefts = array();
$result = $dbh->query("SHOW TABLE STATUS");
while ($row = $result->fetch_assoc()) {
if (!isset($row["Engine"])) { // view
continue;
}
$pos = 0;
$schema[$row["Name"]]["fields"] = array();
foreach (fields($row["Name"]) as $name => $field) {
$pos += 1.25;
$field["pos"] = $pos;
$schema[$row["Name"]]["fields"][$name] = $field;
}
$schema[$row["Name"]]["pos"] = ($table_pos[$row["Name"]] ? $table_pos[$row["Name"]] : array($top, 0));
if ($row["Engine"] == "InnoDB") {
foreach (foreign_keys($row["Name"]) as $val) {
if (!$val["db"]) {
$left = $base_left;
if ($table_pos[$row["Name"]][1] || $table_pos[$row["Name"]][1]) {
$left = min($table_pos[$row["Name"]][1], $table_pos[$val["table"]][1]) - 1;
} else {
$base_left -= .1;
}
while ($lefts[(string) $left]) {
$left -= .0001;
}
$schema[$row["Name"]]["references"][$val["table"]][(string) $left] = array($val["source"], $val["target"]);
$referenced[$val["table"]][$row["Name"]][(string) $left] = $val["target"];
$lefts[(string) $left] = true;
}
}
}
$top = max($top, $schema[$row["Name"]]["pos"][0] + 2.5 + $pos);
}
$result->free();
?>
<div id="schema" style="height: <?php echo $top; ?>em;">
<script type="text/javascript">
table_pos = {<?php echo implode(",", $table_pos_js) . "\n"; ?>};
em = document.getElementById('schema').offsetHeight / <?php echo $top; ?>;
document.onmousemove = schema_mousemove;
document.onmouseup = schema_mouseup;
</script>
<?php
foreach ($schema as $name => $table) {
echo "<div class='table' style='top: " . $table["pos"][0] . "em; left: " . $table["pos"][1] . "em;' onmousedown='schema_mousedown(this, event);'>";
echo '<a href="' . htmlspecialchars($SELF) . 'table=' . urlencode($name) . '"><strong>' . htmlspecialchars($name) . "</strong></a><br />\n";
foreach ($table["fields"] as $field) {
$val = htmlspecialchars($field["field"]);
if (preg_match('~char|text~', $field["type"])) {
$val = "<span class='char'>$val</span>";
} elseif (preg_match('~date|time|year~', $field["type"])) {
$val = "<span class='date'>$val</span>";
} elseif (preg_match('~binary|blob~', $field["type"])) {
$val = "<span class='binary'>$val</span>";
} elseif (preg_match('~enum|set~', $field["type"])) {
$val = "<span class='enum'>$val</span>";
}
echo ($field["primary"] ? "<em>$val</em>" : $val) . "<br />\n";
}
foreach ((array) $table["references"] as $target_name => $refs) {
foreach ($refs as $left => $ref) {
$left1 = $left - $table_pos[$name][1];
$i = 0;
foreach ($ref[0] as $source) {
echo '<div class="references" title="' . htmlspecialchars($target_name) . "\" id='refs$left-" . ($i++) . "' style='left: $left1" . "em; top: " . $table["fields"][$source]["pos"] . "em; padding-top: .5em;'><div style='border-top: 1px solid Gray; width: " . (-$left1) . "em;'></div></div>\n";
}
}
}
foreach ((array) $referenced[$name] as $target_name => $refs) {
foreach ($refs as $left => $columns) {
$left1 = $left - $table_pos[$name][1];
$i = 0;
foreach ($columns as $target) {
echo '<div class="references" title="' . htmlspecialchars($target_name) . "\" id='refd$left-" . ($i++) . "' style='left: $left1" . "em; top: " . $table["fields"][$target]["pos"] . "em; height: 1.25em; background: url(arrow.gif) no-repeat right center;'><div style='height: .5em; border-bottom: 1px solid Gray; width: " . (-$left1) . "em;'></div></div>\n";
}
}
}
echo "</div>\n";
}
foreach ($schema as $name => $table) {
foreach ((array) $table["references"] as $target_name => $refs) {
foreach ($refs as $left => $ref) {
$min_pos = $top;
$max_pos = -10;
foreach ($ref[0] as $key => $source) {
$pos1 = $table["pos"][0] + $table["fields"][$source]["pos"];
$pos2 = $schema[$target_name]["pos"][0] + $schema[$target_name]["fields"][$ref[1][$key]]["pos"];
$min_pos = min($min_pos, $pos1, $pos2);
$max_pos = max($max_pos, $pos1, $pos2);
}
echo "<div class='references' id='refl$left' style='left: $left" . "em; top: $min_pos" . "em; padding: .5em 0;' /><div style='border-right: 1px solid Gray; margin-top: 1px; height: " . ($max_pos - $min_pos) . "em;'></div></div>\n";
}
}
}
?>
</div>
Jump to Line
Something went wrong with that request. Please try again.