ab3c3661c6
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1131 7c3ca157-0c34-0410-bff1-cbf682f78f5c
105 lines
4.5 KiB
PHP
105 lines
4.5 KiB
PHP
<?php
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page_header(lang('Database schema'), "", array(), DB);
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$table_pos = array();
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$table_pos_js = array();
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// saved in one cookie because there is a limit of 20 cookies per domain
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preg_match_all('~([^:]+):([-0-9.]+)x([-0-9.]+)(_|$)~', $_COOKIE["adminer_schema"], $matches, PREG_SET_ORDER); //! ':' in table name
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foreach ($matches as $i => $match) {
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$table_pos[$match[1]] = array($match[2], $match[3]);
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$table_pos_js[] = "\n\t'" . addcslashes($match[1], "\r\n'\\") . "': [ $match[2], $match[3] ]";
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}
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$top = 0;
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$base_left = -1;
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$schema = array(); // table => array("fields" => array(name => field), "pos" => array(top, left), "references" => array(table => array(left => array(source, target))))
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$referenced = array(); // target_table => array(table => array(left => target_column))
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$lefts = array(); // float => bool
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foreach (table_status() as $row) {
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if (!isset($row["Engine"])) { // view
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continue;
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}
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$pos = 0;
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$schema[$row["Name"]]["fields"] = array();
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foreach (fields($row["Name"]) as $name => $field) {
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$pos += 1.25;
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$field["pos"] = $pos;
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$schema[$row["Name"]]["fields"][$name] = $field;
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}
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$schema[$row["Name"]]["pos"] = ($table_pos[$row["Name"]] ? $table_pos[$row["Name"]] : array($top, 0));
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if ($row["Engine"] == "InnoDB") {
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foreach (foreign_keys($row["Name"]) as $val) {
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if (!$val["db"]) {
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$left = $base_left;
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if ($table_pos[$row["Name"]][1] || $table_pos[$row["Name"]][1]) {
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$left = min($table_pos[$row["Name"]][1], $table_pos[$val["table"]][1]) - 1;
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} else {
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$base_left -= .1;
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}
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while ($lefts[(string) $left]) {
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// find free $left
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$left -= .0001;
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}
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$schema[$row["Name"]]["references"][$val["table"]][(string) $left] = array($val["source"], $val["target"]);
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$referenced[$val["table"]][$row["Name"]][(string) $left] = $val["target"];
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$lefts[(string) $left] = true;
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}
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}
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}
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$top = max($top, $schema[$row["Name"]]["pos"][0] + 2.5 + $pos);
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}
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?>
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<div id="schema" style="height: <?php echo $top; ?>em;">
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<script type="text/javascript">
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table_pos = {<?php echo implode(",", $table_pos_js) . "\n"; ?>};
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em = document.getElementById('schema').offsetHeight / <?php echo $top; ?>;
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document.onmousemove = schema_mousemove;
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document.onmouseup = schema_mouseup;
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</script>
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<?php
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foreach ($schema as $name => $table) {
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echo "<div class='table' style='top: " . $table["pos"][0] . "em; left: " . $table["pos"][1] . "em;' onmousedown='schema_mousedown(this, event);'>";
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echo '<a href="' . h(ME) . 'table=' . urlencode($name) . '"><strong>' . h($name) . "</strong></a><br>\n";
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foreach ($table["fields"] as $field) {
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$val = '<span' . type_class($field["type"]) . ' title="' . h($field["full_type"] . ($field["null"] ? " NULL" : '')) . '">' . h($field["field"]) . '</span>';
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echo ($field["primary"] ? "<em>$val</em>" : $val) . "<br>\n";
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}
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foreach ((array) $table["references"] as $target_name => $refs) {
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foreach ($refs as $left => $ref) {
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$left1 = $left - $table_pos[$name][1];
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$i = 0;
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foreach ($ref[0] as $source) {
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echo "<div class='references' title='" . h($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";
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}
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}
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}
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foreach ((array) $referenced[$name] as $target_name => $refs) {
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foreach ($refs as $left => $columns) {
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$left1 = $left - $table_pos[$name][1];
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$i = 0;
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foreach ($columns as $target) {
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echo "<div class='references' title='" . h($target_name) . "' id='refd$left-" . ($i++) . "' style='left: $left1" . "em; top: " . $table["fields"][$target]["pos"] . "em; height: 1.25em; background: url(../adminer/static/arrow.gif) no-repeat right center;'><div style='height: .5em; border-bottom: 1px solid Gray; width: " . (-$left1) . "em;'></div></div>\n";
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}
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}
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}
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echo "</div>\n";
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}
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foreach ($schema as $name => $table) {
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foreach ((array) $table["references"] as $target_name => $refs) {
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foreach ($refs as $left => $ref) {
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$min_pos = $top;
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$max_pos = -10;
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foreach ($ref[0] as $key => $source) {
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$pos1 = $table["pos"][0] + $table["fields"][$source]["pos"];
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$pos2 = $schema[$target_name]["pos"][0] + $schema[$target_name]["fields"][$ref[1][$key]]["pos"];
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$min_pos = min($min_pos, $pos1, $pos2);
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$max_pos = max($max_pos, $pos1, $pos2);
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}
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echo "<div class='references' id='refl$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";
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}
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}
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}
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?>
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</div>
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