111 lines
4.8 KiB
PHP
111 lines
4.8 KiB
PHP
<?php
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page_header(lang('Database schema'), "", array(), h(DB . ($_GET["ns"] ? ".$_GET[ns]" : "")));
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$table_pos = array();
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$table_pos_js = array();
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$SCHEMA = ($_GET["schema"] ? $_GET["schema"] : $_COOKIE["adminer_schema-" . str_replace(".", "_", DB)]); // $_COOKIE["adminer_schema"] was used before 3.2.0 //! ':' in table name
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preg_match_all('~([^:]+):([-0-9.]+)x([-0-9.]+)(_|$)~', $SCHEMA, $matches, PREG_SET_ORDER);
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foreach ($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'" . js_escape($match[1]) . "': [ $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('', true) as $table => $table_status) {
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if (is_view($table_status)) {
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continue;
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}
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$pos = 0;
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$schema[$table]["fields"] = array();
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foreach (fields($table) as $name => $field) {
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$pos += 1.25;
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$field["pos"] = $pos;
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$schema[$table]["fields"][$name] = $field;
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}
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$schema[$table]["pos"] = ($table_pos[$table] ? $table_pos[$table] : array($top, 0));
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foreach ($adminer->foreignKeys($table) as $val) {
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if (!$val["db"]) {
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$left = $base_left;
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if ($table_pos[$table][1] || $table_pos[$val["table"]][1]) {
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$left = min(floatval($table_pos[$table][1]), floatval($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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$schema[$table]["references"][$val["table"]][(string) $left] = array($val["source"], $val["target"]);
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$referenced[$val["table"]][$table][(string) $left] = $val["target"];
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$lefts[(string) $left] = true;
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}
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}
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$top = max($top, $schema[$table]["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<?php echo nonce(); ?>>
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qs('#schema').onselectstart = function () { return false; };
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var tablePos = {<?php echo implode(",", $table_pos_js) . "\n"; ?>};
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var em = qs('#schema').offsetHeight / <?php echo $top; ?>;
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document.onmousemove = schemaMousemove;
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document.onmouseup = partialArg(schemaMouseup, '<?php echo js_escape(DB); ?>');
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</script>
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<?php
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foreach ($schema as $name => $table) {
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echo "<div class='table' style='top: " . $table["pos"][0] . "em; left: " . $table["pos"][1] . "em;'>";
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echo '<a href="' . h(ME) . 'table=' . urlencode($name) . '"><b>' . h($name) . "</b></a>";
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echo script("qsl('div').onmousedown = schemaMousedown;");
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foreach ($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 "<br>" . ($field["primary"] ? "<i>$val</i>" : $val);
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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 $source) {
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echo "\n<div class='references' title='" . h($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>";
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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 $target) {
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echo "\n<div class='references' title='" . h($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: " . (-$left1) . "em;'></div></div>";
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}
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}
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}
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echo "\n</div>\n";
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}
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foreach ($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 - $min_pos) . "em;'></div></div>\n";
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}
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}
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}
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?>
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</div>
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<p class="links"><a href="<?php echo h(ME . "schema=" . urlencode($SCHEMA)); ?>" id="schema-link"><?php echo lang('Permanent link'); ?></a>
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