Autohide column context menu in select

adminer/select.inc.php

@@ -274,11 +274,14 @@ if (!$columns) {
 						$rank++;
 						$names[$key] = $name;
 						$href = remove_from_uri('(order|desc)[^=]*|page') . '&order%5B0%5D=' . urlencode($key);
-						echo '<th><a href="' . h($href) . '">' . (!$select || $val ? apply_sql_function($val["fun"], $name) : h(current($select))) . "</a>"; //! columns looking like functions
+						echo '<th onmouseover="columnMouse(this);" onmouseout="columnMouse(this, \' hidden\');">';
+						echo '<a href="' . h($href) . '">' . (!$select || $val ? apply_sql_function($val["fun"], $name) : h(current($select))) . "</a>"; //! columns looking like functions
+						echo "<span class='column hidden'>";
 						echo "<a href='" . h("$href&desc%5B0%5D=1") . "' title='" . lang('descending') . "' class='text'> ↓</a>";
 						if (!$val["fun"]) {
 							echo '<a href="#fieldset-search" onclick="selectSearch(\'' . h(js_escape($key)) . '\'); return false;" title="' . lang('Search') . '" class="text jsonly"> =</a>';
 						}
+						echo "</span>";
 					}
 					$functions[$key] = $val["fun"];
 					next($select);

adminer/static/default.css

@@ -23,6 +23,7 @@ pre { margin: 1em 0 0; }
 input[type=image] { vertical-align: middle; }
 .version { color: #777; font-size: 67%; }
 .js .hidden, .nojs .jsonly { display: none; }
+.js .column { position: absolute; background: #ddf; padding: .3em 1ex .3em 0; margin-top: -.3em; }
 .nowrap td, .nowrap th, td.nowrap { white-space: pre; }
 .wrap td { white-space: normal; }
 .error { color: red; background: #fee; }

adminer/static/functions.js

@@ -278,6 +278,21 @@ function selectFieldChange(form) {
 
 
 
+/** Toggles column context menu
+ * @param HTMLElement
+ * @param [string] extra class name
+ */
+function columnMouse(el, className) {
+	var spans = el.getElementsByTagName('span');
+	for (var i=0; i < spans.length; i++) {
+		if (/column/.test(spans[i].className)) {
+			spans[i].className = 'column' + (className || '');
+		}
+	}
+}
+
+
+
 /** Fill column in search field
  * @param string
  */

changes.txt

@@ -1,5 +1,6 @@
 Adminer 3.4.1-dev:
 Links for column search in select
+Autohide column context menu in select
 Display assigned auto_increment after clone
 SQLite: Full alter table
 SQLite: Better editing in tables without primary key