Autocomplete for big foreign keys

adminer/include/version.inc.php

@@ -1,2 +1,2 @@
 <?php
-$VERSION = "3.2.3-dev";
+$VERSION = "3.3.0-dev";

changes.txt

@@ -1,3 +1,9 @@
+Adminer 3.3.0-dev:
+Append new index with auto index selection (bug #3282127)
+Autocomplete for big foreign keys (Editor)
+Customizable favicon (customization)
+Method name can return a link (customization)
+
 Adminer 3.2.2 (released 2011-03-28):
 Fix AJAX history after reload
 

editor/include/adminer.inc.php

@@ -210,7 +210,7 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 		}
 		foreach ($columns as $name => $desc) {
 			$options = $this->_foreignKeyOptions($_GET["select"], $name);
-			if ($options) {
+			if (is_array($options)) {
 				if ($fields[$name]["null"]) {
 					$options[0] = '(' . lang('empty') . ')';
 				}
@@ -423,9 +423,12 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 				. enum_input("radio", $attrs, $field, ($value || isset($_GET["select"]) ? $value : 0), ($field["null"] ? "" : null))
 			;
 		}
-		$options = $this->_foreignKeyOptions($table, $field["field"]);
-		if ($options) {
-			return "<select$attrs>" . optionlist($options, $value, true) . "</select>";
+		$options = $this->_foreignKeyOptions($table, $field["field"], $value);
+		if (isset($options)) {
+			return (is_array($options)
+				? "<select$attrs>" . optionlist($options, $value, true) . "</select>"
+				:  "<input value='" . h($value) . "'$attrs class='hidden'><input value='" . h($options) . "' class='jsonly' onkeyup=\"whisper('" . h(ME . "script=complete&source=" . urlencode($table) . "&field=" . urlencode($field["field"])) . "&value=', this);\"><div onclick='return whisperClick(event, this.previousSibling);'></div>"
+			);
 		}
 		if (like_bool($field)) {
 			return '<input type="checkbox" value="' . h($value ? $value : 1) . '"' . ($value ? ' checked' : '') . "$attrs>";
@@ -563,12 +566,16 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 		}
 	}
 	
-	function _foreignKeyOptions($table, $column) {
+	function _foreignKeyOptions($table, $column, $value = null) {
+		global $connection;
 		if (list($table, $id, $name) = $this->_foreignColumn(column_foreign_keys($table), $column)) {
 			$return = &$this->_values[$table];
 			if (!isset($return)) {
 				$table_status = table_status($table);
-				$return = ($table_status["Rows"] > 1000 ? array() : array("" => "") + get_key_vals("SELECT $id, $name FROM " . table($table) . " ORDER BY 2"));
+				$return = ($table_status["Rows"] > 1000
+					? (isset($value) ? $connection->result("SELECT $name FROM " . table($table) . " WHERE $id = " . q($value)) : "")
+					: array("" => "") + get_key_vals("SELECT $id, $name FROM " . table($table) . " ORDER BY 2")
+				);
 			}
 			return $return;
 		}

editor/index.php

@@ -19,6 +19,8 @@ if (isset($_GET["download"])) {
 	include "../adminer/edit.inc.php";
 } elseif (isset($_GET["select"])) {
 	include "../adminer/select.inc.php";
+} elseif (isset($_GET["script"])) {
+	include "./script.inc.php";
 } else {
 	include "./db.inc.php";
 }

editor/script.inc.php

@@ -0,0 +1,12 @@
+<?php
+if (list($table, $id, $name) = $adminer->_foreignColumn(column_foreign_keys($_GET["source"]), $_GET["field"])) {
+	$result = $connection->query("SELECT $id, $name FROM " . table($table) . " WHERE $name LIKE " . q("$_GET[value]%") . " ORDER BY 2 LIMIT 11");
+	for ($i=0; $i < 10 && ($row = $result->fetch_row()); $i++) {
+		echo "<a href='" . h(ME . "edit=" . urlencode($table) . "&where" . urlencode("[" . bracket_escape(idf_unescape($id)) . "]") . "=" . urlencode($row[0])) . "'>" . h($row[1]) . "</a><br>\n";
+	}
+	if ($i == 10) {
+		echo "...\n";
+	}
+}
+
+exit; // don't print footer

editor/static/editing.js

@@ -5,3 +5,31 @@ function bodyLoad(version) {
 		onpopstate(history);
 	}
 }
+
+function whisperClick(event, field) {
+	var el = event.target || event.srcElement;
+	if (/^a$/i.test(el.tagName) && !(event.button || event.ctrlKey || event.shiftKey || event.altKey || event.metaKey)) {
+		field.value = el.firstChild.data;
+		field.previousSibling.value = decodeURIComponent(el.href.replace(/.*=/, ''));
+		field.nextSibling.style.display = 'none';
+		eventStop(event);
+		return false;
+	}
+}
+
+function whisper(url, field) {
+	if (field.orig != field.value) {
+		field.orig = field.value;
+		return ajax(url + encodeURIComponent(field.value), function (xmlhttp) {
+			if (xmlhttp.status && field.orig == field.value) {
+				field.nextSibling.innerHTML = xmlhttp.responseText;
+				field.nextSibling.style.display = '';
+				var a = field.nextSibling.firstChild;
+				if (a && a.firstChild.data == field.value) {
+					field.previousSibling.value = decodeURIComponent(a.href.replace(/.*=/, ''));
+					a.style.fontWeight = 'bold';
+				}
+			}
+		});
+	}
+}

todo.txt

@@ -21,7 +21,6 @@ Three-state checkbox for boolean searches
 JavaScript data validation - columns containing word email, url, ...
 Joining tables - PRIMARY KEY (table, joining)
 Rank, Tree structure
-Add whisperer to fields with foreign key to big table
 
 MySQL:
 Data longer than max_allowed_packet can be sent by mysqli_stmt_send_long_data()