From 4787b57d306d286312d5715bdc1ef37704665e83 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Fri, 3 Jun 2011 14:55:09 +0200
Subject: [PATCH] Revert "Highlight SQL code in textarea"

This reverts commit 2a1c4096816b6cfc18ec286647ad769bc3243d5e.
---
 .gitmodules                     |  3 --
 adminer/include/editing.inc.php |  2 +-
 adminer/static/default.css      |  1 -
 adminer/static/editing.js       | 52 +++++++--------------------------
 adminer/static/functions.js     | 38 ++++++++++++++++++++++--
 changes.txt                     |  1 -
 compile.php                     |  1 -
 externals/codemirror            |  1 -
 todo.txt                        |  1 +
 9 files changed, 47 insertions(+), 53 deletions(-)
 delete mode 160000 externals/codemirror

diff --git a/.gitmodules b/.gitmodules
index dfc215dc..127b40b9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,6 +13,3 @@
 [submodule "jquery-timepicker"]
 	path = externals/jquery-timepicker
 	url = git://github.com/trentrichardson/jQuery-Timepicker-Addon.git
-[submodule "codemirror"]
-	path = externals/codemirror
-	url = http://marijnhaverbeke.nl/git/codemirror2
diff --git a/adminer/include/editing.inc.php b/adminer/include/editing.inc.php
index 00c61a2c..bb603b69 100644
--- a/adminer/include/editing.inc.php
+++ b/adminer/include/editing.inc.php
@@ -106,7 +106,7 @@ function referencable_primary($self) {
 * @return null
 */
 function textarea($name, $value, $rows = 10, $cols = 80) {
-	echo "<textarea name='$name' rows='$rows' cols='$cols' class='sqlarea' spellcheck='false' wrap='off'>"; // spellcheck, wrap - not valid before HTML5
+	echo "<textarea name='$name' rows='$rows' cols='$cols' class='sqlarea' spellcheck='false' wrap='off' onkeydown='return textareaKeydown(this, event);'>"; // spellcheck, wrap - not valid before HTML5
 	if (is_array($value)) {
 		foreach ($value as $val) { // not implode() to save memory
 			echo h($val) . "\n\n\n";
diff --git a/adminer/static/default.css b/adminer/static/default.css
index 9144c23f..fe3caa90 100644
--- a/adminer/static/default.css
+++ b/adminer/static/default.css
@@ -41,7 +41,6 @@ input[type=image] { vertical-align: middle; }
 .options select { width: 20ex; width: auto\9; }
 .active { font-weight: bold; }
 .sqlarea { width: 98%; }
-.CodeMirror { border: 1px solid #777; }
 #menu { position: absolute; margin: 10px 0 0; padding: 0 0 30px 0; top: 2em; left: 0; width: 19em; overflow: auto; overflow-y: hidden; white-space: nowrap; }
 #menu p { padding: .8em 1em; margin: 0; border-bottom: 1px solid #ccc; }
 #content { margin: 2em 0 0 21em; padding: 10px 20px 20px 0; }
diff --git a/adminer/static/editing.js b/adminer/static/editing.js
index cef7d44a..59bab92e 100644
--- a/adminer/static/editing.js
+++ b/adminer/static/editing.js
@@ -1,37 +1,6 @@
 // Adminer specific functions
 
-// global variables to allow simple customization
-var jushRoot = '../externals/jush/';
-var codemirrorRoot = '../externals/codemirror/';
-
-function appendScript(src, onload) {
-	var script = document.createElement('script');
-	script.src = src;
-	script.onload = onload;
-	script.onreadystatechange = function () {
-		if (/^(loaded|complete)$/.test(script.readyState)) {
-			onload();
-		}
-	};
-	document.body.appendChild(script);
-}
-
-function appendStyle(href) {
-	var link = document.createElement('link');
-	link.rel = 'stylesheet';
-	link.type = 'text/css';
-	link.href = href;
-	document.getElementsByTagName('head')[0].appendChild(link);
-}
-
-function codemirrorRun() {
-	var textareas = document.getElementsByTagName('textarea');
-	for (var i=0; i < textareas.length; i++) {
-		if (textareas[i].className == 'sqlarea') {
-			CodeMirror.fromTextArea(textareas[i], { mode: 'text/x-plsql' });
-		}
-	}
-}
+var jushRoot = '../externals/jush/'; // global variable to allow simple customization
 
 /** Load syntax highlighting
 * @param string first three characters of database system version
@@ -41,7 +10,9 @@ function bodyLoad(version) {
 		onpopstate(history);
 	}
 	if (jushRoot) {
-		appendScript(jushRoot + 'jush.js', function () {
+		var script = document.createElement('script');
+		script.src = jushRoot + 'jush.js';
+		script.onload = function () {
 			if (window.jush) { // IE runs in case of an error too
 				jush.create_links = ' target="_blank" rel="noreferrer"';
 				jush.urls.sql_sqlset = jush.urls.sql[0] = jush.urls.sqlset[0] = jush.urls.sqlstatus[0] = 'http://dev.mysql.com/doc/refman/' + version + '/en/$key';
@@ -54,16 +25,13 @@ function bodyLoad(version) {
 				}
 				jush.highlight_tag('code', 0);
 			}
-		});
-	}
-	if (codemirrorRoot) {
-		appendStyle(codemirrorRoot + 'lib/codemirror.css');
-		appendStyle(codemirrorRoot + 'mode/plsql/plsql.css');
-		appendScript(codemirrorRoot + 'lib/codemirror.js', function () {
-			if (window.CodeMirror) {
-				appendScript(codemirrorRoot + 'mode/plsql/plsql.js', codemirrorRun);
+		};
+		script.onreadystatechange = function () {
+			if (/^(loaded|complete)$/.test(script.readyState)) {
+				script.onload();
 			}
-		});
+		};
+		document.body.appendChild(script);
 	}
 }
 
diff --git a/adminer/static/functions.js b/adminer/static/functions.js
index f27c3630..12c6307b 100644
--- a/adminer/static/functions.js
+++ b/adminer/static/functions.js
@@ -155,6 +155,41 @@ function selectAddRow(field) {
 
 
 
+/** Handle Tab and Esc in textarea
+* @param HTMLTextAreaElement
+* @param KeyboardEvent
+* @return boolean
+*/
+function textareaKeydown(target, event) {
+	if (!event.shiftKey && !event.altKey && !event.ctrlKey && !event.metaKey) {
+		if (event.keyCode == 9) { // 9 - Tab
+			// inspired by http://pallieter.org/Projects/insertTab/
+			if (target.setSelectionRange) {
+				var start = target.selectionStart;
+				var scrolled = target.scrollTop;
+				target.value = target.value.substr(0, start) + '\t' + target.value.substr(target.selectionEnd);
+				target.setSelectionRange(start + 1, start + 1);
+				target.scrollTop = scrolled;
+				return false; //! still loses focus in Opera, can be solved by handling onblur
+			} else if (target.createTextRange) {
+				document.selection.createRange().text = '\t';
+				return false;
+			}
+		}
+		if (event.keyCode == 27) { // 27 - Esc
+			var els = target.form.elements;
+			for (var i=1; i < els.length; i++) {
+				if (els[i-1] == target) {
+					els[i].focus();
+					break;
+				}
+			}
+			return false;
+		}
+	}
+	return true;
+}
+
 /** Send form by Ctrl+Enter on <select> and <textarea>
 * @param KeyboardEvent
 * @param [string]
@@ -326,9 +361,6 @@ function ajaxSend(url, data, popState) {
 				if (window.jush) {
 					jush.highlight_tag('code', 0);
 				}
-				if (window.CodeMirror) {
-					codemirrorRun();
-				}
 			}
 		}
 	}, data);
diff --git a/changes.txt b/changes.txt
index a0dfd62c..79e9fde8 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,6 +1,5 @@
 Adminer 3.3.0-dev:
 Use Esc to disable in-place edit
-Highlight SQL code in textarea
 Shortcut for database privileges
 Append new index with auto index selection (bug #3282127)
 Bit type default value
diff --git a/compile.php b/compile.php
index 17a2e9b6..9a20f7fc 100644
--- a/compile.php
+++ b/compile.php
@@ -269,7 +269,6 @@ foreach (array("adminer", "editor") as $project) {
 	$file = preg_replace('~\\.\\./adminer/static/(default\\.css|functions\\.js|favicon\\.ico)~', '<?php echo ' . $replace . '"; ?>', $file);
 	$file = preg_replace('~\\.\\./adminer/static/([^\'"]*)~', '" . ' . $replace, $file);
 	$file = str_replace("'../externals/jush/'", "location.protocol + '//www.adminer.org/static/'", $file);
-	$file = str_replace("'../externals/codemirror/'", "location.protocol + '//www.adminer.org/static/codemirror/'", $file);
 	$file = preg_replace("~<\\?php\\s*\\?>\n?|\\?>\n?<\\?php~", '', $file);
 	$file = php_shrink($file);
 
diff --git a/externals/codemirror b/externals/codemirror
deleted file mode 160000
index 68d004c9..00000000
--- a/externals/codemirror
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 68d004c93a391c805fdbb737a9c54296ef9dcdb9
diff --git a/todo.txt b/todo.txt
index 10f90860..cd13bf5d 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,6 +1,7 @@
 Transactions in export
 Create view and routine options
 Variables editation
+Highlight SQL textarea - may use external CodeMirror
 Blob download and image display in edit form (important for Editor with hidden fields in select and SQL command)
 Add title to Logout, edit (in select) and select (in menu) for style "hever"
 Shift-click in checkboxes to select range