Index: admin_events_handler.php
===================================================================
--- admin_events_handler.php	(revision 13557)
+++ admin_events_handler.php	(working copy)
@@ -327,18 +327,20 @@
 				$field_options['default'] = $default_value;
 			}
 
-			$fields[ $field_info['Field'] ] = $this->transformDump($field_options);
-			$grids_fields[ $field_info['Field'] ] = $this->transformDump($grid_col_options);
+			$fields[ $field_info['Field'] ] = $field_options; //$this->transformDump($field_options);
+			$grids_fields[ $field_info['Field'] ] = $grid_col_options; //$this->transformDump($grid_col_options);
 		}
 
 		$grids['Default']['Fields'] = $grids_fields;
 
-		$ret = "'IDField' => '".$id_field."',\n'Fields' => A".substr(stripslashes(var_export($fields, true)), 1).',';
-		$ret .= "\n"."'Grids' => ".stripslashes(var_export($grids, true));
+		$ret = Array (
+			'IDField' => $id_field,
+			'Fields' => $fields,
+			'Grids' => $grids,
+		);
 
-		$ret = str_replace('array (', 'Array (', $ret);
-		$ret = preg_replace("/'(.*?)' => 'Array \((.*?), \)',/", "'\\1' => Array (\\2),", $ret);
-		$ret = preg_replace("/\n  '/", "\n\t'", $ret);
+		$decorator = new UnitConfigDecorator();
+		$ret = $decorator->decorate($ret);
 
 		$this->Application->InitParser();
 		ob_start();
@@ -357,19 +359,6 @@
 		$event->status = erSTOP;
 	}
 
-	function transformDump($dump)
-	{
-		if (is_array($dump)) {
-			$dump = var_export($dump, true);
-		}
-
-		$dump = preg_replace("/,\n[ ]*/", ', ', $dump);
-		$dump = preg_replace("/array \(\n[ ]*/", 'Array (', $dump); // replace array start
-		$dump = preg_replace("/,\n[ ]*\),/", "),", $dump); // replace array end
-
-		return $dump;
-	}
-
 	/**
 	 * Refreshes ThemeFiles & Theme tables by actual content on HDD
 	 *
@@ -1344,4 +1333,59 @@
 
 		echo $json_helper->encode($ret);
 	}
+}
+
+
+class UnitConfigDecorator {
+
+	var $parentPath = Array ();
+
+	function decorate($var, $level = 0)
+	{
+		$ret = '';
+
+		$deep_level = count($this->parentPath);
+
+		if ($deep_level && ($this->parentPath[0] == 'Fields')) {
+			$expand = $level < 2;
+		}
+		elseif ($deep_level && ($this->parentPath[0] == 'Grids')) {
+			if ($deep_level == 3 && $this->parentPath[2] == 'Icons') {
+				$expand = false;
+			}
+			else {
+				$expand = $level < 4;
+			}
+		}
+		else {
+			$expand = $level == 0;
+		}
+
+		if (is_array($var)) {
+			$ret .= 'Array (';
+			$prepend = $expand ? "\n" . str_repeat("\t", $level + 1) : '';
+
+			foreach ($var as $key => $value) {
+				array_push($this->parentPath, $key);
+				$ret .= $prepend . (is_string($key) ? "'" . $key . "'" : $key) . ' => ' . $this->decorate($value, $level + 1) . ', ';
+				array_pop($this->parentPath);
+			}
+
+			$prepend = $expand ? "\n" . str_repeat("\t", $level) : '';
+			$ret = rtrim($ret, ', ') . $prepend . ')';
+		}
+		else {
+			if (is_null($var)) {
+				$ret = 'NULL';
+			}
+			elseif (is_string($var)) {
+				$ret = "'" . $var . "'";
+			}
+			else {
+				$ret = $var;
+			}
+		}
+
+		return $ret;
+	}
 }
\ No newline at end of file