Allow positioning the action column in aggregate editor

Via the actcol setting (defaults to -1) you can define at which position
the delete column is added to the table. Positive number count from
start, negative ones from the end.

Author: splitbrain

meta/ConfigParser.php

@@ -30,7 +30,8 @@ class ConfigParser
         'csv' => true,
         'nesting' => 0,
         'index' => 0,
-        'classes' => []
+        'classes' => [],
+        'actcol' => -1,
     ];
 
     /**
@@ -131,6 +132,11 @@ public function __construct($lines)
                 case 'classes':
                     $this->config['classes'] = $this->parseClasses($val);
                     break;
+                case 'actcol':
+                case 'actioncol':
+                case 'actioncolumn':
+                    $this->config['actcol'] = (int) $val;
+                    break;
                 default:
                     $data = ['config' => &$this->config, 'key' => $key, 'val' => $val];
                     $ev = new Event('PLUGIN_STRUCT_CONFIGPARSER_UNKNOWNKEY', $data);

script/AggregationEditor.js

@@ -31,7 +31,7 @@ const AggregationEditor = function (idx, table) {
 
             // empty header cells
             if (!rid) {
-                $me.append('<th class="action">' + LANG.plugins.struct.actions + '</th>');
+                insertActionCell($me, '<th class="action">' + LANG.plugins.struct.actions + '</th>');
                 return;
             }
 
@@ -68,11 +68,34 @@ const AggregationEditor = function (idx, table) {
                 });
 
             $td.append($btn);
-            $me.append($td);
-
+            insertActionCell($me, $td);
         });
     }
 
+    /**
+     * Insert the action cell at the right position, depending on the actcol setting
+     *
+     * @param {jQuery<HTMLTableRowElement>} $row
+     * @param {jQuery<HTMLTableCellElement>} $cell
+     */
+    function insertActionCell($row, $cell) {
+        const $children = $row.children();
+        let insertAt = searchconf.actcol;
+        if ( insertAt < 0 ) insertAt = $children.length + 1 + insertAt;
+        console.log("insertAt", insertAt);
+
+        if(insertAt >= $children.length) {
+            console.log("append");
+            $row.append($cell);
+        } else if (insertAt < 0) {
+            console.log("prepend");
+            $row.prepend($cell);
+        } else {
+            console.log("insertBefore");
+            $children.eq(insertAt).before($cell);
+        }
+    }
+
     /**
      * Initializes the form for the editor and attaches handlers
      *