start vtable mode

lib/ui/grid/column.js

@@ -7,9 +7,13 @@ import { setTooltip } from "../tooltip";
 import Dropdown from "../dropdown";
 
 class GridColumn {
-    static create() { return createElement('span') }
+    static create() {
+        return createElement('span');
+    }
 
-    static setValue(element, val) { element.innerText = val }
+    static setValue(element, val) {
+        element.innerText = val;
+    }
 
     static setStyle(element, style) {
         for (let css of Object.entries(style)) {
@@ -49,7 +53,9 @@ class GridInputColumn extends GridColumn {
 
     static getValue(e) { return e.target.value }
 
-    static setEnabled(element, enabled) { element.disabled = enabled === false }
+    static setEnabled(element, enabled) {
+        element.disabled = enabled === false;
+    }
 }
 
 class GridTextColumn extends GridInputColumn {
@@ -79,6 +85,7 @@ class GridTextColumn extends GridInputColumn {
                 const lines = String(val).split('\n').length;
                 element.style.height = `${lines * grid.lineHeight + 12}px`;
             }
+            // TODO: bad performance
         }
     }
 }
@@ -171,11 +178,15 @@ class GridCheckboxColumn extends GridColumn {
         return check;
     }
 
-    static setValue(element, val) { element.querySelector('input').checked = val }
+    static setValue(element, val) {
+        element.querySelector('input').checked = val;
+    }
 
     static getValue(e) { return e.target.checked }
 
-    static setEnabled(element, enabled) { element.querySelector('input').disabled = enabled === false }
+    static setEnabled(element, enabled) {
+        element.querySelector('input').disabled = enabled === false;
+    }
 }
 
 class GridIconColumn extends GridColumn {

lib/ui/grid/grid.js

@@ -67,6 +67,7 @@ class Grid {
     #scrollLeft;
     #colTypes = {};
     #colAttrs = {};
+    #vtable = [];
 
     columns = [];
     langs = {
@@ -629,7 +630,6 @@ class Grid {
                             }
                             cell.appendChild(type.create(col));
                         }
-
                     }
                     row.appendChild(cell);
                 });