skip calls to canvas.paintNow during createColumns()

fin-hypergrid · Jul 10, 2018 · eb54c56 · eb54c56
1 parent ba3f2db
commit eb54c56
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/src/Hypergrid/index.js b/src/Hypergrid/index.js
@@ -964,7 +964,7 @@ var Hypergrid = Base.extend('Hypergrid', {
         var canvas = this.canvas;
         if (canvas) {
             if (this.properties.repaintImmediately) {
-                canvas.paintNow();
+                this.paintNow();
             } else {
                 canvas.repaint();
             }
@@ -976,7 +976,9 @@ var Hypergrid = Base.extend('Hypergrid', {
      * @desc Paint immediately in this microtask.
      */
     paintNow: function() {
-        this.canvas.paintNow();
+        if (this.behavior.columnsCreated) {
+            this.canvas.paintNow();
+        }
     },
 
     /**

diff --git a/src/behaviors/Behavior.js b/src/behaviors/Behavior.js
@@ -240,6 +240,8 @@ var Behavior = Base.extend('Behavior', {
             tc = this.treeColumnIndex,
             rc = this.rowColumnIndex;
 
+        this.columnsCreated = false;
+
         schema[tc] = schema[tc] || {};
         schema[tc].index = tc;
         if (schema[tc].name === undefined) { schema[tc].name = this.treeColumnNameDefault; }
@@ -325,6 +327,8 @@ var Behavior = Base.extend('Behavior', {
             realImplementation.call(this);
         }
 
+        this.columnsCreated = true;
+
         this.changed();
 
         dispatchGridEvent.call(this.grid, 'fin-hypergrid-columns-created');