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Thread: Setting Checked Programmitcally Does Not Work for a Tree Panel

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  1. #1
    Sencha Premium Member Trevor4001's Avatar
    Join Date
    Sep 2013

    Default Setting Checked Programmitcally Does Not Work for a Tree Panel

    Ext version tested:

    • Ext 6.5.0 rev 775

    Browser versions tested against:

    • Chrome 70.0.3538.102

    DOCTYPE tested against:

    • html


    • Setting the value of checked on an does not update parent nor child nodes in a tree panel when Ext.tree.Panel.checkPropogation is set to "both".

    Steps to reproduce the problem:

    • Create a tree panel with checkPropogation set to "both" and the nodes not checked.
    • Set the value of checked for a parent node to true .

    The result that was expected:

    • The parent's child nodes should be checked.

    The result that occurs instead:

    • The parent's child nodes are not checked


      Fiddle.tree.View overrides Ext.tree.View to address bugs in Ext JS.
    Ext.define('Fiddle.tree.View', {
      override: 'Ext.tree.View',
      requires: [
      handleUpdate: function (
          allColumns) {
        // Ext JS Bug: Setting checked programmitcally does not work for a tree panel.
        if (!this.isChecking &&
              Ext.Array.contains(changedFieldNames, 'checked')) {
          // SetChecked expects the value of checked to not yet have been set.
          var checked = record.get('checked');
          record.set('checked', !checked, { silent: true });
          this.setChecked(record, checked, null, { silent: true });
      setChecked: function (record, meChecked, e, options) {
        this.isChecking = true;
        this.isChecking = false;
    Trevor Karjanis

  2. #2
    Sencha - Forum Administrator
    Join Date
    Sep 2017


    Hi Trevor,
    Thank you for bringing this to our attention. I have shared this information with the support team and asked that they look into this at their earliest convenience. Your patience is greatly appreciated.


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