Question

I currently have a GridPanel with the Ext.ux.RowEditor plugin. Four fields exist in the row editor: port, ip address, subnet and DHCP. If the DHCP field (checkbox) of the selected row is checked, I need to make the other three fields un-editable.

I’ve been trying to perform this code when the beforeedit event is triggered, but to no avail… I’ve only found ways to make the entire column un-editable. My code so far:

this.rowEditor.on({
    scope: this,
    beforeedit: this.checkIfEditable
});

checkIfEditable:function(rowEditor, rowIndex) {
    if(this.getStore().getAt(rowIndex).get('dhcp')) {
        // this function makes the entire column un-editable:
        this.getColumnModel().setEditable(2, false); 

        // I want to make only the other three fields of the current row 
        // uneditable.
    }
 }

Please let me know if any clarification is needed.

Any help potentially extending RowEditor to accomplish the target functionality would be greatly appreciated as well!

Answer 1

You can add into RowEditor.js within the function startEditing the call to the function isCellEditable

//.... RowEditor.js
startEditing: function(rowIndex, doFocus){
//.... search for the starting of the below loop into the source code
            var cm = g.getColumnModel(), fields = this.items.items, f, val;
            for(var i = 0, len = cm.getColumnCount(); i < len; i++){
                val = this.preEditValue(record, cm.getDataIndex(i));
                f = fields[i];
                f.setValue(val);

                // *** here add a call to isCellEditable *** //
                f.setDisabled(!cm.isCellEditable(i, rowIndex));
                // ***************************************** //

                this.values[f.id] = Ext.isEmpty(val) ? '' : val;
            }
//....

Then override the isCellEditable of your column model and disabled the field based on you condition:

YYY.getColumnModel().isCellEditable = function(colIndex, rowIndex){
 if (grid.getStore().getAt(rowIndex).get('dhcp')) {
    // you can do more check base on colIndex
    // only to disabled the one you want
    return false; 
  }
  return Ext.grid.ColumnModel.prototype.isCellEditable.call(this, colIndex, rowIndex);
}