static/admin/core/widgets/CodeEditorField.js
function(v) {
            if(!me.hiddenInput) me.hiddenInput = me.down('[xtype=textfield]')
            if(me.setTimer) clearTimeout(me.setTimer) 
            me.setTimer = setTimeout(function() {                
                me.noChange = true
                me.hiddenInput.setValue(v)
            }, 1000)
        }
function(v) {
            if(!me.hiddenInput) me.hiddenInput = me.down('[xtype=textfield]')
            if(me.setTimer) clearTimeout(me.setTimer) 
            me.setTimer = setTimeout(function() {                
                me.noChange = true
                me.hiddenInput.setValue(v)
            }, 1000)
        }
,editor =