static/ext/src/ux/form/field/ClearButton.js
function() {
            if (this.hideClearButtonWhenEmpty && Ext.isEmpty(this.textField.getValue())) {
                return false;
            }

            var clearButtonEl = this.clearButtonEl;
            //noinspection RedundantIfStatementJS
            if (this.hideClearButtonWhenMouseOut
                && !clearButtonEl.hasCls(this.clearButtonCls + '-mouse-over-button')
                && !clearButtonEl.hasCls(this.clearButtonCls + '-mouse-over-input')) {
                return false;
            }

            return true;
        }
function() {
            if (this.hideClearButtonWhenEmpty && Ext.isEmpty(this.textField.getValue())) {
                return false;
            }

            var clearButtonEl = this.clearButtonEl;
            //noinspection RedundantIfStatementJS
            if (this.hideClearButtonWhenMouseOut
                && !clearButtonEl.hasCls(this.clearButtonCls + '-mouse-over-button')
                && !clearButtonEl.hasCls(this.clearButtonCls + '-mouse-over-input')) {
                return false;
            }

            return true;
        }
function ( ) { if ( this . hideClearButtonWhenEmpty && Ext . isEmpty ( this . textField . getValue ( ) ) ) { return false ; } var clearButtonEl = this . clearButtonEl ; //noinspection RedundantIfStatementJS if ( this . hideClearButtonWhenMouseOut && ! clearButtonEl . hasCls ( this . clearButtonCls + '-mouse-over-button' ) && ! clearButtonEl . hasCls ( this . clearButtonCls + '-mouse-over-input' ) ) { return false ; } return true ; }
Checks config options and current mouse status to determine if the clear button should be visible.
Checks config options and current mouse status to determine if the clear button should be visible .