Method check_valid

webiojs/src/models/input/input.ts:100–112

()

    // 检查输入项的有效性，在表单提交时调用
    check_valid(): boolean {
        let valid = !Number.isNaN(this.get_value()) || this.element.find('input').val() === '';
        if (!valid) {
            this.update_input_helper(-1, {
                'valid_status': false
            });
        } else {
            this.update_input_helper(-1, {
                'valid_status': 0, // remove the valid status
            });
        }
        return valid;
    }

    update_input(spec: any): any {
        let attributes = spec.attributes;