Ok. I am answering my own question. I tried dark megic and it worked.
This is script include:
var UserInfo4 = Class.create();
UserInfo4.prototype = Object.extendsObject(AbstractAjaxProcessor, {
isUserInGroup: function() {
var user_id = this.getParameter('sysparm_user_id');
var group_id = this.getParameter('sysparam_group_id');
var grUser = new GlideRecord('sys_user_grmember');
grUser.addQuery('user', user_id);
grUser.addQuery('group', group_id);
grUser.query();
if (grUser.next()) {
return "true";
}
return 'false';
},
type: 'UserInfo4'
});
This is OnChange client script:
function onChange(control, oldValue, newValue, isLoading, isTemplate) {
if (isLoading || newValue === '') {
return;
}
var user_id = g_user.userID;
var ajax = new GlideAjax('UserInfo4');
ajax.addParam('sysparm_name', 'isUserInGroup');
ajax.addParam('sysparm_user_id', user_id);
ajax.addParam('sysparam_group_id', newValue);
ajax.getXML(setisUserInGroup);
function setisUserInGroup(response) {
var answer = response.responseXML.documentElement.getAttribute('answer');
//alert(answer);
if(answer == "true"){g_form.setReadOnly('assigned_to', false);}else{g_form.setReadOnly('assigned_to', true);
}
}
}
This is onLoad:
function onLoad() {
//Type appropriate comment here, and begin script below
//alert(g_scratchpad.grp);
var user_id = g_user.userID;
var group_id = g_form.getValue('assignment_group')
var ajax = new GlideAjax('UserInfo4');
ajax.addParam('sysparm_name', 'isUserInGroup');
ajax.addParam('sysparm_user_id', user_id);
ajax.addParam('sysparam_group_id', group_id);
ajax.getXML(setisUserInGroup);
function setisUserInGroup(response) {
var answer = response.responseXML.documentElement.getAttribute('answer');
//alert(answer);
if(answer == "true"){g_form.setReadOnly('assigned_to', false);}else{g_form.setReadOnly('assigned_to', true);
}
}
}
