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Мы используем проверку нокаута и выпадающие из него два раскрывающихся поля. Страна и состояние подсвечиваются сразу после загрузки страницы. Мы просто хотим, чтобы он подтвердил и выделил после того, как пользователь попытается сохранить страницу.Подтверждение нокаута Выделение полей DropDown при загрузке страницы
<!-- Add/Edit Template -->
<script id="editTemplate" type="text/html">
<fieldset style="position: relative;" data-bind="with: $root.currentGraduateEducationNonMed">
<legend>@ViewBag.Title</legend>
<div style="margin-bottom: 20px;">
Please enter non-medical graduate education information.
</div>
<!-- ko template: "errorsTemplate" -->
<!-- /ko -->
<ul class="input_group">
<li>
<label class="required_label">School Name</label>
<input type="text" data-bind="value: schoolName" maxlength="80">
</li>
<li>
<label class="required_label">City</label>
<input type="text" data-bind="value: city" maxlength="40">
</li>
<li>
<label class="required_label">Country:</label>
<select data-bind="options: $root.countries, optionsText: 'countryName', optionsValue: 'countryId', optionsCaption: 'Please Select', value: $root.selectedCountryId, event: { change: $root.countryChanged }"></select>
</li>
<li>
<label class="required">State/Province</label>
<select data-bind="options: $root.states, optionsText: 'stateOrProvinceDescription', optionsValue: 'stateOrProvinceId', optionsCaption: $root.statesCaption, value: stateOrProvinceId"></select>
</li>
<li>
<label class="required_label">Area of Study</label>
<input type="text" data-bind="value: areaOfStudy" maxlength="50">
</li>
<li>
<label class="required_label">Date Degree Conferred</label>
<input type="text" data-bind="date: dateDegreeConferred" style="width: 140px;">
</li>
</ul>
<div class="actions">
<button data-bind="click: $root.save">Save</button>
<button data-bind="click: $root.closeEditor">Cancel</button>
</div>
</fieldset>
</script>
module Models.Addendums {
export interface IWyomingGraduateEducationNonMed {
//DEFN - Add property to interface
graduateEducationId: number;
schoolName: string;
city: string;
stateOrProvinceId: number;
stateOrProvince: Models.IStateOrProvinceLookup;
areaOfStudy: string;
dateDegreeConferred: Date;
}
export class WyomingGraduateEducationNonMed extends BaseObject {
constructor(options?: {
graduateEducationId: number;
schoolName: string;
city: string;
stateOrProvinceId: number;
stateOrProvince: Models.StateOrProvinceLookup;
areaOfStudy: string;
dateDegreeConferred: Date;
}) {
super();
if (options) {
this.graduateEducationId(options.graduateEducationId);
this.schoolName(options.schoolName);
this.city(options.city);
this.stateOrProvinceId(options.stateOrProvinceId);
this.stateOrProvince(options.stateOrProvince);
this.areaOfStudy(options.areaOfStudy);
this.dateDegreeConferred(options.dateDegreeConferred);
}
// Set the initial state
this.setState();
}
graduateEducationId: KnockoutObservable<number> = ko.observable(null);
schoolName: KnockoutObservable<string> = ko.observable(null).extend({ required: { message: "Please enter a school name." } });
city: KnockoutObservable<string> = ko.observable(null).extend({ required: { message: "Please enter a city." } });
stateOrProvinceId: KnockoutObservable<number> = ko.observable(null).extend({ required: { message: "Please select a state/province." } });
stateOrProvince: KnockoutObservable<Models.StateOrProvinceLookup> = ko.observable(null);
areaOfStudy: KnockoutObservable<string> = ko.observable(null).extend({ required: { message: "Please enter an area of study." } });
dateDegreeConferred: KnockoutObservable<Date> = ko.observable(null).extend({ required: { message: "Please enter a date degree conferred." } });
fromData = (data: IWyomingGraduateEducationNonMed) => {
this.graduateEducationId(data.graduateEducationId);
this.schoolName(data.schoolName);
this.city(data.city);
this.stateOrProvinceId(data.stateOrProvinceId);
if (data.stateOrProvince != null) {
// Load data for Fsmb_StateOrProvinceLookup
var stateOrProvince = new Models.StateOrProvinceLookup();
stateOrProvince.fromData(data.stateOrProvince);
this.stateOrProvince(stateOrProvince);
}
this.areaOfStudy(data.areaOfStudy);
this.dateDegreeConferred(data.dateDegreeConferred);
// Set the initial state
this.setState();
}
}
}
module ViewModels.Addendums {
export class WyomingGraduateEducationNonMedViewModel {
//-----------------------------------------------------------------------------------
// Constructor/Initial Setup
constructor() {
ko.validation.init({
insertMessages: false,
decorateElement: true,
errorElementClass: "input-validation-error"
});
Q.all([
this.loadGraduateEducationNonMed(),
this.loadCountries()
]).fail((error: any) => {
this.errors([error]);
}).fin(() => {
$("#loading").css("display", "none");
});
}
//-----------------------------------------------------------------------------------
// Properties
template = ko.observable<string>("mainTemplate");
errors = ko.observableArray<string>([]);
graduateEducationNonMed = ko.observableArray<Models.Addendums.WyomingGraduateEducationNonMed>([]);
currentGraduateEducationNonMed = ko.observable<Models.Addendums.WyomingGraduateEducationNonMed>(null);
countries = ko.observableArray<Models.CountryLookup>([]);
selectedCountryId = ko.observable<number>(null).extend({ required: { message: "Please select a country" } });
//countriesCaption = ko.observable<string>("Please Select");
states = ko.observableArray<Models.StateOrProvinceLookup>();
statesCaption = ko.observable<string>("Please Select");
//-----------------------------------------------------------------------------------
// Functions/Event Handlers
//log = (message: string) => {
// if (window && window.console && window.console.log) {
// var dt = new Date();
// var ts = (dt.toString()).substr(16, 2) + (dt.toISOString()).substr(13, 10);
// console.log(ts + ' - ' + message);
// }
//}
loadGraduateEducationNonMed =(): Q.Promise<void> => {
var service = new Services.Addendums.WyomingGraduateEducationNonMedService();
return service.getByFid()
.then((graduateEducationNonMed: Array<Models.Addendums.WyomingGraduateEducationNonMed>) => {
graduateEducationNonMed = graduateEducationNonMed.sort(function (a: Models.Addendums.WyomingGraduateEducationNonMed, b: Models.Addendums.WyomingGraduateEducationNonMed) {
var keyA = a.dateDegreeConferred();
var keyB = b.dateDegreeConferred();
return ((keyA < keyB) ? -1 : ((keyA > keyB) ? 1 : 0));
});
this.graduateEducationNonMed(graduateEducationNonMed);
});
}
loadCountries =(): Q.Promise<void> => {
var countryService = new Services.CountryLookupService();
return countryService.getAll()
.then((countries: Array<Models.CountryLookup>) => {
this.countries(countries);
});
}
formatDate = (date: Date): string => {
if (date == null) { return "";}
return moment(date).format("MM/DD/YYYY");
}
create =() => {
this.currentGraduateEducationNonMed(new Models.Addendums.WyomingGraduateEducationNonMed());
this.template("editTemplate");
}
edit = (graduateEducationNonMed: Models.Addendums.WyomingGraduateEducationNonMed) => {
// Select current country in list
var country: Models.CountryLookup = this.getCountry(graduateEducationNonMed.stateOrProvince().countryId());
this.selectedCountryId(country.countryId());
this.currentGraduateEducationNonMed(graduateEducationNonMed);
// Retrieve StateOrProvinces; select current stateOrProvince in list
this.populateStates(country.countryId(), graduateEducationNonMed.stateOrProvinceId());
this.template("editTemplate");
}
getCountry = (countryId: number) => {
var country: Models.CountryLookup = null;
$.each(this.countries(), (index: number, c: Models.CountryLookup) => {
if (c.countryId() === countryId) {
country = c;
}
});
return country;
}
countryChanged =() => {
// Load states by country
var countryId = this.selectedCountryId();
this.populateStates(countryId);
}
populateStates = (countryId: number, stateId?: number) => {
// Display busy
$("#loadingCover").css("display", "block");
this.states(new Array<Models.StateOrProvinceLookup>());
// Load states
if (countryId == null) {
$("#loadingCover").css("display", "none");
} else {
this.statesCaption("Loading...");
var stateService = new Services.StateOrProvinceLookupService();
stateService.getByCountry(countryId)
.then((states: Array<Models.StateOrProvinceLookup>) => {
this.states(states);
if (stateId != null) {
// Re-select stateOrProvince
// (model value is blanked out when model is bound to template when StateOrProvince is missing from dropdown)
this.currentGraduateEducationNonMed().stateOrProvinceId(stateId);
}
this.statesCaption("Please Select");
})
.fail((error: any) => {
// Add this error to errors
this.errors([error]);
})
.fin(() => {
// Hide spinner
$("#loadingCover").css("display", "none");
});
}
}
save = (graduateEducationNonMed: Models.Addendums.WyomingGraduateEducationNonMed) => {
// Check to see if elements are valid
var errors = ko.validation.group(this.currentGraduateEducationNonMed());
if (errors().length > 0) {
// Errors have been found, stop processing
this.errors(errors());
errors.showAllMessages();
return;
} else {
this.errors([]);
}
if (graduateEducationNonMed.isDirty()) {
// Display spinner
$("#loadingScreen").css("display", "block");
var service = new Services.Addendums.WyomingGraduateEducationNonMedService();
service.update(graduateEducationNonMed)
.then(() => {
this.loadGraduateEducationNonMed();
this.closeEditor();
})
.fail((error: any) => {
this.errors([error]);
})
.fin(() => {
$("#loadingScreen").css("display", "none");
});
} else {
// Nothing has changed; close edit mode
this.closeEditor();
}
}
// Called when cancelling changes, and also to reset after saving changes
closeEditor =() => {
var graduateEducationNonMed = this.currentGraduateEducationNonMed();
// Unbind, to allow reverting lookup values not included in select options
this.currentGraduateEducationNonMed(null);
if (graduateEducationNonMed.isDirty())
graduateEducationNonMed.revertState();
this.selectedCountryId(null);
//this.countriesCaption("Please Select");
this.states.removeAll();
this.errors([]);
this.template("mainTemplate");
}
remove = (graduateEducationNonMed: Models.Addendums.WyomingGraduateEducationNonMed) => {
$("#loadingScreen").css("display", "block");
var service = new Services.Addendums.WyomingGraduateEducationNonMedService();
service.remove(graduateEducationNonMed.graduateEducationId())
.then(() => {
this.loadGraduateEducationNonMed();
this.template("mainTemplate");
})
.fail((error: any) => {
this.errors([error]);
}).fin(() => {
$("#loadingScreen").css("display", "none");
});
}
next =() => {
$("#loadingCover").css("display", "block");
var redirectUri = Application.Settings.baseUrl + "Addendum/StaffPrivileges";
window.location.href = redirectUri;
}
}
}
$(document).ready(() => {
var graduateEducationNonMedViewModel = new ViewModels.Addendums.WyomingGraduateEducationNonMedViewModel();
ko.applyBindings(graduateEducationNonMedViewModel);
});
, который не работал –