59 lines
2.4 KiB
Java
59 lines
2.4 KiB
Java
/*
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* Copyright (c) 2016 Touch Instinct
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*
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* This file is part of RoboSwag library.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package ru.touchin.templates.validation.validationcontrollers;
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import android.support.annotation.NonNull;
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import ru.touchin.templates.validation.ValidationState;
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import ru.touchin.templates.validation.validators.SameTypeValidator;
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import rx.Observable;
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/**
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* Created by Ilia Kurtov on 24/01/2017.
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* {@link ValidationController} for {@link Boolean} models. Eg if you have some flag that should be bounded to checkbox.
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*/
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public class BooleanValidationController extends ValidationController<Boolean, Boolean, SameTypeValidator<Boolean>> {
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public BooleanValidationController(@NonNull final SameTypeValidator<Boolean> validator) {
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super(validator);
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}
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/**
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* This method validates bounded view.
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* @param activatedObservable emits true when we need to show error on empty fields. Eg when user clicks on Done button but he missed some
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* necessary fields to fill.
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* @return observable without any concrete type. Simply subscribe to this method to make it works.
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*/
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@NonNull
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public Observable<?> validation(@NonNull final Observable<Boolean> activatedObservable) {
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return Observable.combineLatest(activatedObservable, getValidator().getWrapperModel().observe(),
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(activated, flag) -> {
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final boolean selected = flag == null ? false : flag;
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if (activated && !selected) {
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return ValidationState.ERROR_NO_DESCRIPTION;
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} else if (!activated && !selected) {
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return ValidationState.INITIAL;
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}
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return ValidationState.VALID;
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})
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.doOnNext(validationState -> getValidator().getValidationState().set(validationState));
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}
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} |