/*!
 * devextreme-angular-test
 * Version: 17.2.8
 * Build date: Mon Feb 05 2018
 *
 * Copyright (c) 2012 - 2018 Developer Express Inc. ALL RIGHTS RESERVED
 *
 * This software may be modified and distributed under the terms
 * of the MIT license. See the LICENSE file in the root of the project for details.
 *
 * https://github.com/DevExpress/devextreme-angular
 */











import {
    Component,
    NgModule,
    ElementRef,
    NgZone,
    Input,
    Output,
    OnDestroy,
    Injector,
    EventEmitter,
    OnChanges,
    DoCheck,
    SimpleChanges,
    ContentChildren,
    QueryList
} from '@angular/core';


import DevExpress from 'devextreme/bundles/dx.all';

import DxValidator from 'devextreme/ui/validator';


import { DxComponentExtension } from '../core/component';
import { DxTemplateHost } from '../core/template-host';
import { DxTemplateModule } from '../core/template';
import { EventsRegistrator } from '../core/events-strategy';
import { NestedOptionHost } from '../core/nested-option';
import { WatcherHelper } from '../core/watcher-helper';
import { IterableDifferHelper } from '../core/iterable-differ-helper';

import { DxoAdapterModule } from './nested/adapter';
import { DxiValidationRuleModule } from './nested/validation-rule-dxi';

import { DxiValidationRuleComponent } from './nested/validation-rule-dxi';




/**
 * A widget that is used to validate the associated DevExtreme editors against the defined validation rules.
 */
@Component({
    selector: 'dx-validator',
    template: '',
    providers: [
        DxTemplateHost,
        WatcherHelper,
        NestedOptionHost,
        IterableDifferHelper
    ]
})
export class DxValidatorComponent extends DxComponentExtension implements OnDestroy, OnChanges, DoCheck {
    instance: DxValidator;


    /**
     * An object that specifies what and when to validate, and how to apply the validation result.
     */
    @Input()
    get adapter(): any {
        return this._getOption('adapter');
    }
    set adapter(value: any) {
        this._setOption('adapter', value);
    }


    /**
     * Specifies the attributes to be attached to the widget's root element.
     */
    @Input()
    get elementAttr(): any {
        return this._getOption('elementAttr');
    }
    set elementAttr(value: any) {
        this._setOption('elementAttr', value);
    }


    /**
     * Specifies the widget's height.
     */
    @Input()
    get height(): number|
        Function|
        string {
        return this._getOption('height');
    }
    set height(value: number|
        Function|
        string) {
        this._setOption('height', value);
    }


    /**
     * Specifies the editor name to be used in the validation default messages.
     */
    @Input()
    get name(): string {
        return this._getOption('name');
    }
    set name(value: string) {
        this._setOption('name', value);
    }


    /**
     * Specifies the validation group the editor will be related to.
     */
    @Input()
    get validationGroup(): string {
        return this._getOption('validationGroup');
    }
    set validationGroup(value: string) {
        this._setOption('validationGroup', value);
    }


    /**
     * An array of validation rules to be checked for the editor with which the dxValidator object is associated.
     */
    @Input()
    get validationRules(): Array<DevExpress.ui.RequiredRule|
        DevExpress.ui.NumericRule|
        DevExpress.ui.RangeRule|
        DevExpress.ui.StringLengthRule|
        DevExpress.ui.CustomRule|
        DevExpress.ui.CompareRule|
        DevExpress.ui.PatternRule|
        DevExpress.ui.EmailRule> {
        return this._getOption('validationRules');
    }
    set validationRules(value: Array<DevExpress.ui.RequiredRule|
        DevExpress.ui.NumericRule|
        DevExpress.ui.RangeRule|
        DevExpress.ui.StringLengthRule|
        DevExpress.ui.CustomRule|
        DevExpress.ui.CompareRule|
        DevExpress.ui.PatternRule|
        DevExpress.ui.EmailRule>) {
        this._setOption('validationRules', value);
    }


    /**
     * Specifies the widget's width.
     */
    @Input()
    get width(): number|
        Function|
        string {
        return this._getOption('width');
    }
    set width(value: number|
        Function|
        string) {
        this._setOption('width', value);
    }

    /**
     * A handler for the disposing event. Executed when the widget is removed from the DOM using the remove(), empty(), or html() jQuery methods only.
     */
    @Output() onDisposing: EventEmitter<any>;

    /**
     * A handler for the initialized event. Executed only once, after the widget is initialized.
     */
    @Output() onInitialized: EventEmitter<any>;

    /**
     * A handler for the optionChanged event. Executed after an option of the widget is changed.
     */
    @Output() onOptionChanged: EventEmitter<any>;

    /**
     * A handler for the validated event.
     */
    @Output() onValidated: EventEmitter<any>;

    /**
     * A handler for the adapterChange event.
     */
    @Output() adapterChange: EventEmitter<any>;

    /**
     * A handler for the elementAttrChange event.
     */
    @Output() elementAttrChange: EventEmitter<any>;

    /**
     * A handler for the heightChange event.
     */
    @Output() heightChange: EventEmitter<number|
        Function|
        string>;

    /**
     * A handler for the nameChange event.
     */
    @Output() nameChange: EventEmitter<string>;

    /**
     * A handler for the validationGroupChange event.
     */
    @Output() validationGroupChange: EventEmitter<string>;

    /**
     * A handler for the validationRulesChange event.
     */
    @Output() validationRulesChange: EventEmitter<Array<DevExpress.ui.RequiredRule|
        DevExpress.ui.NumericRule|
        DevExpress.ui.RangeRule|
        DevExpress.ui.StringLengthRule|
        DevExpress.ui.CustomRule|
        DevExpress.ui.CompareRule|
        DevExpress.ui.PatternRule|
        DevExpress.ui.EmailRule>>;

    /**
     * A handler for the widthChange event.
     */
    @Output() widthChange: EventEmitter<number|
        Function|
        string>;




    @ContentChildren(DxiValidationRuleComponent)
    get validationRulesChildren(): QueryList<DxiValidationRuleComponent> {
        return this._getOption('validationRules');
    }
    set validationRulesChildren(value) {
        this.setChildren('validationRules', value);
    }


    constructor(elementRef: ElementRef, ngZone: NgZone, templateHost: DxTemplateHost, injector: Injector,
            private _watcherHelper: WatcherHelper,
            private _idh: IterableDifferHelper, optionHost: NestedOptionHost) {

        super(elementRef, ngZone, templateHost, _watcherHelper);
        injector.get(EventsRegistrator);

        this._createEventEmitters([
            { subscribe: 'disposing', emit: 'onDisposing' },
            { subscribe: 'initialized', emit: 'onInitialized' },
            { subscribe: 'optionChanged', emit: 'onOptionChanged' },
            { subscribe: 'validated', emit: 'onValidated' },
            { emit: 'adapterChange' },
            { emit: 'elementAttrChange' },
            { emit: 'heightChange' },
            { emit: 'nameChange' },
            { emit: 'validationGroupChange' },
            { emit: 'validationRulesChange' },
            { emit: 'widthChange' }
        ]);

        this._idh.setHost(this);
        optionHost.setHost(this);
    }

    protected _createInstance(element, options) {
        return new DxValidator(element, options);
    }

    ngOnDestroy() {
        this._destroyWidget();
    }

    ngOnChanges(changes: SimpleChanges) {
        super.ngOnChanges(changes);
        this.setupChanges('validationRules', changes);
    }

    setupChanges(prop: string, changes: SimpleChanges) {
        if (!(prop in this._optionsToUpdate)) {
            this._idh.setup(prop, changes);
        }
    }

    ngDoCheck() {
        this._idh.doCheck('validationRules');
        this._watcherHelper.checkWatchers();
        super.ngDoCheck();
    }

    _setOption(name: string, value: any) {
        let isSetup = this._idh.setupSingle(name, value);
        let isChanged = this._idh.getChanges(name, value) !== null;

        if (isSetup || isChanged) {
            super._setOption(name, value);
        }
    }

}

@NgModule({
  imports: [
    DxoAdapterModule,
    DxiValidationRuleModule,
    DxTemplateModule
  ],
  declarations: [
    DxValidatorComponent
  ],
  exports: [
    DxValidatorComponent,
    DxoAdapterModule,
    DxiValidationRuleModule,
    DxTemplateModule
  ],
  providers: [EventsRegistrator]

})
export class DxValidatorModule { }