/*!
 * 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,
    OnInit,
    AfterViewInit,
    ContentChild,
    forwardRef,
    HostListener,
    OnChanges,
    DoCheck,
    SimpleChanges,
    ContentChildren,
    QueryList
} from '@angular/core';


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

import DxDropDownBox from 'devextreme/ui/drop_down_box';

import { DxValidatorComponent } from './validator';

import {
    ControlValueAccessor,
    NG_VALUE_ACCESSOR
} from '@angular/forms';

import { DxComponent } 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 { DxoDropDownOptionsModule } from './nested/drop-down-options';
import { DxoAnimationModule } from './nested/animation';
import { DxoHideModule } from './nested/hide';
import { DxoShowModule } from './nested/show';
import { DxoPositionModule } from './nested/position';
import { DxoAtModule } from './nested/at';
import { DxoBoundaryOffsetModule } from './nested/boundary-offset';
import { DxoCollisionModule } from './nested/collision';
import { DxoMyModule } from './nested/my';
import { DxoOffsetModule } from './nested/offset';
import { DxiToolbarItemModule } from './nested/toolbar-item-dxi';
import { DxiItemModule } from './nested/item-dxi';

import { DxiItemComponent } from './nested/item-dxi';




const CUSTOM_VALUE_ACCESSOR_PROVIDER = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => DxDropDownBoxComponent),
    multi: true
};

/**
 * The DropDownBox widget consists of a text field, which displays the current value, and a drop-down field, which can contain any UI element.
 */
@Component({
    selector: 'dx-drop-down-box',
    template: '',
    providers: [
        DxTemplateHost,
        WatcherHelper,
        CUSTOM_VALUE_ACCESSOR_PROVIDER,
        NestedOptionHost,
        IterableDifferHelper
    ]
})
export class DxDropDownBoxComponent extends DxComponent implements OnDestroy, OnInit, AfterViewInit, ControlValueAccessor, OnChanges, DoCheck {
    instance: DxDropDownBox;

    @ContentChild(DxValidatorComponent)
    validator: DxValidatorComponent;


    /**
     * Specifies whether the widget allows a user to enter a custom value.
     */
    @Input()
    get acceptCustomValue(): boolean {
        return this._getOption('acceptCustomValue');
    }
    set acceptCustomValue(value: boolean) {
        this._setOption('acceptCustomValue', value);
    }


    /**
     * Specifies the shortcut key that sets focus on the widget.
     */
    @Input()
    get accessKey(): string {
        return this._getOption('accessKey');
    }
    set accessKey(value: string) {
        this._setOption('accessKey', value);
    }


    /**
     * Specifies whether or not the widget changes its state when interacting with a user.
     */
    @Input()
    get activeStateEnabled(): boolean {
        return this._getOption('activeStateEnabled');
    }
    set activeStateEnabled(value: boolean) {
        this._setOption('activeStateEnabled', value);
    }


    /**
     * Specifies a custom template for the drop-down content.
     */
    @Input()
    get contentTemplate(): any {
        return this._getOption('contentTemplate');
    }
    set contentTemplate(value: any) {
        this._setOption('contentTemplate', value);
    }


    /**
     * A data source used to fetch data to be displayed by the widget.
     */
    @Input()
    get dataSource(): DevExpress.data.DataSource|
        DevExpress.data.DataSourceOptions|
        string|
        Array<any> {
        return this._getOption('dataSource');
    }
    set dataSource(value: DevExpress.data.DataSource|
        DevExpress.data.DataSourceOptions|
        string|
        Array<any>) {
        this._setOption('dataSource', value);
    }


    /**
     * Specifies whether widget content is rendered when the widget is shown or when rendering the widget.
     */
    @Input()
    get deferRendering(): boolean {
        return this._getOption('deferRendering');
    }
    set deferRendering(value: boolean) {
        this._setOption('deferRendering', value);
    }


    /**
     * Specifies whether the widget responds to user interaction.
     */
    @Input()
    get disabled(): boolean {
        return this._getOption('disabled');
    }
    set disabled(value: boolean) {
        this._setOption('disabled', value);
    }


    /**
     * Specifies the name of the data source item field whose value is displayed by the widget.
     */
    @Input()
    get displayExpr(): Function|
        string {
        return this._getOption('displayExpr');
    }
    set displayExpr(value: Function|
        string) {
        this._setOption('displayExpr', value);
    }


    /**
     * Specifies a custom template for the drop-down button.
     */
    @Input()
    get dropDownButtonTemplate(): any {
        return this._getOption('dropDownButtonTemplate');
    }
    set dropDownButtonTemplate(value: any) {
        this._setOption('dropDownButtonTemplate', value);
    }


    /**
     * Configures the drop-down field which holds the content.
     */
    @Input()
    get dropDownOptions(): DevExpress.ui.dxPopupOptions {
        return this._getOption('dropDownOptions');
    }
    set dropDownOptions(value: DevExpress.ui.dxPopupOptions) {
        this._setOption('dropDownOptions', 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);
    }


    /**
     * The template to be used for rendering the widget's text field.
     */
    @Input()
    get fieldTemplate(): any {
        return this._getOption('fieldTemplate');
    }
    set fieldTemplate(value: any) {
        this._setOption('fieldTemplate', value);
    }


    /**
     * Specifies whether the widget can be focused using keyboard navigation.
     */
    @Input()
    get focusStateEnabled(): boolean {
        return this._getOption('focusStateEnabled');
    }
    set focusStateEnabled(value: boolean) {
        this._setOption('focusStateEnabled', 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 text for a hint that appears when a user pauses on the widget.
     */
    @Input()
    get hint(): string {
        return this._getOption('hint');
    }
    set hint(value: string) {
        this._setOption('hint', value);
    }


    /**
     * Specifies whether the widget changes its state when a user pauses on it.
     */
    @Input()
    get hoverStateEnabled(): boolean {
        return this._getOption('hoverStateEnabled');
    }
    set hoverStateEnabled(value: boolean) {
        this._setOption('hoverStateEnabled', value);
    }


    /**
     * Specifies the attributes to be passed on to the underlying HTML element.
     */
    @Input()
    get inputAttr(): any {
        return this._getOption('inputAttr');
    }
    set inputAttr(value: any) {
        this._setOption('inputAttr', value);
    }


    /**
     * Specifies whether the editor's value is valid.
     */
    @Input()
    get isValid(): boolean {
        return this._getOption('isValid');
    }
    set isValid(value: boolean) {
        this._setOption('isValid', value);
    }


    /**
     * An array of items displayed by the widget.
     */
    @Input()
    get items(): Array<any|
        { disabled?: boolean, html?: string, template?: any, text?: string, visible?: boolean }> {
        return this._getOption('items');
    }
    set items(value: Array<any|
        { disabled?: boolean, html?: string, template?: any, text?: string, visible?: boolean }>) {
        this._setOption('items', value);
    }


    /**
     * The value to be assigned to the `name` attribute of the underlying HTML element.
     */
    @Input()
    get name(): string {
        return this._getOption('name');
    }
    set name(value: string) {
        this._setOption('name', value);
    }


    /**
     * Specifies whether or not the drop-down editor is displayed.
     */
    @Input()
    get opened(): boolean {
        return this._getOption('opened');
    }
    set opened(value: boolean) {
        this._setOption('opened', value);
    }


    /**
     * The text displayed by the widget when the widget value is empty.
     */
    @Input()
    get placeholder(): string {
        return this._getOption('placeholder');
    }
    set placeholder(value: string) {
        this._setOption('placeholder', value);
    }


    /**
     * A Boolean value specifying whether or not the widget is read-only.
     */
    @Input()
    get readOnly(): boolean {
        return this._getOption('readOnly');
    }
    set readOnly(value: boolean) {
        this._setOption('readOnly', value);
    }


    /**
     * Switches the widget to a right-to-left representation.
     */
    @Input()
    get rtlEnabled(): boolean {
        return this._getOption('rtlEnabled');
    }
    set rtlEnabled(value: boolean) {
        this._setOption('rtlEnabled', value);
    }


    /**
     * Specifies whether to display the Clear button in the widget.
     */
    @Input()
    get showClearButton(): boolean {
        return this._getOption('showClearButton');
    }
    set showClearButton(value: boolean) {
        this._setOption('showClearButton', value);
    }


    /**
     * Specifies the number of the element when the Tab key is used for navigating.
     */
    @Input()
    get tabIndex(): number {
        return this._getOption('tabIndex');
    }
    set tabIndex(value: number) {
        this._setOption('tabIndex', value);
    }


    /**
     * The read-only option that holds the text displayed by the widget input element.
     */
    @Input()
    get text(): string {
        return this._getOption('text');
    }
    set text(value: string) {
        this._setOption('text', value);
    }


    /**
     * Specifies information on the validation error when using a custom validation engine. Should be changed at runtime along with the isValid option.
     */
    @Input()
    get validationError(): any {
        return this._getOption('validationError');
    }
    set validationError(value: any) {
        this._setOption('validationError', value);
    }


    /**
     * Specifies how the message about the validation rules that are not satisfied by this editor's value is displayed.
     */
    @Input()
    get validationMessageMode(): string {
        return this._getOption('validationMessageMode');
    }
    set validationMessageMode(value: string) {
        this._setOption('validationMessageMode', value);
    }


    /**
     * Specifies the currently selected value. May be an object if dataSource contains objects and valueExpr is not set.
     */
    @Input()
    get value(): any {
        return this._getOption('value');
    }
    set value(value: any) {
        this._setOption('value', value);
    }


    /**
     * Specifies after which DOM events the widget updates the value.
     */
    @Input()
    get valueChangeEvent(): string {
        return this._getOption('valueChangeEvent');
    }
    set valueChangeEvent(value: string) {
        this._setOption('valueChangeEvent', value);
    }


    /**
     * Specifies which data field provides the widget's value. When this option is not set, the value is the entire data object.
     */
    @Input()
    get valueExpr(): Function|
        string {
        return this._getOption('valueExpr');
    }
    set valueExpr(value: Function|
        string) {
        this._setOption('valueExpr', value);
    }


    /**
     * Specifies whether the widget is visible.
     */
    @Input()
    get visible(): boolean {
        return this._getOption('visible');
    }
    set visible(value: boolean) {
        this._setOption('visible', 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 change event.
     */
    @Output() onChange: EventEmitter<any>;

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

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

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

    /**
     * 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 enterKey event.
     */
    @Output() onEnterKey: EventEmitter<any>;

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

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

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

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

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

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

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

    /**
     * A handler for the opened event.
     */
    @Output() onOpened: 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 paste event.
     */
    @Output() onPaste: EventEmitter<any>;

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

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

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

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

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

    /**
     * A handler for the dataSourceChange event.
     */
    @Output() dataSourceChange: EventEmitter<DevExpress.data.DataSource|
        DevExpress.data.DataSourceOptions|
        string|
        Array<any>>;

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

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

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

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

    /**
     * A handler for the dropDownOptionsChange event.
     */
    @Output() dropDownOptionsChange: EventEmitter<DevExpress.ui.dxPopupOptions>;

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

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

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

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

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

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

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

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

    /**
     * A handler for the itemsChange event.
     */
    @Output() itemsChange: EventEmitter<Array<any|
        { disabled?: boolean, html?: string, template?: any, text?: string, visible?: boolean }>>;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    @Output() onBlur: EventEmitter<any>;


    @HostListener('valueChange', ['$event']) change(_) { }
    @HostListener('onBlur', ['$event']) touched = () => {};


    @ContentChildren(DxiItemComponent)
    get itemsChildren(): QueryList<DxiItemComponent> {
        return this._getOption('items');
    }
    set itemsChildren(value) {
        this.setChildren('items', 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: 'change', emit: 'onChange' },
            { subscribe: 'closed', emit: 'onClosed' },
            { subscribe: 'copy', emit: 'onCopy' },
            { subscribe: 'cut', emit: 'onCut' },
            { subscribe: 'disposing', emit: 'onDisposing' },
            { subscribe: 'enterKey', emit: 'onEnterKey' },
            { subscribe: 'focusIn', emit: 'onFocusIn' },
            { subscribe: 'focusOut', emit: 'onFocusOut' },
            { subscribe: 'initialized', emit: 'onInitialized' },
            { subscribe: 'input', emit: 'onInput' },
            { subscribe: 'keyDown', emit: 'onKeyDown' },
            { subscribe: 'keyPress', emit: 'onKeyPress' },
            { subscribe: 'keyUp', emit: 'onKeyUp' },
            { subscribe: 'opened', emit: 'onOpened' },
            { subscribe: 'optionChanged', emit: 'onOptionChanged' },
            { subscribe: 'paste', emit: 'onPaste' },
            { subscribe: 'valueChanged', emit: 'onValueChanged' },
            { emit: 'acceptCustomValueChange' },
            { emit: 'accessKeyChange' },
            { emit: 'activeStateEnabledChange' },
            { emit: 'contentTemplateChange' },
            { emit: 'dataSourceChange' },
            { emit: 'deferRenderingChange' },
            { emit: 'disabledChange' },
            { emit: 'displayExprChange' },
            { emit: 'dropDownButtonTemplateChange' },
            { emit: 'dropDownOptionsChange' },
            { emit: 'elementAttrChange' },
            { emit: 'fieldTemplateChange' },
            { emit: 'focusStateEnabledChange' },
            { emit: 'heightChange' },
            { emit: 'hintChange' },
            { emit: 'hoverStateEnabledChange' },
            { emit: 'inputAttrChange' },
            { emit: 'isValidChange' },
            { emit: 'itemsChange' },
            { emit: 'nameChange' },
            { emit: 'openedChange' },
            { emit: 'placeholderChange' },
            { emit: 'readOnlyChange' },
            { emit: 'rtlEnabledChange' },
            { emit: 'showClearButtonChange' },
            { emit: 'tabIndexChange' },
            { emit: 'textChange' },
            { emit: 'validationErrorChange' },
            { emit: 'validationMessageModeChange' },
            { emit: 'valueChange' },
            { emit: 'valueChangeEventChange' },
            { emit: 'valueExprChange' },
            { emit: 'visibleChange' },
            { emit: 'widthChange' },
            { emit: 'onBlur' }
        ]);

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

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

    writeValue(value: any): void {
        this.value = value;
    }

    setDisabledState(isDisabled: boolean): void {
        this.disabled = isDisabled;
    }

    registerOnChange(fn: (_: any) => void): void { this.change = fn; }
    registerOnTouched(fn: () => void): void { this.touched = fn; }

    _createWidget(element: any) {
        super._createWidget(element);
        this.instance.on('focusOut', (e) => {
            this.eventHelper.fireNgEvent('onBlur', [e]);
        });
    }

    ngOnDestroy() {
        this._destroyWidget();
    }

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

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

    ngDoCheck() {
        this._idh.doCheck('dataSource');
        this._idh.doCheck('items');
        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);
        }
    }

    ngOnInit() {
        super.ngOnInit();
        if (this.validator) {
            this.validator.createInstanceOnInit = false;
        }
    }
    ngAfterViewInit() {
        super.ngAfterViewInit();
        if (this.validator) {
            this.validator.createInstance(this.element.nativeElement);
        }
    }
}

@NgModule({
  imports: [
    DxoDropDownOptionsModule,
    DxoAnimationModule,
    DxoHideModule,
    DxoShowModule,
    DxoPositionModule,
    DxoAtModule,
    DxoBoundaryOffsetModule,
    DxoCollisionModule,
    DxoMyModule,
    DxoOffsetModule,
    DxiToolbarItemModule,
    DxiItemModule,
    DxTemplateModule
  ],
  declarations: [
    DxDropDownBoxComponent
  ],
  exports: [
    DxDropDownBoxComponent,
    DxoDropDownOptionsModule,
    DxoAnimationModule,
    DxoHideModule,
    DxoShowModule,
    DxoPositionModule,
    DxoAtModule,
    DxoBoundaryOffsetModule,
    DxoCollisionModule,
    DxoMyModule,
    DxoOffsetModule,
    DxiToolbarItemModule,
    DxiItemModule,
    DxTemplateModule
  ],
  providers: [EventsRegistrator]

})
export class DxDropDownBoxModule { }