/*!
 * 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 DxPanorama from 'devextreme/ui/panorama';


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 { DxoBackgroundImageModule } from './nested/background-image';
import { DxiItemModule } from './nested/item-dxi';

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




/**
 * The Panorama widget is a full-screen widget that allows you to arrange items on a long horizontal canvas split into several views. Each view contains several items, and an end user navigates the views with the swipe gesture. The Panorama is often used as a navigation map on the first page of an application.
 */
@Component({
    selector: 'dx-panorama',
    template: '',
    providers: [
        DxTemplateHost,
        WatcherHelper,
        NestedOptionHost,
        IterableDifferHelper
    ]
})
export class DxPanoramaComponent extends DxComponent implements OnDestroy, OnChanges, DoCheck {
    instance: DxPanorama;


    /**
     * 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);
    }


    /**
     * An object exposing options for setting a background image for the panorama.
     */
    @Input()
    get backgroundImage(): any {
        return this._getOption('backgroundImage');
    }
    set backgroundImage(value: any) {
        this._setOption('backgroundImage', 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<string|
        DevExpress.ui.CollectionWidgetItemTemplate> {
        return this._getOption('dataSource');
    }
    set dataSource(value: DevExpress.data.DataSource|
        DevExpress.data.DataSourceOptions|
        string|
        Array<string|
        DevExpress.ui.CollectionWidgetItemTemplate>) {
        this._setOption('dataSource', 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 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 whether or not the widget can be focused.
     */
    @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);
    }


    /**
     * The time period in milliseconds before the onItemHold event is raised.
     */
    @Input()
    get itemHoldTimeout(): number {
        return this._getOption('itemHoldTimeout');
    }
    set itemHoldTimeout(value: number) {
        this._setOption('itemHoldTimeout', value);
    }


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


    /**
     * Specifies a custom template for an item.
     */
    @Input()
    get itemTemplate(): any {
        return this._getOption('itemTemplate');
    }
    set itemTemplate(value: any) {
        this._setOption('itemTemplate', 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);
    }


    /**
     * The index of the currently active panorama item.
     */
    @Input()
    get selectedIndex(): number {
        return this._getOption('selectedIndex');
    }
    set selectedIndex(value: number) {
        this._setOption('selectedIndex', value);
    }


    /**
     * The selected item object.
     */
    @Input()
    get selectedItem(): any {
        return this._getOption('selectedItem');
    }
    set selectedItem(value: any) {
        this._setOption('selectedItem', value);
    }


    /**
     * Specifies the widget content title.
     */
    @Input()
    get title(): string {
        return this._getOption('title');
    }
    set title(value: string) {
        this._setOption('title', 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 contentReady event. Executed when the widget's content is ready. This handler may be executed multiple times during the widget's lifetime depending on the number of times its content changes.
     */
    @Output() onContentReady: 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 initialized event. Executed only once, after the widget is initialized.
     */
    @Output() onInitialized: EventEmitter<any>;

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

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

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

    /**
     * A handler for the itemRendered event.
     */
    @Output() onItemRendered: 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 selectionChanged event. Raised after an item is selected or unselected.
     */
    @Output() onSelectionChanged: EventEmitter<any>;

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

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

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

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

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

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

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

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

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

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

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

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

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




    @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: 'contentReady', emit: 'onContentReady' },
            { subscribe: 'disposing', emit: 'onDisposing' },
            { subscribe: 'initialized', emit: 'onInitialized' },
            { subscribe: 'itemClick', emit: 'onItemClick' },
            { subscribe: 'itemContextMenu', emit: 'onItemContextMenu' },
            { subscribe: 'itemHold', emit: 'onItemHold' },
            { subscribe: 'itemRendered', emit: 'onItemRendered' },
            { subscribe: 'optionChanged', emit: 'onOptionChanged' },
            { subscribe: 'selectionChanged', emit: 'onSelectionChanged' },
            { emit: 'activeStateEnabledChange' },
            { emit: 'backgroundImageChange' },
            { emit: 'dataSourceChange' },
            { emit: 'disabledChange' },
            { emit: 'elementAttrChange' },
            { emit: 'focusStateEnabledChange' },
            { emit: 'heightChange' },
            { emit: 'hintChange' },
            { emit: 'hoverStateEnabledChange' },
            { emit: 'itemHoldTimeoutChange' },
            { emit: 'itemsChange' },
            { emit: 'itemTemplateChange' },
            { emit: 'rtlEnabledChange' },
            { emit: 'selectedIndexChange' },
            { emit: 'selectedItemChange' },
            { emit: 'titleChange' },
            { emit: 'visibleChange' },
            { emit: 'widthChange' }
        ]);

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

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

    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);
        }
    }

}

@NgModule({
  imports: [
    DxoBackgroundImageModule,
    DxiItemModule,
    DxTemplateModule
  ],
  declarations: [
    DxPanoramaComponent
  ],
  exports: [
    DxPanoramaComponent,
    DxoBackgroundImageModule,
    DxiItemModule,
    DxTemplateModule
  ],
  providers: [EventsRegistrator]

})
export class DxPanoramaModule { }