@danielmoncada/angular-datetime-picker
Version:
Angular Date Time Picker
208 lines • 26.6 kB
JavaScript
/**
* dialog-container.component
*/
import { ChangeDetectorRef, Component, ElementRef, EventEmitter, Inject, Optional, ViewChild } from '@angular/core';
import { animate, animateChild, keyframes, style, transition, trigger } from '@angular/animations';
import { DOCUMENT } from '@angular/common';
import { FocusTrapFactory } from '@angular/cdk/a11y';
import { BasePortalOutlet, CdkPortalOutlet } from '@angular/cdk/portal';
const zoomFadeIn = {
opacity: 0,
transform: 'translateX({{ x }}) translateY({{ y }}) scale({{scale}})'
};
const zoomFadeInFrom = {
opacity: 0,
transform: 'translateX({{ x }}) translateY({{ y }}) scale({{scale}})',
transformOrigin: '{{ ox }} {{ oy }}'
};
export class OwlDialogContainerComponent extends BasePortalOutlet {
constructor(changeDetector, elementRef, focusTrapFactory, document) {
super();
this.changeDetector = changeDetector;
this.elementRef = elementRef;
this.focusTrapFactory = focusTrapFactory;
this.document = document;
this.portalOutlet = null;
/** ID of the element that should be considered as the dialog's label. */
this.ariaLabelledBy = null;
/** Emits when an animation state changes. */
this.animationStateChanged = new EventEmitter();
this.isAnimating = false;
this.state = 'enter';
// for animation purpose
this.params = {
x: '0px',
y: '0px',
ox: '50%',
oy: '50%',
scale: 0
};
// A variable to hold the focused element before the dialog was open.
// This would help us to refocus back to element when the dialog was closed.
this.elementFocusedBeforeDialogWasOpened = null;
}
get config() {
return this._config;
}
get owlDialogContainerClass() {
return true;
}
get owlDialogContainerTabIndex() {
return -1;
}
get owlDialogContainerId() {
return this._config.id;
}
get owlDialogContainerRole() {
return this._config.role || null;
}
get owlDialogContainerAriaLabelledby() {
return this.ariaLabelledBy;
}
get owlDialogContainerAriaDescribedby() {
return this._config.ariaDescribedBy || null;
}
get owlDialogContainerAnimation() {
return { value: this.state, params: this.params };
}
ngOnInit() { }
/**
* Attach a ComponentPortal as content to this dialog container.
*/
attachComponentPortal(portal) {
if (this.portalOutlet.hasAttached()) {
throw Error('Attempting to attach dialog content after content is already attached');
}
this.savePreviouslyFocusedElement();
return this.portalOutlet.attachComponentPortal(portal);
}
attachTemplatePortal(portal) {
throw new Error('Method not implemented.');
}
setConfig(config) {
this._config = config;
if (config.event) {
this.calculateZoomOrigin(event);
}
}
onAnimationStart(event) {
this.isAnimating = true;
this.animationStateChanged.emit(event);
}
onAnimationDone(event) {
if (event.toState === 'enter') {
this.trapFocus();
}
else if (event.toState === 'exit') {
this.restoreFocus();
}
this.animationStateChanged.emit(event);
this.isAnimating = false;
}
startExitAnimation() {
this.state = 'exit';
this.changeDetector.markForCheck();
}
/**
* Calculate origin used in the `zoomFadeInFrom()`
* for animation purpose
*/
calculateZoomOrigin(event) {
if (!event) {
return;
}
const clientX = event.clientX;
const clientY = event.clientY;
const wh = window.innerWidth / 2;
const hh = window.innerHeight / 2;
const x = clientX - wh;
const y = clientY - hh;
const ox = clientX / window.innerWidth;
const oy = clientY / window.innerHeight;
this.params.x = `${x}px`;
this.params.y = `${y}px`;
this.params.ox = `${ox * 100}%`;
this.params.oy = `${oy * 100}%`;
this.params.scale = 0;
return;
}
/**
* Save the focused element before dialog was open
*/
savePreviouslyFocusedElement() {
if (this.document) {
this.elementFocusedBeforeDialogWasOpened = this.document
.activeElement;
Promise.resolve().then(() => this.elementRef.nativeElement.focus());
}
}
trapFocus() {
if (!this.focusTrap) {
this.focusTrap = this.focusTrapFactory.create(this.elementRef.nativeElement);
}
if (this._config.autoFocus) {
this.focusTrap.focusInitialElementWhenReady();
}
}
restoreFocus() {
const toFocus = this.elementFocusedBeforeDialogWasOpened;
// We need the extra check, because IE can set the `activeElement` to null in some cases.
if (toFocus && typeof toFocus.focus === 'function') {
toFocus.focus();
}
if (this.focusTrap) {
this.focusTrap.destroy();
}
}
}
OwlDialogContainerComponent.decorators = [
{ type: Component, args: [{
selector: 'owl-dialog-container',
template: "<ng-template [cdkPortalOutlet]></ng-template>\n",
animations: [
trigger('slideModal', [
transition('void => enter', [
style(zoomFadeInFrom),
animate('300ms cubic-bezier(0.35, 0, 0.25, 1)', style('*')),
animate('150ms', keyframes([
style({ transform: 'scale(1)', offset: 0 }),
style({ transform: 'scale(1.05)', offset: 0.3 }),
style({ transform: 'scale(.95)', offset: 0.8 }),
style({ transform: 'scale(1)', offset: 1.0 })
])),
animateChild()
], {
params: {
x: '0px',
y: '0px',
ox: '50%',
oy: '50%',
scale: 1
}
}),
transition('enter => exit', [animateChild(), animate(200, style(zoomFadeIn))], { params: { x: '0px', y: '0px', ox: '50%', oy: '50%' } })
])
],
host: {
'(@slideModal.start)': 'onAnimationStart($event)',
'(@slideModal.done)': 'onAnimationDone($event)',
'[class.owl-dialog-container]': 'owlDialogContainerClass',
'[attr.tabindex]': 'owlDialogContainerTabIndex',
'[attr.id]': 'owlDialogContainerId',
'[attr.role]': 'owlDialogContainerRole',
'[attr.aria-labelledby]': 'owlDialogContainerAriaLabelledby',
'[attr.aria-describedby]': 'owlDialogContainerAriaDescribedby',
'[@slideModal]': 'owlDialogContainerAnimation'
}
},] }
];
OwlDialogContainerComponent.ctorParameters = () => [
{ type: ChangeDetectorRef },
{ type: ElementRef },
{ type: FocusTrapFactory },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] }
];
OwlDialogContainerComponent.propDecorators = {
portalOutlet: [{ type: ViewChild, args: [CdkPortalOutlet, { static: true },] }]
};
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* dialog-container.component\n */\n\nimport {\n    ChangeDetectorRef,\n    Component,\n    ComponentRef,\n    ElementRef,\n    EmbeddedViewRef,\n    EventEmitter,\n    Inject,\n    OnInit,\n    Optional,\n    ViewChild\n} from '@angular/core';\nimport {\n    animate,\n    animateChild,\n    AnimationEvent,\n    keyframes,\n    style,\n    transition,\n    trigger\n} from '@angular/animations';\nimport { DOCUMENT } from '@angular/common';\nimport { FocusTrap, FocusTrapFactory } from '@angular/cdk/a11y';\nimport {\n    BasePortalOutlet,\n    CdkPortalOutlet,\n    ComponentPortal,\n    TemplatePortal\n} from '@angular/cdk/portal';\nimport { OwlDialogConfigInterface } from './dialog-config.class';\n\nconst zoomFadeIn = {\n    opacity: 0,\n    transform: 'translateX({{ x }}) translateY({{ y }}) scale({{scale}})'\n};\nconst zoomFadeInFrom = {\n    opacity: 0,\n    transform: 'translateX({{ x }}) translateY({{ y }}) scale({{scale}})',\n    transformOrigin: '{{ ox }} {{ oy }}'\n};\n\n@Component({\n    selector: 'owl-dialog-container',\n    templateUrl: './dialog-container.component.html',\n    animations: [\n        trigger('slideModal', [\n            transition(\n                'void => enter',\n                [\n                    style(zoomFadeInFrom),\n                    animate('300ms cubic-bezier(0.35, 0, 0.25, 1)', style('*')),\n                    animate(\n                        '150ms',\n                        keyframes([\n                            style({ transform: 'scale(1)', offset: 0 }),\n                            style({ transform: 'scale(1.05)', offset: 0.3 }),\n                            style({ transform: 'scale(.95)', offset: 0.8 }),\n                            style({ transform: 'scale(1)', offset: 1.0 })\n                        ])\n                    ),\n                    animateChild()\n                ],\n                {\n                    params: {\n                        x: '0px',\n                        y: '0px',\n                        ox: '50%',\n                        oy: '50%',\n                        scale: 1\n                    }\n                }\n            ),\n            transition(\n                'enter => exit',\n                [animateChild(), animate(200, style(zoomFadeIn))],\n                { params: { x: '0px', y: '0px', ox: '50%', oy: '50%' } }\n            )\n        ])\n    ],\n    host: {\n        '(@slideModal.start)': 'onAnimationStart($event)',\n        '(@slideModal.done)': 'onAnimationDone($event)',\n        '[class.owl-dialog-container]': 'owlDialogContainerClass',\n        '[attr.tabindex]': 'owlDialogContainerTabIndex',\n        '[attr.id]': 'owlDialogContainerId',\n        '[attr.role]': 'owlDialogContainerRole',\n        '[attr.aria-labelledby]': 'owlDialogContainerAriaLabelledby',\n        '[attr.aria-describedby]': 'owlDialogContainerAriaDescribedby',\n        '[@slideModal]': 'owlDialogContainerAnimation'\n    }\n})\nexport class OwlDialogContainerComponent extends BasePortalOutlet\n    implements OnInit {\n    @ViewChild(CdkPortalOutlet, { static: true })\n    portalOutlet: CdkPortalOutlet | null = null;\n\n    /** The class that traps and manages focus within the dialog. */\n    private focusTrap: FocusTrap;\n\n    /** ID of the element that should be considered as the dialog's label. */\n    public ariaLabelledBy: string | null = null;\n\n    /** Emits when an animation state changes. */\n    public animationStateChanged = new EventEmitter<AnimationEvent>();\n\n    public isAnimating = false;\n\n    private _config: OwlDialogConfigInterface;\n    get config(): OwlDialogConfigInterface {\n        return this._config;\n    }\n\n    private state: 'void' | 'enter' | 'exit' = 'enter';\n\n    // for animation purpose\n    private params: any = {\n        x: '0px',\n        y: '0px',\n        ox: '50%',\n        oy: '50%',\n        scale: 0\n    };\n\n    // A variable to hold the focused element before the dialog was open.\n    // This would help us to refocus back to element when the dialog was closed.\n    private elementFocusedBeforeDialogWasOpened: HTMLElement | null = null;\n\n    get owlDialogContainerClass(): boolean {\n        return true;\n    }\n\n    get owlDialogContainerTabIndex(): number {\n        return -1;\n    }\n\n    get owlDialogContainerId(): string {\n        return this._config.id;\n    }\n\n    get owlDialogContainerRole(): string {\n        return this._config.role || null;\n    }\n\n    get owlDialogContainerAriaLabelledby(): string {\n        return this.ariaLabelledBy;\n    }\n\n    get owlDialogContainerAriaDescribedby(): string {\n        return this._config.ariaDescribedBy || null;\n    }\n\n    get owlDialogContainerAnimation(): any {\n        return { value: this.state, params: this.params };\n    }\n\n    constructor(\n        private changeDetector: ChangeDetectorRef,\n        private elementRef: ElementRef,\n        private focusTrapFactory: FocusTrapFactory,\n        @Optional()\n        @Inject(DOCUMENT)\n        private document: any\n    ) {\n        super();\n    }\n\n    public ngOnInit() {}\n\n    /**\n     * Attach a ComponentPortal as content to this dialog container.\n     */\n    public attachComponentPortal<T>(\n        portal: ComponentPortal<T>\n    ): ComponentRef<T> {\n        if (this.portalOutlet.hasAttached()) {\n            throw Error(\n                'Attempting to attach dialog content after content is already attached'\n            );\n        }\n\n        this.savePreviouslyFocusedElement();\n        return this.portalOutlet.attachComponentPortal(portal);\n    }\n\n    public attachTemplatePortal<C>(\n        portal: TemplatePortal<C>\n    ): EmbeddedViewRef<C> {\n        throw new Error('Method not implemented.');\n    }\n\n    public setConfig(config: OwlDialogConfigInterface): void {\n        this._config = config;\n\n        if (config.event) {\n            this.calculateZoomOrigin(event);\n        }\n    }\n\n    public onAnimationStart( event: AnimationEvent ): void {\n        this.isAnimating = true;\n        this.animationStateChanged.emit(event);\n    }\n\n    public onAnimationDone( event: AnimationEvent ): void {\n        if (event.toState === 'enter') {\n            this.trapFocus();\n        } else if (event.toState === 'exit') {\n            this.restoreFocus();\n        }\n\n        this.animationStateChanged.emit(event);\n        this.isAnimating = false;\n    }\n\n    public startExitAnimation() {\n        this.state = 'exit';\n        this.changeDetector.markForCheck();\n    }\n\n    /**\n     * Calculate origin used in the `zoomFadeInFrom()`\n     * for animation purpose\n     */\n    private calculateZoomOrigin(event: any): void {\n        if (!event) {\n            return;\n        }\n\n        const clientX = event.clientX;\n        const clientY = event.clientY;\n\n        const wh = window.innerWidth / 2;\n        const hh = window.innerHeight / 2;\n        const x = clientX - wh;\n        const y = clientY - hh;\n        const ox = clientX / window.innerWidth;\n        const oy = clientY / window.innerHeight;\n\n        this.params.x = `${x}px`;\n        this.params.y = `${y}px`;\n        this.params.ox = `${ox * 100}%`;\n        this.params.oy = `${oy * 100}%`;\n        this.params.scale = 0;\n\n        return;\n    }\n\n    /**\n     * Save the focused element before dialog was open\n     */\n    private savePreviouslyFocusedElement(): void {\n        if (this.document) {\n            this.elementFocusedBeforeDialogWasOpened = this.document\n                .activeElement as HTMLElement;\n\n            Promise.resolve().then(() => this.elementRef.nativeElement.focus());\n        }\n    }\n\n    private trapFocus(): void {\n        if (!this.focusTrap) {\n            this.focusTrap = this.focusTrapFactory.create(\n                this.elementRef.nativeElement\n            );\n        }\n\n        if (this._config.autoFocus) {\n            this.focusTrap.focusInitialElementWhenReady();\n        }\n    }\n\n    private restoreFocus(): void {\n        const toFocus = this.elementFocusedBeforeDialogWasOpened;\n\n        // We need the extra check, because IE can set the `activeElement` to null in some cases.\n        if (toFocus && typeof toFocus.focus === 'function') {\n            toFocus.focus();\n        }\n\n        if (this.focusTrap) {\n            this.focusTrap.destroy();\n        }\n    }\n}\n"]}