openaire-library/utils/modal/alert.ts

245 lines
7.1 KiB
TypeScript

import {
AfterViewInit,
Component,
ElementRef,
EventEmitter,
Input, OnDestroy,
OnInit,
Output,
ViewChild,
ViewEncapsulation
} from '@angular/core';
declare var UIkit: any;
@Component({
selector: 'modal-alert',
template: `
<div #element class="uk-modal" [class.uk-modal-container]="large" [id]="id" uk-modal="container: #modal-container">
<div class="uk-modal-dialog">
<div class="uk-modal-header uk-flex uk-flex-middle uk-flex-between" [ngClass]="classTitle">
<div [class.uk-invisible]="!alertHeader">
<h5 class="uk-margin-remove">{{alertTitle}}</h5>
</div>
<button class="uk-close uk-icon uk-margin-left" (click)="cancel()">
<icon name="close" ratio="1.5"></icon>
</button>
</div>
<div #bodyElement class="uk-modal-body uk-animation-fast uk-text-left"
[ngClass]="classBody" [attr.uk-overflow-auto]="overflowBody?'':null">
<div *ngIf="message" [hidden]=!alertMessage [innerHTML]="message | safeHtml"></div>
<ng-content></ng-content>
</div>
<div *ngIf="(choice || okButton || cancelButton) && alertFooter" class="uk-modal-footer">
<div class="uk-grid uk-flex uk-flex-middle" uk-grid>
<label *ngIf="choice" class="uk-width-expand">
<input type="checkbox" [(ngModel)]="select">
<span class="uk-margin-small-left">Don't show this message again</span>
</label>
<div [ngClass]="(choice)?'uk-width-auto':'uk-width-1-1'">
<div class="uk-width-1-1" [ngClass]="(previousButton && (cancelButton || okButton)) ? 'uk-flex uk-flex-between uk-grid' : ''">
<div *ngIf="previousButton" class="uk-flex-left">
<button class="uk-button uk-button-default uk-margin-small-left"
(click)="previous()">{{previousButtonText}}</button>
</div>
<div class="uk-flex-right uk-grid uk-grid-small" uk-grid>
<span *ngIf="okButton" [class.uk-flex-last]="!okButtonLeft">
<button class="uk-button uk-button-primary" [disabled]="okDisabled"
[class.uk-disabled]="okDisabled" (click)="ok()">{{okButtonText}}</button>
</span>
<span *ngIf="cancelButton">
<button class="uk-button uk-button-default uk-margin-small-left"
(click)="cancel()">{{cancelButtonText}}</button>
</span>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
`,
encapsulation: ViewEncapsulation.None,
})
/**
* API to an open alert window.
*/
export class AlertModal implements OnInit, AfterViewInit, OnDestroy {
private static MODAL_COUNTER: number = 0;
id: string = "modal";
@Input() classTitle: string = "uk-background-primary-opacity";
@Input() classBody: string = "";
@Input() large: boolean = false;
@Input() overflowBody: boolean = true;
@ViewChild("bodyElement") bodyElement: ElementRef;
/**
* Caption for the title.
*/
public alertTitle: string;
/**
* Describes if the alert contains Ok Button.
* The default Ok button will close the alert and emit the callback.
* Defaults to true.
*/
public okButton: boolean = true;
/**
* Caption for the OK button.
* Default: Ok
*/
public okButtonText: string = 'OK';
/**
* Describes if the alert contains cancel Button.
* The default Cancelbutton will close the alert.
* Defaults to true.
*/
public cancelButton: boolean = true;
/**
* Caption for the Cancel button.
* Default: Cancel
*/
public cancelButtonText: string = 'Cancel';
/**
* if the alertMessage is true it will show the contentString inside alert body.
*/
/**
* Describes if the alert contains Previous Button.
* The default Previous button will emit the callback.
* Defaults to false.
*/
public previousButton: boolean = false;
/**
* Caption for the Previous button.
* Default: Previous
*/
public previousButtonText: string = 'Previous';
public alertMessage: boolean = true;
/**
* Some message/content can be set in message which will be shown in alert body.
*/
public message: string;
/**
* if the value is true alert footer will be visible or else it will be hidden.
*/
public alertFooter: boolean = true;
/**
* shows alert header if the value is true.
*/
public alertHeader: boolean = true;
/**
* if the value is true ok button align on the left, else on the right
*/
public okButtonLeft: boolean = true;
/**
* if the value is true ok button is disabled
*/
@Input()
public okDisabled: boolean = false;
/**
* If the value is true, a checkbox option will be appeared on the right side of footer
*/
@Input()
public choice: boolean = false;
/**
* if the value is true then on ok clicked, modal will stay open.
*/
public stayOpen: boolean = false;
/**
* Value will be emitted if @choice is true
*/
public select: boolean = true;
/**
* Emitted when ok button was clicked
* or when Ok method is called.
*/
@Output() public alertOutput: EventEmitter<any> = new EventEmitter();
/**
* Emitted when cancel button was clicked
* or when cancel method is called.
*/
@Output() public cancelOutput: EventEmitter<any> = new EventEmitter();
@ViewChild('element') element: ElementRef;
private subscriptions: any[] = [];
constructor() {
}
ngOnInit() {
AlertModal.MODAL_COUNTER++;
this.id = 'modal-' + AlertModal.MODAL_COUNTER;
}
ngAfterViewInit() {
if(this.element && typeof document !== "undefined") {
this.subscriptions.push(UIkit.util.on(document, 'hide', '#' + this.id, () => {
this.cancelOutput.emit(true);
}));
}
}
ngOnDestroy() {
if(typeof document !== "undefined") {
const element = document.getElementById("modal-container");
for (let i = element.childNodes.length - 1; i >= 0; --i) {
let child: ChildNode = element.childNodes[i];
if (child['id'] == this.id) {
child.remove();
}
}
}
this.subscriptions.forEach(subscription => {
if(subscription instanceof Function) {
subscription();
}
});
}
/**
* Opens an alert window creating backdrop.
*/
open() {
if(typeof UIkit !== "undefined") {
UIkit.modal(this.element.nativeElement).show();
}
}
/**
* ok method closes the modal and emits modalOutput.
*/
ok() {
if (!this.stayOpen && typeof UIkit !== "undefined") {
UIkit.modal(this.element.nativeElement).hide();
}
if (!this.choice) {
this.alertOutput.emit(true);
} else {
this.alertOutput.emit({
value: true,
choice: this.select
});
}
}
/**
* cancel method closes the modal.
*/
cancel() {
if(typeof UIkit !== "undefined") {
UIkit.modal(this.element.nativeElement).hide();
}
}
previous() {
this.cancelOutput.emit();
}
get bodyHeight() {
return (this.bodyElement) ? this.bodyElement.nativeElement.offsetHeight : 0;
}
}