fundamental-ngx
Version:
SAP Fundamentals, implemented in Angular
198 lines • 15.8 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Component, EventEmitter, Input, Output, ViewEncapsulation } from '@angular/core';
import { PaginationService } from './pagination.service';
/**
* The component that is used to provide navigation between paged information.
* ```html
* <fd-pagination
* [totalItems]="50"
* [itemsPerPage]="10"
* [currentPage]="3">
* </fd-pagination>
* ```
*/
export class PaginationComponent {
/**
* @hidden
* @param {?} paginationService
*/
constructor(paginationService) {
this.paginationService = paginationService;
/**
* Whether to display the total number of items.
*/
this.displayTotalItems = true;
/**
* The text appended to the total number of items.
* The default text is set to 'items'
*/
this.displayText = 'items';
/**
* Label for the 'previous' page button.
*/
this.previousLabel = 'Previous';
/**
* Label for the 'next' page button.
*/
this.nextLabel = 'Next';
/**
* Event fired when the page is changed.
*/
this.pageChangeStart = new EventEmitter();
}
/**
* @hidden
* @param {?} changes
* @return {?}
*/
ngOnChanges(changes) {
if (changes && changes.currentPage) {
this.currentPage = changes.currentPage.currentValue;
}
this.pages = this.paginationService.getPages(this.getPaginationObject());
/** @type {?} */
const totalPages = this.paginationService.getTotalPages(this.getPaginationObject());
if (!this.currentPage || this.currentPage < 1) {
this.currentPage = 1;
}
else if (this.currentPage > totalPages) {
this.currentPage = totalPages;
}
}
/**
* Checks if the current page is the last page.
* @return {?}
*/
isLastPage() {
return this.currentPage === this.paginationService.getTotalPages(this.getPaginationObject());
}
/**
* Navigates to a specific page when the user presses 'Space' or 'Enter' key.
* @param {?} page The number of the page.
* @param {?} $event The keyboard event.
* @return {?}
*/
onKeypressHandler(page, $event) {
if ($event.code === 'Space' || $event.code === 'Enter') {
$event.preventDefault();
this.goToPage(page);
}
}
/**
* Navigates to a specific page.
* @param {?} page The number of the page to navigate to.
* @param {?=} $event The mouse event (optional).
* @return {?}
*/
goToPage(page, $event) {
if ($event) {
$event.preventDefault();
}
if (page > this.paginationService.getTotalPages(this.getPaginationObject()) || page < 1) {
return;
}
this.pages = this.paginationService.getPages(this.getPaginationObject());
this.pageChangeStart.emit(page);
}
/**
* Retrieves an object that represents
* the total number of items, the current page, and the number of items per page.
* @return {?}
*/
getPaginationObject() {
/** @type {?} */
const retVal = {
totalItems: this.totalItems,
currentPage: this.currentPage,
itemsPerPage: this.itemsPerPage
};
return retVal;
}
}
PaginationComponent.decorators = [
{ type: Component, args: [{
selector: 'fd-pagination',
template: "<span class=\"fd-pagination__total\" *ngIf=\"displayTotalItems && totalItems\">{{ totalItems }} {{displayText}}</span>\n<nav class=\"fd-pagination__nav\" *ngIf=\"totalItems && totalItems >= itemsPerPage\">\n <a class=\"fd-pagination__link fd-pagination__link--previous\"\n tabindex=\"0\"\n role=\"button\"\n [attr.aria-label]=\"previousLabel\"\n [attr.aria-disabled]=\"currentPage === 1 ? true : null\"\n (keypress)=\"onKeypressHandler(currentPage - 1, $event)\"\n (click)=\"goToPage(currentPage - 1)\">\n </a>\n <ng-container *ngFor=\"let page of pages\">\n <a class=\"fd-pagination__link\"\n tabindex=\"0\"\n role=\"button\"\n (keypress)=\"onKeypressHandler(page, $event)\"\n (click)=\"goToPage(page, $event)\"\n *ngIf=\"page !== -1; else more\"\n [attr.aria-selected]=\"currentPage === page\">{{page}}</a>\n <ng-template #more>\n <span class=\"fd-pagination__link fd-pagination__link--more\"\n aria-hidden=\"true\"\n aria-label=\"...\"\n role=\"presentation\"></span>\n </ng-template>\n </ng-container>\n <a class=\"fd-pagination__link fd-pagination__link--next\"\n [attr.aria-label]=\"nextLabel\"\n tabindex=\"0\"\n role=\"button\"\n [attr.aria-disabled]=\"isLastPage()\"\n (keypress)=\"onKeypressHandler(currentPage + 1, $event)\"\n (click)=\"goToPage(currentPage + 1)\">\n </a>\n</nav>\n",
providers: [PaginationService],
host: {
class: 'fd-pagination'
},
encapsulation: ViewEncapsulation.None,
styles: [`
.fd-pagination a {
cursor: pointer;
}
`]
}] }
];
/** @nocollapse */
PaginationComponent.ctorParameters = () => [
{ type: PaginationService }
];
PaginationComponent.propDecorators = {
totalItems: [{ type: Input }],
currentPage: [{ type: Input }],
itemsPerPage: [{ type: Input }],
displayTotalItems: [{ type: Input }],
displayText: [{ type: Input }],
previousLabel: [{ type: Input }],
nextLabel: [{ type: Input }],
pageChangeStart: [{ type: Output }]
};
if (false) {
/**
* Represents the total number of items.
* @type {?}
*/
PaginationComponent.prototype.totalItems;
/**
* Represents the current page number.
* @type {?}
*/
PaginationComponent.prototype.currentPage;
/**
* Represents the number of items per page.
* @type {?}
*/
PaginationComponent.prototype.itemsPerPage;
/**
* Whether to display the total number of items.
* @type {?}
*/
PaginationComponent.prototype.displayTotalItems;
/**
* The text appended to the total number of items.
* The default text is set to 'items'
* @type {?}
*/
PaginationComponent.prototype.displayText;
/**
* Label for the 'previous' page button.
* @type {?}
*/
PaginationComponent.prototype.previousLabel;
/**
* Label for the 'next' page button.
* @type {?}
*/
PaginationComponent.prototype.nextLabel;
/**
* Event fired when the page is changed.
* @type {?}
*/
PaginationComponent.prototype.pageChangeStart;
/**
* @hidden
* @type {?}
*/
PaginationComponent.prototype.pages;
/**
* @type {?}
* @private
*/
PaginationComponent.prototype.paginationService;
}
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{ Component, EventEmitter, Input, OnChanges, Output, SimpleChanges, ViewEncapsulation } from '@angular/core';\nimport { PaginationService } from './pagination.service';\n\n/**\n * The component that is used to provide navigation between paged information.\n * ```html\n * <fd-pagination \n *          [totalItems]=\"50\" \n *          [itemsPerPage]=\"10\" \n *          [currentPage]=\"3\">\n * </fd-pagination>\n * ```\n */\n@Component({\n    selector: 'fd-pagination',\n    templateUrl: './pagination.component.html',\n    providers: [PaginationService],\n    host: {\n        class: 'fd-pagination'\n    },\n    styles: [`\n        .fd-pagination a {\n            cursor: pointer;\n        }\n    `],\n    encapsulation: ViewEncapsulation.None\n})\nexport class PaginationComponent implements OnChanges {\n    /** Represents the total number of items. */\n    @Input()\n    totalItems: number;\n    \n    /** Represents the current page number. */\n    @Input()\n    currentPage: number;\n    \n    /** Represents the number of items per page. */\n    @Input()\n    itemsPerPage: number;\n\n    /** Whether to display the total number of items. */\n    @Input()\n    displayTotalItems: boolean = true;\n    \n    /** \n     * The text appended to the total number of items. \n     * The default text is set to 'items' \n     */\n    @Input()\n    displayText: string = 'items';\n\n    /** Label for the 'previous' page button. */\n    @Input()\n    previousLabel: string = 'Previous';\n\n    /** Label for the 'next' page button. */\n    @Input()\n    nextLabel: string = 'Next';\n\n    /** Event fired when the page is changed. */\n    @Output()\n    pageChangeStart = new EventEmitter<number>();\n\n    /** @hidden */\n    pages: number[];\n\n    /** @hidden */\n    constructor(private paginationService: PaginationService) {}\n\n    /** @hidden */\n    ngOnChanges(changes: SimpleChanges) {\n        if (changes && changes.currentPage) {\n            this.currentPage = changes.currentPage.currentValue;\n        }\n        this.pages = this.paginationService.getPages(this.getPaginationObject());\n        const totalPages = this.paginationService.getTotalPages(this.getPaginationObject());\n        if (!this.currentPage || this.currentPage < 1) {\n            this.currentPage = 1;\n        } else if (this.currentPage > totalPages) {\n            this.currentPage = totalPages;\n        }\n    }\n\n    /**\n     * Checks if the current page is the last page.\n     */\n    isLastPage(): boolean {\n        return this.currentPage === this.paginationService.getTotalPages(this.getPaginationObject());\n    }\n\n    /**\n     * Navigates to a specific page when the user presses 'Space' or 'Enter' key.\n     * @param page The number of the page.\n     * @param $event The keyboard event.\n     */\n    onKeypressHandler(page: number, $event: KeyboardEvent) {\n        if ($event.code === 'Space' || $event.code === 'Enter') {\n            $event.preventDefault();\n            this.goToPage(page);\n        }\n    }\n\n    /**\n     * Navigates to a specific page.\n     * @param page The number of the page to navigate to.\n     * @param $event The mouse event (optional).\n     */\n    goToPage(page: number, $event?: MouseEvent) {\n        if ($event) {\n            $event.preventDefault();\n        }\n        if (page > this.paginationService.getTotalPages(this.getPaginationObject()) || page < 1) {\n            return;\n        }\n        this.pages = this.paginationService.getPages(this.getPaginationObject());\n        this.pageChangeStart.emit(page);\n    }\n\n    /**\n     * Retrieves an object that represents \n     * the total number of items, the current page, and the number of items per page.\n     */\n    getPaginationObject() {\n        const retVal = {\n            totalItems: this.totalItems,\n            currentPage: this.currentPage,\n            itemsPerPage: this.itemsPerPage\n        };\n        return retVal;\n    }\n}\n"]}