@cloukit/pagination
Version:
210 lines • 16.8 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingReturn,uselessCode} checked by tsc
*/
/*!
* @license MIT
* Copyright (c) 2017 Bernhard Grünewaldt - codeclou.io
* https://github.com/cloukit/legal
*/
import { EventEmitter, Component, Input, Output } from '@angular/core';
import { CloukitThemeService, } from '@cloukit/theme';
import { calculatePaginationItems } from './logic/pagination-helper';
import { PaginationButtonType, PaginationItem } from './pagination.model';
/**
* Pagination Component.
*
* Just use this inside your templates:
*
* ```html
* <cloukit-pagination ...></cloukit-pagination>
* ```
*/
export class CloukitPaginationComponent {
/**
* @param {?} themeService
*/
constructor(themeService) {
this.themeService = themeService;
/**
* External way to disable the whole pagination e.g.
* during loading external data
*/
this.disabled = false;
/**
* Event emitted, when page is clicked.
*/
this.onPageSelect = new EventEmitter();
this.PaginationButtonType = PaginationButtonType;
this.state = {
pages: []
};
this.themeSelected = this.themeService.getComponentTheme('pagination');
}
/**
* @param {?} element
* @return {?}
*/
getStyle(element) {
/** @type {?} */
const style = this.themeSelected.getStyle(element, 'normal', 'base');
return this.themeService.prefixStyle(style);
}
/**
* \@overrides OnChanges
* @hidden
* @return {?}
*/
ngOnChanges() {
if (this.theme !== undefined && this.theme !== null) {
this.themeSelected = this.themeService.getComponentTheme(this.theme);
if (this.themeSelected === null) {
console.log(`WARN: requested theme ${this.theme} does not exist. Falling back to default theme for pagination.`);
this.themeSelected = this.themeService.getComponentTheme('pagination');
}
}
this.state.pages = calculatePaginationItems(this.total, this.current);
}
/**
* @param {?} event
* @return {?}
*/
selectPage(event) {
if (event.type === PaginationButtonType['previous'] &&
this.isPreviousPossible()) {
this.onPageSelect.emit(this.current - 1);
}
else if (event.type === PaginationButtonType['next'] &&
this.isNextPossible()) {
this.onPageSelect.emit(this.current + 1);
}
else if (event.type === PaginationButtonType['normal']) {
this.onPageSelect.emit(event.page);
}
}
/**
* @return {?}
*/
previousDummyPaginationItem() {
/** @type {?} */
let label = 'Prev';
if (this.labelPrev !== undefined && this.labelPrev !== null) {
label = this.labelPrev;
}
return new PaginationItem(-1, false, false, label);
}
/**
* @return {?}
*/
nextDummyPaginationItem() {
/** @type {?} */
let label = 'Next';
if (this.labelNext !== undefined && this.labelNext !== null) {
label = this.labelNext;
}
return new PaginationItem(-1, false, false, label);
}
/**
* @return {?}
*/
isPreviousPossible() {
return this.current > 1;
}
/**
* @return {?}
*/
isNextPossible() {
return this.current < this.total;
}
}
CloukitPaginationComponent.decorators = [
{ type: Component, args: [{
selector: 'cloukit-pagination',
template: `
<div [ngStyle]="getStyle('wrapper').style">
<cloukit-pagination-button
[disabled]="!isPreviousPossible() || disabled"
[paginationItem]="previousDummyPaginationItem()"
[themeSelected]="themeSelected"
[type]="PaginationButtonType['previous']"
(clicked)="selectPage($event)"
></cloukit-pagination-button>
<cloukit-pagination-button
*ngFor="let page of state.pages"
[disabled]="disabled"
[paginationItem]="page"
[themeSelected]="themeSelected"
[type]="PaginationButtonType['normal']"
(clicked)="selectPage($event)"
></cloukit-pagination-button>
<cloukit-pagination-button
[disabled]="!isNextPossible() || disabled"
[paginationItem]="nextDummyPaginationItem()"
[themeSelected]="themeSelected"
[type]="PaginationButtonType['next']"
(clicked)="selectPage($event)"
></cloukit-pagination-button>
</div>`
}] }
];
/** @nocollapse */
CloukitPaginationComponent.ctorParameters = () => [
{ type: CloukitThemeService }
];
CloukitPaginationComponent.propDecorators = {
theme: [{ type: Input }],
total: [{ type: Input }],
current: [{ type: Input }],
disabled: [{ type: Input }],
labelNext: [{ type: Input }],
labelPrev: [{ type: Input }],
onPageSelect: [{ type: Output }]
};
if (false) {
/**
* Optional theme selector. Only use `theme` when you have registered a valid theme
* via the `CloukitThemeService` from [`\@cloukit/theme`]{\@link https://cloukit.github.io/#/component/theme}.
* @type {?}
*/
CloukitPaginationComponent.prototype.theme;
/**
* Number of total Pages
* @type {?}
*/
CloukitPaginationComponent.prototype.total;
/**
* Current Page
* @type {?}
*/
CloukitPaginationComponent.prototype.current;
/**
* External way to disable the whole pagination e.g.
* during loading external data
* @type {?}
*/
CloukitPaginationComponent.prototype.disabled;
/**
* Optional Label for the "Next" button, defaults to "Next"
* @type {?}
*/
CloukitPaginationComponent.prototype.labelNext;
/**
* Optional Label for the "Previous" button, defaults to "Prev"
* @type {?}
*/
CloukitPaginationComponent.prototype.labelPrev;
/**
* Event emitted, when page is clicked.
* @type {?}
*/
CloukitPaginationComponent.prototype.onPageSelect;
/** @type {?} */
CloukitPaginationComponent.prototype.themeSelected;
/** @type {?} */
CloukitPaginationComponent.prototype.PaginationButtonType;
/** @type {?} */
CloukitPaginationComponent.prototype.state;
/** @type {?} */
CloukitPaginationComponent.prototype.themeService;
}
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Only use `theme` when you have registered a valid theme\n   * via the `CloukitThemeService` from [`@cloukit/theme`]{@link https://cloukit.github.io/#/component/theme}.\n   */\n  @Input()\n  public theme: string;\n\n  /**\n   * Number of total Pages\n   */\n  @Input()\n  public total: number;\n\n  /**\n   * Current Page\n   */\n  @Input()\n  public current: number;\n\n  /**\n   * External way to disable the whole pagination e.g.\n   * during loading external data\n   */\n  @Input()\n  public disabled = false;\n\n  /**\n   * Optional Label for the \"Next\" button, defaults to \"Next\"\n   */\n  @Input()\n  public labelNext: string;\n\n  /**\n   * Optional Label for the \"Previous\" button, defaults to \"Prev\"\n   */\n  @Input()\n  public labelPrev: string;\n\n  /**\n   * Event emitted, when page is clicked.\n   */\n  @Output()\n  // tslint:disable-next-line\n  public onPageSelect: EventEmitter<number> = new EventEmitter();\n\n  // INTERNAL VARIABLES\n  public themeSelected: CloukitComponentTheme;\n  public PaginationButtonType = PaginationButtonType;\n  public state = {\n    pages: []\n  };\n\n  constructor(private themeService: CloukitThemeService) {\n    this.themeSelected = this.themeService.getComponentTheme('pagination');\n  }\n\n  public getStyle(element: string): CloukitStatefulAndModifierAwareElementThemeStyleDefinition {\n    const style = this.themeSelected.getStyle(element, 'normal', 'base');\n    return this.themeService.prefixStyle(style);\n  }\n\n  /**\n   * @overrides OnChanges\n   * @hidden\n   */\n  ngOnChanges() {\n    if (this.theme !== undefined && this.theme !== null) {\n      this.themeSelected = this.themeService.getComponentTheme(this.theme);\n      if (this.themeSelected === null) {\n        console.log(`WARN: requested theme ${this.theme} does not exist. Falling back to default theme for pagination.`);\n        this.themeSelected = this.themeService.getComponentTheme('pagination');\n      }\n    }\n    this.state.pages = calculatePaginationItems(this.total, this.current);\n  }\n\n  selectPage(event: PaginationButtonClickEvent) {\n    if (event.type === PaginationButtonType['previous'] &&\n      this.isPreviousPossible()) {\n      this.onPageSelect.emit(this.current - 1);\n    } else if (event.type === PaginationButtonType['next'] &&\n      this.isNextPossible()) {\n      this.onPageSelect.emit(this.current + 1);\n    } else if (event.type === PaginationButtonType['normal']) {\n      this.onPageSelect.emit(event.page);\n    }\n  }\n\n  previousDummyPaginationItem() {\n    let label = 'Prev';\n    if (this.labelPrev !== undefined && this.labelPrev !== null) {\n      label = this.labelPrev;\n    }\n    return new PaginationItem(-1, false, false, label);\n  }\n\n  nextDummyPaginationItem() {\n    let label = 'Next';\n    if (this.labelNext !== undefined && this.labelNext !== null) {\n      label = this.labelNext;\n    }\n    return new PaginationItem(-1, false, false, label);\n  }\n\n  isPreviousPossible() {\n    return this.current > 1;\n  }\n\n  isNextPossible() {\n    return this.current < this.total;\n  }\n\n}\n\n"]}