ngx-bootstrap
Version:
Native Angular Bootstrap Components
350 lines • 28.2 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Component, HostBinding, Input, Renderer2, ElementRef } from '@angular/core';
import { TabsetConfig } from './tabset.config';
// todo: add active event to tab
// todo: fix? mixing static and dynamic tabs position tabs in order of creation
export class TabsetComponent {
/**
* @param {?} config
* @param {?} renderer
* @param {?} elementRef
*/
constructor(config, renderer, elementRef) {
this.renderer = renderer;
this.elementRef = elementRef;
this.clazz = true;
this.tabs = [];
this.classMap = {};
Object.assign(this, config);
}
/**
* if true tabs will be placed vertically
* @return {?}
*/
get vertical() {
return this._vertical;
}
/**
* @param {?} value
* @return {?}
*/
set vertical(value) {
this._vertical = value;
this.setClassMap();
}
/**
* if true tabs fill the container and have a consistent width
* @return {?}
*/
get justified() {
return this._justified;
}
/**
* @param {?} value
* @return {?}
*/
set justified(value) {
this._justified = value;
this.setClassMap();
}
/**
* navigation context class: 'tabs' or 'pills'
* @return {?}
*/
get type() {
return this._type;
}
/**
* @param {?} value
* @return {?}
*/
set type(value) {
this._type = value;
this.setClassMap();
}
/**
* @return {?}
*/
get isKeysAllowed() {
return this._isKeysAllowed;
}
/**
* @param {?} value
* @return {?}
*/
set isKeysAllowed(value) {
this._isKeysAllowed = value;
}
/**
* @return {?}
*/
ngOnDestroy() {
this.isDestroyed = true;
}
/**
* @param {?} tab
* @return {?}
*/
addTab(tab) {
this.tabs.push(tab);
tab.active = this.tabs.length === 1 && typeof tab.active === 'undefined';
}
/**
* @param {?} tab
* @param {?=} options
* @return {?}
*/
removeTab(tab, options = { reselect: true, emit: true }) {
/** @type {?} */
const index = this.tabs.indexOf(tab);
if (index === -1 || this.isDestroyed) {
return;
}
// Select a new tab if the tab to be removed is selected and not destroyed
if (options.reselect && tab.active && this.hasAvailableTabs(index)) {
/** @type {?} */
const newActiveIndex = this.getClosestTabIndex(index);
this.tabs[newActiveIndex].active = true;
}
if (options.emit) {
tab.removed.emit(tab);
}
this.tabs.splice(index, 1);
if (tab.elementRef.nativeElement.parentNode) {
this.renderer.removeChild(tab.elementRef.nativeElement.parentNode, tab.elementRef.nativeElement);
}
}
/* tslint:disable-next-line: cyclomatic-complexity */
/**
* @param {?} event
* @param {?} index
* @return {?}
*/
keyNavActions(event, index) {
if (!this.isKeysAllowed) {
return;
}
/** @type {?} */
const list = Array.from(this.elementRef.nativeElement.querySelectorAll('.nav-link'));
// const activeElList = list.filter((el: HTMLElement) => !el.classList.contains('disabled'));
// tslint:disable-next-line:deprecation
if (event.keyCode === 13 || event.key === 'Enter' || event.keyCode === 32 || event.key === 'Space') {
event.preventDefault();
/** @type {?} */
const currentTab = list[(index) % list.length];
currentTab.click();
return;
}
// tslint:disable-next-line:deprecation
if (event.keyCode === 39 || event.key === 'RightArrow') {
/** @type {?} */
let nextTab;
/** @type {?} */
let shift = 1;
do {
nextTab = list[(index + shift) % list.length];
shift++;
} while (nextTab.classList.contains('disabled'));
nextTab.focus();
return;
}
// tslint:disable-next-line:deprecation
if (event.keyCode === 37 || event.key === 'LeftArrow') {
/** @type {?} */
let previousTab;
/** @type {?} */
let shift = 1;
/** @type {?} */
let i = index;
do {
if ((i - shift) < 0) {
i = list.length - 1;
previousTab = list[i];
shift = 0;
}
else {
previousTab = list[i - shift];
}
shift++;
} while (previousTab.classList.contains('disabled'));
previousTab.focus();
return;
}
// tslint:disable-next-line:deprecation
if (event.keyCode === 36 || event.key === 'Home') {
event.preventDefault();
/** @type {?} */
let firstTab;
/** @type {?} */
let shift = 0;
do {
firstTab = list[shift % list.length];
shift++;
} while (firstTab.classList.contains('disabled'));
firstTab.focus();
return;
}
// tslint:disable-next-line:deprecation
if (event.keyCode === 35 || event.key === 'End') {
event.preventDefault();
/** @type {?} */
let lastTab;
/** @type {?} */
let shift = 1;
/** @type {?} */
let i = index;
do {
if ((i - shift) < 0) {
i = list.length - 1;
lastTab = list[i];
shift = 0;
}
else {
lastTab = list[i - shift];
}
shift++;
} while (lastTab.classList.contains('disabled'));
lastTab.focus();
return;
}
// tslint:disable-next-line:deprecation
if (event.keyCode === 46 || event.key === 'Delete') {
if (this.tabs[index].removable) {
this.removeTab(this.tabs[index]);
if (list[index + 1]) {
list[(index + 1) % list.length].focus();
return;
}
if (list[list.length - 1]) {
list[0].focus();
}
}
}
}
/**
* @protected
* @param {?} index
* @return {?}
*/
getClosestTabIndex(index) {
/** @type {?} */
const tabsLength = this.tabs.length;
if (!tabsLength) {
return -1;
}
for (let step = 1; step <= tabsLength; step += 1) {
/** @type {?} */
const prevIndex = index - step;
/** @type {?} */
const nextIndex = index + step;
if (this.tabs[prevIndex] && !this.tabs[prevIndex].disabled) {
return prevIndex;
}
if (this.tabs[nextIndex] && !this.tabs[nextIndex].disabled) {
return nextIndex;
}
}
return -1;
}
/**
* @protected
* @param {?} index
* @return {?}
*/
hasAvailableTabs(index) {
/** @type {?} */
const tabsLength = this.tabs.length;
if (!tabsLength) {
return false;
}
for (let i = 0; i < tabsLength; i += 1) {
if (!this.tabs[i].disabled && i !== index) {
return true;
}
}
return false;
}
/**
* @protected
* @return {?}
*/
setClassMap() {
this.classMap = {
'nav-stacked': this.vertical,
'flex-column': this.vertical,
'nav-justified': this.justified,
[`nav-${this.type}`]: true
};
}
}
TabsetComponent.decorators = [
{ type: Component, args: [{
selector: 'tabset',
template: "<ul class=\"nav\" [ngClass]=\"classMap\"\n (click)=\"$event.preventDefault()\"\n [attr.aria-label]=\"ariaLabel\"\n role=\"tablist\">\n <li *ngFor=\"let tabz of tabs; let i = index\" [ngClass]=\"['nav-item', tabz.customClass || '']\"\n [class.active]=\"tabz.active\" [class.disabled]=\"tabz.disabled\" (keydown)=\"keyNavActions($event, i)\">\n <a href=\"javascript:void(0);\" class=\"nav-link\" role=\"tab\"\n [attr.aria-controls]=\"tabz.id ? tabz.id : ''\"\n [attr.aria-selected]=\"!!tabz.active\"\n [attr.id]=\"tabz.id ? tabz.id + '-link' : ''\"\n [class.active]=\"tabz.active\" [class.disabled]=\"tabz.disabled\"\n (click)=\"tabz.active = true\">\n <span [ngTransclude]=\"tabz.headingRef\">{{ tabz.heading }}</span>\n <span *ngIf=\"tabz.removable\" (click)=\"$event.preventDefault(); removeTab(tabz);\" class=\"bs-remove-tab\"> ❌</span>\n </a>\n </li>\n</ul>\n<div class=\"tab-content\">\n <ng-content></ng-content>\n</div>\n",
styles: [":host .nav-tabs .nav-item.disabled a.disabled{cursor:default}"]
}] }
];
/** @nocollapse */
TabsetComponent.ctorParameters = () => [
{ type: TabsetConfig },
{ type: Renderer2 },
{ type: ElementRef }
];
TabsetComponent.propDecorators = {
vertical: [{ type: Input }],
justified: [{ type: Input }],
type: [{ type: Input }],
clazz: [{ type: HostBinding, args: ['class.tab-container',] }]
};
if (false) {
/** @type {?} */
TabsetComponent.prototype.clazz;
/** @type {?} */
TabsetComponent.prototype.tabs;
/** @type {?} */
TabsetComponent.prototype.classMap;
/**
* aria label for tab list
* @type {?}
*/
TabsetComponent.prototype.ariaLabel;
/**
* @type {?}
* @protected
*/
TabsetComponent.prototype.isDestroyed;
/**
* @type {?}
* @protected
*/
TabsetComponent.prototype._vertical;
/**
* @type {?}
* @protected
*/
TabsetComponent.prototype._justified;
/**
* @type {?}
* @protected
*/
TabsetComponent.prototype._type;
/**
* @type {?}
* @protected
*/
TabsetComponent.prototype._isKeysAllowed;
/**
* @type {?}
* @private
*/
TabsetComponent.prototype.renderer;
/**
* @type {?}
* @private
*/
TabsetComponent.prototype.elementRef;
}
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{ Component, HostBinding, Input, OnDestroy, Renderer2, ElementRef } from '@angular/core';\n\nimport { TabDirective } from './tab.directive';\nimport { TabsetConfig } from './tabset.config';\n// todo: add active event to tab\n// todo: fix? mixing static and dynamic tabs position tabs in order of creation\n@Component({\n  selector: 'tabset',\n  templateUrl: './tabset.component.html',\n  styleUrls: ['./tabs.scss']\n})\nexport class TabsetComponent implements OnDestroy {\n  /** if true tabs will be placed vertically */\n  @Input()\n  get vertical(): boolean {\n    return this._vertical;\n  }\n  set vertical(value: boolean) {\n    this._vertical = value;\n    this.setClassMap();\n  }\n\n  /** if true tabs fill the container and have a consistent width */\n  @Input()\n  get justified(): boolean {\n    return this._justified;\n  }\n  set justified(value: boolean) {\n    this._justified = value;\n    this.setClassMap();\n  }\n\n  /** navigation context class: 'tabs' or 'pills' */\n  @Input()\n  get type(): string {\n    return this._type;\n  }\n  set type(value: string) {\n    this._type = value;\n    this.setClassMap();\n  }\n\n  get isKeysAllowed(): boolean {\n    return this._isKeysAllowed;\n  }\n\n  set isKeysAllowed(value: boolean) {\n    this._isKeysAllowed = value;\n  }\n\n\n  @HostBinding('class.tab-container') clazz = true;\n\n  tabs: TabDirective[] = [];\n  classMap: { [key: string]: boolean } = {};\n\n  /** aria label for tab list */\n  ariaLabel: string;\n\n  protected isDestroyed: boolean;\n  protected _vertical: boolean;\n  protected _justified: boolean;\n  protected _type: string;\n  protected _isKeysAllowed: boolean;\n\n  constructor(\n    config: TabsetConfig,\n    private renderer: Renderer2,\n    private elementRef: ElementRef\n  ) {\n    Object.assign(this, config);\n  }\n\n  ngOnDestroy(): void {\n    this.isDestroyed = true;\n  }\n\n  addTab(tab: TabDirective): void {\n    this.tabs.push(tab);\n    tab.active = this.tabs.length === 1 && typeof tab.active === 'undefined';\n  }\n\n  removeTab(\n    tab: TabDirective,\n    options = { reselect: true, emit: true }\n  ): void {\n    const index = this.tabs.indexOf(tab);\n    if (index === -1 || this.isDestroyed) {\n      return;\n    }\n    // Select a new tab if the tab to be removed is selected and not destroyed\n    if (options.reselect && tab.active && this.hasAvailableTabs(index)) {\n      const newActiveIndex = this.getClosestTabIndex(index);\n      this.tabs[newActiveIndex].active = true;\n    }\n    if (options.emit) {\n      tab.removed.emit(tab);\n    }\n    this.tabs.splice(index, 1);\n    if (tab.elementRef.nativeElement.parentNode) {\n      this.renderer.removeChild(\n        tab.elementRef.nativeElement.parentNode,\n        tab.elementRef.nativeElement\n      );\n    }\n  }\n\n  /* tslint:disable-next-line: cyclomatic-complexity */\n  keyNavActions(event: KeyboardEvent, index: number) {\n    if (!this.isKeysAllowed) {\n      return;\n    }\n    const list: HTMLElement[] = Array.from(this.elementRef.nativeElement.querySelectorAll('.nav-link'));\n    // const activeElList = list.filter((el: HTMLElement) => !el.classList.contains('disabled'));\n\n    // tslint:disable-next-line:deprecation\n    if (event.keyCode === 13 || event.key === 'Enter' || event.keyCode === 32 || event.key === 'Space') {\n      event.preventDefault();\n      const currentTab = list[(index) % list.length];\n      currentTab.click();\n\n      return;\n    }\n\n    // tslint:disable-next-line:deprecation\n    if (event.keyCode === 39 || event.key === 'RightArrow') {\n      let nextTab: any;\n      let shift = 1;\n\n      do {\n        nextTab = list[(index + shift) % list.length];\n\n        shift++;\n      } while (nextTab.classList.contains('disabled'));\n\n      nextTab.focus();\n\n      return;\n    }\n\n    // tslint:disable-next-line:deprecation\n    if (event.keyCode === 37 || event.key === 'LeftArrow') {\n      let previousTab: any;\n      let shift = 1;\n      let i = index;\n\n      do {\n        if ((i - shift) < 0) {\n          i = list.length - 1;\n          previousTab = list[i];\n          shift = 0;\n        } else {\n          previousTab = list[i - shift];\n        }\n\n        shift++;\n      } while (previousTab.classList.contains('disabled'));\n\n      previousTab.focus();\n\n      return;\n    }\n\n    // tslint:disable-next-line:deprecation\n    if (event.keyCode === 36 || event.key === 'Home') {\n      event.preventDefault();\n\n      let firstTab: any;\n      let shift = 0;\n\n      do {\n        firstTab = list[shift % list.length];\n\n        shift++;\n      } while (firstTab.classList.contains('disabled'));\n\n      firstTab.focus();\n\n      return;\n    }\n\n    // tslint:disable-next-line:deprecation\n    if (event.keyCode === 35 || event.key === 'End') {\n      event.preventDefault();\n\n      let lastTab: any;\n      let shift = 1;\n      let i = index;\n\n      do {\n        if ((i - shift) < 0) {\n          i = list.length - 1;\n          lastTab = list[i];\n          shift = 0;\n        } else {\n          lastTab = list[i - shift];\n        }\n\n        shift++;\n      } while (lastTab.classList.contains('disabled'));\n\n      lastTab.focus();\n\n      return;\n    }\n\n    // tslint:disable-next-line:deprecation\n    if (event.keyCode === 46 || event.key === 'Delete') {\n      if (this.tabs[index].removable) {\n        this.removeTab(this.tabs[index]);\n\n        if (list[index + 1]) {\n          list[(index + 1) % list.length].focus();\n\n          return;\n        }\n\n        if (list[list.length - 1]) {\n          list[0].focus();\n        }\n      }\n    }\n  }\n\n  protected getClosestTabIndex(index: number): number {\n    const tabsLength = this.tabs.length;\n    if (!tabsLength) {\n      return -1;\n    }\n\n    for (let step = 1; step <= tabsLength; step += 1) {\n      const prevIndex = index - step;\n      const nextIndex = index + step;\n      if (this.tabs[prevIndex] && !this.tabs[prevIndex].disabled) {\n        return prevIndex;\n      }\n      if (this.tabs[nextIndex] && !this.tabs[nextIndex].disabled) {\n        return nextIndex;\n      }\n    }\n\n    return -1;\n  }\n\n  protected hasAvailableTabs(index: number): boolean {\n    const tabsLength = this.tabs.length;\n    if (!tabsLength) {\n      return false;\n    }\n\n    for (let i = 0; i < tabsLength; i += 1) {\n      if (!this.tabs[i].disabled && i !== index) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  protected setClassMap(): void {\n    this.classMap = {\n      'nav-stacked': this.vertical,\n      'flex-column': this.vertical,\n      'nav-justified': this.justified,\n      [`nav-${this.type}`]: true\n    };\n  }\n}\n"]}