ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
1,327 lines (1,314 loc) • 62.4 kB
JavaScript
import { Component, ElementRef, Input, Directive, NgZone, Optional, Inject, TemplateRef, Host, Self, InjectionToken, EventEmitter, ViewEncapsulation, ChangeDetectionStrategy, Output, ContentChild, ViewChild, ChangeDetectorRef, ContentChildren, QueryList, NgModule } from '@angular/core';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import { reqAnimFrame } from 'ng-zorro-antd/core/polyfill';
import { FocusKeyManager, A11yModule } from '@angular/cdk/a11y';
import { Directionality, BidiModule } from '@angular/cdk/bidi';
import { coerceNumberProperty } from '@angular/cdk/coercion';
import { hasModifierKey, SPACE, ENTER, DOWN_ARROW, RIGHT_ARROW, UP_ARROW, LEFT_ARROW } from '@angular/cdk/keycodes';
import { ViewportRuler } from '@angular/cdk/overlay';
import { Subject, animationFrameScheduler, asapScheduler, of, merge, fromEvent, Subscription } from 'rxjs';
import { takeUntil, auditTime, startWith, first, filter, delay } from 'rxjs/operators';
import { NzResizeObserver } from 'ng-zorro-antd/core/resize-observers';
import { __decorate, __metadata } from 'tslib';
import { InputBoolean, wrapIntoObservable } from 'ng-zorro-antd/core/util';
import { RouterLink, RouterLinkWithHref, NavigationEnd, Router } from '@angular/router';
import { ObserversModule } from '@angular/cdk/observers';
import { PlatformModule } from '@angular/cdk/platform';
import { CdkScrollableModule } from '@angular/cdk/scrolling';
import { CommonModule } from '@angular/common';
import { NzOutletModule } from 'ng-zorro-antd/core/outlet';
import { NzDropDownModule } from 'ng-zorro-antd/dropdown';
import { NzIconModule } from 'ng-zorro-antd/icon';
import { NzConfigService, WithConfig } from 'ng-zorro-antd/core/config';
import { PREFIX } from 'ng-zorro-antd/core/logger';
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
class NzTabAddButtonComponent {
constructor(elementRef) {
this.elementRef = elementRef;
this.addIcon = 'plus';
this.element = this.elementRef.nativeElement;
}
getElementWidth() {
var _a;
return ((_a = this.element) === null || _a === void 0 ? void 0 : _a.offsetWidth) || 0;
}
getElementHeight() {
var _a;
return ((_a = this.element) === null || _a === void 0 ? void 0 : _a.offsetHeight) || 0;
}
}
NzTabAddButtonComponent.decorators = [
{ type: Component, args: [{
selector: 'nz-tab-add-button, button[nz-tab-add-button]',
template: `
<ng-container *nzStringTemplateOutlet="addIcon; let icon">
<i nz-icon [nzType]="icon" nzTheme="outline"></i>
</ng-container>
`,
host: {
class: 'ant-tabs-nav-add',
'aria-label': 'Add tab',
type: 'button'
}
},] }
];
NzTabAddButtonComponent.ctorParameters = () => [
{ type: ElementRef }
];
NzTabAddButtonComponent.propDecorators = {
addIcon: [{ type: Input }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
class NzTabsInkBarDirective {
constructor(elementRef, ngZone, animationMode) {
this.elementRef = elementRef;
this.ngZone = ngZone;
this.animationMode = animationMode;
this.position = 'horizontal';
this.animated = true;
}
get _animated() {
return this.animationMode !== 'NoopAnimations' && this.animated;
}
alignToElement(element) {
this.ngZone.runOutsideAngular(() => {
reqAnimFrame(() => this.setStyles(element));
});
}
setStyles(element) {
const inkBar = this.elementRef.nativeElement;
if (this.position === 'horizontal') {
inkBar.style.top = '';
inkBar.style.height = '';
inkBar.style.left = this.getLeftPosition(element);
inkBar.style.width = this.getElementWidth(element);
}
else {
inkBar.style.left = '';
inkBar.style.width = '';
inkBar.style.top = this.getTopPosition(element);
inkBar.style.height = this.getElementHeight(element);
}
}
getLeftPosition(element) {
return element ? (element.offsetLeft || 0) + 'px' : '0';
}
getElementWidth(element) {
return element ? (element.offsetWidth || 0) + 'px' : '0';
}
getTopPosition(element) {
return element ? (element.offsetTop || 0) + 'px' : '0';
}
getElementHeight(element) {
return element ? (element.offsetHeight || 0) + 'px' : '0';
}
}
NzTabsInkBarDirective.decorators = [
{ type: Directive, args: [{
selector: 'nz-tabs-ink-bar, [nz-tabs-ink-bar]',
host: {
class: 'ant-tabs-ink-bar',
'[class.ant-tabs-ink-bar-animated]': '_animated'
}
},] }
];
NzTabsInkBarDirective.ctorParameters = () => [
{ type: ElementRef },
{ type: NgZone },
{ type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }
];
NzTabsInkBarDirective.propDecorators = {
position: [{ type: Input }],
animated: [{ type: Input }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
/**
* Fix https://github.com/angular/angular/issues/8563
*/
class NzTabLinkTemplateDirective {
constructor(templateRef) {
this.templateRef = templateRef;
}
}
NzTabLinkTemplateDirective.decorators = [
{ type: Directive, args: [{
selector: 'ng-template[nzTabLink]',
exportAs: 'nzTabLinkTemplate'
},] }
];
NzTabLinkTemplateDirective.ctorParameters = () => [
{ type: TemplateRef, decorators: [{ type: Host }] }
];
/**
* This component is for catching `routerLink` directive.
*/
class NzTabLinkDirective {
constructor(elementRef, routerLink, routerLinkWithHref) {
this.elementRef = elementRef;
this.routerLink = routerLink;
this.routerLinkWithHref = routerLinkWithHref;
}
}
NzTabLinkDirective.decorators = [
{ type: Directive, args: [{
selector: 'a[nz-tab-link]',
exportAs: 'nzTabLink'
},] }
];
NzTabLinkDirective.ctorParameters = () => [
{ type: ElementRef },
{ type: RouterLink, decorators: [{ type: Optional }, { type: Self }] },
{ type: RouterLinkWithHref, decorators: [{ type: Optional }, { type: Self }] }
];
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
/** Decorates the `ng-template` tags and reads out the template from it. */
class NzTabDirective {
}
NzTabDirective.decorators = [
{ type: Directive, args: [{
selector: '[nz-tab]',
exportAs: 'nzTab'
},] }
];
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
/**
* Used to provide a tab set to a tab without causing a circular dependency.
*/
const NZ_TAB_SET = new InjectionToken('NZ_TAB_SET');
class NzTabComponent {
constructor(closestTabSet) {
this.closestTabSet = closestTabSet;
this.nzTitle = '';
this.nzClosable = false;
this.nzCloseIcon = 'close';
this.nzDisabled = false;
this.nzForceRender = false;
this.nzSelect = new EventEmitter();
this.nzDeselect = new EventEmitter();
this.nzClick = new EventEmitter();
this.nzContextmenu = new EventEmitter();
this.template = null;
this.isActive = false;
this.position = null;
this.origin = null;
this.stateChanges = new Subject();
}
get content() {
return this.template || this.contentTemplate;
}
get label() {
var _a;
return this.nzTitle || ((_a = this.nzTabLinkTemplateDirective) === null || _a === void 0 ? void 0 : _a.templateRef);
}
ngOnChanges(changes) {
const { nzTitle, nzDisabled, nzForceRender } = changes;
if (nzTitle || nzDisabled || nzForceRender) {
this.stateChanges.next();
}
}
ngOnDestroy() {
this.stateChanges.complete();
}
}
NzTabComponent.decorators = [
{ type: Component, args: [{
selector: 'nz-tab',
exportAs: 'nzTab',
preserveWhitespaces: false,
encapsulation: ViewEncapsulation.None,
changeDetection: ChangeDetectionStrategy.OnPush,
template: `
<ng-template #tabLinkTemplate>
<ng-content select="[nz-tab-link]"></ng-content>
</ng-template>
<ng-template #contentTemplate><ng-content></ng-content></ng-template>
`
},] }
];
NzTabComponent.ctorParameters = () => [
{ type: undefined, decorators: [{ type: Inject, args: [NZ_TAB_SET,] }] }
];
NzTabComponent.propDecorators = {
nzTitle: [{ type: Input }],
nzClosable: [{ type: Input }],
nzCloseIcon: [{ type: Input }],
nzDisabled: [{ type: Input }],
nzForceRender: [{ type: Input }],
nzSelect: [{ type: Output }],
nzDeselect: [{ type: Output }],
nzClick: [{ type: Output }],
nzContextmenu: [{ type: Output }],
nzTabLinkTemplateDirective: [{ type: ContentChild, args: [NzTabLinkTemplateDirective, { static: false },] }],
template: [{ type: ContentChild, args: [NzTabDirective, { static: false, read: TemplateRef },] }],
linkDirective: [{ type: ContentChild, args: [NzTabLinkDirective, { static: false },] }],
contentTemplate: [{ type: ViewChild, args: ['contentTemplate', { static: true },] }]
};
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzTabComponent.prototype, "nzClosable", void 0);
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzTabComponent.prototype, "nzDisabled", void 0);
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzTabComponent.prototype, "nzForceRender", void 0);
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
class NzTabNavItemDirective {
constructor(elementRef) {
this.elementRef = elementRef;
this.disabled = false;
this.active = false;
this.el = elementRef.nativeElement;
this.parentElement = this.el.parentElement;
}
focus() {
this.el.focus();
}
get width() {
return this.parentElement.offsetWidth;
}
get height() {
return this.parentElement.offsetHeight;
}
get left() {
return this.parentElement.offsetLeft;
}
get top() {
return this.parentElement.offsetTop;
}
}
NzTabNavItemDirective.decorators = [
{ type: Directive, args: [{
selector: '[nzTabNavItem]'
},] }
];
NzTabNavItemDirective.ctorParameters = () => [
{ type: ElementRef }
];
NzTabNavItemDirective.propDecorators = {
disabled: [{ type: Input }],
tab: [{ type: Input }],
active: [{ type: Input }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
class NzTabNavOperationComponent {
constructor(cdr, elementRef) {
this.cdr = cdr;
this.elementRef = elementRef;
this.items = [];
this.addable = false;
this.addIcon = 'plus';
this.addClicked = new EventEmitter();
this.selected = new EventEmitter();
this.closeAnimationWaitTimeoutId = -1;
this.menuOpened = false;
this.element = this.elementRef.nativeElement;
}
onSelect(item) {
if (!item.disabled) {
// ignore nzCanDeactivate
item.tab.nzClick.emit();
this.selected.emit(item);
}
}
onContextmenu(item, e) {
if (!item.disabled) {
item.tab.nzContextmenu.emit(e);
}
}
showItems() {
clearTimeout(this.closeAnimationWaitTimeoutId);
this.menuOpened = true;
this.cdr.markForCheck();
}
menuVisChange(visible) {
if (!visible) {
this.closeAnimationWaitTimeoutId = setTimeout(() => {
this.menuOpened = false;
this.cdr.markForCheck();
}, 150);
}
}
getElementWidth() {
var _a;
return ((_a = this.element) === null || _a === void 0 ? void 0 : _a.offsetWidth) || 0;
}
getElementHeight() {
var _a;
return ((_a = this.element) === null || _a === void 0 ? void 0 : _a.offsetHeight) || 0;
}
ngOnDestroy() {
clearTimeout(this.closeAnimationWaitTimeoutId);
}
}
NzTabNavOperationComponent.decorators = [
{ type: Component, args: [{
selector: 'nz-tab-nav-operation',
exportAs: 'nzTabNavOperation',
preserveWhitespaces: false,
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
template: `
<button
nz-dropdown
class="ant-tabs-nav-more"
type="button"
tabindex="-1"
aria-hidden="true"
nzOverlayClassName="nz-tabs-dropdown"
#dropdownTrigger="nzDropdown"
[nzDropdownMenu]="menu"
[nzOverlayStyle]="{ minWidth: '46px' }"
[nzMatchWidthElement]="null"
(nzVisibleChange)="menuVisChange($event)"
(mouseenter)="showItems()"
>
<i nz-icon nzType="ellipsis"></i>
</button>
<nz-dropdown-menu #menu="nzDropdownMenu">
<ul nz-menu *ngIf="menuOpened">
<li
nz-menu-item
*ngFor="let item of items"
class="ant-tabs-dropdown-menu-item"
[class.ant-tabs-dropdown-menu-item-disabled]="item.disabled"
[nzSelected]="item.active"
[nzDisabled]="item.disabled"
(click)="onSelect(item)"
(contextmenu)="onContextmenu(item, $event)"
>
<ng-container *nzStringTemplateOutlet="item.tab.label; context: { visible: false }">{{ item.tab.label }}</ng-container>
</li>
</ul>
</nz-dropdown-menu>
<button *ngIf="addable" nz-tab-add-button [addIcon]="addIcon" (click)="addClicked.emit()"></button>
`,
host: {
class: 'ant-tabs-nav-operations',
'[class.ant-tabs-nav-operations-hidden]': 'items.length === 0'
}
},] }
];
NzTabNavOperationComponent.ctorParameters = () => [
{ type: ChangeDetectorRef },
{ type: ElementRef }
];
NzTabNavOperationComponent.propDecorators = {
items: [{ type: Input }],
addable: [{ type: Input }],
addIcon: [{ type: Input }],
addClicked: [{ type: Output }],
selected: [{ type: Output }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
const RESIZE_SCHEDULER = typeof requestAnimationFrame !== 'undefined' ? animationFrameScheduler : asapScheduler;
const CSS_TRANSFORM_TIME = 150;
class NzTabNavBarComponent {
constructor(cdr, ngZone, viewportRuler, nzResizeObserver, dir) {
this.cdr = cdr;
this.ngZone = ngZone;
this.viewportRuler = viewportRuler;
this.nzResizeObserver = nzResizeObserver;
this.dir = dir;
this.indexFocused = new EventEmitter();
this.selectFocusedIndex = new EventEmitter();
this.addClicked = new EventEmitter();
this.tabScroll = new EventEmitter();
this.position = 'horizontal';
this.addable = false;
this.hideBar = false;
this.addIcon = 'plus';
this.inkBarAnimated = true;
this.translate = null;
this.transformX = 0;
this.transformY = 0;
this.pingLeft = false;
this.pingRight = false;
this.pingTop = false;
this.pingBottom = false;
this.hiddenItems = [];
this.destroy$ = new Subject();
this._selectedIndex = 0;
this.wrapperWidth = 0;
this.wrapperHeight = 0;
this.scrollListWidth = 0;
this.scrollListHeight = 0;
this.operationWidth = 0;
this.operationHeight = 0;
this.addButtonWidth = 0;
this.addButtonHeight = 0;
this.selectedIndexChanged = false;
this.lockAnimationTimeoutId = -1;
this.cssTransformTimeWaitingId = -1;
}
get selectedIndex() {
return this._selectedIndex;
}
set selectedIndex(value) {
const newValue = coerceNumberProperty(value);
if (this._selectedIndex !== newValue) {
this._selectedIndex = value;
this.selectedIndexChanged = true;
if (this.keyManager) {
this.keyManager.updateActiveItem(value);
}
}
}
/** Tracks which element has focus; used for keyboard navigation */
get focusIndex() {
return this.keyManager ? this.keyManager.activeItemIndex : 0;
}
/** When the focus index is set, we must manually send focus to the correct label */
set focusIndex(value) {
if (!this.isValidIndex(value) || this.focusIndex === value || !this.keyManager) {
return;
}
this.keyManager.setActiveItem(value);
}
get showAddButton() {
return this.hiddenItems.length === 0 && this.addable;
}
ngOnInit() { }
ngAfterViewInit() {
const dirChange = this.dir ? this.dir.change : of(null);
const resize = this.viewportRuler.change(150);
const realign = () => {
this.updateScrollListPosition();
this.alignInkBarToSelectedTab();
};
this.keyManager = new FocusKeyManager(this.items)
.withHorizontalOrientation(this.getLayoutDirection())
.withWrap();
this.keyManager.updateActiveItem(0);
reqAnimFrame(realign);
merge(this.nzResizeObserver.observe(this.navWarpRef), this.nzResizeObserver.observe(this.navListRef))
.pipe(takeUntil(this.destroy$), auditTime(16, RESIZE_SCHEDULER))
.subscribe(() => {
realign();
});
merge(dirChange, resize, this.items.changes)
.pipe(takeUntil(this.destroy$))
.subscribe(() => {
Promise.resolve().then(realign);
this.keyManager.withHorizontalOrientation(this.getLayoutDirection());
});
this.keyManager.change.pipe(takeUntil(this.destroy$)).subscribe(newFocusIndex => {
this.indexFocused.emit(newFocusIndex);
this.setTabFocus(newFocusIndex);
this.scrollToTab(this.keyManager.activeItem);
});
}
ngAfterContentChecked() {
if (this.selectedIndexChanged) {
this.updateScrollListPosition();
this.alignInkBarToSelectedTab();
this.selectedIndexChanged = false;
this.cdr.markForCheck();
}
}
ngOnDestroy() {
clearTimeout(this.lockAnimationTimeoutId);
clearTimeout(this.cssTransformTimeWaitingId);
this.destroy$.next();
this.destroy$.complete();
}
onSelectedFromMenu(tab) {
const tabIndex = this.items.toArray().findIndex(e => e === tab);
if (tabIndex !== -1) {
this.keyManager.updateActiveItem(tabIndex);
if (this.focusIndex !== this.selectedIndex) {
this.selectFocusedIndex.emit(this.focusIndex);
this.scrollToTab(tab);
}
}
}
onOffsetChange(e) {
if (this.position === 'horizontal') {
if (this.lockAnimationTimeoutId === -1) {
if (this.transformX >= 0 && e.x > 0) {
return;
}
if (this.transformX <= this.wrapperWidth - this.scrollListWidth && e.x < 0) {
return;
}
}
e.event.preventDefault();
this.transformX = this.clampTransformX(this.transformX + e.x);
this.setTransform(this.transformX, 0);
}
else {
if (this.lockAnimationTimeoutId === -1) {
if (this.transformY >= 0 && e.y > 0) {
return;
}
if (this.transformY <= this.wrapperHeight - this.scrollListHeight && e.y < 0) {
return;
}
}
e.event.preventDefault();
this.transformY = this.clampTransformY(this.transformY + e.y);
this.setTransform(0, this.transformY);
}
this.lockAnimation();
this.setVisibleRange();
this.setPingStatus();
}
handleKeydown(event) {
const inNavigationList = this.navWarpRef.nativeElement.contains(event.target);
if (hasModifierKey(event) || !inNavigationList) {
return;
}
switch (event.keyCode) {
case LEFT_ARROW:
case UP_ARROW:
case RIGHT_ARROW:
case DOWN_ARROW:
this.lockAnimation();
this.keyManager.onKeydown(event);
break;
case ENTER:
case SPACE:
if (this.focusIndex !== this.selectedIndex) {
this.selectFocusedIndex.emit(this.focusIndex);
}
break;
default:
this.keyManager.onKeydown(event);
}
}
isValidIndex(index) {
if (!this.items) {
return true;
}
const tab = this.items ? this.items.toArray()[index] : null;
return !!tab && !tab.disabled;
}
scrollToTab(tab) {
if (!this.items.find(e => e === tab)) {
return;
}
const tabs = this.items.toArray();
if (this.position === 'horizontal') {
let newTransform = this.transformX;
if (this.getLayoutDirection() === 'rtl') {
const right = tabs[0].left + tabs[0].width - tab.left - tab.width;
if (right < this.transformX) {
newTransform = right;
}
else if (right + tab.width > this.transformX + this.wrapperWidth) {
newTransform = right + tab.width - this.wrapperWidth;
}
}
else if (tab.left < -this.transformX) {
newTransform = -tab.left;
}
else if (tab.left + tab.width > -this.transformX + this.wrapperWidth) {
newTransform = -(tab.left + tab.width - this.wrapperWidth);
}
this.transformX = newTransform;
this.transformY = 0;
this.setTransform(newTransform, 0);
}
else {
let newTransform = this.transformY;
if (tab.top < -this.transformY) {
newTransform = -tab.top;
}
else if (tab.top + tab.height > -this.transformY + this.wrapperHeight) {
newTransform = -(tab.top + tab.height - this.wrapperHeight);
}
this.transformY = newTransform;
this.transformX = 0;
this.setTransform(0, newTransform);
}
clearTimeout(this.cssTransformTimeWaitingId);
this.cssTransformTimeWaitingId = setTimeout(() => {
this.setVisibleRange();
}, CSS_TRANSFORM_TIME);
}
lockAnimation() {
if (this.lockAnimationTimeoutId === -1) {
this.ngZone.runOutsideAngular(() => {
this.navListRef.nativeElement.style.transition = 'none';
this.lockAnimationTimeoutId = setTimeout(() => {
this.navListRef.nativeElement.style.transition = '';
this.lockAnimationTimeoutId = -1;
}, CSS_TRANSFORM_TIME);
});
}
}
setTransform(x, y) {
this.navListRef.nativeElement.style.transform = `translate(${x}px, ${y}px)`;
}
clampTransformX(transform) {
const scrollWidth = this.wrapperWidth - this.scrollListWidth;
if (this.getLayoutDirection() === 'rtl') {
return Math.max(Math.min(scrollWidth, transform), 0);
}
else {
return Math.min(Math.max(scrollWidth, transform), 0);
}
}
clampTransformY(transform) {
return Math.min(Math.max(this.wrapperHeight - this.scrollListHeight, transform), 0);
}
updateScrollListPosition() {
this.resetSizes();
this.transformX = this.clampTransformX(this.transformX);
this.transformY = this.clampTransformY(this.transformY);
this.setVisibleRange();
this.setPingStatus();
if (this.keyManager) {
this.keyManager.updateActiveItem(this.keyManager.activeItemIndex);
if (this.keyManager.activeItem) {
this.scrollToTab(this.keyManager.activeItem);
}
}
}
resetSizes() {
this.addButtonWidth = this.addBtnRef ? this.addBtnRef.getElementWidth() : 0;
this.addButtonHeight = this.addBtnRef ? this.addBtnRef.getElementHeight() : 0;
this.operationWidth = this.operationRef.getElementWidth();
this.operationHeight = this.operationRef.getElementHeight();
this.wrapperWidth = this.navWarpRef.nativeElement.offsetWidth || 0;
this.wrapperHeight = this.navWarpRef.nativeElement.offsetHeight || 0;
this.scrollListHeight = this.navListRef.nativeElement.offsetHeight || 0;
this.scrollListWidth = this.navListRef.nativeElement.offsetWidth || 0;
}
alignInkBarToSelectedTab() {
const selectedItem = this.items && this.items.length ? this.items.toArray()[this.selectedIndex] : null;
const selectedItemElement = selectedItem ? selectedItem.elementRef.nativeElement : null;
if (selectedItemElement) {
/**
* .ant-tabs-nav-list - Target offset parent element
* └──.ant-tabs-tab
* └──.ant-tabs-tab-btn - Currently focused element
*/
this.inkBar.alignToElement(selectedItemElement.parentElement);
}
}
setPingStatus() {
const ping = {
top: false,
right: false,
bottom: false,
left: false
};
const navWarp = this.navWarpRef.nativeElement;
if (this.position === 'horizontal') {
if (this.getLayoutDirection() === 'rtl') {
ping.right = this.transformX > 0;
ping.left = this.transformX + this.wrapperWidth < this.scrollListWidth;
}
else {
ping.left = this.transformX < 0;
ping.right = -this.transformX + this.wrapperWidth < this.scrollListWidth;
}
}
else {
ping.top = this.transformY < 0;
ping.bottom = -this.transformY + this.wrapperHeight < this.scrollListHeight;
}
Object.keys(ping).forEach(pos => {
const className = `ant-tabs-nav-wrap-ping-${pos}`;
if (ping[pos]) {
navWarp.classList.add(className);
}
else {
navWarp.classList.remove(className);
}
});
}
setVisibleRange() {
let unit;
let position;
let transformSize;
let basicSize;
let tabContentSize;
let addSize;
const tabs = this.items.toArray();
const DEFAULT_SIZE = { width: 0, height: 0, left: 0, top: 0, right: 0 };
const getOffset = (index) => {
let offset;
const size = tabs[index] || DEFAULT_SIZE;
if (position === 'right') {
offset = tabs[0].left + tabs[0].width - tabs[index].left - tabs[index].width;
}
else {
offset = size[position];
}
return offset;
};
if (this.position === 'horizontal') {
unit = 'width';
basicSize = this.wrapperWidth;
tabContentSize = this.scrollListWidth - (this.hiddenItems.length ? this.operationWidth : 0);
addSize = this.addButtonWidth;
transformSize = Math.abs(this.transformX);
if (this.getLayoutDirection() === 'rtl') {
position = 'right';
this.pingRight = this.transformX > 0;
this.pingLeft = this.transformX + this.wrapperWidth < this.scrollListWidth;
}
else {
this.pingLeft = this.transformX < 0;
this.pingRight = -this.transformX + this.wrapperWidth < this.scrollListWidth;
position = 'left';
}
}
else {
unit = 'height';
basicSize = this.wrapperHeight;
tabContentSize = this.scrollListHeight - (this.hiddenItems.length ? this.operationHeight : 0);
addSize = this.addButtonHeight;
position = 'top';
transformSize = -this.transformY;
this.pingTop = this.transformY < 0;
this.pingBottom = -this.transformY + this.wrapperHeight < this.scrollListHeight;
}
let mergedBasicSize = basicSize;
if (tabContentSize + addSize > basicSize) {
mergedBasicSize = basicSize - addSize;
}
if (!tabs.length) {
this.hiddenItems = [];
this.cdr.markForCheck();
return;
}
const len = tabs.length;
let endIndex = len;
for (let i = 0; i < len; i += 1) {
const offset = getOffset(i);
const size = tabs[i] || DEFAULT_SIZE;
if (offset + size[unit] > transformSize + mergedBasicSize) {
endIndex = i - 1;
break;
}
}
let startIndex = 0;
for (let i = len - 1; i >= 0; i -= 1) {
const offset = getOffset(i);
if (offset < transformSize) {
startIndex = i + 1;
break;
}
}
const startHiddenTabs = tabs.slice(0, startIndex);
const endHiddenTabs = tabs.slice(endIndex + 1);
this.hiddenItems = [...startHiddenTabs, ...endHiddenTabs];
this.cdr.markForCheck();
}
getLayoutDirection() {
return this.dir && this.dir.value === 'rtl' ? 'rtl' : 'ltr';
}
setTabFocus(_tabIndex) { }
ngOnChanges(changes) {
const { position } = changes;
// The first will be aligning in ngAfterViewInit
if (position && !position.isFirstChange()) {
this.alignInkBarToSelectedTab();
this.lockAnimation();
this.updateScrollListPosition();
}
}
}
NzTabNavBarComponent.decorators = [
{ type: Component, args: [{
selector: 'nz-tabs-nav',
exportAs: 'nzTabsNav',
preserveWhitespaces: false,
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
template: `
<div
class="ant-tabs-nav-wrap"
[class.ant-tabs-nav-wrap-ping-left]="pingLeft"
[class.ant-tabs-nav-wrap-ping-right]="pingRight"
[class.ant-tabs-nav-wrap-ping-top]="pingTop"
[class.ant-tabs-nav-wrap-ping-bottom]="pingBottom"
#navWarp
>
<div class="ant-tabs-nav-list" #navList nzTabScrollList (offsetChange)="onOffsetChange($event)" (tabScroll)="tabScroll.emit($event)">
<ng-content></ng-content>
<button *ngIf="showAddButton" nz-tab-add-button [addIcon]="addIcon" (click)="addClicked.emit()"></button>
<div nz-tabs-ink-bar [hidden]="hideBar" [position]="position" [animated]="inkBarAnimated"></div>
</div>
</div>
<nz-tab-nav-operation
(addClicked)="addClicked.emit()"
(selected)="onSelectedFromMenu($event)"
[addIcon]="addIcon"
[addable]="addable"
[items]="hiddenItems"
></nz-tab-nav-operation>
<div class="ant-tabs-extra-content" *ngIf="extraTemplate">
<ng-template [ngTemplateOutlet]="extraTemplate"></ng-template>
</div>
`,
host: {
role: 'tablist',
class: 'ant-tabs-nav',
'(keydown)': 'handleKeydown($event)'
}
},] }
];
NzTabNavBarComponent.ctorParameters = () => [
{ type: ChangeDetectorRef },
{ type: NgZone },
{ type: ViewportRuler },
{ type: NzResizeObserver },
{ type: Directionality, decorators: [{ type: Optional }] }
];
NzTabNavBarComponent.propDecorators = {
indexFocused: [{ type: Output }],
selectFocusedIndex: [{ type: Output }],
addClicked: [{ type: Output }],
tabScroll: [{ type: Output }],
position: [{ type: Input }],
addable: [{ type: Input }],
hideBar: [{ type: Input }],
addIcon: [{ type: Input }],
inkBarAnimated: [{ type: Input }],
extraTemplate: [{ type: Input }],
selectedIndex: [{ type: Input }],
navWarpRef: [{ type: ViewChild, args: ['navWarp', { static: true },] }],
navListRef: [{ type: ViewChild, args: ['navList', { static: true },] }],
operationRef: [{ type: ViewChild, args: [NzTabNavOperationComponent, { static: true },] }],
addBtnRef: [{ type: ViewChild, args: [NzTabAddButtonComponent, { static: false },] }],
inkBar: [{ type: ViewChild, args: [NzTabsInkBarDirective, { static: true },] }],
items: [{ type: ContentChildren, args: [NzTabNavItemDirective, { descendants: true },] }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
class NzTabBodyComponent {
constructor() {
this.content = null;
this.active = false;
this.tabPaneAnimated = true;
this.forceRender = false;
}
}
NzTabBodyComponent.decorators = [
{ type: Component, args: [{
selector: '[nz-tab-body]',
exportAs: 'nzTabBody',
preserveWhitespaces: false,
encapsulation: ViewEncapsulation.None,
changeDetection: ChangeDetectionStrategy.OnPush,
template: `
<ng-container *ngIf="active || forceRender">
<ng-template [ngTemplateOutlet]="content"></ng-template>
</ng-container>
`,
host: {
class: 'ant-tabs-tabpane',
'[class.ant-tabs-tabpane-active]': 'active',
'[attr.tabindex]': 'active ? 0 : -1',
'[attr.aria-hidden]': '!active',
'[style.visibility]': 'tabPaneAnimated ? active ? null : "hidden" : null',
'[style.height]': 'tabPaneAnimated ? active ? null : 0 : null',
'[style.overflow-y]': 'tabPaneAnimated ? active ? null : "none" : null',
'[style.display]': '!tabPaneAnimated ? active ? null : "none" : null'
}
},] }
];
NzTabBodyComponent.propDecorators = {
content: [{ type: Input }],
active: [{ type: Input }],
tabPaneAnimated: [{ type: Input }],
forceRender: [{ type: Input }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
const MIN_SWIPE_DISTANCE = 0.1;
const STOP_SWIPE_DISTANCE = 0.01;
const REFRESH_INTERVAL = 20;
const SPEED_OFF_MULTIPLE = Math.pow(0.995, REFRESH_INTERVAL);
class NzTabScrollListDirective {
constructor(ngZone, elementRef) {
this.ngZone = ngZone;
this.elementRef = elementRef;
this.lastWheelDirection = null;
this.lastWheelTimestamp = 0;
this.lastTimestamp = 0;
this.lastTimeDiff = 0;
this.lastMixedWheel = 0;
this.lastWheelPrevent = false;
this.touchPosition = null;
this.lastOffset = null;
this.motion = -1;
this.unsubscribe = () => void 0;
this.offsetChange = new EventEmitter();
this.tabScroll = new EventEmitter();
this.onTouchEnd = (e) => {
if (!this.touchPosition) {
return;
}
const lastOffset = this.lastOffset;
const lastTimeDiff = this.lastTimeDiff;
this.lastOffset = this.touchPosition = null;
if (lastOffset) {
const distanceX = lastOffset.x / lastTimeDiff;
const distanceY = lastOffset.y / lastTimeDiff;
const absX = Math.abs(distanceX);
const absY = Math.abs(distanceY);
// Skip swipe if low distance
if (Math.max(absX, absY) < MIN_SWIPE_DISTANCE) {
return;
}
let currentX = distanceX;
let currentY = distanceY;
this.motion = window.setInterval(() => {
if (Math.abs(currentX) < STOP_SWIPE_DISTANCE && Math.abs(currentY) < STOP_SWIPE_DISTANCE) {
window.clearInterval(this.motion);
return;
}
currentX *= SPEED_OFF_MULTIPLE;
currentY *= SPEED_OFF_MULTIPLE;
this.onOffset(currentX * REFRESH_INTERVAL, currentY * REFRESH_INTERVAL, e);
}, REFRESH_INTERVAL);
}
};
this.onTouchMove = (e) => {
if (!this.touchPosition) {
return;
}
e.preventDefault();
const { screenX, screenY } = e.touches[0];
const offsetX = screenX - this.touchPosition.x;
const offsetY = screenY - this.touchPosition.y;
this.onOffset(offsetX, offsetY, e);
const now = Date.now();
this.lastTimeDiff = now - this.lastTimestamp;
this.lastTimestamp = now;
this.lastOffset = { x: offsetX, y: offsetY };
this.touchPosition = { x: screenX, y: screenY };
};
this.onTouchStart = (e) => {
const { screenX, screenY } = e.touches[0];
this.touchPosition = { x: screenX, y: screenY };
window.clearInterval(this.motion);
};
this.onWheel = (e) => {
const { deltaX, deltaY } = e;
let mixed;
const absX = Math.abs(deltaX);
const absY = Math.abs(deltaY);
if (absX === absY) {
mixed = this.lastWheelDirection === 'x' ? deltaX : deltaY;
}
else if (absX > absY) {
mixed = deltaX;
this.lastWheelDirection = 'x';
}
else {
mixed = deltaY;
this.lastWheelDirection = 'y';
}
// Optimize mac touch scroll
const now = Date.now();
const absMixed = Math.abs(mixed);
if (now - this.lastWheelTimestamp > 100 || absMixed - this.lastMixedWheel > 10) {
this.lastWheelPrevent = false;
}
this.onOffset(-mixed, -mixed, e);
if (e.defaultPrevented || this.lastWheelPrevent) {
this.lastWheelPrevent = true;
}
this.lastWheelTimestamp = now;
this.lastMixedWheel = absMixed;
};
}
ngOnInit() {
this.unsubscribe = this.ngZone.runOutsideAngular(() => {
const el = this.elementRef.nativeElement;
const wheel$ = fromEvent(el, 'wheel');
const touchstart$ = fromEvent(el, 'touchstart');
const touchmove$ = fromEvent(el, 'touchmove');
const touchend$ = fromEvent(el, 'touchend');
const subscription = new Subscription();
subscription.add(this.subscribeWrap('wheel', wheel$, this.onWheel));
subscription.add(this.subscribeWrap('touchstart', touchstart$, this.onTouchStart));
subscription.add(this.subscribeWrap('touchmove', touchmove$, this.onTouchMove));
subscription.add(this.subscribeWrap('touchend', touchend$, this.onTouchEnd));
return () => {
subscription.unsubscribe();
};
});
}
subscribeWrap(type, observable, handler) {
return observable.subscribe(event => {
this.tabScroll.emit({
type,
event
});
if (!event.defaultPrevented) {
handler(event);
}
});
}
onOffset(x, y, event) {
this.ngZone.run(() => {
this.offsetChange.emit({
x,
y,
event
});
});
}
ngOnDestroy() {
this.unsubscribe();
}
}
NzTabScrollListDirective.decorators = [
{ type: Directive, args: [{
selector: '[nzTabScrollList]'
},] }
];
NzTabScrollListDirective.ctorParameters = () => [
{ type: NgZone },
{ type: ElementRef }
];
NzTabScrollListDirective.propDecorators = {
offsetChange: [{ type: Output }],
tabScroll: [{ type: Output }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
class NzTabCloseButtonComponent {
constructor() {
this.closeIcon = 'close';
}
}
NzTabCloseButtonComponent.decorators = [
{ type: Component, args: [{
selector: 'nz-tab-close-button, button[nz-tab-close-button]',
template: `
<ng-container *nzStringTemplateOutlet="closeIcon; let icon">
<i nz-icon [nzType]="icon" nzTheme="outline"></i>
</ng-container>
`,
host: {
class: 'ant-tabs-tab-remove',
'aria-label': 'Close tab',
type: 'button'
}
},] }
];
NzTabCloseButtonComponent.ctorParameters = () => [];
NzTabCloseButtonComponent.propDecorators = {
closeIcon: [{ type: Input }]
};
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
class NzTabChangeEvent {
}
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
const NZ_CONFIG_MODULE_NAME = 'tabs';
let nextId = 0;
class NzTabSetComponent {
constructor(nzConfigService, cdr, directionality, router) {
this.nzConfigService = nzConfigService;
this.cdr = cdr;
this.directionality = directionality;
this.router = router;
this._nzModuleName = NZ_CONFIG_MODULE_NAME;
this.nzTabPosition = 'top';
this.nzCanDeactivate = null;
this.nzAddIcon = 'plus';
this.nzTabBarStyle = null;
this.nzType = 'line';
this.nzSize = 'default';
this.nzAnimated = true;
this.nzTabBarGutter = undefined;
this.nzHideAdd = false;
this.nzCentered = false;
this.nzHideAll = false;
this.nzLinkRouter = false;
this.nzLinkExact = true;
this.nzSelectChange = new EventEmitter(true);
this.nzSelectedIndexChange = new EventEmitter();
this.nzTabListScroll = new EventEmitter();
this.nzClose = new EventEmitter();
this.nzAdd = new EventEmitter();
// Pick up only direct descendants under ivy rendering engine
// We filter out only the tabs that belong to this tab set in `tabs`.
this.allTabs = new QueryList();
// All the direct tabs for this tab set
this.tabs = new QueryList();
this.dir = 'ltr';
this.destroy$ = new Subject();
this.indexToSelect = 0;
this.selectedIndex = null;
this.tabLabelSubscription = Subscription.EMPTY;
this.tabsSubscription = Subscription.EMPTY;
this.canDeactivateSubscription = Subscription.EMPTY;
this.tabSetId = nextId++;
}
get nzSelectedIndex() {
return this.selectedIndex;
}
set nzSelectedIndex(value) {
this.indexToSelect = coerceNumberProperty(value, null);
}
get position() {
return ['top', 'bottom'].indexOf(this.nzTabPosition) === -1 ? 'vertical' : 'horizontal';
}
get addable() {
return this.nzType === 'editable-card' && !this.nzHideAdd;
}
get closable() {
return this.nzType === 'editable-card';
}
get line() {
return this.nzType === 'line';
}
get inkBarAnimated() {
return this.line && (typeof this.nzAnimated === 'boolean' ? this.nzAnimated : this.nzAnimated.inkBar);
}
get tabPaneAnimated() {
return (this.position === 'horizontal' && this.line && (typeof this.nzAnimated === 'boolean' ? this.nzAnimated : this.nzAnimated.tabPane));
}
ngOnInit() {
var _a;
this.dir = this.directionality.value;
(_a = this.directionality.change) === null || _a === void 0 ? void 0 : _a.pipe(takeUntil(this.destroy$)).subscribe((direction) => {
this.dir = direction;
this.cdr.detectChanges();
});
}
ngOnDestroy() {
this.destroy$.next();
this.destroy$.complete();
this.tabs.destroy();
this.tabLabelSubscription.unsubscribe();
this.tabsSubscription.unsubscribe();
this.canDeactivateSubscription.unsubscribe();
}
ngAfterContentInit() {
Promise.resolve().then(() => {
this.setUpRouter();
});
this.subscribeToTabLabels();
this.subscribeToAllTabChanges();
// Subscribe to changes in the amount of tabs, in order to be
// able to re-render the content as new tabs are added or removed.
this.tabsSubscription = this.tabs.changes.subscribe(() => {
const indexToSelect = this.clampTabIndex(this.indexToSelect);
// Maintain the previously-selected tab if a new tab is added or removed and there is no
// explicit change that selects a different tab.
if (indexToSelect === this.selectedIndex) {
const tabs = this.tabs.toArray();
for (let i = 0; i < tabs.length; i++) {
if (tabs[i].isActive) {
// Assign both to the `indexToSelect` and `selectedIndex` so we don't fire a changed
// event, otherwise the consumer may end up in an infinite loop in some edge cases like
// adding a tab within the `nzSelectedIndexChange` event.
this.indexToSelect = this.selectedIndex = i;
break;
}
}
}
this.subscribeToTabLabels();
this.cdr.markForCheck();
});
}
ngAfterContentChecked() {
// Don't clamp the `indexToSelect` immediately in the setter because it can happen that
// the amount of tabs changes before the actual change detection runs.
const indexToSelect = (this.indexToSelect = this.clampTabIndex(this.indexToSelect));
// If there is a change in selected index, emit a change event. Should not trigger if
// the selected index has not yet been initialized.
if (this.selectedIndex !== indexToSelect) {
const isFirstRun = this.selectedIndex == null;
if (!isFirstRun) {
this.nzSelectChange.emit(this.createChangeEvent(indexToSelect));
}
// Changing these values after change detection has run
// since the checked content may contain references to them.
Promise.resolve().then(() => {
this.tabs.forEach((tab, index) => (tab.isActive = index === indexToSelect));
if (!isFirstRun) {
this.nzSelectedIndexChange.emit(indexToSelect);
}
});
}
// Setup the position for each tab and optionally setup an origin on the next selected tab.
this.tabs.forEach((tab, index) => {
tab.position = index - indexToSelect;
// If there is already a selected tab, then set up an origin for the next selected tab
// if it doesn't have one already.
if (this.selectedIndex != null && tab.position === 0 && !tab.origin) {
tab.origin = indexToSelect - this.selectedIndex;
}
});
if (this.selectedIndex !== indexToSelect) {
this.selectedIndex = indexToSelect;
this.cdr.markForCheck();
}
}
onClose(index, e) {
e.preventDefault();
e.stopPropagation();
this.nzClose.emit({ index });
}
onAdd() {
this.nzAdd.emit();
}
clampTabIndex(index) {
return Math.min(this.tabs.length - 1, Math.max(index || 0, 0));
}
createChangeEvent(index) {
const event = new NzTabChangeEvent();
event.index = index;
if (this.tabs && this.tabs.length) {
event.tab = this.tabs.toArray()[index];
this.tabs.forEach((tab, i) => {
if (i !== index) {
tab.nzDeselect.emit();
}
});
event.tab.nzSelect.emit();
}
return event;
}
subscribeToTabLabels() {
if (this.tabLabelSubscription) {