carbon-components-angular
Version:
Next generation components
194 lines • 18.5 kB
JavaScript
import { Directive, Input, Output, EventEmitter, HostBinding, HostListener, forwardRef } from "@angular/core";
import * as i0 from "@angular/core";
/**
* Shared inputs, outputs, and selection logic for `[cdsTabHeader]`
* and `cds-tab-header` as we prepare for deprecation.
* Groups use `@ContentChildren(TabHeaderBase)` so both forms appear in DOM order,
* subclasses supply the template and host behavior.
*/
// eslint-disable-next-line @angular-eslint/directive-class-suffix -- abstract base class, not a directive instance
export class TabHeaderBase {
constructor() {
/**
* Selected tab; controls whether the linked pane content is shown.
*/
this.active = false;
/**
* Indicates whether or not the `Tab` item is disabled.
*/
this.disabled = false;
/**
* Set to `true` to render this tab header as dismissable.
*/
this.dismissable = false;
/**
* Emits when this header becomes selected.
*/
this.selected = new EventEmitter();
/**
* Emits when this tabs's close button is pressed.
*/
this.tabClose = new EventEmitter();
this._cacheActive = false;
}
/**
* Set to 'true' to have pane reference cached and not reloaded on tab switching.
*/
set cacheActive(shouldCache) {
this._cacheActive = shouldCache;
// Updates the pane references associated with the tab header when cache active is changed.
if (this.paneReference) {
this.paneReference.cacheActive = this.cacheActive;
}
}
get cacheActive() {
return this._cacheActive;
}
/**
* Sets `tabIndex` on the linked `Tab` pane when the pane reference is set.
*/
set paneTabIndex(tabIndex) {
if (this.paneReference) {
this.paneReference.tabIndex = tabIndex;
}
}
/**
* Activates the linked pane and emits `selected`.
*/
selectTab() {
this.focus();
if (!this.disabled) {
this.selected.emit();
this.active = true;
if (this.paneReference) {
this.paneReference.active = true;
}
}
}
}
TabHeaderBase.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TabHeaderBase, deps: [], target: i0.ɵɵFactoryTarget.Directive });
TabHeaderBase.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "14.3.0", type: TabHeaderBase, inputs: { cacheActive: "cacheActive", paneTabIndex: "paneTabIndex", active: "active", disabled: "disabled", icon: "icon", secondaryLabel: "secondaryLabel", dismissable: "dismissable", paneReference: "paneReference", title: "title" }, outputs: { selected: "selected", tabClose: "tabClose" }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TabHeaderBase, decorators: [{
type: Directive
}], propDecorators: { cacheActive: [{
type: Input
}], paneTabIndex: [{
type: Input
}], active: [{
type: Input
}], disabled: [{
type: Input
}], icon: [{
type: Input
}], secondaryLabel: [{
type: Input
}], dismissable: [{
type: Input
}], paneReference: [{
type: Input
}], title: [{
type: Input
}], selected: [{
type: Output
}], tabClose: [{
type: Output
}] } });
/**
* Tab header as an attribute on a focusable host inside `cds-tab-header-group`.
*
* @deprecated as of v5.
* Prefer `cds-tab-header` for icons, secondary labels, dismissable close, and icon-only tabs.
*/
export class TabHeader extends TabHeaderBase {
constructor(host) {
super();
this.host = host;
this.type = "button";
this.navItem = true;
this.navLink = true;
}
get tabIndex() {
return this.active ? 0 : -1;
}
get isSelected() {
return this.active;
}
get isDisabled() {
return this.disabled;
}
get ariaSelected() {
return this.active;
}
get ariaDisabled() {
return this.disabled;
}
get hostTitle() {
return this.title ?? null;
}
onClick() {
this.selectTab();
}
onKeyDown(event) {
if (this.dismissable && event.key === "Delete") {
event.stopPropagation();
this.tabClose.emit();
}
}
ngAfterViewInit() {
setTimeout(() => {
this.title = this.title ? this.title : this.host.nativeElement.textContent;
});
}
focus() {
this.host.nativeElement.focus();
}
}
TabHeader.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TabHeader, deps: [{ token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Directive });
TabHeader.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "14.3.0", type: TabHeader, selector: "[cdsTabHeader], [ibmTabHeader]", host: { listeners: { "click": "onClick()", "keydown": "onKeyDown($event)" }, properties: { "attr.tabIndex": "this.tabIndex", "class.cds--tabs__nav-item--selected": "this.isSelected", "class.cds--tabs__nav-item--disabled": "this.isDisabled", "attr.type": "this.type", "attr.aria-selected": "this.ariaSelected", "attr.aria-disabled": "this.ariaDisabled", "class.cds--tabs__nav-item": "this.navItem", "class.cds--tabs__nav-link": "this.navLink", "attr.title": "this.hostTitle" } }, providers: [
// tslint:disable-next-line:no-forward-ref
{ provide: TabHeaderBase, useExisting: forwardRef(() => TabHeader) }
], usesInheritance: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TabHeader, decorators: [{
type: Directive,
args: [{
selector: "[cdsTabHeader], [ibmTabHeader]",
providers: [
// tslint:disable-next-line:no-forward-ref
{ provide: TabHeaderBase, useExisting: forwardRef(() => TabHeader) }
]
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }]; }, propDecorators: { tabIndex: [{
type: HostBinding,
args: ["attr.tabIndex"]
}], isSelected: [{
type: HostBinding,
args: ["class.cds--tabs__nav-item--selected"]
}], isDisabled: [{
type: HostBinding,
args: ["class.cds--tabs__nav-item--disabled"]
}], type: [{
type: HostBinding,
args: ["attr.type"]
}], ariaSelected: [{
type: HostBinding,
args: ["attr.aria-selected"]
}], ariaDisabled: [{
type: HostBinding,
args: ["attr.aria-disabled"]
}], navItem: [{
type: HostBinding,
args: ["class.cds--tabs__nav-item"]
}], navLink: [{
type: HostBinding,
args: ["class.cds--tabs__nav-link"]
}], hostTitle: [{
type: HostBinding,
args: ["attr.title"]
}], onClick: [{
type: HostListener,
args: ["click"]
}], onKeyDown: [{
type: HostListener,
args: ["keydown", ["$event"]]
}] } });
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controls whether the linked pane content is shown.\n\t */\n\t@Input() active = false;\n\n\t/**\n\t * Indicates whether or not the `Tab` item is disabled.\n\t */\n\t@Input() disabled = false;\n\n\t/**\n\t * Icon template; used with `cds-tab-header` / `cds-tab-header-group`.\n\t */\n\t@Input() icon: TemplateRef<any>;\n\n\t/**\n\t * Optional secondary label rendered below the primary tab label.\n\t * Only displayed when the parent group is using `type=\"contained\"`.\n\t */\n\t@Input() secondaryLabel: string;\n\n\t/**\n\t * Set to `true` to render this tab header as dismissable.\n\t */\n\t@Input() dismissable = false;\n\n\t/**\n\t * Reference to the corresponding tab pane.\n\t */\n\t@Input() paneReference: Tab;\n\n\t/**\n\t * Title attribute used as the tooltip for the tab item. Falls back to the tab item's text content if not provided.\n\t */\n\t@Input() title: string;\n\n\t/**\n\t * Emits when this header becomes selected.\n\t */\n\t@Output() selected = new EventEmitter<any>();\n\n\t/**\n\t * Emits when this tabs's close button is pressed.\n\t */\n\t@Output() tabClose = new EventEmitter<void>();\n\n\tprotected _cacheActive = false;\n\n\t/**\n\t * Move keyboard focus to the tab item.\n\t */\n\tabstract focus(): void;\n\n\t/**\n\t * Activates the linked pane and emits `selected`.\n\t */\n\tselectTab() {\n\t\tthis.focus();\n\t\tif (!this.disabled) {\n\t\t\tthis.selected.emit();\n\t\t\tthis.active = true;\n\t\t\tif (this.paneReference) {\n\t\t\t\tthis.paneReference.active = true;\n\t\t\t}\n\t\t}\n\t}\n}\n\n/**\n * Tab header as an attribute on a focusable host inside `cds-tab-header-group`.\n *\n * @deprecated as of v5.\n * Prefer `cds-tab-header` for icons, secondary labels, dismissable close, and icon-only tabs.\n */\n@Directive({\n\tselector: \"[cdsTabHeader], [ibmTabHeader]\",\n\tproviders: [\n\t\t// tslint:disable-next-line:no-forward-ref\n\t\t{ provide: TabHeaderBase, useExisting: forwardRef(() => TabHeader) }\n\t]\n})\nexport class TabHeader extends TabHeaderBase implements AfterViewInit {\n\t@HostBinding(\"attr.tabIndex\") get tabIndex() {\n\t\treturn this.active ? 0 : -1;\n\t}\n\n\t@HostBinding(\"class.cds--tabs__nav-item--selected\") get isSelected() {\n\t\treturn this.active;\n\t}\n\n\t@HostBinding(\"class.cds--tabs__nav-item--disabled\") get isDisabled() {\n\t\treturn this.disabled;\n\t}\n\n\t@HostBinding(\"attr.type\") type = \"button\";\n\t@HostBinding(\"attr.aria-selected\") get ariaSelected() {\n\t\treturn this.active;\n\t}\n\t@HostBinding(\"attr.aria-disabled\") get ariaDisabled() {\n\t\treturn this.disabled;\n\t}\n\t@HostBinding(\"class.cds--tabs__nav-item\") navItem = true;\n\t@HostBinding(\"class.cds--tabs__nav-link\") navLink = true;\n\t@HostBinding(\"attr.title\") get hostTitle() {\n\t\treturn this.title ?? null;\n\t}\n\n\tconstructor(private host: ElementRef) {\n\t\tsuper();\n\t}\n\n\t@HostListener(\"click\")\n\tonClick() {\n\t\tthis.selectTab();\n\t}\n\n\t@HostListener(\"keydown\", [\"$event\"])\n\tonKeyDown(event: KeyboardEvent) {\n\t\tif (this.dismissable && event.key === \"Delete\") {\n\t\t\tevent.stopPropagation();\n\t\t\tthis.tabClose.emit();\n\t\t}\n\t}\n\n\tngAfterViewInit() {\n\t\tsetTimeout(() => {\n\t\t\tthis.title = this.title ? this.title : this.host.nativeElement.textContent;\n\t\t});\n\t}\n\n\tfocus() {\n\t\tthis.host.nativeElement.focus();\n\t}\n}\n"]}