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* Copyright (c) Siemens 2016 - 2025
* SPDX-License-Identifier: MIT
*/
import { CdkMenuBar, CdkMenuModule } from '@angular/cdk/menu';
import {
AfterViewInit,
booleanAttribute,
Component,
computed,
ElementRef,
inject,
input,
linkedSignal,
viewChild
} from '@angular/core';
import { RouterLink } from '@angular/router';
import { SiAutoCollapsableListModule } from '@siemens/element-ng/auto-collapsable-list';
import { MenuItem as MenuItemLegacy } from '@siemens/element-ng/common';
import { addIcons, elementCancel, elementOptionsVertical } from '@siemens/element-ng/icon';
import { SiLinkModule } from '@siemens/element-ng/link';
import {
MenuItem,
MenuItemAction,
MenuItemCheckbox,
MenuItemRadio,
SiMenuActionService,
SiMenuModule
} from '@siemens/element-ng/menu';
import { SiTranslatePipe, t } from '@siemens/element-translate-ng/translate';
import { SiContentActionBarToggleComponent } from './si-content-action-bar-toggle.component';
import { ContentActionBarMainItem, ViewType } from './si-content-action-bar.model';
@Component({
selector: 'si-content-action-bar',
imports: [
SiMenuModule,
CdkMenuModule,
SiAutoCollapsableListModule,
SiTranslatePipe,
SiLinkModule,
SiContentActionBarToggleComponent,
RouterLink
],
templateUrl: './si-content-action-bar.component.html',
styleUrl: './si-content-action-bar.component.scss',
host: {
'[class]': 'viewType()'
}
})
export class SiContentActionBarComponent implements AfterViewInit {
/**
* List of primary actions. Supports up to **4** actions and omits additional ones.
*/
readonly primaryActions = input<readonly (MenuItemLegacy | ContentActionBarMainItem)[]>();
/**
* List of secondary actions.
*/
readonly secondaryActions = input<readonly (MenuItemLegacy | MenuItem)[]>();
/**
* A param that will be passed to the `action` in the primary/secondary actions.
* This allows to re-use the same primary/secondary action arrays across rows
* in a table.
*/
readonly actionParam = input<any>();
/**
* Selection of view type as 'collapsible', 'expanded' or 'mobile'.
*
* @defaultValue 'expanded'
*/
readonly viewType = input<ViewType>('expanded');
/**
* Toggle icon aria-label, required for a11y
*
* @defaultValue
* ```
* t(() => $localize`:@@SI_CONTENT_ACTION_BAR.TOGGLE:Toggle`)
* ```
*/
readonly toggleItemLabel = input(t(() => $localize`:@@SI_CONTENT_ACTION_BAR.TOGGLE:Toggle`));
/**
* Option to remove all icons from dropdown menus of the content action bar.
*
* Some apps provide only few actions with icons, located in the set of primary actions.
* The icons are visible in the `collapsible` and `expanded` view type. On reduced space,
* primary actions are relocated in the same dropdown menu as the secondary actions. The
* dropdown menu can look unbalanced, if a large number of secondary actions without
* icons are presented with few actions with icons. This option balances the look and feel
* by removing all icons from actions in the dropdown menu.
*
* @defaultValue false
*/
readonly preventIconsInDropdownMenus = input(false, { transform: booleanAttribute });
/**
* Disables the whole content-action-bar.
*
* @defaultValue false
*/
readonly disabled = input(false, { transform: booleanAttribute });
private readonly expandElement = viewChild<
SiContentActionBarToggleComponent,
ElementRef<HTMLElement>
>('expandElement', { read: ElementRef });
private readonly menuBarElement = viewChild<CdkMenuBar, ElementRef<HTMLDivElement>>(CdkMenuBar, {
read: ElementRef
});
protected readonly mobileActions = computed(() => {
const primaryActions = this.primaryActions();
const secondaryActions = this.secondaryActions();
const preventIcons = this.preventIconsInDropdownMenus();
let actions: readonly (MenuItemLegacy | MenuItem)[] = [];
if (primaryActions?.length && secondaryActions?.length) {
actions = [...primaryActions, { title: '-' }, ...secondaryActions];
} else if (primaryActions?.length) {
actions = primaryActions;
} else if (secondaryActions?.length) {
actions = secondaryActions;
}
if (preventIcons) {
actions = actions.map(action => ({
...action,
icon: undefined
}));
}
return actions;
});
protected readonly secondaryActionsInternal = computed(() => {
let secondaryActions = this.secondaryActions();
Iif (this.preventIconsInDropdownMenus()) {
secondaryActions = secondaryActions?.map(action => ({
...action,
icon: undefined
}));
}
return secondaryActions;
});
protected readonly icons = addIcons({ elementCancel, elementOptionsVertical });
protected readonly expanded = linkedSignal(() => this.viewType() === 'expanded');
protected parentElement?: HTMLElement | null;
private elementRef = inject<ElementRef<HTMLElement>>(ElementRef);
private menuActionService = inject(SiMenuActionService, { optional: true });
ngAfterViewInit(): void {
setTimeout(() => {
if (this.parentElement !== this.elementRef.nativeElement.parentElement) {
this.parentElement = this.elementRef.nativeElement.parentElement;
}
});
}
protected expand(): void {
this.expanded.set(true);
setTimeout(() => this.menuBarElement()?.nativeElement.focus());
}
protected collapse(): void {
this.expanded.set(false);
setTimeout(() => this.expandElement()?.nativeElement.focus());
}
protected isNewItemStyle(
item: MenuItemLegacy | ContentActionBarMainItem
): item is ContentActionBarMainItem {
return 'label' in item;
}
protected runAction(item: MenuItemAction | MenuItemRadio | MenuItemCheckbox): void {
if (typeof item.action === 'function') {
item.action(this.actionParam(), item as any); // typescript cannot level down the item type properly
}
Iif (typeof item.action === 'string') {
this.menuActionService?.actionTriggered(item, this.actionParam());
}
}
}
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