@clr/angular
Version:
Angular components for Clarity
115 lines • 14.8 kB
JavaScript
/*
* Copyright (c) 2016-2025 Broadcom. All Rights Reserved.
* The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
import { Component, ContentChildren, Inject, Input, Optional, SkipSelf, } from '@angular/core';
import { FocusableItem } from '../../utils/focus/focusable-item/focusable-item';
import { AbstractPopover } from '../common/abstract-popover';
import { Point } from '../common/popover';
import { POPOVER_HOST_ANCHOR } from '../common/popover-host-anchor.token';
import * as i0 from "@angular/core";
import * as i1 from "./providers/dropdown-focus-handler.service";
export class ClrDropdownMenu extends AbstractPopover {
constructor(injector, parentHost, nested, focusHandler) {
if (!parentHost) {
throw new Error('clr-dropdown-menu should only be used inside of a clr-dropdown');
}
super(injector, parentHost);
if (!nested) {
// Default positioning for normal dropdown is bottom-left
this.anchorPoint = Point.BOTTOM_LEFT;
this.popoverPoint = Point.LEFT_TOP;
}
else {
// Default positioning for nested dropdown is right-top
this.anchorPoint = Point.RIGHT_TOP;
this.popoverPoint = Point.LEFT_TOP;
}
this.popoverOptions.allowMultipleOpen = true;
this.popoverOptions.ignoreGlobalESCListener = true;
this.closeOnOutsideClick = true;
this.focusHandler = focusHandler;
}
set position(position) {
// set the popover values based on menu position
switch (position) {
case 'top-right':
this.anchorPoint = Point.TOP_RIGHT;
this.popoverPoint = Point.RIGHT_BOTTOM;
break;
case 'top-left':
this.anchorPoint = Point.TOP_LEFT;
this.popoverPoint = Point.LEFT_BOTTOM;
break;
case 'bottom-right':
this.anchorPoint = Point.BOTTOM_RIGHT;
this.popoverPoint = Point.RIGHT_TOP;
break;
case 'bottom-left':
this.anchorPoint = Point.BOTTOM_LEFT;
this.popoverPoint = Point.LEFT_TOP;
break;
case 'right-top':
this.anchorPoint = Point.RIGHT_TOP;
this.popoverPoint = Point.LEFT_TOP;
break;
case 'right-bottom':
this.anchorPoint = Point.RIGHT_BOTTOM;
this.popoverPoint = Point.LEFT_BOTTOM;
break;
case 'left-top':
this.anchorPoint = Point.LEFT_TOP;
this.popoverPoint = Point.RIGHT_TOP;
break;
case 'left-bottom':
this.anchorPoint = Point.LEFT_BOTTOM;
this.popoverPoint = Point.RIGHT_BOTTOM;
break;
default:
this.anchorPoint = Point.BOTTOM_LEFT;
this.popoverPoint = Point.LEFT_TOP;
break;
}
}
ngAfterContentInit() {
this.focusHandler.container = this.el.nativeElement;
this.items.changes.subscribe(() => this.focusHandler.addChildren(this.items.toArray()));
// I saw this on GitHub as a solution to avoid code duplication because of missed QueryList changes
this.items.notifyOnChanges();
}
ngOnDestroy() {
super.ngOnDestroy();
this.focusHandler.resetChildren();
}
}
ClrDropdownMenu.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrDropdownMenu, deps: [{ token: i0.Injector }, { token: POPOVER_HOST_ANCHOR, optional: true }, { token: ClrDropdownMenu, optional: true, skipSelf: true }, { token: i1.DropdownFocusHandler }], target: i0.ɵɵFactoryTarget.Component });
ClrDropdownMenu.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.2", type: ClrDropdownMenu, selector: "clr-dropdown-menu", inputs: { position: ["clrPosition", "position"] }, host: { properties: { "class.dropdown-menu": "true", "attr.role": "\"menu\"" } }, queries: [{ propertyName: "items", predicate: FocusableItem }], usesInheritance: true, ngImport: i0, template: `<ng-content></ng-content>`, isInline: true });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrDropdownMenu, decorators: [{
type: Component,
args: [{
selector: 'clr-dropdown-menu',
template: `<ng-content></ng-content>`,
host: {
'[class.dropdown-menu]': 'true',
'[attr.role]': '"menu"',
},
}]
}], ctorParameters: function () { return [{ type: i0.Injector }, { type: i0.ElementRef, decorators: [{
type: Optional
}, {
type: Inject,
args: [POPOVER_HOST_ANCHOR]
}] }, { type: ClrDropdownMenu, decorators: [{
type: Optional
}, {
type: SkipSelf
}] }, { type: i1.DropdownFocusHandler }]; }, propDecorators: { items: [{
type: ContentChildren,
args: [FocusableItem]
}], position: [{
type: Input,
args: ['clrPosition']
}] } });
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All Rights Reserved.\n * The term \"Broadcom\" refers to Broadcom Inc. and/or its subsidiaries.\n * This software is released under MIT license.\n * The full license information can be found in LICENSE in the root directory of this project.\n */\n\nimport {\n  AfterContentInit,\n  Component,\n  ContentChildren,\n  ElementRef,\n  Inject,\n  Injector,\n  Input,\n  OnDestroy,\n  Optional,\n  QueryList,\n  SkipSelf,\n} from '@angular/core';\n\nimport { FocusableItem } from '../../utils/focus/focusable-item/focusable-item';\nimport { AbstractPopover } from '../common/abstract-popover';\nimport { Point } from '../common/popover';\nimport { POPOVER_HOST_ANCHOR } from '../common/popover-host-anchor.token';\nimport { DropdownFocusHandler } from './providers/dropdown-focus-handler.service';\n\n@Component({\n  selector: 'clr-dropdown-menu',\n  template: `<ng-content></ng-content>`,\n  host: {\n    '[class.dropdown-menu]': 'true',\n    '[attr.role]': '\"menu\"',\n  },\n})\nexport class ClrDropdownMenu extends AbstractPopover implements AfterContentInit, OnDestroy {\n  @ContentChildren(FocusableItem) items: QueryList<FocusableItem>;\n\n  private focusHandler: DropdownFocusHandler;\n\n  constructor(\n    injector: Injector,\n    @Optional()\n    @Inject(POPOVER_HOST_ANCHOR)\n    parentHost: ElementRef<HTMLElement>,\n    @Optional()\n    @SkipSelf()\n    nested: ClrDropdownMenu,\n    focusHandler: DropdownFocusHandler\n  ) {\n    if (!parentHost) {\n      throw new Error('clr-dropdown-menu should only be used inside of a clr-dropdown');\n    }\n    super(injector, parentHost);\n    if (!nested) {\n      // Default positioning for normal dropdown is bottom-left\n      this.anchorPoint = Point.BOTTOM_LEFT;\n      this.popoverPoint = Point.LEFT_TOP;\n    } else {\n      // Default positioning for nested dropdown is right-top\n      this.anchorPoint = Point.RIGHT_TOP;\n      this.popoverPoint = Point.LEFT_TOP;\n    }\n    this.popoverOptions.allowMultipleOpen = true;\n    this.popoverOptions.ignoreGlobalESCListener = true;\n    this.closeOnOutsideClick = true;\n    this.focusHandler = focusHandler;\n  }\n\n  @Input('clrPosition')\n  set position(position: string) {\n    // set the popover values based on menu position\n    switch (position) {\n      case 'top-right':\n        this.anchorPoint = Point.TOP_RIGHT;\n        this.popoverPoint = Point.RIGHT_BOTTOM;\n        break;\n      case 'top-left':\n        this.anchorPoint = Point.TOP_LEFT;\n        this.popoverPoint = Point.LEFT_BOTTOM;\n        break;\n      case 'bottom-right':\n        this.anchorPoint = Point.BOTTOM_RIGHT;\n        this.popoverPoint = Point.RIGHT_TOP;\n        break;\n      case 'bottom-left':\n        this.anchorPoint = Point.BOTTOM_LEFT;\n        this.popoverPoint = Point.LEFT_TOP;\n        break;\n      case 'right-top':\n        this.anchorPoint = Point.RIGHT_TOP;\n        this.popoverPoint = Point.LEFT_TOP;\n        break;\n      case 'right-bottom':\n        this.anchorPoint = Point.RIGHT_BOTTOM;\n        this.popoverPoint = Point.LEFT_BOTTOM;\n        break;\n      case 'left-top':\n        this.anchorPoint = Point.LEFT_TOP;\n        this.popoverPoint = Point.RIGHT_TOP;\n        break;\n      case 'left-bottom':\n        this.anchorPoint = Point.LEFT_BOTTOM;\n        this.popoverPoint = Point.RIGHT_BOTTOM;\n        break;\n      default:\n        this.anchorPoint = Point.BOTTOM_LEFT;\n        this.popoverPoint = Point.LEFT_TOP;\n        break;\n    }\n  }\n\n  ngAfterContentInit() {\n    this.focusHandler.container = this.el.nativeElement;\n    this.items.changes.subscribe(() => this.focusHandler.addChildren(this.items.toArray()));\n    // I saw this on GitHub as a solution to avoid code duplication because of missed QueryList changes\n    this.items.notifyOnChanges();\n  }\n\n  override ngOnDestroy() {\n    super.ngOnDestroy();\n    this.focusHandler.resetChildren();\n  }\n}\n"]}