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@clr/angular

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Angular components for Clarity

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/* * 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, Input } from '@angular/core'; import { Keys } from '../../../utils/enums/keys.enum'; import { ClrKeyFocus } from './key-focus'; import * as i0 from "@angular/core"; export class ClrRovingTabindex extends ClrKeyFocus { constructor(elementRef, renderer) { super(elementRef); this.renderer = renderer; this.disabled = false; } // Proxy the input, as the selector name from parent class will still be "clrKeyFocus". get rovingIndexItems() { return this.focusableItems; } set rovingIndexItems(elements) { this.focusableItems = elements; } set rovingTabindexDisabled(disabled) { this.disabled = disabled; if (this.currentItem) { this.setTabindex(this.currentItem, disabled ? -1 : 0); } } handleKeyboardEvent(event) { if (this.prevKeyPressed(event) && this.currentFocusIsNotFirstItem()) { this.updateTabindex(this.current - 1); } else if (this.nextKeyPressed(event) && this.currentFocusIsNotLastItem()) { this.updateTabindex(this.current + 1); } else if (event.code === Keys.Home) { this.updateTabindex(0); } else if (event.code === Keys.End) { this.updateTabindex(this.focusableItems.length - 1); } super.handleKeyboardEvent(event); } setClickedItemCurrent(event) { let position; if (this.focusableItems[0].nativeElement) { position = this.focusableItems.map(item => item.nativeElement).indexOf(event.target); } else { position = this.focusableItems.indexOf(event.target); } if (position > -1) { this.updateTabindex(position); } super.setClickedItemCurrent(event); } initializeFocus() { if (this.focusableItems && this.focusableItems.length) { this.focusableItems.forEach(item => { this.setTabindex(item, -1); }); // It is possible that the focus was on an element, whose index is no longer available. // This can happen when some of the focusable elements are being removed. // In such cases, the new focus is initialized on the last focusable element. if (this.current >= this.focusableItems.length) { this.current = this.focusableItems.length - 1; } if (!this.disabled && this.currentItem) { this.setTabindex(this.currentItem, 0); } } super.initializeFocus(); } updateTabindex(newIndex) { this.setTabindex(this.currentItem, -1); this.setTabindex(this.focusableItems[newIndex], 0); } setTabindex(item, value) { if (item instanceof HTMLElement) { this.renderer.setAttribute(item, 'tabindex', value.toString()); } else { this.renderer.setAttribute(item.nativeElement, 'tabindex', value.toString()); } } } ClrRovingTabindex.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrRovingTabindex, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }], target: i0.ɵɵFactoryTarget.Component }); ClrRovingTabindex.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.2", type: ClrRovingTabindex, selector: "[clrRovingTabindex]", inputs: { rovingIndexItems: ["clrRovingTabindex", "rovingIndexItems"], rovingTabindexDisabled: ["clrRovingTabindexDisabled", "rovingTabindexDisabled"] }, usesInheritance: true, ngImport: i0, template: '<ng-content></ng-content>', isInline: true }); i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrRovingTabindex, decorators: [{ type: Component, args: [{ selector: '[clrRovingTabindex]', template: '<ng-content></ng-content>', }] }], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.Renderer2 }]; }, propDecorators: { rovingIndexItems: [{ type: Input, args: ['clrRovingTabindex'] }], rovingTabindexDisabled: [{ type: Input, args: ['clrRovingTabindexDisabled'] }] } }); //# sourceMappingURL=data:application/json;base64,{"version":3,"file":"roving-tabindex.js","sourceRoot":"","sources":["../../../../../../projects/angular/src/utils/focus/key-focus/roving-tabindex.ts"],"names":[],"mappings":"AAAA;;;;;GAKG;AAEH,OAAO,EAAE,SAAS,EAAc,KAAK,EAAa,MAAM,eAAe,CAAC;AAExE,OAAO,EAAE,IAAI,EAAE,MAAM,gCAAgC,CAAC;AAEtD,OAAO,EAAE,WAAW,EAAE,MAAM,aAAa,CAAC;;AAM1C,MAAM,OAAO,iBAAkB,SAAQ,WAAW;IAGhD,YAAY,UAAmC,EAAU,QAAmB;QAC1E,KAAK,CAAC,UAAU,CAAC,CAAC;QADqC,aAAQ,GAAR,QAAQ,CAAW;QAFpE,aAAQ,GAAG,KAAK,CAAC;IAIzB,CAAC;IAED,uFAAuF;IACvF,IACI,gBAAgB;QAClB,OAAO,IAAI,CAAC,cAAc,CAAC;IAC7B,CAAC;IACD,IAAI,gBAAgB,CAAC,QAAuC;QAC1D,IAAI,CAAC,cAAc,GAAG,QAAgC,CAAC;IACzD,CAAC;IAED,IACI,sBAAsB,CAAC,QAAiB;QAC1C,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,IAAI,CAAC,WAAW,EAAE;YACpB,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,WAAW,EAAE,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;SACvD;IACH,CAAC;IAEQ,mBAAmB,CAAC,KAAoB;QAC/C,IAAI,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,IAAI,IAAI,CAAC,0BAA0B,EAAE,EAAE;YACnE,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC,CAAC;SACvC;aAAM,IAAI,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,IAAI,IAAI,CAAC,yBAAyB,EAAE,EAAE;YACzE,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC,CAAC;SACvC;aAAM,IAAI,KAAK,CAAC,IAAI,KAAK,IAAI,CAAC,IAAI,EAAE;YACnC,IAAI,CAAC,cAAc,CAAC,CAAC,CAAC,CAAC;SACxB;aAAM,IAAI,KAAK,CAAC,IAAI,KAAK,IAAI,CAAC,GAAG,EAAE;YAClC,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,cAAc,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC;SACrD;QACD,KAAK,CAAC,mBAAmB,CAAC,KAAK,CAAC,CAAC;IACnC,CAAC;IAEQ,qBAAqB,CAAC,KAAU;QACvC,IAAI,QAAgB,CAAC;QAErB,IAAI,IAAI,CAAC,cAAc,CAAC,CAAC,CAAC,CAAC,aAAa,EAAE;YACxC,QAAQ,GAAG,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,IAAI,CAAC,EAAE,CAAC,IAAI,CAAC,aAAa,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC;SACtF;aAAM;YACL,QAAQ,GAAG,IAAI,CAAC,cAAc,CAAC,OAAO,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC;SACtD;QAED,IAAI,QAAQ,GAAG,CAAC,CAAC,EAAE;YACjB,IAAI,CAAC,cAAc,CAAC,QAAQ,CAAC,CAAC;SAC/B;QACD,KAAK,CAAC,qBAAqB,CAAC,KAAK,CAAC,CAAC;IACrC,CAAC;IAEkB,eAAe;QAChC,IAAI,IAAI,CAAC,cAAc,IAAI,IAAI,CAAC,cAAc,CAAC,MAAM,EAAE;YACrD,IAAI,CAAC,cAAc,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE;gBACjC,IAAI,CAAC,WAAW,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC,CAAC;YAC7B,CAAC,CAAC,CAAC;YAEH,uFAAuF;YACvF,yEAAyE;YACzE,6EAA6E;YAC7E,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI,CAAC,cAAc,CAAC,MAAM,EAAE;gBAC9C,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,cAAc,CAAC,MAAM,GAAG,CAAC,CAAC;aAC/C;YACD,IAAI,CAAC,IAAI,CAAC,QAAQ,IAAI,IAAI,CAAC,WAAW,EAAE;gBACtC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC,CAAC;aACvC;SACF;QACD,KAAK,CAAC,eAAe,EAAE,CAAC;IAC1B,CAAC;IAEO,cAAc,CAAC,QAAgB;QACrC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC,CAAC,CAAC;QACvC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,cAAc,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC,CAAC;IACrD,CAAC;IAEO,WAAW,CAAC,IAAmB,EAAE,KAAa;QACpD,IAAI,IAAI,YAAY,WAAW,EAAE;YAC/B,IAAI,CAAC,QAAQ,CAAC,YAAY,CAAC,IAAI,EAAE,UAAU,EAAE,KAAK,CAAC,QAAQ,EAAE,CAAC,CAAC;SAChE;aAAM;YACL,IAAI,CAAC,QAAQ,CAAC,YAAY,CAAC,IAAI,CAAC,aAAa,EAAE,UAAU,EAAE,KAAK,CAAC,QAAQ,EAAE,CAAC,CAAC;SAC9E;IACH,CAAC;;8GAlFU,iBAAiB;kGAAjB,iBAAiB,4OAFlB,2BAA2B;2FAE1B,iBAAiB;kBAJ7B,SAAS;mBAAC;oBACT,QAAQ,EAAE,qBAAqB;oBAC/B,QAAQ,EAAE,2BAA2B;iBACtC;yHAUK,gBAAgB;sBADnB,KAAK;uBAAC,mBAAmB;gBAStB,sBAAsB;sBADzB,KAAK;uBAAC,2BAA2B","sourcesContent":["/*\n * Copyright (c) 2016-2025 Broadcom. 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 { Component, ElementRef, Input, Renderer2 } from '@angular/core';\n\nimport { Keys } from '../../../utils/enums/keys.enum';\nimport { FocusableItem } from './interfaces';\nimport { ClrKeyFocus } from './key-focus';\n\n@Component({\n  selector: '[clrRovingTabindex]',\n  template: '<ng-content></ng-content>',\n})\nexport class ClrRovingTabindex extends ClrKeyFocus {\n  private disabled = false;\n\n  constructor(elementRef: ElementRef<HTMLElement>, private renderer: Renderer2) {\n    super(elementRef);\n  }\n\n  // Proxy the input, as the selector name from parent class will still be \"clrKeyFocus\".\n  @Input('clrRovingTabindex')\n  get rovingIndexItems(): Array<FocusableItem> | string {\n    return this.focusableItems;\n  }\n  set rovingIndexItems(elements: Array<FocusableItem> | string) {\n    this.focusableItems = elements as Array<FocusableItem>;\n  }\n\n  @Input('clrRovingTabindexDisabled')\n  set rovingTabindexDisabled(disabled: boolean) {\n    this.disabled = disabled;\n    if (this.currentItem) {\n      this.setTabindex(this.currentItem, disabled ? -1 : 0);\n    }\n  }\n\n  override handleKeyboardEvent(event: KeyboardEvent) {\n    if (this.prevKeyPressed(event) && this.currentFocusIsNotFirstItem()) {\n      this.updateTabindex(this.current - 1);\n    } else if (this.nextKeyPressed(event) && this.currentFocusIsNotLastItem()) {\n      this.updateTabindex(this.current + 1);\n    } else if (event.code === Keys.Home) {\n      this.updateTabindex(0);\n    } else if (event.code === Keys.End) {\n      this.updateTabindex(this.focusableItems.length - 1);\n    }\n    super.handleKeyboardEvent(event);\n  }\n\n  override setClickedItemCurrent(event: any) {\n    let position: number;\n\n    if (this.focusableItems[0].nativeElement) {\n      position = this.focusableItems.map(item => item.nativeElement).indexOf(event.target);\n    } else {\n      position = this.focusableItems.indexOf(event.target);\n    }\n\n    if (position > -1) {\n      this.updateTabindex(position);\n    }\n    super.setClickedItemCurrent(event);\n  }\n\n  protected override initializeFocus() {\n    if (this.focusableItems && this.focusableItems.length) {\n      this.focusableItems.forEach(item => {\n        this.setTabindex(item, -1);\n      });\n\n      // It is possible that the focus was on an element, whose index is no longer available.\n      // This can happen when some of the focusable elements are being removed.\n      // In such cases, the new focus is initialized on the last focusable element.\n      if (this.current >= this.focusableItems.length) {\n        this.current = this.focusableItems.length - 1;\n      }\n      if (!this.disabled && this.currentItem) {\n        this.setTabindex(this.currentItem, 0);\n      }\n    }\n    super.initializeFocus();\n  }\n\n  private updateTabindex(newIndex: number) {\n    this.setTabindex(this.currentItem, -1);\n    this.setTabindex(this.focusableItems[newIndex], 0);\n  }\n\n  private setTabindex(item: FocusableItem, value: number) {\n    if (item instanceof HTMLElement) {\n      this.renderer.setAttribute(item, 'tabindex', value.toString());\n    } else {\n      this.renderer.setAttribute(item.nativeElement, 'tabindex', value.toString());\n    }\n  }\n}\n"]}