@nova-ui/bits
Version:
SolarWinds Nova Framework
106 lines • 16.4 kB
JavaScript
// © 2022 SolarWinds Worldwide, LLC. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import { ListKeyManager, LiveAnnouncer } from "@angular/cdk/a11y";
import { Injectable } from "@angular/core";
import isNull from "lodash/isNull";
import { ANNOUNCER_CLOSE_SORTER_LIST_MESSAGE, ANNOUNCER_OPEN_SORTER_LIST_MESSAGE_SUFFIX, } from "./constants";
import { KEYBOARD_CODE } from "../../constants/keycode.constants";
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/a11y";
export class SorterKeyboardService {
constructor(liveAnnouncer) {
this.liveAnnouncer = liveAnnouncer;
}
initKeyboardManager() {
this.keyboardEventsManager = new ListKeyManager(this.menuItems).withVerticalOrientation();
// TODO Uncomment in the scope of NUI-6132
// this.keyboardEventsManager.setFirstItemActive();
// TODO Remove this in the scope of NUI-6132
this.keyboardEventsManager.setActiveItem(-1);
}
handleKeydown(event) {
this.overlay.showing
? this.handleOpenKeyDown(event)
: this.handleClosedKeyDown(event);
}
getActiveItemIndex() {
return this.keyboardEventsManager.activeItemIndex;
}
announceDropdown() {
const message = this.overlay.showing
? `${this.menuItems.length} ${ANNOUNCER_OPEN_SORTER_LIST_MESSAGE_SUFFIX}`
: ANNOUNCER_CLOSE_SORTER_LIST_MESSAGE;
this.liveAnnouncer.announce(message);
}
handleOpenKeyDown(event) {
this.keyboardEventsManager.activeItem?.setInactiveStyles();
if (event.code === KEYBOARD_CODE.ARROW_DOWN ||
event.code === KEYBOARD_CODE.ARROW_UP) {
this.keyboardEventsManager.onKeydown(event);
this.announceCurrentItem();
}
// TODO Remove this in the scope of NUI-6132
// prevent closing on enter when item is not focused
if (!this.hasActiveItem() && event.code === KEYBOARD_CODE.ENTER) {
event.preventDefault();
}
if (this.hasActiveItem() && event.code === KEYBOARD_CODE.ENTER) {
event.preventDefault();
this.keyboardEventsManager.activeItem?.menuItem.nativeElement.click();
// TODO Remove this in the scope of NUI-6132
this.keyboardEventsManager.setActiveItem(-1);
}
if (event.code === KEYBOARD_CODE.TAB ||
event.code === KEYBOARD_CODE.ESCAPE) {
this.overlay.hide();
this.announceDropdown();
// TODO Remove this in the scope of NUI-6132
this.keyboardEventsManager.setActiveItem(-1);
}
this.keyboardEventsManager.activeItem?.setActiveStyles();
}
handleClosedKeyDown(event) {
// prevent scrolling page on key down/key up when sorter focused
if (this.shouldPreventDefault(event)) {
event.preventDefault();
}
}
hasActiveItem() {
if (isNull(this.keyboardEventsManager.activeItem) ||
isNull(this.keyboardEventsManager.activeItemIndex)) {
return false;
}
return (this.keyboardEventsManager.activeItem &&
this.keyboardEventsManager.activeItemIndex >= 0);
}
shouldPreventDefault(event) {
return (event.code === KEYBOARD_CODE.ARROW_DOWN ||
event.code === KEYBOARD_CODE.ARROW_UP);
}
announceCurrentItem() {
this.liveAnnouncer.announce(`Sort by ${this.keyboardEventsManager?.activeItem?.menuItem.nativeElement.innerText}.`);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: SorterKeyboardService, deps: [{ token: i1.LiveAnnouncer }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: SorterKeyboardService }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: SorterKeyboardService, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: i1.LiveAnnouncer }] });
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All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n//  of this software and associated documentation files (the \"Software\"), to\n//  deal in the Software without restriction, including without limitation the\n//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n//  sell copies of the Software, and to permit persons to whom the Software is\n//  furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n//  all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n//  THE SOFTWARE.\n\nimport { ListKeyManager, LiveAnnouncer } from \"@angular/cdk/a11y\";\nimport { Injectable, QueryList } from \"@angular/core\";\nimport isNull from \"lodash/isNull\";\n\nimport {\n    ANNOUNCER_CLOSE_SORTER_LIST_MESSAGE,\n    ANNOUNCER_OPEN_SORTER_LIST_MESSAGE_SUFFIX,\n} from \"./constants\";\nimport { KEYBOARD_CODE } from \"../../constants/keycode.constants\";\nimport { MenuItemBaseComponent } from \"../menu\";\nimport { OverlayComponent } from \"../overlay/overlay-component/overlay.component\";\n\n@Injectable()\nexport class SorterKeyboardService {\n    public overlay: OverlayComponent;\n    public menuItems: QueryList<MenuItemBaseComponent>;\n    private keyboardEventsManager: ListKeyManager<MenuItemBaseComponent>;\n\n    constructor(private liveAnnouncer: LiveAnnouncer) {}\n\n    public initKeyboardManager(): void {\n        this.keyboardEventsManager = new ListKeyManager(\n            this.menuItems\n        ).withVerticalOrientation();\n        // TODO Uncomment in the scope of NUI-6132\n        // this.keyboardEventsManager.setFirstItemActive();\n\n        // TODO Remove this in the scope of NUI-6132\n        this.keyboardEventsManager.setActiveItem(-1);\n    }\n\n    public handleKeydown(event: KeyboardEvent): void {\n        this.overlay.showing\n            ? this.handleOpenKeyDown(event)\n            : this.handleClosedKeyDown(event);\n    }\n\n    public getActiveItemIndex(): number | null {\n        return this.keyboardEventsManager.activeItemIndex;\n    }\n\n    public announceDropdown(): void {\n        const message = this.overlay.showing\n            ? `${this.menuItems.length} ${ANNOUNCER_OPEN_SORTER_LIST_MESSAGE_SUFFIX}`\n            : ANNOUNCER_CLOSE_SORTER_LIST_MESSAGE;\n        this.liveAnnouncer.announce(message);\n    }\n\n    private handleOpenKeyDown(event: KeyboardEvent): void {\n        this.keyboardEventsManager.activeItem?.setInactiveStyles();\n        if (\n            event.code === KEYBOARD_CODE.ARROW_DOWN ||\n            event.code === KEYBOARD_CODE.ARROW_UP\n        ) {\n            this.keyboardEventsManager.onKeydown(event);\n            this.announceCurrentItem();\n        }\n\n        // TODO Remove this in the scope of NUI-6132\n        // prevent closing on enter when item is not focused\n        if (!this.hasActiveItem() && event.code === KEYBOARD_CODE.ENTER) {\n            event.preventDefault();\n        }\n\n        if (this.hasActiveItem() && event.code === KEYBOARD_CODE.ENTER) {\n            event.preventDefault();\n            this.keyboardEventsManager.activeItem?.menuItem.nativeElement.click();\n\n            // TODO Remove this in the scope of NUI-6132\n            this.keyboardEventsManager.setActiveItem(-1);\n        }\n\n        if (\n            event.code === KEYBOARD_CODE.TAB ||\n            event.code === KEYBOARD_CODE.ESCAPE\n        ) {\n            this.overlay.hide();\n            this.announceDropdown();\n\n            // TODO Remove this in the scope of NUI-6132\n            this.keyboardEventsManager.setActiveItem(-1);\n        }\n\n        this.keyboardEventsManager.activeItem?.setActiveStyles();\n    }\n\n    private handleClosedKeyDown(event: KeyboardEvent): void {\n        // prevent scrolling page on key down/key up when sorter focused\n        if (this.shouldPreventDefault(event)) {\n            event.preventDefault();\n        }\n    }\n\n    private hasActiveItem(): boolean {\n        if (\n            isNull(this.keyboardEventsManager.activeItem) ||\n            isNull(this.keyboardEventsManager.activeItemIndex)\n        ) {\n            return false;\n        }\n        return (\n            this.keyboardEventsManager.activeItem &&\n            this.keyboardEventsManager.activeItemIndex >= 0\n        );\n    }\n\n    private shouldPreventDefault(event: KeyboardEvent) {\n        return (\n            event.code === KEYBOARD_CODE.ARROW_DOWN ||\n            event.code === KEYBOARD_CODE.ARROW_UP\n        );\n    }\n\n    private announceCurrentItem() {\n        this.liveAnnouncer.announce(\n            `Sort by ${this.keyboardEventsManager?.activeItem?.menuItem.nativeElement.innerText}.`\n        );\n    }\n}\n"]}