@nova-ui/bits
Version:
SolarWinds Nova Framework
113 lines • 17.5 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 { ActiveDescendantKeyManager } from "@angular/cdk/a11y";
import { Injectable } from "@angular/core";
import { KEYBOARD_CODE } from "../../constants/keycode.constants";
import * as i0 from "@angular/core";
const scrollOption = { block: "nearest" };
export class TimePickerKeyboardService {
initService(popup, overlay, trigger) {
this.overlay = overlay;
this.popup = popup;
this.menuItems = popup.menuItems.toArray();
this.keyboardEventsManager =
new ActiveDescendantKeyManager(this.menuItems);
this.menuTrigger = trigger;
}
onKeyDown(event) {
this.overlay.showing
? this.handleOpenedMenu(event)
: this.handleClosedMenu(event);
}
handleOpenedMenu(event) {
const { code } = event;
if (code === KEYBOARD_CODE.ESCAPE) {
this.hideMenu();
}
if (code === KEYBOARD_CODE.ARROW_DOWN ||
code === KEYBOARD_CODE.ARROW_UP) {
this.navigateByArrow(event);
}
if (code === KEYBOARD_CODE.ENTER) {
event.preventDefault();
this.keyboardEventsManager.activeItem?.doAction(event);
}
if (code === KEYBOARD_CODE.SPACE &&
document.activeElement === this.menuTrigger) {
event.preventDefault();
this.overlay.toggle();
}
}
handleClosedMenu(event) {
const { code } = event;
const isIconTrigger = document.activeElement === this.menuTrigger &&
this.isOpenMenuCode(code);
const isInputTrigger = document.activeElement !== this.menuTrigger &&
code === KEYBOARD_CODE.ARROW_DOWN;
if (isInputTrigger || isIconTrigger) {
event.preventDefault();
this.overlay.show();
this.keyboardEventsManager.setActiveItem(this.getSelectedIndex());
this.keyboardEventsManager.activeItem?.menuItem?.nativeElement?.scrollIntoView({ block: "center" });
}
}
hideMenu() {
this.overlay.hide();
}
navigateByArrow(event) {
const { code } = event;
const index = this.keyboardEventsManager.activeItemIndex;
event.preventDefault();
if (code === KEYBOARD_CODE.ARROW_UP && index === 0) {
this.navigateOnLast();
return;
}
if (code === KEYBOARD_CODE.ARROW_DOWN &&
index === this.menuItems.length) {
this.navigateOnFirst();
return;
}
this.keyboardEventsManager.onKeydown(event);
this.keyboardEventsManager.activeItem?.menuItem?.nativeElement?.scrollIntoView(scrollOption);
}
navigateOnLast() {
this.keyboardEventsManager.setActiveItem(this.menuItems.length - 1);
this.keyboardEventsManager.activeItem?.menuItem.nativeElement.scrollIntoView(scrollOption);
}
navigateOnFirst() {
this.keyboardEventsManager.setActiveItem(0);
this.keyboardEventsManager.activeItem?.menuItem.nativeElement.scrollIntoView(scrollOption);
}
getSelectedIndex() {
return this.menuItems.findIndex((component) => {
const parent = component.menuItem.nativeElement.parentElement;
return parent.classList.contains("nui-menu-item--selected");
});
}
isOpenMenuCode(code) {
return code === KEYBOARD_CODE.ENTER || code === KEYBOARD_CODE.SPACE;
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: TimePickerKeyboardService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: TimePickerKeyboardService }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: TimePickerKeyboardService, decorators: [{
type: Injectable
}] });
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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 { ActiveDescendantKeyManager } from \"@angular/cdk/a11y\";\nimport { Injectable } from \"@angular/core\";\n\nimport { KEYBOARD_CODE } from \"../../constants/keycode.constants\";\nimport { MenuItemBaseComponent, MenuPopupComponent } from \"../menu\";\nimport { OverlayComponent } from \"../overlay/overlay-component/overlay.component\";\n\nconst scrollOption = { block: \"nearest\" } as ScrollIntoViewOptions;\n\n@Injectable()\nexport class TimePickerKeyboardService {\n    public overlay: OverlayComponent;\n    private popup: MenuPopupComponent;\n    private menuItems: MenuItemBaseComponent[];\n    private keyboardEventsManager: ActiveDescendantKeyManager<MenuItemBaseComponent>;\n    private menuTrigger: HTMLElement;\n\n    public initService(\n        popup: MenuPopupComponent,\n        overlay: OverlayComponent,\n        trigger: HTMLElement\n    ): void {\n        this.overlay = overlay;\n        this.popup = popup;\n        this.menuItems = popup.menuItems.toArray();\n        this.keyboardEventsManager =\n            new ActiveDescendantKeyManager<MenuItemBaseComponent>(\n                this.menuItems\n            );\n        this.menuTrigger = trigger;\n    }\n\n    public onKeyDown(event: KeyboardEvent): void {\n        this.overlay.showing\n            ? this.handleOpenedMenu(event)\n            : this.handleClosedMenu(event);\n    }\n\n    private handleOpenedMenu(event: KeyboardEvent): void {\n        const { code } = event;\n\n        if (code === KEYBOARD_CODE.ESCAPE) {\n            this.hideMenu();\n        }\n\n        if (\n            code === KEYBOARD_CODE.ARROW_DOWN ||\n            code === KEYBOARD_CODE.ARROW_UP\n        ) {\n            this.navigateByArrow(event);\n        }\n\n        if (code === KEYBOARD_CODE.ENTER) {\n            event.preventDefault();\n            this.keyboardEventsManager.activeItem?.doAction(event);\n        }\n\n        if (\n            code === KEYBOARD_CODE.SPACE &&\n            document.activeElement === this.menuTrigger\n        ) {\n            event.preventDefault();\n            this.overlay.toggle();\n        }\n    }\n\n    private handleClosedMenu(event: KeyboardEvent): void {\n        const { code } = event;\n        const isIconTrigger =\n            document.activeElement === this.menuTrigger &&\n            this.isOpenMenuCode(code as KEYBOARD_CODE);\n        const isInputTrigger =\n            document.activeElement !== this.menuTrigger &&\n            code === KEYBOARD_CODE.ARROW_DOWN;\n\n        if (isInputTrigger || isIconTrigger) {\n            event.preventDefault();\n            this.overlay.show();\n            this.keyboardEventsManager.setActiveItem(this.getSelectedIndex());\n            this.keyboardEventsManager.activeItem?.menuItem?.nativeElement?.scrollIntoView(\n                { block: \"center\" }\n            );\n        }\n    }\n\n    private hideMenu(): void {\n        this.overlay.hide();\n    }\n\n    private navigateByArrow(event: KeyboardEvent): void {\n        const { code } = event;\n        const index = this.keyboardEventsManager.activeItemIndex;\n\n        event.preventDefault();\n\n        if (code === KEYBOARD_CODE.ARROW_UP && index === 0) {\n            this.navigateOnLast();\n\n            return;\n        }\n\n        if (\n            code === KEYBOARD_CODE.ARROW_DOWN &&\n            index === this.menuItems.length\n        ) {\n            this.navigateOnFirst();\n\n            return;\n        }\n\n        this.keyboardEventsManager.onKeydown(event);\n        this.keyboardEventsManager.activeItem?.menuItem?.nativeElement?.scrollIntoView(\n            scrollOption\n        );\n    }\n\n    private navigateOnLast(): void {\n        this.keyboardEventsManager.setActiveItem(this.menuItems.length - 1);\n        this.keyboardEventsManager.activeItem?.menuItem.nativeElement.scrollIntoView(\n            scrollOption\n        );\n    }\n\n    private navigateOnFirst(): void {\n        this.keyboardEventsManager.setActiveItem(0);\n        this.keyboardEventsManager.activeItem?.menuItem.nativeElement.scrollIntoView(\n            scrollOption\n        );\n    }\n\n    private getSelectedIndex(): number {\n        return this.menuItems.findIndex((component) => {\n            const parent = component.menuItem.nativeElement.parentElement;\n\n            return parent.classList.contains(\"nui-menu-item--selected\");\n        });\n    }\n\n    private isOpenMenuCode(code: KEYBOARD_CODE): boolean {\n        return code === KEYBOARD_CODE.ENTER || code === KEYBOARD_CODE.SPACE;\n    }\n}\n"]}