igniteui-webcomponents
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Ignite UI for Web Components is a complete library of UI components, giving you the ability to build modern web applications using encapsulation and the concept of reusable components in a dependency-free approach.
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JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var IgcExpansionPanelComponent_1;
import { LitElement, html, nothing } from 'lit';
import { property, queryAssignedElements } from 'lit/decorators.js';
import { createRef, ref } from 'lit/directives/ref.js';
import { addAnimationController } from '../../animations/player.js';
import { growVerIn, growVerOut } from '../../animations/presets/grow/index.js';
import { themes } from '../../theming/theming-decorator.js';
import { addKeybindings, altKey, arrowDown, arrowUp, } from '../common/controllers/key-bindings.js';
import { registerComponent } from '../common/definitions/register.js';
import { EventEmitterMixin } from '../common/mixins/event-emitter.js';
import { createCounter, isEmpty } from '../common/util.js';
import IgcIconComponent from '../icon/icon.js';
import { styles } from './themes/expansion-panel.base.css.js';
import { styles as shared } from './themes/shared/expansion-panel.common.css.js';
import { all } from './themes/themes.js';
let IgcExpansionPanelComponent = IgcExpansionPanelComponent_1 = class IgcExpansionPanelComponent extends EventEmitterMixin(LitElement) {
static register() {
registerComponent(IgcExpansionPanelComponent_1, IgcIconComponent);
}
constructor() {
super();
this.headerRef = createRef();
this.contentRef = createRef();
this.animationPlayer = addAnimationController(this, this.contentRef);
this.open = false;
this.disabled = false;
this.indicatorPosition = 'start';
addKeybindings(this, {
ref: this.headerRef,
skip: () => this.disabled,
bindingDefaults: { preventDefault: true },
})
.setActivateHandler(this.toggleWithEvent)
.set([altKey, arrowDown], this.openWithEvent)
.set([altKey, arrowUp], this.closeWithEvent);
}
createRenderRoot() {
const root = super.createRenderRoot();
root.addEventListener('slotchange', () => this.requestUpdate());
return root;
}
connectedCallback() {
super.connectedCallback();
this._panelId =
this.id ||
`igc-expansion-panel-${IgcExpansionPanelComponent_1.increment()}`;
}
handleClick() {
this.headerRef.value.focus();
this.toggleWithEvent();
}
toggleWithEvent() {
this.open ? this.closeWithEvent() : this.openWithEvent();
}
async toggleAnimation(dir) {
const animation = dir === 'open' ? growVerIn : growVerOut;
const [_, event] = await Promise.all([
this.animationPlayer.stopAll(),
this.animationPlayer.play(animation()),
]);
return event.type === 'finish';
}
async openWithEvent() {
if (this.open ||
!this.emitEvent('igcOpening', { cancelable: true, detail: this })) {
return;
}
this.open = true;
if (await this.toggleAnimation('open')) {
this.emitEvent('igcOpened', { detail: this });
}
}
async closeWithEvent() {
if (!(this.open &&
this.emitEvent('igcClosing', { cancelable: true, detail: this }))) {
return;
}
this.open = false;
if (await this.toggleAnimation('close')) {
this.emitEvent('igcClosed', { detail: this });
}
}
async toggle() {
return this.open ? this.hide() : this.show();
}
async hide() {
if (!this.open) {
return false;
}
this.open = false;
await this.toggleAnimation('close');
return true;
}
async show() {
if (this.open) {
return false;
}
this.open = true;
await this.toggleAnimation('open');
return true;
}
renderIndicatorTemplate() {
const indicatorHidden = this.open && this._indicatorExpandedElements.length > 0;
const indicatorExpandedHidden = isEmpty(this._indicatorExpandedElements) || !this.open;
return html `
<div part="indicator" aria-hidden="true">
<slot name="indicator" ?hidden=${indicatorHidden}>
<igc-icon
name=${this.open ? 'collapse' : 'expand'}
collection="default"
>
</igc-icon>
</slot>
<slot
name="indicator-expanded"
?hidden=${indicatorExpandedHidden}
></slot>
</div>
`;
}
renderHeaderTemplate() {
return html `
<div
${ref(this.headerRef)}
part="header"
id="${this._panelId}-header"
role="button"
aria-expanded=${this.open}
aria-disabled=${this.disabled}
aria-controls="${this._panelId}-content"
tabindex=${this.disabled ? '-1' : '0'}
=${this.disabled ? nothing : this.handleClick}
>
${this.renderIndicatorTemplate()}
<div>
<slot name="title" part="title"></slot>
<slot name="subtitle" part="subtitle"></slot>
</div>
</div>
`;
}
renderContentTemplate() {
return html `
<div
${ref(this.contentRef)}
part="content"
role="region"
id="${this._panelId}-content"
aria-labelledby="${this._panelId}-header"
.inert=${!this.open}
aria-hidden=${!this.open}
>
<slot></slot>
</div>
`;
}
render() {
return html `${this.renderHeaderTemplate()}${this.renderContentTemplate()}`;
}
};
IgcExpansionPanelComponent.tagName = 'igc-expansion-panel';
IgcExpansionPanelComponent.styles = [styles, shared];
IgcExpansionPanelComponent.increment = createCounter();
__decorate([
queryAssignedElements({ slot: 'indicator-expanded' })
], IgcExpansionPanelComponent.prototype, "_indicatorExpandedElements", void 0);
__decorate([
property({ reflect: true, type: Boolean })
], IgcExpansionPanelComponent.prototype, "open", void 0);
__decorate([
property({ reflect: true, type: Boolean })
], IgcExpansionPanelComponent.prototype, "disabled", void 0);
__decorate([
property({ reflect: true, attribute: 'indicator-position' })
], IgcExpansionPanelComponent.prototype, "indicatorPosition", void 0);
IgcExpansionPanelComponent = IgcExpansionPanelComponent_1 = __decorate([
themes(all)
], IgcExpansionPanelComponent);
export default IgcExpansionPanelComponent;
//# sourceMappingURL=expansion-panel.js.map