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import { property } from 'lit/decorators.js';
import { CustomEventType, Shortcut } from '../interfaces';
import { StoreMonitorElement } from '../store/StoreMonitorElement';
import { Options } from '../display/Options';
export class ShortcutList extends StoreMonitorElement {
static get styles() {
return css`
temba-options {
display: block;
width: 100%;
flex-grow: 1;
}
.options-empty {
height: 0;
overflow: hidden;
}
.no-match {
margin: 5px 10px;
padding: 10px;
}
.filter {
background: #f3f3f3;
padding: 0.1em 0.3em;
border-radius: var(--curvature);
}
.search-box {
padding: 6px 8px;
border-bottom: 1px solid var(--color-widget-border, #e6e6e6);
}
.search-box input {
width: 100%;
border: none;
outline: none;
font-size: 0.9em;
padding: 4px 0;
background: transparent;
font-family: inherit;
}
`;
}
@property({ type: String })
filter: string;
@property({ type: Boolean })
showSearch = false;
@property({ type: Array })
filteredShortcuts = [];
@property({ type: Number })
cursorIndex = 0;
constructor() {
super();
}
protected firstUpdated(
changes: PropertyValueMap<any> | Map<PropertyKey, unknown>
): void {
super.firstUpdated(changes);
}
public storeUpdated(): void {
this.filteredShortcuts = this.store.getShortcuts();
}
public updated(
changes: PropertyValueMap<any> | Map<PropertyKey, unknown>
): void {
super.updated(changes);
if (changes.has('filter')) {
if (!this.filter) {
this.filteredShortcuts = this.store.getShortcuts();
} else {
this.filteredShortcuts = this.store
.getShortcuts()
.filter((shortcut: Shortcut) =>
shortcut.name.toLowerCase().includes(this.filter.toLowerCase())
);
}
this.cursorIndex = 0;
}
}
public renderShortcut(shortcut: Shortcut): TemplateResult {
return html`<div style="display:flex;align-items: center;min-width:0">
<div
style="
overflow: hidden;
text-overflow: ellipsis;
width:175px;
padding-right: 10px;
white-space: nowrap;"
>
${shortcut.name}
</div>
<div
style="
font-size: 0.9em;
color: rgba(0, 0, 0, 0.4);
flex:1;
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
line-height: 16px;
max-height: 16px;
-webkit-line-clamp: 1;
-webkit-box-orient: vertical;
"
>
${shortcut.text}
</div>
</div>`;
}
public getShortcut() {
const options = this.shadowRoot.querySelector('temba-options') as Options;
return options.getSelection();
}
private handleSearchInput(evt: Event) {
this.filter = (evt.target as HTMLInputElement).value;
}
private handleSearchKeyDown(evt: KeyboardEvent) {
if (evt.key === 'ArrowDown') {
evt.preventDefault();
this.cursorIndex = Math.min(
this.cursorIndex + 1,
this.filteredShortcuts.length - 1
);
} else if (evt.key === 'ArrowUp') {
evt.preventDefault();
this.cursorIndex = Math.max(this.cursorIndex - 1, 0);
} else if (evt.key === 'Enter') {
evt.preventDefault();
evt.stopPropagation();
if (this.filteredShortcuts.length > 0) {
const selected = this.filteredShortcuts[this.cursorIndex];
this.fireCustomEvent(CustomEventType.Selection, { selected });
}
}
}
public focusSearch() {
const input = this.shadowRoot?.querySelector(
'.search-box input'
) as HTMLInputElement;
if (input) {
input.focus();
}
}
public render(): TemplateResult {
return html`
${this.showSearch
? html`<div class="search-box">
<input
type="text"
placeholder="Search shortcuts..."
@input=${this.handleSearchInput}
@keydown=${this.handleSearchKeyDown}
/>
</div>`
: null}
${this.filteredShortcuts.length === 0
? html`<div class="no-match">
${this.filter
? html`No matches for <span class="filter">${this.filter}</span>.`
: html`No shortcuts yet, create some to quickly include them in
your messages.`}
</div>`
: null}
<temba-options
class="options-${this.filteredShortcuts.length === 0
? 'empty'
: 'full'}"
block
cursorHover
visible
.renderOption=${this.renderShortcut}
.cursorIndex=${this.cursorIndex}
.options=${this.filteredShortcuts}
></temba-options>
`;
}
}
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