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import { property } from 'lit/decorators.js';
import { CustomEventType } from '../interfaces';
import { RapidElement, EventHandler } from '../RapidElement';
import { styleMap } from 'lit-html/directives/style-map.js';
import { getClasses, getScrollParent, throttle } from '../utils';
import { msg } from '@lit/localize';
import { designTokens } from '../styles/designTokens';
export class Options extends RapidElement {
static get styles() {
return css`
${designTokens}
:host {
--transition-speed: 0;
}
.options-container {
background: var(--color-options-bg);
user-select: none;
border-radius: var(--curvature-widget);
overflow: hidden;
display: flex;
flex-direction: column;
transition:
transform var(--transition-speed) cubic-bezier(0.71, 0.18, 0.61, 1.33),
opacity var(--transition-speed) cubic-bezier(0.71, 0.18, 0.61, 1.33);
opacity: 0;
z-index: 1000;
pointer-events: none;
position: relative;
}
.shadow {
box-shadow: var(--options-shadow);
}
.anchored {
position: fixed;
}
:host([block]) .options-container {
flex-grow: 1;
height: 100%;
border: none;
/* Block-mode is inline (ticket sidebar, etc.) — drop the
z-index so floating popups (selects, dropdowns) opened over
the block list always stack above its options. */
z-index: auto;
}
:host([block]) .options-scroll {
height: 100%;
visibility: visible;
overflow-y: auto;
flex-grow: 1;
-webkit-mask-image: -webkit-radial-gradient(white, black);
}
:host([block]) {
border-radius: var(--curvature);
display: block;
height: 100%;
}
:host([block]) .shadow {
box-shadow: var(--options-block-shadow);
}
.bordered {
border: 1px solid var(--color-widget-border) !important;
}
:host([block]) .options {
margin-bottom: 1.5em;
}
.options-scroll {
display: flex;
flex-direction: column;
}
:host([collapsed]) temba-icon {
flex-grow: 1;
margin-right: 0px !important;
padding-top: 0.25em;
padding-bottom: 0.25em;
}
:host([collapsed]) .name {
display: none;
}
:host([collapsed]) .count {
display: none;
}
.options {
border-radius: var(--curvature-widget);
overflow-y: auto;
max-height: 200px;
border: none;
}
/* When shown, the popup is opaque and clickable. Keep the
high z-index from .options-container so the popup stacks
above neighboring widgets — e.g. embedded prefix labels of
later form fields, which sit absolutely positioned at the
top edge of their host element. */
.show {
opacity: 1;
pointer-events: auto;
margin-top: var(--options-margin-top);
}
/* Floating popup border uses --focus-muted (not --color-focus)
so a parent field's error state — which overrides
--color-focus to red via .has-error — doesn't turn the
popup red. The popup stays blue regardless. Single source
of truth: --focus in designTokens. No halo here — the
dropdown is an attached panel, not its own focus indicator
(the parent select keeps its own halo). Block-mode renders
inline and skips this rule entirely. */
:host(:not([block])) .show {
border: 1px solid var(--temba-options-focus-border, var(--focus-muted));
}
/* Each option is a DS-style list row: flat, fixed height,
tight padding, no inter-item margin. Full-bleed background on
hover/focus → no border-radius (rounded corners would leave
visible gaps at the dropdown edges). */
.option {
font-size: var(--temba-options-font-size, 13.5px);
padding: var(--temba-options-option-padding, 0 var(--pad));
border-radius: var(--temba-options-option-radius, 0);
margin: var(--temba-options-option-margin, 0);
min-height: var(--temba-options-option-min-height, 32px);
display: flex;
align-items: center;
cursor: pointer;
color: var(--text-1);
scroll-margin: 5px 0px;
text-align: left;
}
/* A single wrapping renderOption child stretches to fill the row
so custom templates (e.g. ones using justify-content:
space-between to right-align trailing badges) get the full
width to lay out in. Scoped to :only-child so a renderOption
that emits multiple top-level siblings keeps its natural
layout instead of getting an equal-width flex partition. */
.option > :only-child {
flex: 1;
min-width: 0;
}
/* Block-mode (inline, always-visible lists like the ticket
sidebar): inset every option uniformly from the container
and from each other (padding + flex gap), and re-add the
radius so the focused/active wash reads as a rounded pill
instead of a stripe. Rich custom renderOption content
(multi-line ticket cards, etc.) also wants more vertical
padding than the dropdown's compact rows. */
:host([block]) .options-scroll {
padding: 4px;
gap: 4px;
}
:host([block]) .option {
margin: 0;
padding: 8px var(--pad);
border-radius: var(--r-sm);
}
.option * {
user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
overflow-wrap: break-word;
word-wrap: break-word;
-ms-word-break: break-all;
word-break: break-word;
-ms-hyphens: auto;
-moz-hyphens: auto;
-webkit-hyphens: auto;
hyphens: auto;
}
.option .detail {
font-size: 85%;
color: rgba(0, 0, 0, 0.4);
}
code {
background: rgba(0, 0, 0, 0.05);
padding: 1px 5px;
border-radius: var(--curvature-widget);
}
:host([block]) {
position: relative;
}
:host([block]) .options {
overflow-y: initial;
}
temba-loading {
align-self: center;
margin-top: 0.025em;
}
.loader-bar {
pointer-events: none;
align-items: center;
background: #eee;
max-height: 0;
transition: max-height var(--transition-speed) ease-in-out;
border-bottom-left-radius: var(--curvature-widget);
border-bottom-right-radius: var(--curvature-widget);
display: flex;
overflow: hidden;
}
.loading .loader-bar {
max-height: 1.1em;
}
/* The component syncs cursorIndex to pointer position on
mousemove, so .focused already follows the mouse. A
separate :hover rule would just create a second highlight
that flickers between rows on transition — keep only the
single focused/active state. */
.option.focused {
background: var(
--temba-options-option-focus-bg,
var(--color-selection)
);
color: var(--temba-options-option-focus-text, var(--accent-700));
--icon-color: var(--accent-700);
}
.option.no-options {
pointer-events: none;
}
.option.no-options:hover {
background: transparent;
color: var(--color-text-dark-secondary);
}
`;
}
@property({ type: Number })
top: number;
@property({ type: Number })
left: number;
@property({ type: Number })
width: number;
@property({ type: Number, attribute: 'min-width' })
minWidth: number;
@property({ type: Number, attribute: 'static-width' })
staticWidth: number;
@property({ type: Boolean, attribute: 'anchor-right' })
anchorRight: boolean;
@property({ type: Number })
marginHorizontal = 0;
@property({ type: Number })
marginVertical = 7;
@property({ type: Object })
anchorTo: HTMLElement;
@property({ type: Boolean })
visible: boolean;
@property({ type: Boolean })
block: boolean;
// if we allow the focus to follow the cursor
@property({ type: Boolean })
cursorHover: boolean;
// fire selection events when cursor changes
@property({ type: Boolean })
cursorSelection: boolean;
@property({ type: Number })
scrollPct = 75;
@property({ type: Number })
cursorIndex = -1;
@property({ type: Boolean })
internalFocusDisabled = false;
@property({ type: Array })
options: any[];
@property({ type: Array })
tempOptions: any[];
@property({ type: Boolean })
poppedTop: boolean;
@property({ type: Boolean })
spaceSelect: boolean;
@property({ type: String })
nameKey = 'name';
@property({ type: Boolean })
loading = false;
@property({ type: Boolean })
collapsed: boolean;
@property({ type: Boolean })
hideShadow = false;
@property({ attribute: false })
getName: { (option: any): string } = function (option: any) {
return option[this.nameKey || 'name'];
};
@property({ attribute: false })
renderInputOption: { (): TemplateResult } = function () {
return null;
};
@property({ attribute: false })
renderOption: { (option: any, selected: boolean): TemplateResult };
// renders between rows (and above the first) when the data crosses a
// grouping boundary - the result sits outside the option rows so it never
// picks up their hover or selection treatment. Returning null means the
// rows aren't a boundary and nothing is rendered between them.
@property({ attribute: false })
renderDivider: { (prev: any, option: any): TemplateResult | null };
@property({ attribute: false })
renderOptionName: { (option: any, selected: boolean): TemplateResult };
@property({ attribute: false })
renderOptionDetail: { (option: any, selected: boolean): TemplateResult };
@property({ type: Number })
scrollHeight = 0;
@property({ type: Boolean })
triggerScroll = false;
@property({ type: Boolean })
showEmptyMessage = false;
scrollParent: HTMLElement = null;
resolvedRenderOption: { (option: any, selected: boolean): TemplateResult };
public firstUpdated(changed: Map<string, any>) {
super.firstUpdated(changed);
if (!this.block) {
this.scrollParent = getScrollParent(this);
this.calculatePosition = this.calculatePosition.bind(this);
if (this.scrollParent) {
this.scrollParent.addEventListener('scroll', this.calculatePosition);
}
}
this.resolvedRenderOption = (
this.renderOption || this.renderOptionDefault
).bind(this);
}
public disconnectedCallback() {
if (!this.block) {
if (this.scrollParent) {
this.scrollParent.removeEventListener('scroll', this.calculatePosition);
}
}
if (this.resizeObserver) {
this.resizeObserver.disconnect();
}
}
private isFocused(): boolean {
// TODO: this really doesn't seem right
const focused =
this.closestElement(document.activeElement.tagName) ===
document.activeElement;
return focused;
}
private resizeObserver: ResizeObserver;
public willUpdate(changed: PropertyValues) {
super.willUpdate(changed);
if (changed.has('visible') && changed.has('options')) {
if (!this.visible && this.options.length == 0) {
this.tempOptions = changed.get('options');
window.setTimeout(() => {
this.tempOptions = [];
}, 200);
}
}
if (changed.has('options')) {
// allow scrolls to trigger again
this.triggerScroll = true;
const prevOptions = changed.get('options');
const previousCount = prevOptions ? prevOptions.length : 0;
const newCount = this.options ? this.options.length : 0;
if (
this.cursorIndex === -1 ||
newCount < previousCount ||
(previousCount === 0 && newCount > 0 && !changed.has('cursorIndex'))
) {
if (!this.internalFocusDisabled) {
if (!this.block) {
this.cursorIndex = 0;
} else {
if (this.cursorIndex >= newCount) {
this.cursorIndex = newCount - 1;
}
}
}
}
}
// pre-sync width so adjustWidth() in updated() won't trigger a warning
if ((changed.has('options') || changed.has('anchorTo')) && this.anchorTo) {
const anchorBounds = this.anchorTo.getBoundingClientRect();
this.width =
this.staticWidth > 0
? this.staticWidth
: anchorBounds.width - 2 - this.marginHorizontal * 2;
}
// pre-sync position so calculatePosition() in updated() won't trigger a warning
if (
(changed.has('options') || changed.has('visible')) &&
this.visible &&
!this.block &&
this.anchorTo
) {
const anchorBounds = this.anchorTo.getBoundingClientRect();
this.top = anchorBounds.bottom;
this.left = anchorBounds.left;
}
}
public updated(changed: Map<string, any>) {
super.updated(changed);
if (changed.has('anchorTo') && this.anchorTo) {
const optionsContainer =
this.shadowRoot.querySelector('.options-container');
if (!this.resizeObserver) {
this.resizeObserver = new ResizeObserver((entries) => {
window.requestAnimationFrame((): void | undefined => {
if (!Array.isArray(entries) || !entries.length) {
return;
}
this.calculatePosition();
this.adjustWidth();
});
});
this.resizeObserver.observe(optionsContainer);
}
}
// if our cursor changed, lets make sure our scrollbox is showing it
if (!this.internalFocusDisabled && changed.has('cursorIndex')) {
this.fireCustomEvent(CustomEventType.CursorChanged, {
index: this.cursorIndex
});
}
if (changed.has('options')) {
this.adjustWidth();
this.calculatePosition();
const prevOptions = changed.get('options');
const previousCount = prevOptions ? prevOptions.length : 0;
const newCount = this.options ? this.options.length : 0;
if (
this.cursorIndex === -1 ||
newCount < previousCount ||
(previousCount === 0 && newCount > 0 && !changed.has('cursorIndex'))
) {
if (!this.internalFocusDisabled) {
if (this.cursorSelection) {
this.handleSelection(false);
}
}
}
// if on initial load we don't have enough options to load, trigger a scroll
// threshold event in case the page size is smaller than our control height
const scrollBox = this.shadowRoot.querySelector('.options');
if (scrollBox) {
if (scrollBox.scrollHeight == scrollBox.clientHeight) {
this.fireCustomEvent(CustomEventType.ScrollThreshold);
}
}
}
}
private renderOptionDefault(option: any, selected: boolean): TemplateResult {
const renderOptionName = (
this.renderOptionName || this.renderOptionNameDefault
).bind(this);
const renderOptionDetail = (
this.renderOptionDetail || this.renderOptionDetailDefault
).bind(this);
if (selected) {
return html`
<div class="name">${renderOptionName(option, selected)}</div>
<div class="detail">${renderOptionDetail(option, selected)}</div>
`;
} else {
return html`
<div class="name">${renderOptionName(option, selected)}</div>
`;
}
}
private renderOptionNameDefault(option: any): TemplateResult {
return html`<div style="display:flex; align-items:flex-start">
${option.icon
? html`<temba-icon
name="${option.icon}"
style="margin-right:0.5em; fill: var(--color-text-dark);"
></temba-icon>`
: null}
<div style="flex-grow:1">${option.prefix}${this.getName(option)}</div>
</div>`;
}
private renderOptionDetailDefault(option: any): TemplateResult {
return html` ${option.detail} `;
}
public getSelection() {
return this.options[this.cursorIndex];
}
private handleSelection(tabbed = false, index = -1) {
if (!this.internalFocusDisabled) {
if (index === -1) {
index = this.cursorIndex;
}
}
if (index === -1) {
return;
}
const selected = this.options[index];
this.fireCustomEvent(CustomEventType.Selection, {
selected,
tabbed,
index
});
}
private moveCursor(direction: number): void {
if (!this.internalFocusDisabled) {
const newIndex = Math.max(
Math.min(this.cursorIndex + direction, this.options.length - 1),
0
);
this.setCursor(newIndex);
}
}
private setCursor: (index: number) => void = throttle(function (
index: number
) {
if (!this.internalFocusDisabled) {
if (index !== this.cursorIndex) {
this.cursorIndex = index;
}
}
}, 50);
public scrollToTop() {
const scrollBox = this.shadowRoot.querySelector('.options-scroll');
scrollBox.scrollTop = 0;
}
private ensureOptionVisible() {
const focusedOption = this.shadowRoot.querySelector(
`div[data-option-index="${this.cursorIndex}"]`
) as HTMLDivElement;
if (focusedOption) {
focusedOption.scrollIntoView({
block: 'nearest',
inline: 'start'
});
}
}
private handleKeyDown(evt: KeyboardEvent) {
if (this.internalFocusDisabled || (this.block && !this.isFocused())) {
return;
}
if (this.offsetParent === null) {
return;
}
// Don't intercept keys when the popup isn't visible to the user. The
// element can still be in the layout tree (so offsetParent is non-null)
// while being hidden via opacity/pointer-events, in which case handling
// keys would steal them from the underlying input.
if (!this.block && !this.visible) {
return;
}
// Only intercept keys when the event originated within our owning component.
// Without this, any temba-options with populated options would swallow arrow
// keys document-wide, breaking cursor movement in unrelated text editors.
// All current usages render temba-options inside another custom element's
// shadow root, so scoping by host correctly distinguishes between editors.
if (!this.block) {
const root = this.getRootNode();
const host = root instanceof ShadowRoot ? root.host : null;
if (host && !evt.composedPath().includes(host)) {
return;
}
}
if (this.options && this.options.length > 0) {
if ((evt.ctrlKey && evt.key === 'n') || evt.key === 'ArrowDown') {
this.moveCursor(1);
evt.preventDefault();
evt.stopPropagation();
if (this.cursorSelection) {
this.handleSelection(false);
}
this.ensureOptionVisible();
} else if ((evt.ctrlKey && evt.key === 'p') || evt.key === 'ArrowUp') {
this.moveCursor(-1);
evt.preventDefault();
if (this.cursorSelection) {
this.handleSelection(false);
}
this.ensureOptionVisible();
} else if (
evt.key === 'Enter' ||
evt.key === 'Tab' ||
(this.spaceSelect && evt.key === ' ')
) {
evt.preventDefault();
evt.stopPropagation();
this.handleSelection(evt.key === 'Tab');
} else if (evt.key === 'Escape') {
this.fireCustomEvent(CustomEventType.Canceled);
}
}
}
private handleInnerScroll(evt: Event) {
const scrollbox = evt.target as HTMLDivElement;
// scroll height has changed, enable scroll trigger
if (scrollbox.scrollHeight > this.scrollHeight) {
this.scrollHeight = scrollbox.scrollHeight;
this.triggerScroll = true;
}
if (this.triggerScroll) {
const scrollPct =
scrollbox.scrollTop / (scrollbox.scrollHeight - scrollbox.clientHeight);
if (scrollPct * 100 > this.scrollPct) {
this.fireCustomEvent(CustomEventType.ScrollThreshold);
this.triggerScroll = false;
}
}
}
private adjustWidth() {
if (this.anchorTo) {
const anchorBounds = this.anchorTo.getBoundingClientRect();
this.width =
this.staticWidth > 0
? this.staticWidth
: anchorBounds.width - 2 - this.marginHorizontal * 2;
}
}
private calculatePosition() {
if (this.visible && !this.block) {
const optionsBounds = this.shadowRoot
.querySelector('.options-container')
.getBoundingClientRect();
if (this.anchorTo) {
const anchorBounds = this.anchorTo.getBoundingClientRect();
this.top = anchorBounds.bottom;
if (anchorBounds.bottom + optionsBounds.height > window.innerHeight) {
this.top =
anchorBounds.bottom -
(optionsBounds.height + anchorBounds.height + 10);
}
this.left = anchorBounds.left;
}
}
}
public getEventHandlers(): EventHandler[] {
return [
{
event: 'keydown',
method: this.handleKeyDown,
isDocument: true
},
{
event: 'scroll',
method: this.calculatePosition,
isDocument: true
}
];
}
private handleMouseMove(evt: MouseEvent) {
if (!this.block || this.cursorHover) {
if (Math.abs(evt.movementX) + Math.abs(evt.movementY) > 0) {
const index = (evt.currentTarget as HTMLElement).getAttribute(
'data-option-index'
);
this.setCursor(parseInt(index));
}
}
}
private handleOptionClick(evt: MouseEvent) {
const index = (evt.currentTarget as HTMLElement).getAttribute(
'data-option-index'
);
if (index) {
const newIndex = parseInt(index);
this.setCursor(newIndex);
this.handleSelection(false, newIndex);
}
}
public render(): TemplateResult {
if (!this.resolvedRenderOption) {
return null;
}
let vertical = this.block ? 0 : this.marginVertical;
if (this.poppedTop) {
vertical *= -1;
}
const containerStyle = this.visible
? {
'margin-left': `${this.marginHorizontal}px`,
'margin-top': `${vertical}px`
}
: {};
if (this.top) {
containerStyle['top'] = `${this.top}px`;
}
if (this.left) {
containerStyle['left'] = `${this.left}px`;
}
const optionsStyle = {};
if (this.width) {
optionsStyle['width'] = `${this.width}px`;
}
if (this.minWidth) {
optionsStyle['min-width'] = `${this.minWidth}px`;
}
const classes = getClasses({
'options-container': true,
show: this.visible,
top: this.poppedTop,
anchored: !this.block && !!this.anchorTo,
loading: this.loading,
shadow: !this.hideShadow,
bordered: this.hideShadow
});
const classesInner = getClasses({
options: true
});
let options = this.options || [];
if (
options.length == 0 &&
this.tempOptions &&
this.tempOptions.length > 0
) {
options = this.tempOptions;
}
return html`
<div class=${classes} style=${styleMap(containerStyle)}>
<div class="options-scroll" @scroll=${this.handleInnerScroll}>
<div class="${classesInner}" style=${styleMap(optionsStyle)}>
${options.length > 0
? options.map((option, index) => {
return html`${this.renderDivider
? this.renderDivider(
index > 0 ? options[index - 1] : null,
option
)
: null}
<div
data-option-index="${index}"
@mousemove=${this.handleMouseMove}
@mousedown=${this.handleOptionClick}
class="option ${index === this.cursorIndex &&
!this.internalFocusDisabled
? 'focused'
: ''}"
>
${this.resolvedRenderOption(
option,
index === this.cursorIndex
)}
</div>`;
})
: this.visible && this.showEmptyMessage
? html`<div
class="option no-options"
style="color: var(--color-text-dark-secondary); cursor: default;"
>
${msg('No options')}
</div>`
: null}
${this.block ? html`<div style="height:0.1em"></div>` : null}
</div>
<slot></slot>
</div>
<div class="loader-bar">
<temba-loading></temba-loading>
</div>
</div>
`;
}
}
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