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import { property, state } from 'lit/decorators.js';
import { RapidElement } from '../RapidElement';
import { CustomEventType } from '../interfaces';
import { ContextMenuShortcut } from './types';
/**
* Event detail for canvas menu selection. `action` is either one of the
* built-in menu actions ('sticky', 'other', 'reflow') or the `type` of a
* configured shortcut (e.g. 'send_msg', 'say_msg', 'set_contact_field').
*/
export interface CanvasMenuSelection {
action: string;
position: { x: number; y: number };
}
/**
* CanvasMenu - A popup menu for adding items to the flow canvas
* Displayed when double-clicking on empty canvas space
*/
export class CanvasMenu extends RapidElement {
static get styles() {
return css`
:host {
position: fixed;
z-index: 10000;
display: block;
pointer-events: none;
}
.menu {
position: fixed;
background: white;
border-radius: var(--curvature);
box-shadow: var(--dropdown-shadow);
padding: 0.5em 0;
width: 265px;
pointer-events: auto;
}
.menu-item {
padding: 0.75em 1.5em;
cursor: pointer;
display: flex;
align-items: flex-start;
gap: 0.75em;
transition: background-color 0.15s ease;
}
.menu-item:hover {
background-color: rgba(0, 0, 0, 0.05);
}
.menu-item temba-icon {
--icon-color: var(--color-text);
}
.menu-item-title {
font-weight: 500;
font-size: 1rem;
color: var(--color-text-dark);
}
.divider {
height: 1px;
background: rgba(0, 0, 0, 0.1);
margin: 0.5em 0;
}
`;
}
@property({ type: Number })
public x = 0;
@property({ type: Number })
public y = 0;
@property({ type: Boolean })
public open = false;
@property({ type: Boolean })
public showStickyNote = true;
@property({ type: Array })
public shortcuts: ContextMenuShortcut[] = [];
@property({ type: Boolean })
public showReflow = false;
@state()
private clickPosition = { x: 0, y: 0 };
protected firstUpdated(
_changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>
): void {
super.firstUpdated(_changedProperties);
// Close menu when clicking/tapping outside — use mousedown instead of
// click to avoid being triggered by the click synthesized from a
// drag-and-drop (mousedown on exit + mouseup on canvas = click on
// common ancestor). Also listen for touchstart for touch devices.
const handleClickOutside = (e: MouseEvent | TouchEvent) => {
if (this.open && !this.contains(e.target as Node)) {
this.close();
}
};
document.addEventListener('mousedown', handleClickOutside);
document.addEventListener('touchstart', handleClickOutside, {
passive: true
});
// Store cleanup function
(this as any)._clickOutsideHandler = handleClickOutside;
}
disconnectedCallback(): void {
super.disconnectedCallback();
if ((this as any)._clickOutsideHandler) {
document.removeEventListener(
'mousedown',
(this as any)._clickOutsideHandler
);
document.removeEventListener(
'touchstart',
(this as any)._clickOutsideHandler
);
}
}
public show(
x: number,
y: number,
clickPosition: { x: number; y: number },
showStickyNote: boolean = true,
showReflow: boolean = false,
shortcuts: ContextMenuShortcut[] = []
) {
this.x = x;
this.y = y;
this.clickPosition = clickPosition;
this.showStickyNote = showStickyNote;
this.showReflow = showReflow;
this.shortcuts = shortcuts;
this.open = true;
// Adjust position after menu renders to ensure it fits on screen
requestAnimationFrame(() => {
this.adjustPosition();
});
}
private adjustPosition(): void {
const menuElement = this.shadowRoot?.querySelector('.menu') as HTMLElement;
if (!menuElement) return;
const menuRect = menuElement.getBoundingClientRect();
const viewportWidth = window.innerWidth;
const viewportHeight = window.innerHeight;
const margin = 10; // margin from viewport edges
let adjustedX = this.x;
let adjustedY = this.y;
// Check if menu goes off the right edge
if (this.x + menuRect.width + margin > viewportWidth) {
adjustedX = viewportWidth - menuRect.width - margin;
}
// Check if menu goes off the bottom edge
if (this.y + menuRect.height + margin > viewportHeight) {
adjustedY = viewportHeight - menuRect.height - margin;
}
// Update position if needed
if (adjustedX !== this.x || adjustedY !== this.y) {
this.x = adjustedX;
this.y = adjustedY;
}
}
public close(fireCanceledEvent: boolean = true) {
if (this.open) {
this.open = false;
// Fire close event so parent can clean up, but only if not from a selection
if (fireCanceledEvent) {
this.fireCustomEvent(CustomEventType.Canceled, {});
}
}
}
private handleMenuItemClick(action: CanvasMenuSelection['action']) {
this.fireCustomEvent(CustomEventType.Selection, {
action,
position: this.clickPosition
} as CanvasMenuSelection);
// Close without firing canceled event since we made a selection
this.close(false);
}
public render(): TemplateResult {
if (!this.open) {
return html``;
}
return html`
<div class="menu" style="left: ${this.x}px; top: ${this.y}px;">
${this.shortcuts.map(
(shortcut) => html`
<div
class="menu-item"
@click=${() => this.handleMenuItemClick(shortcut.type)}
>
<temba-icon name="${shortcut.icon}" size="1.25"></temba-icon>
<div class="menu-item-title">${shortcut.name}</div>
</div>
`
)}
<div
class="menu-item"
@click=${() => this.handleMenuItemClick('other')}
>
<temba-icon name="plus" size="1.25"></temba-icon>
<div class="menu-item-title">Add Other</div>
</div>
${this.showStickyNote
? html`
<div class="divider"></div>
<div
class="menu-item"
@click=${() => this.handleMenuItemClick('sticky')}
>
<temba-icon name="note" size="1.25"></temba-icon>
<div class="menu-item-title">Add Sticky Note</div>
</div>
`
: ''}
${this.showReflow
? html`
<div class="divider"></div>
<div
class="menu-item"
@click=${() => this.handleMenuItemClick('reflow')}
>
<temba-icon name="flow" size="1.25"></temba-icon>
<div class="menu-item-title">Reflow</div>
</div>
`
: ''}
</div>
`;
}
}
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