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import { property } from 'lit/decorators.js';
import { RapidElement } from '../RapidElement';
import { CustomEventType } from '../interfaces';
import { StickyNote as StickyNoteData } from '../store/flow-definition';
import { getStore } from '../store/Store';
import { AppState, fromStore, zustand } from '../store/AppState';
import { isRightClick } from './utils';
export class StickyNote extends RapidElement {
@property({ type: String })
public uuid: string;
@property({ type: Object })
public data: StickyNoteData;
@property({ type: Boolean })
private dragging = false;
@property({ type: Boolean })
public selected = false;
@property({ type: Boolean })
private colorPickerExpanded = false;
@property({ type: Boolean })
private removing = false;
// On Apple touch devices, contenteditable starts false to prevent Apple
// Pencil Scribble from hijacking touches. It is set to true on explicit tap.
// Only Apple platforms have Scribble, so we avoid disabling contenteditable
// on Windows touchscreen laptops where it would block mouse-based editing.
private isTouchDevice =
navigator.maxTouchPoints > 0 &&
/iPad|iPhone|Macintosh/.test(navigator.userAgent);
private editingField: HTMLElement | null = null;
private removalTimeout: number | null = null;
// Resize state
private resizing = false;
private resizeStartX = 0;
private resizeStartY = 0;
private resizeStartWidth = 0;
private resizeStartHeight = 0;
private resizeZoom = 1;
private boundResizeMove = this.handleResizeMove.bind(this);
private boundResizeEnd = this.handleResizeEnd.bind(this);
private boundResizeTouchMove = this.handleResizeTouchMove.bind(this);
private boundResizeTouchEnd = this.handleResizeTouchEnd.bind(this);
@fromStore(zustand, (state: AppState) => state.isTranslating)
private isTranslating!: boolean;
static get styles() {
return css`
:host {
--sticky-color: #fef08a;
--sticky-border-color: #facc15;
--sticky-text-color: #451a03;
--curvature: 8px;
}
.sticky-note {
width: var(--sticky-width, 200px);
min-width: 200px;
display: flex;
flex-direction: column;
background-color: var(--sticky-color);
border: 1px solid var(--sticky-border-color);
border-radius: var(--curvature);
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
font-family:
-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
font-size: 12px;
overflow: hidden;
transition:
transform 0.1s ease,
box-shadow 0.2s ease;
color: var(--sticky-text-color);
opacity: 0.85;
}
.sticky-note.dragging {
opacity: 0.7;
z-index: 1000;
transform: rotate(0deg);
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.sticky-note:hover {
transform: translateY(0px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
:host(.drag-copy) .sticky-note {
outline: 3px dashed var(--color-primary, #3b82f6);
outline-offset: 2px;
opacity: 0.7;
}
.sticky-note.selected {
cursor: var(--shift-held-cursor, move) !important;
}
.sticky-note.selected .remove-button {
cursor: pointer !important;
}
.sticky-note.selected [contenteditable] {
cursor: text !important;
}
/* Color themes */
.sticky-note.yellow {
--sticky-color: #fef08a;
--sticky-border-color: #facc15;
--sticky-text-color: #451a03;
}
.sticky-note.blue {
--sticky-color: #bfdbfe;
--sticky-border-color: #3b82f6;
--sticky-text-color: #1e3a8a;
}
.sticky-note.pink {
--sticky-color: #fce7f3;
--sticky-border-color: #ec4899;
--sticky-text-color: #831843;
}
.sticky-note.green {
--sticky-color: #d1fae5;
--sticky-border-color: #10b981;
--sticky-text-color: #064e3b;
}
.sticky-note.gray {
--sticky-color: #f3f4f6;
--sticky-border-color: #6b7280;
--sticky-text-color: #374151;
}
/* Title and body containers */
.sticky-title-container {
position: relative;
border-bottom: 1px solid var(--sticky-border-color);
background-color: rgba(255, 255, 255, 0.5);
display: flex;
align-items: flex-start;
}
.sticky-body-container {
position: relative;
flex: 1;
display: flex;
flex-direction: column;
}
/* Editable fields */
[contenteditable='true'] {
margin: 2px;
padding: 4px 8px;
outline: none;
border-radius: var(--curvature);
transition: background 0.2s;
}
[contenteditable='true']:focus {
background-color: rgba(255, 255, 255, 0.8);
border-bottom: 1px solid rgba(0, 0, 0, 0.1);
outline-color: var(--sticky-border-color);
}
/* Title */
.sticky-title {
font-weight: 600;
font-size: 13px;
color: var(--sticky-text-color);
min-height: 20px;
line-height: 20px;
border-top-left-radius: var(--curvature);
border-top-right-radius: 0px;
flex-grow: 1;
padding: 4px 8px 4px 4px !important;
margin: 2px;
}
.sticky-title:empty::before {
content: 'Click to add title';
opacity: 0.5;
font-style: italic;
}
.sticky-title:focus {
border-bottom-left-radius: 0px;
border-bottom-right-radius: 0px;
}
/* Body */
.sticky-body {
padding: 8px 10px 20px;
color: var(--sticky-text-color);
line-height: 1.4;
min-height: 48px;
word-wrap: break-word;
white-space: pre-wrap;
margin: 2px;
flex: 1;
}
.sticky-body:empty::before {
content: 'Click to add note';
opacity: 0.5;
font-style: italic;
}
.sticky-body:focus {
border-top-left-radius: 0px;
border-top-right-radius: 0px;
}
/* Drag icon */
.sticky-title-container > .drag-handle {
--icon-color: var(--sticky-border-color);
cursor: var(--shift-held-cursor, move);
max-width: 20px;
padding-left: 8px;
padding-top: 10px;
overflow: hidden;
transition: all 0.2s ease;
align-self: flex-start;
flex-shrink: 0;
}
.sticky-note:hover .drag-handle {
}
.sticky-note:focus-within .sticky-title-container > .drag-handle {
}
/* Remove button */
.remove-button {
background: transparent;
border: none;
color: var(--sticky-text-color);
visibility: hidden;
cursor: pointer;
font-size: 1em;
font-weight: 600;
line-height: 1;
z-index: 10;
transition: all 100ms ease-in-out;
margin: 10px 8px 6px;
width: 1em;
pointer-events: auto;
flex-shrink: 0;
}
.sticky-note:hover .remove-button {
visibility: visible;
opacity: 0.7;
}
.remove-button:hover {
visibility: visible;
opacity: 1;
}
.remove-button.touch-visible {
visibility: visible !important;
opacity: 0.7;
}
/* Removing state */
.sticky-note.removing {
opacity: 1;
}
.sticky-title-container.removing {
background-color: var(--color-error, #dc3545) !important;
}
.sticky-title-container.removing .sticky-title {
color: white;
text-align: center;
}
.sticky-title-container.removing .remove-button {
color: white;
}
.sticky-title-container.removing .drag-handle {
--icon-color: white;
}
.sticky-title-container.removing .remove-button {
visibility: visible;
opacity: 0.7;
}
.sticky-title-container.removing .remove-button:hover {
opacity: 1;
}
/* Focus/active states */
.sticky-note:focus-within {
box-shadow:
0 0 0 1px var(--sticky-border-color),
0 10px 20px rgba(0, 0, 0, 0.3);
}
.sticky-note:focus-within .drag-handle {
max-width: 0px;
padding-left: 0px;
}
/* Resize handle */
.resize-handle {
position: absolute;
bottom: 0;
right: 0;
width: 16px;
height: 16px;
cursor: nwse-resize;
z-index: 5;
border-bottom-right-radius: var(--curvature);
}
.resize-handle::after {
content: '';
position: absolute;
bottom: 2px;
right: 2px;
width: 10px;
height: 10px;
border-right: 2px solid var(--sticky-border-color);
border-bottom: 2px solid var(--sticky-border-color);
opacity: 0.4;
border-bottom-right-radius: var(--curvature);
}
.sticky-note:hover .resize-handle::after {
opacity: 0.7;
}
.sticky-note.resizing {
user-select: none;
}
/* Color picker */
.color-picker {
position: absolute;
bottom: 4px;
left: 4px;
width: 8px;
height: 8px;
border: 1px solid rgba(0, 0, 0, 0.2);
border-radius: 3px;
background-color: var(--sticky-color);
cursor: pointer;
transition: transform 0.2s ease;
}
.color-picker:hover {
transform: scale(1.1);
}
.color-options {
position: absolute;
bottom: 0;
left: 0;
display: flex;
gap: 4px;
background-color: rgba(255, 255, 255, 0.9);
border: 1px solid #ccc;
border-radius: 6px;
padding: 3px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
transform-origin: bottom left;
transform: scale(0);
opacity: 0;
transition:
transform 0.2s ease,
opacity 0.2s ease;
z-index: 1000;
}
.color-options.expanded {
transform: scale(1);
opacity: 1;
}
.color-option {
width: 12px;
height: 12px;
border: 1px solid rgba(0, 0, 0, 0.2);
border-radius: 3px;
cursor: pointer;
transition:
transform 0.15s ease,
border-color 0.15s ease;
}
.color-option:hover {
transform: scale(1.1);
border-color: rgba(0, 0, 0, 0.4);
}
.color-option.yellow {
background-color: #fef08a;
}
.color-option.blue {
background-color: #bfdbfe;
}
.color-option.pink {
background-color: #fce7f3;
}
.color-option.green {
background-color: #d1fae5;
}
.color-option.gray {
background-color: #f3f4f6;
}
`;
}
protected updated(
changes: PropertyValueMap<any> | Map<PropertyKey, unknown>
): void {
super.updated(changes);
if (changes.has('data') || changes.has('uuid')) {
this.updateCanvasSize();
}
}
private updateCanvasSize(): void {
if (!this.data) {
return;
}
const element = this.querySelector('.sticky-note');
if (element) {
const rect = element.getBoundingClientRect();
getStore()
.getState()
.expandCanvas(
this.data.position.left + rect.width,
this.data.position.top + rect.height
);
}
}
private handleTitleBlur(event: FocusEvent): void {
this.handleContentBlurForTouch(event);
const target = event.target as HTMLElement;
const newTitle = target.textContent || '';
if (this.data && newTitle !== this.data.title) {
getStore()
.getState()
.updateStickyNote(this.uuid, {
...this.data,
title: newTitle
});
this.fireCustomEvent(CustomEventType.SizeChanged, { uuid: this.uuid });
}
this.requestUpdate();
}
private handleBodyBlur(event: FocusEvent): void {
this.handleContentBlurForTouch(event);
const target = event.target as HTMLElement;
const newBody = target.innerText || '';
if (this.data && newBody !== this.data.body) {
getStore()
.getState()
.updateStickyNote(this.uuid, {
...this.data,
body: newBody
});
this.fireCustomEvent(CustomEventType.SizeChanged, { uuid: this.uuid });
}
this.requestUpdate();
}
/* c8 ignore start -- touch-only handlers untestable in headless Chromium */
private handleDragHandleTouchStart(event: TouchEvent): void {
// Prevent Apple Pencil Scribble from activating on the adjacent
// contenteditable fields when touching/dragging the handle.
event.preventDefault();
}
/**
* On touch devices, contenteditable is off by default. A tap on the
* title or body enables it and focuses the element for editing.
*/
private handleContentTap(event: TouchEvent): void {
if (!this.isTouchDevice) return;
const target = event.target as HTMLElement;
if (
!target.classList.contains('sticky-title') &&
!target.classList.contains('sticky-body')
)
return;
// Enable editing and focus
target.setAttribute('contenteditable', 'true');
this.editingField = target;
target.focus();
event.stopPropagation();
}
/**
* When a contenteditable field loses focus on a touch device,
* disable contenteditable again to prevent Scribble.
*/
private handleContentBlurForTouch(event: FocusEvent): void {
const target = event.target as HTMLElement;
if (this.isTouchDevice && this.editingField === target) {
target.setAttribute('contenteditable', 'false');
this.editingField = null;
}
}
/* c8 ignore stop */
private handleContentMouseDown(event: MouseEvent): void {
// Prevent contenteditable from gaining focus on right-click
if (isRightClick(event)) {
event.preventDefault();
return;
}
// If this sticky note is selected, don't stop propagation
// so that group dragging can work
if (this.selected) {
return;
}
// Otherwise, stop propagation to enable editing
event.stopPropagation();
}
private handleTitleKeyDown(event: KeyboardEvent): void {
if (event.key === 'Enter') {
event.preventDefault();
(event.target as HTMLElement).blur();
}
if (event.key === 'Escape') {
(event.target as HTMLElement).blur();
}
}
private handleBodyKeyDown(event: KeyboardEvent): void {
if (event.key === 'Enter' && !event.shiftKey) {
event.preventDefault();
(event.target as HTMLElement).blur();
}
if (event.key === 'Escape') {
(event.target as HTMLElement).blur();
}
}
private handleColorPickerMouseEnter(): void {
this.colorPickerExpanded = true;
}
private handleColorPickerMouseLeave(): void {
this.colorPickerExpanded = false;
}
/* c8 ignore next 5 -- touch-only */
private handleColorPickerTap(event: TouchEvent): void {
event.stopPropagation();
event.preventDefault();
this.colorPickerExpanded = !this.colorPickerExpanded;
}
private handleColorOptionClick(
event: MouseEvent | TouchEvent,
color: 'yellow' | 'blue' | 'pink' | 'green' | 'gray'
): void {
event.stopPropagation();
event.preventDefault();
if (this.data && color !== this.data.color) {
getStore()
.getState()
.updateStickyNote(this.uuid, {
...this.data,
color: color
});
}
this.colorPickerExpanded = false;
this.requestUpdate();
}
private handleRemoveClick(event: MouseEvent): void {
event.preventDefault();
event.stopPropagation();
if (this.removing) {
// Second click — delete the sticky note
this.resetRemovingState();
this.fireCustomEvent(CustomEventType.StickyNoteDeleted, {
uuid: this.uuid
});
return;
}
// Preserve title height so it doesn't shrink
const titleContainer = this.shadowRoot.querySelector(
'.sticky-title-container'
) as HTMLElement;
if (titleContainer) {
titleContainer.style.minHeight = titleContainer.offsetHeight + 'px';
titleContainer.style.boxSizing = 'border-box';
}
// First click — show confirmation
this.removing = true;
if (this.removalTimeout !== null) {
clearTimeout(this.removalTimeout);
}
this.removalTimeout = window.setTimeout(() => {
this.resetRemovingState();
}, 1000);
}
private resetRemovingState(): void {
this.removing = false;
const titleContainer = this.shadowRoot?.querySelector(
'.sticky-title-container'
) as HTMLElement;
if (titleContainer) {
titleContainer.style.minHeight = '';
titleContainer.style.boxSizing = '';
}
if (this.removalTimeout !== null) {
clearTimeout(this.removalTimeout);
this.removalTimeout = null;
}
}
public disconnectedCallback(): void {
super.disconnectedCallback();
this.resetRemovingState();
this.cleanupResize();
}
private startResize(clientX: number, clientY: number): void {
const stickyEl = this.shadowRoot.querySelector(
'.sticky-note'
) as HTMLElement;
if (!stickyEl) return;
this.resizeStartX = clientX;
this.resizeStartY = clientY;
this.resizeStartWidth = stickyEl.offsetWidth;
this.resizeStartHeight = stickyEl.offsetHeight;
// Calculate zoom from screen vs layout dimensions
const rect = stickyEl.getBoundingClientRect();
this.resizeZoom = rect.width / stickyEl.offsetWidth;
this.resizing = true;
stickyEl.classList.add('resizing');
document.body.style.userSelect = 'none';
}
private applyResize(clientX: number, clientY: number): void {
const stickyEl = this.shadowRoot.querySelector(
'.sticky-note'
) as HTMLElement;
if (!stickyEl) return;
const dx = (clientX - this.resizeStartX) / this.resizeZoom;
const dy = (clientY - this.resizeStartY) / this.resizeZoom;
const newWidth = Math.max(this.resizeStartWidth + dx, 200);
const newHeight = Math.max(this.resizeStartHeight + dy, 80);
stickyEl.style.setProperty('--sticky-width', `${newWidth}px`);
stickyEl.style.minHeight = `${newHeight}px`;
}
private finishResize(clientX: number, clientY: number): void {
const stickyEl = this.shadowRoot.querySelector(
'.sticky-note'
) as HTMLElement;
if (!stickyEl) return;
const dx = (clientX - this.resizeStartX) / this.resizeZoom;
const dy = (clientY - this.resizeStartY) / this.resizeZoom;
let finalWidth = Math.max(this.resizeStartWidth + dx, 200);
let finalHeight = Math.max(this.resizeStartHeight + dy, 80);
// Snap up to content size if user dragged smaller
finalWidth = Math.max(finalWidth, stickyEl.scrollWidth);
finalHeight = Math.max(finalHeight, stickyEl.scrollHeight);
this.cleanupResize();
getStore()
.getState()
.updateStickyNote(this.uuid, {
...this.data,
width: Math.round(finalWidth),
height: Math.round(finalHeight)
});
this.updateCanvasSize();
this.fireCustomEvent(CustomEventType.SizeChanged, { uuid: this.uuid });
}
private cleanupResize(): void {
if (!this.resizing) return;
this.resizing = false;
const stickyEl = this.shadowRoot?.querySelector(
'.sticky-note'
) as HTMLElement;
if (stickyEl) {
stickyEl.classList.remove('resizing');
}
document.body.style.userSelect = '';
document.removeEventListener('mousemove', this.boundResizeMove);
document.removeEventListener('mouseup', this.boundResizeEnd);
document.removeEventListener('touchmove', this.boundResizeTouchMove);
document.removeEventListener('touchend', this.boundResizeTouchEnd);
}
private handleResizeStart(event: MouseEvent): void {
event.preventDefault();
event.stopPropagation();
this.startResize(event.clientX, event.clientY);
document.addEventListener('mousemove', this.boundResizeMove);
document.addEventListener('mouseup', this.boundResizeEnd);
}
private handleResizeMove(event: MouseEvent): void {
if (!this.resizing) return;
this.applyResize(event.clientX, event.clientY);
}
private handleResizeEnd(event: MouseEvent): void {
if (!this.resizing) return;
this.finishResize(event.clientX, event.clientY);
}
/* c8 ignore start -- touch-only */
private handleResizeTouchStart(event: TouchEvent): void {
event.preventDefault();
event.stopPropagation();
const touch = event.touches[0];
if (!touch) return;
this.startResize(touch.clientX, touch.clientY);
document.addEventListener('touchmove', this.boundResizeTouchMove, {
passive: false
});
document.addEventListener('touchend', this.boundResizeTouchEnd);
}
private handleResizeTouchMove(event: TouchEvent): void {
if (!this.resizing) return;
event.preventDefault();
const touch = event.touches[0];
if (!touch) return;
this.applyResize(touch.clientX, touch.clientY);
}
private handleResizeTouchEnd(event: TouchEvent): void {
if (!this.resizing) return;
const touch = event.changedTouches[0];
if (!touch) return;
this.finishResize(touch.clientX, touch.clientY);
}
/* c8 ignore stop */
public render(): TemplateResult {
if (!this.data) {
return html`<div class="sticky-note" style="display: none;"></div>`;
}
const widthStyle = this.data.width
? `--sticky-width: ${this.data.width}px;`
: '';
const heightStyle = this.data.height
? `min-height: ${this.data.height}px;`
: '';
const style = `left: ${this.data.position.left}px; top: ${this.data.position.top}px; ${widthStyle} ${heightStyle}`;
return html`
<div
class="sticky-note ${this.data.color} ${this.dragging
? 'dragging'
: ''} ${this.removing ? 'removing' : ''} ${this.selected
? 'selected'
: ''}"
style="${style}"
data-uuid="${this.uuid}"
>
<div class="sticky-title-container ${this.removing ? 'removing' : ''}">
<temba-icon
name="drag"
class="drag-handle"
@touchstart=${this.handleDragHandleTouchStart}
></temba-icon>
<div
class="sticky-title"
contenteditable="${!this.isTranslating &&
!this.isTouchDevice &&
!this.removing}"
@blur="${this.handleTitleBlur}"
@keydown="${this.handleTitleKeyDown}"
@mousedown="${this.handleContentMouseDown}"
@touchend="${this.handleContentTap}"
.textContent="${this.removing ? 'Remove?' : this.data.title}"
></div>
${!this.isTranslating
? html`<div
class="remove-button ${this.isTouchDevice
? 'touch-visible'
: ''}"
@click=${this.handleRemoveClick}
@mousedown=${(e: MouseEvent) => e.stopPropagation()}
@touchstart=${(e: TouchEvent) => e.stopPropagation()}
title="Remove note"
>
✕
</div>`
: ''}
</div>
<div class="sticky-body-container">
<div
class="sticky-body"
contenteditable="${!this.isTranslating && !this.isTouchDevice}"
@blur="${this.handleBodyBlur}"
@keydown="${this.handleBodyKeyDown}"
@mousedown="${this.handleContentMouseDown}"
@touchend="${this.handleContentTap}"
.textContent="${this.data.body}"
></div>
${!this.isTranslating
? html`<div class="edit-icon" title="Edit note"></div>`
: ''}
<!-- Color picker -->
<div
class="color-picker"
@mouseenter="${this.handleColorPickerMouseEnter}"
@mouseleave="${this.handleColorPickerMouseLeave}"
@touchend="${this.handleColorPickerTap}"
>
<div
class="color-options ${this.colorPickerExpanded
? 'expanded'
: ''}"
>
<div
class="color-option yellow"
@click="${(e: MouseEvent) =>
this.handleColorOptionClick(e, 'yellow')}"
@touchend="${(e: TouchEvent) =>
this.handleColorOptionClick(e, 'yellow')}"
></div>
<div
class="color-option blue"
@click="${(e: MouseEvent) =>
this.handleColorOptionClick(e, 'blue')}"
@touchend="${(e: TouchEvent) =>
this.handleColorOptionClick(e, 'blue')}"
></div>
<div
class="color-option pink"
@click="${(e: MouseEvent) =>
this.handleColorOptionClick(e, 'pink')}"
@touchend="${(e: TouchEvent) =>
this.handleColorOptionClick(e, 'pink')}"
></div>
<div
class="color-option green"
@click="${(e: MouseEvent) =>
this.handleColorOptionClick(e, 'green')}"
@touchend="${(e: TouchEvent) =>
this.handleColorOptionClick(e, 'green')}"
></div>
<div
class="color-option gray"
@click="${(e: MouseEvent) =>
this.handleColorOptionClick(e, 'gray')}"
@touchend="${(e: TouchEvent) =>
this.handleColorOptionClick(e, 'gray')}"
></div>
</div>
</div>
<!-- Resize handle -->
${!this.isTranslating
? html`<div
class="resize-handle"
@mousedown="${this.handleResizeStart}"
@touchstart="${this.handleResizeTouchStart}"
></div>`
: ''}
</div>
</div>
`;
}
}
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