Press n or j to go to the next uncovered block, b, p or k for the previous block.
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96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x 96x | import { html, TemplateResult } from 'lit-html';
import { css, PropertyValueMap, PropertyValues, unsafeCSS } from 'lit';
import { property, state } from 'lit/decorators.js';
import {
FlowDefinition,
FlowPosition,
Action,
Node,
NodeUI
} from '../store/flow-definition';
import { getStore, Store } from '../store/Store';
import { AppState, FlowIssue, fromStore, zustand } from '../store/AppState';
import { RapidElement } from '../RapidElement';
import { repeat } from 'lit-html/directives/repeat.js';
import { CustomEventType, DirtyTrackable, Workspace } from '../interfaces';
import {
generateUUID,
getClasses,
getCookie,
setCookie,
WebResponse
} from '../utils';
import { TEMBA_COMPONENTS_VERSION } from '../version';
import {
getLanguageDisplayName,
getNodeBounds,
calculateReflowPositions,
NodeBounds,
snapToGrid
} from './utils';
import { ACTION_CONFIG, NODE_CONFIG } from './config';
import { PRIMARY_LANGUAGE_OPTION_VALUE } from './EditorToolbar';
import {
buildTranslationBundles,
getTranslationCounts
} from './flow-translations';
import { calculateLayeredLayout, placeStickyNotes } from './reflow';
import type { RevisionsWindow } from './RevisionsWindow';
import {
ACTION_GROUP_METADATA,
CONTEXT_MENU_SHORTCUTS,
FlowType,
FlowTypes
} from './types';
import {
Plumber,
calculateFlowchartPath,
ARROW_LENGTH,
ARROW_HALF_WIDTH
} from './Plumber';
import { CanvasNode } from './CanvasNode';
import { DragManager } from './DragManager';
import { ZoomManager } from './ZoomManager';
import { Dialog } from '../layout/Dialog';
import { CanvasMenu, CanvasMenuSelection } from './CanvasMenu';
import { NodeTypeSelector, NodeTypeSelection } from './NodeTypeSelector';
import { FlowSearch, SearchResult } from './FlowSearch';
export function findNodeForExit(
definition: FlowDefinition,
exitUuid: string
): string | null {
for (const node of definition.nodes) {
const exit = node.exits.find((e) => e.uuid === exitUuid);
if (exit) {
return node.uuid;
}
}
return null;
}
const SAVE_QUIET_TIME = 2000;
export interface DraggableItem {
uuid: string;
position: FlowPosition;
element: HTMLElement;
type: 'node' | 'sticky';
}
export interface SelectionBox {
startX: number;
startY: number;
endX: number;
endY: number;
}
export type ToolbarAction =
| { action: 'view-change'; view: 'flow' | 'table' }
| { action: 'zoom-in' }
| { action: 'zoom-out' }
| { action: 'zoom-to-fit' }
| { action: 'zoom-to-full' }
| { action: 'revisions' }
| { action: 'search' }
| { action: 'language-change'; isPrimary?: boolean; languageCode?: string }
| { action: 'auto-translate' };
const EMPTY_FLOW_ISSUES: FlowIssue[] = [];
// How long the pending-changes auto-save countdown runs (in ms).
// Used in both the CSS animation and the JS setTimeout.
const PENDING_SAVE_DELAY = 5000;
/**
* Manages a timed "pending changes" card that lets users discard or auto-save
* after a delay. Used for both auto-layout and shift+drag copy.
*/
class PendingChangesTimer {
/** Whether the card is visible. */
unsaved = false;
/**
* Flag consumed once per willUpdate cycle to suppress the debounced save
* that would otherwise fire when dirtyDate changes.
*/
pending = false;
/** Counter incremented on every start/reset – used as a Lit template key
* so the CSS countdown animation restarts. */
resetCount = 0;
private timer: ReturnType<typeof setTimeout> | null = null;
constructor(
public readonly label: string,
private readonly delay: number,
private readonly host: { requestUpdate(): void },
private readonly onExpire: () => void
) {}
/** Show the card and start (or restart) the countdown timer. */
start(requestRender = true): void {
this.clearTimer();
this.resetCount++;
this.unsaved = true;
this.timer = setTimeout(() => {
this.timer = null;
if (this.unsaved) {
this.unsaved = false;
this.host.requestUpdate();
this.onExpire();
}
}, this.delay);
if (requestRender) {
this.host.requestUpdate();
}
}
/** Hide the card and cancel the timer without calling any callback. */
dismiss(): void {
this.unsaved = false;
this.clearTimer();
this.host.requestUpdate();
}
clearTimer(): void {
if (this.timer !== null) {
clearTimeout(this.timer);
this.timer = null;
}
}
}
// Offset for positioning dropped action node relative to mouse cursor
// Keep small to make drop location close to cursor position
const DROP_PREVIEW_OFFSET_X = 20;
const DROP_PREVIEW_OFFSET_Y = 20;
export class Editor extends RapidElement {
// connection SVGs are appended directly to the canvas, so we need light DOM
createRenderRoot() {
return this;
}
// this is the master plumber
public plumber: Plumber;
// drag/selection manager
public dragManager: DragManager;
// zoom/pan/loupe manager
public zoomManager: ZoomManager;
// timer for debounced saving
private saveTimer: number | null = null;
@property({ type: String })
public flow: string;
@property({ type: String })
public version: string;
@property({ type: String })
public flowType: FlowType = FlowTypes.MESSAGE;
@property({ type: Array })
public features: string[] = [];
private activityTimer: number | null = null;
private activityInterval = 100; // Start with 100ms interval for fast initial load
@fromStore(zustand, (state: AppState) => state.flowDefinition)
public definition!: FlowDefinition;
@fromStore(zustand, (state: AppState) => state.simulatorActive)
private simulatorActive!: boolean;
@fromStore(zustand, (state: AppState) => state.canvasSize)
private canvasSize!: { width: number; height: number };
@fromStore(zustand, (state: AppState) => state.dirtyDate)
private dirtyDate!: Date;
@fromStore(zustand, (state: AppState) => state.languageCode)
private languageCode!: string;
@fromStore(zustand, (state: AppState) => state.isTranslating)
private isTranslating!: boolean;
@fromStore(zustand, (state: AppState) => state.workspace)
private workspace!: Workspace;
@fromStore(zustand, (state: AppState) => state.getCurrentActivity())
private activityData!: any;
@fromStore(
zustand,
(state: AppState) => state.flowInfo?.issues ?? EMPTY_FLOW_ISSUES
)
private flowIssues!: FlowIssue[];
// Drag state (managed by DragManager, kept on Editor for Lit reactivity)
@state()
public isDragging = false;
// Public getter for drag state
public get dragging(): boolean {
return this.isDragging;
}
@state()
public currentDragItem: DraggableItem | null = null;
// Selection state
@state()
public selectedItems: Set<string> = new Set();
@state()
public isSelecting = false;
@state()
public selectionBox: SelectionBox | null = null;
@state()
public targetId: string | null = null;
@state()
public sourceId: string | null = null;
@state()
public dragFromNodeId: string | null = null;
@state()
public originalConnectionTargetId: string | null = null;
@state()
public isValidTarget = true;
// Canvas-relative source exit position (set at drag start)
public connectionSourceX: number | null = null;
public connectionSourceY: number | null = null;
@state()
private issuesWindowHidden = true;
@state()
private revisionsWindowHidden = true;
@state()
private viewingRevision = false;
@state()
public isSaving = false;
@state()
private saveError: string | null = null;
@state()
public zoom = 1.0;
@state()
private autoTranslating = false;
// Non-reactive flag set in willUpdate to suppress the debouncedSave
// call in updated() when the dirtyDate change comes from a reflow/copy
private _suppressDirtySave = false;
// Tracks the in-flight save so disconnectedCallback can defer cleanup
private savePromise: Promise<void> | null = null;
// --- Pending-changes timer (shared by reflow + copy) ---
public pendingTimer = new PendingChangesTimer(
'Unsaved Changes',
PENDING_SAVE_DELAY,
this,
() => {
this.pendingPositions = null;
this.copiedItemUuids = [];
this.saveChanges();
}
);
/** Positions of all items captured before the first pending operation. */
private pendingPositions: Record<string, FlowPosition> | null = null;
/** UUIDs of items created by shift+drag copy during the pending window. */
public copiedItemUuids: string[] = [];
/** Save all current canvas positions if not already saved. */
public capturePositionsOnce(): void {
if (this.pendingPositions) return;
const saved: Record<string, FlowPosition> = {};
for (const node of this.definition.nodes) {
const ui = this.definition._ui?.nodes[node.uuid];
if (ui?.position) {
saved[node.uuid] = { ...ui.position };
}
}
const stickies = this.definition._ui?.stickies || {};
for (const [uuid, sticky] of Object.entries(stickies)) {
if (sticky.position) {
saved[uuid] = { ...sticky.position };
}
}
this.pendingPositions = saved;
}
public deleteDialog: Dialog | null = null;
private dirtyAdapter: DirtyTrackable = {
dirtyMessage:
'Your flow is still saving. If you leave now, your latest changes may be lost.',
markClean: () => {
// no-op — the editor manages its own save lifecycle
}
};
private boundBeforeUnload = (e: BeforeUnloadEvent) => {
e.preventDefault();
};
// NodeEditor state - handles both node and action editing
@state()
public editingNode: Node | null = null;
@state()
public editingNodeUI: NodeUI | null = null;
@state()
public editingAction: Action | null = null;
private dialogOrigin: { x: number; y: number } | null = null;
// Message table view toggle
@property({ type: Boolean, reflect: true, attribute: 'message-view' })
showMessageTable = false;
@state()
private isCreatingNewNode = false;
@state()
private pendingNodePosition: FlowPosition | null = null;
// Canvas drop state for dragging actions to canvas
@state()
private canvasDropPreview: {
action: Action;
nodeUuid: string;
actionIndex: number;
position: FlowPosition;
actionHeight: number;
} | null = null;
@state()
private addActionToNodeUuid: string | null = null;
// Track target node for action drag
@state()
private actionDragTargetNodeUuid: string | null = null;
// Track previous target node to clear placeholder when moving between nodes
private previousActionDragTargetNodeUuid: string | null = null;
// Track action external drag state for shift-copy support
private isActionExternalDrag = false;
private actionDragIsCopy = false;
private actionDragLastDetail: {
action: Action;
nodeUuid: string;
actionIndex: number;
mouseX: number;
mouseY: number;
actionHeight: number;
isLastAction: boolean;
} | null = null;
// Connection placeholder state for dropping connections on empty canvas
@state()
public connectionPlaceholder: {
position: FlowPosition;
visible: boolean;
dragUp?: boolean;
} | null = null;
// Track pending connection when dropping on canvas
private pendingCanvasConnection: {
fromNodeId: string;
exitId: string;
position: FlowPosition;
} | null = null;
// Bound event handlers to maintain proper 'this' context
private boundCanvasContextMenu = this.handleCanvasContextMenu.bind(this);
private boundWheel = (e: WheelEvent) => this.zoomManager.handleWheel(e);
private boundWindowResize = () =>
this.zoomManager.updateZoomControlPositioning();
static get styles() {
return css`
#editor-container {
position: relative;
flex: 1;
display: flex;
flex-direction: column;
min-height: 0;
}
#editor {
overflow: scroll;
flex: 1;
-webkit-font-smoothing: antialiased;
}
/* On touch devices, disable native scroll-by-touch so canvas
drag draws a selection rectangle. Users scroll via scrollbars. */
#editor.touch-device {
touch-action: none;
}
#editor.touch-device::-webkit-scrollbar {
-webkit-appearance: none;
width: 12px;
height: 12px;
}
#editor.touch-device::-webkit-scrollbar-thumb {
background: rgba(0, 0, 0, 0.3);
border-radius: 6px;
border: 2px solid transparent;
background-clip: padding-box;
}
#editor.touch-device::-webkit-scrollbar-track {
background: rgba(0, 0, 0, 0.05);
}
#grid {
position: relative;
background-color: #f9f9f9;
background-image: radial-gradient(
circle,
rgba(61, 177, 255, 0.3) 1px,
transparent 1px
);
background-size: 20px 20px;
background-position: 10px 10px;
width: 100%;
display: flex;
padding-top: 20px;
transform-origin: 0 0;
}
#canvas {
position: relative;
padding: 0px;
flex-grow: 1;
margin: 20px;
}
#canvas > .draggable {
position: absolute;
z-index: 100;
touch-action: none;
}
#canvas > .draggable:hover {
z-index: 200;
}
#canvas > .dragging {
z-index: 99999 !important;
transition: none !important;
}
#canvas.shift-held {
--shift-held-cursor: copy;
cursor: copy;
}
#canvas.viewing-revision {
pointer-events: none;
}
#canvas.read-only svg {
pointer-events: none;
}
#grid.viewing-revision {
background-color: #fff9fc;
background-image: radial-gradient(
circle,
rgba(166, 38, 164, 0.2) 1px,
transparent 1px
);
}
#grid.viewing-revision temba-flow-node,
#grid.viewing-revision svg.plumb-connector {
opacity: 0.5;
}
svg.plumb-connector {
z-index: 10;
}
svg.plumb-connector path {
stroke: var(--color-connectors);
stroke-width: 3px;
}
svg.plumb-connector .plumb-arrow {
fill: var(--color-connectors);
stroke: none;
}
svg.plumb-connector.hover path {
stroke: var(--color-success);
}
svg.plumb-connector.hover .plumb-arrow {
fill: var(--color-success);
}
#canvas.read-only-connections svg.plumb-connector.hover path {
stroke: var(--color-connectors);
}
#canvas.read-only-connections svg.plumb-connector.hover .plumb-arrow {
fill: var(--color-connectors);
}
#canvas.read-only-connections svg.plumb-connector,
#canvas.read-only-connections svg.plumb-connector * {
pointer-events: none !important;
cursor: default !important;
}
#canvas.read-only-connections svg.plumb-connector path {
stroke: #e0e0e0;
}
#canvas.read-only-connections svg.plumb-connector .plumb-arrow {
fill: #e0e0e0;
}
svg.plumb-connector.removing path {
stroke: var(--color-error);
}
svg.plumb-connector.removing .plumb-arrow {
fill: var(--color-error);
}
svg.plumb-connector.dragging {
z-index: 99999;
}
/* Active contact count on nodes */
.active-count {
position: absolute;
background: #3498db;
border: 1px solid #2980b9;
border-radius: 12px;
padding: 3px 6px;
color: #fff;
font-weight: 500;
top: -10px;
left: -10px;
font-size: 13px;
text-align: center;
z-index: 600;
line-height: 1;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
/* Activity overlay badges on connection exit stubs */
.activity-overlay {
position: absolute;
background: #f3f3f3;
border: 1px solid #d9d9d9;
color: #333;
border-radius: 4px;
padding: 2px 4px;
font-size: 10px;
font-weight: 600;
line-height: 0.9;
cursor: pointer;
z-index: 10;
pointer-events: auto;
white-space: nowrap;
user-select: none;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
#grid.viewing-revision .activity-overlay {
opacity: 0.5;
pointer-events: none;
}
/* Recent contacts popup */
@keyframes popupBounceIn {
0% {
transform: scale(0.8);
opacity: 0;
}
50% {
transform: scale(1.05);
}
100% {
transform: scale(1);
opacity: 1;
}
}
.recent-contacts-popup {
display: none;
position: absolute;
width: 200px;
background: #f3f3f3;
border-radius: 10px;
box-shadow: 0 1px 3px 1px rgba(130, 130, 130, 0.2);
z-index: 1015;
transform-origin: top center;
}
.recent-contacts-popup.show {
display: block;
animation: popupBounceIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.recent-contacts-popup .popup-title {
background: #999;
color: #fff;
padding: 6px 0;
text-align: center;
border-top-left-radius: 10px;
border-top-right-radius: 10px;
font-size: 12px;
}
.recent-contacts-popup .no-contacts-message {
padding: 15px;
text-align: center;
color: #999;
font-size: 12px;
}
.recent-contacts-popup .contact-row {
padding: 8px 10px;
border-top: 1px solid #e0e0e0;
text-align: left;
}
.recent-contacts-popup .contact-row:last-child {
border-bottom-left-radius: 10px;
border-bottom-right-radius: 10px;
}
.recent-contacts-popup .contact-name {
display: block;
font-weight: 500;
font-size: 12px;
color: var(--color-link-primary, #1d4ed8);
cursor: pointer;
}
.recent-contacts-popup .contact-name:hover {
text-decoration: underline;
}
.recent-contacts-popup .contact-operand {
padding-top: 3px;
font-size: 11px;
color: #666;
word-wrap: break-word;
}
.recent-contacts-popup .contact-time {
padding-top: 3px;
font-size: 10px;
color: #999;
}
/* Connection target feedback */
temba-flow-node.connection-target-valid {
outline: 3px solid var(--color-success, #22c55e) !important;
outline-offset: 2px;
border-radius: var(--curvature);
}
temba-flow-node.connection-target-invalid {
outline: 3px solid var(--color-error, #ef4444) !important;
outline-offset: 2px;
border-radius: var(--curvature);
}
/* Selection box styles */
.selection-box {
position: absolute;
border: 2px dashed #6298f0ff;
background-color: rgba(59, 130, 246, 0.1);
z-index: 9999;
pointer-events: none;
}
/* Selected item styles */
.draggable.selected {
outline: 3px solid #6298f0ff;
outline-offset: 0px;
border-radius: var(--curvature);
}
.draggable.selected.drag-copy {
outline: none;
}
/* Language banner replaced by toolbar language selector */
.localization-window-content {
display: flex;
flex-direction: column;
gap: 16px;
height: 100%;
}
.localization-header {
font-size: 13px;
color: #4b5563;
line-height: 1.4;
}
.localization-language-select {
--color-widget-border: #d1d5db;
--color-widget-background: #fff;
}
.localization-language-row {
display: flex;
align-items: flex-end;
gap: 12px;
}
.localization-language-row temba-select {
flex: 1;
}
.localization-progress {
margin-top: auto;
display: flex;
flex-direction: column;
gap: 8px;
}
.localization-progress.disabled {
opacity: 0.4;
pointer-events: none;
}
.localization-progress-bar-row {
display: flex;
align-items: center;
gap: 8px;
}
.localization-progress-trigger {
flex: 1;
border-radius: 6px;
cursor: pointer;
display: flex;
align-items: center;
}
.localization-progress-trigger:focus-visible {
outline: 2px solid #94a3b8;
outline-offset: 2px;
}
.localization-progress-trigger temba-progress {
flex: 1;
}
.localization-progress h5 {
margin: 0;
font-size: 13px;
font-weight: 600;
color: #374151;
}
.localization-progress-summary {
font-size: 12px;
color: #6b7280;
display: flex;
align-items: center;
gap: 6px;
min-height: 20px;
}
.translation-settings-toggle {
display: inline-flex;
align-items: center;
gap: 6px;
background: transparent;
border: none;
outline: none;
color: #6b7280;
font-size: 12px;
font-weight: 600;
cursor: pointer;
padding: 4px;
border-radius: 4px;
}
.translation-settings-label {
font-size: 12px;
color: #6b7280;
}
.translation-settings-arrow {
width: 8px;
height: 8px;
border-right: 2px solid currentColor;
border-bottom: 2px solid currentColor;
transform: rotate(-45deg);
transition: transform 0.2s ease;
margin-left: 2px;
}
.translation-settings-arrow.expanded {
transform: rotate(45deg);
}
.translation-settings {
}
.translation-settings-row {
display: flex;
align-items: center;
justify-content: space-between;
}
.translation-settings-row temba-checkbox {
width: 100%;
}
.revert-button {
background: var(--color-primary-dark);
border: none;
color: #fff;
padding: 6px 10px;
border-radius: var(--curvature);
font-size: 11px;
font-weight: 600;
cursor: pointer;
transition: opacity 0.2s ease;
}
.localization-empty {
font-size: 13px;
color: #9ca3af;
white-space: nowrap;
}
.issue-list-item {
display: flex;
align-items: center;
gap: 8px;
padding: 8px;
border-radius: 4px;
cursor: pointer;
font-size: 13px;
color: #333;
}
.issue-list-item:hover {
background: #fff5f5;
}
.issue-list-item temba-icon {
color: tomato;
flex-shrink: 0;
}
.empty-flow {
position: sticky;
top: 80px;
left: 0;
right: 0;
height: 0;
display: flex;
justify-content: center;
pointer-events: none;
z-index: 50;
}
.empty-flow-content {
display: flex;
flex-direction: column;
align-items: center;
gap: 16px;
text-align: center;
pointer-events: auto;
}
.empty-flow-title {
font-size: 18px;
font-weight: 600;
color: #374151;
}
.empty-flow-description {
font-size: 14px;
color: #6b7280;
max-width: 320px;
line-height: 1.5;
}
.empty-flow-button {
background: var(--color-primary-dark);
border: none;
color: #fff;
padding: 10px 20px;
border-radius: var(--curvature);
font-size: 14px;
font-weight: 600;
cursor: pointer;
transition: opacity 0.2s ease;
}
.empty-flow-button:hover {
opacity: 0.9;
}
/* Legacy zoom-controls kept for compat — now in toolbar */
.loupe,
.loupe * {
pointer-events: none !important;
}
.loupe {
position: fixed;
width: 280px;
height: 280px;
border-radius: 50%;
overflow: hidden;
z-index: 10000;
border: 2px solid rgba(0, 0, 0, 0.25);
box-shadow:
0 4px 16px rgba(0, 0, 0, 0.35),
0 1px 4px rgba(0, 0, 0, 0.2),
inset 0 0 0 2px rgba(255, 255, 255, 0.3),
inset 0 0 20px rgba(0, 0, 0, 0.08);
transform: translate(-50%, -50%) scale(0);
opacity: 0;
transition:
transform 0.15s ease-out,
opacity 0.15s ease-out;
}
.loupe.visible {
transform: translate(-50%, -50%) scale(1);
opacity: 1;
}
.loupe-content {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #f9f9f9;
background-image: radial-gradient(
circle,
rgba(61, 177, 255, 0.3) 1px,
transparent 1px
);
}
.loupe::after {
content: '';
position: absolute;
inset: 0;
border-radius: 50%;
background: radial-gradient(
circle,
transparent 45%,
rgba(0, 0, 0, 0.03) 58%,
rgba(0, 0, 0, 0.08) 68%,
rgba(0, 0, 0, 0.18) 80%,
rgba(0, 0, 0, 0.35) 90%,
rgba(0, 0, 0, 0.55) 100%
);
z-index: 1;
}
.loupe-crosshair-h,
.loupe-crosshair-v {
position: absolute;
background: rgba(0, 0, 0, 0.15);
}
.loupe-crosshair-h {
width: 12px;
height: 1px;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.loupe-crosshair-v {
width: 1px;
height: 12px;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.loupe-clone {
position: absolute;
transform-origin: 0 0;
pointer-events: none;
}
.loupe-clone > .draggable {
position: absolute;
z-index: 100;
}
.loupe-clone > svg.plumb-connector {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: visible;
}
/* Force hovered appearance inside the loupe since :hover can't fire
through pointer-events:none */
.loupe-clone .action .cn-title .remove-button,
.loupe-clone .router .remove-button {
visibility: visible;
opacity: 0.7;
}
.loupe-clone .action .drag-handle {
visibility: visible;
opacity: 0.7;
}
.loupe-clone .exit.connected {
background-color: var(--color-connectors, #e6e6e6);
}
.loupe-clone .node.execute-actions .add-action-button {
opacity: 0.8;
}
.drag-hint {
position: absolute;
bottom: 40px;
left: 50%;
transform: translateX(-50%);
z-index: 100000;
pointer-events: none;
background: rgba(255, 255, 255, 0.5);
backdrop-filter: blur(6px);
color: #555;
font-size: 18px;
font-weight: 300;
padding: 10px 32px;
border-radius: 10px;
border: 1px solid rgba(0, 0, 0, 0.08);
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
white-space: nowrap;
display: none;
}
.drag-hint.visible {
display: block;
animation: drag-hint-in 0.15s ease forwards;
}
@keyframes drag-hint-in {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
.reflow-card {
position: absolute;
top: 16px;
left: 50%;
transform: translateX(-50%);
z-index: 10000;
background: rgba(0, 0, 0, 0.65);
backdrop-filter: blur(8px);
border-radius: 10px;
padding: 12px 16px 8px;
display: flex;
flex-direction: column;
gap: 8px;
color: white;
font-size: 13px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.reflow-card .reflow-top {
display: flex;
align-items: center;
gap: 10px;
}
.reflow-card .reflow-label {
white-space: nowrap;
}
.reflow-card button {
border: none;
border-radius: 6px;
padding: 6px 14px;
font-size: 13px;
font-weight: 500;
cursor: pointer;
white-space: nowrap;
transition: opacity 0.15s ease;
}
.reflow-card button:hover {
opacity: 0.85;
}
.reflow-card .reflow-discard {
background: rgba(255, 255, 255, 0.2);
color: white;
}
.reflow-meter {
height: 3px;
border-radius: 2px;
background: rgba(255, 255, 255, 0.15);
overflow: hidden;
}
.reflow-meter-fill {
height: 100%;
background: rgba(255, 255, 255, 0.5);
border-radius: 2px;
/* animation-name is set dynamically via style attribute */
animation-duration: ${unsafeCSS(PENDING_SAVE_DELAY / 1000)}s;
animation-timing-function: linear;
animation-fill-mode: forwards;
}
`;
}
constructor() {
super();
this.dragManager = new DragManager(this);
this.zoomManager = new ZoomManager(this);
}
protected firstUpdated(
changes: PropertyValueMap<any> | Map<PropertyKey, unknown>
): void {
super.firstUpdated(changes);
this.plumber = new Plumber(this.querySelector('#canvas'), this);
this.plumber.zoom = this.zoom;
this.setupGlobalEventListeners();
getStore()?.getState().setFlushSave(this.flushSave);
zustand.getState().setFeatures(this.features);
// Eagerly detect touch capability so hover-only controls are visible
// from the start and scrollbar/touch-action CSS is applied immediately.
if (navigator.maxTouchPoints > 0) {
this.querySelector('#canvas')?.classList.add('touch-device');
this.querySelector('#editor')?.classList.add('touch-device');
}
this.zoomManager.updateZoomControlPositioning();
this.zoomManager.setLoupeElements(
this.querySelector('#loupe') as HTMLElement,
this.querySelector('#loupe-content') as HTMLElement
);
this.zoomManager.initLoupe();
if (changes.has('flow') && this.flow) {
// Defer revision fetch so reactive state changes in fetchRevisions()
// don't run inside firstUpdated().
setTimeout(() => {
if (!this.isConnected || !this.flow) {
return;
}
getStore().getState().fetchRevision(`/flow/revisions/${this.flow}`);
}, 0);
}
this.plumber.on('connection:drag', (connection: any) => {
this.dragFromNodeId = connection.data.nodeId;
this.sourceId = connection.sourceId;
this.connectionSourceX = connection.sourceX;
this.connectionSourceY = connection.sourceY;
this.originalConnectionTargetId = connection.target.id;
});
this.plumber.on('connection:abort', (info) => {
this.makeConnection(info);
});
this.plumber.on('connection:detach', (info) => {
// console.log('Connection detached', info);
this.makeConnection(info);
});
}
private makeConnection(info) {
if (this.sourceId && this.targetId && this.isValidTarget) {
// going to the same target, just put it back
if (info.target.id === this.targetId) {
this.plumber.connectIds(
this.dragFromNodeId,
this.sourceId,
this.targetId
);
}
// otherwise update the connection
else {
getStore()
.getState()
.updateConnection(this.dragFromNodeId, this.sourceId, this.targetId);
}
} else if (
this.connectionPlaceholder &&
this.connectionPlaceholder.visible &&
this.sourceId
) {
// Snap the placeholder position to grid
const snappedPosition = {
left: snapToGrid(this.connectionPlaceholder.position.left),
top: snapToGrid(this.connectionPlaceholder.position.top)
};
const isDragUp = !!this.connectionPlaceholder.dragUp;
// Update the placeholder to the snapped position
this.connectionPlaceholder.position = snappedPosition;
// Store the pending connection info
this.pendingCanvasConnection = {
fromNodeId: this.dragFromNodeId,
exitId: this.sourceId,
position: snappedPosition
};
// Show the context menu near the placeholder
const canvas = this.querySelector('#canvas');
if (canvas) {
const canvasRect = canvas.getBoundingClientRect();
const menuX = canvasRect.left + snappedPosition.left * this.zoom - 40;
const menuY = isDragUp
? canvasRect.top + snappedPosition.top * this.zoom + 74 // just below placeholder bottom
: canvasRect.top + snappedPosition.top * this.zoom + 80; // just below placeholder
const canvasMenu = this.querySelector(
'temba-canvas-menu'
) as CanvasMenu;
if (canvasMenu) {
canvasMenu.show(
menuX,
menuY,
{
x: snappedPosition.left,
y: snappedPosition.top
},
false, // Don't show sticky note option for connection drops
false,
CONTEXT_MENU_SHORTCUTS[this.flowType]
);
}
}
// Request update to render the connection line
this.requestUpdate();
// Don't clear placeholder or connection info yet - keep them for menu interaction
return;
}
// Clean up visual feedback
document.querySelectorAll('temba-flow-node').forEach((node) => {
node.classList.remove(
'connection-target-valid',
'connection-target-invalid'
);
});
// Clear connection state (but keep sourceId/dragFromNodeId if we have a pending connection)
if (!this.pendingCanvasConnection) {
this.sourceId = null;
this.connectionSourceX = null;
this.connectionSourceY = null;
this.dragFromNodeId = null;
}
this.targetId = null;
this.isValidTarget = true;
}
protected willUpdate(changes: PropertyValues): void {
super.willUpdate(changes);
if (changes.has('definition')) {
// Set flowType from the loaded definition
if (this.definition?.type) {
this.flowType = this.getFlowTypeFromDefinition(this.definition.type);
}
// Pre-sync zoom state so we don't mutate reactive state in updated().
this.zoomManager.restoreInitialZoomFromSettings();
}
if (changes.has('dirtyDate')) {
if (this.dirtyDate) {
if (this.pendingTimer.pending) {
// This dirtyDate is from a reflow/copy operation — consume the
// flag and suppress the save in updated().
this.pendingTimer.pending = false;
this._suppressDirtySave = true;
} else if (this.pendingTimer.unsaved) {
// Additional change while the pending-changes card is showing —
// reset the timer so all accumulated changes can be discarded.
this.pendingTimer.start(false);
this._suppressDirtySave = true;
} else {
this.isSaving = true;
}
}
}
}
private setSimulatorTabHidden(hidden: boolean): void {
const simulator = document.querySelector(
'temba-simulator'
) as HTMLElement & {
shadowRoot?: ShadowRoot;
};
const phoneTab = simulator?.shadowRoot?.querySelector('#phone-tab') as any;
if (phoneTab) {
phoneTab.hidden = hidden;
}
}
protected updated(
changes: PropertyValueMap<any> | Map<PropertyKey, unknown>
): void {
super.updated(changes);
if (changes.has('features')) {
zustand.getState().setFeatures(this.features);
}
if (changes.has('revisionsWindowHidden')) {
this.setSimulatorTabHidden(!this.revisionsWindowHidden);
}
if (changes.has('canvasSize')) {
this.zoomManager.updateZoomControlPositioning();
}
if (
changes.has('showMessageTable') &&
!this.showMessageTable &&
this.plumber
) {
// Canvas was re-added to the DOM; rebind the plumber, listeners, and repaint
requestAnimationFrame(() => {
const canvas = this.querySelector('#canvas');
if (canvas) {
this.plumber.setContainer(canvas as HTMLElement);
this.plumber.repaintEverything();
canvas.addEventListener('contextmenu', this.boundCanvasContextMenu);
}
});
}
if (changes.has('showMessageTable')) {
this.zoomManager.updateZoomControlPositioning();
}
if (changes.has('definition')) {
// defer to avoid triggering a reactive canvasSize update during this cycle
setTimeout(() => this.updateCanvasSize(), 0);
// Start fetching activity data when definition is loaded
if (this.definition?.uuid) {
this.startActivityFetching();
}
}
if (changes.has('simulatorActive')) {
if (this.simulatorActive) {
// Close any open floating windows when simulator opens
this.closeFloatingWindows();
// Stop polling when simulator becomes active
this.stopActivityFetching();
} else {
// Resume polling and refresh activity when simulator closes
this.activityInterval = 100; // Reset to fast initial interval
this.startActivityFetching();
}
}
if (changes.has('activityData')) {
// Update plumber with new activity data
if (this.plumber) {
this.plumber.setActivityData(this.activityData);
}
}
if (changes.has('dirtyDate')) {
if (this.dirtyDate) {
if (this._suppressDirtySave) {
this._suppressDirtySave = false;
} else {
this.debouncedSave();
}
}
}
if (changes.has('isSaving')) {
const store = document.querySelector('temba-store') as Store;
if (this.isSaving) {
window.addEventListener('beforeunload', this.boundBeforeUnload);
if (store?.markDirty) {
store.markDirty(this.dirtyAdapter);
}
} else {
window.removeEventListener('beforeunload', this.boundBeforeUnload);
if (store?.markClean) {
store.markClean(this.dirtyAdapter);
}
}
}
if (changes.has('saveError') && this.saveError) {
this.showSaveErrorDialog(this.saveError);
setTimeout(() => {
this.saveError = null;
}, 0);
}
}
/**
* Map FlowDefinition type to Editor flowType
* FlowDefinition uses: 'messaging', 'messaging_background', 'messaging_offline', 'voice'
* Editor uses: 'message', 'voice', 'background'
*/
private getFlowTypeFromDefinition(definitionType: string): FlowType {
if (definitionType === 'voice') {
return FlowTypes.VOICE;
} else if (
definitionType === 'messaging_background' ||
definitionType === 'messaging_offline'
) {
return FlowTypes.BACKGROUND;
} else {
// 'messaging' or any other messaging type defaults to 'message'
return FlowTypes.MESSAGE;
}
}
/**
* If there's a pending debounced save, cancel the timer and save immediately.
* Called by the simulator to ensure the latest definition is persisted before
* starting a simulation run.
*/
private flushSave = async (): Promise<void> => {
// Capture the definition eagerly before any async gap so it
// survives even if the component unmounts and clearFlowData runs.
const snapshot = this.definition ? { ...this.definition } : null;
// Flush pending-changes timer (reflow/copy operations) if active
if (this.pendingTimer.unsaved) {
this.pendingPositions = null;
this.copiedItemUuids = [];
this.pendingTimer.dismiss();
}
// Cancel any pending debounce timer
if (this.saveTimer !== null) {
clearTimeout(this.saveTimer);
this.saveTimer = null;
}
// Wait for any in-flight POST to finish first
if (this.savePromise) {
await this.savePromise;
}
// Save if there are unsaved changes
if (snapshot && this.dirtyDate) {
await this.saveChanges(snapshot);
}
};
private debouncedSave(): void {
// Clear any existing timer
if (this.saveTimer !== null) {
clearTimeout(this.saveTimer);
}
this.saveTimer = window.setTimeout(() => {
// Don't auto-save while the pending-changes card is showing
if (this.pendingTimer.unsaved) {
this.saveTimer = null;
return;
}
const now = new Date();
const timeSinceLastChange = now.getTime() - this.dirtyDate.getTime();
if (timeSinceLastChange >= SAVE_QUIET_TIME) {
this.saveChanges();
this.saveTimer = null;
} else {
this.debouncedSave();
}
}, SAVE_QUIET_TIME);
}
private definitionForSave(definition: FlowDefinition): FlowDefinition {
return {
...definition,
_ui: {
...definition._ui,
editor: TEMBA_COMPONENTS_VERSION
}
};
}
private saveChanges(definitionOverride?: FlowDefinition): Promise<void> {
const definition = this.definitionForSave(
definitionOverride || this.definition
);
this.isSaving = true;
const promise = getStore()
.postJSON(`/flow/revisions/${this.flow}/`, definition)
.then((response) => {
if (response.status < 200 || response.status >= 300) {
this.saveError = this.extractErrorMessage(response);
return;
}
// Update flow info and revision with the response data
if (response.json) {
const state = getStore().getState();
if (response.json.info) {
state.setFlowInfo(response.json.info);
}
if (response.json.revision?.revision !== undefined) {
state.setRevision(response.json.revision.revision);
}
}
getStore().getState().setDirtyDate(null);
// Refresh the revisions list if it's currently open.
this.getRevisionsWindow()?.refresh();
})
.catch((error) => {
console.error('Failed to save flow:', error);
if (error instanceof Response) {
this.saveError = `Server error (${error.status}). Your changes have not been saved.`;
} else {
this.saveError =
'Unable to reach the server. Please check your connection and try again.';
}
})
.finally(() => {
this.isSaving = false;
this.savePromise = null;
});
this.savePromise = promise;
return promise;
}
private extractErrorMessage(response: WebResponse): string {
if (response.json) {
if (typeof response.json.detail === 'string') {
return response.json.detail;
}
if (typeof response.json.error === 'string') {
return response.json.error;
}
if (typeof response.json.description === 'string') {
return response.json.description;
}
}
return `Save failed with status ${response.status}.`;
}
private showSaveErrorDialog(message: string): void {
const dialog = document.createElement('temba-dialog') as Dialog;
dialog.header = 'Save Failed';
dialog.primaryButtonName = '';
dialog.cancelButtonName = 'Dismiss';
const content = document.createElement('div');
content.style.cssText = 'padding: 20px; font-size: 14px; line-height: 1.5;';
content.textContent = message;
dialog.appendChild(content);
document.body.appendChild(dialog);
dialog.open = true;
dialog.addEventListener('temba-dialog-hidden', () => {
document.body.removeChild(dialog);
});
}
private startActivityFetching(): void {
// Don't start if simulator is active
if (this.simulatorActive) {
return;
}
// Fetch immediately
this.fetchActivityData();
}
private stopActivityFetching(): void {
if (this.activityTimer !== null) {
clearTimeout(this.activityTimer);
this.activityTimer = null;
}
}
private fetchActivityData(): void {
if (!this.definition?.uuid) {
return;
}
// Don't fetch if simulator is active
if (this.simulatorActive) {
return;
}
const activityEndpoint = `/flow/activity/${this.definition.uuid}/`;
const store = getStore();
if (!store) {
return;
}
const state = store.getState();
state.fetchActivity(activityEndpoint).then(() => {
// Guard against responses arriving after the editor is disconnected
if (!this.isConnected) {
return;
}
// Schedule next fetch with exponential backoff (max 5 minutes)
this.activityInterval = Math.min(60000 * 5, this.activityInterval + 100);
if (this.activityTimer !== null) {
clearTimeout(this.activityTimer);
}
this.activityTimer = window.setTimeout(() => {
this.fetchActivityData();
}, this.activityInterval);
});
}
private handleLanguageChange(languageCode: string): void {
zustand.getState().setLanguageCode(languageCode);
}
private getAvailableLanguages(): Array<{ code: string; name: string }> {
// Use languages from workspace if available
if (this.workspace?.languages && this.workspace.languages.length > 0) {
return this.workspace.languages
.map((code) => ({ code, name: getLanguageDisplayName(code) }))
.filter((lang) => lang.code && lang.name);
}
// Fall back to flow definition languages if available
if (
this.definition?._ui?.languages &&
this.definition._ui.languages.length > 0
) {
return this.definition._ui.languages.map((lang: any) => {
const code = typeof lang === 'string' ? lang : lang.iso || lang.code;
return { code, name: getLanguageDisplayName(code) };
});
}
// No languages available
return [];
}
private getLocalizationLanguages(): Array<{ code: string; name: string }> {
if (!this.definition) {
return [];
}
const baseLanguage = this.definition.language;
return this.getAvailableLanguages().filter(
(lang) => lang.code !== baseLanguage
);
}
private getLocalizationProgress(languageCode: string): {
total: number;
localized: number;
} {
return getTranslationCounts(
buildTranslationBundles(this.definition, languageCode)
);
}
private hasAnyNodeWithLocalizeCategories(): boolean {
if (!this.definition?._ui?.nodes) return false;
return Object.values(this.definition._ui.nodes).some(
(nodeUI: any) => nodeUI?.config?.localizeCategories
);
}
private handleAutoTranslateClick(): void {
if (this.viewingRevision) {
return;
}
const at = this.querySelector('temba-auto-translate') as any;
at?.start();
}
private handleAutoTranslateChanged(e: CustomEvent): void {
this.autoTranslating = !!e.detail?.running;
}
disconnectedCallback(): void {
super.disconnectedCallback();
this.zoomManager.teardownLoupe();
getStore()?.getState().setFlushSave(null);
this.dragManager.teardownListeners();
window.removeEventListener('beforeunload', this.boundBeforeUnload);
const store = document.querySelector('temba-store') as Store;
if (store?.markClean) {
store.markClean(this.dirtyAdapter);
}
if (this.saveTimer !== null) {
clearTimeout(this.saveTimer);
this.saveTimer = null;
}
if (this.activityTimer !== null) {
clearTimeout(this.activityTimer);
this.activityTimer = null;
}
this.pendingTimer.clearTimer();
window.removeEventListener('resize', this.boundWindowResize);
const canvas = this.querySelector('#canvas');
if (canvas) {
canvas.removeEventListener('contextmenu', this.boundCanvasContextMenu);
}
const editor = this.querySelector('#editor');
if (editor) {
editor.removeEventListener('wheel', this.boundWheel);
}
// Clear all flow-specific data from the store so stale data
// isn't briefly visible when a different flow is opened.
// If a save is in-flight, wait for it to complete first so the
// definition isn't nulled out from under the POST.
if (this.savePromise) {
this.savePromise.then(() => zustand.getState().clearFlowData());
} else {
zustand.getState().clearFlowData();
}
}
private setupGlobalEventListeners(): void {
// Drag/selection listeners managed by DragManager
this.dragManager.setupListeners();
window.addEventListener('resize', this.boundWindowResize);
const canvas = this.querySelector('#canvas');
if (canvas) {
canvas.addEventListener('contextmenu', this.boundCanvasContextMenu);
}
const editor = this.querySelector('#editor');
if (editor) {
editor.addEventListener('wheel', this.boundWheel, { passive: false });
}
// Listen for action edit requests from flow nodes
this.addEventListener(
CustomEventType.ActionEditRequested,
this.handleActionEditRequested.bind(this)
);
// Listen for add action requests from flow nodes
this.addEventListener(
CustomEventType.AddActionRequested,
this.handleAddActionRequested.bind(this)
);
// Listen for node edit requests from flow nodes
this.addEventListener(
CustomEventType.NodeEditRequested,
this.handleNodeEditRequested.bind(this)
);
// Listen for node deletion events
this.addEventListener(
CustomEventType.NodeDeleted,
this.handleNodeDeleted.bind(this)
);
// Listen for sticky note deletion events
this.addEventListener(CustomEventType.StickyNoteDeleted, ((
event: CustomEvent
) => {
const uuid = event.detail?.uuid;
if (uuid) {
getStore().getState().removeStickyNotes([uuid]);
}
}) as EventListener);
// Listen for canvas menu selections
this.addEventListener(CustomEventType.Selection, (event: CustomEvent) => {
const target = event.target as HTMLElement;
if (target.tagName === 'TEMBA-CANVAS-MENU') {
this.handleCanvasMenuSelection(event);
} else if (target.tagName === 'TEMBA-NODE-TYPE-SELECTOR') {
this.handleNodeTypeSelection(event);
}
});
// Listen for canvas menu cancel (close without selection)
this.addEventListener(CustomEventType.Canceled, (event: CustomEvent) => {
const target = event.target as HTMLElement;
if (target.tagName === 'TEMBA-CANVAS-MENU') {
this.handleCanvasMenuClosed();
} else if (target.tagName === 'TEMBA-NODE-TYPE-SELECTOR') {
this.handleNodeTypeSelectorClosed();
}
});
// Listen for action drag events from nodes
this.addEventListener(
CustomEventType.DragExternal,
this.handleActionDragExternal.bind(this)
);
this.addEventListener(
CustomEventType.DragInternal,
this.handleActionDragInternal.bind(this)
);
this.addEventListener(CustomEventType.DragStop, (event: CustomEvent) => {
if (event.detail.isExternal) {
this.handleActionDropExternal(event);
}
});
this.addEventListener(CustomEventType.SizeChanged, (event: CustomEvent) => {
const { uuid } = event.detail;
if (uuid) {
requestAnimationFrame(() => {
this.checkCollisionsAndReflow([uuid]);
});
}
});
}
private openFlowSearch(): void {
if (this.viewingRevision) {
return;
}
if (this.zoomManager.isDialogOrMenuOpen()) {
return;
}
const search = this.querySelector('temba-flow-search') as FlowSearch;
if (!search) {
return;
}
search.definition = this.definition;
search.languageCode = this.languageCode || '';
search.scope = this.showMessageTable ? 'table' : 'flow';
search.includeCategories =
this.isTranslating && this.hasAnyNodeWithLocalizeCategories();
search.show();
}
private closeFlowSearch(): void {
const search = this.querySelector('temba-flow-search') as FlowSearch;
if (search?.open) {
search.hide();
}
}
// Called by DragManager for non-drag keyboard handling
public handleKeyDown(event: KeyboardEvent): void {
if (event.key === 'Shift') {
// Toggle to copy mode mid-drag (actions)
if (this.isActionExternalDrag && !this.actionDragIsCopy) {
this.actionDragIsCopy = true;
this.showActionOriginal(true);
if (this.actionDragLastDetail?.isLastAction) {
this.reprocessActionDrag();
}
this.requestUpdate();
}
}
// Cmd/Ctrl+F opens flow search (unless a dialog is already open)
if ((event.metaKey || event.ctrlKey) && event.key === 'f') {
event.preventDefault();
this.openFlowSearch();
return;
}
// Don't handle other keys while search overlay is open
const search = this.querySelector('temba-flow-search') as FlowSearch;
if (search?.open) return;
if (event.key === 'Delete' || event.key === 'Backspace') {
if (this.deleteDialog?.open) {
this.deleteSelectedItems();
this.deleteDialog.open = false;
return;
}
if (this.selectedItems.size > 0) {
this.showDeleteConfirmation();
}
}
if (event.key === 'Escape') {
this.selectedItems.clear();
this.requestUpdate();
}
}
// Called by DragManager for action drag shift-copy
public handleKeyUp(event: KeyboardEvent): void {
if (event.key === 'Shift') {
if (this.isActionExternalDrag && this.actionDragIsCopy) {
this.actionDragIsCopy = false;
this.showActionOriginal(false);
if (this.actionDragLastDetail?.isLastAction) {
this.reprocessActionDrag();
}
this.requestUpdate();
}
}
}
// Called by DragManager on window blur
public handleWindowBlur(): void {
if (this.isActionExternalDrag && this.actionDragIsCopy) {
this.actionDragIsCopy = false;
this.showActionOriginal(false);
if (this.actionDragLastDetail?.isLastAction) {
this.reprocessActionDrag();
}
this.requestUpdate();
}
}
// --- Flow settings cookie (LRU, max 50 flows) ---
static MAX_FLOW_SETTINGS = 50;
public getFlowSettings(): Record<string, any> {
try {
return JSON.parse(getCookie('flow-settings') || '{}');
} catch {
return {};
}
}
public saveFlowSetting(key: string, value: any): void {
if (!this.flow) return;
const settings = this.getFlowSettings();
// Remove existing entry so re-inserting moves it to the end (most recent)
delete settings[this.flow];
settings[this.flow] = { ...(settings[this.flow] || {}), [key]: value };
// Evict oldest entries if over the limit
const keys = Object.keys(settings);
if (keys.length > Editor.MAX_FLOW_SETTINGS) {
for (const oldKey of keys.slice(
0,
keys.length - Editor.MAX_FLOW_SETTINGS
)) {
delete settings[oldKey];
}
}
setCookie('flow-settings', JSON.stringify(settings));
}
public getFlowSetting<T>(key: string): T | undefined {
if (!this.flow) return undefined;
return this.getFlowSettings()[this.flow]?.[key];
}
private showDeleteConfirmation(): void {
const itemCount = this.selectedItems.size;
const itemType = itemCount === 1 ? 'item' : 'items';
// Create and show confirmation dialog
// Don't open a second dialog if one is already showing
if (this.deleteDialog?.open) return;
const dialog = document.createElement('temba-dialog') as Dialog;
dialog.header = 'Delete Items';
dialog.primaryButtonName = 'Delete';
dialog.cancelButtonName = 'Cancel';
dialog.destructive = true;
dialog.innerHTML = `<div style="padding: 20px;">Are you sure you want to delete ${itemCount} ${itemType}?</div>`;
dialog.addEventListener('temba-button-clicked', (event: any) => {
if (event.detail.button.name === 'Delete') {
this.deleteSelectedItems();
dialog.open = false;
}
});
// Add to document and show
document.body.appendChild(dialog);
dialog.open = true;
this.deleteDialog = dialog;
// Clean up dialog when closed
dialog.addEventListener('temba-dialog-hidden', () => {
document.body.removeChild(dialog);
this.deleteDialog = null;
});
}
private performReflow(): void {
if (!this.definition || this.definition.nodes.length === 0) return;
// Save current positions for discard (only on first pending operation)
this.capturePositionsOnce();
const stickies = this.definition._ui?.stickies || {};
// Save old node positions before reflow for sticky proximity calculation
const oldNodePositions: Record<string, FlowPosition> = {};
for (const node of this.definition.nodes) {
const ui = this.definition._ui?.nodes[node.uuid];
if (ui?.position) {
oldNodePositions[node.uuid] = { ...ui.position };
}
}
// Identify start node (first in sorted array)
const startNodeUuid = this.definition.nodes[0].uuid;
// Gather node sizes from DOM
const nodeSizes = new Map<string, { width: number; height: number }>();
const getNodeSize = (uuid: string): { width: number; height: number } => {
const element = this.querySelector(`[id="${uuid}"]`) as HTMLElement;
if (element) {
const size = {
width: element.offsetWidth,
height: element.offsetHeight
};
nodeSizes.set(uuid, size);
return size;
}
const fallback = { width: 200, height: 100 };
nodeSizes.set(uuid, fallback);
return fallback;
};
// Compute new layout
const newPositions = calculateLayeredLayout(
this.definition.nodes,
this.definition._ui.nodes,
startNodeUuid,
getNodeSize
);
// Place sticky notes next to their closest nodes
if (Object.keys(stickies).length > 0) {
const stickySizes = new Map<string, { width: number; height: number }>();
for (const uuid of Object.keys(stickies)) {
const el = this.querySelector(
`temba-sticky-note[uuid="${uuid}"]`
) as HTMLElement;
if (el) {
stickySizes.set(uuid, {
width: el.offsetWidth,
height: el.offsetHeight
});
} else {
const sticky = stickies[uuid];
stickySizes.set(uuid, {
width: sticky.width || 200,
height: sticky.height || 100
});
}
}
const stickyPositions = placeStickyNotes(
stickies,
oldNodePositions,
newPositions,
nodeSizes,
stickySizes,
startNodeUuid
);
// Merge sticky positions into newPositions
Object.assign(newPositions, stickyPositions);
}
// Cancel any in-flight save timer so it doesn't persist the reflowed
// layout before the user has a chance to Save or Discard.
if (this.saveTimer !== null) {
clearTimeout(this.saveTimer);
this.saveTimer = null;
}
// Suppress the auto-save from this updateCanvasPositions call
this.pendingTimer.pending = true;
// Apply new positions
getStore().getState().updateCanvasPositions(newPositions);
// Update canvas size and repaint connections
this.updateCanvasSize();
requestAnimationFrame(() => {
this.plumber.repaintEverything();
});
// Scroll to top-left so the start node is visible
const editor = this.querySelector('#editor') as HTMLElement;
if (editor) {
editor.scrollTo({ left: 0, top: 0, behavior: 'smooth' });
}
// Start/reset auto-save countdown
this.pendingTimer.start();
}
private handlePendingDiscard(): void {
this.pendingTimer.dismiss();
const hasChanges = this.copiedItemUuids.length > 0 || this.pendingPositions;
if (!hasChanges) return;
// Cancel any pending save timer before reverting
if (this.saveTimer !== null) {
clearTimeout(this.saveTimer);
this.saveTimer = null;
}
// Remove any copied items first
if (this.copiedItemUuids.length > 0) {
const nodeUuids = this.copiedItemUuids.filter((uuid) =>
this.definition.nodes.some((n) => n.uuid === uuid)
);
const stickyUuids = this.copiedItemUuids.filter(
(uuid) => this.definition._ui?.stickies?.[uuid]
);
this.pendingTimer.pending = true;
if (nodeUuids.length > 0) {
getStore().getState().removeNodes(nodeUuids);
}
if (stickyUuids.length > 0) {
this.pendingTimer.pending = true;
getStore().getState().removeStickyNotes(stickyUuids);
}
this.copiedItemUuids = [];
}
// Restore all positions to pre-pending state
if (this.pendingPositions) {
this.pendingTimer.pending = true;
getStore().getState().updateCanvasPositions(this.pendingPositions);
this.pendingPositions = null;
}
// Clear dirty state since we reverted
setTimeout(() => {
getStore().getState().setDirtyDate(null);
this.isSaving = false;
}, 0);
requestAnimationFrame(() => {
this.plumber.repaintEverything();
});
}
private renderPendingCard(): TemplateResult | string {
if (!this.pendingTimer.unsaved) return '';
// Each resetCount value produces a unique animation-name so the
// CSS countdown restarts when the timer is reset.
const anim = `pc-${this.pendingTimer.resetCount}`;
return html`<div class="reflow-card">
<div class="reflow-top">
<span class="reflow-label">${this.pendingTimer.label}</span>
<button class="reflow-discard" @click=${this.handlePendingDiscard}>
Discard
</button>
</div>
<div class="reflow-meter">
<div class="reflow-meter-fill" style="animation-name: ${anim}"></div>
</div>
<style>
@keyframes ${anim} {
from {
width: 100%;
}
to {
width: 0%;
}
}
</style>
</div>`;
}
private deleteNodes(uuids: string[]): void {
// Remove nodes from the definition - CanvasNode will handle plumber cleanup
if (uuids.length > 0) {
getStore().getState().removeNodes(uuids);
}
}
private deleteSelectedItems(): void {
const nodes = Array.from(this.selectedItems).filter((uuid) =>
this.definition.nodes.some((node) => node.uuid === uuid)
);
this.deleteNodes(Array.from(nodes));
const stickies = Array.from(this.selectedItems).filter(
(uuid) => this.definition._ui?.stickies?.[uuid]
);
getStore().getState().removeStickyNotes(stickies);
// Clear selection
this.selectedItems.clear();
}
private renderCanvasDropPreview(): TemplateResult | string {
if (!this.canvasDropPreview) return '';
const { action, position } = this.canvasDropPreview;
const actionConfig = ACTION_CONFIG[action.type];
if (!actionConfig) return '';
return html`<div
class="canvas-drop-preview"
style="position: absolute; left: ${position.left}px; top: ${position.top}px; opacity: 0.6; pointer-events: none; z-index: 10000;"
>
<div
class="node execute-actions"
style="outline: 3px dashed var(--color-primary, #3b82f6); outline-offset: 2px; border-radius: var(--curvature);"
>
<div class="action sortable ${action.type}">
<div class="action-content">
<div
class="cn-title"
style="background: ${actionConfig.group
? ACTION_GROUP_METADATA[actionConfig.group]?.color
: '#aaaaaa'}"
>
<div class="title-spacer"></div>
<div class="name">${actionConfig.name}</div>
<div class="title-spacer"></div>
</div>
<div class="body">
${actionConfig.render
? actionConfig.render({ actions: [action] } as any, action)
: html`<pre>${action.type}</pre>`}
</div>
</div>
</div>
<div class="action-exits">
<div class="exit-wrapper">
<div class="exit"></div>
</div>
</div>
</div>
</div>`;
}
private renderConnectionPlaceholder(): TemplateResult | string {
if (!this.connectionPlaceholder || !this.connectionPlaceholder.visible)
return '';
const { position, dragUp } = this.connectionPlaceholder;
// Render connection line when we have a pending connection (after drop)
let svgPath = null;
if (
this.sourceId &&
this.dragFromNodeId &&
this.pendingCanvasConnection &&
this.connectionSourceX != null &&
this.connectionSourceY != null
) {
const sourceX = this.connectionSourceX;
const sourceY = this.connectionSourceY;
const targetX = position.left + 100;
// When dragging up, connect to the placeholder bottom; otherwise to the top
const targetY = dragUp ? position.top + 64 : position.top;
const routeFace: 'top' | 'left' | 'right' = dragUp
? targetX < sourceX
? 'left'
: 'right'
: 'top';
const pathData = calculateFlowchartPath(
sourceX,
sourceY,
targetX,
targetY,
20,
dragUp ? 0 : 10,
5,
routeFace
);
const aw = ARROW_HALF_WIDTH;
const al = ARROW_LENGTH;
let arrowPoints: string;
if (dragUp) {
// Arrow tip pointing up, base at placeholder bottom
arrowPoints = `${targetX},${targetY - al} ${targetX - aw},${targetY} ${
targetX + aw
},${targetY}`;
} else {
// Arrow pointing down into top of placeholder
arrowPoints = `${targetX},${targetY} ${targetX - aw},${targetY - al} ${
targetX + aw
},${targetY - al}`;
}
svgPath = html`
<svg
style="position: absolute; left: 0; top: 0; width: 100%; height: 100%; pointer-events: none; z-index: 9999;"
>
<path
d="${pathData}"
fill="none"
stroke="var(--color-connectors, #ccc)"
stroke-width="3"
/>
<polygon
points="${arrowPoints}"
fill="var(--color-connectors, #ccc)"
/>
</svg>
`;
}
return html`${svgPath}
<div
class="connection-placeholder"
style="position: absolute; left: ${position.left}px; top: ${position.top}px; opacity: 0.6; pointer-events: none; z-index: 10000;"
>
<div
class="node execute-actions"
style="outline: 3px dashed var(--color-primary, #3b82f6); outline-offset: 2px; border-radius: var(--curvature); min-width: 200px;"
>
<div class="empty-node-placeholder" style="height: 60px;"></div>
<div class="action-exits">
<div class="exit-wrapper">
<div class="exit" style="pointer-events: none;"></div>
</div>
</div>
</div>
</div>`;
}
/**
* Checks for collisions between nodes and sticky notes, and reflows
* as needed. Sacred items (just moved/dropped/resized) keep their
* positions while other items are moved in the least-disruptive direction.
*/
public checkCollisionsAndReflow(sacredUuids: string[] = []): void {
if (!this.definition) return;
const allBounds: NodeBounds[] = [];
for (const node of this.definition.nodes) {
const nodeUI = this.definition._ui?.nodes[node.uuid];
if (!nodeUI?.position) continue;
const bounds = getNodeBounds(node.uuid, nodeUI.position);
if (bounds) {
allBounds.push(bounds);
}
}
const stickies = this.definition._ui?.stickies || {};
for (const [uuid, sticky] of Object.entries(stickies)) {
if (!sticky.position) continue;
const el = this.querySelector(
`temba-sticky-note[uuid="${uuid}"]`
) as HTMLElement;
if (!el) continue;
const bounds = getNodeBounds(uuid, sticky.position, el);
if (bounds) {
allBounds.push(bounds);
}
}
const reflowPositions = calculateReflowPositions(sacredUuids, allBounds);
if (reflowPositions.size > 0) {
const positions: { [uuid: string]: FlowPosition } = {};
for (const [uuid, position] of reflowPositions.entries()) {
positions[uuid] = position;
}
getStore().getState().updateCanvasPositions(positions);
}
}
/* c8 ignore start -- touch-only handlers */
/**
* Find the temba-flow-node element at the given viewport coordinates.
* Uses elementFromPoint which works for both mouse and touch input.
*/
public findTargetNodeAt(clientX: number, clientY: number): Element | null {
const el = document.elementFromPoint(clientX, clientY);
return el?.closest('temba-flow-node') ?? null;
}
private updateCanvasSize(): void {
if (!this.definition) return;
const store = getStore();
if (!store) return;
// Calculate required canvas size based on all elements
let maxWidth = 0;
let maxHeight = 0;
// Check node positions
this.definition.nodes.forEach((node) => {
const ui = this.definition._ui.nodes[node.uuid];
if (ui && ui.position) {
const nodeElement = this.querySelector(
`[id="${node.uuid}"]`
) as HTMLElement;
if (nodeElement) {
// Use offsetWidth/offsetHeight (unaffected by ancestor transforms)
maxWidth = Math.max(
maxWidth,
ui.position.left + nodeElement.offsetWidth
);
maxHeight = Math.max(
maxHeight,
ui.position.top + nodeElement.offsetHeight
);
}
}
});
// Check sticky note positions
const stickies = this.definition._ui?.stickies || {};
Object.entries(stickies).forEach(([uuid, sticky]) => {
if (sticky.position) {
const stickyElement = this.querySelector(
`temba-sticky-note[uuid="${uuid}"]`
) as HTMLElement;
if (stickyElement) {
// Use clientWidth/clientHeight instead of getBoundingClientRect() to get element dimensions
// This avoids the coordinate system mismatch between viewport and canvas coordinates
const width = stickyElement.clientWidth;
const height = stickyElement.clientHeight;
// Both sticky.position and width/height are now in the same coordinate system
maxWidth = Math.max(maxWidth, sticky.position.left + width);
maxHeight = Math.max(maxHeight, sticky.position.top + height);
} else {
// Fallback to default sizes if element not found
maxWidth = Math.max(
maxWidth,
sticky.position.left + (sticky.width || 200)
);
maxHeight = Math.max(
maxHeight,
sticky.position.top + (sticky.height || 100)
);
}
}
});
// Update canvas size in store
store.getState().expandCanvas(maxWidth, maxHeight);
}
private handleCanvasContextMenu(event: MouseEvent): void {
if (this.isReadOnly()) {
event.preventDefault();
return;
}
// Check if we right-clicked on empty canvas space
const target = event.target as HTMLElement;
if (target.id !== 'canvas') {
return;
}
// Prevent the default browser context menu
event.preventDefault();
event.stopPropagation();
// Ensure no sticky note contenteditable retains focus
this.dragManager.blurActiveContentEditable();
this.showContextMenuAt(event.clientX, event.clientY);
}
/**
* Show the canvas context menu at the given viewport coordinates.
* Shared by right-click (mouse) and double-tap (touch).
*/
public showContextMenuAt(clientX: number, clientY: number): void {
if (this.isReadOnly()) return;
const canvas = this.querySelector('#canvas');
if (!canvas) return;
const canvasRect = canvas.getBoundingClientRect();
const relativeX = (clientX - canvasRect.left) / this.zoom - 10;
const relativeY = (clientY - canvasRect.top) / this.zoom - 10;
const snappedLeft = snapToGrid(relativeX);
const snappedTop = snapToGrid(relativeY);
const canvasMenu = this.querySelector('temba-canvas-menu') as CanvasMenu;
if (canvasMenu) {
const hasNodes = this.definition && this.definition.nodes.length > 0;
canvasMenu.show(
clientX,
clientY,
{
x: snappedLeft,
y: snappedTop
},
true,
hasNodes,
CONTEXT_MENU_SHORTCUTS[this.flowType]
);
}
}
private handleEmptyFlowClick(event: MouseEvent): void {
const editor = this.querySelector('#editor') as HTMLElement;
if (!editor) return;
// Scroll to top-left
editor.scrollTo({ left: 0, top: 0, behavior: 'smooth' });
// Place node at top-left of the canvas
const nodeLeft = 0;
const nodeTop = 0;
const canvasMenu = this.querySelector('temba-canvas-menu') as CanvasMenu;
if (canvasMenu) {
const button = event.currentTarget as HTMLElement;
const rect = button.getBoundingClientRect();
const menuWidth = 265;
const menuX = rect.left + rect.width / 2 - menuWidth / 2;
const menuY = rect.bottom + 8;
canvasMenu.show(
menuX,
menuY,
{ x: nodeLeft, y: nodeTop },
false,
false,
CONTEXT_MENU_SHORTCUTS[this.flowType]
);
}
}
private handleCanvasMenuSelection(event: CustomEvent): void {
const selection = event.detail as CanvasMenuSelection;
const store = getStore();
if (selection.action === 'reflow') {
this.performReflow();
return;
}
if (selection.action === 'sticky') {
// Create new sticky note
const stickyUuid = store.getState().createStickyNote({
left: selection.position.x,
top: selection.position.y
});
// Check for collisions with the new sticky as sacred
requestAnimationFrame(() => {
this.checkCollisionsAndReflow([stickyUuid]);
});
// Clear all pending connection state and placeholder
this.pendingCanvasConnection = null;
this.connectionPlaceholder = null;
this.sourceId = null;
this.connectionSourceX = null;
this.connectionSourceY = null;
this.dragFromNodeId = null;
} else if (selection.action === 'other') {
// Show unified node type selector
const selector = this.querySelector(
'temba-node-type-selector'
) as NodeTypeSelector;
if (selector) {
selector.show('all', selection.position);
}
// Note: we don't clear pendingCanvasConnection or placeholder here,
// they will be used in handleNodeTypeSelection
} else {
// Configured shortcut — go directly to the node editor with the
// action/node type carried in selection.action.
this.handleNodeTypeSelection(
new CustomEvent(CustomEventType.Selection, {
detail: {
nodeType: selection.action,
position: selection.position
} as NodeTypeSelection
})
);
}
}
private cleanUpConnection(): void {
if (this.isCreatingNewNode) {
this.isCreatingNewNode = false;
this.pendingNodePosition = null;
}
// see if we need to put our connection back
if (this.originalConnectionTargetId) {
this.plumber.connectIds(
this.dragFromNodeId,
this.sourceId,
this.originalConnectionTargetId
);
this.originalConnectionTargetId = null;
}
// Menu closed without selection - clear placeholder and pending connection
if (this.pendingCanvasConnection) {
this.pendingCanvasConnection = null;
this.connectionPlaceholder = null;
this.sourceId = null;
this.connectionSourceX = null;
this.connectionSourceY = null;
this.dragFromNodeId = null;
this.originalConnectionTargetId = null;
}
}
private handleCanvasMenuClosed(): void {
this.cleanUpConnection();
}
private handleNodeTypeSelectorClosed(): void {
this.addActionToNodeUuid = null;
this.cleanUpConnection();
}
private handleNodeTypeSelection(event: CustomEvent): void {
const selection = event.detail as NodeTypeSelection;
// Check if we have a pending canvas connection (from dropping on empty canvas)
if (this.pendingCanvasConnection) {
// Don't clear the placeholder yet - keep it visible while editing
// The position is already stored in pendingCanvasConnection
// Fall through to normal node creation flow below
}
// Check if we're adding an action to an existing node
if (this.addActionToNodeUuid) {
// Find the existing node
const node = this.definition.nodes.find(
(n) => n.uuid === this.addActionToNodeUuid
);
const nodeUI = this.definition._ui.nodes[this.addActionToNodeUuid];
if (node && nodeUI) {
// Create a new action to add to the existing node
const actionUuid = generateUUID();
this.editingAction = {
uuid: actionUuid,
type: selection.nodeType as any
} as Action;
// Set the editing node to the existing node (not creating new)
this.editingNode = node;
this.editingNodeUI = nodeUI;
this.isCreatingNewNode = false;
// Clear the addActionToNodeUuid flag
this.addActionToNodeUuid = null;
return;
}
// If we couldn't find the node, clear the flag and continue with normal flow
this.addActionToNodeUuid = null;
}
// Create a temporary node structure for editing (not added to store yet)
const nodeUuid = generateUUID();
// Determine if this is an action type or a node type
// Actions need to be wrapped in an execute_actions node
const isActionType = selection.nodeType in ACTION_CONFIG;
const nodeType = isActionType ? 'execute_actions' : selection.nodeType;
// For nodes with routers, initialize an empty router to ensure fromFormData works correctly
const nodeConfig = NODE_CONFIG[nodeType];
const hasRouter =
nodeConfig?.form &&
Object.keys(nodeConfig.form).some(
(key) =>
['rules', 'categories', 'cases'].includes(key) ||
nodeConfig.form[key]?.type === 'array'
);
const tempNode: Node = {
uuid: nodeUuid,
actions: [],
exits: hasRouter
? [] // Router-based nodes will generate their own exits
: [
{
uuid: generateUUID(),
destination_uuid: null
}
]
};
if (hasRouter) {
// This node uses a router - initialize it with empty structure
tempNode.router = {
type: 'switch',
categories: [],
cases: [],
operand: '@input.text',
default_category_uuid: undefined
};
}
const tempNodeUI: NodeUI = {
position: this.pendingCanvasConnection
? this.pendingCanvasConnection.position
: {
left: selection.position.x,
top: selection.position.y
},
type: nodeType as any,
config: {}
};
// Mark that we're creating a new node and store the position
this.isCreatingNewNode = true;
this.pendingNodePosition = this.pendingCanvasConnection
? this.pendingCanvasConnection.position
: {
left: selection.position.x,
top: selection.position.y
};
// Open the node editor with the temporary node
this.editingNode = tempNode;
this.editingNodeUI = tempNodeUI;
// If this is an action type, we also need to set up an editing action
if (isActionType) {
const actionUuid = generateUUID();
this.editingAction = {
uuid: actionUuid,
type: selection.nodeType as any
} as Action;
}
}
private editForceBase = false;
private handleActionEditRequested(event: CustomEvent): void {
// For action editing, we set the action and find the corresponding node
this.editingAction = event.detail.action;
this.editForceBase = !!event.detail.forceBase;
this.dialogOrigin =
event.detail.originX != null
? { x: event.detail.originX, y: event.detail.originY }
: null;
// Find the node that contains this action
const nodeUuid = event.detail.nodeUuid;
const node = this.definition.nodes.find((n) => n.uuid === nodeUuid);
if (node) {
this.editingNode = node;
this.editingNodeUI = this.definition._ui.nodes[nodeUuid];
}
}
private handleAddActionRequested(event: CustomEvent): void {
// Get the node where we want to add the action
const nodeUuid = event.detail.nodeUuid;
const node = this.definition.nodes.find((n) => n.uuid === nodeUuid);
if (!node) {
return;
}
// Get the node's position to place the selector near it
const nodeUI = this.definition._ui.nodes[nodeUuid];
if (!nodeUI) {
return;
}
// Show the node type selector in action mode, excluding branching actions
const selector = this.querySelector(
'temba-node-type-selector'
) as NodeTypeSelector;
if (selector) {
// Show the selector near the node, using a mode that excludes branching actions
selector.show('action-no-branching', {
x: nodeUI.position.left,
y: nodeUI.position.top
});
// Store the node UUID so we know which node to add the action to
this.addActionToNodeUuid = nodeUuid;
}
}
private handleNodeEditRequested(event: CustomEvent): void {
this.editForceBase = !!event.detail.forceBase;
this.editingAction = null;
this.editingNode = event.detail.node;
this.editingNodeUI = event.detail.nodeUI;
this.dialogOrigin =
event.detail.originX != null
? { x: event.detail.originX, y: event.detail.originY }
: null;
}
private handleNodeDeleted(event: CustomEvent): void {
const nodeUuid = event.detail.uuid;
if (nodeUuid) {
this.deleteNodes([nodeUuid]);
}
}
private handleActionSaved(updatedAction: Action): void {
if (this.editingNode && this.editingAction) {
let updatedActions: Action[];
// Check if this action already exists in the node
const existingActionIndex = this.editingNode.actions.findIndex(
(action) => action.uuid === this.editingAction.uuid
);
if (existingActionIndex >= 0) {
// Update existing action
updatedActions = this.editingNode.actions.map((action) =>
action.uuid === this.editingAction.uuid ? updatedAction : action
);
} else {
// Add new action
updatedActions = [...this.editingNode.actions, updatedAction];
}
const updatedNode = { ...this.editingNode, actions: updatedActions };
// Check if we're creating a new node or updating an existing one
if (this.isCreatingNewNode) {
// This is a new node with a new action - add it to the store
const store = getStore();
const nodeUI: NodeUI = {
position: this.pendingNodePosition || { left: 0, top: 0 },
type: this.editingNodeUI?.type,
config: {}
};
// Add the node to the store
store.getState().addNode(updatedNode, nodeUI);
// If we have a pending canvas connection, connect it to this new node
if (this.pendingCanvasConnection) {
store
.getState()
.updateConnection(
this.pendingCanvasConnection.fromNodeId,
this.pendingCanvasConnection.exitId,
updatedNode.uuid
);
// Clear the pending connection and placeholder
this.pendingCanvasConnection = null;
this.connectionPlaceholder = null;
this.sourceId = null;
this.connectionSourceX = null;
this.connectionSourceY = null;
this.dragFromNodeId = null;
}
// Reset the creation flags
this.isCreatingNewNode = false;
this.pendingNodePosition = null;
// Check for collisions and reflow
requestAnimationFrame(() => {
this.checkCollisionsAndReflow([updatedNode.uuid]);
});
} else {
const uuid = this.editingNode.uuid;
// Update existing node in the store
getStore()?.getState().updateNode(uuid, updatedNode);
// Check for collisions and reflow in case node size changed
requestAnimationFrame(() => {
this.checkCollisionsAndReflow([uuid]);
});
}
}
this.closeNodeEditor();
}
private closeNodeEditor(): void {
this.editingNode = null;
this.editingNodeUI = null;
this.editingAction = null;
this.dialogOrigin = null;
this.editForceBase = false;
}
private handleActionEditCanceled(): void {
// If we were creating a new node, just discard it
this.cleanUpConnection();
this.closeNodeEditor();
}
private handleNodeSaved(
updatedNode: Node,
uiConfig?: Record<string, any>
): void {
if (this.editingNode) {
if (this.isCreatingNewNode) {
// This is a new node - add it to the store for the first time
const store = getStore();
const nodeUI: NodeUI = {
position: this.pendingNodePosition || { left: 0, top: 0 },
type: this.editingNodeUI?.type,
config: uiConfig || {}
};
// Add the node to the store
store.getState().addNode(updatedNode, nodeUI);
// If we have a pending canvas connection, connect it to this new node
if (this.pendingCanvasConnection) {
store
.getState()
.updateConnection(
this.pendingCanvasConnection.fromNodeId,
this.pendingCanvasConnection.exitId,
updatedNode.uuid
);
// Clear the pending connection and placeholder
this.pendingCanvasConnection = null;
this.connectionPlaceholder = null;
this.sourceId = null;
this.connectionSourceX = null;
this.connectionSourceY = null;
this.dragFromNodeId = null;
}
// Reset the creation flags
this.isCreatingNewNode = false;
this.pendingNodePosition = null;
// Check for collisions and reflow
requestAnimationFrame(() => {
this.checkCollisionsAndReflow([updatedNode.uuid]);
});
} else {
// This is an existing node - update it
// Clean up jsPlumb connections for removed exits before updating the node
if (this.plumber) {
const oldExits = this.editingNode.exits || [];
const newExits = updatedNode.exits || [];
// Find exits that were removed
const removedExits = oldExits.filter(
(oldExit) =>
!newExits.find((newExit) => newExit.uuid === oldExit.uuid)
);
// Remove jsPlumb connections for removed exits
removedExits.forEach((exit) => {
this.plumber.removeExitConnection(exit.uuid);
});
}
this.plumber.revalidate([updatedNode.uuid]);
// Update the node in the store
getStore()?.getState().updateNode(this.editingNode.uuid, updatedNode);
// Update the UI config if provided
if (uiConfig) {
getStore()?.getState().updateNodeUIConfig(updatedNode.uuid, uiConfig);
}
// Check for collisions and reflow in case node size changed
const nodeUuid = updatedNode.uuid;
requestAnimationFrame(() => {
this.checkCollisionsAndReflow([nodeUuid]);
});
}
}
this.closeNodeEditor();
}
private handleNodeEditCanceled(): void {
this.cleanUpConnection();
this.closeNodeEditor();
}
private getNodeAtPosition(mouseX: number, mouseY: number): string | null {
// Get all node elements
const nodeElements = this.querySelectorAll('temba-flow-node');
for (const nodeElement of Array.from(nodeElements)) {
const rect = nodeElement.getBoundingClientRect();
if (
mouseX >= rect.left &&
mouseX <= rect.right &&
mouseY >= rect.top &&
mouseY <= rect.bottom
) {
return nodeElement.getAttribute('data-node-uuid');
}
}
return null;
}
private calculateCanvasDropPosition(
mouseX: number,
mouseY: number,
applyGridSnapping: boolean = true
): FlowPosition {
// calculate the position on the canvas
const canvas = this.querySelector('#canvas');
if (!canvas) return { left: 0, top: 0 };
const canvasRect = canvas.getBoundingClientRect();
// Convert viewport coordinates to canvas coordinates, accounting for zoom
const left = (mouseX - canvasRect.left) / this.zoom - DROP_PREVIEW_OFFSET_X;
const top = (mouseY - canvasRect.top) / this.zoom - DROP_PREVIEW_OFFSET_Y;
// Apply grid snapping only if requested (for final drop position)
if (applyGridSnapping) {
return {
left: snapToGrid(left),
top: snapToGrid(top)
};
}
return { left, top };
}
private handleActionDragExternal(event: CustomEvent): void {
const {
action,
nodeUuid,
actionIndex,
mouseX,
mouseY,
actionHeight = 60,
isLastAction = false
} = event.detail;
// Track action external drag state for shift-copy support
const isFirstExternalEvent = !this.isActionExternalDrag;
this.isActionExternalDrag = true;
this.actionDragLastDetail = {
action,
nodeUuid,
actionIndex,
mouseX,
mouseY,
actionHeight,
isLastAction
};
// Initialize copy mode from current shift state (handles shift held before drag)
if (isFirstExternalEvent) {
const shiftHeld =
this.querySelector('#canvas')?.classList.contains('shift-held') ??
false;
if (shiftHeld) {
this.actionDragIsCopy = true;
this.showActionOriginal(true);
} else {
(this.querySelector('#drag-hint') as HTMLElement)?.classList.add(
'visible'
);
}
}
// Check if mouse is over another execute_actions node
const targetNode = this.getNodeAtPosition(mouseX, mouseY);
if (targetNode && targetNode !== nodeUuid) {
const targetNodeUI = this.definition._ui.nodes[targetNode];
const targetNodeDef = this.definition.nodes.find(
(n) => n.uuid === targetNode
);
// Only allow dropping on execute_actions nodes, and not the source node
if (targetNodeUI?.type === 'execute_actions' && targetNodeDef) {
// If we moved to a different target node, clear the previous one's placeholder
if (
this.previousActionDragTargetNodeUuid &&
this.previousActionDragTargetNodeUuid !== targetNode
) {
const previousElement = this.querySelector(
`temba-flow-node[data-node-uuid="${this.previousActionDragTargetNodeUuid}"]`
);
if (previousElement) {
previousElement.dispatchEvent(
new CustomEvent('action-drag-leave', {
detail: {},
bubbles: false
})
);
}
}
// Update target node for drop handling
this.actionDragTargetNodeUuid = targetNode;
this.previousActionDragTargetNodeUuid = targetNode;
// Hide canvas preview when over a valid target
this.canvasDropPreview = null;
// Tell source node to show ghost (we're over a valid target)
const sourceElement = this.querySelector(
`temba-flow-node[data-node-uuid="${nodeUuid}"]`
);
if (sourceElement) {
sourceElement.dispatchEvent(
new CustomEvent('action-show-ghost', {
detail: {},
bubbles: false
})
);
}
// Notify the target node about the drag
const targetElement = this.querySelector(
`temba-flow-node[data-node-uuid="${targetNode}"]`
);
if (targetElement) {
targetElement.dispatchEvent(
new CustomEvent('action-drag-over', {
detail: {
action,
sourceNodeUuid: nodeUuid,
actionIndex,
mouseX,
mouseY,
actionHeight
},
bubbles: false
})
);
}
this.requestUpdate();
return;
}
}
// Not over a valid target node, clear any previous target's placeholder
if (this.previousActionDragTargetNodeUuid) {
const previousElement = this.querySelector(
`temba-flow-node[data-node-uuid="${this.previousActionDragTargetNodeUuid}"]`
);
if (previousElement) {
previousElement.dispatchEvent(
new CustomEvent('action-drag-leave', {
detail: {},
bubbles: false
})
);
}
this.previousActionDragTargetNodeUuid = null;
}
this.actionDragTargetNodeUuid = null;
const sourceElement = this.querySelector(
`temba-flow-node[data-node-uuid="${nodeUuid}"]`
);
// Show canvas drop preview if this is not the last action,
// or if shift-copy is active (copying allows canvas drop for last action too)
if (!isLastAction || this.actionDragIsCopy) {
// Hide ghost when showing canvas preview (for canvas drops)
if (sourceElement) {
sourceElement.dispatchEvent(
new CustomEvent('action-hide-ghost', {
detail: {},
bubbles: false
})
);
}
// Don't snap to grid for preview - let it follow cursor smoothly
const position = this.calculateCanvasDropPosition(mouseX, mouseY, false);
this.canvasDropPreview = {
action,
nodeUuid,
actionIndex,
position,
actionHeight
};
} else {
// For last action without copy, keep ghost visible (can't drop on canvas)
if (sourceElement) {
sourceElement.dispatchEvent(
new CustomEvent('action-show-ghost', {
detail: {},
bubbles: false
})
);
}
// Clear any existing preview for last action
this.canvasDropPreview = null;
}
// Force re-render to update preview position
this.requestUpdate();
}
private handleActionDragInternal(_event: CustomEvent): void {
// Clear any previous target's placeholder when returning to internal drag
if (this.previousActionDragTargetNodeUuid) {
const previousElement = this.querySelector(
`temba-flow-node[data-node-uuid="${this.previousActionDragTargetNodeUuid}"]`
);
if (previousElement) {
previousElement.dispatchEvent(
new CustomEvent('action-drag-leave', {
detail: {},
bubbles: false
})
);
}
this.previousActionDragTargetNodeUuid = null;
}
this.canvasDropPreview = null;
this.actionDragTargetNodeUuid = null;
this.isActionExternalDrag = false;
this.actionDragIsCopy = false;
(this.querySelector('#drag-hint') as HTMLElement)?.classList.remove(
'visible'
);
this.actionDragLastDetail = null;
}
/** Show or hide the original action element in the source node. */
private showActionOriginal(visible: boolean): void {
if (!this.actionDragLastDetail) return;
const sourceElement = this.querySelector(
`temba-flow-node[data-node-uuid="${this.actionDragLastDetail.nodeUuid}"]`
);
if (sourceElement) {
sourceElement.dispatchEvent(
new CustomEvent(
visible ? 'action-show-original' : 'action-hide-original',
{ detail: {}, bubbles: false }
)
);
}
}
/**
* Reprocess the last action drag event with the current shift-copy state.
* Used when shift is toggled mid-drag to show/hide the canvas preview
* for last-action drags.
*/
private reprocessActionDrag(): void {
if (!this.actionDragLastDetail) return;
const { action, nodeUuid, actionIndex, mouseX, mouseY, actionHeight } =
this.actionDragLastDetail;
const sourceElement = this.querySelector(
`temba-flow-node[data-node-uuid="${nodeUuid}"]`
);
// Only relevant when not hovering a target node
if (this.actionDragTargetNodeUuid) return;
if (this.actionDragIsCopy) {
// Shift pressed: show canvas preview
if (sourceElement) {
sourceElement.dispatchEvent(
new CustomEvent('action-hide-ghost', {
detail: {},
bubbles: false
})
);
}
const position = this.calculateCanvasDropPosition(mouseX, mouseY, false);
this.canvasDropPreview = {
action,
nodeUuid,
actionIndex,
position,
actionHeight
};
} else {
// Shift released: hide canvas preview, show ghost
if (sourceElement) {
sourceElement.dispatchEvent(
new CustomEvent('action-show-ghost', {
detail: {},
bubbles: false
})
);
}
this.canvasDropPreview = null;
}
}
private handleActionDropExternal(event: CustomEvent): void {
const {
action,
nodeUuid,
actionIndex,
mouseX,
mouseY,
isLastAction = false
} = event.detail;
const isCopy = this.actionDragIsCopy;
// Reset action drag state
this.isActionExternalDrag = false;
this.actionDragIsCopy = false;
this.actionDragLastDetail = null;
this.previousActionDragTargetNodeUuid = null;
(this.querySelector('#drag-hint') as HTMLElement)?.classList.remove(
'visible'
);
// Check if we're dropping on an existing execute_actions node
const targetNodeUuid = this.actionDragTargetNodeUuid;
if (targetNodeUuid && targetNodeUuid !== nodeUuid) {
// Dropping on another node - notify the target node to handle the drop
const targetElement = this.querySelector(
`temba-flow-node[data-node-uuid="${targetNodeUuid}"]`
);
if (targetElement) {
targetElement.dispatchEvent(
new CustomEvent('action-drop', {
detail: {
action,
sourceNodeUuid: nodeUuid,
actionIndex,
mouseX,
mouseY,
isCopy
},
bubbles: false
})
);
}
// Clear state
this.canvasDropPreview = null;
this.actionDragTargetNodeUuid = null;
return;
}
// If this is the last action and not copying, do nothing
// Last actions can only be moved to other nodes, not dropped on canvas
if (isLastAction && !isCopy) {
this.canvasDropPreview = null;
this.actionDragTargetNodeUuid = null;
return;
}
// Not dropping on another node, create a new one on canvas
// Snap to grid for the final drop position
const position = this.calculateCanvasDropPosition(mouseX, mouseY, true);
if (!isCopy) {
// remove the action from the original node
const originalNode = this.definition.nodes.find(
(n) => n.uuid === nodeUuid
);
if (!originalNode) return;
const updatedActions = originalNode.actions.filter(
(_a, idx) => idx !== actionIndex
);
// if no actions remain, delete the node
if (updatedActions.length === 0) {
// Use deleteNodes to properly clean up Plumber connections before removing
this.deleteNodes([nodeUuid]);
} else {
// update the node
const updatedNode = { ...originalNode, actions: updatedActions };
getStore()?.getState().updateNode(nodeUuid, updatedNode);
}
}
// create a new execute_actions node with the dropped action
// When copying, generate a fresh UUID so the clone doesn't share the original's
const droppedAction = isCopy ? { ...action, uuid: generateUUID() } : action;
const newNode: Node = {
uuid: generateUUID(),
actions: [droppedAction],
exits: [
{
uuid: generateUUID(),
destination_uuid: null
}
]
};
const newNodeUI: NodeUI = {
position,
type: 'execute_actions',
config: {}
};
// add the new node
getStore()?.getState().addNode(newNode, newNodeUI);
// Copy localizations from the original action to the new one
if (isCopy) {
this.copyActionLocalizations(action.uuid, droppedAction.uuid);
}
// clear the preview
this.canvasDropPreview = null;
this.actionDragTargetNodeUuid = null;
// Check for collisions and reflow after adding new node
requestAnimationFrame(() => {
this.checkCollisionsAndReflow([newNode.uuid]);
});
}
/** Copy all localization entries from one action UUID to another. */
private copyActionLocalizations(
sourceUuid: string,
targetUuid: string
): void {
const localization = this.definition?.localization;
if (!localization) return;
const store = getStore()?.getState();
if (!store) return;
for (const langCode of Object.keys(localization)) {
const entry = localization[langCode]?.[sourceUuid];
if (entry) {
store.updateLocalization(
langCode,
targetUuid,
JSON.parse(JSON.stringify(entry))
);
}
}
}
private closeOpenWindows(): void {
if (!this.issuesWindowHidden) {
this.issuesWindowHidden = true;
}
if (!this.revisionsWindowHidden) {
this.getRevisionsWindow()?.close();
this.revisionsWindowHidden = true;
}
if (this.simulatorActive) {
const simulator = document.querySelector('temba-simulator') as any;
simulator?.handleClose();
}
}
private closeFloatingWindows(): void {
if (!this.issuesWindowHidden) {
this.issuesWindowHidden = true;
}
if (!this.revisionsWindowHidden) {
this.getRevisionsWindow()?.close();
this.revisionsWindowHidden = true;
}
}
private getRevisionsWindow(): RevisionsWindow | null {
return this.querySelector(
'temba-revisions-window'
) as RevisionsWindow | null;
}
// --- Issues window event handlers ---
private handleIssuesTabClick(): void {
if (!this.issuesWindowHidden) {
this.issuesWindowHidden = true;
return;
}
this.closeOpenWindows();
this.issuesWindowHidden = false;
}
private handleIssueSelected(e: CustomEvent): void {
const { issue } = e.detail;
this.issuesWindowHidden = true;
this.focusNode(issue.node_uuid);
const node = this.definition.nodes.find((n) => n.uuid === issue.node_uuid);
if (!node) return;
if (issue.action_uuid) {
const action = node.actions?.find((a) => a.uuid === issue.action_uuid);
if (action) {
this.editingAction = action;
this.editingNode = node;
this.editingNodeUI = this.definition._ui.nodes[issue.node_uuid];
}
} else {
this.editingNode = node;
this.editingNodeUI = this.definition._ui.nodes[issue.node_uuid];
}
}
// --- Revisions window event handlers ---
private handleRevisionViewed(): void {
this.viewingRevision = true;
this.closeFlowSearch();
this.plumber?.reset();
}
private handleRevisionCancelled(): void {
this.viewingRevision = false;
this.plumber?.reset();
}
private handleRevisionsClosed(): void {
this.viewingRevision = false;
this.revisionsWindowHidden = true;
}
private async handleRevisionReverted(e: CustomEvent): Promise<void> {
const { definition, languageCode } = e.detail;
this.viewingRevision = false;
this.revisionsWindowHidden = true;
this.plumber?.reset();
await this.saveChanges(definition);
getStore()
.getState()
.fetchRevision(`/flow/revisions/${this.flow}`)
.finally(() => {
if (languageCode) {
this.handleLanguageChange(languageCode);
}
});
}
private renderToolbarElement(): TemplateResult {
const languages = this.getLocalizationLanguages();
const availableLanguages = this.getAvailableLanguages();
const baseLanguage = this.definition?.language;
const baseLanguageName =
availableLanguages.find((lang) => lang.code === baseLanguage)?.name ||
(baseLanguage ? getLanguageDisplayName(baseLanguage) : '') ||
'Primary language';
const isBaseSelected =
!this.languageCode ||
this.languageCode === baseLanguage ||
!languages.some((lang) => lang.code === this.languageCode);
const activeLanguage = !isBaseSelected
? languages.find((lang) => lang.code === this.languageCode)
: null;
const currentLanguage = activeLanguage || {
code: baseLanguage || '',
name: baseLanguageName
};
const progress = this.getLocalizationProgress(
isBaseSelected ? '' : this.languageCode
);
const percent = Math.round(
(progress.localized / Math.max(progress.total, 1)) * 100
);
const isEmptyFlow = !this.definition || this.definition.nodes.length === 0;
const languageOptions = isEmptyFlow
? []
: [
{
name: baseLanguageName,
value: PRIMARY_LANGUAGE_OPTION_VALUE
},
...languages.map((lang) => {
const localizationProgress = this.getLocalizationProgress(
lang.code
);
const localizationPercent = Math.round(
(localizationProgress.localized /
Math.max(localizationProgress.total, 1)) *
100
);
return {
name: lang.name,
value: lang.code,
percent: localizationPercent
};
})
];
// shown whenever the active language has any localizable content, even
// at 100% — the dialog's "update existing" option lets users re-run
// translation on already-translated entries.
const hasPendingTranslations =
Boolean(activeLanguage) && progress.total > 0;
return html`
<temba-editor-toolbar
?message-view=${this.showMessageTable}
.zoom=${this.zoom}
?zoom-initialized=${this.zoomManager.isZoomInitialized}
?zoom-fitted=${this.zoomManager.isZoomFitted}
?revisions-active=${!this.revisionsWindowHidden}
?is-saving=${this.isSaving}
?search-disabled=${this.getRevisionsWindow()?.isViewingRevision ??
false}
.languageOptions=${languageOptions}
current-language-name=${currentLanguage.name}
?is-base-language=${isBaseSelected}
.languagePercent=${percent}
?show-localization-tools=${Boolean(activeLanguage)}
?has-pending-translations=${hasPendingTranslations ||
this.autoTranslating}
?auto-translate-disabled=${this.viewingRevision}
?auto-translating=${this.autoTranslating}
@temba-button-clicked=${this.handleToolbarAction}
></temba-editor-toolbar>
`;
}
private handleToolbarAction(e: CustomEvent): void {
const detail = e.detail as ToolbarAction;
switch (detail.action) {
case 'view-change':
this.showMessageTable = detail.view === 'table';
break;
case 'zoom-in':
this.zoomManager.zoomIn();
break;
case 'zoom-out':
this.zoomManager.zoomOut();
break;
case 'zoom-to-fit':
this.zoomManager.zoomToFit();
break;
case 'zoom-to-full':
this.zoomManager.zoomToFull();
break;
case 'revisions':
if (!this.revisionsWindowHidden) {
this.getRevisionsWindow()?.close();
this.revisionsWindowHidden = true;
} else {
this.closeOpenWindows();
this.revisionsWindowHidden = false;
}
break;
case 'search':
this.openFlowSearch();
break;
case 'auto-translate':
this.handleAutoTranslateClick();
break;
case 'language-change':
if (detail.isPrimary) {
this.handleLanguageChange(this.definition?.language || '');
} else if (detail.languageCode) {
this.handleLanguageChange(detail.languageCode);
}
break;
}
}
/**
* Focus on a specific node by smoothly scrolling it to the center of the canvas
*/
public focusNode(nodeUuid: string) {
const nodeElement = this.querySelector(
`temba-flow-node[uuid="${nodeUuid}"]`
) as HTMLElement;
if (!nodeElement) {
return;
}
const editor = this.querySelector('#editor') as HTMLElement;
if (!editor) {
return;
}
// Get the editor's dimensions and scroll position
const editorRect = editor.getBoundingClientRect();
const editorCenterX = editorRect.width / 2;
const editorCenterY = editorRect.height / 2;
// Use offsetWidth/offsetHeight (unaffected by ancestor transforms)
const nodeCenterX = nodeElement.offsetLeft + nodeElement.offsetWidth / 2;
const nodeCenterY = nodeElement.offsetTop + nodeElement.offsetHeight / 2;
// Calculate the scroll position needed to center the node.
// Multiply by zoom because scroll operates in visual (transformed) space
// while offsetLeft/offsetTop are in layout space.
const targetScrollX = nodeCenterX * this.zoom - editorCenterX;
const targetScrollY = nodeCenterY * this.zoom - editorCenterY;
// Smooth scroll the editor container to the target position
editor.scrollTo({
left: Math.max(0, targetScrollX),
top: Math.max(0, targetScrollY),
behavior: 'smooth'
});
}
private handleSearchResultSelected(event: CustomEvent): void {
const result = event.detail as SearchResult;
// Handle sticky note results
if (result.stickyField) {
this.focusCanvasElement(
`temba-sticky-note[uuid="${result.nodeUuid}"]`,
result.stickyField
);
return;
}
const node = this.definition.nodes.find((n) => n.uuid === result.nodeUuid);
if (!node) return;
const nodeUI = this.definition._ui?.nodes[result.nodeUuid];
if (this.showMessageTable) {
const messageTable = this.querySelector('temba-message-table') as
| (HTMLElement & {
focusSearchResult?: (
nodeUuid: string,
actionUuid: string | null
) => void;
})
| null;
messageTable?.focusSearchResult?.(
result.nodeUuid,
result.action?.uuid || null
);
} else {
// Scroll to the node on canvas
this.focusNode(result.nodeUuid);
}
// Open editor after a short delay so scroll can start
setTimeout(() => {
if (result.action) {
// Open the action editor
this.editingAction = result.action;
this.editingNode = node;
this.editingNodeUI = nodeUI;
this.dialogOrigin = null;
} else {
// Open the node editor (for splits, webhooks, etc.)
this.editingNode = node;
this.editingNodeUI = nodeUI;
this.dialogOrigin = null;
}
}, 200);
}
/**
* Scroll a canvas element into view and optionally focus a field inside it.
*/
private focusCanvasElement(
selector: string,
stickyField?: 'title' | 'body'
): void {
const el = this.querySelector(selector) as HTMLElement;
if (!el) return;
const editor = this.querySelector('#editor') as HTMLElement;
if (!editor) return;
const editorRect = editor.getBoundingClientRect();
const centerX = el.offsetLeft + el.offsetWidth / 2;
const centerY = el.offsetTop + el.offsetHeight / 2;
const targetScrollX = centerX * this.zoom - editorRect.width / 2;
const targetScrollY = centerY * this.zoom - editorRect.height / 2;
editor.scrollTo({
left: Math.max(0, targetScrollX),
top: Math.max(0, targetScrollY),
behavior: 'smooth'
});
if (stickyField) {
setTimeout(() => {
const fieldEl = el.shadowRoot?.querySelector(
`.sticky-${stickyField}`
) as HTMLElement;
if (fieldEl) {
fieldEl.focus();
}
}, 300);
}
}
public isReadOnly(): boolean {
return this.viewingRevision || this.isTranslating;
}
public render(): TemplateResult {
// we have to embed our own style since we are in light DOM
const style = html`<style>
${unsafeCSS(Editor.styles.cssText)}
${unsafeCSS(CanvasNode.styles.cssText)}
</style>`;
const stickies = this.definition?._ui?.stickies || {};
// Detect flows with missing UI metadata (e.g. stale _ui after UUID
// regeneration during export/import). Flag as corrupted if any node
// is missing a _ui entry, not just when all are.
const hasCorruptedUI =
this.definition &&
this.definition.nodes.length > 0 &&
this.definition.nodes.some((n) => !this.definition._ui?.nodes[n.uuid]);
return html`${style}
<temba-issues-window
.issues=${this.flowIssues}
?hidden=${this.issuesWindowHidden}
@temba-issue-selected=${this.handleIssueSelected}
@temba-issues-closed=${() => (this.issuesWindowHidden = true)}
></temba-issues-window>
<temba-revisions-window
.flow=${this.flow}
?hidden=${this.revisionsWindowHidden}
?saving=${this.isSaving}
@temba-revision-viewed=${this.handleRevisionViewed}
@temba-revision-cancelled=${this.handleRevisionCancelled}
@temba-revision-reverted=${this.handleRevisionReverted}
@temba-revisions-closed=${this.handleRevisionsClosed}
></temba-revisions-window>
<temba-auto-translate
.definition=${this.definition}
language-code=${this.languageCode}
?disabled=${this.viewingRevision}
@temba-auto-translate-changed=${this.handleAutoTranslateChanged}
></temba-auto-translate>
<div id="editor-container">
${this.renderToolbarElement()}
<div id="editor">
${this.showMessageTable
? html`<temba-message-table></temba-message-table>`
: html`
${hasCorruptedUI
? html`<div class="empty-flow">
<div class="empty-flow-content">
<div class="empty-flow-title">
Unable to display this flow
</div>
<div class="empty-flow-description">
This flow's layout data does not match its nodes. It
may have been corrupted during an export or migration.
Please re-export the flow from the original workspace
and try importing it again.
</div>
</div>
</div>`
: this.definition &&
this.definition.nodes.length === 0 &&
!this.isReadOnly()
? html`<div class="empty-flow">
<div class="empty-flow-content">
<div class="empty-flow-title">This flow is empty</div>
<div class="empty-flow-description">
Get started by adding your first action or split to
define how this flow will work.
</div>
<button
class="empty-flow-button"
@click=${this.handleEmptyFlowClick}
>
Add first step
</button>
</div>
</div>`
: ''}
<div
id="grid"
class="${this.viewingRevision ? 'viewing-revision' : ''}"
style="min-width:${100 / this.zoom}%;min-height:${100 /
this.zoom}%;width:${this.canvasSize.width}px; height:${this
.canvasSize.height}px;transform:scale(${this.zoom})"
>
<div
id="canvas"
class="${getClasses({
'viewing-revision': this.viewingRevision,
'read-only-connections':
this.viewingRevision || this.isTranslating
})}"
>
${this.definition && !hasCorruptedUI
? repeat(
[...this.definition.nodes].sort((a, b) =>
a.uuid.localeCompare(b.uuid)
),
(node) => node.uuid,
(node) => {
const nodeUI = this.definition._ui?.nodes[
node.uuid
] || {
position: { left: 0, top: 0 },
type: node.router?.wait
? 'wait_for_response'
: 'execute_actions'
};
const position = nodeUI.position;
const dragging =
this.isDragging &&
this.currentDragItem?.uuid === node.uuid;
const selected = this.selectedItems.has(node.uuid);
// first node is the flow start (nodes are sorted by position)
const isFlowStart =
this.definition.nodes.length > 0 &&
this.definition.nodes[0].uuid === node.uuid;
return html`<temba-flow-node
class="draggable ${dragging
? 'dragging'
: ''} ${selected
? 'selected'
: ''} ${isFlowStart ? 'flow-start' : ''}"
@mousedown=${(e: MouseEvent) =>
this.dragManager.handleMouseDown(e)}
@touchstart=${(e: TouchEvent) =>
this.dragManager.handleItemTouchStart(e)}
uuid=${node.uuid}
data-node-uuid=${node.uuid}
style="left:${position.left}px; top:${position.top}px;transition: all 0.2s ease-in-out;"
.plumber=${this.plumber}
.node=${node}
.ui=${nodeUI}
@temba-node-deleted=${(event) => {
this.deleteNodes([event.detail.uuid]);
}}
></temba-flow-node>`;
}
)
: hasCorruptedUI
? ''
: html`<temba-loading></temba-loading>`}
${repeat(
Object.entries(stickies),
([uuid]) => uuid,
([uuid, sticky]) => {
const position = sticky.position || { left: 0, top: 0 };
const dragging =
this.isDragging &&
this.currentDragItem?.uuid === uuid;
const selected = this.selectedItems.has(uuid);
return html`<temba-sticky-note
class="draggable ${dragging
? 'dragging'
: ''} ${selected ? 'selected' : ''}"
@mousedown=${(e: MouseEvent) =>
this.dragManager.handleMouseDown(e)}
@touchstart=${(e: TouchEvent) =>
this.dragManager.handleItemTouchStart(e)}
style="left:${position.left}px; top:${position.top}px;"
uuid=${uuid}
.data=${sticky}
.dragging=${dragging}
.selected=${selected}
></temba-sticky-note>`;
}
)}
${this.dragManager.renderSelectionBox()}
${this.renderCanvasDropPreview()}
${this.renderConnectionPlaceholder()}
</div>
</div>
`}
</div>
${this.renderPendingCard()}
<div class="drag-hint" id="drag-hint">Hold ⇧ to duplicate</div>
</div>
<div class="loupe" id="loupe">
<div class="loupe-content" id="loupe-content"></div>
<div class="loupe-crosshair-h"></div>
<div class="loupe-crosshair-v"></div>
</div>
${this.editingNode || this.editingAction
? html`<temba-node-editor
.node=${this.editingNode}
.nodeUI=${this.editingNodeUI}
.action=${this.editingAction}
.dialogOrigin=${this.dialogOrigin}
?force-base=${this.editForceBase}
@temba-node-saved=${(e: CustomEvent) =>
this.handleNodeSaved(e.detail.node, e.detail.uiConfig)}
@temba-action-saved=${(e: CustomEvent) =>
this.handleActionSaved(e.detail.action)}
@temba-node-edit-cancelled=${this.handleNodeEditCanceled}
></temba-node-editor>`
: ''}
<temba-canvas-menu></temba-canvas-menu>
${!this.viewingRevision
? html`<temba-node-type-selector
.flowType=${this.flowType}
.features=${this.features}
></temba-node-type-selector>`
: ''}
<temba-flow-search
.scope=${this.showMessageTable ? 'table' : 'flow'}
.includeCategories=${this.isTranslating &&
this.hasAnyNodeWithLocalizeCategories()}
@temba-search-result-selected=${this.handleSearchResultSelected}
></temba-flow-search>
${!this.showMessageTable && this.flowIssues?.length
? html`
<temba-floating-tab
id="issues-tab"
icon="alert_warning"
label="Flow Issues"
color="tomato"
order="2"
.active=${!this.issuesWindowHidden}
@temba-button-clicked=${() => this.handleIssuesTabClick()}
></temba-floating-tab>
`
: ''} `;
}
}
|