mirror of
https://github.com/Comfy-Org/ComfyUI_frontend.git
synced 2026-02-03 06:47:33 +00:00
d9d0837423
* Replace global var with enums * Remove unused interface * Add TS types * Remove unused code * nit - Clean up * Add TS types * nit - Refactor / clean up * nit - Add TS types, clean up * nit - Doc * nit * nit * nit * nit - Doc * nit * nit * nit - let/const * nit - Remove redundant code
2348 lines
86 KiB
TypeScript
2348 lines
86 KiB
TypeScript
import type { Dictionary, IContextMenuValue, IFoundSlot, INodeFlags, INodeInputSlot, INodeOutputSlot, IOptionalSlotData, ISlotType, Point, Rect, Size } from "./interfaces"
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import type { LGraph } from "./LGraph"
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import type { IWidget, TWidgetValue } from "./types/widgets"
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import type { ISerialisedNode } from "./types/serialisation"
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import type { LGraphCanvas } from "./LGraphCanvas"
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import type { CanvasMouseEvent } from "./types/events"
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import type { DragAndScale } from "./DragAndScale"
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import { LGraphEventMode, NodeSlotType, TitleMode, RenderShape } from "./types/globalEnums"
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import { BadgePosition, LGraphBadge } from "./LGraphBadge"
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import { type LGraphNodeConstructor, LiteGraph } from "./litegraph"
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import { isInsideRectangle } from "./measure"
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import { LLink } from "./LLink"
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export type NodeId = number | string
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export interface INodePropertyInfo {
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name: string
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type: string
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default_value: unknown
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}
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export type INodeProperties = Dictionary<unknown> & {
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horizontal?: boolean
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}
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interface IMouseOverData {
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inputId: number | null
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outputId: number | null
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overWidget: IWidget | null
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}
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interface ConnectByTypeOptions {
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/** @deprecated Events */
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createEventInCase?: boolean
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/** Allow our wildcard slot to connect to typed slots on remote node. Default: true */
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wildcardToTyped?: boolean
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/** Allow our typed slot to connect to wildcard slots on remote node. Default: true */
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typedToWildcard?: boolean
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}
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/** Internal type used for type safety when implementing generic checks for inputs & outputs */
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interface IGenericLinkOrLinks {
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links?: INodeOutputSlot["links"]
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link?: INodeInputSlot["link"]
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}
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interface FindFreeSlotOptions {
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/** Slots matching these types will be ignored. Default: [] */
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typesNotAccepted?: ISlotType[]
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/** If true, the slot itself is returned instead of the index. Default: false */
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returnObj?: boolean
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}
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/*
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title: string
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pos: [x,y]
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size: [x,y]
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input|output: every connection
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+ { name:string, type:string, pos: [x,y]=Optional, direction: "input"|"output", links: Array });
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general properties:
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+ clip_area: if you render outside the node, it will be clipped
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+ unsafe_execution: not allowed for safe execution
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+ skip_repeated_outputs: when adding new outputs, it wont show if there is one already connected
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+ resizable: if set to false it wont be resizable with the mouse
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+ horizontal: slots are distributed horizontally
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+ widgets_start_y: widgets start at y distance from the top of the node
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flags object:
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+ collapsed: if it is collapsed
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supported callbacks:
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+ onAdded: when added to graph (warning: this is called BEFORE the node is configured when loading)
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+ onRemoved: when removed from graph
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+ onStart: when the graph starts playing
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+ onStop: when the graph stops playing
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+ onDrawForeground: render the inside widgets inside the node
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+ onDrawBackground: render the background area inside the node (only in edit mode)
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+ onMouseDown
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+ onMouseMove
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+ onMouseUp
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+ onMouseEnter
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+ onMouseLeave
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+ onExecute: execute the node
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+ onPropertyChanged: when a property is changed in the panel (return true to skip default behaviour)
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+ onGetInputs: returns an array of possible inputs
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+ onGetOutputs: returns an array of possible outputs
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+ onBounding: in case this node has a bigger bounding than the node itself (the callback receives the bounding as [x,y,w,h])
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+ onDblClick: double clicked in the node
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+ onNodeTitleDblClick: double clicked in the node title
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+ onInputDblClick: input slot double clicked (can be used to automatically create a node connected)
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+ onOutputDblClick: output slot double clicked (can be used to automatically create a node connected)
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+ onConfigure: called after the node has been configured
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+ onSerialize: to add extra info when serializing (the callback receives the object that should be filled with the data)
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+ onSelected
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+ onDeselected
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+ onDropItem : DOM item dropped over the node
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+ onDropFile : file dropped over the node
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+ onConnectInput : if returns false the incoming connection will be canceled
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+ onConnectionsChange : a connection changed (new one or removed) (NodeSlotType.INPUT or NodeSlotType.OUTPUT, slot, true if connected, link_info, input_info )
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+ onAction: action slot triggered
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+ getExtraMenuOptions: to add option to context menu
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*/
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export interface LGraphNode {
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constructor: LGraphNodeConstructor
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}
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/**
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* Base Class for all the node type classes
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* @param {String} name a name for the node
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*/
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export class LGraphNode {
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// Static properties used by dynamic child classes
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static title?: string
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static MAX_CONSOLE?: number
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static type?: string
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static category?: string
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static supported_extensions?: string[]
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static filter?: string
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static skip_list?: boolean
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title?: string
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graph: LGraph
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id?: NodeId
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type?: string
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inputs: INodeInputSlot[]
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outputs: INodeOutputSlot[]
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// Not used
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connections: unknown[]
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properties: INodeProperties
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properties_info: INodePropertyInfo[]
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flags: INodeFlags
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widgets?: IWidget[]
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size: Size
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locked?: boolean
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// Execution order, automatically computed during run
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order?: number
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mode: LGraphEventMode
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last_serialization?: ISerialisedNode
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serialize_widgets?: boolean
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color: string
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bgcolor: string
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boxcolor: string
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exec_version: number
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action_call?: string
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execute_triggered: number
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action_triggered: number
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widgets_up?: boolean
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widgets_start_y?: number
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lostFocusAt?: number
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gotFocusAt?: number
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badges: (LGraphBadge | (() => LGraphBadge))[]
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badgePosition: BadgePosition
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onOutputRemoved?(this: LGraphNode, slot: number): void
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onInputRemoved?(this: LGraphNode, slot: number, input: INodeInputSlot): void
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_collapsed_width: number
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onBounding?(this: LGraphNode, out: Rect): void
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horizontal?: boolean
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console?: string[]
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_level: number
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_shape?: RenderShape
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subgraph?: LGraph
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skip_subgraph_button?: boolean
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mouseOver?: IMouseOverData
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is_selected?: boolean
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redraw_on_mouse?: boolean
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// Appears unused
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optional_inputs?
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// Appears unused
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optional_outputs?
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resizable?: boolean
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clonable?: boolean
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_relative_id?: number
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clip_area?: boolean
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ignore_remove?: boolean
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has_errors?: boolean
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removable?: boolean
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block_delete?: boolean
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_pos: Point
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public get pos() {
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return this._pos
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}
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public set pos(value) {
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if (!value || value.length < 2) return
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this._pos[0] = value[0]
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this._pos[1] = value[1]
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}
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get shape(): RenderShape {
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return this._shape
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}
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set shape(v: RenderShape | "default" | "box" | "round" | "circle" | "card") {
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switch (v) {
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case "default":
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delete this._shape
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break
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case "box":
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this._shape = RenderShape.BOX
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break
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case "round":
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this._shape = RenderShape.ROUND
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break
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case "circle":
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this._shape = RenderShape.CIRCLE
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break
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case "card":
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this._shape = RenderShape.CARD
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break
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default:
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this._shape = v
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}
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}
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// Used in group node
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setInnerNodes?(this: LGraphNode, nodes: LGraphNode[]): void
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onConnectInput?(this: LGraphNode, target_slot: number, type: unknown, output: INodeOutputSlot, node: LGraphNode, slot: number): boolean
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onConnectOutput?(this: LGraphNode, slot: number, type: unknown, input: INodeInputSlot, target_node: number | LGraphNode, target_slot: number): boolean
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onResize?(this: LGraphNode, size: Size): void
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onPropertyChanged?(this: LGraphNode, name: string, value: unknown, prev_value?: unknown): boolean
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onConnectionsChange?(this: LGraphNode, type: ISlotType, index: number, isConnected: boolean, link_info: LLink, inputOrOutput: INodeInputSlot | INodeOutputSlot): void
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onInputAdded?(this: LGraphNode, input: INodeInputSlot): void
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onOutputAdded?(this: LGraphNode, output: INodeOutputSlot): void
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onConfigure?(this: LGraphNode, serialisedNode: ISerialisedNode): void
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onSerialize?(this: LGraphNode, serialised: ISerialisedNode): any
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onExecute?(this: LGraphNode, param?: unknown, options?: { action_call?: any }): void
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onAction?(this: LGraphNode, action: string, param: unknown, options: { action_call?: string }): void
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onDrawBackground?(this: LGraphNode, ctx: CanvasRenderingContext2D, canvas: LGraphCanvas, canvasElement: HTMLCanvasElement, mousePosition: Point): void
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onNodeCreated?(this: LGraphNode): void
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/**
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* Callback invoked by {@link connect} to override the target slot index. Its return value overrides the target index selection.
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* @param target_slot The current input slot index
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* @param requested_slot The originally requested slot index - could be negative, or if using (deprecated) name search, a string
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* @returns {number | null} If a number is returned, the connection will be made to that input index.
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* If an invalid index or non-number (false, null, NaN etc) is returned, the connection will be cancelled.
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*/
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onBeforeConnectInput?(this: LGraphNode, target_slot: number, requested_slot?: number | string): number | false | null
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onShowCustomPanelInfo?(this: LGraphNode, panel: any): void
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onAddPropertyToPanel?(this: LGraphNode, pName: string, panel: any): boolean
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onWidgetChanged?(this: LGraphNode, name: string, value: unknown, old_value: unknown, w: IWidget): void
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onDeselected?(this: LGraphNode): void
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onKeyUp?(this: LGraphNode, e: KeyboardEvent): void
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onKeyDown?(this: LGraphNode, e: KeyboardEvent): void
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onSelected?(this: LGraphNode): void
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getExtraMenuOptions?(this: LGraphNode, canvas: LGraphCanvas, options: IContextMenuValue[]): IContextMenuValue[]
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getMenuOptions?(this: LGraphNode, canvas: LGraphCanvas): IContextMenuValue[]
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onAdded?(this: LGraphNode, graph: LGraph): void
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onDrawCollapsed?(this: LGraphNode, ctx: CanvasRenderingContext2D, cavnas: LGraphCanvas): boolean
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onDrawForeground?(this: LGraphNode, ctx: CanvasRenderingContext2D, canvas: LGraphCanvas, canvasElement: HTMLCanvasElement): void
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onMouseLeave?(this: LGraphNode, e: CanvasMouseEvent): void
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getSlotMenuOptions?(this: LGraphNode, slot: IFoundSlot): IContextMenuValue[]
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// FIXME: Re-typing
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onDropItem?(this: LGraphNode, event: Event): boolean
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onDropData?(this: LGraphNode, data: string | ArrayBuffer, filename: any, file: any): void
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onDropFile?(this: LGraphNode, file: any): void
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onInputClick?(this: LGraphNode, index: number, e: CanvasMouseEvent): void
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onInputDblClick?(this: LGraphNode, index: number, e: CanvasMouseEvent): void
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onOutputClick?(this: LGraphNode, index: number, e: CanvasMouseEvent): void
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onOutputDblClick?(this: LGraphNode, index: number, e: CanvasMouseEvent): void
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// TODO: Return type
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onGetPropertyInfo?(this: LGraphNode, property: string): any
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onNodeOutputAdd?(this: LGraphNode, value): void
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onNodeInputAdd?(this: LGraphNode, value): void
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onMenuNodeInputs?(this: LGraphNode, entries: IOptionalSlotData<INodeInputSlot>[]): IOptionalSlotData<INodeInputSlot>[]
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onMenuNodeOutputs?(this: LGraphNode, entries: IOptionalSlotData<INodeOutputSlot>[]): IOptionalSlotData<INodeOutputSlot>[]
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onGetInputs?(this: LGraphNode): INodeInputSlot[]
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onGetOutputs?(this: LGraphNode): INodeOutputSlot[]
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onMouseUp?(this: LGraphNode, e: CanvasMouseEvent, pos: Point): void
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onMouseEnter?(this: LGraphNode, e: CanvasMouseEvent): void
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onMouseDown?(this: LGraphNode, e: CanvasMouseEvent, pos: Point, canvas: LGraphCanvas): boolean
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onDblClick?(this: LGraphNode, e: CanvasMouseEvent, pos: Point, canvas: LGraphCanvas): void
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onNodeTitleDblClick?(this: LGraphNode, e: CanvasMouseEvent, pos: Point, canvas: LGraphCanvas): void
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onDrawTitle?(this: LGraphNode, ctx: CanvasRenderingContext2D): void
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onDrawTitleText?(this: LGraphNode, ctx: CanvasRenderingContext2D, title_height: number, size: Size, scale: number, title_text_font: string, selected: boolean): void
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onDrawTitleBox?(this: LGraphNode, ctx: CanvasRenderingContext2D, title_height: number, size: Size, scale: number): void
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onDrawTitleBar?(this: LGraphNode, ctx: CanvasRenderingContext2D, title_height: number, size: Size, scale: number, fgcolor: any): void
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onRemoved?(this: LGraphNode): void
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onMouseMove?(this: LGraphNode, e: MouseEvent, pos: Point, arg2: LGraphCanvas): void
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onPropertyChange?(this: LGraphNode): void
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updateOutputData?(this: LGraphNode, origin_slot: number): void
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isValidWidgetLink?(slot_index: number, node: LGraphNode, overWidget: IWidget): boolean | undefined
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constructor(title: string) {
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this._ctor(title)
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}
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_ctor(title: string): void {
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this.title = title || "Unnamed"
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this.size = [LiteGraph.NODE_WIDTH, 60]
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this.graph = null
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// Initialize _pos with a Float32Array of length 2, default value [10, 10]
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this._pos = new Float32Array([10, 10])
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this.id = LiteGraph.use_uuids ? LiteGraph.uuidv4() : -1
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this.type = null
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//inputs available: array of inputs
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this.inputs = []
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this.outputs = []
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this.connections = []
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this.badges = []
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this.badgePosition = BadgePosition.TopLeft
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//local data
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this.properties = {} //for the values
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this.properties_info = [] //for the info
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this.flags = {}
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}
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/**
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* configure a node from an object containing the serialized info
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*/
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configure(info: ISerialisedNode): void {
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if (this.graph) {
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this.graph._version++
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}
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for (const j in info) {
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if (j == "properties") {
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//i don't want to clone properties, I want to reuse the old container
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for (const k in info.properties) {
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this.properties[k] = info.properties[k]
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this.onPropertyChanged?.(k, info.properties[k])
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}
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continue
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}
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if (info[j] == null) {
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continue
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} else if (typeof info[j] == "object") {
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//object
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if (this[j]?.configure) {
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this[j]?.configure(info[j])
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} else {
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this[j] = LiteGraph.cloneObject(info[j], this[j])
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}
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} //value
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else {
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this[j] = info[j]
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}
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}
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if (!info.title) {
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this.title = this.constructor.title
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}
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if (this.inputs) {
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for (let i = 0; i < this.inputs.length; ++i) {
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const input = this.inputs[i]
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const link = this.graph ? this.graph.links[input.link] : null
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this.onConnectionsChange?.(NodeSlotType.INPUT, i, true, link, input)
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this.onInputAdded?.(input)
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}
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}
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if (this.outputs) {
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for (let i = 0; i < this.outputs.length; ++i) {
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const output = this.outputs[i]
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if (!output.links) {
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continue
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}
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for (let j = 0; j < output.links.length; ++j) {
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const link = this.graph ? this.graph.links[output.links[j]] : null
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this.onConnectionsChange?.(NodeSlotType.OUTPUT, i, true, link, output)
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}
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this.onOutputAdded?.(output)
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}
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}
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if (this.widgets) {
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for (let i = 0; i < this.widgets.length; ++i) {
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const w = this.widgets[i]
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if (!w)
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continue
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if (w.options?.property && (this.properties[w.options.property] != undefined))
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w.value = JSON.parse(JSON.stringify(this.properties[w.options.property]))
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}
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if (info.widgets_values) {
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for (let i = 0; i < info.widgets_values.length; ++i) {
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if (this.widgets[i]) {
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this.widgets[i].value = info.widgets_values[i]
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}
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}
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}
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}
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// Sync the state of this.resizable.
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if (this.pinned) this.pin(true)
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this.onConfigure?.(info)
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}
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/**
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* serialize the content
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*/
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serialize(): ISerialisedNode {
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//create serialization object
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const o: ISerialisedNode = {
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id: this.id,
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type: this.type,
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pos: this.pos,
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size: this.size,
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flags: LiteGraph.cloneObject(this.flags),
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order: this.order,
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mode: this.mode
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}
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//special case for when there were errors
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if (this.constructor === LGraphNode && this.last_serialization)
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return this.last_serialization
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if (this.inputs) o.inputs = this.inputs
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if (this.outputs) {
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//clear outputs last data (because data in connections is never serialized but stored inside the outputs info)
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for (let i = 0; i < this.outputs.length; i++) {
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delete this.outputs[i]._data
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}
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o.outputs = this.outputs
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}
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if (this.title && this.title != this.constructor.title) o.title = this.title
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if (this.properties) o.properties = LiteGraph.cloneObject(this.properties)
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if (this.widgets && this.serialize_widgets) {
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o.widgets_values = []
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for (let i = 0; i < this.widgets.length; ++i) {
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if (this.widgets[i])
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o.widgets_values[i] = this.widgets[i].value
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else
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o.widgets_values[i] = null
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}
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}
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if (!o.type) o.type = this.constructor.type
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if (this.color) o.color = this.color
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if (this.bgcolor) o.bgcolor = this.bgcolor
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if (this.boxcolor) o.boxcolor = this.boxcolor
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if (this.shape) o.shape = this.shape
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if (this.onSerialize?.(o)) console.warn("node onSerialize shouldnt return anything, data should be stored in the object pass in the first parameter")
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return o
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}
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/* Creates a clone of this node */
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clone(): LGraphNode {
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const node = LiteGraph.createNode(this.type)
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if (!node) return null
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//we clone it because serialize returns shared containers
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const data = LiteGraph.cloneObject(this.serialize())
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//remove links
|
|
if (data.inputs) {
|
|
for (let i = 0; i < data.inputs.length; ++i) {
|
|
data.inputs[i].link = null
|
|
}
|
|
}
|
|
|
|
if (data.outputs) {
|
|
for (let i = 0; i < data.outputs.length; ++i) {
|
|
if (data.outputs[i].links) {
|
|
data.outputs[i].links.length = 0
|
|
}
|
|
}
|
|
}
|
|
|
|
delete data.id
|
|
|
|
if (LiteGraph.use_uuids) data.id = LiteGraph.uuidv4()
|
|
|
|
//remove links
|
|
node.configure(data)
|
|
|
|
return node
|
|
}
|
|
|
|
/**
|
|
* serialize and stringify
|
|
*/
|
|
toString(): string {
|
|
return JSON.stringify(this.serialize())
|
|
}
|
|
|
|
/**
|
|
* get the title string
|
|
*/
|
|
getTitle(): string {
|
|
return this.title || this.constructor.title
|
|
}
|
|
|
|
/**
|
|
* sets the value of a property
|
|
* @param {String} name
|
|
* @param {*} value
|
|
*/
|
|
setProperty(name: string, value: TWidgetValue): void {
|
|
this.properties ||= {}
|
|
if (value === this.properties[name])
|
|
return
|
|
|
|
const prev_value = this.properties[name]
|
|
this.properties[name] = value
|
|
//abort change
|
|
if (this.onPropertyChanged?.(name, value, prev_value) === false)
|
|
this.properties[name] = prev_value
|
|
|
|
if (this.widgets) //widgets could be linked to properties
|
|
for (let i = 0; i < this.widgets.length; ++i) {
|
|
const w = this.widgets[i]
|
|
if (!w)
|
|
continue
|
|
if (w.options.property == name) {
|
|
w.value = value
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* sets the output data
|
|
* @param {number} slot
|
|
* @param {*} data
|
|
*/
|
|
setOutputData(slot: number, data: unknown): void {
|
|
if (!this.outputs) return
|
|
|
|
//this maybe slow and a niche case
|
|
//if(slot && slot.constructor === String)
|
|
// slot = this.findOutputSlot(slot);
|
|
if (slot == -1 || slot >= this.outputs.length) return
|
|
|
|
const output_info = this.outputs[slot]
|
|
if (!output_info) return
|
|
|
|
//store data in the output itself in case we want to debug
|
|
output_info._data = data
|
|
|
|
//if there are connections, pass the data to the connections
|
|
if (this.outputs[slot].links) {
|
|
for (let i = 0; i < this.outputs[slot].links.length; i++) {
|
|
const link_id = this.outputs[slot].links[i]
|
|
const link = this.graph.links[link_id]
|
|
if (link)
|
|
link.data = data
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* sets the output data type, useful when you want to be able to overwrite the data type
|
|
* @param {number} slot
|
|
* @param {String} datatype
|
|
*/
|
|
setOutputDataType(slot: number, type: ISlotType): void {
|
|
if (!this.outputs) return
|
|
if (slot == -1 || slot >= this.outputs.length) return
|
|
const output_info = this.outputs[slot]
|
|
if (!output_info) return
|
|
//store data in the output itself in case we want to debug
|
|
output_info.type = type
|
|
|
|
//if there are connections, pass the data to the connections
|
|
if (this.outputs[slot].links) {
|
|
for (let i = 0; i < this.outputs[slot].links.length; i++) {
|
|
const link_id = this.outputs[slot].links[i]
|
|
this.graph.links[link_id].type = type
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieves the input data (data traveling through the connection) from one slot
|
|
* @param {number} slot
|
|
* @param {boolean} force_update if set to true it will force the connected node of this slot to output data into this link
|
|
* @return {*} data or if it is not connected returns undefined
|
|
*/
|
|
getInputData(slot: number, force_update?: boolean): unknown {
|
|
if (!this.inputs) return
|
|
|
|
if (slot >= this.inputs.length || this.inputs[slot].link == null) return
|
|
|
|
const link_id = this.inputs[slot].link
|
|
const link: LLink = this.graph.links[link_id]
|
|
//bug: weird case but it happens sometimes
|
|
if (!link) return null
|
|
|
|
if (!force_update) return link.data
|
|
|
|
//special case: used to extract data from the incoming connection before the graph has been executed
|
|
const node = this.graph.getNodeById(link.origin_id)
|
|
if (!node) return link.data
|
|
|
|
if (node.updateOutputData) {
|
|
node.updateOutputData(link.origin_slot)
|
|
} else {
|
|
node.onExecute?.()
|
|
}
|
|
|
|
return link.data
|
|
}
|
|
|
|
/**
|
|
* Retrieves the input data type (in case this supports multiple input types)
|
|
* @param {number} slot
|
|
* @return {String} datatype in string format
|
|
*/
|
|
getInputDataType(slot: number): ISlotType {
|
|
if (!this.inputs) return null
|
|
|
|
if (slot >= this.inputs.length || this.inputs[slot].link == null) return null
|
|
const link_id = this.inputs[slot].link
|
|
const link = this.graph.links[link_id]
|
|
//bug: weird case but it happens sometimes
|
|
if (!link) return null
|
|
|
|
const node = this.graph.getNodeById(link.origin_id)
|
|
if (!node) return link.type
|
|
|
|
const output_info = node.outputs[link.origin_slot]
|
|
return output_info
|
|
? output_info.type
|
|
: null
|
|
}
|
|
|
|
/**
|
|
* Retrieves the input data from one slot using its name instead of slot number
|
|
* @param {String} slot_name
|
|
* @param {boolean} force_update if set to true it will force the connected node of this slot to output data into this link
|
|
* @return {*} data or if it is not connected returns null
|
|
*/
|
|
getInputDataByName(slot_name: string, force_update: boolean): unknown {
|
|
const slot = this.findInputSlot(slot_name)
|
|
return slot == -1
|
|
? null
|
|
: this.getInputData(slot, force_update)
|
|
}
|
|
|
|
/**
|
|
* tells you if there is a connection in one input slot
|
|
* @param {number} slot
|
|
* @return {boolean}
|
|
*/
|
|
isInputConnected(slot: number): boolean {
|
|
if (!this.inputs) return false
|
|
return slot < this.inputs.length && this.inputs[slot].link != null
|
|
}
|
|
|
|
/**
|
|
* tells you info about an input connection (which node, type, etc)
|
|
* @param {number} slot
|
|
* @return {Object} object or null { link: id, name: string, type: string or 0 }
|
|
*/
|
|
getInputInfo(slot: number): INodeInputSlot {
|
|
return !this.inputs || !(slot < this.inputs.length)
|
|
? null
|
|
: this.inputs[slot]
|
|
}
|
|
|
|
/**
|
|
* Returns the link info in the connection of an input slot
|
|
* @param {number} slot
|
|
* @return {LLink} object or null
|
|
*/
|
|
getInputLink(slot: number): LLink | null {
|
|
if (!this.inputs) return null
|
|
if (slot < this.inputs.length) {
|
|
const slot_info = this.inputs[slot]
|
|
return this.graph.links[slot_info.link]
|
|
}
|
|
return null
|
|
}
|
|
|
|
/**
|
|
* returns the node connected in the input slot
|
|
* @param {number} slot
|
|
* @return {LGraphNode} node or null
|
|
*/
|
|
getInputNode(slot: number): LGraphNode {
|
|
if (!this.inputs) return null
|
|
if (slot >= this.inputs.length) return null
|
|
|
|
const input = this.inputs[slot]
|
|
if (!input || input.link === null) return null
|
|
|
|
const link_info = this.graph.links[input.link]
|
|
if (!link_info) return null
|
|
|
|
return this.graph.getNodeById(link_info.origin_id)
|
|
}
|
|
|
|
/**
|
|
* returns the value of an input with this name, otherwise checks if there is a property with that name
|
|
* @param {string} name
|
|
* @return {*} value
|
|
*/
|
|
getInputOrProperty(name: string): unknown {
|
|
if (!this.inputs || !this.inputs.length) {
|
|
return this.properties ? this.properties[name] : null
|
|
}
|
|
|
|
for (let i = 0, l = this.inputs.length; i < l; ++i) {
|
|
const input_info = this.inputs[i]
|
|
if (name == input_info.name && input_info.link != null) {
|
|
const link = this.graph.links[input_info.link]
|
|
if (link) return link.data
|
|
}
|
|
}
|
|
return this.properties[name]
|
|
}
|
|
|
|
/**
|
|
* tells you the last output data that went in that slot
|
|
* @param {number} slot
|
|
* @return {Object} object or null
|
|
*/
|
|
getOutputData(slot: number): unknown {
|
|
if (!this.outputs) return null
|
|
if (slot >= this.outputs.length) return null
|
|
|
|
const info = this.outputs[slot]
|
|
return info._data
|
|
}
|
|
|
|
/**
|
|
* tells you info about an output connection (which node, type, etc)
|
|
* @param {number} slot
|
|
* @return {Object} object or null { name: string, type: string, links: [ ids of links in number ] }
|
|
*/
|
|
getOutputInfo(slot: number): INodeOutputSlot {
|
|
return !this.outputs || !(slot < this.outputs.length)
|
|
? null
|
|
: this.outputs[slot]
|
|
}
|
|
|
|
/**
|
|
* tells you if there is a connection in one output slot
|
|
* @param {number} slot
|
|
* @return {boolean}
|
|
*/
|
|
isOutputConnected(slot: number): boolean {
|
|
if (!this.outputs) return false
|
|
return slot < this.outputs.length && this.outputs[slot].links?.length > 0
|
|
}
|
|
|
|
/**
|
|
* tells you if there is any connection in the output slots
|
|
* @return {boolean}
|
|
*/
|
|
isAnyOutputConnected(): boolean {
|
|
if (!this.outputs) return false
|
|
|
|
for (let i = 0; i < this.outputs.length; ++i) {
|
|
if (this.outputs[i].links && this.outputs[i].links.length) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
/**
|
|
* retrieves all the nodes connected to this output slot
|
|
* @param {number} slot
|
|
* @return {array}
|
|
*/
|
|
getOutputNodes(slot: number): LGraphNode[] {
|
|
if (!this.outputs || this.outputs.length == 0) return null
|
|
|
|
if (slot >= this.outputs.length) return null
|
|
|
|
const output = this.outputs[slot]
|
|
if (!output.links || output.links.length == 0) return null
|
|
|
|
const r: LGraphNode[] = []
|
|
for (let i = 0; i < output.links.length; i++) {
|
|
const link_id = output.links[i]
|
|
const link = this.graph.links[link_id]
|
|
if (link) {
|
|
const target_node = this.graph.getNodeById(link.target_id)
|
|
if (target_node) {
|
|
r.push(target_node)
|
|
}
|
|
}
|
|
}
|
|
return r
|
|
}
|
|
|
|
addOnTriggerInput(): number {
|
|
const trigS = this.findInputSlot("onTrigger")
|
|
if (trigS == -1) { //!trigS ||
|
|
const input = this.addInput("onTrigger", LiteGraph.EVENT, { optional: true, nameLocked: true })
|
|
return this.findInputSlot("onTrigger")
|
|
}
|
|
return trigS
|
|
}
|
|
|
|
addOnExecutedOutput(): number {
|
|
const trigS = this.findOutputSlot("onExecuted")
|
|
if (trigS == -1) { //!trigS ||
|
|
const output = this.addOutput("onExecuted", LiteGraph.ACTION, { optional: true, nameLocked: true })
|
|
return this.findOutputSlot("onExecuted")
|
|
}
|
|
return trigS
|
|
}
|
|
|
|
onAfterExecuteNode(param: unknown, options?: { action_call?: any }) {
|
|
const trigS = this.findOutputSlot("onExecuted")
|
|
if (trigS != -1) {
|
|
|
|
//console.debug(this.id+":"+this.order+" triggering slot onAfterExecute");
|
|
//console.debug(param);
|
|
//console.debug(options);
|
|
this.triggerSlot(trigS, param, null, options)
|
|
|
|
}
|
|
}
|
|
|
|
changeMode(modeTo: number): boolean {
|
|
switch (modeTo) {
|
|
case LGraphEventMode.ON_EVENT:
|
|
// this.addOnExecutedOutput();
|
|
break
|
|
|
|
case LGraphEventMode.ON_TRIGGER:
|
|
this.addOnTriggerInput()
|
|
this.addOnExecutedOutput()
|
|
break
|
|
|
|
case LGraphEventMode.NEVER:
|
|
break
|
|
|
|
case LGraphEventMode.ALWAYS:
|
|
break
|
|
|
|
// @ts-expect-error Not impl.
|
|
case LiteGraph.ON_REQUEST:
|
|
break
|
|
|
|
default:
|
|
return false
|
|
break
|
|
}
|
|
this.mode = modeTo
|
|
return true
|
|
}
|
|
|
|
/**
|
|
* Triggers the node code execution, place a boolean/counter to mark the node as being executed
|
|
* @param {*} param
|
|
* @param {*} options
|
|
*/
|
|
doExecute(param?: unknown, options?: { action_call?: any }): void {
|
|
options = options || {}
|
|
if (this.onExecute) {
|
|
|
|
// enable this to give the event an ID
|
|
options.action_call ||= this.id + "_exec_" + Math.floor(Math.random() * 9999)
|
|
|
|
this.graph.nodes_executing[this.id] = true //.push(this.id);
|
|
this.onExecute(param, options)
|
|
this.graph.nodes_executing[this.id] = false //.pop();
|
|
|
|
// save execution/action ref
|
|
this.exec_version = this.graph.iteration
|
|
if (options?.action_call) {
|
|
this.action_call = options.action_call // if (param)
|
|
this.graph.nodes_executedAction[this.id] = options.action_call
|
|
}
|
|
}
|
|
this.execute_triggered = 2 // the nFrames it will be used (-- each step), means "how old" is the event
|
|
this.onAfterExecuteNode?.(param, options) // callback
|
|
}
|
|
|
|
/**
|
|
* Triggers an action, wrapped by logics to control execution flow
|
|
* @param {String} action name
|
|
* @param {*} param
|
|
*/
|
|
actionDo(action: string, param: unknown, options: { action_call?: string }): void {
|
|
options = options || {}
|
|
if (this.onAction) {
|
|
|
|
// enable this to give the event an ID
|
|
options.action_call ||= this.id + "_" + (action ? action : "action") + "_" + Math.floor(Math.random() * 9999)
|
|
|
|
this.graph.nodes_actioning[this.id] = (action ? action : "actioning") //.push(this.id);
|
|
this.onAction(action, param, options)
|
|
this.graph.nodes_actioning[this.id] = false //.pop();
|
|
|
|
// save execution/action ref
|
|
if (options?.action_call) {
|
|
this.action_call = options.action_call // if (param)
|
|
this.graph.nodes_executedAction[this.id] = options.action_call
|
|
}
|
|
}
|
|
this.action_triggered = 2 // the nFrames it will be used (-- each step), means "how old" is the event
|
|
this.onAfterExecuteNode?.(param, options)
|
|
}
|
|
|
|
/**
|
|
* Triggers an event in this node, this will trigger any output with the same name
|
|
* @param {String} event name ( "on_play", ... ) if action is equivalent to false then the event is send to all
|
|
* @param {*} param
|
|
*/
|
|
trigger(action: string, param: unknown, options: { action_call?: any }): void {
|
|
if (!this.outputs || !this.outputs.length) {
|
|
return
|
|
}
|
|
|
|
if (this.graph)
|
|
this.graph._last_trigger_time = LiteGraph.getTime()
|
|
|
|
for (let i = 0; i < this.outputs.length; ++i) {
|
|
const output = this.outputs[i]
|
|
if (!output || output.type !== LiteGraph.EVENT || (action && output.name != action))
|
|
continue
|
|
this.triggerSlot(i, param, null, options)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Triggers a slot event in this node: cycle output slots and launch execute/action on connected nodes
|
|
* @param {Number} slot the index of the output slot
|
|
* @param {*} param
|
|
* @param {Number} link_id [optional] in case you want to trigger and specific output link in a slot
|
|
*/
|
|
triggerSlot(slot: number, param: unknown, link_id: number, options: { action_call?: any }): void {
|
|
options = options || {}
|
|
if (!this.outputs) return
|
|
|
|
if (slot == null) {
|
|
console.error("slot must be a number")
|
|
return
|
|
}
|
|
|
|
if (typeof slot !== "number")
|
|
console.warn("slot must be a number, use node.trigger('name') if you want to use a string")
|
|
|
|
const output = this.outputs[slot]
|
|
if (!output) return
|
|
|
|
const links = output.links
|
|
if (!links || !links.length) return
|
|
|
|
if (this.graph)
|
|
this.graph._last_trigger_time = LiteGraph.getTime()
|
|
|
|
//for every link attached here
|
|
for (let k = 0; k < links.length; ++k) {
|
|
const id = links[k]
|
|
//to skip links
|
|
if (link_id != null && link_id != id) continue
|
|
|
|
const link_info = this.graph.links[links[k]]
|
|
//not connected
|
|
if (!link_info) continue
|
|
|
|
link_info._last_time = LiteGraph.getTime()
|
|
const node = this.graph.getNodeById(link_info.target_id)
|
|
//node not found?
|
|
if (!node) continue
|
|
|
|
if (node.mode === LGraphEventMode.ON_TRIGGER) {
|
|
// generate unique trigger ID if not present
|
|
if (!options.action_call) options.action_call = this.id + "_trigg_" + Math.floor(Math.random() * 9999)
|
|
// -- wrapping node.onExecute(param); --
|
|
node.doExecute?.(param, options)
|
|
}
|
|
else if (node.onAction) {
|
|
// generate unique action ID if not present
|
|
if (!options.action_call) options.action_call = this.id + "_act_" + Math.floor(Math.random() * 9999)
|
|
//pass the action name
|
|
const target_connection = node.inputs[link_info.target_slot]
|
|
// wrap node.onAction(target_connection.name, param);
|
|
node.actionDo(target_connection.name, param, options)
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* clears the trigger slot animation
|
|
* @param {Number} slot the index of the output slot
|
|
* @param {Number} link_id [optional] in case you want to trigger and specific output link in a slot
|
|
*/
|
|
clearTriggeredSlot(slot: number, link_id: number): void {
|
|
if (!this.outputs) return
|
|
|
|
const output = this.outputs[slot]
|
|
if (!output) return
|
|
|
|
const links = output.links
|
|
if (!links || !links.length) return
|
|
|
|
//for every link attached here
|
|
for (let k = 0; k < links.length; ++k) {
|
|
const id = links[k]
|
|
//to skip links
|
|
if (link_id != null && link_id != id) continue
|
|
|
|
const link_info = this.graph.links[links[k]]
|
|
//not connected
|
|
if (!link_info) continue
|
|
|
|
link_info._last_time = 0
|
|
}
|
|
}
|
|
|
|
/**
|
|
* changes node size and triggers callback
|
|
* @param {vec2} size
|
|
*/
|
|
setSize(size: Size): void {
|
|
this.size = size
|
|
this.onResize?.(this.size)
|
|
}
|
|
|
|
/**
|
|
* add a new property to this node
|
|
* @param {string} name
|
|
* @param {*} default_value
|
|
* @param {string} type string defining the output type ("vec3","number",...)
|
|
* @param {Object} extra_info this can be used to have special properties of the property (like values, etc)
|
|
*/
|
|
addProperty(name: string,
|
|
default_value: unknown,
|
|
type?: string,
|
|
extra_info?: Dictionary<unknown>): INodePropertyInfo {
|
|
const o: INodePropertyInfo = { name: name, type: type, default_value: default_value }
|
|
if (extra_info) {
|
|
for (const i in extra_info) {
|
|
o[i] = extra_info[i]
|
|
}
|
|
}
|
|
this.properties_info ||= []
|
|
this.properties_info.push(o)
|
|
this.properties ||= {}
|
|
this.properties[name] = default_value
|
|
return o
|
|
}
|
|
|
|
/**
|
|
* add a new output slot to use in this node
|
|
* @param {string} name
|
|
* @param {string} type string defining the output type ("vec3","number",...)
|
|
* @param {Object} extra_info this can be used to have special properties of an output (label, special color, position, etc)
|
|
*/
|
|
addOutput(name?: string, type?: ISlotType, extra_info?: object): INodeOutputSlot {
|
|
const output = { name: name, type: type, links: null }
|
|
if (extra_info) {
|
|
for (const i in extra_info) {
|
|
output[i] = extra_info[i]
|
|
}
|
|
}
|
|
|
|
this.outputs ||= []
|
|
this.outputs.push(output)
|
|
this.onOutputAdded?.(output)
|
|
|
|
if (LiteGraph.auto_load_slot_types) LiteGraph.registerNodeAndSlotType(this, type, true)
|
|
|
|
this.setSize(this.computeSize())
|
|
this.setDirtyCanvas(true, true)
|
|
return output
|
|
}
|
|
|
|
/**
|
|
* add a new output slot to use in this node
|
|
* @param {Array} array of triplets like [[name,type,extra_info],[...]]
|
|
*/
|
|
addOutputs(array: [string, ISlotType, Record<string, unknown>][]): void {
|
|
for (let i = 0; i < array.length; ++i) {
|
|
const info = array[i]
|
|
const o = { name: info[0], type: info[1], links: null }
|
|
if (array[2]) {
|
|
for (const j in info[2]) {
|
|
o[j] = info[2][j]
|
|
}
|
|
}
|
|
|
|
this.outputs ||= []
|
|
this.outputs.push(o)
|
|
this.onOutputAdded?.(o)
|
|
|
|
if (LiteGraph.auto_load_slot_types) LiteGraph.registerNodeAndSlotType(this, info[1], true)
|
|
|
|
}
|
|
|
|
this.setSize(this.computeSize())
|
|
this.setDirtyCanvas(true, true)
|
|
}
|
|
|
|
/**
|
|
* remove an existing output slot
|
|
* @param {number} slot
|
|
*/
|
|
removeOutput(slot: number): void {
|
|
this.disconnectOutput(slot)
|
|
this.outputs.splice(slot, 1)
|
|
for (let i = slot; i < this.outputs.length; ++i) {
|
|
if (!this.outputs[i] || !this.outputs[i].links)
|
|
continue
|
|
const links = this.outputs[i].links
|
|
for (let j = 0; j < links.length; ++j) {
|
|
const link = this.graph.links[links[j]]
|
|
if (!link) continue
|
|
|
|
link.origin_slot -= 1
|
|
}
|
|
}
|
|
|
|
this.setSize(this.computeSize())
|
|
this.onOutputRemoved?.(slot)
|
|
this.setDirtyCanvas(true, true)
|
|
}
|
|
|
|
/**
|
|
* add a new input slot to use in this node
|
|
* @param {string} name
|
|
* @param {string} type string defining the input type ("vec3","number",...), it its a generic one use 0
|
|
* @param {Object} extra_info this can be used to have special properties of an input (label, color, position, etc)
|
|
*/
|
|
addInput(name: string, type: ISlotType, extra_info?: object): INodeInputSlot {
|
|
type = type || 0
|
|
const input: INodeInputSlot = { name: name, type: type, link: null }
|
|
if (extra_info) {
|
|
for (const i in extra_info) {
|
|
input[i] = extra_info[i]
|
|
}
|
|
}
|
|
|
|
this.inputs ||= []
|
|
this.inputs.push(input)
|
|
this.setSize(this.computeSize())
|
|
|
|
this.onInputAdded?.(input)
|
|
LiteGraph.registerNodeAndSlotType(this, type)
|
|
|
|
this.setDirtyCanvas(true, true)
|
|
return input
|
|
}
|
|
|
|
/**
|
|
* add several new input slots in this node
|
|
* @param {Array} array of triplets like [[name,type,extra_info],[...]]
|
|
*/
|
|
addInputs(array: [string, ISlotType, Record<string, unknown>][]): void {
|
|
for (let i = 0; i < array.length; ++i) {
|
|
const info = array[i]
|
|
const o: INodeInputSlot = { name: info[0], type: info[1], link: null }
|
|
// TODO: Checking the wrong variable here - confirm no downstream consumers, then remove.
|
|
if (array[2]) {
|
|
for (const j in info[2]) {
|
|
o[j] = info[2][j]
|
|
}
|
|
}
|
|
|
|
this.inputs ||= []
|
|
this.inputs.push(o)
|
|
this.onInputAdded?.(o)
|
|
|
|
LiteGraph.registerNodeAndSlotType(this, info[1])
|
|
}
|
|
|
|
this.setSize(this.computeSize())
|
|
this.setDirtyCanvas(true, true)
|
|
}
|
|
|
|
/**
|
|
* remove an existing input slot
|
|
* @param {number} slot
|
|
*/
|
|
removeInput(slot: number): void {
|
|
this.disconnectInput(slot)
|
|
const slot_info = this.inputs.splice(slot, 1)
|
|
for (let i = slot; i < this.inputs.length; ++i) {
|
|
if (!this.inputs[i]) continue
|
|
|
|
const link = this.graph.links[this.inputs[i].link]
|
|
if (!link) continue
|
|
|
|
link.target_slot -= 1
|
|
}
|
|
this.setSize(this.computeSize())
|
|
this.onInputRemoved?.(slot, slot_info[0])
|
|
this.setDirtyCanvas(true, true)
|
|
}
|
|
|
|
/**
|
|
* add an special connection to this node (used for special kinds of graphs)
|
|
* @param {string} name
|
|
* @param {string} type string defining the input type ("vec3","number",...)
|
|
* @param {[x,y]} pos position of the connection inside the node
|
|
* @param {string} direction if is input or output
|
|
*/
|
|
addConnection(name: string, type: string, pos: Point, direction: string) {
|
|
const o = {
|
|
name: name,
|
|
type: type,
|
|
pos: pos,
|
|
direction: direction,
|
|
links: null
|
|
}
|
|
this.connections.push(o)
|
|
return o
|
|
}
|
|
|
|
/**
|
|
* computes the minimum size of a node according to its inputs and output slots
|
|
* @param out
|
|
* @return the total size
|
|
*/
|
|
computeSize(out?: Size): Size {
|
|
const ctorSize = this.constructor.size
|
|
if (ctorSize) return [ctorSize[0], ctorSize[1]]
|
|
|
|
let rows = Math.max(
|
|
this.inputs ? this.inputs.length : 1,
|
|
this.outputs ? this.outputs.length : 1
|
|
)
|
|
const size = out || new Float32Array([0, 0])
|
|
rows = Math.max(rows, 1)
|
|
const font_size = LiteGraph.NODE_TEXT_SIZE //although it should be graphcanvas.inner_text_font size
|
|
|
|
const title_width = compute_text_size(this.title)
|
|
let input_width = 0
|
|
let output_width = 0
|
|
|
|
if (this.inputs) {
|
|
for (let i = 0, l = this.inputs.length; i < l; ++i) {
|
|
const input = this.inputs[i]
|
|
const text = input.label || input.name || ""
|
|
const text_width = compute_text_size(text)
|
|
if (input_width < text_width)
|
|
input_width = text_width
|
|
}
|
|
}
|
|
|
|
if (this.outputs) {
|
|
for (let i = 0, l = this.outputs.length; i < l; ++i) {
|
|
const output = this.outputs[i]
|
|
const text = output.label || output.name || ""
|
|
const text_width = compute_text_size(text)
|
|
if (output_width < text_width)
|
|
output_width = text_width
|
|
}
|
|
}
|
|
|
|
size[0] = Math.max(input_width + output_width + 10, title_width)
|
|
size[0] = Math.max(size[0], LiteGraph.NODE_WIDTH)
|
|
if (this.widgets?.length)
|
|
size[0] = Math.max(size[0], LiteGraph.NODE_WIDTH * 1.5)
|
|
|
|
size[1] = (this.constructor.slot_start_y || 0) + rows * LiteGraph.NODE_SLOT_HEIGHT
|
|
|
|
let widgets_height = 0
|
|
if (this.widgets?.length) {
|
|
for (let i = 0, l = this.widgets.length; i < l; ++i) {
|
|
const widget = this.widgets[i]
|
|
|
|
widgets_height += widget.computeSize
|
|
? widget.computeSize(size[0])[1] + 4
|
|
: LiteGraph.NODE_WIDGET_HEIGHT + 4
|
|
}
|
|
widgets_height += 8
|
|
}
|
|
|
|
//compute height using widgets height
|
|
if (this.widgets_up)
|
|
size[1] = Math.max(size[1], widgets_height)
|
|
else if (this.widgets_start_y != null)
|
|
size[1] = Math.max(size[1], widgets_height + this.widgets_start_y)
|
|
else
|
|
size[1] += widgets_height
|
|
|
|
function compute_text_size(text: string) {
|
|
return text
|
|
? font_size * text.length * 0.6
|
|
: 0
|
|
}
|
|
|
|
if (this.constructor.min_height && size[1] < this.constructor.min_height) {
|
|
size[1] = this.constructor.min_height
|
|
}
|
|
|
|
//margin
|
|
size[1] += 6
|
|
|
|
return size
|
|
}
|
|
|
|
inResizeCorner(canvasX: number, canvasY: number): boolean {
|
|
const rows = this.outputs ? this.outputs.length : 1
|
|
const outputs_offset = (this.constructor.slot_start_y || 0) + rows * LiteGraph.NODE_SLOT_HEIGHT
|
|
return isInsideRectangle(canvasX,
|
|
canvasY,
|
|
this.pos[0] + this.size[0] - 15,
|
|
this.pos[1] + Math.max(this.size[1] - 15, outputs_offset),
|
|
20,
|
|
20
|
|
)
|
|
}
|
|
|
|
/**
|
|
* returns all the info available about a property of this node.
|
|
*
|
|
* @param {String} property name of the property
|
|
* @return {Object} the object with all the available info
|
|
*/
|
|
getPropertyInfo(property: string) {
|
|
let info = null
|
|
|
|
//there are several ways to define info about a property
|
|
//legacy mode
|
|
if (this.properties_info) {
|
|
for (let i = 0; i < this.properties_info.length; ++i) {
|
|
if (this.properties_info[i].name == property) {
|
|
info = this.properties_info[i]
|
|
break
|
|
}
|
|
}
|
|
}
|
|
//litescene mode using the constructor
|
|
if (this.constructor["@" + property])
|
|
info = this.constructor["@" + property]
|
|
|
|
if (this.constructor.widgets_info?.[property])
|
|
info = this.constructor.widgets_info[property]
|
|
|
|
//litescene mode using the constructor
|
|
if (!info && this.onGetPropertyInfo) {
|
|
info = this.onGetPropertyInfo(property)
|
|
}
|
|
|
|
info ||= {}
|
|
info.type ||= typeof this.properties[property]
|
|
if (info.widget == "combo")
|
|
info.type = "enum"
|
|
|
|
return info
|
|
}
|
|
|
|
/**
|
|
* Defines a widget inside the node, it will be rendered on top of the node, you can control lots of properties
|
|
*
|
|
* @param {String} type the widget type (could be "number","string","combo"
|
|
* @param {String} name the text to show on the widget
|
|
* @param {String} value the default value
|
|
* @param {Function|String} callback function to call when it changes (optionally, it can be the name of the property to modify)
|
|
* @param {Object} options the object that contains special properties of this widget
|
|
* @return {Object} the created widget object
|
|
*/
|
|
addWidget(type: string, name: string, value: any, callback: IWidget["callback"], options?: any): IWidget {
|
|
this.widgets ||= []
|
|
|
|
if (!options && callback && typeof callback === "object") {
|
|
options = callback
|
|
callback = null
|
|
}
|
|
|
|
//options can be the property name
|
|
if (options && typeof options === "string")
|
|
options = { property: options }
|
|
|
|
//callback can be the property name
|
|
if (callback && typeof callback === "string") {
|
|
options ||= {}
|
|
options.property = callback
|
|
callback = null
|
|
}
|
|
|
|
if (callback && typeof callback !== "function") {
|
|
console.warn("addWidget: callback must be a function")
|
|
callback = null
|
|
}
|
|
|
|
const w: IWidget = {
|
|
// @ts-expect-error Type check or just assert?
|
|
type: type.toLowerCase(),
|
|
name: name,
|
|
value: value,
|
|
callback: callback,
|
|
options: options || {}
|
|
}
|
|
|
|
if (w.options.y !== undefined) {
|
|
w.y = w.options.y
|
|
}
|
|
|
|
if (!callback && !w.options.callback && !w.options.property) {
|
|
console.warn("LiteGraph addWidget(...) without a callback or property assigned")
|
|
}
|
|
if (type == "combo" && !w.options.values) {
|
|
throw "LiteGraph addWidget('combo',...) requires to pass values in options: { values:['red','blue'] }"
|
|
}
|
|
this.widgets.push(w)
|
|
this.setSize(this.computeSize())
|
|
return w
|
|
}
|
|
|
|
addCustomWidget(custom_widget: IWidget): IWidget {
|
|
this.widgets ||= []
|
|
this.widgets.push(custom_widget)
|
|
return custom_widget
|
|
}
|
|
|
|
/**
|
|
* Measures the node for rendering, populating {@link out} with the results in graph space.
|
|
* @param out Results (x, y, width, height) are inserted into this array.
|
|
* @param pad Expands the area by this amount on each side. Default: 0
|
|
*/
|
|
measure(out: Rect, pad = 0): void {
|
|
const titleMode = this.constructor.title_mode
|
|
const renderTitle = titleMode != TitleMode.TRANSPARENT_TITLE && titleMode != TitleMode.NO_TITLE
|
|
const titleHeight = renderTitle ? LiteGraph.NODE_TITLE_HEIGHT : 0
|
|
|
|
out[0] = this.pos[0] - pad
|
|
out[1] = this.pos[1] + -titleHeight - pad
|
|
if (!this.flags?.collapsed) {
|
|
out[2] = this.size[0] + (2 * pad)
|
|
out[3] = this.size[1] + titleHeight + (2 * pad)
|
|
} else {
|
|
out[2] = (this._collapsed_width || LiteGraph.NODE_COLLAPSED_WIDTH) + (2 * pad)
|
|
out[3] = LiteGraph.NODE_TITLE_HEIGHT + (2 * pad)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* returns the bounding of the object, used for rendering purposes
|
|
* @param out {Float32Array[4]?} [optional] a place to store the output, to free garbage
|
|
* @param compute_outer {boolean?} [optional] set to true to include the shadow and connection points in the bounding calculation
|
|
* @return {Float32Array[4]} the bounding box in format of [topleft_cornerx, topleft_cornery, width, height]
|
|
*/
|
|
getBounding(out?: Float32Array, compute_outer?: boolean): Float32Array {
|
|
out = out || new Float32Array(4)
|
|
this.measure(out)
|
|
if (compute_outer) {
|
|
// 4 offset for collapsed node connection points
|
|
out[0] -= 4
|
|
out[1] -= 4
|
|
// Add shadow & left offset
|
|
out[2] += 6 + 4
|
|
// Add shadow & top offsets
|
|
out[3] += 5 + 4
|
|
}
|
|
this.onBounding?.(out)
|
|
return out
|
|
}
|
|
|
|
/**
|
|
* checks if a point is inside the shape of a node
|
|
* @param {number} x
|
|
* @param {number} y
|
|
* @return {boolean}
|
|
*/
|
|
isPointInside(x: number, y: number, margin?: number, skip_title?: boolean): boolean {
|
|
margin ||= 0
|
|
|
|
const margin_top = skip_title || this.graph?.isLive()
|
|
? 0
|
|
: LiteGraph.NODE_TITLE_HEIGHT
|
|
|
|
if (this.flags.collapsed) {
|
|
//if ( distance([x,y], [this.pos[0] + this.size[0]*0.5, this.pos[1] + this.size[1]*0.5]) < LiteGraph.NODE_COLLAPSED_RADIUS)
|
|
if (isInsideRectangle(
|
|
x,
|
|
y,
|
|
this.pos[0] - margin,
|
|
this.pos[1] - LiteGraph.NODE_TITLE_HEIGHT - margin,
|
|
(this._collapsed_width || LiteGraph.NODE_COLLAPSED_WIDTH) +
|
|
2 * margin,
|
|
LiteGraph.NODE_TITLE_HEIGHT + 2 * margin
|
|
)) {
|
|
return true
|
|
}
|
|
} else if (this.pos[0] - 4 - margin < x &&
|
|
this.pos[0] + this.size[0] + 4 + margin > x &&
|
|
this.pos[1] - margin_top - margin < y &&
|
|
this.pos[1] + this.size[1] + margin > y) {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
/**
|
|
* checks if a point is inside a node slot, and returns info about which slot
|
|
* @param x
|
|
* @param y
|
|
* @returns if found the object contains { input|output: slot object, slot: number, link_pos: [x,y] }
|
|
*/
|
|
getSlotInPosition(x: number, y: number): IFoundSlot | null {
|
|
//search for inputs
|
|
const link_pos = new Float32Array(2)
|
|
if (this.inputs) {
|
|
for (let i = 0, l = this.inputs.length; i < l; ++i) {
|
|
const input = this.inputs[i]
|
|
this.getConnectionPos(true, i, link_pos)
|
|
if (isInsideRectangle(x, y, link_pos[0] - 10, link_pos[1] - 5, 20, 10)) {
|
|
return { input, slot: i, link_pos }
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.outputs) {
|
|
for (let i = 0, l = this.outputs.length; i < l; ++i) {
|
|
const output = this.outputs[i]
|
|
this.getConnectionPos(false, i, link_pos)
|
|
if (isInsideRectangle(x, y, link_pos[0] - 10, link_pos[1] - 5, 20, 10)) {
|
|
return { output, slot: i, link_pos }
|
|
}
|
|
}
|
|
}
|
|
|
|
return null
|
|
}
|
|
|
|
/**
|
|
* Returns the input slot with a given name (used for dynamic slots), -1 if not found
|
|
* @param name the name of the slot
|
|
* @param returnObj if the obj itself wanted
|
|
* @returns the slot (-1 if not found)
|
|
*/
|
|
findInputSlot<TReturn extends false>(name: string, returnObj?: TReturn): number
|
|
findInputSlot<TReturn extends true>(name: string, returnObj?: TReturn): INodeInputSlot
|
|
findInputSlot(name: string, returnObj: boolean = false) {
|
|
if (!this.inputs) return -1
|
|
|
|
for (let i = 0, l = this.inputs.length; i < l; ++i) {
|
|
if (name == this.inputs[i].name) {
|
|
return !returnObj ? i : this.inputs[i]
|
|
}
|
|
}
|
|
return -1
|
|
}
|
|
|
|
/**
|
|
* returns the output slot with a given name (used for dynamic slots), -1 if not found
|
|
* @param {string} name the name of the slot
|
|
* @param {boolean} returnObj if the obj itself wanted
|
|
* @return {number | INodeOutputSlot} the slot (-1 if not found)
|
|
*/
|
|
findOutputSlot<TReturn extends false>(name: string, returnObj?: TReturn): number
|
|
findOutputSlot<TReturn extends true>(name: string, returnObj?: TReturn): INodeOutputSlot
|
|
findOutputSlot(name: string, returnObj: boolean = false) {
|
|
if (!this.outputs) return -1
|
|
|
|
for (let i = 0, l = this.outputs.length; i < l; ++i) {
|
|
if (name == this.outputs[i].name) {
|
|
return !returnObj ? i : this.outputs[i]
|
|
}
|
|
}
|
|
return -1
|
|
}
|
|
|
|
/**
|
|
* Finds the first free input slot.
|
|
* @param {object} optsIn
|
|
* @return The index of the first matching slot, the slot itself if returnObj is true, or -1 if not found.
|
|
*/
|
|
findInputSlotFree<TReturn extends false>(optsIn?: FindFreeSlotOptions & { returnObj?: TReturn }): number
|
|
findInputSlotFree<TReturn extends true>(optsIn?: FindFreeSlotOptions & { returnObj?: TReturn }): INodeInputSlot
|
|
findInputSlotFree(optsIn?: FindFreeSlotOptions) {
|
|
return this.#findFreeSlot(this.inputs, optsIn)
|
|
}
|
|
|
|
/**
|
|
* Finds the first free output slot.
|
|
* @param {object} optsIn
|
|
* @return The index of the first matching slot, the slot itself if returnObj is true, or -1 if not found.
|
|
*/
|
|
findOutputSlotFree<TReturn extends false>(optsIn?: FindFreeSlotOptions & { returnObj?: TReturn }): number
|
|
findOutputSlotFree<TReturn extends true>(optsIn?: FindFreeSlotOptions & { returnObj?: TReturn }): INodeOutputSlot
|
|
findOutputSlotFree(optsIn?: FindFreeSlotOptions) {
|
|
return this.#findFreeSlot(this.outputs, optsIn)
|
|
}
|
|
|
|
/**
|
|
* Finds the next free slot
|
|
* @param slots The slots to search, i.e. this.inputs or this.outputs
|
|
* @param options Options
|
|
*/
|
|
#findFreeSlot<TSlot extends INodeInputSlot | INodeOutputSlot>(slots: TSlot[], options?: FindFreeSlotOptions): TSlot | number {
|
|
const defaults = {
|
|
returnObj: false,
|
|
typesNotAccepted: []
|
|
}
|
|
const opts = Object.assign(defaults, options || {})
|
|
const length = slots?.length
|
|
if (!(length > 0)) return -1
|
|
|
|
for (let i = 0; i < length; ++i) {
|
|
const slot: TSlot & IGenericLinkOrLinks = slots[i]
|
|
if (!slot || slot.link || slot.links?.length) continue
|
|
if (opts.typesNotAccepted?.includes?.(slot.type)) continue
|
|
return !opts.returnObj ? i : slot
|
|
}
|
|
return -1
|
|
}
|
|
|
|
/**
|
|
* findSlotByType for INPUTS
|
|
*/
|
|
findInputSlotByType<TReturn extends false>(type: ISlotType, returnObj?: TReturn, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): number
|
|
findInputSlotByType<TReturn extends true>(type: ISlotType, returnObj?: TReturn, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): INodeInputSlot
|
|
findInputSlotByType(type: ISlotType, returnObj?: boolean, preferFreeSlot?: boolean, doNotUseOccupied?: boolean) {
|
|
return this.#findSlotByType(this.inputs, type, returnObj, preferFreeSlot, doNotUseOccupied)
|
|
}
|
|
|
|
/**
|
|
* findSlotByType for OUTPUTS
|
|
*/
|
|
findOutputSlotByType<TReturn extends false>(type: ISlotType, returnObj?: TReturn, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): number
|
|
findOutputSlotByType<TReturn extends true>(type: ISlotType, returnObj?: TReturn, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): INodeOutputSlot
|
|
findOutputSlotByType(type: ISlotType, returnObj?: boolean, preferFreeSlot?: boolean, doNotUseOccupied?: boolean) {
|
|
return this.#findSlotByType(this.outputs, type, returnObj, preferFreeSlot, doNotUseOccupied)
|
|
}
|
|
|
|
/**
|
|
* returns the output (or input) slot with a given type, -1 if not found
|
|
* @param {boolean} input uise inputs instead of outputs
|
|
* @param {string} type the type of the slot
|
|
* @param {boolean} returnObj if the obj itself wanted
|
|
* @param {boolean} preferFreeSlot if we want a free slot (if not found, will return the first of the type anyway)
|
|
* @return {number_or_object} the slot (-1 if not found)
|
|
*/
|
|
findSlotByType<TSlot extends true | false, TReturn extends false>(input: TSlot, type: ISlotType, returnObj?: TReturn, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): number
|
|
findSlotByType<TSlot extends true, TReturn extends true>(input: TSlot, type: ISlotType, returnObj?: TReturn, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): INodeInputSlot
|
|
findSlotByType<TSlot extends false, TReturn extends true>(input: TSlot, type: ISlotType, returnObj?: TReturn, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): INodeOutputSlot
|
|
findSlotByType(input: boolean, type: ISlotType, returnObj?: boolean, preferFreeSlot?: boolean, doNotUseOccupied?: boolean) {
|
|
return input
|
|
? this.#findSlotByType(this.inputs, type, returnObj, preferFreeSlot, doNotUseOccupied)
|
|
: this.#findSlotByType(this.outputs, type, returnObj, preferFreeSlot, doNotUseOccupied)
|
|
}
|
|
|
|
/**
|
|
* Finds a matching slot from those provided, returning the slot itself or its index in {@link slots}.
|
|
* @param slots Slots to search (this.inputs or this.outputs)
|
|
* @param type Type of slot to look for
|
|
* @param returnObj If true, returns the slot itself. Otherwise, the index.
|
|
* @param preferFreeSlot Prefer a free slot, but if none are found, fall back to an occupied slot.
|
|
* @param doNotUseOccupied Do not fall back to occupied slots.
|
|
* @see {findSlotByType}
|
|
* @see {findOutputSlotByType}
|
|
* @see {findInputSlotByType}
|
|
* @returns If a match is found, the slot if returnObj is true, otherwise the index. If no matches are found, -1
|
|
*/
|
|
#findSlotByType<TSlot extends INodeInputSlot | INodeOutputSlot>(slots: TSlot[], type: ISlotType, returnObj?: boolean, preferFreeSlot?: boolean, doNotUseOccupied?: boolean): TSlot | number {
|
|
const length = slots?.length
|
|
if (!length) return -1
|
|
|
|
// !! empty string type is considered 0, * !!
|
|
if (type == "" || type == "*") type = 0
|
|
const sourceTypes = String(type).toLowerCase().split(",")
|
|
|
|
// Run the search
|
|
let occupiedSlot: number | TSlot | null = null
|
|
for (let i = 0; i < length; ++i) {
|
|
const slot: TSlot & IGenericLinkOrLinks = slots[i]
|
|
const destTypes = slot.type == "0" || slot.type == "*"
|
|
? ["0"]
|
|
: String(slot.type).toLowerCase().split(",")
|
|
|
|
for (const sourceType of sourceTypes) {
|
|
// TODO: Remove _event_ entirely.
|
|
const source = sourceType == "_event_" ? LiteGraph.EVENT : sourceType
|
|
|
|
for (const destType of destTypes) {
|
|
const dest = destType == "_event_" ? LiteGraph.EVENT : destType
|
|
|
|
if (source == dest || source === "*" || dest === "*") {
|
|
if (preferFreeSlot && (slot.links?.length || slot.link != null)) {
|
|
// In case we can't find a free slot.
|
|
occupiedSlot ??= returnObj ? slot : i
|
|
continue
|
|
}
|
|
return returnObj ? slot : i
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return doNotUseOccupied ? -1 : occupiedSlot ?? -1
|
|
}
|
|
|
|
/**
|
|
* Determines the slot index to connect to when attempting to connect by type.
|
|
*
|
|
* @param findInputs If true, searches for an input. Otherwise, an output.
|
|
* @param node The node at the other end of the connection.
|
|
* @param slotType The type of slot at the other end of the connection.
|
|
* @param options Search restrictions to adhere to.
|
|
* @see {connectByType}
|
|
* @see {connectByTypeOutput}
|
|
*/
|
|
findConnectByTypeSlot(
|
|
findInputs: boolean,
|
|
node: LGraphNode,
|
|
slotType: ISlotType,
|
|
options?: ConnectByTypeOptions
|
|
): number | null {
|
|
// LEGACY: Old options names
|
|
if (options && typeof options === "object") {
|
|
if ("firstFreeIfInputGeneralInCase" in options) options.wildcardToTyped = !!options.firstFreeIfInputGeneralInCase
|
|
if ("firstFreeIfOutputGeneralInCase" in options) options.wildcardToTyped = !!options.firstFreeIfOutputGeneralInCase
|
|
if ("generalTypeInCase" in options) options.typedToWildcard = !!options.generalTypeInCase
|
|
}
|
|
const optsDef: ConnectByTypeOptions = {
|
|
createEventInCase: true,
|
|
wildcardToTyped: true,
|
|
typedToWildcard: true
|
|
}
|
|
const opts = Object.assign(optsDef, options)
|
|
|
|
if (node && typeof node === "number") {
|
|
node = this.graph.getNodeById(node)
|
|
}
|
|
const slot = node.findSlotByType(findInputs, slotType, false, true)
|
|
if (slot >= 0 && slot !== null) return slot
|
|
|
|
// TODO: Remove or reimpl. events. WILL CREATE THE onTrigger IN SLOT
|
|
if (opts.createEventInCase && slotType == LiteGraph.EVENT) {
|
|
if (findInputs) return -1
|
|
if (LiteGraph.do_add_triggers_slots) return node.addOnExecutedOutput()
|
|
}
|
|
|
|
// connect to the first general output slot if not found a specific type and
|
|
if (opts.typedToWildcard) {
|
|
const generalSlot = node.findSlotByType(findInputs, 0, false, true, true)
|
|
if (generalSlot >= 0) return generalSlot
|
|
}
|
|
// connect to the first free input slot if not found a specific type and this output is general
|
|
if (opts.wildcardToTyped && (slotType == 0 || slotType == "*" || slotType == "")) {
|
|
const opt = { typesNotAccepted: [LiteGraph.EVENT] }
|
|
const nonEventSlot = findInputs
|
|
? node.findInputSlotFree(opt)
|
|
: node.findOutputSlotFree(opt)
|
|
if (nonEventSlot >= 0) return nonEventSlot
|
|
}
|
|
return null
|
|
}
|
|
|
|
/**
|
|
* connect this node output to the input of another node BY TYPE
|
|
* @param {number} slot (could be the number of the slot or the string with the name of the slot)
|
|
* @param {LGraphNode} target_node the target node
|
|
* @param {string} target_slotType the input slot type of the target node
|
|
* @return {Object} the link_info is created, otherwise null
|
|
*/
|
|
connectByType(slot: number | string, target_node: LGraphNode, target_slotType: ISlotType, optsIn?: ConnectByTypeOptions): LLink | null {
|
|
const slotIndex = this.findConnectByTypeSlot(true, target_node, target_slotType, optsIn)
|
|
if (slotIndex !== null) return this.connect(slot, target_node, slotIndex)
|
|
|
|
console.debug("[connectByType]: no way to connect type: ", target_slotType, " to node: ", target_node)
|
|
return null
|
|
}
|
|
|
|
/**
|
|
* connect this node input to the output of another node BY TYPE
|
|
* @method connectByType
|
|
* @param {number | string} slot (could be the number of the slot or the string with the name of the slot)
|
|
* @param {LGraphNode} source_node the target node
|
|
* @param {string} source_slotType the output slot type of the target node
|
|
* @return {Object} the link_info is created, otherwise null
|
|
*/
|
|
connectByTypeOutput(slot: number | string, source_node: LGraphNode, source_slotType: ISlotType, optsIn?: ConnectByTypeOptions): LLink | null {
|
|
// LEGACY: Old options names
|
|
if (typeof optsIn === "object") {
|
|
if ("firstFreeIfInputGeneralInCase" in optsIn) optsIn.wildcardToTyped = !!optsIn.firstFreeIfInputGeneralInCase
|
|
if ("generalTypeInCase" in optsIn) optsIn.typedToWildcard = !!optsIn.generalTypeInCase
|
|
}
|
|
const slotIndex = this.findConnectByTypeSlot(false, source_node, source_slotType, optsIn)
|
|
if (slotIndex !== null) return source_node.connect(slotIndex, this, slot)
|
|
|
|
console.debug("[connectByType]: no way to connect type: ", source_slotType, " to node: ", source_node)
|
|
return null
|
|
}
|
|
|
|
/**
|
|
* Connect an output of this node to an input of another node
|
|
* @param {number | string} slot (could be the number of the slot or the string with the name of the slot)
|
|
* @param {LGraphNode} target_node the target node
|
|
* @param {number | string} target_slot the input slot of the target node (could be the number of the slot or the string with the name of the slot, or -1 to connect a trigger)
|
|
* @return {Object} the link_info is created, otherwise null
|
|
*/
|
|
connect(slot: number | string, target_node: LGraphNode, target_slot: ISlotType): LLink | null {
|
|
// Allow legacy API support for searching target_slot by string, without mutating the input variables
|
|
let targetIndex: number
|
|
|
|
if (!this.graph) {
|
|
//could be connected before adding it to a graph
|
|
//due to link ids being associated with graphs
|
|
console.log("Connect: Error, node doesn't belong to any graph. Nodes must be added first to a graph before connecting them.")
|
|
return null
|
|
}
|
|
|
|
//seek for the output slot
|
|
if (typeof slot === "string") {
|
|
slot = this.findOutputSlot(slot)
|
|
if (slot == -1) {
|
|
if (LiteGraph.debug) console.log("Connect: Error, no slot of name " + slot)
|
|
return null
|
|
}
|
|
} else if (!this.outputs || slot >= this.outputs.length) {
|
|
if (LiteGraph.debug) console.log("Connect: Error, slot number not found")
|
|
return null
|
|
}
|
|
|
|
if (target_node && typeof target_node === "number") {
|
|
target_node = this.graph.getNodeById(target_node)
|
|
}
|
|
if (!target_node) throw "target node is null"
|
|
|
|
//avoid loopback
|
|
if (target_node == this) return null
|
|
|
|
//you can specify the slot by name
|
|
if (typeof target_slot === "string") {
|
|
targetIndex = target_node.findInputSlot(target_slot)
|
|
if (targetIndex == -1) {
|
|
if (LiteGraph.debug) console.log("Connect: Error, no slot of name " + targetIndex)
|
|
return null
|
|
}
|
|
} else if (target_slot === LiteGraph.EVENT) {
|
|
// TODO: Events
|
|
if (LiteGraph.do_add_triggers_slots) {
|
|
target_node.changeMode(LGraphEventMode.ON_TRIGGER)
|
|
targetIndex = target_node.findInputSlot("onTrigger")
|
|
} else {
|
|
return null
|
|
}
|
|
} else if (typeof target_slot === "number") {
|
|
targetIndex = target_slot
|
|
} else {
|
|
targetIndex = 0
|
|
}
|
|
|
|
// Allow target node to change slot
|
|
if (target_node.onBeforeConnectInput) {
|
|
// This way node can choose another slot (or make a new one?)
|
|
const requestedIndex: false | number | null = target_node.onBeforeConnectInput(targetIndex, target_slot)
|
|
targetIndex = typeof requestedIndex === "number" ? requestedIndex : null
|
|
}
|
|
|
|
if (targetIndex === null || !target_node.inputs || targetIndex >= target_node.inputs.length) {
|
|
if (LiteGraph.debug) console.log("Connect: Error, slot number not found")
|
|
return null
|
|
}
|
|
|
|
let changed = false
|
|
|
|
const input = target_node.inputs[targetIndex]
|
|
let link_info: LLink = null
|
|
const output = this.outputs[slot]
|
|
|
|
if (!this.outputs[slot]) return null
|
|
|
|
//check targetSlot and check connection types
|
|
if (!LiteGraph.isValidConnection(output.type, input.type)) {
|
|
this.setDirtyCanvas(false, true)
|
|
// @ts-expect-error Unused param
|
|
if (changed) this.graph.connectionChange(this, link_info)
|
|
return null
|
|
}
|
|
|
|
// Allow nodes to block connection
|
|
if (target_node.onConnectInput?.(targetIndex, output.type, output, this, slot) === false)
|
|
return null
|
|
if (this.onConnectOutput?.(slot, input.type, input, target_node, targetIndex) === false)
|
|
return null
|
|
|
|
//if there is something already plugged there, disconnect
|
|
if (target_node.inputs[targetIndex]?.link != null) {
|
|
this.graph.beforeChange()
|
|
target_node.disconnectInput(targetIndex)
|
|
changed = true
|
|
}
|
|
if (output.links?.length) {
|
|
if (output.type === LiteGraph.EVENT && !LiteGraph.allow_multi_output_for_events) {
|
|
this.graph.beforeChange()
|
|
// @ts-expect-error Unused param
|
|
this.disconnectOutput(slot, false, { doProcessChange: false })
|
|
changed = true
|
|
}
|
|
}
|
|
|
|
const nextId = LiteGraph.use_uuids
|
|
? LiteGraph.uuidv4()
|
|
: ++this.graph.last_link_id
|
|
|
|
//create link class
|
|
link_info = new LLink(
|
|
nextId,
|
|
input.type || output.type,
|
|
this.id,
|
|
slot,
|
|
target_node.id,
|
|
targetIndex
|
|
)
|
|
|
|
//add to graph links list
|
|
this.graph.links[link_info.id] = link_info
|
|
|
|
//connect in output
|
|
output.links ??= []
|
|
output.links.push(link_info.id)
|
|
//connect in input
|
|
target_node.inputs[targetIndex].link = link_info.id
|
|
if (this.graph) this.graph._version++
|
|
|
|
//link_info has been created now, so its updated
|
|
this.onConnectionsChange?.(
|
|
NodeSlotType.OUTPUT,
|
|
slot,
|
|
true,
|
|
link_info,
|
|
output
|
|
)
|
|
|
|
target_node.onConnectionsChange?.(
|
|
NodeSlotType.INPUT,
|
|
targetIndex,
|
|
true,
|
|
link_info,
|
|
input
|
|
)
|
|
this.graph?.onNodeConnectionChange?.(
|
|
NodeSlotType.INPUT,
|
|
target_node,
|
|
targetIndex,
|
|
this,
|
|
slot
|
|
)
|
|
this.graph?.onNodeConnectionChange?.(
|
|
NodeSlotType.OUTPUT,
|
|
this,
|
|
slot,
|
|
target_node,
|
|
targetIndex
|
|
)
|
|
|
|
this.setDirtyCanvas(false, true)
|
|
this.graph.afterChange()
|
|
this.graph.connectionChange(this)
|
|
|
|
return link_info
|
|
}
|
|
|
|
/**
|
|
* disconnect one output to an specific node
|
|
* @param {number_or_string} slot (could be the number of the slot or the string with the name of the slot)
|
|
* @param {LGraphNode} target_node the target node to which this slot is connected [Optional, if not target_node is specified all nodes will be disconnected]
|
|
* @return {boolean} if it was disconnected successfully
|
|
*/
|
|
disconnectOutput(slot: string | number, target_node?: LGraphNode): boolean {
|
|
if (typeof slot === "string") {
|
|
slot = this.findOutputSlot(slot)
|
|
if (slot == -1) {
|
|
if (LiteGraph.debug) console.log("Connect: Error, no slot of name " + slot)
|
|
return false
|
|
}
|
|
} else if (!this.outputs || slot >= this.outputs.length) {
|
|
if (LiteGraph.debug) console.log("Connect: Error, slot number not found")
|
|
return false
|
|
}
|
|
|
|
//get output slot
|
|
const output = this.outputs[slot]
|
|
if (!output || !output.links || output.links.length == 0)
|
|
return false
|
|
|
|
//one of the output links in this slot
|
|
const graph = this.graph
|
|
if (target_node) {
|
|
if (typeof target_node === "number")
|
|
target_node = graph.getNodeById(target_node)
|
|
if (!target_node)
|
|
throw "Target Node not found"
|
|
|
|
for (let i = 0, l = output.links.length; i < l; i++) {
|
|
const link_id = output.links[i]
|
|
const link_info = graph.links[link_id]
|
|
|
|
//is the link we are searching for...
|
|
if (link_info.target_id == target_node.id) {
|
|
output.links.splice(i, 1) //remove here
|
|
const input = target_node.inputs[link_info.target_slot]
|
|
input.link = null //remove there
|
|
|
|
delete graph.links[link_id] //remove the link from the links pool //remove the link from the links pool
|
|
if (graph) graph._version++
|
|
|
|
//link_info hasn't been modified so its ok
|
|
target_node.onConnectionsChange?.(
|
|
NodeSlotType.INPUT,
|
|
link_info.target_slot,
|
|
false,
|
|
link_info,
|
|
input
|
|
)
|
|
this.onConnectionsChange?.(
|
|
NodeSlotType.OUTPUT,
|
|
slot,
|
|
false,
|
|
link_info,
|
|
output
|
|
)
|
|
|
|
// FIXME: Called twice.
|
|
graph?.onNodeConnectionChange?.(NodeSlotType.OUTPUT, this, slot)
|
|
graph?.onNodeConnectionChange?.(NodeSlotType.OUTPUT, this, slot)
|
|
graph?.onNodeConnectionChange?.(NodeSlotType.INPUT, target_node, link_info.target_slot)
|
|
break
|
|
}
|
|
}
|
|
} //all the links in this output slot
|
|
else {
|
|
for (let i = 0, l = output.links.length; i < l; i++) {
|
|
const link_id = output.links[i]
|
|
const link_info = graph.links[link_id]
|
|
//bug: it happens sometimes
|
|
if (!link_info) continue
|
|
|
|
target_node = graph.getNodeById(link_info.target_id)
|
|
if (graph) graph._version++
|
|
|
|
if (target_node) {
|
|
const input = target_node.inputs[link_info.target_slot]
|
|
//remove other side link
|
|
input.link = null
|
|
|
|
//link_info hasn't been modified so its ok
|
|
target_node.onConnectionsChange?.(
|
|
NodeSlotType.INPUT,
|
|
link_info.target_slot,
|
|
false,
|
|
link_info,
|
|
input
|
|
)
|
|
// FIXME: Called twice.
|
|
graph?.onNodeConnectionChange?.(NodeSlotType.INPUT, target_node, link_info.target_slot)
|
|
}
|
|
//remove the link from the links pool
|
|
delete graph.links[link_id]
|
|
|
|
this.onConnectionsChange?.(
|
|
NodeSlotType.OUTPUT,
|
|
slot,
|
|
false,
|
|
link_info,
|
|
output
|
|
)
|
|
graph?.onNodeConnectionChange?.(NodeSlotType.OUTPUT, this, slot)
|
|
graph?.onNodeConnectionChange?.(NodeSlotType.INPUT, target_node, link_info.target_slot)
|
|
}
|
|
output.links = null
|
|
}
|
|
|
|
this.setDirtyCanvas(false, true)
|
|
graph.connectionChange(this)
|
|
return true
|
|
}
|
|
|
|
/**
|
|
* Disconnect one input
|
|
* @param slot Input slot index, or the name of the slot
|
|
* @return true if disconnected successfully or already disconnected, otherwise false
|
|
*/
|
|
disconnectInput(slot: number | string): boolean {
|
|
// Allow search by string
|
|
if (typeof slot === "string") {
|
|
slot = this.findInputSlot(slot)
|
|
if (slot == -1) {
|
|
if (LiteGraph.debug) console.log("Connect: Error, no slot of name " + slot)
|
|
return false
|
|
}
|
|
} else if (!this.inputs || slot >= this.inputs.length) {
|
|
if (LiteGraph.debug) {
|
|
console.log("Connect: Error, slot number not found")
|
|
}
|
|
return false
|
|
}
|
|
|
|
const input = this.inputs[slot]
|
|
if (!input) {
|
|
return false
|
|
}
|
|
|
|
const link_id = this.inputs[slot].link
|
|
if (link_id != null) {
|
|
this.inputs[slot].link = null
|
|
|
|
//remove other side
|
|
const link_info = this.graph.links[link_id]
|
|
if (link_info) {
|
|
const target_node = this.graph.getNodeById(link_info.origin_id)
|
|
if (!target_node) {
|
|
return false
|
|
}
|
|
|
|
const output = target_node.outputs[link_info.origin_slot]
|
|
if (!(output?.links?.length > 0)) {
|
|
return false
|
|
}
|
|
|
|
//search in the inputs list for this link
|
|
let i = 0
|
|
for (const l = output.links.length; i < l; i++) {
|
|
if (output.links[i] == link_id) {
|
|
output.links.splice(i, 1)
|
|
break
|
|
}
|
|
}
|
|
|
|
delete this.graph.links[link_id] //remove from the pool
|
|
if (this.graph) this.graph._version++
|
|
|
|
this.onConnectionsChange?.(
|
|
NodeSlotType.INPUT,
|
|
slot,
|
|
false,
|
|
link_info,
|
|
input
|
|
)
|
|
target_node.onConnectionsChange?.(
|
|
NodeSlotType.OUTPUT,
|
|
i,
|
|
false,
|
|
link_info,
|
|
output
|
|
)
|
|
this.graph?.onNodeConnectionChange?.(NodeSlotType.OUTPUT, target_node, i)
|
|
this.graph?.onNodeConnectionChange?.(NodeSlotType.INPUT, this, slot)
|
|
}
|
|
}
|
|
|
|
this.setDirtyCanvas(false, true)
|
|
this.graph?.connectionChange(this)
|
|
return true
|
|
}
|
|
|
|
/**
|
|
* returns the center of a connection point in canvas coords
|
|
* @param {boolean} is_input true if if a input slot, false if it is an output
|
|
* @param {number_or_string} slot (could be the number of the slot or the string with the name of the slot)
|
|
* @param {vec2} out [optional] a place to store the output, to free garbage
|
|
* @return {[x,y]} the position
|
|
**/
|
|
getConnectionPos(is_input: boolean, slot_number: number, out?: Point): Point {
|
|
out ||= new Float32Array(2)
|
|
|
|
const num_slots = is_input
|
|
? this.inputs?.length ?? 0
|
|
: this.outputs?.length ?? 0
|
|
|
|
const offset = LiteGraph.NODE_SLOT_HEIGHT * 0.5
|
|
|
|
if (this.flags.collapsed) {
|
|
const w = this._collapsed_width || LiteGraph.NODE_COLLAPSED_WIDTH
|
|
if (this.horizontal) {
|
|
out[0] = this.pos[0] + w * 0.5
|
|
out[1] = is_input
|
|
? this.pos[1] - LiteGraph.NODE_TITLE_HEIGHT
|
|
: this.pos[1]
|
|
} else {
|
|
out[0] = is_input
|
|
? this.pos[0]
|
|
: this.pos[0] + w
|
|
out[1] = this.pos[1] - LiteGraph.NODE_TITLE_HEIGHT * 0.5
|
|
}
|
|
return out
|
|
}
|
|
|
|
//weird feature that never got finished
|
|
if (is_input && slot_number == -1) {
|
|
out[0] = this.pos[0] + LiteGraph.NODE_TITLE_HEIGHT * 0.5
|
|
out[1] = this.pos[1] + LiteGraph.NODE_TITLE_HEIGHT * 0.5
|
|
return out
|
|
}
|
|
|
|
//hard-coded pos
|
|
if (is_input &&
|
|
num_slots > slot_number &&
|
|
this.inputs[slot_number].pos) {
|
|
|
|
out[0] = this.pos[0] + this.inputs[slot_number].pos[0]
|
|
out[1] = this.pos[1] + this.inputs[slot_number].pos[1]
|
|
return out
|
|
} else if (!is_input &&
|
|
num_slots > slot_number &&
|
|
this.outputs[slot_number].pos) {
|
|
|
|
out[0] = this.pos[0] + this.outputs[slot_number].pos[0]
|
|
out[1] = this.pos[1] + this.outputs[slot_number].pos[1]
|
|
return out
|
|
}
|
|
|
|
//horizontal distributed slots
|
|
if (this.horizontal) {
|
|
out[0] = this.pos[0] + (slot_number + 0.5) * (this.size[0] / num_slots)
|
|
out[1] = is_input
|
|
? this.pos[1] - LiteGraph.NODE_TITLE_HEIGHT
|
|
: this.pos[1] + this.size[1]
|
|
return out
|
|
}
|
|
|
|
//default vertical slots
|
|
out[0] = is_input
|
|
? this.pos[0] + offset
|
|
: this.pos[0] + this.size[0] + 1 - offset
|
|
out[1] =
|
|
this.pos[1] +
|
|
(slot_number + 0.7) * LiteGraph.NODE_SLOT_HEIGHT +
|
|
(this.constructor.slot_start_y || 0)
|
|
return out
|
|
}
|
|
|
|
/* Force align to grid */
|
|
alignToGrid(): void {
|
|
this.pos[0] = LiteGraph.CANVAS_GRID_SIZE * Math.round(this.pos[0] / LiteGraph.CANVAS_GRID_SIZE)
|
|
this.pos[1] = LiteGraph.CANVAS_GRID_SIZE * Math.round(this.pos[1] / LiteGraph.CANVAS_GRID_SIZE)
|
|
}
|
|
|
|
/* Console output */
|
|
trace(msg?: string): void {
|
|
this.console ||= []
|
|
this.console.push(msg)
|
|
if (this.console.length > LGraphNode.MAX_CONSOLE)
|
|
this.console.shift()
|
|
|
|
this.graph.onNodeTrace?.(this, msg)
|
|
}
|
|
|
|
/* Forces to redraw or the main canvas (LGraphNode) or the bg canvas (links) */
|
|
setDirtyCanvas(dirty_foreground: boolean, dirty_background?: boolean): void {
|
|
this.graph?.sendActionToCanvas("setDirty", [
|
|
dirty_foreground,
|
|
dirty_background
|
|
])
|
|
}
|
|
|
|
loadImage(url: string): HTMLImageElement {
|
|
interface AsyncImageElement extends HTMLImageElement { ready?: boolean }
|
|
|
|
const img: AsyncImageElement = new Image()
|
|
img.src = LiteGraph.node_images_path + url
|
|
img.ready = false
|
|
|
|
const that = this
|
|
img.onload = function (this: AsyncImageElement) {
|
|
this.ready = true
|
|
that.setDirtyCanvas(true)
|
|
}
|
|
return img
|
|
}
|
|
|
|
/* Allows to get onMouseMove and onMouseUp events even if the mouse is out of focus */
|
|
captureInput(v: boolean): void {
|
|
if (!this.graph || !this.graph.list_of_graphcanvas)
|
|
return
|
|
|
|
const list = this.graph.list_of_graphcanvas
|
|
|
|
for (let i = 0; i < list.length; ++i) {
|
|
const c = list[i]
|
|
//releasing somebody elses capture?!
|
|
if (!v && c.node_capturing_input != this)
|
|
continue
|
|
|
|
//change
|
|
c.node_capturing_input = v ? this : null
|
|
}
|
|
}
|
|
|
|
get collapsed() {
|
|
return !!this.flags.collapsed
|
|
}
|
|
|
|
get collapsible() {
|
|
return !this.pinned && (this.constructor.collapsable !== false)
|
|
}
|
|
|
|
/**
|
|
* Collapse the node to make it smaller on the canvas
|
|
**/
|
|
collapse(force?: boolean): void {
|
|
if (!this.collapsible && !force) return
|
|
this.graph._version++
|
|
this.flags.collapsed = !this.flags.collapsed
|
|
this.setDirtyCanvas(true, true)
|
|
}
|
|
|
|
get pinned() {
|
|
return !!this.flags.pinned
|
|
}
|
|
|
|
/**
|
|
* Prevents the node being accidentally moved or resized by mouse interaction.
|
|
**/
|
|
pin(v?: boolean): void {
|
|
this.graph._version++
|
|
this.flags.pinned = v === undefined
|
|
? !this.flags.pinned
|
|
: v
|
|
this.resizable = !this.pinned
|
|
// Delete the flag if unpinned, so that we don't get unnecessary
|
|
// flags.pinned = false in serialized object.
|
|
if (!this.pinned)
|
|
delete this.flags.pinned
|
|
}
|
|
|
|
localToScreen(x: number, y: number, dragAndScale: DragAndScale): Point {
|
|
return [
|
|
(x + this.pos[0]) * dragAndScale.scale + dragAndScale.offset[0],
|
|
(y + this.pos[1]) * dragAndScale.scale + dragAndScale.offset[1]
|
|
]
|
|
}
|
|
|
|
get width() {
|
|
return this.collapsed ? this._collapsed_width || LiteGraph.NODE_COLLAPSED_WIDTH : this.size[0]
|
|
}
|
|
|
|
get height() {
|
|
// @ts-expect-error Not impl.
|
|
return this.collapsed ? LiteGraph.NODE_COLLAPSED_HEIGHT : this.size[1]
|
|
}
|
|
|
|
drawBadges(ctx: CanvasRenderingContext2D, { gap = 2 } = {}): void {
|
|
const badgeInstances = this.badges.map(badge => badge instanceof LGraphBadge ? badge : badge())
|
|
const isLeftAligned = this.badgePosition === BadgePosition.TopLeft
|
|
|
|
let currentX = isLeftAligned ? 0 : this.width - badgeInstances.reduce((acc, badge) => acc + badge.getWidth(ctx) + gap, 0)
|
|
const y = -(LiteGraph.NODE_TITLE_HEIGHT + gap)
|
|
|
|
for (const badge of badgeInstances) {
|
|
badge.draw(ctx, currentX, y - badge.height)
|
|
currentX += badge.getWidth(ctx) + gap
|
|
}
|
|
}
|
|
}
|