Files
ComfyBox/src/lib/components/utils.ts
2023-05-25 14:09:36 -05:00

48 lines
2.1 KiB
TypeScript

import type ComfyGraphCanvas from "$lib/ComfyGraphCanvas";
import { type ContainerLayout, type IDragItem, type TemplateLayout, type WritableLayoutStateStore } from "$lib/stores/layoutStates"
import type { LGraphCanvas, Vector2 } from "@litegraph-ts/core";
import { get } from "svelte/store";
export function handleContainerConsider(layoutState: WritableLayoutStateStore, container: ContainerLayout, evt: CustomEvent<DndEvent<IDragItem>>): IDragItem[] {
return layoutState.updateChildren(container, evt.detail.items)
};
export function handleContainerFinalize(layoutState: WritableLayoutStateStore, container: ContainerLayout, evt: CustomEvent<DndEvent<IDragItem>>): IDragItem[] {
const dnd = evt.detail
const info = dnd.info;
const droppedItem = dnd.items.find(i => i.id === info.id);
const isDroppingTemplate = droppedItem?.type === "template"
if (isDroppingTemplate) {
return doInsertTemplate(layoutState, droppedItem as TemplateLayout, container, dnd.items)
}
else {
return layoutState.updateChildren(container, dnd.items)
}
};
function isComfyGraphCanvas(canvas: LGraphCanvas): canvas is ComfyGraphCanvas {
return "insertTemplate" in canvas;
}
function doInsertTemplate(layoutState: WritableLayoutStateStore, droppedTemplate: TemplateLayout, container: ContainerLayout, items: IDragItem[]): IDragItem[] {
const workflow = layoutState.workflow;
const templateItemIndex = items.findIndex(i => i.id === droppedTemplate.id)
const newChildren = items.filter(i => i.id !== droppedTemplate.id);
const canvas = workflow.canvases["app"]?.canvas
if (canvas == null || !isComfyGraphCanvas(canvas) || canvas.graph !== workflow.graph) {
console.error("Couldn't get main graph canvas!")
return newChildren;
}
layoutState.updateChildren(container, newChildren);
const newPos: Vector2 = [canvas.visible_area[0] + canvas.visible_area[2] / 2, canvas.visible_area[1] + canvas.visible_area[3] / 2]
canvas.insertTemplate(droppedTemplate.template, newPos, container, templateItemIndex);
return get(layoutState).allItems[container.id].children;
}