Graphite/frontend/src/components/panels/NodeGraph.vue

776 lines
28 KiB
Vue

<template>
<LayoutCol class="node-graph">
<LayoutRow class="options-bar"><WidgetLayout :layout="nodeGraphBarLayout" /></LayoutRow>
<LayoutRow
class="graph"
ref="graph"
@wheel="(e: WheelEvent) => scroll(e)"
@pointerdown="(e: PointerEvent) => pointerDown(e)"
@pointermove="(e: PointerEvent) => pointerMove(e)"
@pointerup="(e: PointerEvent) => pointerUp(e)"
@dblclick="(e: MouseEvent) => doubleClick(e)"
:style="{
'--grid-spacing': `${gridSpacing}px`,
'--grid-offset-x': `${transform.x * transform.scale}px`,
'--grid-offset-y': `${transform.y * transform.scale}px`,
'--dot-radius': `${dotRadius}px`,
}"
>
<LayoutCol class="node-list" data-node-list v-if="nodeListLocation" :style="{ marginLeft: `${nodeListX}px`, marginTop: `${nodeListY}px` }">
<TextInput placeholder="Search Nodes..." :value="searchTerm" @update:value="(val) => (searchTerm = val)" v-focus />
<LayoutCol v-for="nodeCategory in nodeCategories" :key="nodeCategory[0]">
<TextLabel>{{ nodeCategory[0] }}</TextLabel>
<TextButton v-for="nodeType in nodeCategory[1]" v-bind:key="String(nodeType)" :label="nodeType.name" :action="() => createNode(nodeType.name)" />
</LayoutCol>
<TextLabel v-if="nodeCategories.length === 0">No search results :(</TextLabel>
</LayoutCol>
<div
class="nodes"
ref="nodesContainer"
:style="{
transform: `scale(${transform.scale}) translate(${transform.x}px, ${transform.y}px)`,
transformOrigin: `0 0`,
}"
>
<div
v-for="node in nodes"
:key="String(node.id)"
class="node"
:class="{ selected: selected.includes(node.id), output: node.output, disabled: node.disabled }"
:style="{
'--offset-left': (node.position?.x || 0) + (selected.includes(node.id) ? draggingNodes?.roundX || 0 : 0),
'--offset-top': (node.position?.y || 0) + (selected.includes(node.id) ? draggingNodes?.roundY || 0 : 0),
}"
:data-node="node.id"
>
<div class="primary">
<div class="ports">
<div
v-if="node.primaryInput"
class="input port"
data-port="input"
:data-datatype="node.primaryInput"
:style="{ '--data-color': `var(--color-data-${node.primaryInput})`, '--data-color-dim': `var(--color-data-${node.primaryInput}-dim)` }"
>
<div></div>
</div>
<div
v-if="node.outputs.length > 0"
class="output port"
data-port="output"
:data-datatype="node.outputs[0]"
:style="{ '--data-color': `var(--color-data-${node.outputs[0]})`, '--data-color-dim': `var(--color-data-${node.outputs[0]}-dim)` }"
>
<div></div>
</div>
</div>
<IconLabel :icon="nodeIcon(node.displayName)" />
<TextLabel>{{ node.displayName }}</TextLabel>
</div>
<div v-if="node.exposedInputs.length > 0" class="arguments">
<div v-for="(argument, index) in node.exposedInputs" :key="index" class="argument">
<div class="ports">
<div
class="input port"
data-port="input"
:data-datatype="argument.dataType"
:style="{ '--data-color': `var(--color-data-${argument.dataType})`, '--data-color-dim': `var(--color-data-${argument.dataType}-dim)` }"
>
<div></div>
</div>
</div>
<TextLabel>{{ argument.name }}</TextLabel>
</div>
</div>
</div>
</div>
<div
class="wires"
:style="{
transform: `scale(${transform.scale}) translate(${transform.x}px, ${transform.y}px)`,
transformOrigin: `0 0`,
}"
>
<svg>
<path
v-for="([pathString, dataType], index) in linkPaths"
:key="index"
:d="pathString"
:style="{ '--data-color': `var(--color-data-${dataType})`, '--data-color-dim': `var(--color-data-${dataType}-dim)` }"
/>
</svg>
</div>
</LayoutRow>
</LayoutCol>
</template>
<style lang="scss">
.node-graph {
height: 100%;
position: relative;
.node-list {
width: max-content;
position: fixed;
padding: 5px;
z-index: 3;
background-color: var(--color-3-darkgray);
.text-button + .text-button {
margin-left: 0;
margin-top: 4px;
}
}
.options-bar {
height: 32px;
margin: 0 4px;
flex: 0 0 auto;
align-items: center;
.widget-layout {
flex-direction: row;
flex-grow: 1;
justify-content: space-between;
}
}
.graph {
position: relative;
background: var(--color-2-mildblack);
width: calc(100% - 8px);
margin-left: 4px;
margin-bottom: 4px;
border-radius: 2px;
overflow: hidden;
// We're displaying the dotted grid in a pseudo-element because `image-rendering` is an inherited property and we don't want it to apply to child elements
&::before {
content: "";
position: absolute;
width: 100%;
height: 100%;
background-size: var(--grid-spacing) var(--grid-spacing);
background-position: calc(var(--grid-offset-x) - var(--dot-radius)) calc(var(--grid-offset-y) - var(--dot-radius));
background-image: radial-gradient(circle at var(--dot-radius) var(--dot-radius), var(--color-3-darkgray) var(--dot-radius), transparent 0);
image-rendering: pixelated;
mix-blend-mode: screen;
}
}
.nodes,
.wires {
position: absolute;
width: 100%;
height: 100%;
&.wires {
width: 100%;
height: 100%;
pointer-events: none;
svg {
width: 100%;
height: 100%;
overflow: visible;
path {
fill: none;
// stroke: var(--color-data-raster-dim);
stroke: var(--data-color-dim);
stroke-width: 2px;
}
}
}
&.nodes {
.node {
position: absolute;
display: flex;
flex-direction: column;
min-width: 120px;
border-radius: 4px;
background: var(--color-4-dimgray);
left: calc((var(--offset-left) + 0.5) * 24px);
top: calc((var(--offset-top) - 0.5) * 24px);
&.selected {
border: 1px solid var(--color-e-nearwhite);
margin: -1px;
}
&.disabled {
background: var(--color-3-darkgray);
color: var(--color-a-softgray);
.icon-label {
fill: var(--color-a-softgray);
}
}
&.output {
outline: 3px solid var(--color-data-vector);
}
.primary {
display: flex;
align-items: center;
position: relative;
gap: 4px;
width: 100%;
height: 24px;
background: var(--color-5-dullgray);
border-radius: 4px;
.icon-label {
margin-left: 4px;
}
.text-label {
margin-right: 4px;
}
}
.arguments {
display: flex;
flex-direction: column;
width: 100%;
position: relative;
.argument {
position: relative;
display: flex;
align-items: center;
height: 24px;
width: 100%;
margin-left: 24px;
margin-right: 24px;
}
// Squares to cover up the rounded corners of the primary area and make them have a straight edge
&::before,
&::after {
content: "";
position: absolute;
background: var(--color-5-dullgray);
width: 4px;
height: 4px;
top: -4px;
}
&::before {
left: 0;
}
&::after {
right: 0;
}
}
.ports {
position: absolute;
width: 100%;
height: 100%;
.port {
position: absolute;
margin: auto 0;
top: 0;
bottom: 0;
width: 12px;
height: 12px;
border-radius: 50%;
background: var(--data-color-dim);
// background: var(--color-data-raster-dim);
div {
background: var(--data-color);
// background: var(--color-data-raster);
width: 8px;
height: 8px;
border-radius: 50%;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
}
&.input {
left: calc(-12px - 6px);
}
&.output {
right: calc(-12px - 6px);
}
}
}
}
}
}
}
</style>
<script lang="ts">
import { defineComponent, nextTick } from "vue";
// import type { FrontendNode } from "@/wasm-communication/messages";
import type { IconName } from "@/utility-functions/icons";
import { UpdateNodeGraphSelection, type FrontendNodeLink } from "@/wasm-communication/messages";
import LayoutCol from "@/components/layout/LayoutCol.vue";
import LayoutRow from "@/components/layout/LayoutRow.vue";
import TextButton from "@/components/widgets/buttons/TextButton.vue";
import TextInput from "@/components/widgets/inputs/TextInput.vue";
import IconLabel from "@/components/widgets/labels/IconLabel.vue";
import TextLabel from "@/components/widgets/labels/TextLabel.vue";
import WidgetLayout from "@/components/widgets/WidgetLayout.vue";
const WHEEL_RATE = (1 / 600) * 3;
const GRID_COLLAPSE_SPACING = 10;
const GRID_SIZE = 24;
export default defineComponent({
inject: ["nodeGraph", "editor"],
data() {
return {
transform: { scale: 1, x: 0, y: 0 },
panning: false,
selected: [] as bigint[],
draggingNodes: undefined as { startX: number; startY: number; roundX: number; roundY: number } | undefined,
selectIfNotDragged: undefined as undefined | bigint,
linkInProgressFromConnector: undefined as HTMLDivElement | undefined,
linkInProgressToConnector: undefined as HTMLDivElement | DOMRect | undefined,
disconnecting: undefined as { nodeId: bigint; inputIndex: number; linkIndex: number } | undefined,
nodeLinkPaths: [] as [string, string][],
searchTerm: "",
nodeListLocation: undefined as { x: number; y: number } | undefined,
};
},
computed: {
gridSpacing(): number {
const dense = this.transform.scale * GRID_SIZE;
let sparse = dense;
while (sparse > 0 && sparse < GRID_COLLAPSE_SPACING) {
sparse *= 2;
}
return sparse;
},
dotRadius(): number {
return 1 + Math.floor(this.transform.scale - 0.5 + 0.001) / 2;
},
nodes() {
return this.nodeGraph.state.nodes;
},
nodeGraphBarLayout() {
return this.nodeGraph.state.nodeGraphBarLayout;
},
nodeCategories() {
const categories = new Map();
this.nodeGraph.state.nodeTypes.forEach((node) => {
if (this.searchTerm.length && !node.name.toLowerCase().includes(this.searchTerm.toLowerCase()) && !node.category.toLowerCase().includes(this.searchTerm.toLowerCase())) return;
const category = categories.get(node.category);
if (category) category.push(node);
else categories.set(node.category, [node]);
});
const result = Array.from(categories);
return result;
},
nodeListX() {
return ((this.nodeListLocation?.x || 0) * GRID_SIZE + this.transform.x) * this.transform.scale;
},
nodeListY() {
return ((this.nodeListLocation?.y || 0) * GRID_SIZE + this.transform.y) * this.transform.scale;
},
linkPathInProgress(): [string, string] | undefined {
if (this.linkInProgressFromConnector && this.linkInProgressToConnector) {
return this.createWirePath(this.linkInProgressFromConnector, this.linkInProgressToConnector, false, false);
}
return undefined;
},
linkPaths(): [string, string][] {
const linkPathInProgress = this.linkPathInProgress ? [this.linkPathInProgress] : [];
return [...linkPathInProgress, ...this.nodeLinkPaths];
},
},
watch: {
nodes: {
immediate: true,
async handler() {
this.selected = this.selected.filter((id) => this.nodeGraph.state.nodes.find((node) => node.id === id));
await this.refreshLinks();
},
},
},
methods: {
resolveLink(link: FrontendNodeLink, containerBounds: HTMLDivElement): { nodePrimaryOutput: HTMLDivElement | undefined; nodePrimaryInput: HTMLDivElement | undefined } {
const connectorIndex = Number(link.linkEndInputIndex);
const nodePrimaryOutput = (containerBounds.querySelector(`[data-node="${String(link.linkStart)}"] [data-port="output"]`) || undefined) as HTMLDivElement | undefined;
const nodeInputConnectors = containerBounds.querySelectorAll(`[data-node="${String(link.linkEnd)}"] [data-port="input"]`) || undefined;
const nodePrimaryInput = nodeInputConnectors?.[connectorIndex] as HTMLDivElement | undefined;
return { nodePrimaryOutput, nodePrimaryInput };
},
async refreshLinks(): Promise<void> {
await nextTick();
const containerBounds = this.$refs.nodesContainer as HTMLDivElement | undefined;
if (!containerBounds) return;
const links = this.nodeGraph.state.links;
this.nodeLinkPaths = links.flatMap((link, index) => {
const { nodePrimaryInput, nodePrimaryOutput } = this.resolveLink(link, containerBounds);
if (!nodePrimaryInput || !nodePrimaryOutput) return [];
if (this.disconnecting?.linkIndex === index) return [];
return [this.createWirePath(nodePrimaryOutput, nodePrimaryInput.getBoundingClientRect(), false, false)];
});
},
nodeIcon(nodeName: string): IconName {
const iconMap: Record<string, IconName> = {
Output: "NodeOutput",
Imaginate: "NodeImaginate",
"Hue Shift Image": "NodeColorCorrection",
"Brighten Image": "NodeColorCorrection",
"Grayscale Image": "NodeColorCorrection",
};
return iconMap[nodeName] || "NodeNodes";
},
buildWirePathLocations(outputBounds: DOMRect, inputBounds: DOMRect, verticalOut: boolean, verticalIn: boolean): { x: number; y: number }[] {
const containerBounds = (this.$refs.nodesContainer as HTMLDivElement | undefined)?.getBoundingClientRect();
if (!containerBounds) return [];
const outX = verticalOut ? outputBounds.x + outputBounds.width / 2 : outputBounds.x + outputBounds.width - 1;
const outY = verticalOut ? outputBounds.y + 1 : outputBounds.y + outputBounds.height / 2;
const outConnectorX = (outX - containerBounds.x) / this.transform.scale;
const outConnectorY = (outY - containerBounds.y) / this.transform.scale;
const inX = verticalIn ? inputBounds.x + inputBounds.width / 2 : inputBounds.x + 1;
const inY = verticalIn ? inputBounds.y + inputBounds.height - 1 : inputBounds.y + inputBounds.height / 2;
const inConnectorX = (inX - containerBounds.x) / this.transform.scale;
const inConnectorY = (inY - containerBounds.y) / this.transform.scale;
const horizontalGap = Math.abs(outConnectorX - inConnectorX);
const verticalGap = Math.abs(outConnectorY - inConnectorY);
const curveLength = 200;
const curveFalloffRate = curveLength * Math.PI * 2;
const horizontalCurveAmount = -(2 ** ((-10 * horizontalGap) / curveFalloffRate)) + 1;
const verticalCurveAmount = -(2 ** ((-10 * verticalGap) / curveFalloffRate)) + 1;
const horizontalCurve = horizontalCurveAmount * curveLength;
const verticalCurve = verticalCurveAmount * curveLength;
return [
{ x: outConnectorX, y: outConnectorY },
{ x: verticalOut ? outConnectorX : outConnectorX + horizontalCurve, y: verticalOut ? outConnectorY - verticalCurve : outConnectorY },
{ x: verticalIn ? inConnectorX : inConnectorX - horizontalCurve, y: verticalIn ? inConnectorY + verticalCurve : inConnectorY },
{ x: inConnectorX, y: inConnectorY },
];
},
buildWirePathString(outputBounds: DOMRect, inputBounds: DOMRect, verticalOut: boolean, verticalIn: boolean): string {
const locations = this.buildWirePathLocations(outputBounds, inputBounds, verticalOut, verticalIn);
if (locations.length === 0) return "[error]";
return `M${locations[0].x},${locations[0].y} C${locations[1].x},${locations[1].y} ${locations[2].x},${locations[2].y} ${locations[3].x},${locations[3].y}`;
},
createWirePath(outputPort: HTMLDivElement, inputPort: HTMLDivElement | DOMRect, verticalOut: boolean, verticalIn: boolean): [string, string] {
const inputPortRect = inputPort instanceof HTMLDivElement ? inputPort.getBoundingClientRect() : inputPort;
const pathString = this.buildWirePathString(outputPort.getBoundingClientRect(), inputPortRect, verticalOut, verticalIn);
const dataType = outputPort.getAttribute("data-datatype") || "general";
return [pathString, dataType];
},
scroll(e: WheelEvent) {
const scrollX = e.deltaX;
const scrollY = e.deltaY;
// Zoom
if (e.ctrlKey) {
let zoomFactor = 1 + Math.abs(scrollY) * WHEEL_RATE;
if (scrollY > 0) zoomFactor = 1 / zoomFactor;
const graphDiv: HTMLDivElement | undefined = (this.$refs.graph as typeof LayoutCol | undefined)?.$el;
if (!graphDiv) return;
const { x, y, width, height } = graphDiv.getBoundingClientRect();
this.transform.scale *= zoomFactor;
const newViewportX = width / zoomFactor;
const newViewportY = height / zoomFactor;
const deltaSizeX = width - newViewportX;
const deltaSizeY = height - newViewportY;
const deltaX = deltaSizeX * ((e.x - x) / width);
const deltaY = deltaSizeY * ((e.y - y) / height);
this.transform.x -= (deltaX / this.transform.scale) * zoomFactor;
this.transform.y -= (deltaY / this.transform.scale) * zoomFactor;
// Prevent actually zooming into the page when pinch-zooming on laptop trackpads
e.preventDefault();
}
// Pan
else if (!e.shiftKey) {
this.transform.x -= scrollX / this.transform.scale;
this.transform.y -= scrollY / this.transform.scale;
} else {
this.transform.x -= scrollY / this.transform.scale;
}
},
keydown(e: KeyboardEvent): void {
if (e.key.toLowerCase() === "escape") {
this.nodeListLocation = undefined;
document.removeEventListener("keydown", this.keydown);
}
},
// TODO: Move the event listener from the graph to the window so dragging outside the graph area (or even the browser window) works
pointerDown(e: PointerEvent) {
// Exit the add node popup by clicking elsewhere in the graph
if (this.nodeListLocation && !(e.target as HTMLElement).closest("[data-node-list]")) this.nodeListLocation = undefined;
// Handle the add node popup on right click
if (e.button === 2) {
const graphDiv: HTMLDivElement | undefined = (this.$refs.graph as typeof LayoutCol | undefined)?.$el;
const graph = graphDiv?.getBoundingClientRect() || new DOMRect();
this.nodeListLocation = {
x: Math.round(((e.clientX - graph.x) / this.transform.scale - this.transform.x) / GRID_SIZE),
y: Math.round(((e.clientY - graph.y) / this.transform.scale - this.transform.y) / GRID_SIZE),
};
document.addEventListener("keydown", this.keydown);
return;
}
const port = (e.target as HTMLDivElement).closest("[data-port]") as HTMLDivElement;
const node = (e.target as HTMLElement).closest("[data-node]") as HTMLElement | undefined;
const nodeId = node?.getAttribute("data-node") || undefined;
const nodeList = (e.target as HTMLElement).closest("[data-node-list]") as HTMLElement | undefined;
const containerBounds = this.$refs.nodesContainer as HTMLDivElement | undefined;
if (!containerBounds) return;
// If the user is clicking on the add nodes list, exit here
if (nodeList) return;
if (e.altKey && nodeId) {
this.editor.instance.togglePreview(BigInt(nodeId));
}
// Clicked on a port dot
if (port && node) {
const isOutput = Boolean(port.getAttribute("data-port") === "output");
if (isOutput) this.linkInProgressFromConnector = port;
else {
const inputNodeInPorts = Array.from(node.querySelectorAll(`[data-port="input"]`));
const inputNodeConnectionIndexSearch = inputNodeInPorts.indexOf(port);
const inputIndex = inputNodeConnectionIndexSearch > -1 ? inputNodeConnectionIndexSearch : undefined;
// Set the link to draw from the input that a previous link was on
if (inputIndex !== undefined && nodeId) {
const nodeIdInt = BigInt(nodeId);
const inputIndexInt = BigInt(inputIndex);
const links = this.nodeGraph.state.links;
const linkIndex = links.findIndex((value) => value.linkEnd === nodeIdInt && value.linkEndInputIndex === inputIndexInt);
const queryString = `[data-node="${String(links[linkIndex].linkStart)}"] [data-port="output"]`;
this.linkInProgressFromConnector = (containerBounds.querySelector(queryString) || undefined) as HTMLDivElement | undefined;
const nodeInputConnectors = containerBounds.querySelectorAll(`[data-node="${String(links[linkIndex].linkEnd)}"] [data-port="input"]`) || undefined;
this.linkInProgressToConnector = nodeInputConnectors?.[Number(links[linkIndex].linkEndInputIndex)] as HTMLDivElement | undefined;
this.disconnecting = { nodeId: nodeIdInt, inputIndex, linkIndex };
this.refreshLinks();
}
}
return;
}
// Clicked on a node
if (nodeId) {
let modifiedSelected = false;
const id = BigInt(nodeId);
if (e.shiftKey || e.ctrlKey) {
modifiedSelected = true;
if (this.selected.includes(id)) this.selected.splice(this.selected.lastIndexOf(id), 1);
else this.selected.push(id);
} else if (!this.selected.includes(id)) {
modifiedSelected = true;
this.selected = [id];
} else {
this.selectIfNotDragged = id;
}
if (this.selected.includes(id)) {
this.draggingNodes = { startX: e.x, startY: e.y, roundX: 0, roundY: 0 };
}
if (modifiedSelected) this.editor.instance.selectNodes(new BigUint64Array(this.selected));
return;
}
// Clicked on the graph background
this.panning = true;
if (this.selected.length !== 0) {
this.selected = [];
this.editor.instance.selectNodes(new BigUint64Array(this.selected));
}
},
doubleClick(e: MouseEvent) {
const node = (e.target as HTMLElement).closest("[data-node]") as HTMLElement | undefined;
const nodeId = node?.getAttribute("data-node") || undefined;
if (nodeId) {
const id = BigInt(nodeId);
this.editor.instance.doubleClickNode(id);
}
},
pointerMove(e: PointerEvent) {
if (this.panning) {
this.transform.x += e.movementX / this.transform.scale;
this.transform.y += e.movementY / this.transform.scale;
} else if (this.linkInProgressFromConnector) {
const target = e.target as Element | undefined;
const dot = (target?.closest(`[data-port="input"]`) || undefined) as HTMLDivElement | undefined;
if (dot) {
this.linkInProgressToConnector = dot;
} else {
this.linkInProgressToConnector = new DOMRect(e.x, e.y);
}
} else if (this.draggingNodes) {
const deltaX = Math.round((e.x - this.draggingNodes.startX) / this.transform.scale / GRID_SIZE);
const deltaY = Math.round((e.y - this.draggingNodes.startY) / this.transform.scale / GRID_SIZE);
if (this.draggingNodes.roundX !== deltaX || this.draggingNodes.roundY !== deltaY) {
this.draggingNodes.roundX = deltaX;
this.draggingNodes.roundY = deltaY;
this.refreshLinks();
}
}
},
pointerUp(e: PointerEvent) {
const containerBounds = this.$refs.nodesContainer as HTMLDivElement | undefined;
if (!containerBounds) return;
this.panning = false;
if (this.disconnecting) {
this.editor.instance.disconnectNodes(BigInt(this.disconnecting.nodeId), this.disconnecting.inputIndex);
}
this.disconnecting = undefined;
if (this.linkInProgressToConnector instanceof HTMLDivElement && this.linkInProgressFromConnector) {
const outputNode = this.linkInProgressFromConnector.closest("[data-node]");
const inputNode = this.linkInProgressToConnector.closest("[data-node]");
const outputConnectedNodeID = outputNode?.getAttribute("data-node") ?? undefined;
const inputConnectedNodeID = inputNode?.getAttribute("data-node") ?? undefined;
if (outputNode && inputNode && outputConnectedNodeID && inputConnectedNodeID) {
const inputNodeInPorts = Array.from(inputNode.querySelectorAll(`[data-port="input"]`));
const inputNodeConnectionIndexSearch = inputNodeInPorts.indexOf(this.linkInProgressToConnector);
const inputNodeConnectionIndex = inputNodeConnectionIndexSearch > -1 ? inputNodeConnectionIndexSearch : undefined;
if (inputNodeConnectionIndex !== undefined) {
// const oneBasedIndex = inputNodeConnectionIndex + 1;
this.editor.instance.connectNodesByLink(BigInt(outputConnectedNodeID), BigInt(inputConnectedNodeID), inputNodeConnectionIndex);
}
}
} else if (this.draggingNodes) {
if (this.draggingNodes.startX === e.x || this.draggingNodes.startY === e.y) {
if (this.selectIfNotDragged !== undefined && (this.selected.length !== 1 || this.selected[0] !== this.selectIfNotDragged)) {
this.selected = [this.selectIfNotDragged];
this.editor.instance.selectNodes(new BigUint64Array(this.selected));
}
}
if (this.selected.length > 0 && this.draggingNodes.roundX !== 0 && this.draggingNodes.roundY !== 0)
this.editor.instance.moveSelectedNodes(this.draggingNodes.roundX, this.draggingNodes.roundY);
// Check if this node should be inserted between two other nodes
if (this.selected.length === 1) {
const selectedNodeId = this.selected[0];
const selectedNode = containerBounds.querySelector(`[data-node="${String(selectedNodeId)}"]`);
// Check that neither the input or output of the selected node are already connected.
const notConnected =
this.nodeGraph.state.links.findIndex((link) => link.linkStart === selectedNodeId || (link.linkEnd === selectedNodeId && link.linkEndInputIndex === BigInt(0))) === -1;
const input = selectedNode?.querySelector(`[data-port="input"]`);
const output = selectedNode?.querySelector(`[data-port="output"]`);
// TODO: Make sure inputs are correctly typed
if (selectedNode && notConnected && input && output) {
// Find the link that the node has been dragged on top of
const link = this.nodeGraph.state.links.find((link): boolean => {
const { nodePrimaryInput, nodePrimaryOutput } = this.resolveLink(link, containerBounds);
if (!nodePrimaryInput || !nodePrimaryOutput) return false;
const wireCurveLocations = this.buildWirePathLocations(nodePrimaryOutput.getBoundingClientRect(), nodePrimaryInput.getBoundingClientRect(), false, false);
const selectedNodeBounds = selectedNode.getBoundingClientRect();
const containerBoundsBounds = containerBounds.getBoundingClientRect();
return this.editor.instance.rectangleIntersects(
new Float64Array(wireCurveLocations.map((loc) => loc.x)),
new Float64Array(wireCurveLocations.map((loc) => loc.y)),
selectedNodeBounds.top - containerBoundsBounds.y,
selectedNodeBounds.left - containerBoundsBounds.x,
selectedNodeBounds.bottom - containerBoundsBounds.y,
selectedNodeBounds.right - containerBoundsBounds.x
);
});
// If the node has been dragged on top of the link then connect it into the middle.
if (link) {
this.editor.instance.connectNodesByLink(link.linkStart, selectedNodeId, 0);
this.editor.instance.connectNodesByLink(selectedNodeId, link.linkEnd, Number(link.linkEndInputIndex));
this.editor.instance.shiftNode(selectedNodeId);
}
}
}
this.draggingNodes = undefined;
this.selectIfNotDragged = undefined;
}
this.linkInProgressFromConnector = undefined;
this.linkInProgressToConnector = undefined;
},
createNode(nodeType: string): void {
if (!this.nodeListLocation) return;
this.editor.instance.createNode(nodeType, this.nodeListLocation.x, this.nodeListLocation.y);
this.nodeListLocation = undefined;
},
},
mounted() {
const outputPort1 = document.querySelectorAll(`[data-port="output"]`)[4] as HTMLDivElement | undefined;
const inputPort1 = document.querySelectorAll(`[data-port="input"]`)[1] as HTMLDivElement | undefined;
if (outputPort1 && inputPort1) this.createWirePath(outputPort1, inputPort1.getBoundingClientRect(), true, true);
const outputPort2 = document.querySelectorAll(`[data-port="output"]`)[6] as HTMLDivElement | undefined;
const inputPort2 = document.querySelectorAll(`[data-port="input"]`)[3] as HTMLDivElement | undefined;
if (outputPort2 && inputPort2) this.createWirePath(outputPort2, inputPort2.getBoundingClientRect(), true, false);
this.editor.subscriptions.subscribeJsMessage(UpdateNodeGraphSelection, (updateNodeGraphSelection) => {
this.selected = updateNodeGraphSelection.selected;
});
},
components: {
IconLabel,
LayoutCol,
LayoutRow,
TextLabel,
TextButton,
TextInput,
WidgetLayout,
},
});
</script>