feat(node-toolbar): add node-toolbar component

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

packages/node-toolbar/.eslintrc.js

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+module.exports = {
+  rules: {
+    'no-use-before-define': 0,
+    'vue/no-setup-props-destructure': 0,
+  },
+  extends: ['../../.eslintrc.js'],
+  ignorePatterns: ['!**/*'],
+}

packages/node-toolbar/README.md

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+# Vue Flow: Toolbar Component
+
+This is a toolbar component for Vue Flow.

packages/node-toolbar/package.json

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+{
+  "name": "@vue-flow/node-toolbar",
+  "version": "0.0.1",
+  "private": false,
+  "license": "MIT",
+  "author": "Burak Cakmakoglu<78412429+bcakmakoglu@users.noreply.github.com>",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/bcakmakoglu/vue-flow/packages/plugins/node-toolbar"
+  },
+  "homepage": "https://github.com/bcakmakoglu/vue-flow#readme",
+  "bugs": {
+    "url": "https://github.com/bcakmakoglu/vue-flow/issues"
+  },
+  "main": "./dist/vue-flow-plugin-node-toolbar.js",
+  "module": "./dist/vue-flow-node-toolbar.mjs",
+  "types": "./dist/index.d.ts",
+  "unpkg": "./dist/vue-flow-node-toolbar.iife.js",
+  "jsdelivr": "./dist/vue-flow-node-toolbar.iife.js",
+  "files": [
+    "dist"
+  ],
+  "sideEffects": false,
+  "scripts": {
+    "build": "vite build",
+    "types": "vue-tsc --declaration --emitDeclarationOnly && pnpm lint:dist",
+    "lint": "eslint --ext \".js,.jsx,.ts,.tsx\" --fix --ignore-path ../../.gitignore .",
+    "lint:dist": "eslint --ext \".ts,.tsx\" -c .eslintrc.js --fix ./dist",
+    "test": "exit 0"
+  },
+  "peerDependencies": {
+    "@vue-flow/core": "^1.0.0",
+    "vue": "^3.2.37"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "@vue-flow/core": "workspace:*",
+    "@vitejs/plugin-vue": "^3.2.0",
+    "unplugin-auto-import": "^0.12.0",
+    "vite": "^3.2.5",
+    "vite-plugin-vue-type-imports": "0.2.0",
+    "vue-tsc": "^1.0.11"
+  },
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  }
+}

packages/node-toolbar/src/NodeToolbar.vue

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+<script lang="ts" setup>
+import { computed, inject } from 'vue'
+import type { GraphNode, Rect, ViewpaneTransform } from '@vue-flow/core'
+import { NodeIdInjection, Position, getRectOfNodes, useVueFlow } from '@vue-flow/core'
+
+import type { CSSProperties } from 'vue'
+import type { NodeToolbarProps } from './types'
+
+const props = withDefaults(defineProps<NodeToolbarProps>(), {
+  position: Position.Top,
+  offset: 10,
+})
+
+const contextNodeId = inject(NodeIdInjection, null)
+
+const { viewportRef, viewport, getSelectedNodes, findNode } = useVueFlow()
+
+function getTransform(nodeRect: Rect, transform: ViewpaneTransform, position: Position, offset: number): string {
+  // position === Position.Top
+  let xPos = (nodeRect.x + nodeRect.width / 2) * transform.zoom + transform.x
+  let yPos = nodeRect.y * transform.zoom + transform.y - offset
+  let xShift = -50
+  let yShift = -100
+
+  switch (position) {
+    case Position.Right:
+      xPos = (nodeRect.x + nodeRect.width) * transform.zoom + transform.x + offset
+      yPos = (nodeRect.y + nodeRect.height / 2) * transform.zoom + transform.y
+      xShift = 0
+      yShift = -50
+      break
+    case Position.Bottom:
+      yPos = (nodeRect.y + nodeRect.height) * transform.zoom + transform.y + offset
+      yShift = 0
+      break
+    case Position.Left:
+      xPos = nodeRect.x * transform.zoom + transform.x - offset
+      yPos = (nodeRect.y + nodeRect.height / 2) * transform.zoom + transform.y
+      xShift = -100
+      yShift = -50
+      break
+  }
+
+  return `translate(${xPos}px, ${yPos}px) translate(${xShift}%, ${yShift}%)`
+}
+
+const nodes = computed(() => {
+  const nodeIds = Array.isArray(props.nodeId) ? props.nodeId : [props.nodeId || contextNodeId || '']
+
+  return nodeIds.reduce<GraphNode[]>((acc, id) => {
+    const node = findNode(id)
+
+    if (node) {
+      acc.push(node)
+    }
+
+    return acc
+  }, [] as GraphNode[])
+})
+
+const isActive = computed(() =>
+  typeof props.isVisible === 'boolean'
+    ? props.isVisible
+    : nodes.value.length === 1 && nodes.value[0].selected && getSelectedNodes.value.length === 1,
+)
+
+const nodeRect = computed<Rect>(() => getRectOfNodes(nodes.value))
+
+const zIndex = computed<number>(() => Math.max(...nodes.value.map((node) => (node.computedPosition.z || 1) + 1)))
+
+const wrapperStyle = computed<CSSProperties>(() => ({
+  position: 'absolute',
+  transform: getTransform(nodeRect.value, viewport.value, props.position, props.offset),
+  zIndex: zIndex.value,
+}))
+</script>
+
+<script lang="ts">
+export default {
+  name: 'NodeToolbar',
+  inheritAttrs: false,
+}
+</script>
+
+<template>
+  <Teleport :to="viewportRef">
+    <div v-if="isActive && nodes.length" v-bind="$attrs" :style="wrapperStyle" class="vue-flow__node-toolbar">
+      <slot />
+    </div>
+  </Teleport>
+</template>

packages/node-toolbar/src/index.ts

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+export * from './types'
+export { default as NodeToolbar } from './NodeToolbar.vue'

packages/node-toolbar/src/types.ts

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+import type { Position } from '@vue-flow/core'
+
+export interface NodeToolbarProps {
+  nodeId?: string | string[]
+  isVisible?: boolean
+  position?: Position
+  offset?: number
+}

packages/node-toolbar/tsconfig.json

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+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "module": "ESNext",
+    "target": "es2017",
+    "lib": [
+      "DOM",
+      "ESNext"
+    ],
+    "strict": true,
+    "esModuleInterop": true,
+    "incremental": false,
+    "skipLibCheck": true,
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "noUnusedLocals": false,
+    "strictNullChecks": true,
+    "forceConsistentCasingInFileNames": true,
+    "declaration": true,
+    "declarationDir": "./dist",
+    "emitDeclarationOnly": true,
+    "types": [],
+  },
+  "include": [
+    "./src",
+  ],
+  "exclude": [
+    "node_modules",
+    "dist"
+  ]
+}

packages/node-toolbar/vite.config.ts

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+import { resolve } from 'path'
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+import AutoImport from 'unplugin-auto-import/vite'
+import vueTypes from 'vite-plugin-vue-type-imports'
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  resolve: {
+    extensions: ['.ts', '.vue'],
+  },
+  build: {
+    emptyOutDir: false,
+    lib: {
+      formats: ['es', 'cjs', 'iife'],
+      entry: resolve(__dirname, 'src/index.ts'),
+      fileName: 'vue-flow-node-toolbar',
+      name: 'vueFlowNodeToolbar',
+    },
+    rollupOptions: {
+      // make sure to externalize deps that shouldn't be bundled
+      // into your library
+      external: ['vue', '@vue-flow/core'],
+      output: {
+        dir: './dist',
+        // Provide global variables to use in the UMD build
+        // for externalized deps
+        globals: {
+          'vue': 'Vue',
+          '@vue-flow/core': 'VueFlow',
+        },
+      },
+    },
+  },
+  plugins: [
+    vue({
+      reactivityTransform: true,
+    }),
+    vueTypes(),
+    AutoImport({
+      imports: ['vue', 'vue/macros'],
+      dts: 'src/auto-imports.d.ts',
+    }),
+  ],
+})