update(examples): Add Provider example

* Provider example shows usage of store outside of Flow
2021-10-22 10:00:20 +02:00
parent 0a45e09c32
commit eb9714b898
3 changed files with 123 additions and 0 deletions
@@ -0,0 +1,51 @@
+<script lang="ts" setup>
+import Sidebar from './Sidebar.vue'
+import Flow, {
+  addEdge,
+  removeElements,
+  Controls,
+  OnLoadParams,
+  FlowElement,
+  Connection,
+  Edge,
+  Elements,
+  ConnectionMode,
+  useStore,
+} from '~/index'
+
+import './provider.css'
+
+const onElementClick = (_: MouseEvent, element: FlowElement) => console.log('click', element)
+const onLoad = (reactFlowInstance: OnLoadParams) => console.log('flow loaded:', reactFlowInstance)
+
+const initialElements: Elements = [
+  { id: '1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 } },
+  { id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 100 } },
+  { id: '3', data: { label: 'Node 3' }, position: { x: 400, y: 100 } },
+  { id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 200 } },
+  { id: 'e1-2', source: '1', target: '2', animated: true },
+  { id: 'e1-3', source: '1', target: '3' },
+] as Elements
+
+useStore()
+const elements = ref<Elements>(initialElements)
+const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
+const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
+</script>
+<template>
+  <div class="providerflow">
+    <Sidebar />
+    <div class="reactflow-wrapper">
+      <Flow
+        :elements="elements"
+        :connection-mode="ConnectionMode.Loose"
+        @element-click="onElementClick"
+        @connect="onConnect"
+        @elements-remove="onElementsRemove"
+        @load="onLoad"
+      >
+        <Controls />
+      </Flow>
+    </div>
+  </div>
+</template>