update(examples): Add validation and zoom pan helper example

2021-10-22 13:03:14 +02:00
parent babcbd0e1f
commit 8779a58bab
7 changed files with 171 additions and 1 deletions
@@ -0,0 +1,53 @@
+<script lang="ts" setup>
+import CustomInput from './CustomInput.vue'
+import CustomNode from './CustomNode.vue'
+import Flow, {
+  addEdge,
+  Handle,
+  Connection,
+  Position,
+  Elements,
+  Edge,
+  OnConnectStartParams,
+  NodeProps,
+  FlowInstance,
+  NodeType,
+} from '~/index'
+
+import './validation.css'
+
+const initialElements: Elements = [
+  { id: '0', type: 'custominput', position: { x: 0, y: 150 } },
+  { id: 'A', type: 'customnode', position: { x: 250, y: 0 } },
+  { id: 'B', type: 'customnode', position: { x: 250, y: 150 } },
+  { id: 'C', type: 'customnode', position: { x: 250, y: 300 } },
+] as Elements
+
+const onLoad = (reactFlowInstance: FlowInstance) => reactFlowInstance.fitView()
+const onConnectStart = ({ nodeId, handleType }: OnConnectStartParams) => console.log('on connect start', { nodeId, handleType })
+const onConnectStop = (event: MouseEvent) => console.log('on connect stop', event)
+const onConnectEnd = (event: MouseEvent) => console.log('on connect end', event)
+
+const elements = ref<Elements>(initialElements)
+const onConnect = (params: Connection | Edge) => {
+  console.log('on connect', params)
+  elements.value = addEdge(params, elements.value)
+}
+const nodeTypes: Record<string, NodeType> = {
+  custominput: CustomInput as NodeType,
+  customnode: CustomNode as NodeType,
+}
+</script>
+<template>
+  <Flow
+    :elements="elements"
+    :select-nodes-on-drag="false"
+    class="validationflow"
+    :node-types="nodeTypes"
+    @connect="onConnect"
+    @oad="onLoad"
+    @connect-start="onConnectStart"
+    @connect-stop="onConnectStop"
+    @connect-end="onConnectEnd"
+  />
+</template>