refactor(store): add getters for selected nodes/edges

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

examples/Basic/Basic.vue

@@ -9,6 +9,7 @@ import {
   Elements,
   FlowInstance,
   addEdge,
+  isNode,
   removeElements,
 } from '~/index'
 
@@ -25,29 +26,54 @@ const edges = ref<Elements>([
   { id: 'e1-3', source: '1', target: '3' },
 ])
 const vfInstance = ref<FlowInstance>()
+const onConnect = (params: Edge | Connection) => addEdge(params, edges.value)
 const onLoad = (flowInstance: FlowInstance) => {
   flowInstance.fitView({ padding: 0.1 })
   vfInstance.value = flowInstance
 }
 
+const updatePos = () => {
+  nodes.value = nodes.value.map((el) => {
+    el.position = {
+      x: Math.random() * 400,
+      y: Math.random() * 400,
+    }
+    return el
+  })
+}
+
 const logToObject = () => console.log(vfInstance.value?.toObject())
 const resetTransform = () => vfInstance.value?.setTransform({ x: 0, y: 0, zoom: 1 })
+
+const toggleclasss = () => {
+  nodes.value = nodes.value.map((el) => {
+    if (isNode(el)) el.class = el.class === 'light' ? 'dark' : 'light'
+    return el
+  })
+}
 </script>
 <template>
   <VueFlow
+    class="vue-flow-basic-example"
     :nodes="nodes"
     :edges="edges"
-    class="vue-flow-basic-example"
     :default-zoom="1.5"
     :min-zoom="0.2"
     :max-zoom="4"
     :zoom-on-scroll="false"
+    @connect="onConnect"
     @node-drag-stop="onNodeDragStop"
     @node-click="onElementClick"
-    @load="onLoad"
+    @pane-ready="onLoad"
   >
     <Background />
     <MiniMap />
     <Controls />
+    <div style="position: absolute; right: 10px; top: 10px; z-index: 4">
+      <button style="margin-right: 5px" @click="resetTransform">reset transform</button>
+      <button style="margin-right: 5px" @click="updatePos">change pos</button>
+      <button style="margin-right: 5px" @click="toggleclasss">toggle classs</button>
+      <button @click="logToObject">toObject</button>
+    </div>
   </VueFlow>
 </template>