refactor: resource delete

frontend/src/views/dashboard/common/ResourceTree.vue

@@ -158,7 +158,7 @@ const afterTreeInit = () => {
 }
 
 const copyLoading = ref(false)
-const emit = defineEmits(['nodeClick'])
+const emit = defineEmits(['nodeClick', 'deleteCurResource'])
 
 function createNewObject() {
   addOperation({ opt: 'newLeaf' })
@@ -230,7 +230,8 @@ const operation = (opt: string, data: SQTreeNode) => {
       dashboardApi.delete_resource({ id: data.id }).then(() => {
         ElMessage.success(t('dashboard.delete_success'))
         getTree()
-        dashboardStore.setCurComponent(null)
+        dashboardStore.canvasDataInit()
+        emit('deleteCurResource')
       })
     })
   } else if (opt === 'rename') {

frontend/src/views/dashboard/preview/SQPreviewShow.vue

@@ -48,6 +48,13 @@ const mounted = computed(() => {
 function createNew() {
   resourceTreeRef.value?.createNewObject()
 }
+
+const stateInit = () => {
+  state.canvasDataPreview = []
+  state.canvasStylePreview = {}
+  state.canvasViewInfoPreview = {}
+  state.dashboardInfo = {}
+}
 const loadCanvasData = (params: any) => {
   dataInitState.value = false
   load_resource_prepare(
@@ -100,6 +107,7 @@ defineExpose({
         :cur-canvas-type="'dashboard'"
         :show-position="showPosition"
         @node-click="resourceNodeClick"
+        @delete-cur-resource="stateInit"
       />
     </el-aside>
     <el-container