src/views/dashboard/panel/Layout.vue

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<template>
  <grid-layout
    v-if="dashboardStore.layout.length"
    v-model:layout="dashboardStore.layout"
    :col-num="24"
    :row-height="10"
    :is-draggable="dashboardStore.editMode"
    :is-resizable="dashboardStore.editMode"
    v-loading.fullscreen.lock="loading"
    element-loading-text="Loading..."
    element-loading-background="rgba(122, 122, 122, 0.8)"
  >
    <grid-item
      v-for="item in dashboardStore.layout"
      :x="item.x"
      :y="item.y"
      :w="item.w"
      :h="item.h"
      :i="item.i"
      :key="item.id"
      @click="clickGrid(item, $event)"
      :class="{ active: dashboardStore.activedGridItem === item.i }"
      :drag-ignore-from="dragIgnoreFrom"
    >
      <component :is="item.type" :data="item" :metricsValues="metricsValues" />
    </grid-item>
  </grid-layout>
  <div class="no-data-tips" v-else>{{ t("noWidget") }}</div>
</template>
<script lang="ts">
  import { defineComponent, onBeforeUnmount, watch, ref } from "vue";
  import { useI18n } from "vue-i18n";
  import { useAppStoreWithOut } from "@/store/modules/app";
  import { useDashboardStore } from "@/store/modules/dashboard";
  import { useSelectorStore } from "@/store/modules/selectors";
  import type { LayoutConfig } from "@/types/dashboard";
  import controls from "../controls/index";
  import { dragIgnoreFrom, ListChartTypes, WidgetType } from "../data";
  import { useDashboardQueryProcessor } from "@/hooks/useExpressionsProcessor";
  import { EntityType } from "../data";

  export default defineComponent({
    name: "Layout",
    components: { ...controls },
    setup() {
      const { t } = useI18n();
      const appStore = useAppStoreWithOut();
      const dashboardStore = useDashboardStore();
      const selectorStore = useSelectorStore();
      const metricsValues = ref();
      const loading = ref<boolean>(false);

      function clickGrid(item: LayoutConfig, event: Event) {
        dashboardStore.activeGridItem(item.i);
        dashboardStore.selectWidget(item);
        if (
          item.type === WidgetType.Tab &&
          !["operations", "tab-layout"].includes((event.target as HTMLDivElement)?.className) &&
          (event.target as HTMLDivElement)?.classList[2] !== "icon-tool" &&
          (event.target as HTMLDivElement)?.nodeName !== "use"
        ) {
          dashboardStore.setActiveTabIndex(0);
        }
      }
      async function queryMetrics() {
        const widgets: LayoutConfig[] = [];
        for (const item of dashboardStore.layout) {
          if (item.type === WidgetType.Widget) {
            if (!ListChartTypes.includes(item.graph?.type || "")) {
              widgets.push(item);
            }
          }
          if (item.type === WidgetType.Tab) {
            const index = isNaN(item.activedTabIndex) ? 0 : item.activedTabIndex;
            widgets.push(
              ...item.children[index].children.filter(
                (d: LayoutConfig) => d.type === WidgetType.Widget && !ListChartTypes.includes(d.graph?.type || ""),
              ),
            );
          }
        }
        const configList = widgets.map((d: LayoutConfig) => ({
          metrics: d.expressions || [],
          metricConfig: d.metricConfig || [],
          id: d.i,
        }));
        if (!widgets.length) {
          return {};
        }
        loading.value = true;
        metricsValues.value = (await useDashboardQueryProcessor(configList)) || {};
        loading.value = false;
      }
      async function queryTabsMetrics() {
        const configList = dashboardStore.currentTabItems
          .filter(
            (item: LayoutConfig) => item.type === WidgetType.Widget && !ListChartTypes.includes(item.graph?.type || ""),
          )
          .map((d: LayoutConfig) => ({
            metrics: d.expressions || [],
            metricConfig: d.metricConfig || [],
            id: d.i,
          }));
        if (!configList.length) {
          return {};
        }
        loading.value = true;
        metricsValues.value = (await useDashboardQueryProcessor(configList)) || {};
        loading.value = false;
      }

      onBeforeUnmount(() => {
        dashboardStore.setLayout([]);
        selectorStore.setCurrentService(null);
        selectorStore.setCurrentPod(null);
        dashboardStore.setEntity("");
        dashboardStore.setConfigPanel(false);
      });

      watch(
        () => [selectorStore.currentService, selectorStore.currentDestService],
        () => {
          if ([EntityType[0].value, EntityType[4].value].includes(dashboardStore.entity)) {
            queryMetrics();
          }
        },
      );
      watch(
        () => [selectorStore.currentPod, selectorStore.currentDestPod],
        () => {
          if ([EntityType[0].value, EntityType[7].value, EntityType[8].value].includes(dashboardStore.entity)) {
            return;
          }
          queryMetrics();
        },
      );
      watch(
        () => [selectorStore.currentProcess, selectorStore.currentDestProcess],
        () => {
          if ([EntityType[7].value, EntityType[8].value].includes(dashboardStore.entity)) {
            queryMetrics();
          }
        },
      );
      watch(
        () => [appStore.durationTime, dashboardStore.layout],
        () => {
          if (dashboardStore.entity === EntityType[1].value) {
            queryMetrics();
          }
        },
      );
      watch(
        () => dashboardStore.currentTabItems,
        () => {
          queryTabsMetrics();
        },
      );
      return {
        dashboardStore,
        clickGrid,
        t,
        dragIgnoreFrom,
        metricsValues,
        loading,
      };
    },
  });
</script>
<style lang="scss" scoped>
  .vue-grid-layout {
    background: $layout-background;
    height: auto !important;
  }

  .vue-grid-item:not(.vue-grid-placeholder) {
    background-color: $theme-background;
    box-shadow: 0 0 3px 0 $box-shadow-color;
    border-radius: 3px;
  }

  .vue-grid-item.active {
    border: 1px solid var(--sw-grid-item-active);
  }

  .no-data-tips {
    width: 100%;
    text-align: center;
    font-size: $font-size-normal;
    padding-top: 30px;
    color: #888;
  }
</style>