skywalking-booster-ui/src/views/dashboard/controls/Trace.vue

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<template>
  <div class="trace-wrapper flex-v">
    <el-popover placement="bottom" trigger="click" :width="100" v-if="dashboardStore.editMode">
      <template #reference>
        <span class="delete cp">
          <Icon iconName="ellipsis_v" size="middle" class="operation" />
        </span>
      </template>
      <div class="tools" @click="removeWidget">
        <span>{{ t("delete") }}</span>
      </div>
    </el-popover>
    <div class="header">
      <Filter :needQuery="needQuery" :data="data" @get="getService" @search="popSegmentList" />
    </div>
    <div class="trace flex-h">
      <TraceList class="trace-list" :style="`width: ${currentWidth}px;`" />
      <div
        ref="dragger"
        @mouseover="showIcon = true"
        @mousedown="mousedown($event)"
        @mouseout="showIcon = false"
        @mouseup="mouseup"
      >
        <div class="trace-line" />
        <span class="trace-icon" v-show="showIcon" @click="triggerArrow">
          <Icon class="trace-arrow" :icon-name="isLeft ? 'chevron-left' : 'chevron-right'" size="lg" />
        </span>
      </div>
      <TraceDetail :serviceId="serviceId" />
    </div>
  </div>
</template>
<script lang="ts" setup>
  import { provide, ref, onMounted, onUnmounted } from "vue";
  import type { PropType } from "vue";
  import Filter from "../related/trace/Filter.vue";
  import TraceList from "../related/trace/TraceList.vue";
  import TraceDetail from "../related/trace/Detail.vue";
  import { useI18n } from "vue-i18n";
  import { useDashboardStore } from "@/store/modules/dashboard";
  import emitter from "@/utils/mitt";

  /* global defineProps */
  const props = defineProps({
    data: {
      type: Object as PropType<any>,
      default: () => ({ graph: {} }),
    },
    activeIndex: { type: String, default: "" },
    needQuery: { type: Boolean, default: true },
  });
  provide("options", props.data);
  const defaultWidth = 280,
    minArrowLeftWidth = 120;
  const serviceId = ref<string>("");
  const { t } = useI18n();
  const dashboardStore = useDashboardStore();
  const isLeft = ref<boolean>(true);
  const showIcon = ref<boolean>(false);
  const currentWidth = ref<number>(defaultWidth);
  const isDrag = ref<boolean>(false);

  function removeWidget() {
    dashboardStore.removeControls(props.data);
  }
  function getService(id: string) {
    serviceId.value = id;
  }
  // When click the arrow, the width of the segment list is determined by the direction it points to.
  function triggerArrow() {
    currentWidth.value = isLeft.value ? 0 : defaultWidth;
    isLeft.value = !isLeft.value;
    setTimeout(() => {
      emitter.emit("traceResize", "trace-arrow");
    });
  }
  function popSegmentList() {
    if (currentWidth.value >= defaultWidth) {
      return;
    }
    currentWidth.value = defaultWidth;
    isLeft.value = true;
    emitter.emit("traceResize", "trace-search");
  }
  const mousemove = (event: MouseEvent) => {
    if (!isDrag.value) {
      return;
    }
    const diffX = event.clientX;
    let leftWidth = document.querySelector(".trace-list")!.getBoundingClientRect();
    currentWidth.value = diffX - leftWidth.left;
    isLeft.value = currentWidth.value >= minArrowLeftWidth;
    emitter.emit("traceResize", "trace-move");
  };
  const mouseup = () => {
    showIcon.value = false;
    isDrag.value = false;
  };
  const mousedown = (event: MouseEvent) => {
    if ((event.target as HTMLDivElement)?.className === "trace-line") {
      isDrag.value = true;
    }
  };
  onMounted(() => {
    document.addEventListener("mousedown", mousedown);
    document.addEventListener("mousemove", mousemove);
    document.addEventListener("mouseup", mouseup);
  });
  onUnmounted(() => {
    document.removeEventListener("mousedown", mousedown);
    document.removeEventListener("mousemove", mousemove);
    document.removeEventListener("mouseup", mouseup);
    emitter.off("traceResize");
  });
</script>
<style lang="scss" scoped>
  .trace-wrapper {
    width: 100%;
    height: 100%;
    font-size: $font-size-smaller;
    position: relative;
  }

  .delete {
    position: absolute;
    top: 5px;
    right: 3px;
  }

  .header {
    padding: 10px;
    font-size: $font-size-smaller;
    border-bottom: 1px solid $border-color;
    min-width: 1000px;
  }

  .tools {
    padding: 5px 0;
    color: #999;
    cursor: pointer;
    position: relative;
    text-align: center;

    &:hover {
      color: $active-color;
      background-color: $popper-hover-bg-color;
    }
  }

  .trace {
    min-height: calc(100% - 150px);
    width: 100%;
    overflow: auto;
    min-width: 1000px;
  }

  .trace-list {
    max-width: 480px;
  }

  .trace-line {
    position: relative;
    width: 2px;
    height: 900px;
    background-color: #e8e8e8;
    cursor: ew-resize;

    &:hover {
      color: $active-color;
      background-color: $active-background;
    }
  }

  .trace-icon {
    position: absolute;
    cursor: pointer;
    top: calc(50% - 15px);
    text-align: center;
    width: 24px;
    height: 24px;
    transform: translateX(-11px);
    line-height: 24px;
    border-radius: 50%;
    background-color: $layout-background;
    box-shadow: 0 3px 5px rgb(45 60 80 / 20%);
  }

  .trace-arrow {
    padding-bottom: 1px;
    color: $active-color;
  }
</style>