auto-solution/modeler/src/views/decision/communication/node.vue

<template>
  <a-dropdown :trigger="['contextmenu']" @openChange="handleVisibleChange">
    <a-card
      :class="[
        'ks-scenario-node',
        `ks-scenario-${element?.category ?? 'model'}-node`,
        `ks-scenario-group-${element?.group ?? 'general'}`
      ]"
      hoverable
    >
      <template #title>
        <a-space>
          <span class="ks-scenario-node-title">{{ element?.name ?? '-' }}</span>
        </a-space>
      </template>

      <div class="port port-in"  data-port="in-0" magnet="passive">
        <div class="triangle-left"></div>
      </div>
      <div class="w-full ks-scenario-node-text">
        <a-tooltip >
          <template #title>
            {{ element?.description ?? element?.name }}
          </template>
          <p class="ks-scenario-node-label">
            {{ substring(element?.name ?? (element?.name ?? '-'), 40) }}
          </p>
        </a-tooltip>
      </div>
      <div class="port port-out" data-port="out-0" magnet="active">
        <div class="triangle-right" ></div>
      </div>
    </a-card>

    <template #overlay>
      <a-menu @click="handleMenuClick">
        <a-menu-item key="delete">
          <template #icon>
            <DeleteOutlined />
          </template>
          删除
        </a-menu-item>
      </a-menu>
    </template>
  </a-dropdown>
</template>

<script lang="ts">
import { defineComponent, onMounted, onUnmounted, ref } from 'vue';
import { elementProps, type ModelElement } from '../graph';

import { DeleteOutlined, SettingOutlined } from '@ant-design/icons-vue';
import type { Graph } from '@antv/x6';
import { substring } from '@/utils/strings';

export default defineComponent({
  name: 'ModelElement',
  components: {
    SettingOutlined,
    DeleteOutlined,
  },
  props: elementProps,
  setup(_props) {
    const element = ref<ModelElement | null>(
      _props.node ? (_props.node.getData() as ModelElement) : null,
    );
    const updateKey = ref(0);
    const isMenuVisible = ref(false);

    // 获取画布实例
    const getGraph = (): Graph | null => {
      return _props.graph as Graph || null;
    };

    // 监听节点数据变化
    const handleDataChange = () => {
      if (_props.node) {
        element.value = _props.node.getData() as ModelElement;
      } else {
        element.value = null;
      }
      updateKey.value++;
    };

    const handleVisibleChange = (visible: boolean) => {
      isMenuVisible.value = visible;
    };

    const handleMenuClick = ({ key }: { key: string }) => {
      if (key === 'delete') {
        handleDelete();
      }
    };

    const handleDelete = () => {
      if (!_props.node) return;

      const graph = getGraph();
      if (graph) {
        try {
          // 先删除关联边
          const connectedEdges = graph.getConnectedEdges(_props.node);
          connectedEdges.forEach(edge => graph.removeEdge(edge));
          // 再删除节点
          graph.removeNode(_props.node);
          console.info(`节点 ${_props.node.id} 已删除`);
        } catch (error) {
          console.error('删除节点失败:', error);
        }
      }
      isMenuVisible.value = false;
    };

    onMounted(() => {
      _props.node?.on('change:data', handleDataChange);
    });

    onUnmounted(() => {
      _props.node?.off('change:data', handleDataChange);
    });

    return {
      element,
      substring,
      handleMenuClick,
      handleVisibleChange,
    };
  },
});
</script>

<style lang="less">
.ks-scenario-node {
  background: linear-gradient(150deg, rgba(108, 99, 255) 1%, rgba(108, 99, 255) 100%);
  border-radius: 8px;
  width: 100%;
  height: 100%;
  cursor: pointer;
  position: relative;
  background: #1e2533;
  border: 1px solid #4a7aff;

  border: 2px solid #000000;

  &:hover {
    border: 2px solid #4a7aff;
    box-shadow: 0 0 10px rgba(74, 122, 255, 0.3);
  }

  .ant-card-head {
    border: 0;
    height: 28px;
    min-height: 25px;
    border-radius: 0;
    color: #fff;
    font-size: 12px;
    font-weight: normal;
    padding: 0 20px;
    //background: linear-gradient(to bottom, #3a4c70, #2d3a56);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    background: linear-gradient(to bottom, rgba(108, 99, 255, 0.15), rgba(108, 99, 255, 0.05));
    //background: url('@/assets/icons/bg-node-head.png') center / 100% 100%;
    //background: linear-gradient(to bottom, rgb(234 234 234 / 20%), rgb(191 191 191 / 58%));
  }

  .ks-scenario-node-icon {
    width: 15px;
    height: 15px;
    display: block;
    position: absolute;
    left: 8px;
    top: 6px;
    background: url('@/assets/icons/icon-node.svg') center / 100% 100%;
  }

  .ks-scenario-node-title {
    font-size: 12px;
    color: #fff;
    margin-top: -7px;
    display: block;
  }

  .ant-card-body {
    color: #f5f5f5;
    height: calc(100% - 25px);
    border-radius: 0;
    font-size: 12px;
    padding: 10px 30px !important;
    //border-top: 1px solid rgba(108, 99, 255, 0.5);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-shadow: 0 0 10px rgba(74, 122, 255, 0.3);

    white-space: normal;      // 恢复默认的换行行为
    word-wrap: break-word;    // 允许长单词换行
    word-break: break-all;    // 允许在任意字符处换行
    line-height: 1.4;         // 增加行高提升可读性
    box-shadow: 0 0 10px rgba(74, 122, 255, 0.3);
  }


  // 连接桩容器样式
  .ks-scenario-node-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .ks-scenario-node-row {
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
    min-height: 24px;
  }

  .port {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: crosshair;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgb(108, 99, 255, 0.8);
    z-index: 10;
    magnet: true;
    position: relative;

    .triangle-left {
      width: 0;
      height: 0;
      border-top: 4px solid transparent;
      border-right: 5px solid #5da1df;
      border-bottom: 4px solid transparent;
      position: absolute;
      left: -8px;
      top: 0.5px;
      magnet: passive;
    }

    /* 右三角形 */
    .triangle-right {
      width: 0;
      height: 0;
      border-top: 4px solid transparent;
      border-left: 5px solid #5da1df;
      border-bottom: 4px solid transparent;
      position: absolute;
      right: -8px;
      top: 0.5px;
      magnet: passive;
    }

  }

  // 左侧入桩样式
  .port-in {
    //background-color: #3c82f6;
    margin-right: 8px;
    //border: 1px solid #093866;
    magnet: passive;
    box-shadow: none;
    width: 13px;
    height: 13px;
    display: block;
    //background: url('@/assets/icons/point.svg') center / 100% 100%;
    border: 2px solid #5da1df;

    position: absolute;
    //top: 7px;
    left: 10px;
    top: 50%;
  }

  .port-out {
    margin-left: 8px;
    margin-right: 5px;
    magnet: active;
    box-shadow: none;
    width: 13px;
    height: 13px;
    display: block;
    //background: url('@/assets/icons/point.svg') center / 100% 100%;
    border: 2px solid #5da1df;
    background:#5da1df;

    position: absolute;
    //right: 8px;
    //top: 7px;
    top: 50%;
    right: 6px;

  }

  // 节点文本样式
  .ks-scenario-node-name {
    flex: 1;
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    //white-space: nowrap;
  }

  &.ks-scenario-root-node{
    .ks-scenario-node-icon {
      background: url('@/assets/icons/icon-root.svg') center / 100% 100%;
    }
  }

  &.ks-scenario-action-node{
    .ant-card-head {
      background: url('@/assets/icons/card-head-red.png') center / 100% 100%;
    }
    .ks-scenario-node-icon {
      background: url('@/assets/icons/icon-action.svg') center / 100% 100%;
    }
  }

  &.ks-scenario-sequence-node{
    .ks-scenario-node-icon {
      background: url('@/assets/icons/icon-sequence.svg') center / 100% 100%;
    }
  }

  &.ks-scenario-parallel-node{
    .ks-scenario-node-icon {
      background: url('@/assets/icons/icon-parallel.svg') center / 100% 100%;
    }
  }

  &.ks-scenario-precondition-node{
    .ks-scenario-node-icon {
      background: url('@/assets/icons/icon-branch.svg') center / 100% 100%;
    }
  }

  &.ks-scenario-group-control,
  &.ks-scenario-group-condition {
    .ant-card-head{
      display:none;
    }
    .ant-card-body {
      height: calc(100%);
      border-radius: 8px;
      background: url('@/assets/icons/card-head-gray.png') center / 100% 100%;
    }

    &.ks-scenario-root-node{
      .ant-card-body {
        background: url('@/assets/icons/card-head-dark.png') center / 100% 100%;
      }
    }
    &.ks-scenario-sequence-node{
      .ant-card-body {
        background: url('@/assets/icons/card-head-green.png') center / 100% 100%;
      }
    }

    &.ks-scenario-parallel-node{
      .ant-card-body {
        background: url('@/assets/icons/card-head-blue.png') center / 100% 100%;
      }
    }

    &.ks-scenario-precondition-node{
      .ant-card-body {
        background: url('@/assets/icons/card-head-dark.png') center / 100% 100%;
      }
    }

    .port-in,
    .port-out {
      top: 40%;
    }
    .ks-scenario-node-text{
      line-height: 38px;
    }
  }

  //&.ks-scenario-precondition-node{
  //  border:0;
  //  box-shadown:none;
  //  &:hover{
  //    border:0;
  //    box-shadown:none;
  //  }
  //  background: url('@/assets/icons/lx.svg') center / 100% 100%;
  //  //transform: rotate(45deg);
  //  .ant-card-body {
  //    border: 0;
  //    box-shadow: none;
  //    height: 95px;
  //    line-height: 80px;
  //    font-size: 10px;
  //    padding: 0 !important;
  //  }
  //  .ant-card-head {
  //    display: none;
  //  }
  //
  //  .ks-scenario-node-label {
  //    width: 40px;          /* 保留原有宽度 */
  //    text-align: center;   /* 保留文字居中 */
  //    /* 核心修改：取消固定行高，重置换行相关属性 */
  //    word-wrap: break-word;/* 强制换行（兼容老旧浏览器） */
  //    word-break: break-all;/* 截断长单词/字符，确保在40px内换行 */
  //    white-space: normal;  /* 恢复默认换行规则（避免文字不换行） */
  //    /* 可选：添加行间距，提升多行可读性 */
  //    line-height: 1.4;     /* 多行时的行间距，可根据需求调整 */
  //    padding: 10px 0;      /* 上下内边距，替代原有line-height:98px的垂直居中效果 */
  //    margin: 31% auto;
  //  }
  //
  //  .port-in {
  //    left: 12px;
  //    top: 42px;
  //  }
  //
  //  .port-out {
  //    right: 6px;
  //    top: 42px;
  //  }
  //}
}
</style>