nocodb/packages/nc-gui/components/erd/RelationEdge.vue

<script setup>
import { getBezierPath } from '@braks/vue-flow'
import { computed } from 'vue'

const props = defineProps({
  id: {
    type: String,
    required: true,
  },
  sourceX: {
    type: Number,
    required: true,
  },
  sourceY: {
    type: Number,
    required: true,
  },
  targetX: {
    type: Number,
    required: true,
  },
  targetY: {
    type: Number,
    required: true,
  },
  sourcePosition: {
    type: String,
    required: true,
  },
  targetPosition: {
    type: String,
    required: true,
  },
  data: {
    type: Object,
    required: false,
  },
  markerEnd: {
    type: String,
    required: false,
  },
  style: {
    type: Object,
    required: false,
  },
  sourceHandleId: {
    type: String,
    required: false,
  },
  targetHandleId: {
    type: String,
    required: false,
  },
})

const { column } = toRefs(props.data)

const isManyToMany = computed(() => column.value?.colOptions?.type === 'mm')

const edgePath = computed(() =>
  getBezierPath({
    sourceX: props.sourceX,
    sourceY: props.sourceY,
    sourcePosition: props.sourcePosition,
    targetX: props.targetX,
    targetY: props.targetY,
    targetPosition: props.targetPosition,
  }),
)
</script>

<script>
export default {
  inheritAttrs: false,
}
</script>

<template>
  <path
    :id="id"
    :style="style"
    class="path-wrapper p-4 hover:cursor-pointer"
    :stroke-width="8"
    fill="none"
    :d="edgePath"
    :marker-end="markerEnd"
  />
  <path
    :id="id"
    :style="style"
    class="path stroke-gray-500 hover:stroke-green-500 hover:cursor-pointer"
    :stroke-width="1.5"
    fill="none"
    :d="edgePath"
    :marker-end="markerEnd"
  />

  <rect
    :x="sourceX"
    :y="sourceY - 4"
    width="8"
    height="8"
    fill="#fff"
    stroke="#6F3381"
    :stroke-width="1.5"
    :transform="`rotate(45,${sourceX + 2},${sourceY - 4})`"
  />
  <rect
    v-if="isManyToMany"
    :x="targetX"
    :y="targetY - 4"
    width="8"
    height="8"
    fill="#fff"
    stroke="#6F3381"
    :stroke-width="1.5"
    :transform="`rotate(45,${targetX + 2},${targetY - 4})`"
  />
  <circle v-else :cx="targetX" :cy="targetY" fill="#fff" :r="5" stroke="#6F3381" :stroke-width="1.5" />
</template>

<style scoped lang="scss">
.path-wrapper:hover + .path {
  @apply stroke-green-500;
  stroke-width: 2;
}
.path:hover {
  stroke-width: 2;
}
</style>