Files
vue-flow/package/src/container/EdgeRenderer/EdgeRenderer.vue
T

97 lines
2.9 KiB
Vue

<script lang="ts" setup>
import EdgeWrapper from '../../components/Edges/EdgeWrapper.vue'
import ConnectionLine from '../../components/ConnectionLine/ConnectionLine.vue'
import { useVueFlow } from '../../composables'
import { groupEdgesByZLevel } from '../../utils'
import { Slots } from '../../context'
import { EdgeComponent } from '../../types'
import MarkerDefinitions from './MarkerDefinitions.vue'
const { store } = useVueFlow()
const slots = inject(Slots)
const names: Record<string, string> = reactive({})
const getType = (name = 'default') => {
const instance = getCurrentInstance()
let edgeType = store.getEdgeTypes[name]
if (typeof edgeType === 'string') {
if (instance) {
const components = Object.keys(instance.appContext.components)
if (components && components.includes(name)) {
edgeType = resolveComponent(name, false) as EdgeComponent
}
}
}
if (typeof edgeType !== 'string') {
names[name] = name
return edgeType
}
const slot = slots?.[`node-${name}`]
if (!slot?.({})) {
console.warn(`[vueflow]: Edge type "${name}" not found and no edge-slot detected. Using fallback type "default".`)
names[name] = 'default'
return store.getEdgeTypes.default
}
names[name] = name
return slot
}
const sourceNode = controlledComputed(
() => store.connectionNodeId,
() => {
if (store.connectionNodeId) return store.getNodes[store.getNodes.map((n) => n.id).indexOf(store.connectionNodeId)]
},
)
const connectionLineVisible = controlledComputed(
() => store.connectionNodeId,
() =>
!!(
sourceNode.value &&
(typeof sourceNode.value.connectable === 'undefined' ? store.nodesConnectable : sourceNode.value.connectable) &&
store.connectionNodeId &&
store.connectionHandleType
),
)
const groups = computed(() => groupEdgesByZLevel(store.getEdges, store.getNodes))
</script>
<script lang="ts">
export default {
name: 'Edges',
}
</script>
<template>
<svg
v-for="group of groups"
:key="group.level"
:width="store.dimensions.width"
:height="store.dimensions.height"
class="vue-flow__edges vue-flow__container"
:style="`z-index: ${group.level}`"
>
<MarkerDefinitions v-if="group.isMaxLevel" :default-color="store.defaultMarkerColor" />
<g>
<EdgeWrapper
v-for="edge of group.edges"
:id="edge.id"
:key="edge.id"
:edge="edge"
:name="edge.type ? names[edge.type] : 'default'"
:selectable="typeof edge.selectable === 'undefined' ? store.elementsSelectable : edge.selectable"
:updatable="typeof edge.updatable === 'undefined' ? store.edgesUpdatable : edge.updatable"
>
<template #default="props">
<component :is="getType(edge.type)" v-bind="props" />
</template>
</EdgeWrapper>
<ConnectionLine v-if="connectionLineVisible && sourceNode" :source-node="sourceNode">
<slot name="connection-line" />
</ConnectionLine>
</g>
</svg>
</template>