Files
vue-flow/src/container/SelectionPane/SelectionPane.vue
T

82 lines
2.6 KiB
Vue

<script lang="ts" setup>
import { ElementId, FlowElement, FlowElements, GraphEdge, KeyCode } from '../../types'
import { useStore, useKeyPress } from '../../composables'
import { getConnectedEdges, isGraphNode } from '../../utils'
import NodesSelection from '../../components/NodesSelection/NodesSelection.vue'
import UserSelection from '../../components/UserSelection/UserSelection.vue'
interface SelectionPaneProps {
edges: GraphEdge[]
selectedElements?: FlowElements
selectionKeyCode?: KeyCode
deleteKeyCode?: KeyCode
multiSelectionKeyCode?: KeyCode
elementsSelectable?: boolean
nodesSelectionActive?: boolean
selectionActive?: boolean
}
const props = withDefaults(defineProps<SelectionPaneProps>(), {
selectionKeyCode: 'Shift',
deleteKeyCode: 'Backspace',
multiSelectionKeyCode: 'Meta',
elementsSelectable: true,
selectedElements: () => [],
})
const store = useStore()
const onClick = (event: MouseEvent) => {
store.hooks.paneClick.trigger(event)
store.unsetNodesSelection()
store.resetSelectedElements()
}
const onContextMenu = (event: MouseEvent) => store.hooks.paneContextMenu.trigger(event)
const onWheel = (event: WheelEvent) => store.hooks.paneScroll.trigger(event)
const userSelection = ref(false)
onMounted(() => {
useKeyPress(props.deleteKeyCode, (keyPressed) => {
if (keyPressed && props.selectedElements) {
const selectedNodes = props.selectedElements.filter(isGraphNode)
const connectedEdges = getConnectedEdges(selectedNodes, props.edges)
const elementsToRemove = [...props.selectedElements, ...connectedEdges].reduce(
(res, item) => res.set(item.id, item),
new Map<ElementId, FlowElement>(),
)
store.hooks.elementsRemove.trigger(Array.from(elementsToRemove.values()))
store.unsetNodesSelection()
store.resetSelectedElements()
}
})
useKeyPress(props.multiSelectionKeyCode, (keyPressed) => {
store.multiSelectionActive = keyPressed
})
useKeyPress(props.selectionKeyCode, (keyPressed) => {
userSelection.value = keyPressed && (props.selectionActive || props.elementsSelectable)
})
})
</script>
<script lang="ts">
export default {
name: 'SelectionPane',
inheritAttrs: false,
}
</script>
<template>
<slot></slot>
<UserSelection v-if="userSelection" id="user-selection" :key="`user-selection-${store.$id}`" />
<NodesSelection
v-if="props.nodesSelectionActive"
id="nodes-selection"
:key="`nodes-selction-${store.$id}`"
:selected-elements="props.selectedElements"
/>
<div :key="`flow-pane-${store.$id}`" class="vue-flow__pane" @click="onClick" @contextmenu="onContextMenu" @wheel="onWheel" />
</template>