Kristaps Fabians Geikins
59 lines
1.8 KiB
TypeScript
59 lines
1.8 KiB
TypeScript
import { Nullable } from '@speckle/shared'
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import { SelectionEvent } from '@speckle/viewer'
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import { useInjectedViewerState } from '~~/lib/viewer/composables/setup'
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import { useCameraUtilities, useSelectionUtilities } from '~~/lib/viewer/composables/ui'
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import { useSelectionEvents } from '~~/lib/viewer/composables/viewer'
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function useCollectSelection() {
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const {
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ui: { selection }
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} = useInjectedViewerState()
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const selectionCallback = (event: Nullable<SelectionEvent>) => {
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if (!event) return (selection.value = null) // reset selection location
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const firstHit = event.hits[0]
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selection.value = firstHit.point
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}
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useSelectionEvents({
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singleClickCallback: selectionCallback,
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doubleClickCallback: selectionCallback
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})
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}
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function useSelectOrZoomOnSelection() {
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const state = useInjectedViewerState()
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const { clearSelection, addToSelection } = useSelectionUtilities()
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const { zoom } = useCameraUtilities()
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useSelectionEvents(
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{
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singleClickCallback: (args, { firstVisibleSelectionHit }) => {
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if (!args) return clearSelection()
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if (args.hits.length === 0) return clearSelection()
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if (!args.multiple) clearSelection()
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if (!firstVisibleSelectionHit) return clearSelection()
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addToSelection(firstVisibleSelectionHit.object)
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},
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doubleClickCallback: (args, { firstVisibleSelectionHit }) => {
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if (!args) return zoom()
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if (!args.hits) return zoom()
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if (args.hits.length === 0) return zoom()
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const firstVisHit = firstVisibleSelectionHit
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if (!firstVisHit) return clearSelection()
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const objectId = args.hits[0].object.id
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zoom([objectId])
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}
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},
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{ state }
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)
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}
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export function useViewerSelectionEventHandler() {
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useCollectSelection()
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useSelectOrZoomOnSelection()
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}
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