Tldraw/packages/tldraw/src/lib/tools/SelectTool/childStates/PointingCropHandle.ts

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2.0 KiB
TypeScript

import { StateNode, TLEventHandlers, TLPointerEventInfo, TLShape } from '@tldraw/editor'
import { CursorTypeMap } from './PointingResizeHandle'
type TLPointingCropHandleInfo = TLPointerEventInfo & {
target: 'selection'
} & {
onInteractionEnd?: string
}
export class PointingCropHandle extends StateNode {
static override id = 'pointing_crop_handle'
private info = {} as TLPointingCropHandleInfo
private updateCursor(shape: TLShape) {
const cursorType = CursorTypeMap[this.info.handle!]
this.editor.updateInstanceState({
cursor: {
type: cursorType,
rotation: shape.rotation,
},
})
}
override onEnter = (info: TLPointingCropHandleInfo) => {
this.info = info
this.parent.setCurrentToolIdMask(info.onInteractionEnd)
const selectedShape = this.editor.getSelectedShapes()[0]
if (!selectedShape) return
this.updateCursor(selectedShape)
this.editor.setCroppingShape(selectedShape.id)
}
override onExit = () => {
this.editor.updateInstanceState(
{ cursor: { type: 'default', rotation: 0 } },
{ ephemeral: true }
)
this.parent.setCurrentToolIdMask(undefined)
}
override onPointerMove: TLEventHandlers['onPointerMove'] = () => {
const isDragging = this.editor.inputs.isDragging
if (isDragging) {
this.parent.transition('cropping', {
...this.info,
onInteractionEnd: this.info.onInteractionEnd,
})
}
}
override onPointerUp: TLEventHandlers['onPointerUp'] = () => {
if (this.info.onInteractionEnd) {
this.editor.setCurrentTool(this.info.onInteractionEnd, this.info)
} else {
this.editor.setCroppingShape(null)
this.parent.transition('idle')
}
}
override onCancel: TLEventHandlers['onCancel'] = () => {
this.cancel()
}
override onComplete: TLEventHandlers['onComplete'] = () => {
this.cancel()
}
override onInterrupt = () => {
this.cancel()
}
private cancel() {
if (this.info.onInteractionEnd) {
this.editor.setCurrentTool(this.info.onInteractionEnd, this.info)
} else {
this.editor.setCroppingShape(null)
this.parent.transition('idle')
}
}
}