tldraw/dist-esm/lib/shapes/line/toolStates/Pointing.mjs.map

A tiny little drawing editor.

{
  "version": 3,
  "sources": ["../../../../../src/lib/shapes/line/toolStates/Pointing.ts"],
  "sourcesContent": ["import {\n\tMat,\n\tStateNode,\n\tTLLineShape,\n\tTLShapeId,\n\tVec,\n\tcreateShapeId,\n\tgetIndexAbove,\n\tlast,\n\tmaybeSnapToGrid,\n\tsortByIndex,\n\tstructuredClone,\n} from '@tldraw/editor'\n\nconst MINIMUM_DISTANCE_BETWEEN_SHIFT_CLICKED_HANDLES = 2\n\nexport class Pointing extends StateNode {\n\tstatic override id = 'pointing'\n\n\tshape = {} as TLLineShape\n\n\tmarkId: string | undefined\n\n\toverride onEnter(info: { shapeId?: TLShapeId }) {\n\t\tconst { inputs } = this.editor\n\t\tconst { currentPagePoint } = inputs\n\n\t\tthis.markId = undefined\n\n\t\t// Previously created line shape that we might be extending\n\t\tconst shape = info.shapeId && this.editor.getShape<TLLineShape>(info.shapeId)\n\n\t\tif (shape && inputs.shiftKey) {\n\t\t\t// Extending a previous shape\n\t\t\tthis.markId = this.editor.markHistoryStoppingPoint(`creating_line:${shape.id}`)\n\t\t\tthis.shape = shape\n\n\t\t\tconst handles = this.editor.getShapeHandles(this.shape)\n\t\t\tif (!handles) return\n\n\t\t\tconst vertexHandles = handles.filter((h) => h.type === 'vertex').sort(sortByIndex)\n\t\t\tconst endHandle = vertexHandles[vertexHandles.length - 1]\n\t\t\tconst prevEndHandle = vertexHandles[vertexHandles.length - 2]\n\n\t\t\tconst shapePagePoint = Mat.applyToPoint(\n\t\t\t\tthis.editor.getShapeParentTransform(this.shape)!,\n\t\t\t\tnew Vec(this.shape.x, this.shape.y)\n\t\t\t)\n\t\t\t// nudge the point slightly to avoid zero-length lines\n\t\t\tconst nudgedPoint = Vec.Sub(currentPagePoint, shapePagePoint).addXY(0.1, 0.1)\n\t\t\tconst nextPoint = maybeSnapToGrid(nudgedPoint, this.editor)\n\t\t\tconst points = structuredClone(this.shape.props.points)\n\n\t\t\tif (\n\t\t\t\tVec.DistMin(endHandle, prevEndHandle, MINIMUM_DISTANCE_BETWEEN_SHIFT_CLICKED_HANDLES) ||\n\t\t\t\tVec.DistMin(nextPoint, endHandle, MINIMUM_DISTANCE_BETWEEN_SHIFT_CLICKED_HANDLES)\n\t\t\t) {\n\t\t\t\t// Don't add a new point if the distance between the last two points is too small\n\t\t\t\tpoints[endHandle.id] = {\n\t\t\t\t\tid: endHandle.id,\n\t\t\t\t\tindex: endHandle.index,\n\t\t\t\t\tx: nextPoint.x,\n\t\t\t\t\ty: nextPoint.y,\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t// Add a new point\n\t\t\t\tconst nextIndex = getIndexAbove(endHandle.index)\n\t\t\t\tpoints[nextIndex] = {\n\t\t\t\t\tid: nextIndex,\n\t\t\t\t\tindex: nextIndex,\n\t\t\t\t\tx: nextPoint.x,\n\t\t\t\t\ty: nextPoint.y,\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tthis.editor.updateShapes([\n\t\t\t\t{\n\t\t\t\t\tid: this.shape.id,\n\t\t\t\t\ttype: this.shape.type,\n\t\t\t\t\tprops: {\n\t\t\t\t\t\tpoints,\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t])\n\t\t} else {\n\t\t\tconst id = createShapeId()\n\n\t\t\tthis.markId = this.editor.markHistoryStoppingPoint(`creating_line:${id}`)\n\n\t\t\tconst newPoint = maybeSnapToGrid(currentPagePoint, this.editor)\n\t\t\tthis.editor.createShapes<TLLineShape>([\n\t\t\t\t{\n\t\t\t\t\tid,\n\t\t\t\t\ttype: 'line',\n\t\t\t\t\tx: newPoint.x,\n\t\t\t\t\ty: newPoint.y,\n\t\t\t\t\tprops: {\n\t\t\t\t\t\tscale: this.editor.user.getIsDynamicResizeMode() ? 1 / this.editor.getZoomLevel() : 1,\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t])\n\n\t\t\tthis.editor.select(id)\n\t\t\tthis.shape = this.editor.getShape(id)!\n\t\t}\n\t}\n\n\toverride onPointerMove() {\n\t\tif (!this.shape) return\n\n\t\tif (this.editor.inputs.isDragging) {\n\t\t\tconst handles = this.editor.getShapeHandles(this.shape)\n\t\t\tif (!handles) {\n\t\t\t\tif (this.markId) this.editor.bailToMark(this.markId)\n\t\t\t\tthrow Error('No handles found')\n\t\t\t}\n\t\t\tconst lastHandle = last(handles)!\n\t\t\tthis.editor.setCurrentTool('select.dragging_handle', {\n\t\t\t\tshape: this.shape,\n\t\t\t\tisCreating: true,\n\t\t\t\tcreatingMarkId: this.markId,\n\t\t\t\t// remove the offset that we added to the handle when we created it\n\t\t\t\thandle: { ...lastHandle, x: lastHandle.x - 0.1, y: lastHandle.y - 0.1 },\n\t\t\t\tonInteractionEnd: 'line',\n\t\t\t})\n\t\t}\n\t}\n\n\toverride onPointerUp() {\n\t\tthis.complete()\n\t}\n\n\toverride onCancel() {\n\t\tthis.cancel()\n\t}\n\n\toverride onComplete() {\n\t\tthis.complete()\n\t}\n\n\toverride onInterrupt() {\n\t\tthis.parent.transition('idle')\n\t\tif (this.markId) this.editor.bailToMark(this.markId)\n\t\tthis.editor.snaps.clearIndicators()\n\t}\n\n\tcomplete() {\n\t\tthis.parent.transition('idle', { shapeId: this.shape.id })\n\t\tthis.editor.snaps.clearIndicators()\n\t}\n\n\tcancel() {\n\t\tif (this.markId) this.editor.bailToMark(this.markId)\n\t\tthis.parent.transition('idle', { shapeId: this.shape.id })\n\t\tthis.editor.snaps.clearIndicators()\n\t}\n}\n"],
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