@tldraw/editor/dist-esm/lib/editor/shapes/group/GroupShapeUtil.mjs.map

tldraw infinite canvas SDK (editor).

{
  "version": 3,
  "sources": ["../../../../../src/lib/editor/shapes/group/GroupShapeUtil.tsx"],
  "sourcesContent": ["import { TLGroupShape, groupShapeMigrations, groupShapeProps } from '@tldraw/tlschema'\nimport { SVGContainer } from '../../../components/SVGContainer'\nimport { Geometry2d } from '../../../primitives/geometry/Geometry2d'\nimport { Group2d } from '../../../primitives/geometry/Group2d'\nimport { Rectangle2d } from '../../../primitives/geometry/Rectangle2d'\nimport { ShapeUtil } from '../ShapeUtil'\nimport { getPerfectDashProps } from '../shared/getPerfectDashProps'\nimport { DashedOutlineBox } from './DashedOutlineBox'\n\n/** @public */\nexport class GroupShapeUtil extends ShapeUtil<TLGroupShape> {\n\tstatic override type = 'group' as const\n\tstatic override props = groupShapeProps\n\tstatic override migrations = groupShapeMigrations\n\n\toverride hideSelectionBoundsFg(shape: TLGroupShape) {\n\t\treturn true\n\t}\n\n\toverride canBind() {\n\t\treturn false\n\t}\n\n\tcanResize() {\n\t\treturn true\n\t}\n\n\tcanResizeChildren() {\n\t\treturn true\n\t}\n\n\tgetDefaultProps(): TLGroupShape['props'] {\n\t\treturn {}\n\t}\n\n\tgetGeometry(shape: TLGroupShape): Geometry2d {\n\t\tconst children = this.editor.getSortedChildIdsForParent(shape.id)\n\t\tif (children.length === 0) {\n\t\t\treturn new Rectangle2d({ width: 1, height: 1, isFilled: false })\n\t\t}\n\n\t\treturn new Group2d({\n\t\t\tchildren: children.map((childId) => {\n\t\t\t\tconst shape = this.editor.getShape(childId)!\n\t\t\t\treturn this.editor\n\t\t\t\t\t.getShapeGeometry(childId)\n\t\t\t\t\t.transform(this.editor.getShapeLocalTransform(shape)!, { isLabel: false })\n\t\t\t}),\n\t\t})\n\t}\n\n\tcomponent(shape: TLGroupShape) {\n\t\tconst isErasing = this.editor.getErasingShapeIds().includes(shape.id)\n\n\t\tconst { hintingShapeIds } = this.editor.getCurrentPageState()\n\t\tconst isHintingOtherGroup =\n\t\t\thintingShapeIds.length > 0 &&\n\t\t\thintingShapeIds.some(\n\t\t\t\t(id) => id !== shape.id && this.editor.isShapeOfType(this.editor.getShape(id)!, 'group')\n\t\t\t)\n\n\t\tconst isFocused = this.editor.getCurrentPageState().focusedGroupId !== shape.id\n\n\t\tif (\n\t\t\t!isErasing && // always show the outline while we're erasing the group\n\t\t\t// show the outline while the group is focused unless something outside of the group is being hinted\n\t\t\t// this happens dropping shapes from a group onto some outside group\n\t\t\t(isFocused || isHintingOtherGroup)\n\t\t) {\n\t\t\treturn null\n\t\t}\n\n\t\tconst bounds = this.editor.getShapeGeometry(shape).bounds\n\n\t\treturn (\n\t\t\t<SVGContainer>\n\t\t\t\t<DashedOutlineBox className=\"tl-group\" bounds={bounds} />\n\t\t\t</SVGContainer>\n\t\t)\n\t}\n\n\toverride getIndicatorPath(shape: TLGroupShape): Path2D {\n\t\tconst bounds = this.editor.getShapeGeometry(shape).bounds\n\t\tconst zoomLevel = this.editor.getEfficientZoomLevel()\n\t\tconst path = new Path2D()\n\n\t\tfor (const side of bounds.sides) {\n\t\t\tconst [start, end] = side\n\t\t\tconst length = start.dist(end)\n\t\t\tif (length <= 0) continue\n\n\t\t\tconst { strokeDasharray, strokeDashoffset } = getPerfectDashProps(length, 1 / zoomLevel, {\n\t\t\t\tstyle: 'dashed',\n\t\t\t\tlengthRatio: 4,\n\t\t\t})\n\n\t\t\tif (strokeDasharray === 'none') {\n\t\t\t\tpath.moveTo(start.x, start.y)\n\t\t\t\tpath.lineTo(end.x, end.y)\n\t\t\t\tcontinue\n\t\t\t}\n\n\t\t\tconst [dashLength, gapLength] = strokeDasharray.split(' ').map(Number)\n\t\t\tconst dashOffset = Number(strokeDashoffset)\n\t\t\tconst period = dashLength + gapLength\n\t\t\tif (!Number.isFinite(period) || period <= 0) continue\n\n\t\t\tconst dx = (end.x - start.x) / length\n\t\t\tconst dy = (end.y - start.y) / length\n\n\t\t\tfor (let dashStart = -dashOffset; dashStart < length; dashStart += period) {\n\t\t\t\tconst dashEnd = Math.min(length, dashStart + dashLength)\n\t\t\t\tconst clippedDashStart = Math.max(0, dashStart)\n\t\t\t\tif (dashEnd <= clippedDashStart) continue\n\n\t\t\t\tpath.moveTo(start.x + dx * clippedDashStart, start.y + dy * clippedDashStart)\n\t\t\t\tpath.lineTo(start.x + dx * dashEnd, start.y + dy * dashEnd)\n\t\t\t}\n\t\t}\n\n\t\treturn path\n\t}\n\n\toverride onChildrenChange(group: TLGroupShape) {\n\t\tconst children = this.editor.getSortedChildIdsForParent(group.id)\n\t\tif (children.length === 0) {\n\t\t\tif (this.editor.getCurrentPageState().focusedGroupId === group.id) {\n\t\t\t\tthis.editor.popFocusedGroupId()\n\t\t\t}\n\t\t\tthis.editor.deleteShapes([group.id])\n\t\t\treturn\n\t\t} else if (children.length === 1) {\n\t\t\tif (this.editor.getCurrentPageState().focusedGroupId === group.id) {\n\t\t\t\tthis.editor.popFocusedGroupId()\n\t\t\t}\n\t\t\tthis.editor.reparentShapes(children, group.parentId)\n\t\t\tthis.editor.deleteShapes([group.id])\n\t\t\treturn\n\t\t}\n\t}\n}\n"],
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  "names": ["shape"]
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