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tldraw

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A tiny little drawing editor.

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{ "version": 3, "sources": ["../../../../../src/lib/shapes/arrow/toolStates/Pointing.ts"], "sourcesContent": ["import { StateNode, TLArrowShape, createShapeId, maybeSnapToGrid } from '@tldraw/editor'\n\nexport class Pointing extends StateNode {\n\tstatic override id = 'pointing'\n\n\tshape?: TLArrowShape\n\n\tmarkId = ''\n\n\toverride onEnter() {\n\t\tthis.markId = ''\n\t\tthis.didTimeout = false\n\n\t\tconst target = this.editor.getShapeAtPoint(this.editor.inputs.currentPagePoint, {\n\t\t\tfilter: (targetShape) => {\n\t\t\t\treturn (\n\t\t\t\t\t!targetShape.isLocked &&\n\t\t\t\t\tthis.editor.canBindShapes({ fromShape: 'arrow', toShape: targetShape, binding: 'arrow' })\n\t\t\t\t)\n\t\t\t},\n\t\t\tmargin: 0,\n\t\t\thitInside: true,\n\t\t\trenderingOnly: true,\n\t\t})\n\n\t\tif (!target) {\n\t\t\tthis.createArrowShape()\n\t\t} else {\n\t\t\tthis.editor.setHintingShapes([target.id])\n\t\t}\n\n\t\tthis.startPreciseTimeout()\n\t}\n\n\toverride onExit() {\n\t\tthis.shape = undefined\n\t\tthis.editor.setHintingShapes([])\n\t\tthis.clearPreciseTimeout()\n\t}\n\n\toverride onPointerMove() {\n\t\tif (this.editor.inputs.isDragging) {\n\t\t\tif (!this.shape) {\n\t\t\t\tthis.createArrowShape()\n\t\t\t}\n\n\t\t\tif (!this.shape) throw Error(`expected shape`)\n\n\t\t\t// const initialEndHandle = this.editor.getShapeHandles(this.shape)!.find((h) => h.id === 'end')!\n\t\t\tthis.updateArrowShapeEndHandle()\n\n\t\t\tthis.editor.setCurrentTool('select.dragging_handle', {\n\t\t\t\tshape: this.shape,\n\t\t\t\thandle: { id: 'end', type: 'vertex', index: 'a3', x: 0, y: 0 },\n\t\t\t\tisCreating: true,\n\t\t\t\tcreatingMarkId: this.markId || undefined,\n\t\t\t\tonInteractionEnd: 'arrow',\n\t\t\t})\n\t\t}\n\t}\n\n\toverride onPointerUp() {\n\t\tthis.cancel()\n\t}\n\n\toverride onCancel() {\n\t\tthis.cancel()\n\t}\n\n\toverride onComplete() {\n\t\tthis.cancel()\n\t}\n\n\toverride onInterrupt() {\n\t\tthis.cancel()\n\t}\n\n\tcancel() {\n\t\tif (this.shape) {\n\t\t\t// the arrow might not have been created yet!\n\t\t\tthis.editor.bailToMark(this.markId)\n\t\t}\n\t\tthis.editor.setHintingShapes([])\n\t\tthis.parent.transition('idle')\n\t}\n\n\tcreateArrowShape() {\n\t\tconst { originPagePoint } = this.editor.inputs\n\n\t\tconst id = createShapeId()\n\n\t\tthis.markId = this.editor.markHistoryStoppingPoint(`creating_arrow:${id}`)\n\t\tconst newPoint = maybeSnapToGrid(originPagePoint, this.editor)\n\t\tthis.editor.createShape<TLArrowShape>({\n\t\t\tid,\n\t\t\ttype: 'arrow',\n\t\t\tx: newPoint.x,\n\t\t\ty: newPoint.y,\n\t\t\tprops: {\n\t\t\t\tscale: this.editor.user.getIsDynamicResizeMode() ? 1 / this.editor.getZoomLevel() : 1,\n\t\t\t},\n\t\t})\n\n\t\tconst shape = this.editor.getShape<TLArrowShape>(id)\n\t\tif (!shape) throw Error(`expected shape`)\n\n\t\tconst handles = this.editor.getShapeHandles(shape)\n\t\tif (!handles) throw Error(`expected handles for arrow`)\n\n\t\tconst util = this.editor.getShapeUtil<TLArrowShape>('arrow')\n\t\tconst initial = this.shape\n\t\tconst startHandle = handles.find((h) => h.id === 'start')!\n\t\tconst change = util.onHandleDrag?.(shape, {\n\t\t\thandle: { ...startHandle, x: 0, y: 0 },\n\t\t\tisPrecise: true,\n\t\t\tinitial: initial,\n\t\t})\n\n\t\tif (change) {\n\t\t\tthis.editor.updateShapes([change])\n\t\t}\n\n\t\t// Cache the current shape after those changes\n\t\tthis.shape = this.editor.getShape(id)\n\t\tthis.editor.select(id)\n\t}\n\n\tupdateArrowShapeEndHandle() {\n\t\tconst shape = this.shape\n\t\tif (!shape) throw Error(`expected shape`)\n\n\t\tconst handles = this.editor.getShapeHandles(shape)\n\t\tif (!handles) throw Error(`expected handles for arrow`)\n\n\t\t// start update\n\t\t{\n\t\t\tconst util = this.editor.getShapeUtil<TLArrowShape>('arrow')\n\t\t\tconst initial = this.shape\n\t\t\tconst startHandle = handles.find((h) => h.id === 'start')!\n\t\t\tconst change = util.onHandleDrag?.(shape, {\n\t\t\t\thandle: { ...startHandle, x: 0, y: 0 },\n\t\t\t\tisPrecise: this.didTimeout, // sure about that?\n\t\t\t\tinitial: initial,\n\t\t\t})\n\n\t\t\tif (change) {\n\t\t\t\tthis.editor.updateShapes([change])\n\t\t\t}\n\t\t}\n\n\t\t// end update\n\t\t{\n\t\t\tconst util = this.editor.getShapeUtil<TLArrowShape>('arrow')\n\t\t\tconst initial = this.shape\n\t\t\tconst point = this.editor.getPointInShapeSpace(shape, this.editor.inputs.currentPagePoint)\n\t\t\tconst endHandle = handles.find((h) => h.id === 'end')!\n\t\t\tconst change = util.onHandleDrag?.(this.editor.getShape(shape)!, {\n\t\t\t\thandle: { ...endHandle, x: point.x, y: point.y },\n\t\t\t\tisPrecise: false, // sure about that?\n\t\t\t\tinitial: initial,\n\t\t\t})\n\n\t\t\tif (change) {\n\t\t\t\tthis.editor.updateShapes([change])\n\t\t\t}\n\t\t}\n\n\t\t// Cache the current shape after those changes\n\t\tthis.shape = this.editor.getShape(shape.id)\n\t}\n\n\tprivate preciseTimeout = -1\n\tprivate didTimeout = false\n\tprivate startPreciseTimeout() {\n\t\tthis.preciseTimeout = this.editor.timers.setTimeout(() => {\n\t\t\tif (!this.getIsActive()) return\n\t\t\tthis.didTimeout = true\n\t\t}, 320)\n\t}\n\tprivate clearPreciseTimeout() {\n\t\tclearTimeout(this.preciseTimeout)\n\t}\n}\n"], "mappings": 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"names": [] }