tldraw
Version:
A tiny little drawing editor.
152 lines (151 loc) • 5.54 kB
JavaScript
"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var PointingArrowLabel_exports = {};
__export(PointingArrowLabel_exports, {
PointingArrowLabel: () => PointingArrowLabel
});
module.exports = __toCommonJS(PointingArrowLabel_exports);
var import_editor = require("@tldraw/editor");
var import_arrowLabel = require("../../../shapes/arrow/arrowLabel");
var import_selectHelpers = require("../selectHelpers");
class PointingArrowLabel extends import_editor.StateNode {
static id = "pointing_arrow_label";
shapeId = "";
markId = "";
wasAlreadySelected = false;
didDrag = false;
didCtrlOnEnter = false;
info = {};
updateCursor() {
this.editor.setCursor({ type: "grabbing", rotation: 0 });
}
onEnter(info) {
const { shape } = info;
if (typeof info.onInteractionEnd === "string") {
this.parent.setCurrentToolIdMask(info.onInteractionEnd);
}
this.info = info;
this.shapeId = shape.id;
this.didDrag = false;
this.didCtrlOnEnter = info.accelKey;
this.wasAlreadySelected = this.editor.getOnlySelectedShapeId() === shape.id;
this.updateCursor();
const geometry = this.editor.getShapeGeometry(shape);
const labelGeometry = geometry.children[1];
if (!labelGeometry) {
throw Error(`Expected to find an arrow label geometry for shape: ${shape.id}`);
}
const currentPagePoint = this.editor.inputs.getCurrentPagePoint();
const pointInShapeSpace = this.editor.getPointInShapeSpace(shape, currentPagePoint);
this._labelDragOffset = import_editor.Vec.Sub(labelGeometry.center, pointInShapeSpace);
this.markId = this.editor.markHistoryStoppingPoint("label-drag start");
const additiveSelectionKey = info.shiftKey || info.accelKey;
if (additiveSelectionKey) {
const selectedShapeIds = this.editor.getSelectedShapeIds();
this.editor.setSelectedShapes([...selectedShapeIds, this.shapeId]);
return;
}
this.editor.setSelectedShapes([this.shapeId]);
}
onExit() {
this.parent.setCurrentToolIdMask(void 0);
this.editor.setCursor({ type: "default", rotation: 0 });
}
_labelDragOffset = new import_editor.Vec(0, 0);
onPointerMove() {
const isDragging = this.editor.inputs.getIsDragging();
if (!isDragging) return;
if (this.didCtrlOnEnter) {
this.parent.transition("brushing", this.info);
return;
}
const shape = this.editor.getShape(this.shapeId);
if (!shape) return;
const options = this.editor.getShapeUtil("arrow").options;
const geometry = (0, import_arrowLabel.getArrowBodyGeometry)(this.editor, shape);
const transform = this.editor.getShapePageTransform(shape.id);
const pointInShapeSpace = this.editor.getPointInShapeSpace(shape, this.editor.inputs.getCurrentPagePoint()).add(this._labelDragOffset);
const defaultLabelPosition = (0, import_arrowLabel.getArrowLabelDefaultPosition)(this.editor, shape);
let nextLabelPosition = geometry.uninterpolateAlongEdge(pointInShapeSpace);
if (isNaN(nextLabelPosition)) {
nextLabelPosition = defaultLabelPosition;
}
const nextLabelPoint = transform.applyToPoint(geometry.interpolateAlongEdge(nextLabelPosition));
const labelDefaultPoint = transform.applyToPoint(
geometry.interpolateAlongEdge(defaultLabelPosition)
);
if (import_editor.Vec.DistMin(
nextLabelPoint,
labelDefaultPoint,
options.labelCenterSnapDistance / this.editor.getZoomLevel()
)) {
nextLabelPosition = defaultLabelPosition;
}
this.didDrag = true;
this.editor.updateShape({
id: shape.id,
type: shape.type,
props: { labelPosition: nextLabelPosition }
});
}
onPointerUp() {
const shape = this.editor.getShape(this.shapeId);
if (!shape) return;
if (this.didDrag || !this.wasAlreadySelected) {
this.complete();
} else if (this.editor.canEditShape(shape)) {
(0, import_selectHelpers.startEditingShapeWithRichText)(this.editor, shape.id);
}
}
onCancel() {
this.cancel();
}
onComplete() {
this.cancel();
}
onInterrupt() {
this.cancel();
}
complete() {
const { onInteractionEnd } = this.info;
if (onInteractionEnd) {
if (typeof onInteractionEnd === "string") {
this.editor.setCurrentTool(onInteractionEnd, {});
} else {
onInteractionEnd();
}
return;
}
this.parent.transition("idle");
}
cancel() {
this.editor.bailToMark(this.markId);
const { onInteractionEnd } = this.info;
if (onInteractionEnd) {
if (typeof onInteractionEnd === "string") {
this.editor.setCurrentTool(onInteractionEnd, {});
} else {
onInteractionEnd();
}
return;
}
this.parent.transition("idle");
}
}
//# sourceMappingURL=PointingArrowLabel.js.map