tldraw
Version:
A tiny little drawing editor.
124 lines (123 loc) • 4.07 kB
JavaScript
import { StateNode, Vec } from "@tldraw/editor";
import { updateArrowTargetState } from "../../../shapes/arrow/arrowTargetState.mjs";
import { getArrowBindings } from "../../../shapes/arrow/shared.mjs";
import {
NOTE_CENTER_OFFSET,
getNoteAdjacentPositions,
getNoteShapeForAdjacentPosition
} from "../../../shapes/note/noteHelpers.mjs";
import { startEditingShapeWithRichText } from "../selectHelpers.mjs";
class PointingHandle extends StateNode {
static id = "pointing_handle";
didCtrlOnEnter = false;
info = {};
onEnter(info) {
this.info = info;
this.didCtrlOnEnter = info.accelKey;
const { shape } = info;
if (this.editor.isShapeOfType(shape, "arrow")) {
const initialBindings = getArrowBindings(this.editor, shape);
const currentBinding = initialBindings[info.handle.id];
const oppositeBinding = initialBindings[info.handle.id === "start" ? "end" : "start"];
const arrowTransform = this.editor.getShapePageTransform(shape.id);
if (currentBinding) {
updateArrowTargetState({
editor: this.editor,
pointInPageSpace: arrowTransform.applyToPoint(info.handle),
arrow: shape,
isPrecise: currentBinding.props.isPrecise,
currentBinding,
oppositeBinding
});
}
}
this.editor.setCursor({ type: "grabbing", rotation: 0 });
}
onExit() {
this.editor.setHintingShapes([]);
this.editor.setCursor({ type: "default", rotation: 0 });
}
onPointerUp() {
const { shape, handle } = this.info;
if (this.editor.isShapeOfType(shape, "note")) {
const { editor } = this;
const nextNote = getNoteForAdjacentPosition(editor, shape, handle, false);
if (nextNote) {
startEditingShapeWithRichText(editor, nextNote, { selectAll: true });
return;
}
}
this.parent.transition("idle", this.info);
}
onPointerMove(info) {
const { editor } = this;
if (editor.inputs.getIsDragging()) {
if (this.didCtrlOnEnter) {
this.parent.transition("brushing", info);
} else {
this.startDraggingHandle();
}
}
}
onLongPress() {
this.startDraggingHandle();
}
startDraggingHandle() {
const { editor } = this;
if (editor.getIsReadonly()) return;
const { shape, handle } = this.info;
if (editor.isShapeOfType(shape, "note")) {
const nextNote = getNoteForAdjacentPosition(editor, shape, handle, true);
if (nextNote) {
const centeredOnPointer = editor.getPointInParentSpace(nextNote, editor.inputs.getOriginPagePoint()).sub(Vec.Rot(NOTE_CENTER_OFFSET.clone().mul(shape.props.scale), nextNote.rotation));
editor.updateShape({ ...nextNote, x: centeredOnPointer.x, y: centeredOnPointer.y });
editor.setHoveredShape(nextNote.id).select(nextNote.id).setCurrentTool("select.translating", {
...this.info,
target: "shape",
shape: editor.getShape(nextNote),
onInteractionEnd: "note",
isCreating: true,
onCreate: () => {
startEditingShapeWithRichText(editor, nextNote, { selectAll: true });
}
});
return;
}
}
this.parent.transition("dragging_handle", this.info);
}
onCancel() {
this.cancel();
}
onComplete() {
this.cancel();
}
onInterrupt() {
this.cancel();
}
cancel() {
this.parent.transition("idle");
}
}
function getNoteForAdjacentPosition(editor, shape, handle, forceNew) {
const pageTransform = editor.getShapePageTransform(shape.id);
const pagePoint = pageTransform.point();
const pageRotation = pageTransform.rotation();
const positions = getNoteAdjacentPositions(
editor,
pagePoint,
pageRotation,
shape.props.growY * shape.props.scale,
0,
shape.props.scale
);
const position = positions[handle.index];
if (position) {
return getNoteShapeForAdjacentPosition(editor, shape, position, pageRotation, forceNew);
}
return void 0;
}
export {
PointingHandle
};
//# sourceMappingURL=PointingHandle.mjs.map