move some files around to confuse everyone

src/App/VisualEditor/DiamondSVG.tsx

@@ -0,0 +1,49 @@
+import { Diamond, RectSide } from "@/statecharts/concrete_syntax";
+import { rountangleMinSize } from "./VisualEditor";
+import { Vec2D } from "./geometry";
+import { RectHelper } from "./RectHelpers";
+import { memo } from "react";
+import { arraysEqual } from "@/util/util";
+
+export const DiamondShape = memo(function DiamondShape(props: {size: Vec2D, extraAttrs: object}) {
+  const minSize = rountangleMinSize(props.size);
+  return <polygon
+    points={`
+      ${minSize.x/2} ${0},
+      ${minSize.x}   ${minSize.y/2},
+      ${minSize.x/2} ${minSize.y},
+      ${0}           ${minSize.y/2}
+    `}
+    fill="white"
+    stroke="black"
+    strokeWidth={2}
+    {...props.extraAttrs}
+  />;
+});
+
+export const DiamondSVG = memo(function DiamondSVG(props: { diamond: Diamond; selected: RectSide[]; highlight: RectSide[]; error?: string; active: boolean; }) {
+  const minSize = rountangleMinSize(props.diamond.size);
+  const extraAttrs = {
+    className: ''
+      + (props.selected.length === 4 ? " selected" : "")
+      + (props.error ? " error" : "")
+      + (props.active ? " active" : ""),
+    "data-uid": props.diamond.uid,
+    "data-parts": "left top right bottom",
+  };
+  return <g transform={`translate(${props.diamond.topLeft.x} ${props.diamond.topLeft.y})`}>
+    <DiamondShape size={minSize} extraAttrs={extraAttrs}/>
+
+    <text x={minSize.x/2} y={minSize.y/2}
+      className="uid"
+      textAnchor="middle">{props.diamond.uid}</text>
+
+    <RectHelper uid={props.diamond.uid} size={minSize} highlight={props.highlight} selected={props.selected} />
+  </g>;
+}, (prevProps, nextProps) => {
+  return prevProps.diamond === nextProps.diamond
+    && arraysEqual(prevProps.selected, nextProps.selected)
+    && arraysEqual(prevProps.highlight, nextProps.highlight)
+    && prevProps.error === nextProps.error
+    && prevProps.active === nextProps.active
+});