fix: z-index inconsistencies during addition / deletion in frames (#6914)

Co-authored-by: Marcel Mraz <marcel.mraz@adacta-fintech.com>
Co-authored-by: dwelle <luzar.david@gmail.com>
This commit is contained in:
Marcel Mraz 2023-09-07 00:41:44 +02:00 committed by GitHub
parent 134df7bfbb
commit a13aed92f2
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3 changed files with 424 additions and 79 deletions

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@ -6501,7 +6501,7 @@ class App extends React.Component<AppProps, AppState> {
}
nextElements = updateFrameMembershipOfSelectedElements(
this.scene.getElementsIncludingDeleted(),
nextElements,
this.state,
this,
);

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@ -1,9 +1,10 @@
import { ExcalidrawElement } from "./element/types";
import {
convertToExcalidrawElements,
Excalidraw,
} from "./packages/excalidraw/index";
import { API } from "./tests/helpers/api";
import { Pointer } from "./tests/helpers/ui";
import { Keyboard, Pointer } from "./tests/helpers/ui";
import { render } from "./tests/test-utils";
const { h } = window;
@ -28,83 +29,301 @@ describe("adding elements to frames", () => {
}, []);
};
describe("resizing frame over elements", () => {
const testElements = async (
containerType: "arrow" | "rectangle",
initialOrder: ElementType[],
expectedOrder: ElementType[],
) => {
await render(<Excalidraw />);
function resizeFrameOverElement(
frame: ExcalidrawElement,
element: ExcalidrawElement,
) {
mouse.clickAt(0, 0);
mouse.downAt(frame.x + frame.width, frame.y + frame.height);
mouse.moveTo(
element.x + element.width + 50,
element.y + element.height + 50,
);
mouse.up();
}
const frame = API.createElement({ type: "frame", x: 0, y: 0 });
function dragElementIntoFrame(
frame: ExcalidrawElement,
element: ExcalidrawElement,
) {
mouse.clickAt(element.x, element.y);
mouse.downAt(element.x + element.width / 2, element.y + element.height / 2);
mouse.moveTo(frame.x + frame.width / 2, frame.y + frame.height / 2);
mouse.up();
}
h.elements = reorderElements(
[
frame,
...convertToExcalidrawElements([
{
type: containerType,
x: 100,
y: 100,
height: 10,
label: { text: "xx" },
},
]),
],
initialOrder,
);
function selectElementAndDuplicate(
element: ExcalidrawElement,
moveTo: [number, number] = [element.x + 25, element.y + 25],
) {
const [x, y] = [
element.x + element.width / 2,
element.y + element.height / 2,
];
assertOrder(h.elements, initialOrder);
expect(h.elements[1].frameId).toBe(null);
expect(h.elements[2].frameId).toBe(null);
const container = h.elements[1];
mouse.clickAt(0, 0);
mouse.downAt(frame.x + frame.width, frame.y + frame.height);
mouse.moveTo(
container.x + container.width + 100,
container.y + container.height + 100,
);
Keyboard.withModifierKeys({ alt: true }, () => {
mouse.downAt(x, y);
mouse.moveTo(moveTo[0], moveTo[1]);
mouse.up();
assertOrder(h.elements, expectedOrder);
});
}
expect(h.elements[0].frameId).toBe(frame.id);
expect(h.elements[1].frameId).toBe(frame.id);
};
function expectEqualIds(expected: ExcalidrawElement[]) {
expect(h.elements.map((x) => x.id)).toEqual(expected.map((x) => x.id));
}
it("resizing over text containers / labelled arrows", async () => {
await testElements(
let frame: ExcalidrawElement;
let rect1: ExcalidrawElement;
let rect2: ExcalidrawElement;
let rect3: ExcalidrawElement;
let rect4: ExcalidrawElement;
let text: ExcalidrawElement;
let arrow: ExcalidrawElement;
beforeEach(async () => {
await render(<Excalidraw />);
frame = API.createElement({ id: "id0", type: "frame", x: 0, width: 150 });
rect1 = API.createElement({
id: "id1",
type: "rectangle",
x: -1000,
});
rect2 = API.createElement({
id: "id2",
type: "rectangle",
x: 200,
width: 50,
});
rect3 = API.createElement({
id: "id3",
type: "rectangle",
x: 400,
width: 50,
});
rect4 = API.createElement({
id: "id4",
type: "rectangle",
x: 1000,
width: 50,
});
text = API.createElement({
id: "id5",
type: "text",
x: 100,
});
arrow = API.createElement({
id: "id6",
type: "arrow",
x: 100,
boundElements: [{ id: text.id, type: "text" }],
});
});
const commonTestCases = async (
func: typeof resizeFrameOverElement | typeof dragElementIntoFrame,
) => {
describe("when frame is in a layer below", async () => {
it("should add an element", async () => {
h.elements = [frame, rect2];
func(frame, rect2);
expect(h.elements[0].frameId).toBe(frame.id);
expectEqualIds([rect2, frame]);
});
it("should add elements", async () => {
h.elements = [frame, rect2, rect3];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect2, rect3, frame]);
});
it("should add elements when there are other other elements in between", async () => {
h.elements = [frame, rect1, rect2, rect4, rect3];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect2, rect3, frame, rect1, rect4]);
});
it("should add elements when there are other elements in between and the order is reversed", async () => {
h.elements = [frame, rect3, rect4, rect2, rect1];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect2, rect3, frame, rect4, rect1]);
});
});
describe("when frame is in a layer above", async () => {
it("should add an element", async () => {
h.elements = [rect2, frame];
func(frame, rect2);
expect(h.elements[0].frameId).toBe(frame.id);
expectEqualIds([rect2, frame]);
});
it("should add elements", async () => {
h.elements = [rect2, rect3, frame];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect3, rect2, frame]);
});
it("should add elements when there are other other elements in between", async () => {
h.elements = [rect1, rect2, rect4, rect3, frame];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect1, rect4, rect3, rect2, frame]);
});
it("should add elements when there are other elements in between and the order is reversed", async () => {
h.elements = [rect3, rect4, rect2, rect1, frame];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect4, rect1, rect3, rect2, frame]);
});
});
describe("when frame is in an inner layer", async () => {
it("should add elements", async () => {
h.elements = [rect2, frame, rect3];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect2, rect3, frame]);
});
it("should add elements when there are other other elements in between", async () => {
h.elements = [rect2, rect1, frame, rect4, rect3];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect1, rect2, rect3, frame, rect4]);
});
it("should add elements when there are other elements in between and the order is reversed", async () => {
h.elements = [rect3, rect4, frame, rect2, rect1];
func(frame, rect2);
func(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect4, rect3, rect2, frame, rect1]);
});
});
};
const resizingTest = async (
containerType: "arrow" | "rectangle",
initialOrder: ElementType[],
expectedOrder: ElementType[],
) => {
await render(<Excalidraw />);
const frame = API.createElement({ type: "frame", x: 0, y: 0 });
h.elements = reorderElements(
[
frame,
...convertToExcalidrawElements([
{
type: containerType,
x: 100,
y: 100,
height: 10,
label: { text: "xx" },
},
]),
],
initialOrder,
);
assertOrder(h.elements, initialOrder);
expect(h.elements[1].frameId).toBe(null);
expect(h.elements[2].frameId).toBe(null);
const container = h.elements[1];
resizeFrameOverElement(frame, container);
assertOrder(h.elements, expectedOrder);
expect(h.elements[0].frameId).toBe(frame.id);
expect(h.elements[1].frameId).toBe(frame.id);
};
describe("resizing frame over elements", async () => {
await commonTestCases(resizeFrameOverElement);
it("resizing over text containers and labelled arrows", async () => {
await resizingTest(
"rectangle",
["frame", "rectangle", "text"],
["rectangle", "text", "frame"],
);
await testElements(
await resizingTest(
"rectangle",
["frame", "text", "rectangle"],
["rectangle", "text", "frame"],
);
await testElements(
await resizingTest(
"rectangle",
["rectangle", "text", "frame"],
["rectangle", "text", "frame"],
);
await testElements(
await resizingTest(
"rectangle",
["text", "rectangle", "frame"],
["text", "rectangle", "frame"],
["rectangle", "text", "frame"],
);
await testElements(
await resizingTest(
"arrow",
["frame", "arrow", "text"],
["arrow", "text", "frame"],
);
await testElements(
await resizingTest(
"arrow",
["text", "arrow", "frame"],
["text", "arrow", "frame"],
["arrow", "text", "frame"],
);
await resizingTest(
"arrow",
["frame", "arrow", "text"],
["arrow", "text", "frame"],
);
// FIXME failing in tests (it fails to add elements to frame for some
@ -118,11 +337,104 @@ describe("adding elements to frames", () => {
// ["arrow", "text", "frame"],
// ["arrow", "text", "frame"],
// );
// await testElements(
// "arrow",
// ["frame", "text", "arrow"],
// ["text", "arrow", "frame"],
// );
});
it("should add arrow bound with text when frame is in a layer below", async () => {
h.elements = [frame, arrow, text];
resizeFrameOverElement(frame, arrow);
expect(arrow.frameId).toBe(frame.id);
expect(text.frameId).toBe(frame.id);
expectEqualIds([arrow, text, frame]);
});
it("should add arrow bound with text when frame is in a layer above", async () => {
h.elements = [arrow, text, frame];
resizeFrameOverElement(frame, arrow);
expect(arrow.frameId).toBe(frame.id);
expect(text.frameId).toBe(frame.id);
expectEqualIds([arrow, text, frame]);
});
it("should add arrow bound with text when frame is in an inner layer", async () => {
h.elements = [arrow, frame, text];
resizeFrameOverElement(frame, arrow);
expect(arrow.frameId).toBe(frame.id);
expect(text.frameId).toBe(frame.id);
expectEqualIds([arrow, text, frame]);
});
});
describe("resizing frame over elements but downwards", async () => {
it("should add elements when frame is in a layer below", async () => {
h.elements = [frame, rect1, rect2, rect3, rect4];
resizeFrameOverElement(frame, rect4);
resizeFrameOverElement(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect2, rect3, frame, rect4, rect1]);
});
it("should add elements when frame is in a layer above", async () => {
h.elements = [rect1, rect2, rect3, rect4, frame];
resizeFrameOverElement(frame, rect4);
resizeFrameOverElement(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect1, rect2, rect3, frame, rect4]);
});
it("should add elements when frame is in an inner layer", async () => {
h.elements = [rect1, rect2, frame, rect3, rect4];
resizeFrameOverElement(frame, rect4);
resizeFrameOverElement(frame, rect3);
expect(rect2.frameId).toBe(frame.id);
expect(rect3.frameId).toBe(frame.id);
expectEqualIds([rect1, rect2, rect3, frame, rect4]);
});
});
describe("dragging elements into the frame", async () => {
await commonTestCases(dragElementIntoFrame);
it("should drag element inside, duplicate it and keep it in frame", () => {
h.elements = [frame, rect2];
dragElementIntoFrame(frame, rect2);
const rect2_copy = { ...rect2, id: `${rect2.id}_copy` };
selectElementAndDuplicate(rect2);
expect(rect2_copy.frameId).toBe(frame.id);
expect(rect2.frameId).toBe(frame.id);
expectEqualIds([rect2_copy, rect2, frame]);
});
it("should drag element inside, duplicate it and remove it from frame", () => {
h.elements = [frame, rect2];
dragElementIntoFrame(frame, rect2);
const rect2_copy = { ...rect2, id: `${rect2.id}_copy` };
// move the rect2 outside the frame
selectElementAndDuplicate(rect2, [-1000, -1000]);
expect(rect2_copy.frameId).toBe(frame.id);
expect(rect2.frameId).toBe(null);
expectEqualIds([rect2_copy, frame, rect2]);
});
});
});

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@ -468,14 +468,39 @@ export const addElementsToFrame = (
}
}
let nextElements = allElements.slice();
const allElementsIndex = allElements.reduce(
(acc: Record<string, number>, element, index) => {
acc[element.id] = index;
return acc;
},
{},
);
const frameIndex = allElementsIndex[frame.id];
// need to be calculated before the mutation below occurs
const leftFrameBoundaryIndex = findIndex(
allElements,
(e) => e.frameId === frame.id,
);
const existingFrameChildren = allElements.filter(
(element) => element.frameId === frame.id,
);
const addedFrameChildren_left: ExcalidrawElement[] = [];
const addedFrameChildren_right: ExcalidrawElement[] = [];
const frameBoundary = findIndex(nextElements, (e) => e.frameId === frame.id);
for (const element of omitGroupsContainingFrames(
allElements,
_elementsToAdd,
)) {
if (element.frameId !== frame.id && !isFrameElement(element)) {
if (allElementsIndex[element.id] > frameIndex) {
addedFrameChildren_right.push(element);
} else {
addedFrameChildren_left.push(element);
}
mutateElement(
element,
{
@ -483,28 +508,35 @@ export const addElementsToFrame = (
},
false,
);
const frameIndex = findIndex(nextElements, (e) => e.id === frame.id);
const elementIndex = findIndex(nextElements, (e) => e.id === element.id);
if (elementIndex < frameBoundary) {
nextElements = [
...nextElements.slice(0, elementIndex),
...nextElements.slice(elementIndex + 1, frameBoundary),
element,
...nextElements.slice(frameBoundary),
];
} else if (elementIndex > frameIndex) {
nextElements = [
...nextElements.slice(0, frameIndex),
element,
...nextElements.slice(frameIndex, elementIndex),
...nextElements.slice(elementIndex + 1),
];
}
}
}
const frameElement = allElements[frameIndex];
const nextFrameChildren = addedFrameChildren_left
.concat(existingFrameChildren)
.concat(addedFrameChildren_right);
const nextFrameChildrenMap = nextFrameChildren.reduce(
(acc: Record<string, boolean>, element) => {
acc[element.id] = true;
return acc;
},
{},
);
const nextOtherElements_left = allElements
.slice(0, leftFrameBoundaryIndex >= 0 ? leftFrameBoundaryIndex : frameIndex)
.filter((element) => !nextFrameChildrenMap[element.id]);
const nextOtherElement_right = allElements
.slice(frameIndex + 1)
.filter((element) => !nextFrameChildrenMap[element.id]);
const nextElements = nextOtherElements_left
.concat(nextFrameChildren)
.concat([frameElement])
.concat(nextOtherElement_right);
return nextElements;
};
@ -518,6 +550,7 @@ export const removeElementsFromFrame = (
for (const element of elementsToRemove) {
if (element.frameId) {
_elementsToRemove.push(element);
const boundTextElement = getBoundTextElement(element);
if (boundTextElement) {
_elementsToRemove.push(boundTextElement);
@ -566,7 +599,7 @@ export const replaceAllElementsInFrame = (
);
};
/** does not mutate elements, but return new ones */
/** does not mutate elements, but returns new ones */
export const updateFrameMembershipOfSelectedElements = (
allElements: ExcalidrawElementsIncludingDeleted,
appState: AppState,