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import React from "react";
import { act, unmountComponent, render } from "./test-utils";
import { Excalidraw } from "../index";
import { defaultLang, setLanguage } from "../i18n";
import { UI, Pointer, Keyboard } from "./helpers/ui";
import { API } from "./helpers/api";
import { KEYS } from "../keys";
import {
actionAlignVerticallyCentered,
actionAlignHorizontallyCentered,
actionGroup,
actionAlignTop,
actionAlignBottom,
actionAlignLeft,
actionAlignRight,
} from "../actions";
const mouse = new Pointer("mouse");
const createAndSelectTwoRectangles = () => {
UI.clickTool("rectangle");
mouse.down();
mouse.up(100, 100);
UI.clickTool("rectangle");
mouse.down(10, 10);
mouse.up(100, 100);
// Select the first element.
// The second rectangle is already reselected because it was the last element created
mouse.reset();
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
};
const createAndSelectTwoRectanglesWithDifferentSizes = () => {
UI.clickTool("rectangle");
mouse.down();
mouse.up(100, 100);
UI.clickTool("rectangle");
mouse.down(10, 10);
mouse.up(110, 110);
// Select the first element.
// The second rectangle is already reselected because it was the last element created
mouse.reset();
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
};
describe("aligning", () => {
beforeEach(async () => {
unmountComponent();
mouse.reset();
await act(() => {
return setLanguage(defaultLang);
});
await render(<Excalidraw handleKeyboardGlobally={true} />);
});
it("aligns two objects correctly to the top", () => {
createAndSelectTwoRectangles();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
Keyboard.withModifierKeys({ ctrl: true, shift: true }, () => {
Keyboard.keyPress(KEYS.ARROW_UP);
});
// Check if x position did not change
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(0);
});
it("aligns two objects correctly to the bottom", () => {
createAndSelectTwoRectangles();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
Keyboard.withModifierKeys({ ctrl: true, shift: true }, () => {
Keyboard.keyPress(KEYS.ARROW_DOWN);
});
// Check if x position did not change
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(110);
expect(API.getSelectedElements()[1].y).toEqual(110);
});
it("aligns two objects correctly to the left", () => {
createAndSelectTwoRectangles();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
Keyboard.withModifierKeys({ ctrl: true, shift: true }, () => {
Keyboard.keyPress(KEYS.ARROW_LEFT);
});
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(0);
// Check if y position did not change
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
});
it("aligns two objects correctly to the right", () => {
createAndSelectTwoRectangles();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
Keyboard.withModifierKeys({ ctrl: true, shift: true }, () => {
Keyboard.keyPress(KEYS.ARROW_RIGHT);
});
expect(API.getSelectedElements()[0].x).toEqual(110);
expect(API.getSelectedElements()[1].x).toEqual(110);
// Check if y position did not change
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
});
it("centers two objects with different sizes correctly vertically", () => {
createAndSelectTwoRectanglesWithDifferentSizes();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
API.executeAction(actionAlignVerticallyCentered);
// Check if x position did not change
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(60);
expect(API.getSelectedElements()[1].y).toEqual(55);
});
it("centers two objects with different sizes correctly horizontally", () => {
createAndSelectTwoRectanglesWithDifferentSizes();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(110);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
API.executeAction(actionAlignHorizontallyCentered);
expect(API.getSelectedElements()[0].x).toEqual(60);
expect(API.getSelectedElements()[1].x).toEqual(55);
// Check if y position did not change
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(110);
});
const createAndSelectGroupAndRectangle = () => {
UI.clickTool("rectangle");
mouse.down();
mouse.up(100, 100);
UI.clickTool("rectangle");
mouse.down(0, 0);
mouse.up(100, 100);
// Select the first element.
// The second rectangle is already reselected because it was the last element created
mouse.reset();
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
API.executeAction(actionGroup);
mouse.reset();
UI.clickTool("rectangle");
mouse.down(200, 200);
mouse.up(100, 100);
// Add the created group to the current selection
mouse.restorePosition(0, 0);
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
};
it("aligns a group with another element correctly to the top", () => {
createAndSelectGroupAndRectangle();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
API.executeAction(actionAlignTop);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(0);
});
it("aligns a group with another element correctly to the bottom", () => {
createAndSelectGroupAndRectangle();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
API.executeAction(actionAlignBottom);
expect(API.getSelectedElements()[0].y).toEqual(100);
expect(API.getSelectedElements()[1].y).toEqual(200);
expect(API.getSelectedElements()[2].y).toEqual(200);
});
it("aligns a group with another element correctly to the left", () => {
createAndSelectGroupAndRectangle();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
API.executeAction(actionAlignLeft);
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(0);
});
it("aligns a group with another element correctly to the right", () => {
createAndSelectGroupAndRectangle();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
API.executeAction(actionAlignRight);
expect(API.getSelectedElements()[0].x).toEqual(100);
expect(API.getSelectedElements()[1].x).toEqual(200);
expect(API.getSelectedElements()[2].x).toEqual(200);
});
it("centers a group with another element correctly vertically", () => {
createAndSelectGroupAndRectangle();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
API.executeAction(actionAlignVerticallyCentered);
expect(API.getSelectedElements()[0].y).toEqual(50);
expect(API.getSelectedElements()[1].y).toEqual(150);
expect(API.getSelectedElements()[2].y).toEqual(100);
});
it("centers a group with another element correctly horizontally", () => {
createAndSelectGroupAndRectangle();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
API.executeAction(actionAlignHorizontallyCentered);
expect(API.getSelectedElements()[0].x).toEqual(50);
expect(API.getSelectedElements()[1].x).toEqual(150);
expect(API.getSelectedElements()[2].x).toEqual(100);
});
const createAndSelectTwoGroups = () => {
UI.clickTool("rectangle");
mouse.down();
mouse.up(100, 100);
UI.clickTool("rectangle");
mouse.down(0, 0);
mouse.up(100, 100);
// Select the first element.
// The second rectangle is already selected because it was the last element created
mouse.reset();
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
API.executeAction(actionGroup);
mouse.reset();
UI.clickTool("rectangle");
mouse.down(200, 200);
mouse.up(100, 100);
UI.clickTool("rectangle");
mouse.down();
mouse.up(100, 100);
mouse.restorePosition(200, 200);
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
API.executeAction(actionGroup);
// Select the first group.
// The second group is already selected because it was the last group created
mouse.reset();
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
};
it("aligns two groups correctly to the top", () => {
createAndSelectTwoGroups();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(300);
API.executeAction(actionAlignTop);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(0);
expect(API.getSelectedElements()[3].y).toEqual(100);
});
it("aligns two groups correctly to the bottom", () => {
createAndSelectTwoGroups();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(300);
API.executeAction(actionAlignBottom);
expect(API.getSelectedElements()[0].y).toEqual(200);
expect(API.getSelectedElements()[1].y).toEqual(300);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(300);
});
it("aligns two groups correctly to the left", () => {
createAndSelectTwoGroups();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(300);
API.executeAction(actionAlignLeft);
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(0);
expect(API.getSelectedElements()[3].x).toEqual(100);
});
it("aligns two groups correctly to the right", () => {
createAndSelectTwoGroups();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(300);
API.executeAction(actionAlignRight);
expect(API.getSelectedElements()[0].x).toEqual(200);
expect(API.getSelectedElements()[1].x).toEqual(300);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(300);
});
it("centers two groups correctly vertically", () => {
createAndSelectTwoGroups();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(300);
API.executeAction(actionAlignVerticallyCentered);
expect(API.getSelectedElements()[0].y).toEqual(100);
expect(API.getSelectedElements()[1].y).toEqual(200);
expect(API.getSelectedElements()[2].y).toEqual(100);
expect(API.getSelectedElements()[3].y).toEqual(200);
});
it("centers two groups correctly horizontally", () => {
createAndSelectTwoGroups();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(300);
API.executeAction(actionAlignHorizontallyCentered);
expect(API.getSelectedElements()[0].x).toEqual(100);
expect(API.getSelectedElements()[1].x).toEqual(200);
expect(API.getSelectedElements()[2].x).toEqual(100);
expect(API.getSelectedElements()[3].x).toEqual(200);
});
const createAndSelectNestedGroupAndRectangle = () => {
UI.clickTool("rectangle");
mouse.down();
mouse.up(100, 100);
UI.clickTool("rectangle");
mouse.down(0, 0);
mouse.up(100, 100);
// Select the first element.
// The second rectangle is already reselected because it was the last element created
mouse.reset();
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
// Create first group of rectangles
API.executeAction(actionGroup);
mouse.reset();
UI.clickTool("rectangle");
mouse.down(200, 200);
mouse.up(100, 100);
// Add group to current selection
mouse.restorePosition(0, 0);
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
// Create the nested group
API.executeAction(actionGroup);
mouse.reset();
UI.clickTool("rectangle");
mouse.down(300, 300);
mouse.up(100, 100);
// Select the nested group, the rectangle is already selected
mouse.reset();
Keyboard.withModifierKeys({ shift: true }, () => {
mouse.click();
});
};
it("aligns nested group and other element correctly to the top", () => {
createAndSelectNestedGroupAndRectangle();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(300);
API.executeAction(actionAlignTop);
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(0);
});
it("aligns nested group and other element correctly to the bottom", () => {
createAndSelectNestedGroupAndRectangle();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(300);
API.executeAction(actionAlignBottom);
expect(API.getSelectedElements()[0].y).toEqual(100);
expect(API.getSelectedElements()[1].y).toEqual(200);
expect(API.getSelectedElements()[2].y).toEqual(300);
expect(API.getSelectedElements()[3].y).toEqual(300);
});
it("aligns nested group and other element correctly to the left", () => {
createAndSelectNestedGroupAndRectangle();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(300);
API.executeAction(actionAlignLeft);
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(0);
});
it("aligns nested group and other element correctly to the right", () => {
createAndSelectNestedGroupAndRectangle();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(300);
API.executeAction(actionAlignRight);
expect(API.getSelectedElements()[0].x).toEqual(100);
expect(API.getSelectedElements()[1].x).toEqual(200);
expect(API.getSelectedElements()[2].x).toEqual(300);
expect(API.getSelectedElements()[3].x).toEqual(300);
});
it("centers nested group and other element correctly vertically", () => {
createAndSelectNestedGroupAndRectangle();
expect(API.getSelectedElements()[0].y).toEqual(0);
expect(API.getSelectedElements()[1].y).toEqual(100);
expect(API.getSelectedElements()[2].y).toEqual(200);
expect(API.getSelectedElements()[3].y).toEqual(300);
API.executeAction(actionAlignVerticallyCentered);
expect(API.getSelectedElements()[0].y).toEqual(50);
expect(API.getSelectedElements()[1].y).toEqual(150);
expect(API.getSelectedElements()[2].y).toEqual(250);
expect(API.getSelectedElements()[3].y).toEqual(150);
});
it("centers nested group and other element correctly horizontally", () => {
createAndSelectNestedGroupAndRectangle();
expect(API.getSelectedElements()[0].x).toEqual(0);
expect(API.getSelectedElements()[1].x).toEqual(100);
expect(API.getSelectedElements()[2].x).toEqual(200);
expect(API.getSelectedElements()[3].x).toEqual(300);
API.executeAction(actionAlignHorizontallyCentered);
expect(API.getSelectedElements()[0].x).toEqual(50);
expect(API.getSelectedElements()[1].x).toEqual(150);
expect(API.getSelectedElements()[2].x).toEqual(250);
expect(API.getSelectedElements()[3].x).toEqual(150);
});
});
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