excalidraw/packages/excalidraw/actions/actionTextAutoResize.ts
Ryan Di 971b4d4ae6
feat: text wrapping (#7999)
* resize single elements from the side

* fix lint

* do not resize texts from the sides (for we want to wrap/unwrap)

* omit side handles for frames too

* upgrade types

* enable resizing from the sides for multiple elements as well

* fix lint

* maintain aspect ratio when elements are not of the same angle

* lint

* always resize proportionally for multiple elements

* increase side resizing padding

* code cleanup

* adaptive handles

* do not resize for linear elements with only two points

* prioritize point dragging over edge resizing

* lint

* allow free resizing for multiple elements at degree 0

* always resize from the sides

* reduce hit threshold

* make small multiple elements movable

* lint

* show side handles on touch screen and mobile devices

* differentiate touchscreens

* keep proportional with text in multi-element resizing

* update snapshot

* update multi elements resizing logic

* lint

* reduce side resizing padding

* bound texts do not scale in normal cases

* lint

* test sides for texts

* wrap text

* do not update text size when changing its alignment

* keep text wrapped/unwrapped when editing

* change wrapped size to auto size from context menu

* fix test

* lint

* increase min width for wrapped texts

* wrap wrapped text in container

* unwrap when binding text to container

* rename `wrapped` to `autoResize`

* fix lint

* revert: use `center` align when wrapping text in container

* update snaps

* fix lint

* simplify logic on autoResize

* lint and test

* snapshots

* remove unnecessary code

* snapshots

* fix: defaults not set correctly

* tests for wrapping texts when resized

* tests for text wrapping when edited

* fix autoResize refactor

* include autoResize flag check

* refactor

* feat: rename action label & change contextmenu position

* fix: update version on `autoResize` action

* fix infinite loop when editing text in a container

* simplify

* always maintain `width` if `!autoResize`

* maintain `x` if `!autoResize`

* maintain `y` pos after fontSize change if `!autoResize`

* refactor

* when editing, do not wrap text in textWysiwyg

* simplify text editor

* make test more readable

* comment

* rename action to match file name

* revert function signature change

* only update  in app

---------

Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>
2024-05-15 21:04:53 +08:00

48 lines
1.5 KiB
TypeScript

import { isTextElement } from "../element";
import { newElementWith } from "../element/mutateElement";
import { measureText } from "../element/textElement";
import { getSelectedElements } from "../scene";
import { StoreAction } from "../store";
import type { AppClassProperties } from "../types";
import { getFontString } from "../utils";
import { register } from "./register";
export const actionTextAutoResize = register({
name: "autoResize",
label: "labels.autoResize",
icon: null,
trackEvent: { category: "element" },
predicate: (elements, appState, _: unknown, app: AppClassProperties) => {
const selectedElements = getSelectedElements(elements, appState);
return (
selectedElements.length === 1 &&
isTextElement(selectedElements[0]) &&
!selectedElements[0].autoResize
);
},
perform: (elements, appState, _, app) => {
const selectedElements = getSelectedElements(elements, appState);
return {
appState,
elements: elements.map((element) => {
if (element.id === selectedElements[0].id && isTextElement(element)) {
const metrics = measureText(
element.originalText,
getFontString(element),
element.lineHeight,
);
return newElementWith(element, {
autoResize: true,
width: metrics.width,
height: metrics.height,
text: element.originalText,
});
}
return element;
}),
storeAction: StoreAction.CAPTURE,
};
},
});