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feat(stage): 选中节点时，给所有父节点添加一个className

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This commit is contained in:
roymondchen 2022-05-24 16:28:06 +08:00 committed by jia000
parent bb97c4c6d0
commit d47828976a
2 changed files with 18 additions and 2 deletions
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2
packages/stage/src/StageCore.ts
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@ -160,7 +160,7 @@ export default class StageCore extends EventEmitter {
if (this.renderer.contentWindow) {
removeSelectedClassName(this.renderer.contentWindow.document);
if (this.selectedDom) {
addSelectedClassName(this.selectedDom);
addSelectedClassName(this.selectedDom, this.renderer.contentWindow.document);
}
}
}

18
packages/stage/src/util.ts
View File

@ -19,6 +19,16 @@
import { Mode, SELECTED_CLASS } from './const';
import type { Offset } from './types';
const getParents = (el: Element, relative: Element) => {
let cur: Element | null = el.parentElement;
const parents: Element[] = [];
while (cur && cur !== relative) {
parents.push(cur);
cur = cur.parentElement;
}
return parents;
};
export const getOffset = (el: HTMLElement): Offset => {
const { transform } = getComputedStyle(el);
const { offsetParent } = el;
@ -161,10 +171,16 @@ export const removeSelectedClassName = (doc: Document) => {
if (oldEl) {
oldEl.classList.remove(SELECTED_CLASS);
(oldEl.parentNode as HTMLDivElement)?.classList.remove(`${SELECTED_CLASS}-parent`);
doc.querySelectorAll(`.${SELECTED_CLASS}-parents`).forEach((item) => {
item.classList.remove(`${SELECTED_CLASS}-parents`);
});
}
};
export const addSelectedClassName = (el: Element) => {
export const addSelectedClassName = (el: Element, doc: Document) => {
el.classList.add(SELECTED_CLASS);
(el.parentNode as Element)?.classList.add(`${SELECTED_CLASS}-parent`);
getParents(el, doc.body).forEach((item) => {
item.classList.add(`${SELECTED_CLASS}-parents`);
});
};