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feat(stage): 增加当前拖动的节点的z-index

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roymondchen 2022-03-30 21:51:48 +08:00 committed by khuntoriia
parent bfdd813531
commit 7f3d6c5438
4 changed files with 41 additions and 2 deletions
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11
packages/stage/src/StageCore.ts
View File

@ -35,6 +35,7 @@ import {
UpdateData,
UpdateEventData,
} from './types';
import { addSelectedClassName, removeSelectedClassName } from './util';
export default class StageCore extends EventEmitter {
public selectedDom: Element | undefined;
@ -135,7 +136,8 @@ export default class StageCore extends EventEmitter {
if (el === this.selectedDom) return;
const runtime = await this.renderer?.getRuntime();
const runtime = await this.renderer.getRuntime();
if (runtime?.beforeSelect) {
await runtime.beforeSelect(el);
}
@ -143,6 +145,13 @@ export default class StageCore extends EventEmitter {
this.mask.setLayout(el);
this.dr?.select(el, event);
this.selectedDom = el;
if (this.renderer.contentWindow) {
removeSelectedClassName(this.renderer.contentWindow.document);
if (this.selectedDom) {
addSelectedClassName(this.selectedDom);
}
}
}
/**

13
packages/stage/src/StageRender.ts
View File

@ -18,6 +18,7 @@
import { EventEmitter } from 'events';
import { SELECTED_CLASS, ZIndex } from './const';
import StageCore from './StageCore';
import type { Runtime, RuntimeWindow, StageRenderConfig } from './types';
import { getHost, isSameDomain } from './util';
@ -114,11 +115,23 @@ export default class StageRender extends EventEmitter {
private loadHandler = async () => {
this.emit('onload');
if (this.render) {
const el = await this.render(this.core);
if (el) {
this.iframe?.contentDocument?.body?.appendChild(el);
}
}
if (this.contentWindow) {
const style = this.contentWindow.document.createElement('style');
style.id = 'tmagic-stage-render';
style.innerHTML = `
.${SELECTED_CLASS}, .${SELECTED_CLASS}-parent {
z-index: ${ZIndex.SELECTED_EL};
}
`;
this.contentWindow.document.head.appendChild(style);
}
};
}

3
packages/stage/src/const.ts
View File

@ -29,6 +29,7 @@ export enum GuidesType {
export enum ZIndex {
MASK = '99999',
SELECTED_EL = '666',
}
export enum MouseButton {
@ -42,3 +43,5 @@ export enum Mode {
FIXED = 'fixed',
SORTABLE = 'sortable',
}
export const SELECTED_CLASS = 'tmagic-stage-selected-area';

16
packages/stage/src/util.ts
View File

@ -16,7 +16,7 @@
* limitations under the License.
*/
import { Mode } from './const';
import { Mode, SELECTED_CLASS } from './const';
import type { Offset } from './types';
export const getOffset = (el: HTMLElement): Offset => {
@ -154,3 +154,17 @@ export const createDiv = ({ className, cssText }: { className: string; cssText:
el.style.cssText = cssText;
return el;
};
export const removeSelectedClassName = (doc: Document) => {
const oldEl = doc.querySelector(`.${SELECTED_CLASS}`);
if (oldEl) {
oldEl.classList.remove(SELECTED_CLASS);
(oldEl.parentNode as HTMLDivElement)?.classList.remove(`${SELECTED_CLASS}-parent`);
}
};
export const addSelectedClassName = (el: Element) => {
el.classList.add(SELECTED_CLASS);
(el.parentNode as Element)?.classList.add(`${SELECTED_CLASS}-parent`);
};