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ref(docs): 优化如何让渲染器可通过拖拽调整宽高文档说明 #11330

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ref(docs): 优化如何让渲染器可通过拖拽调整宽高文档说明 #11330

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113 changes: 4 additions & 109 deletions docs/zh-CN/extend/editor.md
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Original file line number Diff line number Diff line change
Expand Up @@ -593,118 +593,13 @@ export class MyRenderer extends React.Component {
}
```

然后插件中加入以下代码即可完成拖拽调整宽高
然后[插件](https://github.com/aisuda/amis-editor-demo?tab=readme-ov-file#%E6%89%A9%E5%85%85%E8%87%AA%E5%AE%9A%E4%B9%89%E7%BC%96%E8%BE%91%E5%99%A8%E6%96%B0%E7%89%88)中修改继承类，即可完成拖拽调整宽高：

```tsx
onActive(event: PluginEvent<ActiveEventContext>) {
const context = event.context;
import {LayoutBasePlugin} from 'amis-editor';

if (context.info?.plugin !== this || !context.node) {
return;
}

const node = context.node!;
node.setHeightMutable(true);
node.setWidthMutable(true);
}

onWidthChangeStart(
event: PluginEvent<
ResizeMoveEventContext,
{
onMove(e: MouseEvent): void;
onEnd(e: MouseEvent): void;
}
>
) {
return this.onSizeChangeStart(event, 'horizontal');
}

onHeightChangeStart(
event: PluginEvent<
ResizeMoveEventContext,
{
onMove(e: MouseEvent): void;
onEnd(e: MouseEvent): void;
}
>
) {
return this.onSizeChangeStart(event, 'vertical');
}

onSizeChangeStart(
event: PluginEvent<
ResizeMoveEventContext,
{
onMove(e: MouseEvent): void;
onEnd(e: MouseEvent): void;
}
>,
direction: 'both' | 'vertical' | 'horizontal' = 'both'
) {
const context = event.context;
const node = context.node;
if (node.info?.plugin !== this) {
return;
}

const resizer = context.resizer;
const dom = context.dom;
const frameRect = dom.parentElement!.getBoundingClientRect();
const rect = dom.getBoundingClientRect();
const startX = context.nativeEvent.pageX;
const startY = context.nativeEvent.pageY;

event.setData({
onMove: (e: MouseEvent) => {
const dy = e.pageY - startY;
const dx = e.pageX - startX;
const height = Math.max(50, rect.height + dy);
const width = Math.max(100, Math.min(rect.width + dx, frameRect.width));
const state: any = {
width,
height
};

if (direction === 'both') {
resizer.setAttribute('data-value', `${width}px x ${height}px`);
} else if (direction === 'vertical') {
resizer.setAttribute('data-value', `${height}px`);
delete state.width;
} else {
resizer.setAttribute('data-value', `${width}px`);
delete state.height;
}

node.updateState(state);

requestAnimationFrame(() => {
node.calculateHighlightBox();
});
},
onEnd: (e: MouseEvent) => {
const dy = e.pageY - startY;
const dx = e.pageX - startX;
const height = Math.max(50, rect.height + dy);
const width = Math.max(100, Math.min(rect.width + dx, frameRect.width));
const state: any = {
width,
height
};

if (direction === 'vertical') {
delete state.width;
} else if (direction === 'horizontal') {
delete state.height;
}

resizer.removeAttribute('data-value');
node.updateSchema(state);
requestAnimationFrame(() => {
node.calculateHighlightBox();
});
}
});
export class MyRendererPlugin extends LayoutBasePlugin {
// ...
}
```

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