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🚀 feat: add ProFlowController component and demos
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jiangchu
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Sep 14, 2023
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import { createStyles } from 'antd-style'; | ||
import { memo } from 'react'; | ||
import { Background, BackgroundVariant } from 'reactflow'; | ||
import ProFlowController from '..'; | ||
import ProFlow from '../../ProFlow'; | ||
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const useStyles = createStyles(({ css }) => ({ | ||
container: css` | ||
width: 100%; | ||
height: 600px; | ||
`, | ||
})); | ||
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const FlowControllerDemo = memo(() => { | ||
const { styles } = useStyles(); | ||
return ( | ||
<div className={styles.container}> | ||
<ProFlow> | ||
<ProFlowController /> | ||
<Background id="1" gap={10} color="#f1f1f1" variant={BackgroundVariant.Lines} /> | ||
</ProFlow> | ||
</div> | ||
); | ||
}); | ||
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export default FlowControllerDemo; |
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--- | ||
group: 容器组件 | ||
title: ProFlowController 画布控制器 | ||
description: | ||
--- | ||
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我们在 ProFlow 中提供了 BloodMap 的基础节点,方便定制样式。 | ||
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## 基础节点 | ||
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## 预览模式 | ||
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BasicNode 组件提供了 `Preview` 子组件用于画布之外的预览。 | ||
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<code src="./demos/FlowControllerDemo.tsx"></code> |
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import { ExpandOutlined, MinusOutlined, PlusOutlined } from '@ant-design/icons'; | ||
import { Button, Space, Tooltip } from 'antd'; | ||
import { createStyles } from 'antd-style'; | ||
import { MiniMap, useReactFlow, useViewport } from 'reactflow'; | ||
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const useStyles = createStyles(({ css }) => ({ | ||
container: css` | ||
position: absolute; | ||
bottom: 0px; | ||
z-index: 100; | ||
right: 10px; | ||
transition: right 0.2s ease; | ||
`, | ||
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visible: css` | ||
right: 387px; | ||
`, | ||
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controlAction: css` | ||
height: 80px; | ||
padding: 8px; | ||
display: flex; | ||
align-items: center; | ||
justify-content: center; | ||
`, | ||
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measureMap: css` | ||
border-radius: 4px; | ||
height: 180px; | ||
display: flex; | ||
align-items: center; | ||
padding: 0; | ||
margin: 0; | ||
right: 0; | ||
bottom: 0; | ||
position: relative; | ||
`, | ||
})); | ||
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interface ProFlowControllerProps { | ||
visible?: boolean; | ||
} | ||
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const ProFlowController: React.FC<Partial<ProFlowControllerProps>> = (props) => { | ||
const { visible = false } = props; | ||
const reactFlow = useReactFlow(); | ||
const { zoom } = useViewport(); | ||
const { styles, cx } = useStyles(); | ||
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const handleZoomIn = () => { | ||
reactFlow.zoomIn(); | ||
}; | ||
const handleZoomOut = () => { | ||
reactFlow.zoomOut(); | ||
}; | ||
const handleZoomFit = () => { | ||
reactFlow.fitView(); | ||
}; | ||
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const handleZoomTo = () => { | ||
if (zoom === 1) { | ||
reactFlow.zoomTo(0.5); | ||
} else { | ||
reactFlow.zoomTo(1); | ||
} | ||
}; | ||
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return ( | ||
<div className={cx(styles.container, visible && styles.visible)}> | ||
<div className={styles.controlAction}> | ||
<Space> | ||
<Button icon={<MinusOutlined />} onClick={handleZoomOut} /> | ||
<Tooltip title={zoom === 1 ? '缩放为 2:1' : '缩放为 1:1'}> | ||
<Button onClick={handleZoomTo}>{Math.round(zoom * 100)}%</Button> | ||
</Tooltip> | ||
<Button icon={<PlusOutlined />} onClick={handleZoomIn} /> | ||
<Tooltip title={'自适应画布'}> | ||
<Button icon={<ExpandOutlined />} onClick={handleZoomFit} /> | ||
</Tooltip> | ||
</Space> | ||
</div> | ||
<MiniMap | ||
className={styles.measureMap} | ||
pannable | ||
onNodeClick={(_, data) => { | ||
const bound = { | ||
...data.position, | ||
height: data.height!, | ||
width: data.width!, | ||
}; | ||
reactFlow.fitBounds(bound, { padding: 0.5 }); | ||
}} | ||
/> | ||
</div> | ||
); | ||
}; | ||
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export default ProFlowController; |