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* Copyright 2021 Harness Inc. All rights reserved.
* Use of this source code is governed by the PolyForm Shield 1.0.0 license
* that can be found in the licenses directory at the root of this repository, also available at
* https://polyformproject.org/wp-content/uploads/2020/06/PolyForm-Shield-1.0.0.txt.
*/
import React, { useCallback } from 'react'
import { Layout, ButtonGroup, Button, ButtonVariation } from '@wings-software/uicore'
import type { DiagramEngine } from '@projectstorm/react-diagrams-core'
import cx from 'classnames'
import { useStrings } from 'framework/strings'
import css from './CanvasButtons.module.scss'
export enum CanvasButtonsActions {
ZoomIn,
ZoomOut,
Reset,
ZoomToFit
}
interface CanvasButtonsProps {
engine: DiagramEngine
className?: string
callback?: (action: CanvasButtonsActions) => void
tooltipPosition?: string
layout?: 'horizontal' | 'vertical'
}
export function CanvasButtons({
engine,
callback,
className = '',
tooltipPosition = 'left',
layout = 'vertical'
}: CanvasButtonsProps): React.ReactElement {
const { getString } = useStrings()
const zoomToFit = useCallback(
e => {
e.stopPropagation()
engine.getModel().setZoomLevel(100)
engine.zoomToFit()
callback?.(CanvasButtonsActions.ZoomToFit)
},
[engine, callback]
)
const zoomReset = useCallback(
e => {
e.stopPropagation()
engine.getModel().setZoomLevel(100)
engine.getModel().setOffset(0, 0)
engine.repaintCanvas()
callback?.(CanvasButtonsActions.Reset)
},
[engine, callback]
)
const zoomIn = useCallback(
e => {
e.stopPropagation()
const zoomLevel = engine.getModel().getZoomLevel()
engine.getModel().setZoomLevel(zoomLevel + 20)
engine.repaintCanvas()
callback?.(CanvasButtonsActions.ZoomIn)
},
[engine, callback]
)
const zoomOut = useCallback(
e => {
e.stopPropagation()
const zoomLevel = engine.getModel().getZoomLevel()
// Minimum Zoom level should be 40
Eif (zoomLevel >= 60) {
engine.getModel().setZoomLevel(zoomLevel - 20)
engine.repaintCanvas()
callback?.(CanvasButtonsActions.ZoomOut)
}
},
[engine, callback]
)
const renderButtons = () => (
<>
<ButtonGroup>
<Button
variation={ButtonVariation.TERTIARY}
icon="canvas-position"
tooltip={getString('canvasButtons.zoomToFit')}
tooltipProps={{ position: tooltipPosition as any }}
onClick={zoomToFit}
/>
</ButtonGroup>
<ButtonGroup>
<Button
variation={ButtonVariation.TERTIARY}
icon="canvas-selector"
tooltip={getString('reset')}
onClick={zoomReset}
tooltipProps={{ position: tooltipPosition as any }}
/>
</ButtonGroup>
<span className={layout === 'vertical' ? css.verticalButtons : ''}>
<ButtonGroup>
<Button
variation={ButtonVariation.TERTIARY}
icon="zoom-in"
tooltip={getString('canvasButtons.zoomIn')}
onClick={zoomIn}
tooltipProps={{ position: tooltipPosition as any }}
/>
<Button
variation={ButtonVariation.TERTIARY}
icon="zoom-out"
tooltip={getString('canvasButtons.zoomOut')}
onClick={zoomOut}
tooltipProps={{ position: tooltipPosition as any }}
/>
</ButtonGroup>
</span>
</>
)
return (
<span className={cx(css.canvasButtons, className)}>
{layout === 'horizontal' ? (
<Layout.Horizontal spacing="medium" id="button-group">
{renderButtons()}
</Layout.Horizontal>
) : (
<Layout.Vertical spacing="medium" id="button-group">
{renderButtons()}
</Layout.Vertical>
)}
</span>
)
}
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