FrontMizfaTools commented on issue #12327:
URL: https://github.com/apache/echarts/issues/12327#issuecomment-2063042850
const handleZoomIn = () => {
if (zoomLevel < maxZoomLevel) {
zoomLevel = zoomLevel + 0.3;
}
chartRef.current.getEchartsInstance().setOption(
{
series: {
zoom: zoomLevel + 0.3
}
},
false
);
};
same issue in here
im not using state so we dont have any problem about rerender.
Im trying to have a zoom button for changing the zoom level of data. but
its reseting collapse and expand of tree data.
the full source:
import React, { useEffect, useRef, useState } from 'react';
import ReactEChartsCore from 'echarts-for-react/lib/core';
import { TreeChart } from 'echarts/charts';
import {
GridComponent,
TitleComponent,
TooltipComponent
} from 'echarts/components';
import * as echarts from 'echarts/core';
import { CanvasRenderer } from 'echarts/renderers';
import { getColor } from 'helpers/utils';
import { Button, Card, Form, OverlayTrigger, Popover } from
'react-bootstrap';
import FalconCardHeader from 'components/common/FalconCardHeader';
import HelpTooltip from 'components/common/HelpTooltip';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import CardChartDropDown from 'components/common/CardChartDropDown';
import { useAppContext } from 'Main';
import { crawlTooltip } from 'tooltip/crawl/crawlTooltips';
echarts.use([
TitleComponent,
TooltipComponent,
GridComponent,
TreeChart,
CanvasRenderer
]); // تنظیمات نمودار
let zoomLevel = 1;
const maxZoomLevel = 20;
const minZoomLevel = 0.001;
const getOption = data => ({
textStyle: {
fontFamily: 'dana'
},
formatter: params => console.log('FORMATTER', params),
// نحوه نمایش تولتیپ نمودار
tooltip: {
trigger: 'item',
triggerOn: 'mousemove',
padding: [7, 10],
backgroundColor: getColor('gray-100'),
borderColor: getColor('gray-300'),
textStyle: { color: getColor('gray-1100'), fontSize: 8 },
borderWidth: 1,
show: false,
formatter: params => {
return `<div>
<div style="direction:rtl;" class="d-flex gap-1 justify-content-start"
>
<span class="fw-bolder">
کلمه:
</span>
<span style="direction:ltr;"> ${params.name} </span>
</div>
<span class="fw-bolder">
</div>`;
},
transitionDuration: 0,
axisPointer: {
type: 'none'
}
},
series: [
{
// تنظیمات نمایشی نمودار
roam: true,
layout: 'orthogonal',
scaleLimit: {
min: minZoomLevel,
max: maxZoomLevel
},
type: 'tree',
data: [data],
top: '1%',
left: '7%',
bottom: '1%',
itemStyle: {
color: getColor('primary'),
backgroundColor: 'red',
borderWidth: '30px'
},
right: '20%',
lineStyle: { color: getColor('primary') },
label: {
position: 'left',
verticalAlign: 'middle',
align: 'right',
color: getColor('gray-1100'),
border: 0,
fontSize: 8,
formatter: params => decodeURIComponent(params.name)
},
showSymbol: true,
symbol: 'emptyCircle',
symbolSize: 10,
leaves: {
label: {
position: 'right',
verticalAlign: 'middle',
align: 'left'
},
itemStyle: {
color: getColor('primary'),
borderRadius: [0, 3, 3, 0]
}
},
expandAndCollapse: true,
animationDuration: 550,
animationDurationUpdate: 750
}
]
});
// نمودار درخت پایه
const Tree = ({ data, layout = 'orthogonal', title = '' }) => {
const chartRef = useRef(null);
const [fontSize, setFontSize] = useState(8);
// کنترل ریست نمودار
const handleZoomReset = () => {
zoomLevel = 1;
chartRef.current.getEchartsInstance().dispatchAction({
type: 'restore'
});
};
// افزودن زوم نمودار
const handleZoomIn = () => {
if (zoomLevel < maxZoomLevel) {
zoomLevel = zoomLevel + 0.3;
}
chartRef.current.getEchartsInstance().setOption(
{
series: {
zoom: zoomLevel + 0.3
}
},
false
);
};
//کم کردن زوم نمودار
const handleZoomOut = () => {
if (zoomLevel > minZoomLevel) {
zoomLevel = zoomLevel - 0.3;
}
chartRef.current.getEchartsInstance().setOption(
{
series: {
zoom: zoomLevel - 0.3
}
},
false
);
};
const {
config: { isDark }
} = useAppContext();
const cardRef = useRef();
const handleFontChange = size => {
console.log(size, chartRef?.current?.getEchartsInstance().getOption());
chartRef?.current?.getEchartsInstance().setOption({
series: [
{
lable: {
fontSize: size
}
}
]
});
};
return (
<Card className="my-2" ref={cardRef}>
<FalconCardHeader
title={
<div>
{title}
<HelpTooltip html={crawlTooltip.crawlerLinkGraph.tree} />
</div>
}
titleTag="h6"
className="py-3"
light
endEl={<CardChartDropDown cardRef={cardRef} chartRef={chartRef} />}
/>
<Card.Body className="py-2 my-2 position-relative">
<ReactEChartsCore
ref={chartRef}
echarts={echarts}
option={getOption(data)}
style={{ height: '800px' }}
/>
{/* دکمه های نمودار */}
<div className="position-absolute d-flex flex-column top-0 mt-3">
<div className="rounded-3 bg-body-tertiary border-400 w-100
border">
<Button
variant="link"
size="sm"
className="bg-100 d-flex align-items-center
justify-content-center rounded-bottom-0 p-2 text-700"
onClick={handleZoomIn}
>
<FontAwesomeIcon icon="plus" className="fs--1" />
</Button>
<hr className="m-0 text-300" />
<Button
variant="link"
size="sm"
className="bg-100 d-flex align-items-center
justify-content-center rounded-top-0 p-2 text-700"
onClick={handleZoomReset}
>
<FontAwesomeIcon icon="undo-alt" className="fs--1" />
</Button>
<hr className="m-0 text-300" />
<Button
variant="link"
size="sm"
className="bg-100 d-flex align-items-center
justify-content-center rounded-top-0 p-2 text-700"
onClick={handleZoomOut}
>
<FontAwesomeIcon icon="minus" className="fs--1" />
</Button>
</div>
<div className="bg-body-tertiary mt-3">
<div className="bg-body-tertiary mt-1 ">
<Button
variant="link"
size="sm"
// تمام صفحه کردن نمودار
onClick={() => {
if (!document.fullscreenElement) {
cardRef.current.requestFullscreen();
} else {
document.exitFullscreen();
}
}}
className="bg-100 d-flex align-items-center
justify-content-center rounded-3 border border-400 w-100 p-2 text-700"
>
<FontAwesomeIcon
icon={
document.fullscreenElement
? 'compress-arrows-alt'
: 'expand-arrows-alt'
}
className="fs--1"
/>
</Button>
</div>
</div>
{/* تغییر دهنده اندازه نمودار */}
<OverlayTrigger
trigger="click"
rootClose
placement="bottom"
overlay={
<Popover id="popover-basic" style={{ width: '350px' }}>
<Popover.Header
as="h3"
className="d-flex justify-content-between
align-items-center"
>
تغییر اندازه فونت
<span className="fs--1" style={{ direction: 'ltr' }}>
{fontSize} px
</span>
</Popover.Header>
<Popover.Body className="p-0">
<div
className="p-2 d-flex align-items-center"
style={{ direction: 'ltr' }}
>
<Form.Range
max={50}
min={0}
defaultValue={8}
// value={fontSize}
variant="primary"
onChange={e =>
handleFontChange(Number(e.target.value))}
/>
</div>
</Popover.Body>
</Popover>
}
>
<div className="bg-body-tertiary mt-1 ">
<Button
variant="link"
size="sm"
className="bg-100 d-flex align-items-center
justify-content-center rounded-3 border border-400 w-100 p-2 text-700"
>
<FontAwesomeIcon icon="text-height" className="fs--1" />
</Button>
</div>
</OverlayTrigger>
<div className="bg-body-tertiary mt-1 ">
<Button
onClick={() => {
// ذخیره کننده عکس نمودار
const dataURL = chartRef.current
.getEchartsInstance()
.getDataURL({
type: 'png',
pixelRatio: 1,
backgroundColor: isDark ? '#121e2d' : '#fff'
});
const link = document.createElement('a');
link.href = dataURL;
link.setAttribute('download', 'chart-from-Mizfa-Tools.png');
link.style.display = 'none';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}}
variant="link"
size="sm"
className="bg-100 d-flex align-items-center
justify-content-center rounded-3 border border-400 w-100 p-2 text-700"
>
<FontAwesomeIcon icon="save" className="fs--1" />
</Button>
</div>
</div>
</Card.Body>
</Card>
);
};
export default Tree;
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