feat: Background dots

This commit is contained in:
AndyLnd
2019-10-09 16:58:40 +02:00
parent 7375bf979a
commit 6726a3bbaa
2 changed files with 48 additions and 35 deletions
+47 -34
View File
@@ -1,18 +1,40 @@
import React, { memo } from 'react'; import React, {memo} from 'react';
import PropTypes from 'prop-types'; import PropTypes from 'prop-types';
import { useStoreState } from 'easy-peasy'; import {useStoreState} from 'easy-peasy';
import classnames from 'classnames'; import classnames from 'classnames';
const baseStyles = { const baseStyles = {
position: 'absolute', position: 'absolute',
top: 0, top: 0,
left: 0 left: 0,
}; };
const Grid = memo(({ const createGridLines = (width, height, xOffset, yOffset, gap) => {
gap, strokeColor, strokeWidth, style, const lineCountX = Math.ceil(width / gap) + 1;
className const lineCountY = Math.ceil(height / gap) + 1;
}) => {
const xValues = Array.from({length: lineCountX}, (_, i) => `M${i * gap + xOffset} 0 V${height}`);
const yValues = Array.from({length: lineCountY}, (_, i) => `M0 ${i * gap + yOffset} H${width}`);
return [...xValues, ...yValues].join(' ');
};
const createGridDots = (width, height, xOffset, yOffset, gap, size) => {
const lineCountX = Math.ceil(width / gap) + 1;
const lineCountY = Math.ceil(height / gap) + 1;
const values = Array.from({length: lineCountX}, (_, col) => {
const x = col * gap + xOffset;
return Array.from({length: lineCountY},(_,row)=>{
const y = row * gap + yOffset;
return `M${x} ${y-size} l${size} ${size} l${-size} ${size} l${-size} ${-size}z`
}).join(' ');
});
return values.join(' ');
};
const Grid = memo(({gap, color, size, style, className, gridStyle}) => {
const { const {
width, width,
height, height,
@@ -22,30 +44,19 @@ const Grid = memo(({
const gridClasses = classnames('react-flow__grid', className); const gridClasses = classnames('react-flow__grid', className);
const scaledGap = gap * scale; const scaledGap = gap * scale;
const xStart = x % scaledGap; const xOffset = x % scaledGap;
const yStart = y % scaledGap; const yOffset = y % scaledGap;
const isLines = gridStyle === 'lines';
const path = isLines
? createGridLines(width, height, xOffset, yOffset, scaledGap)
: createGridDots(width, height, xOffset, yOffset, scaledGap, size);
const lineCountX = Math.ceil(width / scaledGap) + 1; const fill = isLines ? 'none' : color;
const lineCountY = Math.ceil(height / scaledGap) + 1; const stroke = isLines ? color : 'none';
const xValues = Array.from({length: lineCountX}, (_, index) => `M${index * scaledGap + xStart} 0 V${height}`);
const yValues = Array.from({length: lineCountY}, (_, index) => `M0 ${index * scaledGap + yStart} H${width}`);
const path = [...xValues, ...yValues].join(' ');
return ( return (
<svg <svg width={width} height={height} style={{...baseStyles, ...style}} className={gridClasses}>
width={width} <path fill={fill} stroke={stroke} strokeWidth={size} d={path} />
height={height}
style={{ ...baseStyles, ...style }}
className={gridClasses}
>
<path
fill="none"
stroke={strokeColor}
strokeWidth={strokeWidth}
d={path}
/>
</svg> </svg>
); );
}); });
@@ -54,18 +65,20 @@ Grid.displayName = 'Grid';
Grid.propTypes = { Grid.propTypes = {
gap: PropTypes.number, gap: PropTypes.number,
strokeColor: PropTypes.string, color: PropTypes.string,
strokeWidth: PropTypes.number, size: PropTypes.number,
style: PropTypes.object, style: PropTypes.object,
className: PropTypes.string className: PropTypes.string,
gridStyle: PropTypes.oneOf(['lines', 'dots']),
}; };
Grid.defaultProps = { Grid.defaultProps = {
gap: 24, gap: 24,
strokeColor: '#999', color: '#999',
strokeWidth:0.1, size: .5,
style: {}, style: {},
className: null className: null,
gridStyle: 'dots',
}; };
export default Grid; export default Grid;
+1 -1
View File
@@ -72,7 +72,7 @@ const GraphView = memo(({
{showBackground && ( {showBackground && (
<BackgroundRenderer <BackgroundRenderer
gap={backgroundGap} gap={backgroundGap}
strokeColor={backgroundColor} color={backgroundColor}
backgroundType={backgroundType} backgroundType={backgroundType}
/> />
)} )}