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import React from 'react';
import 'typeface-roboto';
import orange from '@material-ui/core/colors/orange';
import blue from '@material-ui/core/colors/blue';
import Color from 'color';
import './Matrix.css';
interface MatrixProps {
onClickNode: (i: number, j: number) => void
onHoverNode: (i: number, j: number) => void
data: { d: number[], col: number }[][]
}
export function getNodeColor(d: number, col: number) {
const color = [orange[300], blue[300]];
let base = Color(color[col]).hsl().array();
base[2] = 80;
return Color.hsl(base).darken(Math.min(d / 15, 0.5)).hex();
}
class Matrix extends React.Component<MatrixProps> {
static getColor(s: { d: number[], col: number }) {
return getNodeColor(s.d[s.col], s.col);
}
mouseDown = false;
mousePos = { x: -1, y: -1 };
render() {
const { data, onClickNode, onHoverNode } = this.props;
const { mr, mc, l } = data.length <= 20 ?
{ mr: 'matrixRow', mc: 'matrixCell', l: 24 } :
{ mr: 'smallMatrixRow', mc: 'smallMatrixCell', l: 15 };
return (
<div className={`matrix ${mr} ${mc}`}
onMouseDown={event => {
event.preventDefault();
this.mouseDown = true;
onClickNode(this.mousePos.y, this.mousePos.x);
}}
onMouseUp={event => {
event.preventDefault();
this.mouseDown = false;
}}
onMouseOver={event => {
const bounds = (event.currentTarget as Element).getBoundingClientRect();
const x = Math.floor((event.clientX - bounds.left) / l);
const y = Math.floor((event.clientY - bounds.top) / l);
console.log(y, x, this.mouseDown);
const t = this.mousePos;
this.mousePos = {x, y};
if (!this.mouseDown) return;
if (t.x !== x || t.y !== y)
{
onHoverNode(y, x);
}
}}>
{data.map((row, i) => (
<div key={i}>
{row.map((cell, j) => (
<div key={j}
style={{backgroundColor: Matrix.getColor(cell)}}>
</div>
))}
</div>
))}
</div>);
}
}
export default Matrix;
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