From 6a117b8779d1e3c00fbe67cb38c7cde1fe5b0552 Mon Sep 17 00:00:00 2001
From: Naafiyan Ahmed <naafiyan@gmail.com>
Date: Wed, 13 Jul 2022 17:01:21 -0400
Subject: got basic d3js graph to work

---
 src/client/views/nodes/DataVizBox/ChartBox.tsx  | 151 +++++++++---------------
 src/client/views/nodes/DataVizBox/LineChart.tsx | 122 +++++++++++++++++++
 2 files changed, 179 insertions(+), 94 deletions(-)
 create mode 100644 src/client/views/nodes/DataVizBox/LineChart.tsx

(limited to 'src')

diff --git a/src/client/views/nodes/DataVizBox/ChartBox.tsx b/src/client/views/nodes/DataVizBox/ChartBox.tsx
index 42bd8a7f6..36d23d30e 100644
--- a/src/client/views/nodes/DataVizBox/ChartBox.tsx
+++ b/src/client/views/nodes/DataVizBox/ChartBox.tsx
@@ -6,81 +6,37 @@ import { Doc } from '../../../../fields/Doc';
 import { ChartJSOrUndefined } from 'react-chartjs-2/dist/types';
 import { action, computed, observable } from 'mobx';
 import { Cast, StrCast } from '../../../../fields/Types';
-import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, Legend, ResponsiveContainer } from 'recharts';
+// import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, Legend, ResponsiveContainer } from 'recharts';
 import { CategoricalChartState } from 'recharts/types/chart/generateCategoricalChart';
+import { LineChart } from './LineChart';
 
 export interface ChartBoxProps {
     rootDoc: Doc;
     pairs: { x: number; y: number }[];
 }
 
-export interface ChartJsData {
-    labels: number[];
-    datasets: {
-        label: string;
-        data: number[];
-        backgroundColor: string[];
-    }[];
-}
-
-// ChartJS.register(CategoryScale, LinearScale, BarElement, Title, Tooltip, Legend, PointElement, LineElement);
-
 const primaryColor = 'rgba(53, 162, 235, 0.5)';
 const selectedColor = 'rgba(255, 99, 132, 0.5)';
 
-const data = [
-    {
-        name: 'Page A',
-        uv: 4000,
-        pv: 2400,
-        amt: 2400,
-    },
-    {
-        name: 'Page B',
-        uv: 3000,
-        pv: 1398,
-        amt: 2210,
-    },
-    {
-        name: 'Page C',
-        uv: 2000,
-        pv: 9800,
-        amt: 2290,
-    },
-    {
-        name: 'Page D',
-        uv: 2780,
-        pv: 3908,
-        amt: 2000,
-    },
-    {
-        name: 'Page E',
-        uv: 1890,
-        pv: 4800,
-        amt: 2181,
-    },
-    {
-        name: 'Page F',
-        uv: 2390,
-        pv: 3800,
-        amt: 2500,
-    },
-    {
-        name: 'Page G',
-        uv: 3490,
-        pv: 4300,
-        amt: 2100,
-    },
-];
-
 export interface RechartData {
     name: string | number;
     y: number;
 }
 
+export interface DataPoints {
+    x: number;
+    y: number;
+}
+
+export interface ChartData {
+    xLabel: string;
+    yLabel: string;
+    data: DataPoints[];
+}
+
 @observer
 export class ChartBox extends React.Component<ChartBoxProps> {
-    @observable private _chartData: RechartData[] = [];
+    @observable private _chartData: ChartData | undefined = undefined;
 
     @computed get currView() {
         if (this.props.rootDoc._dataVizView) {
@@ -104,16 +60,22 @@ export class ChartBox extends React.Component<ChartBoxProps> {
             return;
         }
 
-        // generate the chart data according to the RechartData type from the pairs prop
-        const chartData: RechartData[] = [];
-        this.props.pairs.forEach(pair => {
-            chartData.push({
-                name: pair.x,
-                y: pair.y,
+        const data: ChartData = {
+            xLabel: '',
+            yLabel: '',
+            data: [],
+        };
+
+        if (this.props.pairs && this.props.pairs.length > 0) {
+            data.xLabel = 'x';
+            data.yLabel = 'y';
+            this.props.pairs.forEach(pair => {
+                data.data.push({ x: pair.x, y: pair.y });
             });
-        });
+        }
 
-        this._chartData = chartData;
+        this._chartData = data;
+        this.props.rootDoc._chartData = JSON.stringify(data);
     }
 
     // @action
@@ -200,35 +162,35 @@ export class ChartBox extends React.Component<ChartBoxProps> {
     //     console.log(e);
     // }
 
-    @computed get reLineChart() {
-        return (
-            <ResponsiveContainer width="80%" height="80%">
-                <LineChart
-                    width={500}
-                    height={300}
-                    data={this._chartData}
-                    margin={{
-                        top: 5,
-                        right: 30,
-                        left: 20,
-                        bottom: 5,
-                    }}
-                    onMouseDown={e => console.log(e)}
-                    onMouseMove={e => this.onMouseMove(e)}>
-                    <CartesianGrid strokeDasharray="3 3" />
-                    <XAxis dataKey="name" onMouseDown={e => console.log(e)} />
-                    <YAxis />
-                    <Tooltip />
-                    <Legend />
-                    <Line type="monotone" dataKey="y" stroke="#8884d8" activeDot={{ r: 8, onClick: this.handleDotClick }} />
-                    {/* <Line type="monotone" dataKey="uv" stroke="#82ca9d" /> */}
-                </LineChart>
-            </ResponsiveContainer>
-        );
-    }
+    // @computed get reLineChart() {
+    //     return (
+    //         // <ResponsiveContainer width="80%" height="80%">
+    //         <LineChart
+    //             width={500}
+    //             height={300}
+    //             data={this._chartData}
+    //             margin={{
+    //                 top: 5,
+    //                 right: 30,
+    //                 left: 20,
+    //                 bottom: 5,
+    //             }}
+    //             onMouseDown={e => console.log(e)}
+    //             onMouseMove={e => this.onMouseMove(e)}>
+    //             <CartesianGrid strokeDasharray="3 3" />
+    //             <XAxis dataKey="name" onMouseDown={e => console.log(e)} />
+    //             <YAxis />
+    //             <Tooltip />
+    //             <Legend />
+    //             <Line type="monotone" dataKey="y" stroke="#8884d8" activeDot={{ r: 8, onClick: this.handleDotClick }} />
+    //             {/* <Line type="monotone" dataKey="uv" stroke="#82ca9d" /> */}
+    //         </LineChart>
+    //         // </ResponsiveContainer>
+    //     );
+    // }
 
     render() {
-        if (this.props.pairs && this._chartData.length > 0) {
+        if (this.props.pairs && this._chartData) {
             return (
                 <div>
                     <div>
@@ -237,7 +199,8 @@ export class ChartBox extends React.Component<ChartBoxProps> {
                         ) : (
                             <Bar ref={this._chartRef} options={this.options} data={this._chartJsData} onClick={e => this.onClick(e)} />
                         )} */}
-                        {this.reLineChart}
+                        {/* {this.reLineChart} */}
+                        <LineChart width={500} height={300} data={this._chartData} />
                     </div>
                     <button onClick={e => this.onClickChangeChart(e)} value="line">
                         Line
diff --git a/src/client/views/nodes/DataVizBox/LineChart.tsx b/src/client/views/nodes/DataVizBox/LineChart.tsx
new file mode 100644
index 000000000..2d2e67d4f
--- /dev/null
+++ b/src/client/views/nodes/DataVizBox/LineChart.tsx
@@ -0,0 +1,122 @@
+import { computed, IReactionDisposer, reaction } from 'mobx';
+import { observer } from 'mobx-react';
+import * as React from 'react';
+import { ChartData, DataPoints } from './ChartBox';
+// import d3
+import * as d3 from 'd3';
+
+interface LineChartProps {
+    data: ChartData;
+    width: number;
+    height: number;
+}
+
+@observer
+export class LineChart extends React.Component<LineChartProps> {
+    private _dataReactionDisposer: IReactionDisposer | undefined = undefined;
+
+    componentDidMount() {
+        console.log('Getting to line chart');
+        this.drawChart();
+        this._dataReactionDisposer = reaction(() => this.props.data, this.drawChart);
+    }
+
+    componentWillUnmount() {
+        if (this._dataReactionDisposer) {
+            this._dataReactionDisposer();
+        }
+    }
+
+    drawChart() {
+        console.log('Getting called');
+        console.log(this.props.data);
+        const margin = { top: 50, right: 50, bottom: 50, left: 50 };
+        const { data } = this.props;
+
+        const yMin = d3.min(data.data, d => d.y);
+        const yMax = d3.max(data.data, d => d.y);
+
+        // TODO: nda - modify data.x to support strings
+
+        const xMin = d3.min(data.data, d => d.x);
+        const xMax = d3.max(data.data, d => d.x);
+
+        // adding svg
+        const svg = d3.select('#chart-container').append('svg').attr('width', '100%').attr('height', '100%').append('g').attr('transform', `translate(${margin.left}, ${margin.top})`);
+
+        // adding tooltip
+        // const tooltip = d3.select('#chart-container').append('div').attr('class', 'tooltip');
+
+        if (!xMin || !xMax || !yMin || !yMax) {
+            // TODO: nda - error handle
+            return;
+        }
+        // adding x axis
+        const xScale = d3.scaleLinear().domain([xMin, xMax]).range([0, this.props.width]);
+
+        const yScale = d3.scaleLinear().domain([yMin, yMax]).range([this.props.height, 0]);
+
+        // create a line function that takes in the data.data.x and data.data.y
+        // TODO: nda - fix the types for the d here
+        const lineGen = d3
+            .line<DataPoints>()
+            .x(d => xScale(d.x))
+            .y(d => yScale(d.y))
+            .curve(d3.curveMonotoneX);
+
+        // adding the line to the svg
+        svg.append('g')
+            .attr('class', 'grid')
+            .attr('transform', `translate(0,${this.props.height})`)
+            .call(
+                d3
+                    .axisBottom(xScale)
+                    .tickSize(-this.props.height)
+                    .tickFormat((a, b) => '')
+            );
+        svg.append('g')
+            .attr('class', 'grid')
+            .call(
+                d3
+                    .axisLeft(yScale)
+                    .tickSize(-this.props.width)
+                    .tickFormat((a, b) => '')
+            );
+        svg.append('g').attr('class', 'x-axis').attr('transform', `translate(0,${this.props.height})`).call(d3.axisBottom(xScale).tickSize(15));
+        svg.append('g').attr('class', 'y-axis').call(d3.axisLeft(yScale));
+
+        // draw the line
+        svg.append('path').datum(data.data).attr('fill', 'none').attr('stroke', '#f6c3d0').attr('stroke-width', 4).attr('class', 'line').attr('d', lineGen);
+
+        const focus = svg.append('g').attr('class', 'focus').style('display', 'none');
+        focus.append('circle').attr('r', 5).attr('class', 'circle');
+        // const tooltip = d3.select('#container').append('div').attr('class', 'tooltip').style('opacity', 0);
+
+        // const mousemove = (event) => {
+        //     const bisect = d3.bisector((d: DataPoints) => d.x).left;
+        //     const xPos = d3.pointer(this)[0];
+        //     const x0 = bisect(data.data, xScale.invert(xPos));
+        //     const d0 = data.data[x0];
+        //     focus.attr('transform', `translate(${xScale(d0.x)},${yScale(d0.y)})`);
+        //     tooltip.transition().duration(300).style('opacity', 0.9);
+        //     tooltip.html(d0.tooltipContent || d0.label).style('transform', `translate(${xScale(d0.label) + 30}px,${yScale(d0.value) - 30}px)`);
+        // }
+
+        // svg.append('rect')
+        //     .attr('class', 'overlay')
+        //     .attr('width', this.props.width)
+        //     .attr('height', this.props.height)
+        //     .style('opacity', 0)
+        //     .on('mouseover', () => {
+        //         focus.style('display', null);
+        //     })
+        //     .on('mouseout', () => {
+        //         tooltip.transition().duration(300).style('opacity', 0);
+        //     })
+        //     .on('mousemove', mousemove);
+    }
+
+    render() {
+        return <div id="chart-container"></div>;
+    }
+}
-- 
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