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import { Toggle, ToggleType, Type } from 'browndash-components';
import { action, computed, ObservableMap } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { Doc, Field, StrListCast } from '../../../../fields/Doc';
import { List } from '../../../../fields/List';
import { Cast, CsvCast, StrCast } from '../../../../fields/Types';
import { CsvField } from '../../../../fields/URLField';
import { Docs } from '../../../documents/Documents';
import { ViewBoxAnnotatableComponent } from '../../DocComponent';
import { FieldView, FieldViewProps } from '../FieldView';
import { PinProps } from '../trails';
import { Histogram } from './components/Histogram';
import { LineChart } from './components/LineChart';
import { PieChart } from './components/PieChart';
import { TableBox } from './components/TableBox';
import './DataVizBox.scss';
export enum DataVizView {
TABLE = 'table',
LINECHART = 'lineChart',
HISTOGRAM = 'histogram',
PIECHART = 'pieChart',
}
@observer
export class DataVizBox extends ViewBoxAnnotatableComponent<FieldViewProps>() {
public static LayoutString(fieldStr: string) {
return FieldView.LayoutString(DataVizBox, fieldStr);
}
// all datasets that have been retrieved from the server stored as a map from the dataset url to an array of records
static dataset = new ObservableMap<string, { [key: string]: string }[]>();
private _vizRenderer: LineChart | Histogram | PieChart | undefined;
// all CSV records in the dataset (that aren't an empty row)
@computed.struct get records() {
var records = DataVizBox.dataset.get(CsvCast(this.dataDoc[this.fieldKey]).url.href);
return records?.filter(record => Object.keys(record).some(key => record[key])) ?? [];
}
// currently chosen visualization type: line, pie, histogram, table
@computed get dataVizView(): DataVizView {
return StrCast(this.layoutDoc._dataViz, 'table') as DataVizView;
}
@computed get dataUrl() {
return Cast(this.dataDoc[this.fieldKey], CsvField);
}
@computed.struct get axes() {
return StrListCast(this.layoutDoc.dataViz_axes);
}
selectAxes = (axes: string[]) => (this.layoutDoc.dataViz_axes = new List<string>(axes));
@action // pinned / linked anchor doc includes selected rows, graph titles, and graph colors
restoreView = (data: Doc) => {
const changedView = this.dataVizView !== data.config_dataViz && (this.layoutDoc._dataViz = data.config_dataViz);
const changedAxes = this.axes.join('') !== StrListCast(data.config_dataVizAxes).join('') && (this.layoutDoc._dataViz_axes = new List<string>(StrListCast(data.config_dataVizAxes)));
this.layoutDoc.dataViz_selectedRows = Field.Copy(data.dataViz_selectedRows);
this.layoutDoc.dataViz_histogram_barColors = Field.Copy(data.dataViz_histogram_barColors);
this.layoutDoc.dataViz_histogram_defaultColor = data.dataViz_histogram_defaultColor;
this.layoutDoc.dataViz_pie_sliceColors = Field.Copy(data.dataViz_pie_sliceColors);
Object.keys(this.layoutDoc).map(key => {
if (key.startsWith('dataViz_histogram_title') || key.startsWith('dataViz_lineChart_title') || key.startsWith('dataViz_pieChart_title')) {
this.layoutDoc['_' + key] = data[key];
}
});
const func = () => this._vizRenderer?.restoreView(data);
if (changedView || changedAxes) {
setTimeout(func, 100);
return true;
}
return func() ?? false;
};
getAnchor = (addAsAnnotation?: boolean, pinProps?: PinProps) => {
const anchor = !pinProps
? this.Document
: this._vizRenderer?.getAnchor(pinProps) ??
Docs.Create.ConfigDocument({
// when we clear selection -> we should have it so chartBox getAnchor returns undefined
// this is for when we want the whole doc (so when the chartBox getAnchor returns without a marker)
/*put in some options*/
});
anchor.config_dataViz = this.dataVizView;
anchor.config_dataVizAxes = this.axes.length ? new List<string>(this.axes) : undefined;
anchor.dataViz_selectedRows = Field.Copy(this.layoutDoc.dataViz_selectedRows);
anchor.dataViz_histogram_barColors = Field.Copy(this.layoutDoc.dataViz_histogram_barColors);
anchor.dataViz_histogram_defaultColor = this.layoutDoc.dataViz_histogram_defaultColor;
anchor.dataViz_pie_sliceColors = Field.Copy(this.layoutDoc.dataViz_pie_sliceColors);
Object.keys(this.layoutDoc).map(key => {
if (key.startsWith('dataViz_histogram_title') || key.startsWith('dataViz_lineChart_title') || key.startsWith('dataViz_pieChart_title')) {
anchor[key] = this.layoutDoc[key];
}
});
this.addDocument(anchor);
return anchor;
};
componentDidMount() {
this._props.setContentView?.(this);
if (!DataVizBox.dataset.has(CsvCast(this.dataDoc[this.fieldKey]).url.href)) this.fetchData();
}
fetchData = () => {
DataVizBox.dataset.set(CsvCast(this.dataDoc[this.fieldKey]).url.href, []); // assign temporary dataset as a lock to prevent duplicate server requests
fetch('/csvData?uri=' + this.dataUrl?.url.href) //
.then(res => res.json().then(action(res => !res.errno && DataVizBox.dataset.set(CsvCast(this.dataDoc[this.fieldKey]).url.href, res))));
};
// toggles for user to decide which chart type to view the data in
@computed get renderVizView() {
const scale = this._props.NativeDimScaling?.() || 1;
const sharedProps = {
Document: this.Document,
layoutDoc: this.layoutDoc,
records: this.records,
axes: this.axes,
height: (this._props.PanelHeight() / scale - 32) /* height of 'change view' button */ * 0.9,
width: (this._props.PanelWidth() / scale) * 0.9,
margin: { top: 10, right: 25, bottom: 75, left: 45 },
};
if (!this.records.length) return 'no data/visualization';
switch (this.dataVizView) {
case DataVizView.TABLE: return <TableBox {...sharedProps} docView={this._props.DocumentView} selectAxes={this.selectAxes} />;
case DataVizView.LINECHART: return <LineChart {...sharedProps} dataDoc={this.dataDoc} fieldKey={this.fieldKey} ref={r => (this._vizRenderer = r ?? undefined)} />;
case DataVizView.HISTOGRAM: return <Histogram {...sharedProps} dataDoc={this.dataDoc} fieldKey={this.fieldKey} ref={r => (this._vizRenderer = r ?? undefined)} />;
case DataVizView.PIECHART: return <PieChart {...sharedProps} dataDoc={this.dataDoc} fieldKey={this.fieldKey} ref={r => (this._vizRenderer = r ?? undefined)}
margin={{ top: 10, right: 15, bottom: 15, left: 15 }} />;
} // prettier-ignore
}
render() {
const scale = this._props.NativeDimScaling?.() || 1;
return !this.records.length ? (
// displays how to get data into the DataVizBox if its empty
<div className="start-message">To create a DataViz box, either import / drag a CSV file into your canvas or copy a data table and use the command 'ctrl + p' to bring the data table to your canvas.</div>
) : (
<div
className="dataViz"
style={{
pointerEvents: this._props.isContentActive() === true ? 'all' : 'none',
width: `${100 / scale}%`,
height: `${100 / scale}%`,
transform: `scale(${scale})`,
position: 'absolute',
}}
onWheel={e => e.stopPropagation()}
ref={r =>
r?.addEventListener(
'wheel', // if scrollTop is 0, then don't let wheel trigger scroll on any container (which it would since onScroll won't be triggered on this)
(e: WheelEvent) => {
if (!r.scrollTop && e.deltaY <= 0) e.preventDefault();
e.stopPropagation();
},
{ passive: false }
)
}>
<div className={'datatype-button'}>
<Toggle text={' TABLE '} toggleType={ToggleType.BUTTON} type={Type.SEC} color={'black'} onClick={e => (this.layoutDoc._dataViz = DataVizView.TABLE)} toggleStatus={this.layoutDoc._dataViz === DataVizView.TABLE} />
<Toggle text={'LINECHART'} toggleType={ToggleType.BUTTON} type={Type.SEC} color={'black'} onClick={e => (this.layoutDoc._dataViz = DataVizView.LINECHART)} toggleStatus={this.layoutDoc._dataViz === DataVizView.LINECHART} />
<Toggle text={'HISTOGRAM'} toggleType={ToggleType.BUTTON} type={Type.SEC} color={'black'} onClick={e => (this.layoutDoc._dataViz = DataVizView.HISTOGRAM)} toggleStatus={this.layoutDoc._dataViz === DataVizView.HISTOGRAM} />
<Toggle text={'PIE CHART'} toggleType={ToggleType.BUTTON} type={Type.SEC} color={'black'} onClick={e => (this.layoutDoc._dataViz = DataVizView.PIECHART)} toggleStatus={this.layoutDoc._dataViz == -DataVizView.PIECHART} />
</div>
{this.renderVizView}
</div>
);
}
}
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