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173 | 1×
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| import d3 from 'd3';
import { unique, read } from 'datalib';
import VisComponent from '../../VisComponent';
import * as upset from 'UpSet';
import template from './template.html';
export default class UpSet extends VisComponent {
static get options () {
return [
{
name: 'data',
type: 'table',
format: 'objectlist'
},
{
name: 'id',
type: 'string',
format: 'text',
domain: {
mode: 'field',
from: 'data',
fieldTypes: ['string', 'date', 'number', 'integer', 'boolean']
}
},
{
name: 'sets',
type: 'string_list',
format: 'string_list',
optional: true,
domain: {
mode: 'field',
from: 'data',
fieldTypes: ['integer', 'boolean', 'string']
}
},
{
name: 'fields',
type: 'string_list',
format: 'string_list',
optional: true,
domain: {
mode: 'field',
from: 'data',
fieldTypes: ['string', 'date', 'number', 'integer', 'boolean']
}
},
{
name: 'metadata',
type: 'string_list',
format: 'string_list',
domain: {
mode: 'field',
from: 'data',
fieldTypes: ['string', 'date', 'number', 'integer', 'boolean']
}
}
];
}
constructor (el, options) {
super(el);
this.options = options;
}
render () {
if (!this.options.id || (!this.options.sets && !this.options.fields)) {
return;
}
if (!this.options.data || this.options.data.length === 0) {
return;
}
d3.select(this.el).html(template);
// Swizzle the data into what UpSet expects (array of arrays)
let data = [];
let header = [this.options.id];
data.push(header);
this.options.data.forEach(d => {
data.push([d[this.options.id]]);
});
// Add 0/1 sets.
if (this.options.sets) {
const membershipVals = ['1', 'yes', 'true'];
this.options.sets.forEach(s => header.push(s));
this.options.data.forEach((d, i) => {
this.options.sets.forEach(s => {
let boolVal = '0';
const strVal = ('' + d[s]).toLowerCase();
if (membershipVals.indexOf(strVal) !== -1) {
boolVal = '1';
}
data[i + 1].push(boolVal);
});
});
}
// Add sets derived from general fields.
// A set is defined by records sharing a field value.
if (this.options.fields) {
this.options.fields.forEach(field => {
let distinct = unique(this.options.data, d => d[field]);
distinct.forEach(v => header.push(field + ' ' + v));
this.options.data.forEach((d, i) => {
distinct.forEach(v => {
data[i + 1].push(v === d[field] ? '1' : '0');
});
});
});
}
const setsEnd = header.length - 1;
let meta = [
{
type: 'id',
index: 0,
name: 'Name'
}
];
// Add metadata fields.
if (this.options.metadata) {
if (!this.options.data.__types__) {
read(this.options.data, {parse: 'auto'});
}
const upsetTypeMap = {
string: 'string',
date: 'integer',
number: 'float',
integer: 'integer',
boolean: 'integer'
};
this.options.metadata.forEach(field => {
header.push(field);
const type = upsetTypeMap[this.options.data.__types__[field]];
meta.push({
type: type,
index: header.length - 1,
name: field
});
this.options.data.forEach((d, i) => {
data[i + 1].push('' + d[field]);
});
});
}
let datasets = [
{
name: 'data',
data: data,
header: 0,
meta: meta,
sets: [
{
format: 'binary',
start: 1,
end: setsEnd
}
],
author: '',
description: '',
source: ''
}
];
upset.UpSet(datasets);
this.ui = new upset.Ui();
}
}
|