28:null 29:["$","title",null,{"children":"National Parks Tabular Data Viewer | Juans | Observable"}] 2f:[] 2c:{"id":"67272ec3277637be","slug":null,"title":"National Parks Tabular Data Viewer","thumbnail":"29e290beec4bfd044cc73073813364e23711e24b859521399def316a14fee079","access_level":"public","create_time":"$D2024-07-07T20:15:49.143Z","update_time":"$D2024-07-07T20:16:11.779Z","view_time":null,"first_public_time":"$D2024-07-07T20:15:49.143Z","fork":{"id":"4a39c8f7f8be9561","slug":null,"title":"Top 500 Novels Tabular Data Viewer 中","owner":{"id":"1be53ef47b72f2b5","login":"juans","name":"Juans"}},"stars":0,"starred":false,"owner":{"type":"team","id":"1be53ef47b72f2b5","login":"juans","name":"Juans","avatar_url":"https://avatars-next.observableusercontent.com/3690d955d0108a92d41458e12571dba94de90eb8c1ddbab3c3e41369942686ea","tier":"starter_2024"},"version":355,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"6342b8ef5215128d","login":"juan-carlos-garcia","name":"Juan Carlos Garcia","avatar_url":"https://avatars-next.observableusercontent.com/a49028003f6484a6da1b44a5ab05fd1c195861117b90e8316427ac6899bc9a45","tier":null}],"members":[{"type":"individual","id":"6342b8ef5215128d","login":"juan-carlos-garcia","name":"Juan Carlos Garcia","avatar_url":"https://avatars-next.observableusercontent.com/a49028003f6484a6da1b44a5ab05fd1c195861117b90e8316427ac6899bc9a45","tier":null,"role":"editor"},{"type":"team","id":"1be53ef47b72f2b5","login":"juans","name":"Juans","avatar_url":"https://avatars-next.observableusercontent.com/3690d955d0108a92d41458e12571dba94de90eb8c1ddbab3c3e41369942686ea","tier":"starter_2024","role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"National Parks Tabular Data Viewer","cells":[{"id":0,"value":"# National Parks Tabular Data Viewer","pinned":false,"hidden":false,"mode":"md"},{"id":19,"value":"viewof dataSet = Inputs.select(dataSets, {\n label: html`dataset`\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":22,"value":"viewof dataUrl = Inputs.text({\n label: html`dataUrl`,\n placeholder: 'type data url and click fetch', \n value: `${dataUrlParam ? dataUrlParam : 'https://raw.githubusercontent.com/melaniewalsh/responsible-datasets-in-context/main/datasets/top-500-novels/' + dataSet}`,\n submit: 'fetchData'\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":24,"value":"shareLink = md `*share a link to your [data](https://observablehq.com/@randomfractals/tabular-data-viewer?dataUrl=${dataUrl})*`","pinned":false,"hidden":false,"mode":"ojs"},{"id":59,"value":"viewof dataSummaryView = SummaryTable(summary_data)","pinned":false,"hidden":false,"mode":"ojs"},{"id":170,"value":"## Tabular Data View","pinned":false,"hidden":false,"mode":"md"},{"id":219,"value":"viewof tableOptions = Inputs.form([\n Inputs.button('Download', {reduce: () => table.download('csv', 'data.csv')}),\n])","pinned":false,"hidden":false,"mode":"ojs"},{"id":131,"value":"tableContainer = html `

`","pinned":false,"hidden":false,"mode":"ojs"},{"id":146,"value":"table = new Tabulator('#table-container', {\n height: 645,\n autoColumns: true,\n columnDefaults: {\n headerMenu: columnHeaderMenu\n },\n clipboard: true, // eanble clipboard copy and paste\n clipboardPasteAction: 'replace',\n layout: tableLayout,\n layoutColumnsOnNewData: true,\n movableColumns: movableColumns,\n movableRows: movableRows,\n selectable: selectableRows,\n rowContextMenu: rowContextMenu,\n pagination: pagination,\n paginationSize: paginationSize,\n paginationSizeSelector: pageSizes,\n renderVerticalBuffer: 300, // set virtual DOM buffer to 300px\n debugInvalidOptions: true, // tabulator warnings\n debugEventsExternal: ['tableBuilding', 'dataLoaded', 'tableBuilt'], // log specified tabulator events\n \tdata: table_data,\n persistenceMode: 'local',\n persistenceID: dataUrl,\n persistentLayout: true,\n persistence: {\n sort: true,\n filter: true,\n group: true,\n columns: true,\n }\n});","pinned":false,"hidden":false,"mode":"ojs"},{"id":238,"value":"### Table UX Tips\n- Hold **CTRL** or **Shift** key when clicking on column headers to **Sort** table data by multiple columns.\n- See [Clipboard](http://tabulator.info/docs/5.0/clipboard) options for the clipboard copy and paste data options.\n- Use row context menu to **Delete** or **Freeze** a row.","pinned":false,"hidden":false,"mode":"md"},{"id":201,"value":"## Table Toggles","pinned":false,"hidden":false,"mode":"md"},{"id":209,"value":"viewof tableLayout = Inputs.select(tableLayouts, {value: 'fitDataStretch', label: 'Table Layout'})","pinned":false,"hidden":false,"mode":"ojs"},{"id":297,"value":"viewof pagination = Inputs.toggle({label: 'Pagination', value: true})","pinned":false,"hidden":false,"mode":"ojs"},{"id":295,"value":"viewof paginationSize = Inputs.select(pageSizes, {value: 100000, label: 'Page Size'})","pinned":false,"hidden":false,"mode":"ojs"},{"id":226,"value":"viewof movableColumns = Inputs.toggle({label: 'Movable Columns', value: true})","pinned":false,"hidden":false,"mode":"ojs"},{"id":230,"value":"viewof movableRows = Inputs.toggle({label: 'Movable Rows', value: true})","pinned":false,"hidden":false,"mode":"ojs"},{"id":234,"value":"viewof selectableRows = Inputs.toggle({label: 'Selectable Rows', value: true})","pinned":false,"hidden":false,"mode":"ojs"},{"id":205,"value":"// from: http://tabulator.info/docs/5.0/layout\ntableLayouts = [\n 'fitData',\n 'fitDataFill',\n 'fitDataStretch',\n 'fitDataTable',\n 'fitColumns'\n]","pinned":false,"hidden":false,"mode":"ojs"},{"id":285,"value":"pageSizes = [20, 100, 1000, 10000, 100000, 1000000, 10000000]","pinned":false,"hidden":false,"mode":"ojs"},{"id":270,"value":"columnHeaderMenu = [\n {\n label: 'Hide Column',\n action: function (e, column) {\n column.hide();\n }\n },\n {\n label: \"Freeze Column\",\n action: function (e, column) {\n column.updateDefinition({ frozen: true });\n }\n },\n {\n label: 'Delete Column',\n action: function (e, column) {\n column.delete();\n }\n }\n];\n","pinned":false,"hidden":false,"mode":"ojs"},{"id":259,"value":"// row context menu. see: http://tabulator.info/docs/5.0/menu\nrowContextMenu = [\n {\n label: \" Delete Row\",\n action: function(e, row) {row.delete()}\n },\n {\n label: \"Freeze Row\",\n action: function (e, row) { row.freeze(); }\n }\n]","pinned":false,"hidden":false,"mode":"ojs"},{"id":197,"value":"## Data","pinned":false,"hidden":false,"mode":"md"},{"id":48,"value":"raw_data = fetchData(dataUrl)\n\n","pinned":false,"hidden":false,"mode":"ojs"},{"id":332,"value":"summary_data = raw_data.map(item => {\n let newItem = { ...item };\n Object.keys(newItem).forEach(key => {\n if (key.includes('author_birth') || key.includes('author_death')) {\n newItem[key] = new Date(newItem[key], 0, 1);\n }\n });\n return newItem;\n});","pinned":true,"hidden":false,"mode":"ojs"},{"id":350,"value":"table_data = raw_data","pinned":true,"hidden":false,"mode":"ojs"},{"id":29,"value":"dataUrlParam = new URLSearchParams(html``.search).get('dataUrl')","pinned":false,"hidden":false,"mode":"ojs"},{"id":36,"value":"dataSets = [\n 'library_top_500.csv'\n]","pinned":false,"hidden":false,"mode":"ojs"},{"id":41,"value":"async function fetchData(dataUrl) {\n let data = [];\n if (dataUrl.endsWith('.csv')) {\n data = await d3.csvParse(await d3.text(dataUrl), d3.autoType);\n } \n else if (dataUrl.endsWith('.json') || dataUrl.endsWith('.geojson')) {\n data = await d3.json(dataUrl);\n if (data.features) {\n data = flattenGeoData(data);\n }\n }\n else if (dataUrl.endsWith('.arrow')) {\n data = loadArrowData(dataUrl);\n }\n return data;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":80,"value":"function flattenGeoData(data) {\n if (data.features) {\n const features = data.features.map(feature => {\n let geometry = {};\n Object.keys(feature?.geometry).forEach(key => {\n geometry[`geometry.${key}`] = feature.geometry[key];\n });\n let properties = {};\n Object.keys(feature?.properties).forEach(key => {\n properties[`${key}`] = feature.properties[key];\n });\n const {geometry: g, properties: p, ...restOfKeys} = feature;\n return {...restOfKeys, ...properties, ...geometry};\n });\n return features;\n }\n return data;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":43,"value":"async function loadArrowData(dataUrl){\n const response = await fetch(dataUrl);\n const arrayBuffer = await response.arrayBuffer();\n const table = arrow.Table.from(new Uint8Array(arrayBuffer));\n const rows = Array(table.length);\n const fields = table.schema.fields.map(d => d.name); \n for (let i=0, n=rows.length; i {\n const column = table.getColumnAt(index);\n proto[fieldName] = column.get(i);\n });\n rows[i] = proto;\n }\n return rows;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":133,"value":"## Table Styles","pinned":false,"hidden":false,"mode":"md"},{"id":93,"value":"tableStyles = html `\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":140,"value":"html`\ntabulator.min.css`","pinned":false,"hidden":false,"mode":"ojs"},{"id":7,"value":"## Imports","pinned":false,"hidden":false,"mode":"md"},{"id":54,"value":"import {SummaryTable} from \"@observablehq/summary-table\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":121,"value":"Tabulator = require('https://unpkg.com/tabulator-tables@5.3.1');","pinned":false,"hidden":false,"mode":"ojs"},{"id":17,"value":"arrow = require('apache-arrow@6.0.1')","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W2f","stdlib":"1","titling":"auto"}} 2d:"$2c:body"