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vega-3.js
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// const vegaEmbed = require("/Users/ryangrojean/Documents/packed_visuals/vega-looker/node_modules/vega-embed/build/vega-embed.js");
// Pollyfill Array.Flat for Edge Users.
if (typeof Array.prototype.flat !== "function") {
Array.prototype.flat = function(depth) {
if (depth <= 0 || depth == undefined) depth = 1;
let arr = this;
do {
arr = arr.reduce((acc, val) => acc.concat(val), []);
} while (--depth > 0);
return arr;
};
}
/**
* Fixes the chart sizing so that it doesn't overflow outside
* of lookers 'vis' container.
* @returns void
*/
const fixChartSizing = () => {
const container = document.getElementById('vis');
container.style.overflow = 'hidden';
const svg = container.querySelector('svg');
svg.setAttribute('height', container.clientHeight);
svg.setAttribute('width', container.clientWidth);
};
looker.plugins.visualizations.add({
create: function(element, config){
var container = element.appendChild(document.createElement("div"));
container.setAttribute("id","my-vega");
var css = document.createElement("style");
css.type = "text/css";
css.innerHTML = "#vg-tooltip-element { font-family: Open Sans,Helvetica,Arial,sans-serif}";
element.appendChild(css);
},
updateAsync: function(data, element, config, queryResponse, details, done){
var myData = [];
var dataProperties = {};
var dims = [];
var meas = [];
var allFields = [];
var options = {};
var createOptionsResponse = createOptions(queryResponse);
options = createOptionsResponse['options'];
var optionsMasterList = createOptionsResponse['masterList'];
this.trigger('registerOptions', options);
const thisViz = this;
//create array of all measures for lookup purposes
queryResponse.fields.measure_like.forEach(function(field){
var fieldName = (field.name).replace(".","_");
meas.push(fieldName);
});
//create array of all dimensions for lookup purposes
queryResponse.fields.dimension_like.forEach(function(field){
var fieldName = (field.name).replace(".","_");
dims.push(fieldName);
});
allFields = meas.concat(dims);
dataProperties = createMetaData(allFields,queryResponse);
if (Object.keys(config).length > 3) {
var fieldSettingArray = ["x","y","x2","y2","column","row","color","color2","size","size2","shape","shape2","highlight","sort","order","labelField","labelFilter"];
for (var fieldChoice in config) {
if (typeof config[fieldChoice] != "object") {
if (fieldSettingArray.includes(fieldChoice)) {
if (!allFields.includes(config[fieldChoice]) && config[fieldChoice] != "") {
var updateArray = [];
var updateObj = {};
if (fieldChoice == "x") {
updateObj[fieldChoice] = defaultDim;
} else if (fieldChoice == "y") {
updateObj[fieldChoice] = defaultMes;
} else {
updateObj[fieldChoice] = "";
}
updateArray.push(updateObj);
thisViz.trigger("updateConfig", updateArray);
}
}
}
}
console.log(config);
var parent = document.getElementById("my-vega").parentElement;
var chartHeight = parent.offsetHeight * 0.78;
var chartWidth = parent.offsetWidth* 0.81;
for (var cell in data) {
var obj = data[cell];
var dataDict = {};
dataDict['links'] = [];
for (var key in obj){
var shortName = key.replace(".","_");
dataDict[shortName] = obj[key]['value'];
if (typeof obj[key]['links'] != "undefined") {
//create array of all links for a row of data
for(var l=0;l<obj[key]['links'].length;l++){
//grab link label and add field name for clarity in menu
var currentLabel = obj[key]['links'][l]['label'];
currentLabel = currentLabel + " (" + (key.substring(key.indexOf(".")+1)).replace(/_/g," ") + ")";
obj[key]['links'][l]['label'] = currentLabel;
}
//add links for field in row
dataDict['links'].push(obj[key]['links']);
}
}
//flatten to make single depth array
dataDict['links'] = dataDict['links'].flat();
myData.push(dataDict);
}
var rowValues = [];
var colValues = [];
//auto-size settings when a row facet included
if (typeof config['row'] != "undefined" && typeof config['row'] != "" && config['fixed_height'] == null) {
for (var x = 0; x < myData.length; x++) {
rowValues.push(myData[x][config['row']]);
}
let uniqueRows = new Set(rowValues);
chartHeight = Math.max( (chartHeight / uniqueRows.size), (chartHeight / 12) );
}
//auto-sizing settings when a column facet included
if (typeof config['column'] != "undefined" && config['column'] != "" && config['fixed_width'] == null) {
for (var x = 0; x < myData.length; x++) {
colValues.push(myData[x][config['column']]);
}
let uniqueCols = new Set(colValues);
chartWidth = Math.max( (chartWidth / uniqueCols.size), (chartWidth / 12) ) ;
}
//manual-sizing for chart height
if (typeof config['fixed_height'] != "undefined" && config['fixed_height'] != null) {
chartHeight = config['fixed_height'];
}
//manual-sizing for chart width
if (typeof config['fixed_width'] != "undefined" && config['fixed_width'] != null) {
chartWidth = config['fixed_width'];
}
//construct the tooltip with appropriate formatting
var tooltipFields = [];
for (var datum in dataProperties) {
var fieldsToExclude = [];
if (config['includeInTip'] != "") {
fieldsToExclude = config['includeInTip'].split(",").map(function(item){ return item.trim()});
}
if (!fieldsToExclude.includes(dataProperties[datum]['title'])) {
var tip = {};
tip['field'] = datum;
tip['type'] = dataProperties[datum]['dtype'];
tip['format'] = dataProperties[datum]['valueFormat'];
tip['title'] = dataProperties[datum]['title'];
tooltipFields.push(tip);
}
}
//switch to compatible mark if trying to utilize shape
if (config['shape'] != "") {
config['mark_type'] = "point";
}
//set expected size for bar
// if (config['mark_type'] == "bar") {
// config['fixed_size'] = -1;
// }
var chart = {
"$schema": "https://vega.github.io/schema/vega-lite/v3.json",
"data": {
"values": myData
},
"resolve": {
"scale": {
"x": null,
"y": null,
"color": null,
"legend": null
}
},
"facet" : {},
"config": {
"axis": {"titleFont":"Open Sans,Helvetica,Arial,sans-serif","labelFont":"Open Sans,Helvetica,Arial,sans-serif"},
"header": {"titleFont":"Open Sans,Helvetica,Arial,sans-serif","labelFont":"Open Sans,Helvetica,Arial,sans-serif"},
"legend": {"titleFont":"Open Sans,Helvetica,Arial,sans-serif","labelFont":"Open Sans,Helvetica,Arial,sans-serif"}
// "circle": {"opacity":config['opacity']},
// "bar": {"opacity":config['opacity']}
},
"spec": {
"layer": [ {
"mark": {
"type": config['mark_type'],
"fillOpacity": config['opacity'],
"stroke": config['border'][0]
},
"encoding": {}
}
],
"width": chartWidth,
"height": chartHeight
}
};
// Fix sizing on next tick
setTimeout( () => fixChartSizing(), 0);
////////////////////////////////////////////
//check and add another layer if requested//
////////////////////////////////////////////
var layerCount = (chart.spec.layer).length;
//update sizing
if (config['mark_type'] == 'circle' || config['mark_type'] == 'line') {
config['fixed_size'] = Math.pow(config['fixed_size'],1.8);
}
if (config['mark_type2'] == 'circle' || config['mark_type2'] == 'line') {
config['fixed_size2'] = Math.pow(config['fixed_size2'],1.8);
}
/////////////////////////////////
//check and add layers///////////
//add another layer on the X axis
if (config['x2'] != "" && typeof config['x2'] != "undefined") {
var secondLayer = {
"encoding": {},
"mark": {
"type": config['mark_type2'],
"fillOpacity":config['opacity2'],
"thickness":3,
"stroke":config['border2'][0]
}
};
// secondLayer = {
// "encoding": {},
// "mark": {
// "type": config['mark_type2'],
// "fillOpacity":config['opacity2'],
// "thickness":3,
// "stroke":config['border2'][0]
// }
// };
// secondLayer.encoding.x = {};
} else if (config['y2'] != "" && typeof config['y2'] != "undefined") {
var secondLayer = {
"encoding": {},
"mark": {
"type": config['mark_type2'],
"fillOpacity":config['opacity2'],
"thickness":3,
"stroke":config['border2'][0]
}
};
}
//add another layer on the Y axis
// if (config['y2'] != "" && typeof config['y2'] != "undefined") {
// secondLayer = {
// "encoding": {},
// "mark": {
// "type": config['mark_type2'],
// "fillOpacity":config['opacity2'],
// "thickness":3,
// "stroke":config['border2'][0]
// }
// };
// //use newly selected value on Y
// // secondLayer.encoding.y = {};
// //re-aggregate the measure if requested, useful for an average line
// }
//End additional layer section//
////////////////////////////////
//add column or row facet
//row & column facets
if (config['column'] != "" && typeof config['column'] != "undefined") {
//add column facet
chart.facet.column = {"field":config['column'],"type":dataProperties[config['column']]['dtype'],"title": dataProperties[config['column']]['title']};
// check for independent axes
if (config['resolve_y'] != "" && config['y'] != "") {
chart.resolve = {"scale": {"y":"independent"}};
}
if (config['resolve_x'] != "" && config['x'] != "") {
chart.resolve = {"scale": {"x":"independent"}};
}
}
if (config['row'] != "" && typeof config['row'] != "undefined") {
//add row facet
chart.facet.row = {"field":config['row'],"type":dataProperties[config['row']]['dtype'],"title": dataProperties[config['row']]['title']};
// check for independent axes
if (config['resolve_y'] != "" && config['y'] != "") {
chart.resolve = {"scale": {"y":"independent"}};
}
if (config['resolve_x'] != "" && config['x'] != "") {
chart.resolve = {"scale": {"x":"independent"}};
}
}
//////////////////////////////////////////
///End Faceting//////////////////////////
////////////////////////////////////////
//add selection handler to chart
if (config['highlight'] != "" && typeof config['highlight'] != "undefined") {
chart.spec.layer[0].selection = {"paintbrush":{
"type" : "multi",
"on" : "mouseover", "empty":"all","fields":[config['highlight']]
}};
}
var layerCount = (chart.spec.layer).length;
//adjust opacity if circle
if (config['mark_type'] == "circle" || config['mark_type'] == "point") {
chart.spec.layer[0].mark.opacity = config['opacity'];
}
if (config['mark_type2'] == "circle" || config['mark_type2'] == "point") {
if (typeof secondLayer != "undefined" && secondLayer != "") {
secondLayer.mark.opacity = config['opacity2'];
// secondLayer.mark.opacity = config['opacity2'];
}
}
//checks for building viz based on config selections//
//////////////////////////////////////////////////////
//add points to line to ensure proper drill through
var marksNeedingPoints = ["line","trail","area"];
// "mark": {"type": "line", "color": "green", "point": {"color": "red"}},
if (marksNeedingPoints.includes(config['mark_type'])) {
chart.spec.layer[0].mark.point = {"color":config['fixed_color']};
}
if (marksNeedingPoints.includes(config['mark_type2'])) {
if (typeof secondLayer != "undefined" && secondLayer != "") {
secondLayer.mark.point = {"color": config['fixed_color2']};
// secondLayer.mark.point = {"color":config['fixed_color2']};
}
}
// set x and y axis
if (config['y'] != "" && typeof config['y'] != "undefined") {
chart.spec.layer[0].encoding.y = {
"field": config['y'],
"type": dataProperties[config['y']]['dtype'],
"title": dataProperties[config['y']]['title'],
"scale": {"zero": config['unpin_y']}
};
}
if (typeof secondLayer != "undefined" && secondLayer != "") {
if (config['x2'] != "" && typeof config['x2'] != "undefined") {
secondLayer.encoding.y = {
"field": config['y'],
"type": dataProperties[config['y']]['dtype'],
"scale": {"zero": config['unpin_y']}
};
secondLayer.encoding.x = {
"field":config['x2'],
"type":dataProperties[config['x2']]['dtype'],
"scale":{"zero":config['unpin_x']}
};
}
if (config['y2'] != "" && typeof config['y2'] != "undefined") {
secondLayer.encoding.x = {
"field": config['x'],
"type": dataProperties[config['x']]['dtype'],
"scale": {"zero": config['unpin_x']}
};
secondLayer.encoding.y = {
"field":config['y2'],
"type":dataProperties[config['y2']]['dtype'],
"scale":{"zero":config['y2']}
}
}
}
//set tooltip
chart.spec.layer[0].encoding.tooltip = tooltipFields;
if (typeof secondLayer != "undefined") {
secondLayer.encoding.tooltip = tooltipFields;
}
if (config['x'] != "" && typeof config['x'] != "undefined") {
chart.spec.layer[0].encoding.x = {
"field": config['x'],
"type": dataProperties[config['x']]['dtype'],
"title": dataProperties[config['x']]['title'],
"scale": {"zero": config['unpin_x']}
};
}
//coloring properties layer 1//
//list of categorical schemes not compatible with sequential data
var myColorPalettes = ["tableau10","tableau20","dark2","category20b","set2"];
//change color domain based on user input
if (config['domain'] != "" && typeof config['domain'] != "undefined") {
var colorDomain = [];
//parse the string input by user into array of integers
for (num in config['domain'].split(",")) {
colorDomain.push(Number(config['domain'].split(",")[num]));
}
}
//color domain for second layer
if (typeof secondLayer != "undefined" && secondLayer != "") {
if (config['domain2'] != "" && typeof config['domain2'] != "undefined") {
var colorDomain2 = [];
//parse the string input by user into array of integers
for (num in config['domain2'].split(",")) {
colorDomain2.push(Number(config['domain2'].split(",")[num]));
}
}
}
//set default color sceme
if (config['color_scheme'] == "") {
config['color_scheme'] = "tableau10"
}
if (config['color_scheme2'] == "") {
config['color_scheme2'] = "tableau10"
}
//set highlighting based on selection, use color selected on marks page
if (config['highlight'] != "" && typeof config['highlight'] != "undefined") {
//assign default color if none selected
chart.spec.layer[0].encoding.color = {
"condition": {
"scale": {"type":"ordinal","scheme":config['color_scheme']},
//use aformentioned select
"selection" : "paintbrush",
//field to drive the highlight
"field":config['highlight'], "type": dataProperties[config['highlight']]['dtype'], "title": dataProperties[config['highlight']]['title']
},
//value if false
"value":"#B8B8B8"
};
} else if (config['color'] != "" && typeof config['color'] != "undefined") {
//if user has changed the field to color by
//add color setting based on data type
chart.spec.layer[0].encoding.color = {"field": config['color'], "type": dataProperties[config['color']]['dtype'],"title": dataProperties[config['color']]['title']};
//check if quantitative or nominal
if (dataProperties[config['color']]['dtype'] == 'quantitative') {
//determine scale and scheme based on data type
if (config['color_scheme'] == "") {
//if color scheme left on auto, assign the blues
chart.spec.layer[0].encoding.color.scale = {"type": "sequential", "scheme":"blues"};
} else {
//if color scheme is categorical, but used with quantitative data, switch it to the blues by default
if (myColorPalettes.includes(config['color_scheme'])) {config['color_scheme'] = "blues";}
//apply new color scheme for sequential data, include domain manually provided
chart.spec.layer[0].encoding.color.scale = {"type": "sequential", "scheme": {"name" : config['color_scheme']}, "domain" : colorDomain};
}
} else if (dataProperties[config['color']]['dtype'] == 'nominal') {
if (config['color_scheme'] == "") {
//if color scheme is auto, use tableau10
chart.spec.layer[0].encoding.color.scale = {"type": "ordinal", "scheme":"tableau10"};
} else {
//assign selected color scheme otherwise - ordinal will work with quantitative data so no checking required
chart.spec.layer[0].encoding.color.scale = {"type": "ordinal", "scheme":config['color_scheme']};
}
}
} else {
if (config['mark_type'] == "line") {
//color the stoke if it's a line to avoid it being filled
chart.spec.layer[0].mark.stroke = config['fixed_color'];
} else {
//color the fill of the mark if not a line
chart.spec.layer[0].mark.fill = config['fixed_color'];
}
}
//End coloring section layer 1//
///////////////////////////////
///////////////////////////////
//Begin coloring section layer 2//
if (typeof secondLayer != "undefined" && secondLayer != "") {
if (config['color2'] != "" && typeof config['color2'] != "undefined") {
//if user has changed the field to color by
//add color setting based on data type
secondLayer.encoding.color = {"field": config['color2'], "type": dataProperties[config['color2']]['dtype'],"title": dataProperties[config['color2']]['title']};
//check if quantitative or nominal
if (dataProperties[config['color2']]['dtype'] == 'quantitative') {
//determine scale and scheme based on data type
if (config['color_scheme2'] == "") {
//if color scheme left on auto, assign the blues
secondLayer.encoding.color.scale = {"type": "sequential", "scheme":"blues"};
} else {
//if color scheme is categorical, but used with quantitative data, switch it to the blues by default
if (myColorPalettes.includes(config['color_scheme2'])) {
config['color_scheme2'] = "blues";
}
//apply new color scheme for sequential data, include domain manually provided
secondLayer.encoding.color.scale = {"type": "sequential", "scheme": {"name" : config['color_scheme2']}, "domain" : colorDomain2};
}
} else if (dataProperties[config['color2']]['dtype'] == 'nominal') {
if (config['color_scheme2'] == "") {
//if color scheme is auto, use tableau10
secondLayer.encoding.color.scale = {"type": "ordinal", "scheme":"tableau10"};
} else {
//assign selected color scheme otherwise - ordinal will work with quantitative data so no checking required
secondLayer.encoding.color.scale = {"type": "ordinal", "scheme":config['color_scheme2']};
}
}
} else if (config['color'] != "" && typeof config['color'] != "undefined") {
//if user has changed the field to color by
//add color setting based on data type
secondLayer.encoding.color = {"field": config['color'], "type": dataProperties[config['color']]['dtype'],"title": dataProperties[config['color']]['title']};
//check if quantitative or nominal
if (dataProperties[config['color']]['dtype'] == 'quantitative') {
//determine scale and scheme based on data type
if (config['color_scheme'] == "") {
//if color scheme left on auto, assign the blues
secondLayer.encoding.color.scale = {"type": "sequential", "scheme":"blues"};
} else {
//if color scheme is categorical, but used with quantitative data, switch it to the blues by default
if (myColorPalettes.includes(config['color_scheme'])) {config['color_scheme'] = "blues";}
//apply new color scheme for sequential data, include domain manually provided
secondLayer.encoding.color.scale = {"type": "sequential", "scheme": {"name" : config['color_scheme']}, "domain" : colorDomain};
}
} else if (dataProperties[config['color']]['dtype'] == 'nominal') {
if (config['color_scheme2'] == "") {
//if color scheme is auto, use tableau10
secondLayer.encoding.color.scale = {"type": "ordinal", "scheme":"tableau10"};
} else {
//assign selected color scheme otherwise - ordinal will work with quantitative data so no checking required
secondLayer.encoding.color.scale = {"type": "ordinal", "scheme":config['color_scheme']};
}
}
} else {
if (config['mark_type2'] == "line") {
//color the stoke if it's a line to avoid it being filled
secondLayer.mark.stroke = config['fixed_color2'];
} else {
//color the fill of the mark if not a line
secondLayer.mark.fill = config['fixed_color2'];
}
}
}
var sizableMarks = ["point", "square", "circle", "tick", "bar", "text"];
//shape properties
if (config['shape'] != "" && typeof config['shape'] != "undefined") {
chart.spec.layer[0].encoding.shape = {"field": config['shape'], "type": dataProperties[config['shape']]['dtype'],"title": dataProperties[config['shape']]['title']};
}
//shape properties layer 2
if (typeof secondLayer != "undefined" && secondLayer != "") {
if (config['shape2'] != "" && typeof config['shape2'] != "undefined") {
secondLayer.encoding.shape = {"field": config['shape2'], "type": dataProperties[config['shape2']]['dtype'],"title": dataProperties[config['shape2']]['title']};
}
}
//set style of line
if (config['line_style'] != "" && typeof config['line_style'] != "undefined" && config['mark_type'] == "line") {
chart.spec.layer[0].mark.interpolate = config['line_style'];
}
//set style of line 2
if (typeof secondLayer != "undefined" && typeof secondLayer != "") {
if (config['line_style2'] != "" && typeof config['line_style2'] != "undefined" && config['mark_type2'] == "line") {
secondLayer.mark.interpolate = config['line_style2'];
}
}
//sizing properties
if (config['size'] != "" && typeof config['size'] != "undefined") {
chart.spec.layer[0].encoding.size = {"field": config['size'], "type": dataProperties[config['size']]['dtype'],"title": dataProperties[config['size']]['title']};
} else {
if (config['mark_type'] == "bar") {
if (config['fixed_size'] == 12) {
chart.spec.layer[0].mark.discreteBandSize = 1;
} else {
chart.spec.layer[0].mark.size = config['fixed_size']
}
} else {
chart.spec.layer[0].mark.size = config['fixed_size'];
if (config['mark_type'] == "line") {
chart.spec.layer[0].mark.point.size = config['fixed_size'];
}
}
}
//sizing properties 2
if (typeof secondLayer != "undefined" && secondLayer != "") {
if (config['size2'] != "" && typeof config['size2'] != "undefined") {
secondLayer.encoding.size = {"field": config['size2'], "type": dataProperties[config['size2']]['dtype'],"title": dataProperties[config['size2']]['title']};
} else {
if (config['mark_type2'] == "bar") {
if (config['fixed_size2'] == 12) {
secondLayer.mark.discreteBandSize = 1;
} else {
secondLayer.mark.size = config['fixed_size2']
}
} else {
secondLayer.mark.size = config['fixed_size2'];
}
}
}
//add the second layer
if (secondLayer != "" && typeof secondLayer != "undefined") {
chart.spec.layer.push(secondLayer);
}
//default labels (apply to whichever field has measure?)
//for faceted charts, make no changes. Check for when no facets but field exists on color to resolve color legend appropriately
if (config['labelDefault'] != "" && typeof config['labelDefault'] != "undefined") {
var numLayers = chart.spec.layer.length;
// chart.spec.resolve = {
// "scale": {
// "color": "independent"
// }
// };
var whatIsX = dataProperties[config['x']]['dtype'];
var whatIsY = dataProperties[config['y']]['dtype'];
if (whatIsX == "quantitative") {
//add labels for X encoded by Y
var labelLayer = {
"mark": {
"type": "text",
"align": "left",
"baseline": "middle",
"color": "black",
"font":"Open Sans,Helvetica,Arial,sans-serif"
},
"encoding": {
"text": {"field": config['x'], "type": dataProperties[config['x']]['dtype'], "format": dataProperties[config['x']]['valueFormat']},
"y": {"field": config['y'], "type": dataProperties[config['y']]['dtype']},
"x": {"field": config['x'], "type": dataProperties[config['x']]['dtype'], "stack": "zero"}
}
};
if (config['color'] != "" && typeof config['color'] != "undefined" && config['column'] == "" && config['row'] == "") {
labelLayer.encoding.color = {"field": config['color'], "type": dataProperties[config['color']]['dtype'], "scale": {"range":["black"]}, "legend": null};
chart.spec.resolve = {
"scale": {
"color": "independent"
}
};
}
chart.spec.layer.push(labelLayer);
} else if (whatIsY == "quantitative") {
//add labels for Y encoded by X
var labelLayer = {
"mark": {
"type": "text",
"align": "center",
"baseline": "middle",
"color": "black",
"font":"Open Sans,Helvetica,Arial,sans-serif",
"dy": 7
},
"encoding": {
"text": {"field": config['y'], "type": dataProperties[config['y']]['dtype'], "format": dataProperties[config['y']]['valueFormat']},
"y": {"field": config['y'], "type": dataProperties[config['y']]['dtype'], "stack": "zero"},
"x": {"field": config['x'], "type": dataProperties[config['x']]['dtype']}
}
};
if (config['color'] != "" && typeof config['color'] != "undefined") {
labelLayer.encoding.detail = {"field": config['color'], "type": dataProperties[config['color']]['dtype']};
}
chart.spec.layer.push(labelLayer);
}
}
if (config['labelField'] != "" && typeof config['labelField'] != "undefined") {
var labelPinY;
var labelPinX;
labelPinY = config['y'];
labelPinX = config['x'];
if (config['labelPin'] == "zero") {
if (dataProperties[config['x']]['dtype'] == "quantitative") {
labelPinX = "alignLeft";
} else if (dataProperties[config['y']]['dtype'] == "quantitative"){
labelPinY = "alignLeft";
}
}
var labelLayer = {
"transform": [
{
"calculate": "0", "as": "alignLeft"
}
],
"mark": {
"type": "text",
"align": config['labelAlign'],
"baseline": config['labelBaseline'],
"color": config['labelColor'][0],
"font":"Open Sans,Helvetica,Arial,sans-serif",
"fontSize": config['labelSize'],
"angle": config['labelAngle'],
"dx": config['dx'],
"dy": config['dy'],
"tooltip": null
},
"encoding": {
"text": {"field": config['labelField'], "type": dataProperties[config['labelField']]['dtype'], "format": dataProperties[config['labelField']]['valueFormat']},
"y": {"field": labelPinY, "type": dataProperties[config['y']]['dtype'], "stack": "zero"},
"x": {"field": labelPinX, "type": dataProperties[config['x']]['dtype'], "stack": "zero"}
}
};
if (config['mark_type'] != "bar") {
labelLayer.encoding.x.stack = null;
labelLayer.encoding.y.stack = null;
}
//apply label filters if requested
if (config['labelFilter'] != "" && typeof config['labelFilter'] != "undefined") {
var filterString;
//construct filter for nominal data
if (dataProperties[config['labelFilter']]['dtype'] == "nominal") {
filterString = {"filter": {"field": config['labelFilter'], "oneOf": config['labelFilterValues']}};
} else if (dataProperties[config['labelFilter']]['dtype'] == "quantitative") {
filterString = {"filter": "datum."+config['labelFilter']+" "+config['labelFilterValues'][0]};
}
labelLayer.transform.push(filterString);
}
//handle labels when a coloring encoding is included
if (config['color'] != "" && typeof config['color'] != "undefined") {
labelLayer.encoding.detail = [];
labelLayer.encoding.detail.push({"field": config['color'], "type": dataProperties[config['color']]['dtype']});
}
// if (config['labelField'] != config['x']) {
// labelLayer.encoding.detail.push({"field": config['x'], "type": dataProperties[config['x']]['dtype']});
// }
// if (config['labelField'] != config['y']) {
// labelLayer.encoding.detail.push({"field": config['y'], "type": dataProperties[config['y']]['dtype']});
// }
chart.spec.layer.push(labelLayer);
}
//order properties for stacked bars
if (config['order'] != "" && typeof config['order'] != "undefined") {
chart.spec.layer[0].encoding.order = {"field":config['order'], "type":dataProperties[config['order']]['dtype'], "sort":config['order_type']};
}
//sorting properties for bar charts mainly
if (config['sort'] != "" && typeof config['sort'] != "undefined") {
if (dataProperties[config['y']]['dtype'] == "nominal") {
chart.spec.layer[0].encoding.y.sort = {"field":config['sort'],"op":"sum" ,"order":config['sort_type']}; //"type":dataProperties[config['sort']]['dtype'],
} else if (dataProperties[config['x']]['dtype'] == "nominal") {
chart.spec.layer[0].encoding.x.sort = {"field":config['sort'],"op":"sum","order":config['sort_type']}; //"type":dataProperties[config['sort']]['dtype'],
}
}
//reference line settings
//update to try y first, use x if no y specified
if (config['averageX'] != "" && typeof config['averageX'] != "undefined") {
var axisSelect = "y";
if (config['y'] == "" || typeof config['y'] == "undefined") {
config['y'] = config['x'];
axisSelect = "x";
}
chart.spec.layer[0].selection = {
"refBrush": {
"type": "interval",
"encodings": [axisSelect]
}};
chart.spec.layer[(chart.spec.layer).length] = {
"transform": [{
"filter": {"selection": "refBrush"}
}],
"mark": {
"type": "rule",
"size": 2,
"color": "black"
},
"encoding": {
"tooltip": {
"field": config['x'],
"type": dataProperties[config['x']]['dtype'],
"format": dataProperties[config['x']]['valueFormat'],
"aggregate": config['averageX'],
"title": config['averageX'] + " of " + dataProperties[config['x']]['title']
},
"x": {
"field": config['x'],
"type": dataProperties[config['x']]['dtype'],
"scale": {"zero":config['unpin_x']},
"aggregate": config['averageX']
},
"opacity": {"value": 0.8}
}
};
chart.spec.layer[(chart.spec.layer).length] = {
"mark": {
"type": "rule",
"size": 2,
"color": "black"
},
"encoding": {
"tooltip": {
"field": config['x'],
"type": dataProperties[config['x']]['dtype'],
"format": dataProperties[config['x']]['valueFormat'],
"aggregate": config['averageX'],
"title": config['averageX'] + " of " + dataProperties[config['x']]['title']
},
"x": {
"field": config['x'],
"type": dataProperties[config['x']]['dtype'],
"scale": {"zero":config['unpin_x']},
"aggregate": config['averageX']
},
"opacity": {"value": 0.4}
}
};
}
//y axis reference line
///////////////////////
if (config['averageY'] != "" && typeof config['averageY'] != "undefined") {
var axisSelect = "x";
//use y axis if no x axis field (ie bubble plot using row instead of axis)
if (config['x'] == "" || typeof config['x'] == "undefined") {
config['x'] = config['y'];
axisSelect = "y";
}
chart.spec.layer[0].selection = {
"refBrush": {
"type": "interval",
"encodings": [axisSelect]
}};
chart.spec.layer[(chart.spec.layer).length] = {
"transform": [{
"filter": {"selection": "refBrush"}
}],
"mark": {
"type": "rule",
"size": 2,
"color": "black"
},
"encoding": {
"tooltip": {
"field": config['y'],
"type": dataProperties[config['y']]['dtype'],
"format": dataProperties[config['y']]['valueFormat'],
"aggregate": config['averageY'],
"title": config['averageY'] + " of " + dataProperties[config['y']]['title']
},
"y": {
"field": config['y'],
"type": dataProperties[config['y']]['dtype'],
"scale": {"zero":config['unpin_y']},
"aggregate": config['averageY']
},
"opacity": {"value": 0.8}
}
};
chart.spec.layer[(chart.spec.layer).length] = {
"mark": {
"type": "rule",
"size": 2,
"color": "black"
},
"encoding": {
"tooltip": {
"field": config['y'],
"type": dataProperties[config['y']]['dtype'],
"format": dataProperties[config['y']]['valueFormat'],
"aggregate": config['averageY'],
"title": config['averageY'] + " of " + dataProperties[config['y']]['title']
},
"y": {
"field": config['y'],
"type": dataProperties[config['y']]['dtype'],
"scale": {"zero":config['unpin_y']},
"aggregate": config['averageY']
},
"opacity": {"value": 0.4}
}
};
}
if (config['mark_type'] == 'boxplot') {
if (config['color'] == "" || typeof config['color'] == "undefined") {
chart.spec.layer[0].encoding.color = {"value":config['fixed_color'][0]};
} else {
chart.spec.layer[0].encoding.color = {"field":config['color'],"type":dataProperties[config['color']]['dtype'],"title":dataProperties[config['color']]['title']};
chart.spec.layer[0].encoding.color.scale = {"type": "ordinal", "scheme":config['color_scheme']};
}
// chart.spec.layer[0].encoding.opacity = {"value":config['opacity']};
if (config['boxplotExtent'] == "1.5") {
config['boxplotExtent'] = Number(config['boxplotExtent']);
}
chart.config.boxplot = {
"extent": config['boxplotExtent'],
"median": {"color":config['boxMedian'][0],"thickness":2,"ticks":true}
}
chart.config.bar = {
"stroke": config['border'][0],
"fill": config['fixed_color'][0],
"fillOpacity": config['opacity']
}
}
console.log(chart);
// console.log(JSON.stringify(chart));
var tooltipOptions = {
theme: 'dark'
};
var opt = {
"actions": false,
"tooltip": tooltipOptions,
"renderer": "svg"
};
function pdfDone() {
done();
}
vegaEmbed("#my-vega", chart, opt).then(({spec, view}) => {
var tips = document.getElementsByClassName("vg-tooltip");
view.addEventListener('click', function (event, item) {
if (event.shiftKey) {
} else {
try {
if (typeof item.datum.links != "undefined") {
LookerCharts.Utils.openDrillMenu({
links: item.datum.links,
event: event
});
}
} catch(err) {
}
}
});
pdfDone();
});
}