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production-chart.es6.js
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(function() {
Polymer({
is: 'production-chart',
listeners: {
"legend-actual.tap": "_toggleActual",
"legend-target.tap": "_toggleTarget",
"legend-forecast.tap": "_toggleForecast"
},
properties: {
width: {
type: Number,
value: 960
},
height: {
type: Number,
value: 300
},
chartType: {
type: String,
value: "line"
},
tooltipConfig: {
type: Object,
notify: true,
value() {
return {
"lineColor": "#95a5ae",
"dashArray": "0,0",
"backgroundColor": "rgba(255,255,255,1)",
"stroke": "black",
"x": {
"label": "Date",
"suffix": "",
"prefix": "",
"timeFormat": "%d %b %y",
"color": "gray"
},
"y": {
"design": {
"label": "Design",
"suffix": "",
"prefix": ""
},
"actual": {
"label": "Actual",
"suffix": "",
"prefix": ""
},
"target": {
"label": "Target",
"suffix": "",
"prefix": ""
},
"forecast": {
"label": "Forecast",
"suffix": "",
"prefix": ""
}
}
};
}
},
axisConfig: {
type: Object,
notify: true,
value() {
return {
"x": {
"tickFormat": "",
"inputTimeFormat": "%Y-%m-%dT%H:%M:%S.%LZ",
"tickTimeFormat": "%d %b %y",
"todayLabel": "Today",
"historicalLabel": "Historical",
"forecastLabel": "Forecast",
"gridColor": "steelblue"
},
"y": {
"tickFormat": ".3s",
"dotRadius": 0,
"start": 0,
"gridColor": "steelblue",
"series": {
"design": {
"color": "rgba(237, 221, 70, 0.7)",
"dashArray": "2,2",
"axis": {
"start": 0,
"position": "right",
"padding": "1rem"
}
},
"actual": {
"color": "#5fbcf8",
"historicalHighlightColor": "gray"
},
"target": {
"color": "#f05c56"
},
"forecast": {
"color": "rgba(164, 117, 237, 0.8)"
}
}
}
};
}
},
actualDispVal: {
type: Number
},
targetDispVal: {
type: Number
},
designDispVal: {
type: Number
},
forecastDispVal: {
type: Number
},
actualLegendLabel: {
type: String
},
targetLegendLabel: {
type: String
},
forecastLegendLabel: {
type: String
},
designCapacityLegendLabel: {
type: String
},
hideActualLegend: {
type: Boolean,
value: false
},
hideTargetLegend: {
type: Boolean,
value: false
},
hideForecastLegend: {
type: Boolean,
value: false
},
hideDesignCapacityLegend: {
type: Boolean,
value: false
},
legendLabels: {
type: Array,
value() {
return [];
},
observer: '_setLegendLabels'
},
actualUnit: {
type: String
},
targetUnit: {
type: String
},
forecastUnit: {
type: String
},
designUnit: {
type: String
},
unit: {
type: String,
value: "Metric Ton/day"
},
axisKeys: {
type: Array,
notify: true,
value() {
return [
"actual", "target", "forecast", "design"
]
}
},
data: {
type: Array,
value() {
return [];
},
observer: '_redraw'
},
dateRange: {
type: Object,
notify: true,
value() {
return {}
}
},
datePicker: {
type: String,
value: ""
},
margin: {
type: Object,
notify: true,
value() {
return {top: 20, right: 20, bottom: 30, left: 50};
},
observer: '_redraw'
},
wide: {
type: Boolean,
observer: "_resize",
notify: true,
reflectToAttribute: true
},
medium: {
type: Boolean,
observer: "_resize",
notify: true,
reflectToAttribute: true
},
small: {
type: Boolean,
observer: "_resize",
notify: true,
reflectToAttribute: true
}
},
ready: function() {
this.scopeSubtree(this.$.chart, true);
window.addEventListener("resize", this._resize.bind(this));
this._resize.bind(this)();
},
draw: function() {
this._setDefaults();
let data = this._massageData(this.data);
this._segregateData(data);
this._prepareChartingArea();
this._prepareAxes(data);
this._setLegendDefaults();
this._highlightHistorical();
this._drawDesign(data);
this._drawActual(data);
this._drawForecast(data);
this._drawTarget(data);
this._drawAxes(data);
this._drawTimelineSeparators(data);
this._drawGridLines(data);
this._drawTooltip(data, this);
this.fire("chart-drawn", {});
},
_toggleActual() {
this.hideActual = !this.hideActual;
if(this.hideActual) {
this.querySelector(".actual-area").style.display = "none";
this.querySelectorAll(".actual-circle").forEach((elt) => {
elt.style.display = "none";
});
} else {
this.querySelector(".actual-area").style.display = "block";
this.querySelectorAll(".actual-circle").forEach((elt) => {
elt.style.display = "block";
});
}
},
_toggleTarget() {
this.hideTarget = !this.hideTarget;
if(this.hideTarget) {
this.querySelector(".target-line").style.display = "none";
this.querySelectorAll(".target-circle").forEach((elt) => {
elt.style.display = "none";
});
} else {
this.querySelector(".target-line").style.display = "block";
this.querySelectorAll(".target-circle").forEach((elt) => {
elt.style.display = "block";
});
}
},
_toggleForecast() {
this.hideForecast = !this.hideForecast;
if(this.hideForecast) {
if (this.querySelector(".forecast-line")) {
this.querySelector(".forecast-line").style.display = "none";
}
this.querySelectorAll(".forecast-circle").forEach((elt) => {
elt.style.display = "none";
});
this.querySelectorAll(".forecast-area").forEach((elt) => {
elt.style.display = "none";
});
} else {
if (this.querySelector(".forecast-line")) {
this.querySelector(".forecast-line").style.display = "block";
}
this.querySelectorAll(".forecast-circle").forEach((elt) => {
elt.style.display = "block";
});
this.querySelectorAll(".forecast-area").forEach((elt) => {
elt.style.display = "block";
});
}
},
_redraw: function(newData, oldData) {
Polymer.dom(this.$.chart).node.innerHTML = "";
this.draw();
},
_setLegendLabels: function(labels) {
if(labels && labels.length) {
this.set("actualLegendLabel", labels[0]);
this.set("targetLegendLabel", labels[1]);
this.set("forecastLegendLabel", labels[2]);
this.set("designCapacityLegendLabel", labels[3]);
}
},
_compute: function(prop) {
return prop;
},
isDatePickerBased: function(datePicker) {
return datePicker ? true : false;
},
isDateRangeBased: function(datePicker) {
return datePicker ? false : true;
},
_resize: function() {
let size = "10px";
if(this.medium) {
size = "1.3vw";
this.axisConfig.x.ticks = this.axisConfig.x.ticksMedium ?
this.axisConfig.x.ticksMedium : this.axisConfig.x.ticks;
this.axisConfig.y.ticks = this.axisConfig.y.ticksMedium ?
this.axisConfig.y.ticksMedium : this.axisConfig.y.ticks;
} else if(this.small) {
size = "2.5vw";
this.axisConfig.x.ticks = this.axisConfig.x.ticksSmall ?
this.axisConfig.x.ticksSmall : this.axisConfig.x.ticks;
this.axisConfig.y.ticks = this.axisConfig.y.ticksSmall ?
this.axisConfig.y.ticksSmall : this.axisConfig.y.ticks;
}
this.notifyPath('axisConfig.*');
Px.d3.selectAll('text')
.style('font-size', size);
this.customStyle['--font-size'] = size;
this.updateStyles();
this.svg.selectAll('.x-axis').remove();
this.svg.selectAll('.y-axis').remove();
this.svg.selectAll('.yaxis-label').remove();
this._drawAxes();
},
_setDefaults() {
// set the dimensions and margins of the graph
this._setDefaultMargin();
this.axisConfig = this.axisConfig || {};
this.axisConfig.x = this.axisConfig.x || {};
this.axisConfig.y = this.axisConfig.y || {};
this.axisConfig.x.axisColor = this.axisConfig.x.axisColor || '#95a5ae';
this.axisConfig.y.axisColor = this.axisConfig.y.axisColor || '#95a5ae';
this.axisConfig.y.series = this.axisConfig.y.series || {};
this.axisConfig.y.series.design = this.axisConfig.y.series.design || {};
this.axisConfig.y.series.design.color = this.axisConfig.y.series.design.color || "rgba(237, 221, 70, 0.7)";
this.axisConfig.y.series.actual = this.axisConfig.y.series.actual || {};
this.axisConfig.y.series.actual.color = this.axisConfig.y.series.actual.color || "#5fbcf8";
this.axisConfig.y.series.target = this.axisConfig.y.series.target || {};
this.axisConfig.y.series.target.color = this.axisConfig.y.series.target.color || "#f05c56";
this.axisConfig.y.series.forecast = this.axisConfig.y.series.forecast || {};
this.axisConfig.y.series.forecast.color = this.axisConfig.y.series.forecast.color || "rgba(164, 117, 237, 0.8)";
this.actualCol = this.axisConfig.y.series.actual.color;
this.targetCol = this.axisConfig.y.series.target.color;
this.forecastCol = this.axisConfig.y.series.forecast.color;
this.designCol = this.axisConfig.y.series.design.color;
this.chartType = this.chartType || "line";
if(!this.axisConfig.y.dotRadius) {
if(this.axisConfig.y.dotRadius != 0) {
this.axisConfig.y.dotRadius = 2;
} else {
this.axisConfig.y.dotRadius = 0;
}
}
this.axisConfig.y.dotRadius = +this.axisConfig.y.dotRadius;
// parse the date / time
this.axisConfig.x.inputTimeFormat = this.axisConfig.x.inputTimeFormat ?
this.axisConfig.x.inputTimeFormat : "%Y-%m-%dT%H:%M:%S.%LZ";
let d3 = Px.d3;
this.parseTime = d3.timeParse(this.axisConfig.x.inputTimeFormat);
this.tooltipConfig = this.tooltipConfig || {};
this.tooltipConfig.lineColor = this.tooltipConfig.lineColor || "#95a5ae";
this.tooltipConfig.dashArray = this.tooltipConfig.dashArray || "0,0";
this.tooltipConfig.backgroundColor = this.tooltipConfig.backgroundColor || "rgba(255,255,255,1)";
this.tooltipConfig.stroke = this.tooltipConfig.stroke || "black";
this.tooltipConfig.dotRadius = this.tooltipConfig.dotRadius || 4;
this.tooltipConfig.x = this.tooltipConfig.x || {};
this.tooltipConfig.x.color = this.tooltipConfig.x.color || "gray";
this.tooltipConfig.y = this.tooltipConfig.y || {};
this.tooltipConfig.design = this.tooltipConfig.design || {};
this.tooltipConfig.actual = this.tooltipConfig.actual || {};
this.tooltipConfig.target = this.tooltipConfig.target || {};
this.tooltipConfig.forecast = this.tooltipConfig.forecast || {};
this.set("designUnit", this.unit);
this.set("actualUnit", this.unit);
this.set("targetUnit", this.unit);
this.set("forecastUnit", this.unit);
this.customStyle['--x-grid-color'] = this.axisConfig.x.gridColor || this.axisConfig.x.axisColor;
this.customStyle['--y-grid-color'] = this.axisConfig.y.gridColor || this.axisConfig.y.axisColor;
this.customStyle['--font-size'] = "11px";
this.customStyle['--tooltip-background'] = this.tooltipConfig.backgroundColor;
this.customStyle['--tooltip-border'] = this.tooltipConfig.stroke;
this.updateStyles();
this.set("axisConfig", this.axisConfig);
this.set("tooltipConfig", this.tooltipConfig);
this.notifyPath('axisConfig');
this.notifyPath('axisConfig.*');
this.notifyPath('tooltipConfig');
this.notifyPath('tooltipConfig.*');
},
_setDefaultMargin() {
this.margin = this.margin || {top: 20, right: 70, bottom: 30, left: 50};
this.margin.top = this.margin.top ? this.margin.top : 20;
this.margin.right = this.margin.right ? this.margin.right : 20;
this.margin.bottom = this.margin.bottom ? this.margin.bottom : 30;
this.margin.left = this.margin.left ? this.margin.left : 50;
this.margin.left = this.margin.left + 30;
this.margin.top = this.margin.top + 30;
this.adjustedWidth = this.width - this.margin.left - this.margin.right,
this.adjustedHeight = this.height - this.margin.top - this.margin.bottom;
this.set("margin", this.margin);
this.notifyPath('margin');
this.notifyPath('margin.top');
this.notifyPath('margin.right');
this.notifyPath('margin.bottom');
this.notifyPath('margin.left');
this.notifyPath('margin.*');
},
_massageData(data) {
data.forEach((d) => {
d.date = d.date.getTime ? d.date : this.parseTime(d.date);
this.axisKeys.forEach((key)=>{
d[key] = d[key] ? (+d[key]) : 0;
});
});
return data;
},
_segregateData(data) {
this.actualData = []; this.designData = []; this.forecastData = []; this.targetData = [];
data.forEach((_data) => {
if(_data.actual == _data.forecast) {
this.today = _data.date;
this.designDispVal = _data.design.toFixed(0);
this.actualDispVal = _data.actual.toFixed(0);
this.targetDispVal = _data.target.toFixed(0);
this.forecastDispVal = _data.forecast.toFixed(0);
this.todayActual = this.actualDispVal;
this.todayTarget = this.targetDispVal;
this.todayForecast = this.forecastDispVal;
this.todayDesign = this.designDispVal;
}
if(_data.actual > 0) {this.actualData.push(_data)}
if(_data.target > 0) {this.targetData.push(_data)}
if(_data.forecast > 0) {this.forecastData.push(_data)}
if(_data.design > 0) {this.designData.push(_data)}
});
if(!this.todayActual && !this.todayTarget && !this.todayForecast && !this.todayDesign) {
let lastObj = data[data.length-1]
this.todayActual = lastObj.actualDispVal ? lastObj.actualDispVal.toFixed(0) : "";
this.todayTarget = lastObj.targetDispVal ? lastObj.targetDispVal.toFixed(0) : "";
this.todayForecast = lastObj.forecastDispVal ? lastObj.targetDispVal.toFixed(0) : "";
this.todayDesign = lastObj.designDispVal ? lastObj.targetDispVal.toFixed(0) : "";
}
if(!this.today) {
this.today = new Date();
}
},
_prepareChartingArea() {
let d3 = Px.d3;
this.svg = d3.select(this.$.chart).append("svg")
.attr("viewBox", "0 0 "+this.width+" "+this.height)
.attr("width", "100%")
.attr("height", "100%")
.attr("preserveAspectRatio", "xMidYMid meet")
.append("g")
.attr("transform",
"translate(" + this.margin.left + "," + this.margin.top + ")");
},
_prepareAxes(data) {
let d3 = Px.d3, me = this;
this.x = d3.scaleTime().range([0, this.adjustedWidth]);
this.y = d3.scaleLinear().range([this.adjustedHeight, 0]).clamp(true);
let yMax = d3.max(data, function(d) {
const arr = [];
["actual", "target", "forecast", "design"].forEach((key) => {
if(me.axisConfig.y.series[key] &&
!me.axisConfig.y.series[key].axis) {
arr.push(d[key]);
}
});
return Math.max.apply(me, arr);
});
let yMin = this.axisConfig.y.start;
if(!yMin) {
if(yMin != 0) {
yMin = yMax/2;
}
}
yMin = +yMin;
this.x.domain(d3.extent(data, function(d) { return d.date; })).nice(d3.timeDay);
this.y.domain([yMin, yMax]).nice(6);
["actual", "target", "forecast", "design"].forEach((key) => {
me.y[key] = me.y;
if(me.axisConfig.y.series[key] &&
me.axisConfig.y.series[key].axis) {
me.y[key] = d3.scaleLinear().range([this.adjustedHeight, 0]).clamp(true);
let _yMax = d3.max(data, function(d) {
return d[key];
});
let _yMin = +me.axisConfig.y.series[key].axis.start;
if(!_yMin) {
if(_yMin != 0) {
_yMin = _yMax/2;
}
}
_yMin = +_yMin;
me.y[key].domain([_yMin, _yMax]).nice(6);
me.set(key+"Unit", me.axisConfig.y.series[key].axis.unit);
} else {
me.y[key].domain([yMin, yMax]).nice(6);
}
});
},
_setLegendDefaults() {
this.set("hideActualLegend", this.actualData.length === 0);
this.set("hideTargetLegend", this.targetData.length === 0);
this.set("hideForecastLegend", this.forecastData.length === 0);
this.set("hideDesignCapacityLegend", this.designData.length === 0);
},
_highlightHistorical(data) {
let x= this.x, y=this.y, me = this, d3 = Px.d3;
this.svg.append("rect")
.attr("fill",
this.axisConfig.y.series.actual.historicalHighlightColor
|| 'rgba(226, 222, 222, 0.6)')
.attr("x1", 0)
.attr("y1", 0)
.attr("width", x(this.today))
.attr("height", this.adjustedHeight)
.style("pointer-events", "none");
},
_drawDesign(data) {
let x= this.x, y=this.y.design ? this.y.design : this.y, me = this, d3 = Px.d3;
if(this.designData.length) {
let area = d3.area()
.x(function(d) { return x(d.date); })
.y1(function(d) { return y(d[me.axisKeys[3]]); });
let designLine = d3.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(d[me.axisKeys[3]]); });
let yScaledMin = y(y.domain()[0]);
area.y0(yScaledMin);
if(this.chartType === "line") {
this.svg.append("path")
.data([this.designData])
.attr("class", "design-line")
.style("stroke", this.axisConfig.y.series.design.color)
.style("stroke-dasharray", this.axisConfig.y.series.design.dashArray || "0,0")
.style("fill", "transparent")
.attr("d", designLine)
.style("pointer-events", "none");
} else {
this.svg.append("path")
.datum(this.designData)
.style("stroke", this.axisConfig.y.series.design.color)
.attr("fill", this.axisConfig.y.series.design.color)
.attr("d", area)
.style("pointer-events", "none");
}
}
},
_drawTarget(data) {
let x= this.x, y=this.y.target ? this.y.target : this.y, me = this, d3 = Px.d3;
let targetChart = d3.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(d[me.axisKeys[1]]); });
if(!this.hideTarget && this.targetData.length) {
this.svg.append("path")
.data([this.targetData])
.attr("class", "target-line")
.style("stroke", this.axisConfig.y.series.target.color)
.style("stroke-dasharray", this.axisConfig.y.series.target.dashArray || "0,0")
.attr("d", targetChart)
.style("pointer-events", "none");
}
},
_drawActual(data) {
let x= this.x, y=this.y.actual ? this.y.actual : this.y, me = this, d3 = Px.d3;
this.actualArea = d3.area()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(d[me.axisKeys[0]]); });
if(!this.hideActual && this.actualData.length) {
let yScaledMin = y(y.domain()[0]);
let actualLine = d3.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(d[me.axisKeys[0]]); });
this.actualArea.y1(yScaledMin);
if(this.chartType === "line") {
this.svg.append("path")
.data([this.actualData])
.attr("class", "actual-area actual-line")
.style("stroke", this.axisConfig.y.series.actual.color)
.style("stroke-dasharray", this.axisConfig.y.series.actual.dashArray || "0,0")
.style("fill", "transparent")
.attr("d", actualLine)
.style("pointer-events", "none");
} else {
this.svg.append("path")
.datum(this.actualData)
.attr("class", "actual-area")
.style("stroke", this.axisConfig.y.series.actual.color)
.style("fill", this.axisConfig.y.series.actual.color)
.attr("d", this.actualArea)
.style("pointer-events", "none");
}
}
},
_drawForecast(data) {
let x= this.x, y=this.y.forecast ? this.y.forecast : this.y, me = this, d3 = Px.d3;
let forecastLine = d3.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(d[me.axisKeys[2]]); });
if(!this.hideForecast && this.forecastData.length > 0) {
let yScaledMin = y(y.domain()[0]);
if(this.chartType !== "line") {
let areaAboveForecastLine = d3.area()
.x(forecastLine.x())
.y0(forecastLine.y())
.y1(yScaledMin);
let areaBelowForecastLine = d3.area()
.x(forecastLine.x())
.y0(forecastLine.y())
.y1(this.actualArea.y());
let areaAboveActual = d3.area()
.x(this.actualArea.x())
.y0(this.actualArea.y())
.y1(yScaledMin);
let areaBelowActual = d3.area()
.x(this.actualArea.x())
.y0(this.actualArea.y())
.y1(forecastLine.y());
let defs = this.svg.append('defs');
defs.append('clipPath')
.attr('id', 'clip-forecast')
.append('path')
.datum(this.forecastData)
.attr("class", "forecast-area forecast-positive")
.attr('d', areaAboveForecastLine)
.style("pointer-events", "none");
defs.append('clipPath')
.attr('id', 'clip-actual')
.append('path')
.datum(this.forecastData)
.attr("class", "forecast-area forecast-negative")
.attr('d', areaAboveActual)
.style("pointer-events", "none");
this.svg.append('path')
.datum(this.forecastData)
.attr('d', areaBelowForecastLine)
.attr("class", "forecast-area forecast-negative")
.attr('clip-path', 'url(#clip-actual)')
.style("pointer-events", "none");
this. svg.append('path')
.datum(this.forecastData)
.attr('d', areaBelowActual)
.attr("class", "forecast-area forecast-positive")
.attr('clip-path', 'url(#clip-forecast)')
.style("pointer-events", "none");
} else {
this.svg.append("path")
.datum(this.forecastData)
.attr("class", "forecast-line")
.style("stroke-dasharray", this.axisConfig.y.series.forecast.dashArray || "0,0")
.attr("d", forecastLine);
}
}
},
_drawAxes(data) {
let x= this.x, y=this.y, me = this, d3 = Px.d3;
if(!this.margin.top) {
this._setDefaultMargin();
}
// Add the X Axis
this.xAxis = d3.axisBottom(x);
let _xAxis = this.xAxis;
if(this.axisConfig.x.ticks) {
_xAxis.ticks(this.axisConfig.x.ticks);
}
if(this.axisConfig.x.tickTimeFormat) {
if(typeof this.axisConfig.x.tickTimeFormat === "function") {
_xAxis.tickFormat(this.axisConfig.x.tickTimeFormat);
} else {
_xAxis.tickFormat(d3.timeFormat(
this.axisConfig.x.tickTimeFormat));
}
}
this.svg.append("g")
.attr("transform", "translate(0," + this.adjustedHeight + ")")
.attr("class", "x-axis")
.call(_xAxis);
// Add the Y Axis
let axesDirDrawn = [];
["actual", "design", "target", "forecast"].forEach((key) => {
let _axis = me.axisConfig.y.series[key].axis || {};
let axisDir = _axis.position ? _axis.position.toLowerCase() : "left";
let padding = _axis.padding ? _axis.padding : 0;
y = me.y[key] || y;
if(axesDirDrawn.indexOf(axisDir) === -1) {
me.yAxis = axisDir === 'left' ? d3.axisLeft(y) : d3.axisRight(y);
let _yAxis = me.yAxis;
if(me.axisConfig.y.ticks) {
_yAxis.ticks(me.axisConfig.y.ticks);
}
let tickFormat = _axis.tickFormat || me.axisConfig.y.tickFormat;
if(tickFormat) {
_yAxis.tickFormat(d3.format(tickFormat));
}
if(axisDir === 'right') {
let _transformX = me.adjustedWidth;
me.svg.append("g")
.attr("class", "y-axis")
.attr("transform", "translate( " + _transformX + ", 0 )")
.style("padding", padding)
.call(_yAxis);
me.svg.append("text")
.attr("transform", "rotate(-90)")
.attr("x", -me.margin.right)
.attr("y", me.adjustedWidth + me.margin.left/2)
.attr("dy", "1em")
.attr("class", "yaxis-label")
.text(_axis.unit || me.unit);
axesDirDrawn.push('right');
} else {
me.svg.append("g")
.attr("class", "y-axis")
.style("padding", padding)
.call(_yAxis);
axesDirDrawn.push('left');
}
}
});
this.svg.append("text")
.attr("transform", "rotate(-90)")
.attr("y", -this.margin.left)
.attr("x", 0 - (this.adjustedHeight / 2))
.attr("dy", "1em")
.attr("class", "yaxis-label")
.text(this.unit);
},
_drawTimelineSeparators(data) {
let x= this.x, y=this.y, me = this, d3 = Px.d3;
this.svg.append("svg:line")
.attr("class", "today")
.attr("x1", x(this.today))
.attr("y1", this.adjustedHeight+18)
.attr("x2", x(this.today))
.attr("y2", -7);
this.svg.append("text")
.attr("class", "period-text")
.attr("x", (x(x.domain()[0]) + x(this.today))/2)
.attr("y", -9)
.text(this.axisConfig.x.historicalLabel || "Historical");
this.svg.append("text")
.attr("class", "period-text today-text")
.attr("x", x(this.today)-10)
.attr("y", -9)
.text(this.axisConfig.x.todayLabel || "Today");
if(!this.hideForecast && this.forecastData.length > 0) {
this.svg.append("text")
.attr("class", "period-text")
.attr("x", x(this.today) + 100)
.attr("y", -9)
.text(this.axisConfig.x.forecastLabel || "Forecast");
}
},
_drawGridLines(data) {
let x= this.x, y=this.y, me = this, d3 = Px.d3;
if(!this.axisConfig.x.hideGrid) {
this.svg.append("g")
.attr("class", "grid x-grid")
.call(d3.axisBottom(x)
.ticks(this.axisConfig.x.totalGridLines || 5)
.tickSize(this.adjustedHeight)
.tickFormat(""));
}
if(!this.axisConfig.y.hideGrid) {
this.svg.append("g")
.attr("class", "grid y-grid")
.call(d3.axisLeft(y)
.ticks(this.axisConfig.y.totalGridLines || 5)
.tickSize(-this.adjustedWidth)
.tickFormat(""));
}
},
_drawTooltip(data, scope) {
let x= this.x, y=this.y, me = scope, d3 = Px.d3;
this.toolTip = d3.tip(d3.select(this.$.chart))
.attr("class", "d3-tip")
.html((d) => {
return d;
});
this.updateLegendVal = (d) => {
this.actualDispVal = d.actual.toFixed(0);
this.targetDispVal = d.target.toFixed(0);
this.forecastDispVal = d.forecast.toFixed(0);
this.designDispVal = d.design.toFixed(0);
};
this.revertLegendValToToday = () => {
this.actualDispVal = this.todayActual;
this.targetDispVal = this.todayTarget;
this.forecastDispVal = this.todayForecast;
this.designDispVal = this.todayDesign;
};
let focus = this.svg.append('g')
.style('display', 'none')
.style("pointer-events", "none"),
bisectDate = d3.bisector(function(d) { return d.date; }).left;
let getMsg = (d) => {
let arr = [];
let appendTextIfValid = (cfg, val, arr, col) => {
if(cfg && cfg.label) {
arr.push(`<span style="color: ${cfg.color || col}">
${cfg.label} : ${cfg.prefix || ''}</span>${val}${cfg.suffix || ''}`);
}
return arr;
};
const fmt = d3.timeFormat(this.tooltipConfig.x.timeFormat || "%d %b %y");
appendTextIfValid(this.tooltipConfig.x, fmt(d.date),
arr, this.tooltipConfig.x.color);
if(this.actualData.length) {
appendTextIfValid(this.tooltipConfig.y.actual, d.actual,
arr, this.axisConfig.y.series.actual.color);
}
if(this.targetData.length) {
appendTextIfValid(this.tooltipConfig.y.target, d.target,
arr, this.axisConfig.y.series.target.color);
}
if(this.forecastData.length) {
appendTextIfValid(this.tooltipConfig.y.forecast, d.forecast,
arr, this.axisConfig.y.series.forecast.color);
}
if(this.designData.length) {
appendTextIfValid(this.tooltipConfig.y.design, d.design,
arr, this.axisConfig.y.series.design.color);
}
return arr.join("<br>");
};
focus.append('line')
.attr('id', 'focusLineX')
.attr('class', 'focusLine');
focus.append('line')
.attr('id', 'focusLineY')
.attr('class', 'focusLine')
.call(this.toolTip);
this.svg.append('rect')
.attr('class', 'overlay')
.attr('width', this.adjustedWidth)
.attr('height', this.adjustedHeight)
.on('mouseover', () => {
focus.style('display', null);
})
.on('mouseout', () => {
focus.style('display', 'none');
this.svg.selectAll(".tooltip-circle").remove();
this.toolTip.hide();
this.revertLegendValToToday();
})
.on('mousemove', () => {
let m = d3.select(this.$.chart).select('rect.overlay').node().getScreenCTM();
let mouse = d3.select(this.$.chart).select('#chart svg').node().createSVGPoint();
mouse.x = d3.event.clientX;
mouse.y = d3.event.clientY;
mouse = mouse.matrixTransform(m.inverse());
const [mouseX, mouseY] = [mouse.x, mouse.y];
let mouseDate = x.invert(mouseX);
let i = bisectDate(data, mouseDate);
let d0 = data[i - 1] || data[0];
let d1 = data[i];
let d = d0 && d1 && (mouseDate - d0.date > d1.date - mouseDate) ? d1 : d0;
let xVal = x(d.date);
let yVal = y(y.invert(mouseY));
focus.select('#focusLineX')
.attr('x1', xVal).attr('y1', y(y.domain()[0]))
.attr('x2', xVal).attr('y2', y(y.domain()[1]));
focus.select('#focusLineY')
.attr('x1', x(x.domain()[0])).attr('y1', yVal)
.attr('x2', x(x.domain()[1])).attr('y2', yVal);
let w = this.svg.node().getBBox().width;
this.toolTip.offset([mouse.y, xVal/2 - w/4]);
this._toggleDots(d, me);
this.toolTip.show(getMsg(d));
this.updateLegendVal(d);
});
},
_toggleDots(data, scope) {
let x= this.x, y=this.y, me = scope, d3 = Px.d3, radius = 5;
this.svg.selectAll(".tooltip-circle").remove();
if(this.designData.length) {
y=this.y.design || this.y;
this.svg.selectAll(".dot")
.data([data])
.enter()
.append("circle")
.attr("r", data.design ? radius : 0)
.attr("cx", (d, i) => x(d.date))
.attr("cy", (d) => y(d.design))
.attr("fill", me.axisConfig.y.series.design.color)
.attr("class", "tooltip-circle design-circle");
}
if(!this.hideTarget && this.targetData.length) {
y=this.y.target || this.y;
this.svg.selectAll(".dot")
.data([data])
.enter()
.append("circle")
.attr("r", data.target ? radius : 0)
.attr("cx", (d, i) => x(d.date))
.attr("cy", (d) => y(d.target))
.attr("fill", me.axisConfig.y.series.target.color)
.attr("class", "tooltip-circle target-circle");
}
if(!this.hideActual && this.actualData.length) {
y=this.y.actual || this.y;
this.svg.selectAll(".dot")
.data([data])
.enter()
.append("circle")
.attr("r", data.actual ? radius : 0)
.attr("cx", (d, i) => x(d.date))
.attr("cy", (d) => y(d.actual))
.attr("fill", me.axisConfig.y.series.actual.color)
.attr("class", "tooltip-circle actual-circle");
}
if(!this.hideForecast && this.forecastData.length > 0) {
y=this.y.forecast || this.y;
this.svg.selectAll(".dot")
.data([data])
.enter()
.append("circle")
.attr("r", data.forecast ? radius : 0)
.attr("cx", (d, i) => x(d.date))