@swimlane/ngx-charts
Version:
Declarative Charting Framework for Angular2 and beyond!
120 lines • 5.55 kB
JavaScript
"use strict";
var core_1 = require('@angular/core');
var d3_1 = require('../d3');
var moment = require('moment');
var id_1 = require('../utils/id');
var sort_1 = require('../utils/sort');
var LineSeriesComponent = (function () {
function LineSeriesComponent() {
}
LineSeriesComponent.prototype.ngOnChanges = function (changes) {
this.update();
};
LineSeriesComponent.prototype.update = function () {
this.updateGradients();
var line = this.getLineGenerator();
var area = this.getAreaGenerator();
var data = this.sortData(this.data.series);
this.path = line(data) || '';
this.areaPath = area(data) || '';
};
LineSeriesComponent.prototype.getLineGenerator = function () {
var _this = this;
return d3_1.default.line()
.x(function (d) {
var label = d.name;
var value;
if (_this.scaleType === 'time') {
value = _this.xScale(moment(label).toDate());
}
else if (_this.scaleType === 'linear') {
value = _this.xScale(Number(label));
}
else {
value = _this.xScale(label);
}
return value;
})
.y(function (d) { return _this.yScale(d.value); })
.curve(this.curve);
};
LineSeriesComponent.prototype.getAreaGenerator = function () {
var _this = this;
var xProperty = function (d) {
var label = d.name;
return _this.xScale(label);
};
return d3_1.default.area()
.x(xProperty)
.y0(function () { return _this.yScale.range()[0]; })
.y1(function (d) { return _this.yScale(d.value); })
.curve(this.curve);
};
LineSeriesComponent.prototype.sortData = function (data) {
if (this.scaleType === 'linear') {
data = sort_1.sortLinear(data, 'name');
}
else if (this.scaleType === 'time') {
data = sort_1.sortByTime(data, 'name');
}
else {
data = sort_1.sortByDomain(data, 'name', 'asc', this.xScale.domain());
}
return data;
};
LineSeriesComponent.prototype.updateGradients = function () {
if (this.colors.scaleType === 'linear') {
this.hasGradient = true;
var pageUrl = window.location.href;
this.gradientId = 'grad' + id_1.id().toString();
this.gradientUrl = "url(" + pageUrl + "#" + this.gradientId + ")";
var values = this.data.series.map(function (d) { return d.value; });
var max = Math.max.apply(Math, values);
var min = Math.min.apply(Math, values);
this.gradientStops = this.colors.getLinearGradientStops(max, min);
this.areaGradientStops = this.colors.getLinearGradientStops(max);
}
else {
this.hasGradient = false;
this.gradientStops = undefined;
this.areaGradientStops = undefined;
}
};
LineSeriesComponent.prototype.isActive = function (entry) {
if (!this.activeEntries)
return false;
var item = this.activeEntries.find(function (d) {
return entry.name === d.name;
});
return item !== undefined;
};
LineSeriesComponent.prototype.isInactive = function (entry) {
if (!this.activeEntries || this.activeEntries.length === 0)
return false;
var item = this.activeEntries.find(function (d) {
return entry.name === d.name;
});
return item === undefined;
};
LineSeriesComponent.decorators = [
{ type: core_1.Component, args: [{
selector: 'g[ngx-charts-line-series]',
template: "\n <svg:g>\n <defs>\n <svg:g ngx-charts-svg-linear-gradient ng-if=\"hasGradient\"\n [color]=\"colors.getColor(data.name)\"\n orientation=\"vertical\"\n [name]=\"gradientId\"\n [stops]=\"gradientStops\"\n />\n </defs>\n <svg:g ngx-charts-area\n class=\"line-highlight\"\n [data]=\"data\"\n [path]=\"areaPath\"\n [fill]=\"hasGradient ? gradientUrl : colors.getColor(data.name)\"\n [opacity]=\"0.25\"\n [startOpacity]=\"0\"\n [gradient]=\"true\"\n [stops]=\"areaGradientStops\"\n [class.active]=\"isActive(data)\"\n [class.inactive]=\"isInactive(data)\"\n /> \n <svg:g ngx-charts-line\n class=\"line-series\"\n [data]=\"data\"\n [path]=\"path\"\n [stroke]=\"hasGradient ? gradientUrl : colors.getColor(data.name)\"\n [class.active]=\"isActive(data)\"\n [class.inactive]=\"isInactive(data)\"\n />\n </svg:g>\n ",
changeDetection: core_1.ChangeDetectionStrategy.OnPush
},] },
];
/** @nocollapse */
LineSeriesComponent.ctorParameters = function () { return []; };
LineSeriesComponent.propDecorators = {
'data': [{ type: core_1.Input },],
'xScale': [{ type: core_1.Input },],
'yScale': [{ type: core_1.Input },],
'colors': [{ type: core_1.Input },],
'scaleType': [{ type: core_1.Input },],
'curve': [{ type: core_1.Input },],
'activeEntries': [{ type: core_1.Input },],
};
return LineSeriesComponent;
}());
exports.LineSeriesComponent = LineSeriesComponent;
//# sourceMappingURL=line-series.component.js.map