@swimlane/ngx-charts
Version:
Declarative Charting Framework for Angular2 and beyond!
181 lines • 8.53 kB
JavaScript
"use strict";
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var core_1 = require('@angular/core');
var d3_1 = require('../d3');
var base_chart_component_1 = require('../common/base-chart.component');
var view_dimensions_helper_1 = require('../common/view-dimensions.helper');
var color_helper_1 = require('../common/color.helper');
var GaugeComponent = (function (_super) {
__extends(GaugeComponent, _super);
function GaugeComponent() {
_super.apply(this, arguments);
this.min = 0;
this.max = 100;
this.bigSegments = 10;
this.smallSegments = 5;
this.showAxis = true;
this.startAngle = -120;
this.angleSpan = 240;
this.schemeType = 'ordinal';
this.resizeScale = 1;
this.rotation = '';
this.textTransform = '';
this.cornerRadius = 10;
}
GaugeComponent.prototype.ngAfterViewInit = function () {
var _this = this;
_super.prototype.ngAfterViewInit.call(this);
setTimeout(function () { return _this.scaleText(); });
};
GaugeComponent.prototype.update = function () {
var _this = this;
_super.prototype.update.call(this);
this.zone.run(function () {
if (!_this.showAxis) {
_this.margin = [10, 20, 10, 20];
}
else {
_this.margin = [60, 100, 60, 100];
}
// make the starting angle positive
if (_this.startAngle < 0) {
_this.startAngle = (_this.startAngle % 360) + 360;
}
_this.dims = view_dimensions_helper_1.calculateViewDimensions({
width: _this.width,
height: _this.height,
margins: _this.margin
});
_this.domain = _this.getDomain();
_this.valueDomain = _this.getValueDomain();
_this.valueScale = _this.getValueScale();
_this.displayValue = _this.getDisplayValue();
_this.outerRadius = Math.min(_this.dims.width, _this.dims.height) / 2;
_this.arcs = _this.getArcs();
_this.setColors();
var xOffset = _this.margin[3] + _this.dims.width / 2;
var yOffset = _this.margin[0] + _this.dims.height / 2;
_this.transform = "translate(" + xOffset + ", " + yOffset + ")";
_this.rotation = "rotate(" + _this.startAngle + ")";
_this.scaleText();
});
};
GaugeComponent.prototype.getArcs = function () {
var arcs = [];
var availableRadius = this.outerRadius * 0.7;
var radiusPerArc = Math.min(availableRadius / this.results.length, 10);
var arcWidth = radiusPerArc * 0.7;
this.textRadius = this.outerRadius - this.results.length * radiusPerArc;
this.cornerRadius = Math.floor(arcWidth / 2);
var i = 0;
for (var _i = 0, _a = this.results; _i < _a.length; _i++) {
var d = _a[_i];
var outerRadius = this.outerRadius - (i * radiusPerArc);
var innerRadius = outerRadius - arcWidth;
var backgroundArc = {
endAngle: this.angleSpan * Math.PI / 180,
innerRadius: innerRadius,
outerRadius: outerRadius,
data: {
value: this.max,
name: d.name
}
};
var valueArc = {
endAngle: Math.min(this.valueScale(d.value), this.angleSpan) * Math.PI / 180,
innerRadius: innerRadius,
outerRadius: outerRadius,
data: {
value: d.value,
name: d.name
}
};
var arc = {
backgroundArc: backgroundArc,
valueArc: valueArc
};
arcs.push(arc);
i++;
}
return arcs;
};
GaugeComponent.prototype.getDomain = function () {
return this.results.map(function (d) { return d.name; });
};
GaugeComponent.prototype.getValueDomain = function () {
var values = this.results.map(function (d) { return d.value; });
var dataMin = Math.min.apply(Math, values);
var dataMax = Math.max.apply(Math, values);
if (this.min !== undefined) {
this.min = Math.min(this.min, dataMin);
}
else {
this.min = dataMin;
}
if (this.max !== undefined) {
this.max = Math.max(this.max, dataMax);
}
else {
this.max = dataMax;
}
return [this.min, this.max];
};
GaugeComponent.prototype.getValueScale = function () {
return d3_1.default.scaleLinear()
.range([0, this.angleSpan])
.domain(this.valueDomain);
};
GaugeComponent.prototype.getDisplayValue = function () {
var value = this.results.map(function (d) { return d.value; }).reduce(function (a, b) { return a + b; }, 0);
return value.toLocaleString();
};
GaugeComponent.prototype.scaleText = function () {
var _this = this;
var width = this.textEl.nativeElement.getBoundingClientRect().width;
if (width === 0)
return;
var oldScale = this.resizeScale;
var availableSpace = this.textRadius;
this.resizeScale = Math.floor((availableSpace / (width / this.resizeScale)) * 100) / 100;
if (this.resizeScale !== oldScale) {
this.textTransform = "scale(" + this.resizeScale + ", " + this.resizeScale + ")";
this.cd.markForCheck();
setTimeout(function () { _this.scaleText(); });
}
};
GaugeComponent.prototype.onClick = function (data) {
this.select.emit(data);
};
GaugeComponent.prototype.setColors = function () {
this.colors = new color_helper_1.ColorHelper(this.scheme, 'ordinal', this.domain, this.customColors);
};
GaugeComponent.decorators = [
{ type: core_1.Component, args: [{
selector: 'ngx-charts-gauge',
template: "\n <ngx-charts-chart\n [view]=\"[width, height]\"\n [showLegend]=\"false\">\n <svg:g [attr.transform]=\"transform\" class=\"gauge chart\">\n <svg:g *ngFor=\"let arc of arcs\" [attr.transform]=\"rotation\">\n <svg:g ngx-charts-gauge-arc\n [backgroundArc]=\"arc.backgroundArc\"\n [valueArc]=\"arc.valueArc\"\n [cornerRadius]=\"cornerRadius\"\n [colors]=\"colors\"\n (select)=\"onClick($event)\">\n </svg:g>\n </svg:g>\n\n <svg:g ngx-charts-gauge-axis\n *ngIf=\"showAxis\"\n [bigSegments]=\"bigSegments\"\n [smallSegments]=\"smallSegments\"\n [min]=\"min\"\n [max]=\"max\"\n [radius]=\"outerRadius\"\n [angleSpan]=\"angleSpan\"\n [valueScale]=\"valueScale\"\n [startAngle]=\"startAngle\">\n </svg:g>\n\n <svg:text #textEl\n [style.textAnchor]=\"'middle'\"\n [attr.transform]=\"textTransform\"\n alignment-baseline=\"central\">\n <tspan x=\"0\" dy=\"0\">{{displayValue}}</tspan>\n <tspan x=\"0\" dy=\"1.2em\">{{units}}</tspan>\n </svg:text>\n\n </svg:g>\n </ngx-charts-chart>\n ",
changeDetection: core_1.ChangeDetectionStrategy.OnPush,
},] },
];
/** @nocollapse */
GaugeComponent.ctorParameters = function () { return []; };
GaugeComponent.propDecorators = {
'min': [{ type: core_1.Input },],
'max': [{ type: core_1.Input },],
'units': [{ type: core_1.Input },],
'bigSegments': [{ type: core_1.Input },],
'smallSegments': [{ type: core_1.Input },],
'results': [{ type: core_1.Input },],
'showAxis': [{ type: core_1.Input },],
'startAngle': [{ type: core_1.Input },],
'angleSpan': [{ type: core_1.Input },],
'schemeType': [{ type: core_1.Input },],
'textEl': [{ type: core_1.ViewChild, args: ['textEl',] },],
};
return GaugeComponent;
}(base_chart_component_1.BaseChartComponent));
exports.GaugeComponent = GaugeComponent;
//# sourceMappingURL=gauge.component.js.map