@swimlane/ngx-charts
Version:
Declarative Charting Framework for Angular2 and beyond!
141 lines • 8.57 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 chart_component_1 = require('../common/charts/chart.component');
var base_chart_component_1 = require('../common/base-chart.component');
var view_dimensions_helper_1 = require('../common/view-dimensions.helper');
var d3_1 = require('../d3');
var color_helper_1 = require('../common/color.helper');
var ForceDirectedGraphComponent = (function (_super) {
__extends(ForceDirectedGraphComponent, _super);
function ForceDirectedGraphComponent() {
_super.apply(this, arguments);
this.force = d3_1.default.forceSimulation()
.force('charge', d3_1.default.forceManyBody())
.force('collide', d3_1.default.forceCollide(5))
.force('x', d3_1.default.forceX())
.force('y', d3_1.default.forceY());
this.forceLink = d3_1.default.forceLink().id(function (node) { return node.value; });
this.nodes = [];
this.links = [];
this.activeEntries = [];
this.activate = new core_1.EventEmitter();
this.deactivate = new core_1.EventEmitter();
this.margin = [0, 0, 0, 0];
this.results = [];
this.groupResultsBy = function (node) { return node.value; };
}
ForceDirectedGraphComponent.prototype.update = function () {
var _this = this;
_super.prototype.update.call(this);
this.zone.run(function () {
// center graph
_this.dims = view_dimensions_helper_1.calculateViewDimensions({
width: _this.width,
height: _this.height,
margins: _this.margin,
showLegend: _this.legend,
});
_this.seriesDomain = _this.getSeriesDomain();
_this.setColors();
_this.legendOptions = _this.getLegendOptions();
_this.transform = "\n translate(" + (_this.dims.xOffset + _this.dims.width / 2) + ", " + (_this.margin[0] + _this.dims.height / 2) + ")\n ";
if (_this.force) {
_this.force.nodes(_this.nodes)
.force('link', _this.forceLink.links(_this.links))
.alpha(0.5).restart();
}
});
};
ForceDirectedGraphComponent.prototype.onClick = function (data, node) {
this.select.emit(data);
};
ForceDirectedGraphComponent.prototype.onActivate = function (event) {
if (this.activeEntries.indexOf(event) > -1)
return;
this.activeEntries = [event].concat(this.activeEntries);
this.activate.emit({ value: event, entries: this.activeEntries });
};
ForceDirectedGraphComponent.prototype.onDeactivate = function (event) {
var idx = this.activeEntries.indexOf(event);
this.activeEntries.splice(idx, 1);
this.activeEntries = this.activeEntries.slice();
this.deactivate.emit({ value: event, entries: this.activeEntries });
};
ForceDirectedGraphComponent.prototype.getSeriesDomain = function () {
var _this = this;
return this.nodes.map(function (d) { return _this.groupResultsBy(d); })
.reduce(function (nodes, node) { return nodes.includes(node) ? nodes : nodes.concat([node]); }, [])
.sort();
};
ForceDirectedGraphComponent.prototype.trackLinkBy = function (index, link) {
return link.index;
};
ForceDirectedGraphComponent.prototype.trackNodeBy = function (index, node) {
return node.value;
};
ForceDirectedGraphComponent.prototype.setColors = function () {
this.colors = new color_helper_1.ColorHelper(this.scheme, 'ordinal', this.seriesDomain, this.customColors);
};
ForceDirectedGraphComponent.prototype.getLegendOptions = function () {
return {
scaleType: 'ordinal',
domain: this.seriesDomain,
colors: this.colors
};
};
// Easier to use Angular2 event management than use d3.drag
ForceDirectedGraphComponent.prototype.onDragStart = function (node, $event) {
this.force.alphaTarget(0.3).restart();
this.draggingNode = node;
this.draggingStart = { x: $event.x - node.x, y: $event.y - node.y };
this.draggingNode.fx = $event.x - this.draggingStart.x;
this.draggingNode.fy = $event.y - this.draggingStart.y;
};
ForceDirectedGraphComponent.prototype.onDrag = function ($event) {
if (!this.draggingNode)
return;
this.draggingNode.fx = $event.x - this.draggingStart.x;
this.draggingNode.fy = $event.y - this.draggingStart.y;
};
ForceDirectedGraphComponent.prototype.onDragEnd = function (node, $event) {
if (!this.draggingNode)
return;
this.force.alphaTarget(0);
this.draggingNode.fx = undefined;
this.draggingNode.fy = undefined;
this.draggingNode = undefined;
};
ForceDirectedGraphComponent.decorators = [
{ type: core_1.Component, args: [{
selector: 'ngx-charts-force-directed-graph',
template: "\n <ngx-charts-chart\n [view]=\"[width, height]\"\n [showLegend]=\"legend\"\n [legendOptions]=\"legendOptions\"\n (legendLabelClick)=\"onClick($event)\"\n (legendLabelActivate)=\"onActivate($event)\"\n (legendLabelDeactivate)=\"onDeactivate($event)\">\n <svg:g [attr.transform]=\"transform\" class=\"force-directed-graph chart\">\n <svg:g class=\"links\">\n <svg:g *ngFor=\"let link of links; trackBy:trackLinkBy\">\n <template *ngIf=\"linkTemplate\"\n [ngTemplateOutlet]=\"linkTemplate\"\n [ngOutletContext]=\"{ $implicit: link }\">\n </template>\n <svg:line *ngIf=\"!linkTemplate\"\n strokeWidth=\"1\" class=\"edge\"\n [attr.x1]=\"link.source.x\"\n [attr.y1]=\"link.source.y\"\n [attr.x2]=\"link.target.x\"\n [attr.y2]=\"link.target.y\"\n />\n </svg:g>\n </svg:g>\n <svg:g class=\"nodes\">\n <svg:g *ngFor=\"let node of nodes; trackBy:trackNodeBy\"\n [attr.transform]=\"'translate(' + node.x + ',' + node.y + ')'\"\n [attr.fill]=\"colors.getColor(groupResultsBy(node))\"\n [attr.stroke]=\"colors.getColor(groupResultsBy(node))\"\n (mousedown)=\"onDragStart(node, $event)\"\n (click)=\"onClick({name: node.value})\"\n ngx-tooltip\n [tooltipPlacement]=\"'top'\"\n [tooltipType]=\"'tooltip'\"\n [tooltipTitle]=\"node.value\">\n <template *ngIf=\"nodeTemplate\"\n [ngTemplateOutlet]=\"nodeTemplate\"\n [ngOutletContext]=\"{ $implicit: node }\">\n </template>\n <svg:circle *ngIf=\"!nodeTemplate\" r=\"5\" />\n </svg:g>\n </svg:g>\n </svg:g>\n </ngx-charts-chart>\n ",
changeDetection: core_1.ChangeDetectionStrategy.OnPush,
},] },
];
/** @nocollapse */
ForceDirectedGraphComponent.ctorParameters = function () { return []; };
ForceDirectedGraphComponent.propDecorators = {
'force': [{ type: core_1.Input },],
'forceLink': [{ type: core_1.Input },],
'legend': [{ type: core_1.Input },],
'nodes': [{ type: core_1.Input },],
'links': [{ type: core_1.Input },],
'activeEntries': [{ type: core_1.Input },],
'activate': [{ type: core_1.Output },],
'deactivate': [{ type: core_1.Output },],
'linkTemplate': [{ type: core_1.ContentChild, args: ['linkTemplate',] },],
'nodeTemplate': [{ type: core_1.ContentChild, args: ['nodeTemplate',] },],
'chart': [{ type: core_1.ViewChild, args: [chart_component_1.ChartComponent, { read: core_1.ElementRef },] },],
'groupResultsBy': [{ type: core_1.Input },],
'onDrag': [{ type: core_1.HostListener, args: ['document:mousemove', ['$event'],] },],
'onDragEnd': [{ type: core_1.HostListener, args: ['document:mouseup',] },],
};
return ForceDirectedGraphComponent;
}(base_chart_component_1.BaseChartComponent));
exports.ForceDirectedGraphComponent = ForceDirectedGraphComponent;
//# sourceMappingURL=force-directed-graph.component.js.map