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| // | |
| // ViewController.swift | |
| // ChartLibTest | |
| // | |
| // Created by Cedulio Cezar on 03/11/16. | |
| // Copyright © 2016 Cedulio Cezar. All rights reserved. | |
| // | |
| import UIKit | |
| import Charts | |
| class ViewController: UIViewController { | |
| @IBOutlet weak var chart: HorizontalBarChartView! | |
| var months: [String]! | |
| override func viewDidLoad() { | |
| super.viewDidLoad() | |
| chart.drawBarShadowEnabled = false | |
| chart.drawValueAboveBarEnabled = true | |
| chart.maxVisibleCount = 60 | |
| let xAxis = chart.xAxis | |
| xAxis.labelPosition = .bottom | |
| xAxis.drawAxisLineEnabled = true | |
| xAxis.drawGridLinesEnabled = false | |
| xAxis.granularity = 10.0 | |
| let leftAxis = chart.leftAxis; | |
| leftAxis.drawAxisLineEnabled = true; | |
| leftAxis.drawGridLinesEnabled = true; | |
| leftAxis.axisMinimum = 0.0; // this replaces startAtZero = YES | |
| let rightAxis = chart.rightAxis | |
| rightAxis.enabled = true; | |
| rightAxis.drawAxisLineEnabled = true; | |
| rightAxis.drawGridLinesEnabled = false; | |
| rightAxis.axisMinimum = 0.0; // this replaces startAtZero = YES | |
| let l = chart.legend | |
| l.enabled = false | |
| chart.fitBars = true; | |
| setDataCount(count: 12, range: 50) | |
| } | |
| func setDataCount(count: Int, range: Double){ | |
| let barWidth = 9.0 | |
| let spaceForBar = 10.0; | |
| var yVals = [BarChartDataEntry]() | |
| for i in 0..<count{ | |
| let mult = (range + 1) | |
| let val = (Double)(arc4random_uniform(UInt32(mult))) | |
| yVals.append(BarChartDataEntry(x: Double(i) * spaceForBar, y: val)) | |
| } | |
| var set1 : BarChartDataSet! | |
| if let count = chart.data?.dataSetCount, count > 0{ | |
| set1 = chart.data?.dataSets[0] as! BarChartDataSet | |
| set1.values = yVals | |
| chart.data?.notifyDataChanged() | |
| chart.notifyDataSetChanged() | |
| }else{ | |
| set1 = BarChartDataSet(values: yVals, label: "DataSet") | |
| var dataSets = [BarChartDataSet]() | |
| dataSets.append(set1) | |
| let data = BarChartData(dataSets: dataSets) | |
| data.barWidth = barWidth; | |
| chart.data = data | |
| } | |
| } | |
| } |
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