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Tugas 3 PBKK - Calculator Program & Currency Converter Program

 Calculator Program and Currency Converter Program

Sitti Chofifah - 05111840000039 - PBKK B 


Pada kesempatan kali ini, saya akan membuat calculator program menggunakan WinForm dan currency converter program dengan menggunakan API dari Currency Converter API. 

 

  • Calculator Program

         Calculator Program merupakan aplikasi kalkulator sederhana yang dapat melakukan berbagai operasi matematika seperti pertambahan, pengurangan, perkalian dan pembagian dengan cara melakukan input 2 buah angka dan memilih 1 operasi matematika. Berikut code untuk calculator program 

 Calculator Design Code : 

namespace Kalkulator {
	partial class Kalkulator {
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.IContainer components = null;

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
		protected override void Dispose(bool disposing) {
			if (disposing && (components != null)) {
				components.Dispose();
			}
			base.Dispose(disposing);
		}

		#region Windows Form Designer generated code

		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent() {
            this.inputValue1 = new System.Windows.Forms.NumericUpDown();
            this.inputValue2 = new System.Windows.Forms.NumericUpDown();
            this.labelValue1 = new System.Windows.Forms.Label();
            this.labelValue2 = new System.Windows.Forms.Label();
            this.outputResult = new System.Windows.Forms.TextBox();
            this.label3 = new System.Windows.Forms.Label();
            this.plusButton = new System.Windows.Forms.Button();
            this.minusButton = new System.Windows.Forms.Button();
            this.mulButton = new System.Windows.Forms.Button();
            this.divButton = new System.Windows.Forms.Button();
            this.clearButton = new System.Windows.Forms.Button();
            ((System.ComponentModel.ISupportInitialize)(this.inputValue1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.inputValue2)).BeginInit();
            this.SuspendLayout();
            // 
            // inputValue1
            // 
            this.inputValue1.Location = new System.Drawing.Point(76, 15);
            this.inputValue1.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.inputValue1.Name = "inputValue1";
            this.inputValue1.Size = new System.Drawing.Size(151, 22);
            this.inputValue1.TabIndex = 0;
            // 
            // inputValue2
            // 
            this.inputValue2.Location = new System.Drawing.Point(76, 47);
            this.inputValue2.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.inputValue2.Name = "inputValue2";
            this.inputValue2.Size = new System.Drawing.Size(151, 22);
            this.inputValue2.TabIndex = 1;
            // 
            // labelValue1
            // 
            this.labelValue1.AutoSize = true;
            this.labelValue1.Location = new System.Drawing.Point(12, 17);
            this.labelValue1.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
            this.labelValue1.Name = "labelValue1";
            this.labelValue1.Size = new System.Drawing.Size(54, 17);
            this.labelValue1.TabIndex = 2;
            this.labelValue1.Text = "value 1";
            // 
            // labelValue2
            // 
            this.labelValue2.AutoSize = true;
            this.labelValue2.Location = new System.Drawing.Point(12, 49);
            this.labelValue2.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
            this.labelValue2.Name = "labelValue2";
            this.labelValue2.Size = new System.Drawing.Size(54, 17);
            this.labelValue2.TabIndex = 3;
            this.labelValue2.Text = "value 2";
            // 
            // outputResult
            // 
            this.outputResult.Location = new System.Drawing.Point(67, 79);
            this.outputResult.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.outputResult.Name = "outputResult";
            this.outputResult.ReadOnly = true;
            this.outputResult.Size = new System.Drawing.Size(159, 22);
            this.outputResult.TabIndex = 4;
            // 
            // label3
            // 
            this.label3.AutoSize = true;
            this.label3.Location = new System.Drawing.Point(12, 82);
            this.label3.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(43, 17);
            this.label3.TabIndex = 5;
            this.label3.Text = "result";
            // 
            // plusButton
            // 
            this.plusButton.Font = new System.Drawing.Font("Microsoft Sans Serif", 28F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.plusButton.Location = new System.Drawing.Point(16, 111);
            this.plusButton.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.plusButton.Name = "plusButton";
            this.plusButton.Size = new System.Drawing.Size(100, 85);
            this.plusButton.TabIndex = 6;
            this.plusButton.Text = "+";
            this.plusButton.UseVisualStyleBackColor = true;
            // 
            // minusButton
            // 
            this.minusButton.Font = new System.Drawing.Font("Microsoft Sans Serif", 28F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.minusButton.Location = new System.Drawing.Point(124, 111);
            this.minusButton.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.minusButton.Name = "minusButton";
            this.minusButton.Size = new System.Drawing.Size(100, 85);
            this.minusButton.TabIndex = 7;
            this.minusButton.Text = "-";
            this.minusButton.UseVisualStyleBackColor = true;
            // 
            // mulButton
            // 
            this.mulButton.Font = new System.Drawing.Font("Microsoft Sans Serif", 28F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.mulButton.Location = new System.Drawing.Point(16, 203);
            this.mulButton.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.mulButton.Name = "mulButton";
            this.mulButton.Size = new System.Drawing.Size(100, 85);
            this.mulButton.TabIndex = 8;
            this.mulButton.Text = "x";
            this.mulButton.UseVisualStyleBackColor = true;
            // 
            // divButton
            // 
            this.divButton.Font = new System.Drawing.Font("Microsoft Sans Serif", 28F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.divButton.Location = new System.Drawing.Point(124, 203);
            this.divButton.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.divButton.Name = "divButton";
            this.divButton.Size = new System.Drawing.Size(100, 85);
            this.divButton.TabIndex = 9;
            this.divButton.Text = "/";
            this.divButton.UseVisualStyleBackColor = true;
            // 
            // clearButton
            // 
            this.clearButton.Font = new System.Drawing.Font("Microsoft Sans Serif", 28F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.clearButton.Location = new System.Drawing.Point(16, 295);
            this.clearButton.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.clearButton.Name = "clearButton";
            this.clearButton.Size = new System.Drawing.Size(208, 57);
            this.clearButton.TabIndex = 10;
            this.clearButton.Text = "c";
            this.clearButton.UseVisualStyleBackColor = true;
            // 
            // Kalkulator
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(248, 367);
            this.Controls.Add(this.clearButton);
            this.Controls.Add(this.divButton);
            this.Controls.Add(this.mulButton);
            this.Controls.Add(this.minusButton);
            this.Controls.Add(this.plusButton);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.outputResult);
            this.Controls.Add(this.labelValue2);
            this.Controls.Add(this.labelValue1);
            this.Controls.Add(this.inputValue2);
            this.Controls.Add(this.inputValue1);
            this.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.Name = "Kalkulator";
            this.Text = "Kalkulator";
            ((System.ComponentModel.ISupportInitialize)(this.inputValue1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.inputValue2)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

		}

		#endregion

		private System.Windows.Forms.NumericUpDown inputValue1;
		private System.Windows.Forms.NumericUpDown inputValue2;
		private System.Windows.Forms.Label labelValue1;
		private System.Windows.Forms.Label labelValue2;
		private System.Windows.Forms.TextBox outputResult;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button plusButton;
		private System.Windows.Forms.Button minusButton;
		private System.Windows.Forms.Button mulButton;
		private System.Windows.Forms.Button divButton;
		private System.Windows.Forms.Button clearButton;
	}
}

Calculator Code :

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Kalkulator {
	public partial class Kalkulator : Form {

		public Kalkulator() {
			InitializeComponent();
			outputResult.Text = "0";
			InitializeButtonEvents();
		}

		private void Plus(object sender, EventArgs e) {
			outputResult.Text = "" + (inputValue1.Value + inputValue2.Value);
		}

		private void Minus(object sender, EventArgs e) {
			outputResult.Text = "" + (inputValue1.Value - inputValue2.Value);
		}

		private void Multiply(object sender, EventArgs e) {
			outputResult.Text = "" + (inputValue1.Value * inputValue2.Value);
		}

		private void Division(object sender, EventArgs e) {
			outputResult.Text = "" + (inputValue1.Value / inputValue2.Value);
		}

		private void Clear(object sender, EventArgs e) {
			inputValue1.Value = 0;
			inputValue2.Value = 0;
			outputResult.Text = "0";
		}

		private void InitializeButtonEvents() {
			plusButton.Click += Plus;
			minusButton.Click += Minus;
			mulButton.Click += Multiply;
			divButton.Click += Division;
			clearButton.Click += Clear;
		}
	}
}


Berikut hasil dari calculator program

 

  • Currency Converter Program 
          Currency converter program adalah program konversi mata uang dari berbagai jenis mata uang ke jenis mata uang lainnya. Agar nilai tukar mata uang dapat terupdate secara real time, maka disini saya menggunakan API.
 
Program code : 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Currency_Conversion_App {
	static class Program {
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() {
			Application.EnableVisualStyles();
			Application.SetCompatibleTextRenderingDefault(false);
			Application.Run(new Form1());
		}
	}
}
 
Currency List code : 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace Currency_Conversion_App {
	class CurrencyList {
		public Dictionary<string, CurrencyData> results;

		public CurrencyData getCurrencyByID(string id) {
			return results[id];
		}

		public CurrencyData GetCurrencyByIndex(int index) {
			return results.ElementAt(index).Value;
		}

		public CurrencyData[] ToArray() {
			return results.Values.ToArray();
		}

		public static CurrencyList Deserialize(string data) {
			return JsonConvert.DeserializeObject<CurrencyList>(data);
		}

	}

	class CurrencyData {
		public string currencyName;
		public string currencySymbol;
		public string id;
	}
}

Currency code : 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Currency_Conversion_App {
	class Currency {
		public string name { get; }
		private float compareUnit = -1;
		public float CompareUnit {
			get {
				if(compareUnit == -1) {
					APIRequester currencyRequest = new APIRequester(string.Format("https://free.currconv.com/api/v7/convert?apiKey=acb1dfa8644dc094dc15&q={0}_{1}&compact=y",
						name, "USD"));
					ConversionData conversionData = ConversionData.Deserialize(currencyRequest.SendAndGetResponse());
					this.compareUnit = 1/(float)conversionData.val;
				}
				return compareUnit;
			}
		}

		public Currency(string name) {
			this.name = name;
		}

		public Currency(string name, float compareUnit) {
			this.name = name;
			this.compareUnit = compareUnit;
		}

		public float ConvertTo(float money, Currency currency) {
			return money / CompareUnit * currency.CompareUnit;
		}
	}
}

Currency Conversion code : 
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Currency_Conversion_App {
	public partial class Form1 : Form {

		private List<Currency> currencies;

		public Form1() {
			InitializeComponent();
			InitializeCurrency();
			SetUpComponent();
			Convert();
		}

		private void InitializeCurrency() {
			APIRequester currencyListRequest = new APIRequester("https://free.currconv.com/api/v7/currencies?apiKey=acb1dfa8644dc094dc15");
			CurrencyList currencyList = CurrencyList.Deserialize(currencyListRequest.SendAndGetResponse());
			currencies = new List<Currency>();
			CurrencyData[] datas = currencyList.ToArray();
			foreach(CurrencyData currency in datas) {
				CreateNewCurrency(currency.id); ;
			}
		}

		private void CreateNewCurrency(string name) {
			currencies.Add(new Currency(name));
		}

		private void SetUpComponent() {
			foreach(Currency currency in currencies) {
				inputCurrency.Items.Add(currency.name);
				outputCurrency.Items.Add(currency.name);
			}
			inputMoney.Minimum = 0;
			inputMoney.Maximum = decimal.MaxValue;
			inputMoney.DecimalPlaces = 2;
			inputCurrency.SelectedIndex = 0;
			outputCurrency.SelectedIndex = 0;
			convertButton.Click += ConvertButtonClick;
		}

		private void ConvertButtonClick(object sender, EventArgs arg) {
			Convert();
		}

		private Currency GetCurrencyByName(string name) {
			for(int i = 0; i < currencies.Count; i++) {
				if(currencies[i].name == name) {
					return currencies[i];
				}
			}
			return null;
		}

		private void Convert() {
			float money = (float)inputMoney.Value;
			Currency inCurrency = GetCurrencyByName(inputCurrency.Text);
			Currency outCurrency = GetCurrencyByName(outputCurrency.Text);
			float output = inCurrency.ConvertTo(money, outCurrency);
			outputMoney.Text = "" + output;
		}

	}
}

Conversion Data code : 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace Currency_Conversion_App {
	class ConversionData {
		public decimal val;

		public static ConversionData Deserialize(string data) {
			return JsonConvert.DeserializeObject<Dictionary<String, ConversionData>>(data).ElementAt(0).Value;
		}
	}
}

API Request code : 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace Currency_Conversion_App {
	class APIRequester {

		private string url;
		private WebClient client;

		public APIRequester(string url) {
			this.url = url;
			this.client = new WebClient();
		}

		public string SendAndGetResponse() {
			return client.DownloadString(url);
		}
	}
}

Berikut hasil dari Currency Converter Program 




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