Progress Bar di Java Eclipse [Swing]

Pada saat kita mengunduh ataupun mengunggah sering kita lihat adanya proses transfer data. Nah kali ini penulis akan membahas bagaimana cara membuatnya di java eclipse. Proses ini dinamakan progress bar.

Tampilan awal progress bar sebelum tombol Mulai ditekan

Instalasi JavaCV eclipse di windows 7

Sebelum melakukan penginstalan, siapkan terlebih dahulu software-software yang dibutuhkan. Dapat di download pada link berikut: 

• javacv-01-bin.zip from http://code.google.com/p/javacv/
• OpenCV windows SuperPack version 2.4.0 
• Jika belum menginstal Microsoft Visual C++ 2010 Redistributable Package download filenya pada link berikut: 

- Microsoft Visual C++ 2010 Redistributable Package (x86) untuk windows 32 bit 

- Microsoft Visual C++ 2010 Redistributable Package (x64) untuk windows 64 bit

Langkah-langkah instalasi:

Kalkulator dengan java swing (eclipse)

Tampilan Kalkulator

Source Code:

import java.awt.BorderLayout; import javax.swing.JPanel; import javax.swing.JFrame; import javax.swing.JTextField; import javax.swing.JButton; import java.awt.Dimension; import javax.swing.SwingConstants; import java.awt.Rectangle; import java.awt.Point; import java.awt.Color; import javax.swing.JLabel; import javax.swing.JTextArea; public class kalkulator extends JFrame { private static final long serialVersionUID = 1L; private JPanel jContentPane = null; private JButton j2 = null; private JButton j3 = null; private JButton j4 = null; private JButton j5 = null; private JButton j6 = null; private JButton j7 = null; private JButton j8 = null; private JButton j9 = null; private JButton j0 = null; private JButton jtmbh = null; private JButton jkrg = null; private JButton jkali = null; private JButton jbagi = null; private JButton jsmdgn = null; private JButton j1 = null; private JTextArea jdisplay = null; double nilA, nilB, hasil; int hasilAkhir; boolean tmbh = false, krg = false, kali = false, bagi = false; private JButton jClear = null; private JLabel jLabel = null; /** * This is the default constructor */ public kalkulator() { super(); initialize(); } /** * This method initializes this * * @return void */ private void initialize() { this.setSize(222, 256); this.setContentPane(getJContentPane()); this.setTitle("Sani Calculator"); } /** * This method initializes jContentPane * * @return javax.swing.JPanel */ private JPanel getJContentPane() { if (jContentPane == null) { jLabel = new JLabel(); jLabel.setBounds(new Rectangle(14, 197, 176, 16)); jLabel.setHorizontalAlignment(SwingConstants.CENTER); jLabel.setText("By Abdullah Sani"); jContentPane = new JPanel(); jContentPane.setLayout(null); jContentPane.add(getJ2(), null); jContentPane.add(getJ3(), null); jContentPane.add(getJ4(), null); jContentPane.add(getJ5(), null); jContentPane.add(getJ6(), null); jContentPane.add(getJ7(), null); jContentPane.add(getJ8(), null); jContentPane.add(getJ9(), null); jContentPane.add(getJ0(), null); jContentPane.add(getJtmbh(), null); jContentPane.add(getJkrg(), null); jContentPane.add(getJkali(), null); jContentPane.add(getJbagi(), null); jContentPane.add(getJsmdgn(), null); jContentPane.add(getJ1(), null); jContentPane.add(getJdisplay(), null); jContentPane.add(getJClear(), null); jContentPane.add(jLabel, null); } return jContentPane; } /** * This method initializes j2 * * @return javax.swing.JButton */ private JButton getJ2() { if (j2 == null) { j2 = new JButton(); j2.setSelected(false); j2.setText("2"); j2.setVerticalAlignment(SwingConstants.CENTER); j2.setSize(new Dimension(41, 25)); j2.setLocation(new Point(60, 45)); j2.setHorizontalTextPosition(SwingConstants.CENTER); j2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("2"); } }); } return j2; } /** * This method initializes j3 * * @return javax.swing.JButton */ private JButton getJ3() { if (j3 == null) { j3 = new JButton(); j3.setSelected(false); j3.setText("3"); j3.setVerticalAlignment(SwingConstants.CENTER); j3.setSize(new Dimension(41, 26)); j3.setLocation(new Point(105, 45)); j3.setHorizontalTextPosition(SwingConstants.CENTER); j3.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("3"); } }); } return j3; } /** * This method initializes j4 * * @return javax.swing.JButton */ private JButton getJ4() { if (j4 == null) { j4 = new JButton(); j4.setSelected(false); j4.setText("4"); j4.setVerticalAlignment(SwingConstants.CENTER); j4.setSize(new Dimension(41, 26)); j4.setLocation(new Point(15, 75)); j4.setHorizontalTextPosition(SwingConstants.CENTER); j4.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("4"); } }); } return j4; } /** * This method initializes j5 * * @return javax.swing.JButton */ private JButton getJ5() { if (j5 == null) { j5 = new JButton(); j5.setSelected(false); j5.setText("5"); j5.setVerticalAlignment(SwingConstants.CENTER); j5.setSize(new Dimension(41, 26)); j5.setLocation(new Point(60, 75)); j5.setHorizontalTextPosition(SwingConstants.CENTER); j5.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("5"); } }); } return j5; } /** * This method initializes j6 * * @return javax.swing.JButton */ private JButton getJ6() { if (j6 == null) { j6 = new JButton(); j6.setSelected(false); j6.setText("6"); j6.setVerticalAlignment(SwingConstants.CENTER); j6.setSize(new Dimension(41, 26)); j6.setLocation(new Point(105, 75)); j6.setHorizontalTextPosition(SwingConstants.CENTER); j6.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("6"); } }); } return j6; } /** * This method initializes j7 * * @return javax.swing.JButton */ private JButton getJ7() { if (j7 == null) { j7 = new JButton(); j7.setSelected(false); j7.setText("7"); j7.setVerticalAlignment(SwingConstants.CENTER); j7.setSize(new Dimension(41, 26)); j7.setLocation(new Point(15, 105)); j7.setHorizontalTextPosition(SwingConstants.CENTER); j7.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("7"); } }); } return j7; } /** * This method initializes j8 * * @return javax.swing.JButton */ private JButton getJ8() { if (j8 == null) { j8 = new JButton(); j8.setSelected(false); j8.setText("8"); j8.setVerticalAlignment(SwingConstants.CENTER); j8.setSize(new Dimension(41, 26)); j8.setLocation(new Point(60, 105)); j8.setHorizontalTextPosition(SwingConstants.CENTER); j8.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("8"); } }); } return j8; } /** * This method initializes j9 * * @return javax.swing.JButton */ private JButton getJ9() { if (j9 == null) { j9 = new JButton(); j9.setSelected(false); j9.setText("9"); j9.setVerticalAlignment(SwingConstants.CENTER); j9.setSize(new Dimension(41, 26)); j9.setLocation(new Point(105, 105)); j9.setHorizontalTextPosition(SwingConstants.CENTER); j9.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("9"); } }); } return j9; } /** * This method initializes j0 * * @return javax.swing.JButton */ private JButton getJ0() { if (j0 == null) { j0 = new JButton(); j0.setSelected(false); j0.setText("0"); j0.setVerticalAlignment(SwingConstants.CENTER); j0.setSize(new Dimension(41, 26)); j0.setLocation(new Point(15, 135)); j0.setHorizontalTextPosition(SwingConstants.CENTER); j0.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("0"); } }); } return j0; } /** * This method initializes jtmbh * * @return javax.swing.JButton */ private JButton getJtmbh() { if (jtmbh == null) { jtmbh = new JButton(); jtmbh.setSelected(false); jtmbh.setText("+"); jtmbh.setVerticalAlignment(SwingConstants.CENTER); jtmbh.setSize(new Dimension(41, 26)); jtmbh.setLocation(new Point(150, 45)); jtmbh.setHorizontalTextPosition(SwingConstants.CENTER); jtmbh.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() nilA = baca_nilai(); jdisplay.setText(""); tmbh = true; } }); } return jtmbh; } /** * This method initializes jkrg * * @return javax.swing.JButton */ private JButton getJkrg() { if (jkrg == null) { jkrg = new JButton(); jkrg.setBounds(new Rectangle(150, 75, 41, 26)); jkrg.setSelected(false); jkrg.setText("-"); jkrg.setVerticalAlignment(SwingConstants.CENTER); jkrg.setHorizontalTextPosition(SwingConstants.CENTER); jkrg.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() nilA = baca_nilai(); jdisplay.setText(""); krg = true; } }); } return jkrg; } /** * This method initializes jkali * * @return javax.swing.JButton */ private JButton getJkali() { if (jkali == null) { jkali = new JButton(); jkali.setBounds(new Rectangle(150, 105, 41, 26)); jkali.setSelected(false); jkali.setText("*"); jkali.setVerticalAlignment(SwingConstants.CENTER); jkali.setHorizontalTextPosition(SwingConstants.CENTER); jkali.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() nilA = baca_nilai(); jdisplay.setText(""); kali = true; } }); } return jkali; } /** * This method initializes jbagi * * @return javax.swing.JButton */ private JButton getJbagi() { if (jbagi == null) { jbagi = new JButton(); jbagi.setSelected(false); jbagi.setText("/"); jbagi.setVerticalAlignment(SwingConstants.CENTER); jbagi.setSize(new Dimension(41, 26)); jbagi.setLocation(new Point(150, 135)); jbagi.setHorizontalTextPosition(SwingConstants.CENTER); jbagi.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() nilA = baca_nilai(); jdisplay.setText(""); bagi = true; } }); } return jbagi; } /** * This method initializes jsmdgn * * @return javax.swing.JButton */ private JButton getJsmdgn() { if (jsmdgn == null) { jsmdgn = new JButton(); jsmdgn.setSelected(false); jsmdgn.setText("="); jsmdgn.setVerticalAlignment(SwingConstants.CENTER); jsmdgn.setBounds(new Rectangle(60, 135, 86, 26)); jsmdgn.setHorizontalTextPosition(SwingConstants.CENTER); jsmdgn.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() nilB = baca_nilai(); jdisplay.setText(""); if(tmbh == true) { hasil = nilA + nilB; hasilAkhir = (int)Math.round(hasil); jdisplay.setText(Integer.toString(hasilAkhir)); tmbh = false; } else if(krg == true) { hasil = nilA - nilB; hasilAkhir = (int)Math.round(hasil); jdisplay.setText(Integer.toString(hasilAkhir)); krg = false; } else if(kali == true) { hasil = nilA * nilB; hasilAkhir = (int)Math.round(hasil); jdisplay.setText(Integer.toString(hasilAkhir)); kali = false; } else if(bagi == true) { hasil = nilA / nilB; if(hasil%1==0) { hasilAkhir = (int)Math.round(hasil); jdisplay.setText(Integer.toString(hasilAkhir)); //jdisplay.setText(Double.toString(hasil)); bagi = false; } else { jdisplay.setText(Double.toString(hasil)); bagi = false; } } } }); jsmdgn.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() } }); } return jsmdgn; } /** * This method initializes j1 * * @return javax.swing.JButton */ private JButton getJ1() { if (j1 == null) { j1 = new JButton(); j1.setSelected(false); j1.setText("1"); j1.setVerticalAlignment(SwingConstants.CENTER); j1.setSize(new Dimension(41, 25)); j1.setLocation(new Point(15, 45)); j1.setHorizontalTextPosition(SwingConstants.CENTER); j1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() jdisplay.append("1"); } }); } return j1; } /** * This method initializes jdisplay * * @return javax.swing.JTextArea */ private JTextArea getJdisplay() { if (jdisplay == null) { jdisplay = new JTextArea(); jdisplay.setSize(new Dimension(176, 24)); jdisplay.setLocation(new Point(15, 7)); } return jdisplay; } public double baca_nilai() { double nilai; String ambilDt; ambilDt = jdisplay.getText(); nilai = Double.valueOf(ambilDt); return nilai; } /** * This method initializes jClear * * @return javax.swing.JButton */ private JButton getJClear() { if (jClear == null) { jClear = new JButton(); jClear.setLocation(new Point(15, 165)); jClear.setText("Clear"); jClear.setSize(new Dimension(175, 26)); jClear.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.out.println("actionPerformed()"); // TODO Auto-generated Event stub actionPerformed() nilA = 0; nilB = 0; jdisplay.setText(""); } }); } return jClear; } } // @jve:decl-index=0:visual-constraint="10,10"