Browse For Image File And Display It On Jlabel Using Java Swing

Browse For Image File And Display It On Jlabel Using Java Swing Video Tutorial

Browse For Image File And Display It On Jlabel Using Java Swing Video Tutorial

Browse For Image File And Display It On Jlabel Using Java Swing

Browse For Image File And Display It On Jlabel Using Java Swing
Browse For Image File And Display It On Jlabel Using Java Swing

This guide shows how to display image on a jlabel using java and netbeans. The image is selected from windows computer using JFileChooser Class. The image is scaled to fit in the jlabel. Image uses jlabel height and width so that it can adjust to the parent jlabel accordingly.

/*
 * GUI Display Selected Row Values From JTable Into JTextfields radiobuttons checkbox Combobox in Java
 */
package AddDataToJTable;

import java.awt.Image;
import java.io.File;
import java.util.Vector;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.DefaultTableModel;

/**
 *
 * @author Genuine
 */
public class AddDataToJTable extends javax.swing.JFrame {

    /**
     * Creates new form AddDataToJTable
     */
    public AddDataToJTable() {
        initComponents();
        //Calling method/function to add column header to jtable
        addTableHeader();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        buttonGroup2 = new javax.swing.ButtonGroup();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jTextFieldName = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jRadioButtonMale = new javax.swing.JRadioButton();
        jRadioButtonFemale = new javax.swing.JRadioButton();
        jCheckBoxJava = new javax.swing.JCheckBox();
        jCheckBoxPHP = new javax.swing.JCheckBox();
        jComboBoxSubjects = new javax.swing.JComboBox();
        jButton1 = new javax.swing.JButton();
        jLabelImage = new javax.swing.JLabel();
        jButtonBrowseImage = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {

            }
        ));
        jTable1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jTable1MouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(jTable1);

        jTextFieldName.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextFieldNameActionPerformed(evt);
            }
        });

        jLabel1.setText("Name");

        buttonGroup1.add(jRadioButtonMale);
        jRadioButtonMale.setText("Male");

        buttonGroup1.add(jRadioButtonFemale);
        jRadioButtonFemale.setText("Female");

        buttonGroup2.add(jCheckBoxJava);
        jCheckBoxJava.setText("Java");

        buttonGroup2.add(jCheckBoxPHP);
        jCheckBoxPHP.setText("PHP");

        jComboBoxSubjects.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Computer Science", "Information Technology", "Business Information Technology" }));

        jButton1.setText("Add Data");
        jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton1MouseClicked(evt);
            }
        });
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButtonBrowseImage.setText("Browse //");
        jButtonBrowseImage.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonBrowseImageActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jComboBoxSubjects, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 150, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))
                        .addGap(15, 15, 15))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jRadioButtonMale)
                                    .addComponent(jCheckBoxJava))
                                .addGap(18, 18, 18)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jCheckBoxPHP)
                                    .addGroup(layout.createSequentialGroup()
                                        .addComponent(jRadioButtonFemale)
                                        .addGap(26, 26, 26)
                                        .addComponent(jButtonBrowseImage))))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jTextFieldName, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(jLabel1)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 13, Short.MAX_VALUE)
                        .addComponent(jLabelImage, javax.swing.GroupLayout.PREFERRED_SIZE, 146, javax.swing.GroupLayout.PREFERRED_SIZE))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabelImage, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jTextFieldName, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jLabel1))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jRadioButtonMale)
                            .addComponent(jRadioButtonFemale)
                            .addComponent(jButtonBrowseImage, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addGap(18, 18, 18)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jCheckBoxJava)
                            .addComponent(jCheckBoxPHP))))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 49, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jComboBoxSubjects, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 120, javax.swing.GroupLayout.PREFERRED_SIZE))
        );

        pack();
        setLocationRelativeTo(null);
    }// </editor-fold>                        

    private void jTextFieldNameActionPerformed(java.awt.event.ActionEvent evt) {                                               
        // TODO add your handling code here:
    }                                              
    DefaultTableModel model;
    String name = "";
    String gender = "";
    String programmingLanguage = "";
    String Subject = "";

//Adding table headers
    public void addTableHeader() {
        model = (DefaultTableModel) jTable1.getModel();
        Object[] newIdentifiers = new Object[]{"Name", "Gender", "Language", "Subject"};
        model.setColumnIdentifiers(newIdentifiers);
        
    }

    private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {                                      
        // TODO add your handling code here:

    }                                     

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        name = jTextFieldName.getText();
        if (jRadioButtonMale.isSelected()) {
            gender = "Male";
        } else if (jRadioButtonFemale.isSelected()) {
            gender = "Female";
        }
        
        if (jCheckBoxJava.isSelected()) {
            programmingLanguage = "Java";
        } else if (jCheckBoxPHP.isSelected()) {
            programmingLanguage = "PHP";
        }
        
        Subject = jComboBoxSubjects.getSelectedItem().toString();

        //Checking if one or more field is empty
        if (name.isEmpty() || gender.isEmpty() || programmingLanguage.isEmpty() || Subject.isEmpty()) {
            JOptionPane.showMessageDialog(null, "One Or More Fields Are Empty");
        } else {
//            JOptionPane.showMessageDialog(null, "All Fields are filled");
            //Adding entered data to jtable
            model.addRow(new Object[]{name, gender, programmingLanguage, Subject});
            JOptionPane.showMessageDialog(null, "Data Inserted");
            //clear fields after inserting the data
            clearFields();
        }

    }                                        

    private void jTable1MouseClicked(java.awt.event.MouseEvent evt) {                                     
        // TODO add your handling code here:      
//        Display data from jtable in input fields
        int selectedRow = jTable1.getSelectedRow();
        
        jTextFieldName.setText(model.getValueAt(selectedRow, 0).toString());
        String tableGender = model.getValueAt(selectedRow, 1).toString();
        if (tableGender.equals("Male")) {
            jRadioButtonMale.setSelected(true);
        } else if (tableGender.equals("Female")) {
            jRadioButtonFemale.setSelected(true);
        }
        String checkPLanguage = model.getValueAt(selectedRow, 2).toString();
        
        if (checkPLanguage.equals("Java")) {
            jCheckBoxJava.setSelected(true);
        } else if (checkPLanguage.equals("PHP")) {
            jCheckBoxPHP.setSelected(true);
        }
        
        String comboSub = model.getValueAt(selectedRow, 3).toString();
        for (int i = 0; i < jComboBoxSubjects.getItemCount(); i++) {
            if (jComboBoxSubjects.getItemAt(i).toString().equalsIgnoreCase(comboSub)) {
                jComboBoxSubjects.setSelectedIndex(i);
            }
        }

    }                                    

    private void jButtonBrowseImageActionPerformed(java.awt.event.ActionEvent evt) {                                                   
        // TODO add your handling code here:
        JFileChooser browseImageFile = new JFileChooser();
        //Filter image extensions
        FileNameExtensionFilter fnef = new FileNameExtensionFilter("IMAGES", "png", "jpg", "jpeg");
        browseImageFile.addChoosableFileFilter(fnef);
        int showOpenDialogue = browseImageFile.showOpenDialog(null);
        
        if (showOpenDialogue == JFileChooser.APPROVE_OPTION) {
            File selectedImageFile = browseImageFile.getSelectedFile();
            String selectedImagePath = selectedImageFile.getAbsolutePath();
            JOptionPane.showMessageDialog(null, selectedImagePath);
            //Display image on jlable
            ImageIcon ii = new ImageIcon(selectedImagePath);
//            Resize image to fit jlabel
            Image image = ii.getImage().getScaledInstance(jLabelImage.getWidth(), jLabelImage.getHeight(), Image.SCALE_SMOOTH);
            
            jLabelImage.setIcon(new ImageIcon(image));
        }
    }                                                  

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(AddDataToJTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(AddDataToJTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(AddDataToJTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(AddDataToJTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new AddDataToJTable().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.ButtonGroup buttonGroup2;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButtonBrowseImage;
    private javax.swing.JCheckBox jCheckBoxJava;
    private javax.swing.JCheckBox jCheckBoxPHP;
    private javax.swing.JComboBox jComboBoxSubjects;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabelImage;
    private javax.swing.JRadioButton jRadioButtonFemale;
    private javax.swing.JRadioButton jRadioButtonMale;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextFieldName;
    // End of variables declaration                   

    private void clearFields() {
        jTextFieldName.setText("");
        buttonGroup1.clearSelection();
        buttonGroup2.clearSelection();
        jComboBoxSubjects.setSelectedIndex(0);
    }
    
}

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