BackgroundDialog.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * BackgroundDialog.java
 *
 * Created on Sep 6, 2013, 10:29:14 PM
 */
package com.arretados.leveleditor;

import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;

/**
 *
 * @author yurifariasg
 */
public class BackgroundDialog extends javax.swing.JDialog {
    private ImageListener listener;

    /** Creates new form BackgroundDialog */
    public BackgroundDialog(java.awt.Frame parent, boolean modal) {
        super(parent, modal);
        initComponents();
    }

    /** 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">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        jLabel1 = new javax.swing.JLabel();
        pathTextField = new javax.swing.JTextField();
        openButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setName("Form"); // NOI18N
        getContentPane().setLayout(new java.awt.GridBagLayout());

        jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(com.arretados.leveleditor.LevelEditorApp.class).getContext().getResourceMap(BackgroundDialog.class);
        jLabel1.setText(resourceMap.getString("jLabel1.text")); // NOI18N
        jLabel1.setName("jLabel1"); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 100.0;
        gridBagConstraints.weighty = 100.0;
        getContentPane().add(jLabel1, gridBagConstraints);

        pathTextField.setText(resourceMap.getString("pathTextField.text")); // NOI18N
        pathTextField.setName("pathTextField"); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 95.0;
        getContentPane().add(pathTextField, gridBagConstraints);

        openButton.setText(resourceMap.getString("openButton.text")); // NOI18N
        openButton.setName("openButton"); // NOI18N
        openButton.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                openButtonMouseClicked(evt);
            }
        });
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 5.0;
        getContentPane().add(openButton, gridBagConstraints);

        pack();
    }// </editor-fold>//GEN-END:initComponents

private final JFileChooser fc = new JFileChooser();
    
private void openButtonMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_openButtonMouseClicked
    //In response to a button click:
    int returnVal = fc.showOpenDialog(this);
    System.out.println("Return: " + returnVal);
    if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        try {
            setImageWithPath(file.getAbsolutePath());
        } catch (Exception e) {
            jLabel1.setText("Failed to load image");
        }
    }
}//GEN-LAST:event_openButtonMouseClicked

private void setImageWithPath(String absolutePath) throws Exception {
    
    Image img = ImageIO.read(new File(absolutePath));
    ImageIcon imgIcon = new ImageIcon(img);
    if (imgIcon.getIconHeight() == 0 ||
            imgIcon.getIconWidth() == 0)
        throw new Exception();
    
    if (listener != null)
        listener.onImageChanged(img);
    
    jLabel1.setIcon(imgIcon);
    jLabel1.setText("");
    pathTextField.setText(absolutePath);
}

public void setImageListener(ImageListener listener) {
    this.listener = listener;
}



    /**
     * @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(BackgroundDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(BackgroundDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(BackgroundDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(BackgroundDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the dialog */
        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {
                BackgroundDialog dialog = new BackgroundDialog(new javax.swing.JFrame(), true);
                dialog.addWindowListener(new java.awt.event.WindowAdapter() {

                    @Override
                    public void windowClosing(java.awt.event.WindowEvent e) {
                        System.exit(0);
                    }
                });
                dialog.setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel1;
    private javax.swing.JButton openButton;
    private javax.swing.JTextField pathTextField;
    // End of variables declaration//GEN-END:variables
}