Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package su.fmi.photoshareclient.ui; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import javax.imageio.ImageIO; import javax.swing.ImageIcon; import javax.swing.JFileChooser; import javax.swing.JLabel; import javax.swing.JOptionPane; import org.apache.commons.io.FilenameUtils; import su.fmi.photoshareclient.helpers.Pagination; import su.fmi.photoshareclient.helpers.images.ImageLabel; import su.fmi.photoshareclient.remote.ImageHandler; /** * * @author Merx3 */ public class PhotoViewDialog extends javax.swing.JDialog { public PhotoViewDialog(java.awt.Frame parent, boolean modal, ImageLabel image) { this(parent, modal); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); setBounds(0, 0, (int) (screenSize.width * 0.9), (int) (screenSize.height * 0.9)); this.imageLabel = new ImageLabel(image.getImage(), image.getImageId(), image.getFileName()); jPanel1.add(this.imageLabel); jPanel1.revalidate(); jPanel1.repaint(); } /** * Creates new form PhotoViewDialog */ public PhotoViewDialog(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() { jPanel1 = new javax.swing.JPanel(); jPanel2 = new javax.swing.JPanel(); SaveImageButton = new javax.swing.JButton(); DeleteImageButton = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE); setTitle("View Image"); jPanel1.setLayout(new java.awt.GridLayout(1, 1)); jPanel2.setLayout(new org.netbeans.lib.awtextra.AbsoluteLayout()); SaveImageButton.setText("Save as..."); SaveImageButton.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { SaveImageButtonMouseClicked(evt); } }); jPanel2.add(SaveImageButton, new org.netbeans.lib.awtextra.AbsoluteConstraints(0, 0, 100, -1)); DeleteImageButton.setText("Delete"); DeleteImageButton.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { DeleteImageButtonMouseClicked(evt); } }); jPanel2.add(DeleteImageButton, new org.netbeans.lib.awtextra.AbsoluteConstraints(110, 0, 90, -1)); 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) .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addContainerGap())); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap() .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addContainerGap())); pack(); }// </editor-fold>//GEN-END:initComponents private void SaveImageButtonMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_SaveImageButtonMouseClicked JFileChooser fileChooser = new JFileChooser() { // A warning for overweiting existing files @Override public void approveSelection() { File f = getSelectedFile(); if (f.exists() && getDialogType() == SAVE_DIALOG) { int result = JOptionPane.showConfirmDialog(this, "The file exists, overwrite?", "Existing file", JOptionPane.YES_NO_CANCEL_OPTION); switch (result) { case JOptionPane.YES_OPTION: super.approveSelection(); return; case JOptionPane.NO_OPTION: return; case JOptionPane.CLOSED_OPTION: return; case JOptionPane.CANCEL_OPTION: cancelSelection(); return; } } super.approveSelection(); } }; fileChooser.setDialogTitle("Save image as..."); File rootVolume = File.listRoots()[0]; fileChooser.setSelectedFile(new File(rootVolume.getAbsolutePath(), this.imageLabel.getFileName())); int userSelection = fileChooser.showSaveDialog(this); if (userSelection == JFileChooser.APPROVE_OPTION) { try { File fileToSave = fileChooser.getSelectedFile(); BufferedImage bi = (BufferedImage) this.imageLabel.getImage(); String ext = FilenameUtils.getExtension(fileToSave.getAbsolutePath()); ImageIO.write(bi, ext, fileToSave); } catch (IOException ex) { Logger.getLogger(PhotoViewDialog.class.getName()).log(Level.SEVERE, null, ex); } } }//GEN-LAST:event_SaveImageButtonMouseClicked private void DeleteImageButtonMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_DeleteImageButtonMouseClicked int result = JOptionPane.showConfirmDialog(this, "Are you sure you want to delete image " + this.imageLabel.getFileName() + "?", "Delete image", JOptionPane.YES_NO_OPTION); if (result == JOptionPane.YES_OPTION) { ImageHandler.deleteImage(this.imageLabel.getFileName()); Pagination.removeImage(this.imageLabel.getFileName()); ((PhotoViewerGUI) this.getParent()).refreshPage(); setVisible(false); dispose(); } }//GEN-LAST:event_DeleteImageButtonMouseClicked /** * @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(PhotoViewDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(PhotoViewDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(PhotoViewDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(PhotoViewDialog.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() { PhotoViewDialog dialog = new PhotoViewDialog(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.JButton DeleteImageButton; private javax.swing.JButton SaveImageButton; private javax.swing.JPanel jPanel1; private javax.swing.JPanel jPanel2; // End of variables declaration//GEN-END:variables private ImageLabel imageLabel; }