所以我有一个有趣的问题。我有一个应用程序，我想在表格的每个单元格中都有进度条。为了安全起见，我编写了一个独立的应用程序，它可以满足我的需求，但现在我在将它整合到我预先存在的代码中时遇到了问题。我迷失了每个文件所需的内容。我发布了应用程序表和进度条表代码。我需要得到这两个网格或者简单地把它放在应用程序表中我需要进度条。任何帮助表示赞赏。
申请表
package gui;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.AlgorithmParameters;
import java.security.spec.KeySpec;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
public class FileTable extends JPanel {
/**
*
*/
private static final long serialVersionUID = 1L;
private JTable table;
private DefaultTableModel tableModel =
new DefaultTableModel(new String[]
{"File", "Size", "Status" }, 0);
private File dir;
private File temp;
private JPopupMenu popup;
private String key;
private PasswordStorage passwordStorage;
private JFileChooser fileChooser;
private static String salt = "loquetdeliciouslysalty";
private static byte[] IV;
public FileTable() {
// Set Layout Manager
setLayout(new BorderLayout());
// Create Swing Components
table = new JTable();
table.setModel(tableModel);
table.setDropTarget(new TableDnD(table));
table.setShowGrid(false);
table.setFillsViewportHeight(true);
table.getColumnModel().getColumn(0).setPreferredWidth(250);
passwordStorage = new PasswordStorage();
fileChooser = new JFileChooser();
popup = new JPopupMenu();
JMenuItem removeItem = new JMenuItem("Remove");
removeItem.setIcon(new ImageIcon("removeMenu.png"));
popup.add(removeItem);
// Add Components to pane
add(new JScrollPane(table), BorderLayout.CENTER);
table.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
int row = table.rowAtPoint(e.getPoint());
table.getSelectionModel().setSelectionInterval(row, row);
if(e.getButton() == MouseEvent.BUTTON3) {
popup.show(table, e.getX(), e.getY());
}
}
});
removeItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
int row = table.getSelectedRow();
if(row > -1) {
tableModel.removeRow(table.getSelectedRow());
}
}
});
}
public boolean isTableEmpty() {
if(tableModel.getRowCount() == 0) {
return true;
}
else {
return false;
}
}
public void addFile(File file) {
tableModel.addRow(
new Object[]{file, file.length() + " kb",Not Processed"});
}
public void removeFile() {
int[] rows = table.getSelectedRows();
for(int i = 0; i < rows.length; i++) {
tableModel.removeRow(rows[i]-i);
}
}
public void clearTable()
{
int rowCount = tableModel.getRowCount();
for(int i = 0; i < rowCount; i++) {
tableModel.removeRow(0);
}
table.removeAll();
}
}
进度条表
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.EventQueue;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.swing.JFrame;
import javax.swing.JProgressBar;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingWorker;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellRenderer;
public class UpdateTable
{
public static void main(String[] args)
{
new UpdateTable();
}
public UpdateTable()
{
EventQueue.invokeLater(new Runnable()
{
@Override
public void run()
{
try
{
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException |
InstantiationException | IllegalAccessException |
UnsupportedLookAndFeelException ex) {
}
UpdatableTableModel model = new UpdatableTableModel();
JTable table = new JTable();
table.setModel(model);
table.getColumn("Status").setCellRenderer(new ProgressCellRender());
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new JScrollPane(table));
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
FileFinderWorker worker = new FileFinderWorker(model);
worker.execute();
}
});
}
public class ProgressCellRender extends JProgressBar implements TableCellRenderer
{
@Override
public Component getTableCellRendererComponent(JTable
table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
{
int progress = 0;
if (value instanceof Float)
{
progress = Math.round(((Float) value) * 100f);
} else if (value instanceof Integer)
{
progress = (int) value;
}
setValue(progress);
return this;
}
}
public class RowData
{
private File file;
private String type;
private long length;
private float status;
public RowData(File file, String type)
{
this.file = file;
this.type = type;
this.length = file.length();
this.status = 0f;
}
public File getFile()
{
return file;
}
public long getLength()
{
return length;
}
public float getStatus()
{
return status;
}
public String getType()
{
return type;
}
public void setStatus(float status)
{
this.status = status;
}
}
public class UpdatableTableModel extends AbstractTableModel
{
private List<RowData> rows;
private Map<File, RowData> mapLookup;
public UpdatableTableModel()
{
rows = new ArrayList<>(25);
mapLookup = new HashMap<>(25);
}
@Override
public int getRowCount()
{
return rows.size();
}
@Override
public int getColumnCount()
{
return 4;
}
@Override
public String getColumnName(int column)
{
String name = "??";
switch (column) {
case 0:
name = "File";
break;
case 1:
name = "File Type";
break;
case 2:
name = "Size";
break;
case 3:
name = "Status";
break;
}
return name;
}
@Override
public Object getValueAt(int rowIndex, int columnIndex)
{
RowData rowData = rows.get(rowIndex);
Object value = null;
switch (columnIndex)
{
case 0:
value = rowData.getFile();
break;
case 1:
value = rowData.getType();
break;
case 2:
value = rowData.getLength();
break;
case 3:
value = rowData.getStatus();
break;
}
return value;
}
@Override//new value //row to change //column to change
public void setValueAt(Object aValue, int rowIndex, int columnIndex)
{
RowData rowData = rows.get(rowIndex);
switch (columnIndex)
{
case 3:
if (aValue instanceof Float)
{
rowData.setStatus((float) aValue);
}
break;
}
}
public void addFile(File file)
{
RowData rowData = new RowData(file, "A File");
mapLookup.put(file, rowData);
rows.add(rowData);
fireTableRowsInserted(rows.size() - 1, rows.size() - 1);
}
protected void updateStatus(File file, int progress)
{
RowData rowData = mapLookup.get(file);
if (rowData != null) {
int row = rows.indexOf(rowData);
float p = (float) progress / 100f;
setValueAt(p, row, 3);
fireTableCellUpdated(row, 3);
}
}
}
public class FileFinderWorker extends SwingWorker<List<File>, File>
{
private UpdatableTableModel model;
public FileFinderWorker(UpdatableTableModel model)
{
this.model = model;
}
@Override
protected void process(List<File> chunks) //data chunks
{
for (File file : chunks)
{
model.addFile(file);
}
}
@Override
protected List<File> doInBackground() throws Exception
{
String usrHome = "user.home"; // takes the entire home dir
// user.dir will use working directory
// (wherever you save your Java shit)
File files[] = new
File(System.getProperty(usrHome)).listFiles();//grabbing all files from directory.
List<File> lstFiles = new ArrayList<>(Arrays.asList(files));
for (File file : lstFiles)
{
publish(file);
}
return lstFiles;
}
@Override
protected void done()
{
try {
List<File> files = get();
for (File file : files)
{
new FileReaderWorker(model, file).execute();
}
} catch (Exception exp) {
exp.printStackTrace();
}
}
}
public class FileReaderWorker extends SwingWorker<File, File>
{
private File currentFile;
private UpdatableTableModel model;
public FileReaderWorker(UpdatableTableModel model, File file)
{
this.currentFile = file;
this.model = model;
addPropertyChangeListener(new PropertyChangeListener()
{
@Override
public void propertyChange(PropertyChangeEvent evt)
{
if (evt.getPropertyName().equals("progress"))
{
FileReaderWorker.this.model.updateStatus(currentFile, (int) evt.getNewValue());
}
}
});
}
@Override
protected File doInBackground() throws Exception
{
if (currentFile.isFile())
{
setProgress(0);
long fileLength = currentFile.length();
BufferedReader reader = null;
char[] cbuf = new char[1024];//change this if everything loads too fast
try {
reader = new BufferedReader(new FileReader(currentFile));
int bytesRead = -1;
int totalBytesRead = 0;
while ((bytesRead = reader.read(cbuf)) != -1) {
totalBytesRead += bytesRead;
int progress = (int) Math.round(((double) totalBytesRead / (double) fileLength) *
100d);
setProgress(progress);
Thread.sleep(25);
}
setProgress(100);
} catch (Exception e) {
e.printStackTrace();
setProgress(100);
} finally {
try {
reader.close();
} catch (Exception e) {
}
}
} else {
setProgress(100);
}
return currentFile;
}
}
}
进度条需要进入应用程序