package com.googlecode.richrest.client.view.swing;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DecimalFormat;
import java.util.Collection;
import javax.swing.DefaultListCellRenderer;
import javax.swing.DefaultListModel;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JToolBar;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import com.googlecode.richrest.client.Client;
import com.googlecode.richrest.client.Transfer;
import com.googlecode.richrest.client.event.TransferAdapter;
import com.googlecode.richrest.client.event.TransferEvent;
import com.googlecode.richrest.client.event.TransferListener;
import com.googlecode.richrest.util.ThreadUtils;
/**
* Action队列信息管理窗口，包装Action队列信息管理面板
* @see com.googlecode.richrest.client.view.swing.TransferPane
* @see com.googlecode.richrest.client.view.swing.NetworkStatus
* @author <a href="mailto:liangfei0201@gmail.com">liangfei</a>
*/
public class TransferPane extends JPanel {
private static final long serialVersionUID = 1L;
private Icon enableIcon = Images.getIcon("enable.gif");
private Icon disableIcon = Images.getIcon("disable.gif");
private final DefaultListModel transportationModel;
private final JList transportationList;
public JList getTransferList() {
return transportationList;
}
private final JToolBar toolBar = new JToolBar();
public JToolBar getToolBar() {
return toolBar;
}
private final JToolBar statusBar = new JToolBar();
public JToolBar getStatusBar() {
return statusBar;
}
private final Client client;
public TransferPane(final Client client) {
if (client == null)
throw new NullPointerException("Client == null!");
this.client = client;
this.setLayout(new BorderLayout());
toolBar.setFloatable(false);
this.add(BorderLayout.NORTH, toolBar);
statusBar.setFloatable(false);
statusBar.setLayout(new BorderLayout());
this.add(BorderLayout.SOUTH, statusBar);
JPanel descPane = new JPanel();
descPane.add(new JLabel("传输状态", enableIcon, JLabel.LEFT));
descPane.add(new JLabel("挂起状态", disableIcon, JLabel.LEFT));
statusBar.add(BorderLayout.EAST, descPane);
final JLabel timeLabel = new JLabel();
timeLabel.setIcon(Images.getIcon("time.gif"));
statusBar.add(BorderLayout.WEST, timeLabel);
transportationModel = new DefaultListModel();
transportationList = new JList(transportationModel);
transportationList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
transportationList.setCellRenderer(new TransferListCellRenderer());
final JScrollPane actionListPane = new JScrollPane();
actionListPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
actionListPane.getViewport().setView(transportationList);
this.add(BorderLayout.CENTER, actionListPane);
final JButton abortButton = new JButton("中止", Images.getIcon("abort.gif"));
abortButton.setToolTipText("中止传输项");
abortButton.setEnabled(false);
toolBar.add(abortButton);
abortButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (getTransferModelSize() == 0) {
JOptionPane.showMessageDialog(TransferPane.this, "没有任何传输项!", "中止", JOptionPane.WARNING_MESSAGE);
return;
}
final Transfer execution = (Transfer)transportationList.getSelectedValue();
if (execution == null) {
JOptionPane.showMessageDialog(TransferPane.this, "请选择传输项!", "中止", JOptionPane.WARNING_MESSAGE);
return;
}
if (! execution.isAbortable()) {
JOptionPane.showMessageDialog(TransferPane.this, "此传输项不允许中止!", "中止", JOptionPane.WARNING_MESSAGE);
return;
}
ThreadUtils.execute(new Runnable(){
public void run() {
try {
execution.abort();
JOptionPane.showMessageDialog(TransferPane.this, "中止传输项完成!", "中止", JOptionPane.INFORMATION_MESSAGE);
} catch (Throwable t) {
JOptionPane.showMessageDialog(TransferPane.this, "中止传输项失败! 原因: " + t.getMessage(), "中止", JOptionPane.WARNING_MESSAGE);
}
}
});
}
});
transportationList.getSelectionModel().addListSelectionListener(new ListSelectionListener(){
public void valueChanged(ListSelectionEvent e) {
final Transfer execution = (Transfer)transportationList.getSelectedValue();
if (execution != null) {
timeLabel.setText(new DecimalFormat("###,##0").format(System.currentTimeMillis() - execution.getTransferringTime().getTime()) + " ms");
} else {
timeLabel.setText("");
}
abortButton.setEnabled(execution != null && execution.isAbortable());
}
});
final JButton resetButton = new JButton("刷新", Images.getIcon("refresh.gif"));
resetButton.setToolTipText("刷新传输列表");
toolBar.add(resetButton);
resetButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
refreshTransferList();
JOptionPane.showMessageDialog(TransferPane.this, "刷新传输列表成功!", "刷新", JOptionPane.INFORMATION_MESSAGE);
} catch (Throwable t) {
JOptionPane.showMessageDialog(TransferPane.this, "刷新传输列表失败! 原因: " + t.getMessage(), "刷新", JOptionPane.WARNING_MESSAGE);
}
}
});
transportationListener = new TransferDelegate(new TransferAdapter() {
@Override
public void onTransfer(TransferEvent event) {
Transfer execution = event.getTransfer();
if (! execution.isTransferred()) {
synchronized (transportationModel) {
if (! transportationModel.contains(execution))
transportationModel.addElement(execution);
}
}
}
@Override
public void onTransferred(TransferEvent event) {
Transfer execution = event.getTransfer();
synchronized (transportationModel) {
transportationModel.removeElement(execution);
}
}
@Override
public void onTransferring(final TransferEvent event) {
synchronized (transportationModel) {
transportationList.repaint();
}
}
});
client.addListener(transportationListener);
}
private void refreshTransferList() {
Collection<Transfer> executions = client.getTransferrer().getTransfers();
synchronized (transportationModel) {
transportationModel.clear();
for (Transfer execution : executions) {
if (! execution.isTransferred()) {
transportationModel.addElement(execution);
}
}
}
}
private final TransferListener transportationListener;
public void dispose() {
client.removeListener(transportationListener);
}
private int getTransferModelSize() {
synchronized (transportationModel) {
return transportationModel.getSize();
}
}
private class TransferListCellRenderer extends DefaultListCellRenderer {
private static final long serialVersionUID = 1L;
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected, boolean cellHasFocus) {
super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
Transfer execution = (Transfer)value;
if (execution.isTransferring())
this.setIcon(enableIcon);
else
this.setIcon(disableIcon);
this.setText("" + (index + 1) + ". " + execution.toString());
return this;
}
}
}