1
我在一个swing应用程序中有一个JTable。我写了一个快速而脏的un-dock操作，其中JTable从其默认父项中移除，并被添加到单独的JFrame中。当JTable脱离并放置在一个单独的JPane上时，它在JTable中移动时真的很慢......只要我将它重新放回原始位置，它就会再次正常运行......下面是代码对开.. 任何想法？ 谢谢JTable很慢
JTable中UNDOCKER
public class MatrixWindowUndocker implements ActionListener{
private static final Logger logger = Logger.getLogger(
MatrixWindowUndocker.class.getName());
MatrixVerifier mv;
public MatrixWindowUndocker(MatrixVerifier mv)
{
this.mv = mv;
}
public void actionPerformed(ActionEvent e)
{
undockMatrixPanel(mv);
}
private static void undockMatrixPanel(MatrixVerifier mv)
{
JFrame undockedFrame = mv.undockedWindowFrame;
undockedFrame.setDefaultCloseOperation(
WindowConstants.DO_NOTHING_ON_CLOSE);
locateFrame(undockedFrame);
mv.mainMatrixTablePanel.remove(mv.mainMatrixTableScrollPane);
undockedFrame.setLayout(new BorderLayout());
undockedFrame.add(mv.mainMatrixTableScrollPane);
mv.pdfAndMetadata_JPanel.remove(mv.table_pdf_splitter);
mv.pdfAndMetadata_JPanel.add(mv.pdfDrawCanvasPanel);
mv.pack();
mv.setExtendedState(JFrame.MAXIMIZED_BOTH);
undockedFrame.pack();
undockedFrame.setExtendedState(JFrame.MAXIMIZED_BOTH);
mv.undockedFrame = undockedFrame;
undockedFrame.setVisible(true);
}
private static void locateFrame(JFrame frame)
{
GraphicsConfiguration gc = null;
GraphicsDevice[] gds = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
logger.debug("gds.length: " + gds.length);
if (gds != null && gds.length > 1)
{
gc = gds[1].getDefaultConfiguration();
}
else
{
gc = gds[0].getDefaultConfiguration();
}
frame.setLocation(10 + gc.getBounds().x, 10 + gc.getBounds().y);
}
}
JTable中泊坞窗
public class MatrixWindowDocker implements ActionListener {
MatrixVerifier mv;
public void setMv(MatrixVerifier mv)
{
this.mv = mv;
}
public MatrixWindowDocker(MatrixVerifier mv)
{
this.mv = mv;
}
/**
* Main action method.
* @param e
*/
public void actionPerformed(ActionEvent e)
{
dockMatrixPanel(mv);
}
private static void dockMatrixPanel(MatrixVerifier mv)
{
if (mv.undockedFrame != null)
{
mv.undockedFrame.dispose();
mv.pdfAndMetadata_JPanel.setAlignmentX(0.8F);
mv.pdfAndMetadata_JPanel.setMinimumSize(new java.awt.Dimension(550,
0));
mv.pdfAndMetadata_JPanel.setPreferredSize(new java.awt.Dimension(800,
0));
mv.pdfAndMetadata_JPanel.setLayout(new java.awt.BorderLayout());
mv.table_pdf_splitter.setDividerLocation(.60);
mv.table_pdf_splitter.setDividerSize(2);
mv.table_pdf_splitter.setResizeWeight(0.3);
mv.table_pdf_splitter.setDividerLocation(0.50);
mv.pdfAndMetadata_JPanel.add(mv.table_pdf_splitter,
java.awt.BorderLayout.CENTER);
mv.table_pdf_splitter.setLeftComponent(mv.pdfDrawCanvasPanel);
mv.mainMatrixTablePanel.setLayout(new java.awt.BorderLayout());
mv.mainMatrixTableScrollPane.setViewportView(mv.metadataTable_JTable);
mv.mainMatrixTablePanel.add(mv.mainMatrixTableScrollPane,
java.awt.BorderLayout.CENTER);
mv.table_pdf_splitter.setRightComponent(mv.mainMatrixTablePanel);
}
}
}