@Override
public String doInBackground() {
if (StringUtil.isEmpty(leftFile.getName())) {
return "left directoryName is empty";
}
if (!leftFile.exists()) {
return "left directoryName(" + leftFile.getAbsolutePath() + ") doesn't exist";
}
if (!leftFile.isDirectory()) {
return "left directoryName(" + leftFile.getName() + ") is not a directory";
}
if (StringUtil.isEmpty(rightFile.getName())) {
return "right directoryName is empty";
}
if (!rightFile.exists()) {
return "right directoryName(" + rightFile.getAbsolutePath() + ") doesn't exist";
}
if (!rightFile.isDirectory()) {
return "right directoryName(" + rightFile.getName() + ") is not a directory";
}
contentId = "FolderDiffPanel:" + leftFile.getName() + "-" + rightFile.getName();
contentPanel = JMeldPanel.getAlreadyOpen(mainPanel.getTabbedPane(), contentId);
if (contentPanel == null) {
diff = new DirectoryDiff(leftFile, rightFile, filter, DirectoryDiff.Mode.TWO_WAY);
diff.diff();
}
return null;
}
@Override
protected void done() {
try {
String result = get();
if (result != null) {
JOptionPane.showMessageDialog(
mainPanel, result, "Error opening file", JOptionPane.ERROR_MESSAGE);
} else {
JideTabbedPane tabbedPane = mainPanel.getTabbedPane();
if (tabbedPane != null) {
if (contentPanel != null) {
// Already opened!
tabbedPane.setSelectedComponent(contentPanel);
} else {
FolderDiffPanel panel = new FolderDiffPanel(mainPanel, diff);
panel.setId(contentId);
tabbedPane.addTab(panel.getTitle(), ImageUtil.getSmallImageIcon("stock_folder"), panel);
tabbedPane.setSelectedComponent(panel);
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}