public static void sortTable(Table table, Comparator<TableItem> comparator) {
int columnCount = table.getColumnCount();
String[] values = new String[columnCount];
TableItem[] items = table.getItems();
for (int i = 1; i < items.length; i++) {
for (int j = 0; j < i; j++) {
TableItem item = items[i];
if (comparator.compare(item, items[j]) < 0) {
for (int k = 0; k < columnCount; k++) {
values[k] = item.getText(k);
}
Object data = item.getData();
boolean checked = item.getChecked();
item.dispose();
item = new TableItem(table, SWT.NONE, j);
item.setText(values);
item.setData(data);
item.setChecked(checked);
items = table.getItems();
break;
}
}
}
}
private void newEntry() {
DataEntryDialog dialog = new DataEntryDialog(shell);
dialog.setLabels(columnNames);
String[] data = dialog.open();
if (data != null) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText(data);
isModified = true;
}
}
private void editEntry(TableItem item) {
DataEntryDialog dialog = new DataEntryDialog(shell);
dialog.setLabels(columnNames);
String[] values = new String[table.getColumnCount()];
for (int i = 0; i < values.length; i++) {
values[i] = item.getText(i);
}
dialog.setValues(values);
values = dialog.open();
if (values != null) {
item.setText(values);
isModified = true;
}
}
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
Rectangle clientArea = shell.getClientArea();
table.setBounds(clientArea.x, clientArea.y, 200, 200);
for (int i = 0; i < 128; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText("Item " + i);
}
Menu menu = new Menu(shell, SWT.POP_UP);
table.setMenu(menu);
MenuItem item = new MenuItem(menu, SWT.PUSH);
item.setText("Delete Selection");
item.addListener(SWT.Selection, event -> table.remove(table.getSelectionIndices()));
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
private void openAddressBook() {
FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
fileDialog.setFilterExtensions(new String[] {"*.adr;", "*.*"});
fileDialog.setFilterNames(
new String[] {
resAddressBook.getString("Book_filter_name") + " (*.adr)",
resAddressBook.getString("All_filter_name") + " (*.*)"
});
String name = fileDialog.open();
if (name == null) return;
File file = new File(name);
if (!file.exists()) {
displayError(
resAddressBook.getString("File")
+ file.getName()
+ " "
+ resAddressBook.getString("Does_not_exist"));
return;
}
Cursor waitCursor = shell.getDisplay().getSystemCursor(SWT.CURSOR_WAIT);
shell.setCursor(waitCursor);
FileReader fileReader = null;
BufferedReader bufferedReader = null;
String[] data = new String[0];
try {
fileReader = new FileReader(file.getAbsolutePath());
bufferedReader = new BufferedReader(fileReader);
String nextLine = bufferedReader.readLine();
while (nextLine != null) {
String[] newData = new String[data.length + 1];
System.arraycopy(data, 0, newData, 0, data.length);
newData[data.length] = nextLine;
data = newData;
nextLine = bufferedReader.readLine();
}
} catch (FileNotFoundException e) {
displayError(resAddressBook.getString("File_not_found") + "\n" + file.getName());
return;
} catch (IOException e) {
displayError(resAddressBook.getString("IO_error_read") + "\n" + file.getName());
return;
} finally {
shell.setCursor(null);
if (fileReader != null) {
try {
fileReader.close();
} catch (IOException e) {
displayError(resAddressBook.getString("IO_error_close") + "\n" + file.getName());
return;
}
}
}
String[][] tableInfo = new String[data.length][table.getColumnCount()];
int writeIndex = 0;
for (int i = 0; i < data.length; i++) {
String[] line = decodeLine(data[i]);
if (line != null) tableInfo[writeIndex++] = line;
}
if (writeIndex != data.length) {
String[][] result = new String[writeIndex][table.getColumnCount()];
System.arraycopy(tableInfo, 0, result, 0, writeIndex);
tableInfo = result;
}
Arrays.sort(tableInfo, new RowComparator(0));
for (int i = 0; i < tableInfo.length; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText(tableInfo[i]);
}
shell.setText(resAddressBook.getString("Title_bar") + fileDialog.getFileName());
isModified = false;
this.file = file;
}
private void openAddressBook(String name) {
if (name == null) return;
File file = new File(name);
if (!file.exists()) {
displayError(
resMessages.getString("File")
+ file.getName()
+ " "
+ resMessages.getString("Does_not_exist"));
return;
}
Cursor waitCursor = new Cursor(shell.getDisplay(), SWT.CURSOR_WAIT);
shell.setCursor(waitCursor);
FileReader fileReader = null;
BufferedReader bufferedReader = null;
String[] data = new String[0];
try {
fileReader = new FileReader(file.getAbsolutePath());
bufferedReader = new BufferedReader(fileReader);
String nextLine = bufferedReader.readLine();
while (nextLine != null) {
String[] newData = new String[data.length + 1];
System.arraycopy(data, 0, newData, 0, data.length);
newData[data.length] = nextLine;
data = newData;
nextLine = bufferedReader.readLine();
}
} catch (FileNotFoundException e) {
displayError(resMessages.getString("File_not_found") + "\n" + file.getName());
return;
} catch (IOException e) {
displayError(resMessages.getString("IO_error_read") + "\n" + file.getName());
return;
} finally {
shell.setCursor(null);
waitCursor.dispose();
if (fileReader != null) {
try {
fileReader.close();
} catch (IOException e) {
displayError(resMessages.getString("IO_error_close") + "\n" + file.getName());
return;
}
}
}
String[][] tableInfo = new String[data.length][table.getColumnCount()];
for (int i = 0; i < data.length; i++) {
tableInfo[i] = decodeLine(data[i]);
}
Arrays.sort(tableInfo, new RowComparator(0));
for (int i = 0; i < tableInfo.length; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText(tableInfo[i]);
}
shell.setText(resMessages.getString("Title_bar") + file.getName());
isModified = false;
this.file = file;
}