93 lines
2.4 KiB
Java
93 lines
2.4 KiB
Java
package snippets;
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import java.text.DecimalFormat;
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import java.text.NumberFormat;
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import java.text.ParseException;
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import java.util.Currency;
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import java.util.Locale;
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import org.eclipse.swt.*;
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import org.eclipse.swt.events.*;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.*;
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import com.common.debug.Debug;
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public class TextCurrency {
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public static boolean disableFocusSelection = false;
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//public static Currency currency = Currency.getInstance(Locale.US);
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public static NumberFormat defaultFormat = NumberFormat.getCurrencyInstance(Locale.US);
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public static boolean ignoreModifyEvents = false;
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public static Text text = null;
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public static void main(String [] args) {
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Display display = new Display();
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Shell shell = new Shell(display);
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shell.setLayout(new GridLayout(1, false));
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text = new Text(shell, SWT.SINGLE | SWT.BORDER);
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text.setLayoutData(new GridData(150, -1));
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text.setText(defaultFormat.format(123));
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text.addModifyListener(new ModifyListener() {
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public void modifyText(ModifyEvent event) {
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if(!ignoreModifyEvents) {
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int caretPosition = text.getCaretPosition();
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Number newNumber = null;
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try {
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ignoreModifyEvents = true;
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newNumber = defaultFormat.parse(text.getText());
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text.setText(defaultFormat.format(newNumber));
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}//if//
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catch(ParseException e) {
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Debug.log(e);
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//Reset text.
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}//catch//
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finally {
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ignoreModifyEvents = false;
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}//finally//
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text.setSelection(caretPosition);
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}//if//
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}
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});
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text.addFocusListener(new FocusListener() {
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public void focusLost(FocusEvent e) {
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}
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public void focusGained(FocusEvent e) {
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if(!disableFocusSelection) {
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text.getDisplay().asyncExec(new Runnable() {
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public void run() {
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text.selectAll();
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}
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});
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}//if//
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}
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});
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text.getShell().addShellListener(new ShellListener() {
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public void shellIconified(ShellEvent e) {
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}
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public void shellDeiconified(ShellEvent e) {
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}
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public void shellDeactivated(ShellEvent e) {
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disableFocusSelection = true;
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}
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public void shellActivated(ShellEvent e) {
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text.getDisplay().asyncExec(new Runnable() {
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public void run() {
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disableFocusSelection = false;
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}
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});
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}
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public void shellClosed(ShellEvent e) {
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}
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});
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shell.open();
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while (!shell.isDisposed()) {
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if (!display.readAndDispatch()) display.sleep();
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}
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display.dispose();
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}
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} |