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java.lang.Objectcom.google.gwt.user.client.ui.UIObject
com.google.gwt.user.client.ui.Widget
com.google.gwt.user.client.ui.FocusWidget
com.google.gwt.user.client.ui.TextBoxBase
com.google.gwt.user.client.ui.PasswordTextBox
A text box that visually masks its input to prevent eavesdropping.
public class TextBoxExample implements EntryPoint {
public void onModuleLoad() {
// Make some text boxes. The password text box is identical to the text
// box, except that the input is visually masked by the browser.
PasswordTextBox ptb = new PasswordTextBox();
TextBox tb = new TextBox();
// Let's disallow non-numeric entry in the normal text box.
tb.addKeyboardListener(new KeyboardListenerAdapter() {
public void onKeyPress(Widget sender, char keyCode, int modifiers) {
if (!Character.isDigit(keyCode)) {
// TextBox.cancelKey() suppresses the current keyboard event.
((TextBox)sender).cancelKey();
}
}
});
// Let's make an 80x50 text area to go along with the other two.
TextArea ta = new TextArea();
ta.setCharacterWidth(80);
ta.setVisibleLines(50);
// Add them to the root panel.
VerticalPanel panel = new VerticalPanel();
panel.add(tb);
panel.add(ptb);
panel.add(ta);
RootPanel.get().add(panel);
}
}
| Nested Class Summary |
| Nested classes inherited from class com.google.gwt.user.client.ui.TextBoxBase |
TextBoxBase.TextAlignConstant |
| Field Summary |
| Fields inherited from class com.google.gwt.user.client.ui.TextBoxBase |
ALIGN_CENTER, ALIGN_JUSTIFY, ALIGN_LEFT, ALIGN_RIGHT |
| Constructor Summary | |
PasswordTextBox()
Creates an empty password text box. |
|
| Methods inherited from class com.google.gwt.user.client.ui.TextBoxBase |
addChangeListener, addClickListener, addKeyboardListener, cancelKey, getCursorPos, getImpl, getName, getSelectedText, getSelectionLength, getText, onBrowserEvent, removeChangeListener, removeClickListener, removeKeyboardListener, selectAll, setCursorPos, setKey, setName, setSelectionRange, setText, setTextAlignment |
| Methods inherited from class com.google.gwt.user.client.ui.FocusWidget |
addFocusListener, getTabIndex, isEnabled, removeFocusListener, setAccessKey, setEnabled, setFocus, setTabIndex |
| Methods inherited from class com.google.gwt.user.client.ui.Widget |
getParent, isAttached, onAttach, onDetach, onLoad, removeFromParent |
| Methods inherited from class com.google.gwt.user.client.ui.UIObject |
addStyleName, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleName, getTitle, isVisible, isVisible, removeStyleName, setElement, setHeight, setPixelSize, setSize, setStyleName, setStyleName, setTitle, setVisible, setVisible, setWidth, sinkEvents, toString, unsinkEvents |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
public PasswordTextBox()
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