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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, isReadOnly, onBrowserEvent, removeChangeListener, removeClickListener, removeKeyboardListener, selectAll, setCursorPos, setKey, setName, setReadOnly, setSelectionRange, setText, setTextAlignment |
Methods inherited from class com.google.gwt.user.client.ui.FocusWidget |
addFocusListener, getFocusImpl, getTabIndex, isEnabled, removeFocusListener, setAccessKey, setElement, setEnabled, setFocus, setTabIndex |
Methods inherited from class com.google.gwt.user.client.ui.Widget |
getParent, isAttached, onAttach, onDetach, onLoad, onUnload, removeFromParent |
Methods inherited from class com.google.gwt.user.client.ui.UIObject |
addStyleName, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getTitle, isVisible, isVisible, removeStyleName, resetStyleName, 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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