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package com.java2s.gwt.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.KeyboardListener;
import com.google.gwt.user.client.ui.KeyboardListenerAdapter;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
public class GWTClient implements EntryPoint{
Button button = new Button("Login");
public void onModuleLoad() {
final Label loginPrompt = new Label("Please Log In");
final Grid grid = new Grid(3, 2);
final Label namePrompt = new Label("Name");
final TextBox nameTextbox = new TextBox();
final Label passwordPrompt = new Label("Password:");
final PasswordTextBox passwordTextbox =
new PasswordTextBox();
RootPanel.get().clear();
loginPrompt.addStyleName("loginPrompt");
nameTextbox.addStyleName("nameField");
passwordTextbox.addStyleName("passwordField");
button.addClickListener(new ClickListener() {
public void onClick(Widget sender) {
Window.alert("Button clicked");
}
});
SubmitListener sl = new SubmitListener();
passwordTextbox.addKeyboardListener(sl);
nameTextbox.addKeyboardListener(sl);
grid.setWidget(0, 0, namePrompt);
grid.setWidget(0, 1, nameTextbox);
grid.setWidget(1, 0, passwordPrompt);
grid.setWidget(1, 1, passwordTextbox);
grid.setWidget(2, 1, button);
RootPanel.get().add(loginPrompt);
RootPanel.get().add(grid);
}
private class SubmitListener extends KeyboardListenerAdapter {
public void onKeyPress(Widget sender, char key, int mods) {
if (KeyboardListener.KEY_ENTER == key)
button.click();
}
}
}
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GWT-TextBoxKeyListener.zip( 3 k)