Example usage for com.google.gwt.gen2.selection.client DropDownListBox getValue

Introduction

In this page you can find the example usage for com.google.gwt.gen2.selection.client DropDownListBox getValue.

Prototype

public V getValue() 

Source Link

Document

Gets the selected value.

Usage

From source file:com.google.gwt.gen2.demo.logging.client.LoggingDemo.java

License:Apache License

private void addLevelControls(final FlexTable control) {
    final TextBox box = new TextBox();
    box.setText("message 0");
    VerticalPanel loggingMessage = new VerticalPanel();
    loggingMessage.add(new Label("Message to log"));
    loggingMessage.add(box);//w  ww  .ja va  2s  .c  o m
    control.setWidget(0, 1, loggingMessage);
    Iterator<Level> levels = Log.levelIterator();
    final DropDownListBox<Level> levelList = new DropDownListBox<Level>();

    while (levels.hasNext()) {
        final Level level = levels.next();
        if (level != Level.ALL || level != Level.OFF) {
            levelList.addItem(level.getName(), level, "logging level " + level.getName().toLowerCase(),
                    "use <b> " + level.getName().toLowerCase() + "</b> level");
        }
    }
    control.setWidget(0, 2, levelList);
    levelList.setValue(Level.INFO);

    Button log = new Button("Log message", new ClickListener() {
        public void onClick(Widget sender) {

            Log.log(box.getText(), levelList.getValue(), "user", null);
            box.setText("message " + messageNumber++);
        }
    });

    control.setWidget(0, 3, log);

    Button error = new Button("Log error", new ClickListener() {
        public void onClick(Widget sender) {

            Log.log(box.getText(), levelList.getValue(), "user.error", new NullPointerException());
            box.setText("message " + messageNumber++);
        }
    });

    control.setWidget(0, 4, error);
}

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