FontSelectorPanelUI.java 文件源码

/**
 * Initializes the list box that allows to select styles
 * @param listBox the list box to initialize
 * @param dataToName the mapping from the style ID to the human readable name of the style
 * @param dataToStyleName the mapping from the style ID to the CSS style name
 * @param defaultValue the default style ID that should be set as selected
 */
public void initializeListBox( final ListBox listBox, final Map<Integer, String> dataToName,
                               final Map<Integer, String> dataToStyleName, final int defaultValue) {
    //Initialize the list box with data
    Iterator< Entry<Integer,String> > entrySetIter = dataToName.entrySet().iterator();
    while( entrySetIter.hasNext() ) {
        Entry<Integer, String> entry = entrySetIter.next();
        listBox.addItem( entry.getValue(), dataToStyleName.get( entry.getKey() ) );
    }
    listBox.setVisibleItemCount( 1 );

    //Set the default value as being selected
    setListBoxStyleID( listBox, defaultValue, dataToStyleName );

    //Add the change listener
    listBox.addChangeHandler(new ChangeHandler() {
        public void onChange(ChangeEvent e) {
            //Update the sample view
            updateSampleViewStyles();
        }
    });
}