Bug 77537 [preferences] Preview window in Preferences->Java->Properties File Editor displays incorrect background color
The properties file editor seems to inherit its background color from the setting in Preferences->Java->Editor->Syntax. However, the preview window in Preferences->Java->Properties File Editor always displays a white background.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/PropertiesFileEditorPreferencePage.java
*/
	private static final String ITALIC= PreferenceConstants.EDITOR_ITALIC_SUFFIX;
	
	private final String[][] fSyntaxColorListModel= new String[][] {
		{ PreferencesMessages.getString("PropertiesFileEditorPreferencePage.key"), PreferenceConstants.PROPERTIES_FILE_COLORING_KEY }, 
		{ PreferencesMessages.getString("PropertiesFileEditorPreferencePage.value"), PreferenceConstants.PROPERTIES_FILE_COLORING_VALUE }, 
		{ PreferencesMessages.getString("PropertiesFileEditorPreferencePage.assignment"), PreferenceConstants.PROPERTIES_FILE_COLORING_ASSIGNMENT }, 
		{ PreferencesMessages.getString("PropertiesFileEditorPreferencePage.argument"), PreferenceConstants.PROPERTIES_FILE_COLORING_ARGUMENT }, 
		{ PreferencesMessages.getString("PropertiesFileEditorPreferencePage.comment"), PreferenceConstants.PROPERTIES_FILE_COLORING_COMMENT } 
	};
	
	private OverlayPreferenceStore fOverlayStore;
	
	private Map fColorButtons= new HashMap();
	
	
	private ColorEditor fSyntaxForegroundColorEditor;
	private Button fBoldCheckBox;
	/**
	 * Check box for italic preference.
	 */
	private Button fItalicCheckBox;
	private SourceViewer fPreviewViewer;
	
	/**
	 * Tells whether the fields are initialized.
	 */
	private boolean fFieldsInitialized= false;
	
	/**