Bug 8107 bracket hightlighting: can't change color
the color changing option in the preference page seems to be always disabled
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
PreferenceConverter.setValue(fOverlayStore, (String) fColorButtons.get(editor), editor.getColorValue());
		}
	};
	
	private Map fCheckBoxes= new HashMap();
	private SelectionListener fCheckBoxListener= new SelectionListener() {
		public void widgetDefaultSelected(SelectionEvent e) {
		}
		public void widgetSelected(SelectionEvent e) {
			Button button= (Button) e.widget;
			fOverlayStore.setValue((String) fCheckBoxes.get(button), button.getSelection());
		}
	};
	
	private Map fTextFields= new HashMap();
	private ModifyListener fTextFieldListener= new ModifyListener() {
		public void modifyText(ModifyEvent e) {
			Text text= (Text) e.widget;
			fOverlayStore.setValue((String) fTextFields.get(text), text.getText());
		}
	};
	
	private WorkbenchChainedTextFontFieldEditor fFontEditor;
	private List fList;
	private ColorEditor fColorEditor;
	private Button fBoldCheckBox;
	private SourceViewer fPreviewViewer;	
	
	public JavaEditorPreferencePage() {
		setDescription(JavaUIMessages.getString("JavaEditorPreferencePage.description"));