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
fCheckBoxes.put(checkBox, key);
		
		return checkBox;
	}
	
	private void addTextField(Composite parent, String label, String key, int textLimit, int indentation) {
		Label labelControl= new Label(parent, SWT.NONE);
		labelControl.setText(label);
		GridData gd= new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalIndent= indentation;
		labelControl.setLayoutData(gd);
		
		Text textControl= new Text(parent, SWT.BORDER | SWT.SINGLE);		
		gd= new GridData(GridData.FILL_HORIZONTAL);
		gd.widthHint= convertWidthInCharsToPixels(textLimit + 1);
		gd.horizontalAlignment= GridData.END;
		textControl.setLayoutData(gd);
		
		textControl.setTextLimit(textLimit);
		textControl.addModifyListener(fTextFieldListener);
		
		fTextFields.put(textControl, key);
	}
	
	private void addTextFontEditor(Composite parent, String label, String key) {
		
		Composite editorComposite= new Composite(parent, SWT.NULL);
		GridLayout layout= new GridLayout();
		layout.numColumns= 3;
		editorComposite.setLayout(layout);