Bug 5811 [preferences] Pref to set editor background color
It would be very useful to add a preference to change the background color of the Java editor, since all of the other elements are editable.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
}
	/*
	 * @see PreferencePage#createControl(Composite)
	 */
	public void createControl(Composite parent) {
		super.createControl(parent);
		WorkbenchHelp.setHelp(getControl(), new DialogPageContextComputer(this, IJavaHelpContextIds.JAVA_EDITOR_PREFERENCE_PAGE));
	}
	private void handleListSelection() {	
		int i= fList.getSelectionIndex();
		String key= fListModel[i][1];
		RGB rgb= PreferenceConverter.getColor(fOverlayStore, key);
		fColorEditor.setColorValue(rgb);
		fBoldCheckBox.setSelection(fOverlayStore.getBoolean(key + "_bold"));
	}
	
	private Control  createColorPage(Composite parent) {
		
		Composite colorComposite= new Composite(parent, SWT.NULL);
		colorComposite.setLayout(new GridLayout());
		Label label= new Label(colorComposite, SWT.LEFT);
		label.setText("C&olors:");
		label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		
		Composite editorComposite= new Composite(colorComposite, SWT.NULL);
		GridLayout layout= new GridLayout();
		layout.numColumns= 2;
		layout.marginHeight= 0;
		layout.marginWidth= 0;
		editorComposite.setLayout(layout);