Bug 40788 [plan item] Configurable Next/Previous actions
Toolbar drop down, or editor specific control. Needs to be coordinated with Platform UI.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
rgb= PreferenceConverter.getColor(store, PreferenceConstants.QUICK_DIFF_CHANGED_COLOR);
				}
			}
			changeColumn.setChangedColor(manager.getColor(rgb));
				
			rgb= null;
			
			if (!store.getBoolean(PreferenceConstants.QUICK_DIFF_ADDED_COLOR)) {
				if (store.contains(PreferenceConstants.QUICK_DIFF_ADDED_COLOR)) {
					if (store.isDefault(PreferenceConstants.QUICK_DIFF_ADDED_COLOR))
						rgb= PreferenceConverter.getDefaultColor(store, PreferenceConstants.QUICK_DIFF_ADDED_COLOR);
					else
						rgb= PreferenceConverter.getColor(store, PreferenceConstants.QUICK_DIFF_ADDED_COLOR);
				}
			}
			changeColumn.setAddedColor(manager.getColor(rgb));
				
			rgb= null;
			
			if (!store.getBoolean(PreferenceConstants.QUICK_DIFF_DELETED_COLOR)) {
				if (store.contains(PreferenceConstants.QUICK_DIFF_DELETED_COLOR)) {
					if (store.isDefault(PreferenceConstants.QUICK_DIFF_DELETED_COLOR))
						rgb= PreferenceConverter.getDefaultColor(store, PreferenceConstants.QUICK_DIFF_DELETED_COLOR);
					else
						rgb= PreferenceConverter.getColor(store, PreferenceConstants.QUICK_DIFF_DELETED_COLOR);
				}
			}
			changeColumn.setDeletedColor(manager.getColor(rgb));
		}