Bug 65268 [projection] editor is missing collapse all action for code folding
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
Point selection= viewer.getSelectedRange();
					adjustHighlightRange(selection.x, selection.y);
				}
			}
		}
	}
	/**
	 * Initializes the given viewer's colors.
	 *
	 * @param viewer the viewer to be initialized
	 * @since 3.0
	 */
	protected void initializeViewerColors(ISourceViewer viewer) {
		
	}
	private boolean isJavaEditorHoverProperty(String property) {
		return	PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIERS.equals(property);
	}
	/*
	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#updatePropertyDependentActions()
	 */
	protected void updatePropertyDependentActions() {
		super.updatePropertyDependentActions();
		if (fEncodingSupport != null)
			fEncodingSupport.reset();
	}
	/*
	 * Update the hovering behavior depending on the preferences.
	 */
	private void updateHoverBehavior() {