Bug 86326 Java editor should override getOrientation()
M5 Java editors are unreadable in RTL so we should make them always LTR.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
}
				}
				return;
			}
			
			if (DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE.equals(property)) {
				sourceViewer.getTextWidget().setTabs(getSourceViewerConfiguration().getTabWidth(sourceViewer));
				return;
			}
			
			if (PreferenceConstants.EDITOR_FOLDING_ENABLED.equals(property)) {
				if (sourceViewer instanceof ProjectionViewer) {
					new ToggleFoldingRunner().runWhenNextVisible();
				}
				return;
			}
			
		} finally {
			super.handlePreferenceStoreChanged(event);
		}
	}
	
	/**
	 * Initializes the given viewer's colors.
	 * 
	 * @param viewer the viewer to be initialized
	 * @since 3.0
	 */
	protected void initializeViewerColors(ISourceViewer viewer) {