Bug 20700 Code assist activates help UI
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/ClassFileEditor.java
label.setText(text);
				label.setBackground(fBackgroundColor);
				label.setForeground(fForegroundColor);
				label.setFont(JFaceResources.getHeaderFont());
				fHeaderLabels.add(label);
				return label;
			}
		
			private Label createHeadingLabel(Composite parent, String text) {
				Label label = new Label(parent, SWT.NONE);
				if (text != null)
					label.setText(text);
				label.setBackground(fBackgroundColor);
				label.setForeground(fForegroundColor);
				label.setFont(JFaceResources.getBannerFont());
				fBannerLabels.add(label);
				return label;
			}
			
			private Button createButton(Composite parent, String text) {
				Button button = new Button(parent, SWT.FLAT);
				button.setBackground(fBackgroundColor);
				button.setForeground(fForegroundColor);
				if (text != null)
					button.setText(text);
		
				return button;
			}
			
			private void updateCodeView(StyledText styledText, IClassFile classFile) {