Bug 8581 Switch J Search to StructuredContentProvider
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/search/JavaSearchPage.java
WorkbenchHelp.setHelp(result, new Object[] { IJavaHelpContextIds.JAVA_SEARCH_PAGE });	
	}
	private Control createExpression(Composite parent) {
		Group result= new Group(parent, SWT.NONE);
		result.setText(SearchMessages.getString("SearchPage.expression.label")); 
		GridLayout layout= new GridLayout();
		layout.numColumns= 2;
		result.setLayout(layout);
		
		
		fPattern= new Combo(result, SWT.SINGLE | SWT.BORDER);
		fPattern.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				handlePatternSelected();
			}
		});
		fPattern.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				getContainer().setPerformActionEnabled(getPattern().length() > 0 && getContainer().hasValidScope());
				updateCaseSensitiveCheckbox();
			}
		});
		GridData gd= new GridData(GridData.FILL_HORIZONTAL);
		gd.widthHint= convertWidthInCharsToPixels(30);
		gd.horizontalSpan= 2;
		fPattern.setLayoutData(gd);
		
		
		Label label= new Label(result, SWT.LEFT);
		label.setText(SearchMessages.getString("SearchPage.expression.pattern"));