Bug 34156 new class wizard defaults to wrong project
20030307 1. new workspace 2. import org.apache.ant project as binary. 3. switch to java perspective. 4. use new project button to create project zzz 5. use new class button. Notice that the source holder is org.apache.ant. The gray-lighted element in the package explorer is zzz
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewContainerWizardPage.java
* Every sub type is responsible to call this method when a field on its page has changed.
	 * Subtypes override (extend) the method to add verification when a own field has a
	 * dependency to an other field. For example the class name input must be verified
	 * again when the package field changes (check for duplicated class names).
	 * 
	 * @param fieldName The name of the field that has changed (field id). For the
	 * source folder the field id is <code>CONTAINER</code>
	 */
	protected void handleFieldChanged(String fieldName) {
	}	
	
	
	
	
	/**
	 * Returns the workspace root.
	 * 
	 * @return the workspace root
	 */ 
	protected IWorkspaceRoot getWorkspaceRoot() {
		return fWorkspaceRoot;
	}	
	
	/**
	 * Returns the <code>IPackageFragmentRoot</code> that corresponds to the current
	 * value of the source folder field.
	 * 
	 * @return the IPackageFragmentRoot or <code>null</code> if the current source
	 * folder value is not a valid package fragment root
	 *