Bug 85147 [Preferences] filter field: Looses focus on type
20050208 When you type in the filter field, the focus ofter switched to the tree. You have to give the filter field the focus again to continue typing
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
* Create the page control for the supplied page.
	 * 
	 * @param page - the preference page to be shown
	 * @param parent - the composite to parent the page
	 * 
	 * @since 3.1
	 */
	protected void createPageControl(IPreferencePage page, Composite parent) {
		page.createControl(parent);
	}
	
	/**
	 * @see org.eclipse.jface.dialogs.IPageChangeProvider#getSelectedPage()
	 * 
	 * @since 3.1
	 */
	public Object getSelectedPage() {
			return getCurrentPage();
		}
	
	/**
	 * @see org.eclipse.jface.dialogs.IPageChangeProvider#addPageChangedListener(org.eclipse.jface.dialogs.IPageChangedListener)
	 * @since 3.1
	 */
	public void addPageChangedListener(IPageChangedListener listener) {
		pageChangedListeners.add(listener);
	}
	
	/**
	 * @see org.eclipse.jface.dialogs.IPageChangeProvider#removePageChangedListener(org.eclipse.jface.dialogs.IPageChangedListener)