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
Control[] children = pageContainer.getChildren();
		Control currentControl = currentPage.getControl();
		for (int i = 0; i < children.length; i++) {
			if (children[i] != currentControl)
				children[i].setVisible(false);
		}
		
		currentPage.setVisible(true);
		if (oldPage != null)
			oldPage.setVisible(false);
		
		update();
		return true;
	}
	/**
	 * Create the page for the node.
	 * @param node
	 * 
	 * @since 3.1
	 */
	protected void createPage(IPreferenceNode node) {
		node.createPage();
	}
	/**
	 * Get the page for the node.
	 * @param node
	 * @return IPreferencePage
	 * 
	 * @since 3.1