diff -r 000000000000 -r fb279309251b uidesigner/com.nokia.sdt.series60.componentlibrary/components/app/CAknAppUi_queryContainment.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uidesigner/com.nokia.sdt.series60.componentlibrary/components/app/CAknAppUi_queryContainment.js	Fri Apr 03 23:33:03 2009 +0100
@@ -0,0 +1,79 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+include("../containers/containerLibrary.js")
+
+function CAknAppUiQueryContainment() {
+}
+
+// can contain single instance of navi content, control or status panes
+function canContainComponent(component, children) {
+	var hasInstance = false;
+	var isAllowedType = false;
+	
+	if (isControlPane(component)) {
+		isAllowedType = true;
+		if (getControlPane(children) != null)
+			hasInstance = true;
+	}
+	
+	if (isStatusPaneId(component.id)) {
+		isAllowedType = true;
+		if (getStatusPane(children) != null)
+			hasInstance = true;
+	}
+	
+	if (isDesignRef(component))
+		isAllowedType = true;
+	
+	if (hasInstance)
+		return buildSimpleContainmentErrorStatus(
+			lookupString("singleInstanceContainmentError"), 
+			new Array( component.friendlyName ));			
+
+	if (!isAllowedType)
+		return buildSimpleContainmentErrorStatus(
+			lookupString("generalContainmentError"), 
+			new Array( component.friendlyName ));
+
+	return null;
+}
+
+CAknAppUiQueryContainment.prototype.canContainComponent = function(instance, otherComponent) {
+	return canContainComponent(otherComponent, instance.children);
+}
+
+CAknAppUiQueryContainment.prototype.canContainChild = function(instance, child) {
+	return canContainComponent(child.component, instance.children);
+}
+
+CAknAppUiQueryContainment.prototype.canRemoveChild = function(instance, child) {
+	// Attribute of is-not-user-removable on design refs will ensure that 
+	// all deletion commands not enabled on them, 
+	// however we must allow their programmatic deletion.
+	if (isDesignRef(child.component))
+		return true;
+		
+	return false;
+}
+
+CAknAppUiQueryContainment.prototype.isValidComponentInPalette = function(instance, otherComponent) {
+	return isControlPane(otherComponent) || isStatusPaneId(otherComponent.id);
+}
+
+