/*

* 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")

include("../implLibrary.js")

function CAknViewScript() {

}

// can contain single instance of navi content, control or status panes or top-level content

function canContainComponent(component, children) {

	var hasInstance = false;

	var isAllowedType = false;

	if (isToolbar(component)) {

		isAllowedType = true;

		if (getToolbar(children) != null){

			hasInstance = true;

		}

	}

	if (isControlPane(component)) {

		isAllowedType = true;

		if (getControlPane(children) != null)

			hasInstance = true;

	}

	if (isStatusPaneId(component.id)) {

		isAllowedType = true;

		if (getStatusPane(children) != null)

			hasInstance = true;

	}

	if (hasTopLevelContentContainerAttribute(component.attributes)) {

		isAllowedType = true;

		if (getContents(children) != null)

			hasInstance = true;	

	}

	if (hasInstance)

		return buildSimpleContainmentErrorStatus(

			lookupString("singleInstanceContainmentError"), 

			new Array( component.friendlyName ));

	if (!isAllowedType)

		return buildSimpleContainmentErrorStatus(

			lookupString("generalContainmentError"), 

			new Array( component.friendlyName ));

	return null;

}

CAknViewScript.prototype.canContainComponent = function(instance, otherComponent) {

	return canContainComponent(otherComponent, instance.children);

}

CAknViewScript.prototype.canContainChild = function(instance, child) {

	return canContainComponent(child.component, instance.children);

}

CAknViewScript.prototype.canRemoveChild = function(instance, child) {

	return !hasTopLevelContentContainerAttribute(child.attributes);

}

CAknViewScript.prototype.isValidComponentInPalette = function(instance, otherComponent) {

	return isControlPane(otherComponent) || 

			isStatusPaneId(otherComponent.id) || 

			hasTopLevelContentContainerAttribute(otherComponent.attributes);

}

	// note that laf will be null if a display model was not created

CAknViewScript.prototype.validate = function(instance, laf) {

	// S60 will panic if the CBA is configured for an options menu but

	// the Avkon view resource doesn't specify one.

	// Validate that if the CBA is so configured that the optionsMenu property

	// is not undefined.

	var result = null;

	var hasFormChild = findAknFormChild(instance.children) != null;

	var controlPane = getControlPane(instance.children);

	if (controlPane != null) {

		var needsOptionsMenu = controlPane.properties.info.leftId == "EAknSoftkeyOptions";

		var optionsMenuName = hasFormChild ? null : instance.properties.optionsMenu;

		if (needsOptionsMenu && ((optionsMenuName == null || optionsMenuName == ""))) {

    		result = new java.util.ArrayList;

			result.add(createSimpleModelError(instance, 

				"optionsMenu", 

				lookupString("validateOptionsMenu"), 

				[  ]));

		}

	}

	// Adding a menubar object to a View containing a Form could give the user the mistaken

	// impression that the menubar will be used in some way. 

	// Validate that there is no menubar child when there is a Form child

	if (hasFormChild) {

		if (findImmediateChildByComponentID(instance.children, "com.nokia.sdt.series60.MenuBar")) {

			if (result == null)

				result = new java.util.ArrayList;

			result.add(newModelMessage(IStatus.INFO, 

						formatString(lookupString("validateMenubarWithForm"), [ ]), 

						instance, null, null));

		}

	}

	return result;

 }

	// note that laf will be null if a display model was not created

CAknViewScript.prototype.queryPropertyChange = function(instance, propertyPath,

					newValue, laf) {

	return null;

}