/*

* Copyright (c) 2007 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: 

*

*/

function getTextBounds (lines, width, height, flags, font, pixelGapBetweenLines) {

	var newBounds;

	var textHeight = 0;

	var textWidth = 0;

	for (var i = 0; i < lines.length; i++ ) {

		newBounds = font.formattedStringExtent(lines[i], 

						new Point (width, height),

						flags, pixelGapBetweenLines);

		textHeight += newBounds.y;	

		if ( newBounds.x > textWidth) {

			textWidth = newBounds.x;

		}

	}

	return new Point (textWidth, textHeight );

}

function getMaxLinesAllowedByParent(instance) {

	var parent = instance.parent;

	if (parent != null && isCQikContainer(parent)) {

		return getMaxLinesAllowedInCQikContainer (instance);

	} else if (parent != null && isItemSlot(parent)) {

		var grandParent = parent.parent;

		if  (grandParent != null && isSystemBuildingBlock(grandParent)) {

			return getMaxLinesAllowedInSlot(grandParent.properties.type, parent.properties.slotId);

		}

	}

	return 1;

}

function getMaxLinesAllowedInCQikContainer (instance) {

	var maxLinesNumber = 2147483647;

	if (instance != null && isCEikLabel(instance)) {

		return maxLinesNumber;

	} 

	return 1;

}

function isCEikLabel(instance) {

	return (instance.component.id).substring(0, 32) == "com.nokia.carbide.uiq.CEikLabel_";

}

function isCQikContainer(instance) {

	return instance.component.id == "com.nokia.carbide.uiq.CQikContainer";

}

function isItemSlot(instance) {

	return instance.component.id == "com.nokia.carbide.uiq.ItemSlot";

}

function isSystemBuildingBlock(instance) {

	return instance.component.id == "com.nokia.carbide.uiq.SystemBuildingBlock";

}

function getMaxLinesAllowedInSlot(typeOfSBB, slotId) {

	//println("***getMaxLinesAllowedInSlot");

	var maxLinesNumber = 2147483647;

	switch (typeOfSBB) {

		case "EQikCtOnelineBuildingBlock":

		case "EQikCtIconOnelineBuildingBlock":

		case "EQikCtOnelineIconBuildingBlock":

		case "EQikCtIconOnelineIconBuildingBlock":

		case "EQikCtMediumThumbnailDoubleOnelineBuildingBlock":

		case "EQikCtCaptionedOnelineBuildingBlock":

		case "EQikCtIconCaptionedOnelineBuildingBlock":

		case "EQikCtIconIconOnelineBuildingBlock":

		case "EQikCtHalflineHalflineBuildingBlock":

		case "EQikCtCaptionedHalflineBuildingBlock":

			return 1;

		case "EQikCtTwolineBuildingBlock":

		case "EQikCtIconTwolineBuildingBlock":

		case "EQikCtTwolineIconBuildingBlock":

		case "EQikCtIconTwolineIconBuildingBlock":

			return 2;

		case "EQikCtLargeThumbnailThreelineBuildingBlock":

			return 3;

		case "EQikCtManylinesBuildingBlock":

			return maxLinesNumber;

		case "EQikCtCaptionedTwolineBuildingBlock":

		case "EQikCtIconCaptionedTwolineBuildingBlock":

			return evaluateSlot(slotId, 1, 2);

	}

	return 1;

}

function evaluateSlot(slotId, valueForItemSlot1, valueForItemSlot2) {

//	println("***slotId: " + slotId);

	if (slotId  == "EQikItemSlot1") {

//		println("***valueForItemSlot1: " + valueForItemSlot1);

		return valueForItemSlot1;

	} else {

		return valueForItemSlot2;

	}

}