/*

* 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: 

*

*/

function isSettingItemList(instance) {

	return instance.isInstanceOf("com.nokia.sdt.series60.CAknSettingItemList");

}

DRAW_BOUNDING_RECTS = false;

include("renderLibrary.js")

include("implLibrary.js")

include("srcgenLibrary.js")

function fontForType(silProperties, laf) {

	return laf.getFont("NormalFont");

}

function getLineBounds(silProperties, laf) {

	var font = fontForType(silProperties, laf);

	// * 2 accounts for label and content

	var p = new Point(0, getFontHeight(font) * 2 + laf.getInteger("list.padding", 8));

	p.y += laf.getInteger("extra.padding", 0) * 2;

	//println("getLineBounds="+p);

	return p;

}

function maxDisplayableItems(silProperties, laf) {

	var header = 0;

	var bounds = getLineBounds(silProperties, laf);

	var max = Math.floor((silProperties.size.height - laf.getInteger("list.padding", 8) / 2) / bounds.y)

	//println("maxDisplayableItems="+max+" bounds="+bounds+" silProperties.size.height="+silProperties.size.height);

	return max;

}

function verticalContentMargin(silProperties, laf) {

	var maxItems = maxDisplayableItems(silProperties, laf);

	var lineBounds = getLineBounds(silProperties, laf);

	return maxItems * lineBounds.y + laf.getInteger("list.padding", 8) / 2;

}

function isShowingNumbers(silInstance) {

	return silInstance.properties.EAknSettingItemNumberedStyle;

}

function getPromptDividerOffset(silInstance, laf) {

	var column;

	if (silInstance.properties.EAknSettingItemNumberedStyle)

		column = laf.getInteger("settingitemlist.numbered.padding", 20);

	else

		column = laf.getInteger("settingitemlist.padding", 6);

	return column;

}

function getSILPaddingY(laf) {

	return laf.getInteger("settingitemlist.padding.y", 6);

}

function getSILPaddingX(laf) {

	return laf.getInteger("settingitemlist.padding.x", 6);

}

/**

 *	Get all the rectangles associated with an item in a setting item list.

 *

 *	@param rect the item's rectangle (i.e. an entire row)

 * @returns an array with:

 *

 *	0) Rectangle numeric prompt bounds, as a whole

 *	1) Rectangle title bounds, as a whole

 *	2) Rectangle compulsory indicator bounds, as a whole

 *	3) Rectangle content bounds, as a whole

 *	4) int column where divider is drawn

 */

var SIL_ITEM_RECT_INDEX = 0;

var SIL_NUMBER_RECT_INDEX = 1;

var SIL_TITLE_RECT_INDEX = 2;

var SIL_INDICATOR_RECT_INDEX = 3;

var SIL_CONTENT_RECT_INDEX = 4;

var SIL_DIVIDER_OFFSET_INDEX = 5;

function getSettingItemRectanglesInRect(instance, laf, rect) {

	var silInstance = instance.parent;

	var dividerOffset = getPromptDividerOffset(instance.parent, laf);

	var promptRect, contentRect, titleRect, indiRect;

	var contentHeight = laf.getInteger("settingitemlist.content.height", 16);

	var vertPadding = getSILPaddingY(laf);	

	var horizPadding = getSILPaddingX(laf);

	promptRect = new Rectangle(rect.x, rect.y + vertPadding, 

					dividerOffset - horizPadding, rect.height - vertPadding);

	var leftMargin = dividerOffset + horizPadding;

	titleRect = new Rectangle(leftMargin, rect.y + vertPadding, 

		rect.width - leftMargin, contentHeight);

	var contentX = laf.getInteger("settingitemlist.content.x", 32);

	contentRect = new Rectangle(rect.x + contentX,

			rect.y + rect.height / 2 + vertPadding, 

			rect.width - contentX - horizPadding/2,

			contentHeight);

	var indiFont = getIndiFont(laf);

	var indiWidth = (indiFont.getCharWidth("5") * 3) / 2;

	indiRect = new Rectangle(contentRect.x - indiWidth, contentRect.y,

			indiWidth, contentRect.height);

	var rects = [ rect, promptRect, titleRect, indiRect, contentRect, dividerOffset ];

	//pr("Rects = " +rects);

	return rects;

}

function getSettingItemRectangles(instance, laf) {

	var rect = new Rectangle(0, 0, 

		instance.properties.size.width, instance.properties.size.height);

	return getSettingItemRectanglesInRect(instance, laf, rect);

}

function getPromptFont(laf) {

	return laf.getFont("AnnotationFont");

}

function getTitleFont(laf) {

	return laf.getFont("NormalFont");

}

function getIndiFont(laf) {

	var font = laf.getFont("Settings.list.indicator");

	if (font != null)

		return font;

	return laf.getFont("NormalFont");

}

function getPromptFlags(instance) {

	var flags = Font.OVERFLOW_ELLIPSIS;

	flags |= Font.ALIGN_CENTER;

	return flags;

}

function isFirstField(instance) {

	var siblings = instance.parent.children;

	if (siblings != null)

		return instance == siblings[0];

	return false;

}

function calcSettingItemNumber(silInstance, self) {

	var number = silInstance.properties.initialNumber;

	var numberHidden = silInstance.properties.EAknSettingItemIncludeHiddenInOrdinal;

	for (var c in silInstance.children) {

		var sib = silInstance.children[c];

		if (sib == self)

			break;

		if (numberHidden || !sib.properties.itemHidden)

			number++;

	}

	return number;

}

function setSettingsListLineStyle(laf, graphics) {

	var version = getComponentVersions();

	if ((version.getMajor() >= 3 || (version.getMajor() == 2 && version.getMinor() >= 8))

			&& laf.getDimension("screen.size").x > 208) {

		// use dashed line

		graphics.setLineWidth(2);

		graphics.setLineDash([ 2 ]);

	} else {

		// use solid line

		graphics.setLineWidth(1);

	}

}

function drawSettingItemPrompt(prototype, instance, laf, graphics, rects) {

	var formInstance = instance.parent;

	var properties = instance.properties;

	var number = calcSettingItemNumber(instance.parent, instance);

	var rect = rects[SIL_NUMBER_RECT_INDEX];	

	graphics.setBackground(laf.getColor("EEikColorControlBackground"));

	//graphics.setBackground(getBackgroundColor(instance, laf));

	graphics.fillRectangle(rect);

	graphics.setForeground(laf.getColor("listitem.text"));

	var itemRect = rects[SIL_ITEM_RECT_INDEX];

	// no decorations on 3.1+

	if (laf.getBoolean("decorations", true)) {

		setSettingsListLineStyle(laf, graphics);

		graphics.drawLine(rects[SIL_DIVIDER_OFFSET_INDEX], 

			itemRect.y + itemRect.height - 1,  

			itemRect.width, itemRect.y + itemRect.height - 1);

		//graphics.drawLine(rects[SIL_DIVIDER_OFFSET_INDEX], itemRect.y, rects[SIL_DIVIDER_OFFSET_INDEX], itemRect.height);

	}

	// draw number

	var font = getPromptFont(laf);

	graphics.setFont(font);

	if (isShowingNumbers(formInstance)) {

		var numberRect = rects[SIL_NUMBER_RECT_INDEX];

		graphics.drawFormattedString(number, numberRect, 

			Font.ALIGN_RIGHT,

			0);	

	}

	// draw item title

	var font = getTitleFont(laf);

	graphics.setFont(font);

	rect = rects[SIL_TITLE_RECT_INDEX];

	var height = getFontHeight(font);

	var textRect = new Rectangle(rect.x, rect.y + (rect.height - height)/2,

			rect.width, height);

	var titleText = chooseScalableText(properties.itemTitle, font, textRect.width);

	graphics.drawFormattedString(titleText, textRect, 0, 0);	

	// draw compulsory indicator

	var font = getIndiFont(laf);

	graphics.setFont(font);	

	rect = rects[SIL_INDICATOR_RECT_INDEX];

	graphics.setForeground(laf.getColor("CAknSettingItemList.CompulsoryIndicator"));

	graphics.drawFormattedString(properties.compulsoryLabel, rect, 0, 0);

	// draw content rect

	rect = rects[SIL_CONTENT_RECT_INDEX];

	graphics.setBackground(laf.getColor("CAknSettingItemList.ContentBackground"));

	graphics.fillRectangle(rect);

	graphics.setForeground(laf.getColor("CAknSettingItemList.ContentForeground"));

}

function getSettingItemContentBounds(instance, laf) {

	var rect = new Rectangle(0, 0, 

		instance.properties.size.width, instance.properties.size.height);

	if (isForm(instance.parent)) {

		return getSettingItemRectanglesInRect(instance, laf, rect)[SIL_CONTENT_RECT_INDEX];

	}

	return rect;		

}