/*

* 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 findImmediateChildByComponentId(children, componentID) {

    var result = null;

	for (var i in children) {

		var child = children[i];

		if (child.component != null && child.component.isOfType(componentID)) {

			result = child;

			break;

		}

	}

	return result;

}

function isRestricted(instance) {

	return instance.component.id == "com.nokia.sdt.series60.CBARestricted";

}

function findCbaLeftId(children) {

	var cba = findImmediateChildByComponentId(children, "com.nokia.sdt.series60.CBABase");

	if (cba == null) return null;

	return getCbaLeftId(cba);

}

function findCbaMiddleId(children) {

	var cba = findImmediateChildByComponentId(children, "com.nokia.sdt.series60.CBABase");

	if (cba == null) return null;

	return getCbaMiddleId(cba);

}

function getCbaLeftId(cba) {

	var info = cba.properties.info;

	if (isRestricted(cba)) {

		if ((info == "R_AVKON_SOFTKEYS_OPTIONS_BACK") || (info == "R_AVKON_SOFTKEYS_OPTIONS_EXIT"))

			return "EAknSoftkeyOptions";

		else if (info == "R_AVKON_SOFTKEYS_OK_BACK")

			return "EAknSoftkeyOk";

	}

	else {

		// need to check, since CBA may not be emitted if not custom (thus no enumerator registered)

		//println("cba:"+cba.properties.info.editableValue);

		if (cba.properties.info.editableValue != "com.nokia.sdt.series60.CBA.Type.CUSTOM")

			return cba.properties.info.leftId;

		else

			return Engine.findBuiltinOrGeneratedEnumeratorForAlgorithm(cba, "leftId", "com.nokia.sdt.component.symbian.NAME_ALG_COMMANDS");

	}

}		

function getCbaMiddleId(cba) {

	var info = cba.properties.info;

	// TODO: Need to revisit this code for MSK

	if (isRestricted(cba)) {

		if ((info == "R_AVKON_SOFTKEYS_OPTIONS_BACK") || (info == "R_AVKON_SOFTKEYS_OPTIONS_EXIT"))

			return "EAknSoftkeyOptions";

		else if (info == "R_AVKON_SOFTKEYS_OK_BACK")

			return "EAknSoftkeyOk";

	}

	else {

		// need to check, since CBA may not be emitted if not custom (thus no enumerator registered)

		//println("cba:"+cba.properties.info.editableValue);

		if (cba.properties.info.editableValue != "com.nokia.sdt.series60.CBA.Type.CUSTOM")

			return cba.properties.info.middleId;

		else

			return Engine.findBuiltinOrGeneratedEnumeratorForAlgorithm(cba, "middleId", "com.nokia.sdt.component.symbian.NAME_ALG_COMMANDS");

	}

}		

function findCbaRightId(children) {

	var cba = findImmediateChildByComponentId(children, "com.nokia.sdt.series60.CBABase");

	if (cba == null) return null;

	return getCbaRightId(cba);

}	

function getCbaRightId(cba) {

	var info = cba.properties.info;

	if (isRestricted(cba)) {

		if ((info == "R_AVKON_SOFTKEYS_OPTIONS_BACK") || (info == "R_AVKON_SOFTKEYS_OK_BACK") || (info == "R_AVKON_SOFTKEYS_BACK"))

			return "EAknSoftkeyBack";

		else if (info == "R_AVKON_SOFTKEYS_OPTIONS_EXIT")

			return "EAknSoftkeyExit";

	}

	else {

		// need to check, since CBA may not be emitted if not custom (thus no enumerator registered)

		if (cba.properties.info.editableValue != "com.nokia.sdt.series60.CBA.Type.CUSTOM")

			return cba.properties.info.rightId;

		else

			return Engine.findBuiltinOrGeneratedEnumeratorForAlgorithm(cba, "rightId", "com.nokia.sdt.component.symbian.NAME_ALG_COMMANDS");

	}

}

function drawCBA(leftText, rightText, middleText, location, size, laf, graphics) {

	var x = location.x;

	var y = location.y;

	var width = size.x;

	var height = size.y;

	var backColor = laf.getColor("control.pane.background");

	graphics.setBackground(backColor);

	var font = laf.getFont("control.pane.font");

	graphics.setFont(font);

	graphics.setForeground(laf.getColor("control.pane.text"));

	var margin = laf.getInteger("control.pane.text.margin", 5);

	var extent = font.stringExtent(leftText + "/" + rightText)

	if (laf.getBoolean("is.portrait", true)) {

		var fontOffset = (height - extent.y) / 2

		var rect = new Rectangle(x + margin, y + fontOffset, 

				width - (2*margin), height - fontOffset);

		graphics.fillRectangle(x, y, width, height);

		leftText = chooseScalableText(leftText, font, rect.width);

		graphics.drawFormattedString(leftText, rect, Font.ALIGN_LEFT, 0);

		rightText = chooseScalableText(rightText, font, rect.width);

		graphics.drawFormattedString(rightText, rect, Font.ALIGN_RIGHT, 0);

		middleText = chooseScalableText(middleText, font, rect.width);

		if (middleText == "_" || middleText == "."){

			var imageMSK;

			if (middleText == "_") {

				imageMSK = laf.getImage("msk.context.options.icon");

			} else {

				imageMSK = laf.getImage("msk.left.key.icon");

			}

			if (imageMSK != null) {

				var imageData = imageMSK.getImageData();

				graphics.drawImage(imageMSK, 0, 0, imageData.width, imageData.height,

				width/2-imageData.width/2, height/2-imageData.height/2, imageData.width, imageData.height);

			} else {

				graphics.drawFormattedString("NO IMAGE", rect, Font.ALIGN_CENTER, 0);

			}

		}  else {

			graphics.drawFormattedString(middleText, rect, Font.ALIGN_CENTER, 0);

		}

	}

	else {

		// middle soft key text is not displayed in landscape

		var fontHeight = font.getHeight();

		var sbar1Bounds = laf.getRectangle("status.bar1.bounds");

		var sbar2Bounds = laf.getRectangle("status.bar2.bounds");

		var gradientStart = laf.getColor("control.pane.gradient.start");

		var gradientEnd = laf.getColor("control.pane.gradient.end");

		graphics.setBackground(gradientEnd);

		var alignCenter = laf.getBoolean("cba.align.center", false);

		var flags = alignCenter ? Font.ALIGN_CENTER : Font.ALIGN_RIGHT;

		var fontOffset = (sbar1Bounds.height - extent.y) / 2

		var rect = new Rectangle(x, y + fontOffset, width-margin, height-fontOffset);

		graphics.setForeground(gradientStart);

		graphics.fillGradientRectangle(x, y + sbar1Bounds.y, width, sbar1Bounds.height, false);

		rightText = chooseScalableText(rightText, font, rect.width);

		graphics.setForeground(laf.getColor("control.pane.text"));

		graphics.drawFormattedString(rightText, rect, flags, 0);

		rect.y = y + height - sbar1Bounds.height + fontOffset;

		rect.height = sbar1Bounds.height - fontOffset;

		graphics.setForeground(gradientStart);

		graphics.fillGradientRectangle(x, y + sbar2Bounds.y, width, sbar2Bounds.height, false);

		leftText = chooseScalableText(leftText, font, rect.width);

		graphics.setForeground(laf.getColor("control.pane.text"));

		graphics.drawFormattedString(leftText, rect, flags, 0);

	}

}