sl@0: // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // f32test\bench\t_select.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <f32file.h>
sl@0: #include <e32test.h>
sl@0: #include "t_select.h"
sl@0: //
sl@0: LOCAL_D const TInt KArrayGranularity=16;
sl@0: LOCAL_D const TInt KDriveSelector=0;
sl@0: 
sl@0: CSelectionBox* CSelectionBox::NewL(CConsoleBase* aConsole)
sl@0: //
sl@0: // Create a CSelection box
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	CSelectionBox* selBox=new(ELeave) CSelectionBox;
sl@0: 	CleanupStack::PushL(selBox);
sl@0: 	selBox->iText=new(ELeave) CArrayFixFlat<TSelBoxEntry>(KArrayGranularity);
sl@0: 	TSelBoxEntry firstEntry;
sl@0: 	firstEntry.iText=_L("Exit").AllocL();
sl@0: 	CleanupStack::PushL(firstEntry.iText);
sl@0: 	selBox->iText->InsertL(0,firstEntry);
sl@0: 	CleanupStack::Pop(2);
sl@0: 	selBox->iConsole=aConsole;
sl@0: 	return(selBox);
sl@0: 	}
sl@0: 
sl@0: CSelectionBox::~CSelectionBox()
sl@0: //
sl@0: // Destructor
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	if (iText==NULL)
sl@0: 		return;
sl@0: 	TInt count=iText->Count();
sl@0: 	while (count--)
sl@0: 		User::Free((*iText)[count].iText);
sl@0: 	delete iText;
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::AddLineL(const TDesC& aText,const TCallBack& aCallBack)
sl@0: //
sl@0: // Add a line to be displayed
sl@0: //
sl@0: 	{
sl@0: 	
sl@0: 	TSelBoxEntry entry;
sl@0: 	entry.iText=aText.AllocL();
sl@0: 	CleanupStack::PushL(entry.iText);
sl@0: 	entry.iCallBack=aCallBack;
sl@0: 	iText->InsertL(iText->Count()-1,entry);
sl@0: 	CleanupStack::Pop();
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::ReplaceTextL(TInt aLine,const TDesC& aText)
sl@0: //
sl@0: // Replace text at aLine
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	TSelBoxEntry& entry=(*iText)[aLine];
sl@0: 	User::Free(entry.iText);
sl@0: 	entry.iText=aText.AllocL();
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::Display()
sl@0: //
sl@0: // Display the box
sl@0: //
sl@0: 	{
sl@0: 	iConsole->ClearScreen();
sl@0: 
sl@0: 	TSize size=iConsole->ScreenSize();
sl@0: 	TInt widestLine=0;
sl@0: 	TInt items=iText->Count();
sl@0: 
sl@0: 	TInt count=items;
sl@0: 	while (count--)
sl@0: 		widestLine=Max(widestLine,(*iText)[count].iText->Length());
sl@0: 
sl@0: 	iTopLeft=TPoint((size.iWidth-widestLine)/2,(size.iHeight-items)/2-2);
sl@0: 	TInt downOffset=iTopLeft.iY;
sl@0: 
sl@0: 	for (count=0;count<items;count++)
sl@0: 		{
sl@0: 		if (count==iHighLight)
sl@0: 			DisplayHighLight(ETrue);
sl@0: 		iConsole->SetCursorPosAbs(TPoint(iTopLeft.iX,downOffset));
sl@0: 		iConsole->Printf(_L("%S"),(*iText)[count].iText);
sl@0: 		downOffset++;
sl@0: 		}
sl@0: 
sl@0: 	iConsole->SetCursorPosAbs(TPoint(iTopLeft.iX-1,iTopLeft.iY+iHighLight));
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::DisplayHighLight(TBool aOn)
sl@0: //
sl@0: // Draw aHighLight to the left of aLine
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	TBuf<1> cursor(1);
sl@0: 	cursor[0]=(TUint8)((aOn) ? 16 : 32);
sl@0: 	iConsole->SetCursorPosAbs(TPoint(iTopLeft.iX-2,iTopLeft.iY+iHighLight));
sl@0: 	iConsole->Printf(_L("%S"),&cursor);
sl@0: 	}
sl@0: 
sl@0: TChar CSelectionBox::CurrentKeyPress()
sl@0: 	{return(iChar);}
sl@0: 
sl@0: TInt CSelectionBox::CurrentDrive()
sl@0: 	{return(iCurrentDrive);}
sl@0: 
sl@0: TBool CSelectionBox::MediaPresent(TInt aDrive)
sl@0: //
sl@0: // Return ETrue if a media is present in aDrive
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	TDriveInfo driveInfo;
sl@0: 	iFs.Drive(driveInfo,aDrive);
sl@0: 	if (driveInfo.iType!=EMediaNotPresent)
sl@0: 		return(ETrue);
sl@0: 	return(EFalse);
sl@0: 	}
sl@0: 
sl@0: TInt CSelectionBox::NextDrive(TInt aDrive)
sl@0: //
sl@0: // Find the next drive in the driveList
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	for(TInt i=aDrive+1;i<=EDriveZ;i++)
sl@0: 		{
sl@0: 		if (iDriveList[i]!=0 && MediaPresent(i))
sl@0: 			return(i);
sl@0: 		}
sl@0: 	return(aDrive);
sl@0: 	}
sl@0: 		
sl@0: TInt CSelectionBox::PreviousDrive(TInt aDrive)
sl@0: //
sl@0: // Find the next drive in the driveList
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	for (TInt i=aDrive-1;i>=0;i--)
sl@0: 		{
sl@0: 		if (iDriveList[i]!=0 && MediaPresent(i))
sl@0: 			return(i);
sl@0: 		}
sl@0: 	return(aDrive);
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::SetDriveName()
sl@0: //
sl@0: // Set the drive name
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	TBuf<16> driveName;
sl@0: 	if (PreviousDrive(iCurrentDrive)!=iCurrentDrive)
sl@0: 		driveName+=_L("<-");
sl@0: 	driveName+=_L("Drive ");
sl@0: 	driveName.Append('A'+iCurrentDrive);
sl@0: 	driveName.Append(':');
sl@0: 	if (NextDrive(iCurrentDrive)!=iCurrentDrive)
sl@0: 		driveName+=_L("->");
sl@0: 	while (driveName.Length()<12)
sl@0: 		driveName+=_L(" ");
sl@0: 	(*iText)[0].iText->Des()=driveName;
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::DisplayDrive()
sl@0: //
sl@0: // Display the drive
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	iConsole->SetCursorPosAbs(iTopLeft);
sl@0: 	iConsole->Printf(_L("%S"),(*iText)[0].iText);
sl@0: 	iConsole->SetCursorPosAbs(TPoint(iTopLeft.iX-1,iTopLeft.iY));
sl@0: 	}
sl@0: 
sl@0: GLDEF_C TInt ChangeDrives(TAny* aSelector)
sl@0: //
sl@0: // Move to next drive if it is mounted
sl@0: //
sl@0: 	{
sl@0: 	CSelectionBox& selBox=*(CSelectionBox*)aSelector;
sl@0: 	TChar key=selBox.CurrentKeyPress();
sl@0: 	TInt drive=selBox.iCurrentDrive;
sl@0: 	if (key==EKeyLeftArrow)
sl@0: 		drive=selBox.PreviousDrive(selBox.iCurrentDrive);
sl@0: 	else if (key==EKeyRightArrow)
sl@0: 		drive=selBox.NextDrive(selBox.iCurrentDrive);
sl@0: 	selBox.iCurrentDrive=drive;
sl@0: 	selBox.SetDriveName();
sl@0: 	selBox.DisplayDrive();
sl@0: 	return(KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::AddDriveSelectorL(RFs aFs)
sl@0: //
sl@0: // Add a drive selector to the list
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	if (iDriveSelectorPresent)
sl@0: 		return;
sl@0: 	iDriveSelectorPresent=ETrue;
sl@0: 	iFs=aFs;
sl@0: 	iFs.DriveList(iDriveList);
sl@0: 	iCurrentDrive=EDriveC;
sl@0: 	TSelBoxEntry entry;
sl@0: 	entry.iText=_L("<-Drive X:->").AllocL();
sl@0: 	CleanupStack::PushL(entry.iText);
sl@0: 	entry.iCallBack=TCallBack(ChangeDrives,this);
sl@0: 	iText->InsertL(0,entry);
sl@0: 	CleanupStack::Pop();
sl@0: 	SetDriveName();
sl@0: 	}
sl@0: 
sl@0: void CSelectionBox::Run()
sl@0: //
sl@0: // Display the box and handle keypresses
sl@0: //
sl@0: 	{
sl@0: 	
sl@0: 	Display();
sl@0: 
sl@0: 	FOREVER
sl@0: 		{
sl@0: 		iChar=iConsole->Getch();
sl@0: 		switch (iChar)
sl@0: 	    	{
sl@0: 		case EKeyEscape:
sl@0: 			return;
sl@0: 		case EKeyHome:
sl@0: 			DisplayHighLight(EFalse);
sl@0: 			iHighLight=KDriveSelector;
sl@0: 			DisplayHighLight(ETrue);
sl@0: 			break;
sl@0: 		case EKeyLeftArrow:
sl@0: 			(*iText)[iHighLight].iCallBack.CallBack();
sl@0: 			break;
sl@0: 		case EKeyRightArrow:
sl@0: 			(*iText)[iHighLight].iCallBack.CallBack();
sl@0: 			break;
sl@0: 		case EKeyUpArrow:
sl@0: 			if (iHighLight)
sl@0: 				{
sl@0: 				DisplayHighLight(EFalse);
sl@0: 				iHighLight--;
sl@0: 				DisplayHighLight(ETrue);
sl@0: 				}
sl@0: 			break;
sl@0: 		case EKeyDownArrow:
sl@0: 			if (iHighLight+1<iText->Count())
sl@0: 				{
sl@0: 				DisplayHighLight(EFalse);
sl@0: 				iHighLight++;
sl@0: 				DisplayHighLight(ETrue);
sl@0: 				}
sl@0: 			break;
sl@0: 		case EKeyEnter:
sl@0: 			if (iHighLight+1==iText->Count())
sl@0: 				return;
sl@0: 			if (iHighLight==KDriveSelector && iDriveSelectorPresent)
sl@0: 				break;
sl@0: 			iConsole->ClearScreen();
sl@0: 			(*iText)[iHighLight].iCallBack.CallBack();
sl@0: 			Display();
sl@0: 			break;
sl@0: 		default:
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: