osm_assignmentappui.cpp

来自「an addition application in symbian using」· C++ 代码 · 共 250 行

/*
 ============================================================================
 Name		: OSM_assignmentAppUi.cpp
 Author	  : Salik iftikhar
 Copyright   : Assignment
 Description : COSM_assignmentAppUi implementation
 ============================================================================
 */

// INCLUDE FILES
#include <avkon.hrh>
#include <aknmessagequerydialog.h>
#include <aknnotewrappers.h>
#include <stringloader.h>
#include <f32file.h>
#include <s32file.h>
#include <hlplch.h>
#include <e32math.h>

#include <OSM_assignment_0xE54F2FB3.rsg>

//#include "OSM_assignment_0xE54F2FB3.hlp.hrh"
#include "OSM_assignment.hrh"
#include "OSM_assignment.pan"
#include "OSM_assignmentApplication.h"
#include "OSM_assignmentAppUi.h"
#include "OSM_assignmentAppView.h"

_LIT( KFileName, "C:\\private\\E54F2FB3\\OSM_assignment.txt" );
_LIT( KText, "Hi ");

// ============================ MEMBER FUNCTIONS ===============================


// -----------------------------------------------------------------------------
// COSM_assignmentAppUi::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void COSM_assignmentAppUi::ConstructL()
	{
	// Initialise app UI with standard value.
	BaseConstructL(CAknAppUi::EAknEnableSkin);

	// Create view object
	iAppView = COSM_assignmentAppView::NewL(ClientRect());

	// Create a file to write the text to
	TInt err = CCoeEnv::Static()->FsSession().MkDirAll(KFileName);
	if ((KErrNone != err) && (KErrAlreadyExists != err))
		{
		return;
		}

	RFile file;
	err = file.Replace(CCoeEnv::Static()->FsSession(), KFileName, EFileWrite);
	CleanupClosePushL(file);
	if (KErrNone != err)
		{
		CleanupStack::PopAndDestroy(1); // file
		return;
		}

	RFileWriteStream outputFileStream(file);
	CleanupClosePushL(outputFileStream);
	outputFileStream << KText;

	CleanupStack::PopAndDestroy(2); // outputFileStream, file

	}
// -----------------------------------------------------------------------------
// COSM_assignmentAppUi::COSM_assignmentAppUi()
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
COSM_assignmentAppUi::COSM_assignmentAppUi()
	{
	// No implementation required
	}

// -----------------------------------------------------------------------------
// COSM_assignmentAppUi::~COSM_assignmentAppUi()
// Destructor.
// -----------------------------------------------------------------------------
//
COSM_assignmentAppUi::~COSM_assignmentAppUi()
	{
	if (iAppView)
		{
		delete iAppView;
		iAppView = NULL;
		}

	}

// -----------------------------------------------------------------------------
// COSM_assignmentAppUi::HandleCommandL()
// Takes care of command handling.
// -----------------------------------------------------------------------------
//
void COSM_assignmentAppUi::HandleCommandL(TInt aCommand)
	{
	switch (aCommand)
		{
		case EEikCmdExit:
		case EAknSoftkeyExit:
			Exit();
			break;

		case ECommand1:
			{
			
			TInt64 iRandomnumber;
						TTime time;
						time.HomeTime();			
						iRandomnumber = time.Int64();
						
						// Load a string from the resource file and display it
						//HBufC* textResource = StringLoader::LoadLC( R_COMMAND1_TEXT );
						CAknInformationNote* informationNote;

						informationNote = new ( ELeave ) CAknInformationNote(R_AKN_INFORMATION_NOTE);
			   TInt imynumber2;
			   TInt imynumber = TInt (5 * TReal(Math::FRand(iRandomnumber)));
			   
			   TInt imynumber1 = TInt (10 * TReal(Math::FRand(iRandomnumber)));
			   imynumber2=imynumber + imynumber1;
			   
					TBuf <40> s ;
			         s.Append(_L("Addition of two numbers "));
			         s.AppendNum(imynumber);
			         s.Append(_L(" and "));
			         s.AppendNum(imynumber1);
			         informationNote->ExecuteLD( s );
						 
			            TInt anumber = 1;
			            TInt answer( anumber );
			            const CAknQueryDialog::TTone aTone = CAknQueryDialog::ENoTone;
						CAknNumberQueryDialog* dialog = CAknNumberQueryDialog::NewL(answer, aTone);
						dialog->ExecuteLD(R_DIALOG_LAYOUT);
						
						if (answer==imynumber2)
							{
							CAknInformationNote* informationNote2;
							informationNote2 = new ( ELeave ) CAknInformationNote(R_AKN_INFORMATION_NOTE);
							
							TBuf <50> s_Correct;
							s_Correct = _L("WoW...you are a genious");
							informationNote2->ExecuteLD(s_Correct);
							}
						else
							{
							CAknInformationNote* informationNote2;
							informationNote2 = new ( ELeave ) CAknInformationNote(R_AKN_INFORMATION_NOTE);
							
							TBuf <50> s_Correct;
							s_Correct = _L("sorry...no brains");
							informationNote2->ExecuteLD(s_Correct);
							}
						
						
						iAppView->DrawNow();
						}
						break;

		case ECommand2:
			{
			RFile rFile;

			//Open file where the stream text is
			User::LeaveIfError(rFile.Open(CCoeEnv::Static()->FsSession(),
					KFileName, EFileStreamText));//EFileShareReadersOnly));// EFileStreamText));
			CleanupClosePushL(rFile);

			// copy stream from file to RFileStream object
			RFileReadStream inputFileStream(rFile);
			CleanupClosePushL(inputFileStream);

			// HBufC descriptor is created from the RFileStream object.
			HBufC* fileData = HBufC::NewLC(inputFileStream, 32);

			CAknInformationNote* informationNote;

			informationNote = new (ELeave) CAknInformationNote;
			// Show the information Note
			informationNote->ExecuteLD(*fileData);

			// Pop loaded resources from the cleanup stack
			CleanupStack::PopAndDestroy(3); // filedata, inputFileStream, rFile
			}
			break;
		case EHelp:
			{

			CArrayFix<TCoeHelpContext>* buf = CCoeAppUi::AppHelpContextL();
			HlpLauncher::LaunchHelpApplicationL(iEikonEnv->WsSession(), buf);
			}
			break;
		case EAbout:
			{

			CAknMessageQueryDialog* dlg = new (ELeave) CAknMessageQueryDialog();
			dlg->PrepareLC(R_ABOUT_QUERY_DIALOG);
			HBufC* title = iEikonEnv->AllocReadResourceLC(R_ABOUT_DIALOG_TITLE);
			dlg->QueryHeading()->SetTextL(*title);
			CleanupStack::PopAndDestroy(); //title
			HBufC* msg = iEikonEnv->AllocReadResourceLC(R_ABOUT_DIALOG_TEXT);
			dlg->SetMessageTextL(*msg);
			CleanupStack::PopAndDestroy(); //msg
			dlg->RunLD();
			}
			break;
		default:
			Panic(EOSM_assignmentUi);
			break;
		}
	}
// -----------------------------------------------------------------------------
//  Called by the framework when the application status pane
//  size is changed.  Passes the new client rectangle to the
//  AppView
// -----------------------------------------------------------------------------
//
void COSM_assignmentAppUi::HandleStatusPaneSizeChange()
	{
	iAppView->SetRect(ClientRect());
	}

CArrayFix<TCoeHelpContext>* COSM_assignmentAppUi::HelpContextL() const
	{
#warning "Please see comment about help and UID3..."
	// Note: Help will not work if the application uid3 is not in the
	// protected range.  The default uid3 range for projects created
	// from this template (0xE0000000 - 0xEFFFFFFF) are not in the protected range so that they
	// can be self signed and installed on the device during testing.
	// Once you get your official uid3 from Symbian Ltd. and find/replace
	// all occurrences of uid3 in your project, the context help will
	// work. Alternatively, a patch now exists for the versions of 
	// HTML help compiler in SDKs and can be found here along with an FAQ:
	// http://www3.symbian.com/faq.nsf/AllByDate/E9DF3257FD565A658025733900805EA2?OpenDocument
	CArrayFixFlat<TCoeHelpContext>* array = new (ELeave) CArrayFixFlat<
			TCoeHelpContext> (1);
	CleanupStack::PushL(array);
	//array->AppendL(TCoeHelpContext(KUidOSM_assignmentApp, KGeneral_Information));
	CleanupStack::Pop(array);
	return array;
	}

// End of File