dialog.cpp

symbian下的几个小例子。。很值得学习

// dialog.cpp
//
// Copyright (c) Symbian Software Ltd 1999 - 2007.  All rights reserved.
//

#include "SimpleEx.h"
#include "SimpleEx.hrh"
#include "eikedwin.h"
#include <AknPopupFieldText.h> // CAknPopupFieldText
#include <avkon.rsg> // R_AVKON_FORM_MENUPANE
#include <eikmenup.h> // CEikMenuPane
const TInt KNumColors=4;

const TRgb colorList[KNumColors] =
    {
    KRgbBlack, KRgbRed, KRgbGreen, KRgbBlue
    };

CSimpleExForm* CSimpleExForm::NewL(TDes& aText,TRgb& aColor)
    {
	CSimpleExForm* self = new (ELeave) CSimpleExForm(aText, aColor);
	CleanupStack::PushL(self);
	self->ConstructL();
	CleanupStack::Pop(self);
	return self;
    }

CSimpleExForm::CSimpleExForm(TDes& aText, TRgb& aColor) : iText(aText),iColor(aColor)
    {
    }


void CSimpleExForm::PreLayoutDynInitL()
    {
    static_cast<CEikEdwin*>(Control(ESimpleExText))->SetTextL(&iText);
    TInt currColorIndex = 0;
    for ( TInt i = 0; i < KNumColors; i++ )
        {
        if ( iColor == colorList[i] )
            {
            currColorIndex = i;
            break;
            }
        }
	CAknPopupFieldText* popupFieldText = static_cast <CAknPopupFieldText*> (ControlOrNull(ESimpleExPopup));
	if (popupFieldText)
		{
		popupFieldText->SetCurrentValueIndex (currColorIndex);
		}
    }
 void CSimpleExForm::DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane)
    {
	CAknForm::DynInitMenuPaneL(aResourceId,aMenuPane);
	
	if (aResourceId == R_AVKON_FORM_MENUPANE)
		{
		aMenuPane->SetItemDimmed(EAknFormCmdLabel, ETrue);
		aMenuPane->SetItemDimmed(EAknFormCmdAdd, ETrue);
		aMenuPane->SetItemDimmed(EAknFormCmdDelete, ETrue);
		}
    }
 
TBool CSimpleExForm::SaveFormDataL()
    {
	CEikEdwin* nameEditor = static_cast <CEikEdwin*> (ControlOrNull(ESimpleExText));
	if (nameEditor)
		{
		nameEditor->GetText(iText);
		}
	
	CAknPopupFieldText* popupFieldText = static_cast <CAknPopupFieldText*> (ControlOrNull(ESimpleExPopup));
	if (popupFieldText)
		{
		iColor = colorList[popupFieldText->CurrentValueIndex()];
		}
	
	return ETrue;
    }