dynamicsettinglistappview.cpp

symbian平台上一个比较好的动态设置列表

/*
* ============================================================================
*  Name     : CDynamicSettingListAppView from DynamicSettingListAppView.cpp
*  Part of  : Dynamic Setting List
*  Created  : 09/21/2005 by Forum Nokia
*  Version  : 1.0
*  Copyright: Nokia Corporation
* ============================================================================
*/

// INCLUDE FILES
#include <coemain.h>
#include <DynamicSettingList.rsg>
#include "DynamicSettingList.hrh"
#include "DynamicSettingListAppView.h"
#include "DynamicSettingListSlider.h"
#include <eikfrlbd.h>

// CONSTANTS
_LIT(KEmptyText, "None");
_LIT(KName, "Text");
_LIT(KName2, "Integer");
_LIT(KName3, "Password");
_LIT(KName4, "Volume");
_LIT(KName5, "Slider");
_LIT(KName6, "Date");
_LIT(KName7, "Time offset");
_LIT(KName8, "IP");
_LIT(KName9, "Enumerated text");
_LIT(KName10, "Binary");
_LIT(KEnumText1, "Enum text 1");
_LIT(KEnumText2, "Enum text 2");
const TUint32 KDefaultIp = 0;
const TUint KDefaultIpPort = 80;

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

// Constructor
CDynamicSettingListAppView::CDynamicSettingListAppView() 
	: iVolume(KDefaultVolume), iIp(KDefaultIp, KDefaultIpPort)
    {
	iDate.HomeTime();
    }

// Destructor
CDynamicSettingListAppView::~CDynamicSettingListAppView()
    {
	delete iItemList;
    }

// ----------------------------------------------------
// CDynamicSettingListAppView::ConstructL()
// Symbian OS default constructor can leave.
// ----------------------------------------------------
//
void CDynamicSettingListAppView::ConstructL(const TRect& aRect)
    {
    // Create a window for this application view
    CreateWindowL();
    
   	iItemList = new (ELeave) CAknSettingItemList;
   	iItemList->SetMopParent(this);
    iItemList->ConstructFromResourceL(R_ENTRY_SETTINGS_LIST); 
    
    LoadListL();
    
    iItemList->MakeVisible(ETrue);
    iItemList->SetRect(aRect);
    iItemList->ActivateL();
    iItemList->ListBox()->UpdateScrollBarsL();
    iItemList->DrawNow();    

    // Set the windows size
    SetRect(aRect);

    // Activate the window, which makes it ready to be drawn
    ActivateL();
    }

// ----------------------------------------------------
// CDynamicSettingListAppView::Draw()
// This function is used for window server-initiated 
// redrawing of controls, and for some 
// application-initiated drawing.
// ----------------------------------------------------
//
void CDynamicSettingListAppView::Draw(const TRect& /*aRect*/) const
    {
    // Get the standard graphics context 
    CWindowGc& gc = SystemGc();
    
    // Gets the control's extent
    TRect rect = Rect();
    
    // Clears the screen
    gc.Clear(rect);
    }

// ----------------------------------------------------
// CDynamicSettingListAppView::CountComponentControls()
// Gets the number of controls contained in a compound 
// control. 
// ----------------------------------------------------
//
TInt CDynamicSettingListAppView::CountComponentControls() const
	{
	TInt count = 0;
	if (iItemList)
		count++;
	return count;
	}
	
// ----------------------------------------------------
// CDynamicSettingListAppView::ComponentControl()
// Gets the specified component of a compound control.
// ----------------------------------------------------
//
CCoeControl* CDynamicSettingListAppView::ComponentControl(TInt /*aIndex*/) const
	{
	return iItemList;
	}
	
// ----------------------------------------------------
// CDynamicSettingListAppView::OfferKeyEventL()
// When a key event occurs, the control framework calls 
// this function for each control on the control stack, 
// until one of them can process the key event 
// (and returns EKeyWasConsumed).
// ----------------------------------------------------
//	
TKeyResponse CDynamicSettingListAppView::OfferKeyEventL(	const TKeyEvent& aKeyEvent, 
																TEventCode aType )
	{
    if(aType != EEventKey)
        {
        return EKeyWasNotConsumed;
        }    
    else if(iItemList)
        {
        return iItemList->OfferKeyEventL( aKeyEvent, aType );
        }
    else
        {
        return EKeyWasNotConsumed;
        }
	
	}

// ----------------------------------------------------
// CDynamicSettingListAppView::LoadListL()
// Loads the setting item list dynamically.
// ----------------------------------------------------
//
void CDynamicSettingListAppView::LoadListL()
	{
	TBool isNumberedStyle = iItemList->IsNumberedStyle();
	CArrayPtr<CGulIcon>* icons = iItemList->ListBox()->ItemDrawer()->FormattedCellData()->IconArray();


	/*Text setting item*/
	CAknTextSettingItem* item = new (ELeave) CAknTextSettingItem(1, iText);
	CleanupStack::PushL(item);
	item->SetEmptyItemTextL( KEmptyText );
	// The same resource id can be used for multiple text setting pages.
	item->ConstructL(isNumberedStyle, 1, KName, icons, R_TEXT_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item);
	CleanupStack::Pop(item);


	/*Integer setting item*/
	CAknIntegerEdwinSettingItem* item2 = new (ELeave) CAknIntegerEdwinSettingItem(2, iNumber);
	CleanupStack::PushL(item2);
	// The same resource id can be used for multiple integer setting pages.
	item2->ConstructL(isNumberedStyle, 2, KName2, icons, R_INTEGER_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item2);
	CleanupStack::Pop(item2);


	/*Password setting item*/
	CAknPasswordSettingItem* item3 = new (ELeave) CAknPasswordSettingItem(	3, 
																			CAknPasswordSettingItem::EAlpha,
																			iPassword);
	CleanupStack::PushL(item3);
	item3->SetEmptyItemTextL( KEmptyText );
	// The same resource id can be used for multiple password setting pages.
	item3->ConstructL(isNumberedStyle, 3, KName3, icons, R_PASSWORD_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item3);
	CleanupStack::Pop(item3);
	

	/*Volume setting item*/
	CAknVolumeSettingItem* item4 = new (ELeave) CAknVolumeSettingItem(4, iVolume);
	CleanupStack::PushL(item4);
	// The same resource id can be used for multiple volume setting pages.
	item4->ConstructL(isNumberedStyle, 4, KName4, icons, R_VOLUME_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item4);
	CleanupStack::Pop(item4);
	
	
	/*Slider setting item. Read release notes to know why CDynamicSettingListSlider is used 
	instead of CAknSliderSettingItem*/
	CDynamicSettingListSlider* item5 = new (ELeave) CDynamicSettingListSlider(5, iSlider);
	CleanupStack::PushL(item5);
	// The same resource id can be used for multiple slider setting pages.
	item5->ConstructL(isNumberedStyle, 5, KName5, icons, R_SLIDER_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item5);
	CleanupStack::Pop(item5);


	/*Date setting item*/
	CAknTimeOrDateSettingItem* item6 = new (ELeave) CAknTimeOrDateSettingItem(	6, 
																				CAknTimeOrDateSettingItem::EDate,
																				iDate);
	CleanupStack::PushL(item6);
	// The same resource id can be used for multiple date setting pages.
	item6->ConstructL(isNumberedStyle, 6, KName6, icons, R_DATE_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item6);
	CleanupStack::Pop(item6);
														
														
	/*Time offset setting item*/
	CAknTimeOffsetSettingItem* item7 = new (ELeave) CAknTimeOffsetSettingItem(7, iTime);
	CleanupStack::PushL(item7);
	// The same resource id can be used for multiple time offset setting pages.
	item7->ConstructL(isNumberedStyle, 7, KName7, icons, R_TIMEOFFSET_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item7);
	CleanupStack::Pop(item7);
	
	
	/*Ip field setting item*/
	CAknIpFieldSettingItem* item8 = new (ELeave) CAknIpFieldSettingItem(8, iIp);
	CleanupStack::PushL(item8);
	// The same resource id can be used for multiple ip field setting pages.
	item8->ConstructL(isNumberedStyle, 8, KName8, icons, R_IPFIELD_SETTING_PAGE, -1);
	iItemList->SettingItemArray()->AppendL(item8);
	CleanupStack::Pop(item8);
	

	/*Enumerated text setting item*/
	CAknEnumeratedTextPopupSettingItem* item9 = new (ELeave) CAknEnumeratedTextPopupSettingItem(9, iEnumText);
	CleanupStack::PushL(item9);
	// The same resource id can be used for multiple enumerated text setting pages.
	item9->ConstructL(isNumberedStyle, 9, KName9, icons, R_ENUMERATEDTEXT_SETTING_PAGE, -1, 0, R_POPUP_SETTING_TEXTS);
	
	// Load texts dynamically.
	CArrayPtr<CAknEnumeratedText>* texts = item9->EnumeratedTextArray();
	texts->ResetAndDestroy();
	CAknEnumeratedText* enumText;
	// Text 1
	HBufC* text = KEnumText1().AllocLC();
	enumText = new (ELeave) CAknEnumeratedText(0, text);
	CleanupStack::Pop(text);
	CleanupStack::PushL(enumText);
	texts->AppendL(enumText);
	CleanupStack::Pop(enumText);
	// Text 2
	text = KEnumText2().AllocLC();
	enumText = new (ELeave) CAknEnumeratedText(1, text);
	CleanupStack::Pop(text);
	CleanupStack::PushL(enumText);
	texts->AppendL(enumText);
	CleanupStack::Pop(enumText);

	iItemList->SettingItemArray()->AppendL(item9);
	CleanupStack::Pop(item9);
	
	
	/*Binary popup setting item*/
	CAknBinaryPopupSettingItem* item10 = new (ELeave) CAknBinaryPopupSettingItem(10, iBinary);
	CleanupStack::PushL(item10);
	// The same resource id can be used for multiple binary setting pages.
	item10->ConstructL(isNumberedStyle, 10, KName10, icons, R_BINARY_SETTING_PAGE, -1, 0, R_BINARY_TEXTS);

	// Load texts dynamically.
	texts = item10->EnumeratedTextArray();
	texts->ResetAndDestroy();
	// Text 1
	text = KEnumText1().AllocLC();
	enumText = new (ELeave) CAknEnumeratedText(0, text);
	CleanupStack::Pop(text);
	CleanupStack::PushL(enumText);
	texts->AppendL(enumText);
	CleanupStack::Pop(enumText);
	// Text 2
	text = KEnumText2().AllocLC();
	enumText = new (ELeave) CAknEnumeratedText(1, text);
	CleanupStack::Pop(text);
	CleanupStack::PushL(enumText);
	texts->AppendL(enumText);
	CleanupStack::Pop(enumText);

	// Sets the correct text visible
	item10->LoadL();

	iItemList->SettingItemArray()->AppendL(item10);
	CleanupStack::Pop(item10);
	
	// Required when there is only one setting item.
	iItemList->SettingItemArray()->RecalculateVisibleIndicesL();

	iItemList->HandleChangeInItemArrayOrVisibilityL();
	}

// ----------------------------------------------------
// CDynamicSettingListAppView::StoreSettingsL()
// Stores the settings of the setting list.
// ----------------------------------------------------
//	
void CDynamicSettingListAppView::StoreSettingsL()
	{
	iItemList->StoreSettingsL();
	}
		
// End of file