www.pudn.com > FileList_v1_0.zip > FileListContainer.cpp

/* 
* ============================================================================ 
*  Name     : CFileListContainer from FileListContainer.h 
*  Part of  : FileList 
*  Created  : 18.12.2002 by Forum Nokia 
*  Implementation notes: 
*     Initial content was generated by Nokia Series 60 AppWizard. 
*  Version  : 1.0 
*  Copyright: Nokia Corporation 
* ============================================================================ 
*/ 
 
// INCLUDE FILES 
#include "FileListContainer.h" 
#include "FileListEngine.h" 
#include "Filelist.hrh" 
 
// ================= MEMBER FUNCTIONS ======================= 
 
// --------------------------------------------------------- 
// CFileListContainer::ConstructL(const TRect& aRect) 
// Symbian two phased constructor 
// --------------------------------------------------------- 
// 
void CFileListContainer::ConstructL(const TRect& aRect) 
    { 
    CreateWindowL(); 
   
    iListBox = new (ELeave) CAknDoubleNumberStyleListBox; 
 
	iListBox->SetContainerWindowL( *this ); 
	iListBox->ConstructL( this, EAknListBoxMarkableList); 
 
	// Create the scroll indicator 
	iListBox->CreateScrollBarFrameL(ETrue); 
	iListBox->ScrollBarFrame()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto); 
 
    iListBox->Model()->SetOwnershipType( ELbmOwnsItemArray ); 
    iListBox->ActivateL(); 
 
    // Create the FileListEngine 
    iAppEngine = new (ELeave) CFileListEngine;   
 
    SetFileList(EFileListPictures, EFileListDate); 
 
    SetRect(aRect); 
    ActivateL(); 
    } 
 
// Destructor 
CFileListContainer::~CFileListContainer() 
    { 
    delete iAppEngine; 
    delete iListBox; 
    } 
 
 
// --------------------------------------------------------- 
// CFileListContainer::SetFileList(TInt aDirectory, TInt aSizeDate) 
// This will set up filelist. 
// Directory and Size can be changed. See Filelist.hrh for possible values 
// This function is located in the container and not in the engine, because it  
// activates the listbox. 
// --------------------------------------------------------- 
// 
void CFileListContainer::SetFileList(TInt aDirectory, TInt aSizeDate) 
    { 
 
    // Set the listbox to use the the file list model 
    CDesCArray* items = static_cast(iListBox->Model()->ItemTextArray()); 
 
    // If there are items, they will be removed here 
    if (iAppEngine->RemoveItems(items))  
        { 
        // This makes changes to the actual listbox 
        iListBox->HandleItemRemovalL();   
        } 
 
    // Let's show directory 
    iAppEngine->SetDirectory(aDirectory);   
    // Let's decide whether to show file size or modification date 
    iAppEngine->SetSizeDate(aSizeDate);      
    // Do preparations for the FileList 
    if(iAppEngine->StartFileList() == KErrNone) 
        {         
        // Create FileList Items in the ListBox 
        iAppEngine->GetFileListItems(items);        
        } 
    // Close FileList session 
    iAppEngine->EndFileList();                   
 
    // Refresh the listbox due to model change 
	iListBox->HandleItemAdditionL(); 
    iListBox->SetCurrentItemIndex(0); 
    iListBox->DrawNow(); 
    } 
 
// --------------------------------------------------------- 
// CFileListContainer::SizeChanged() 
// Called by framework when the view size is changed 
// --------------------------------------------------------- 
// 
void CFileListContainer::SizeChanged() 
    { 
    // control resizing 
    iListBox->SetExtent(TPoint(0,0),TSize(176,160)); 
    } 
 
 
// --------------------------------------------------------- 
// CFileListContainer::OffeKeyEventL() 
// Called by framework when the view size is changed 
// --------------------------------------------------------- 
// 
TKeyResponse CFileListContainer::OfferKeyEventL( 
    const TKeyEvent& aKeyEvent,TEventCode aType) 
    { 
    // See if we have a selection 
    TInt code = aKeyEvent.iCode; 
    switch(code) 
        { 
		// is navigator button pressed 
    	case EKeyOK: 
            iAppEngine->LaunchCurrent(iListBox->CurrentItemIndex()); 
            return (EKeyWasConsumed); 
            break; 
 
        default: 
            // Let Listbox take care of its key handling 
            return iListBox->OfferKeyEventL(aKeyEvent, aType); 
            break; 
        } 
    } 
 
// --------------------------------------------------------- 
// CFileListContainer::CountComponentControls() const 
// --------------------------------------------------------- 
// 
TInt CFileListContainer::CountComponentControls() const 
    { 
    // return number of controls inside this container 
    return 1;  
    } 
 
// --------------------------------------------------------- 
// CFileListContainer::ComponentControl(TInt aIndex) const 
// --------------------------------------------------------- 
// 
CCoeControl* CFileListContainer::ComponentControl(TInt aIndex) const 
    { 
    switch ( aIndex ) 
        { 
        case 0: 
            return iListBox; 
        default: 
            return NULL; 
        } 
    } 
 
// --------------------------------------------------------- 
// CFileListContainer::Draw(const TRect& aRect) const 
// --------------------------------------------------------- 
// 
void CFileListContainer::Draw(const TRect& aRect) const 
    { 
    CWindowGc& gc = SystemGc(); 
    // drawing code  
    gc.SetPenStyle(CGraphicsContext::ENullPen); 
    gc.SetBrushColor(KRgbGray); 
    gc.SetBrushStyle(CGraphicsContext::ESolidBrush); 
    gc.DrawRect(aRect); 
    } 
 
// --------------------------------------------------------- 
// CFileListContainer::HandleControlEventL( 
//     CCoeControl* aControl,TCoeEvent aEventType) 
// --------------------------------------------------------- 
// 
void CFileListContainer::HandleControlEventL( 
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/) 
    { 
    } 
 
// End of File