examples/ForumNokia/DBMS/src/DBMSEditorView.cpp

/*
 * Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *    
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Nokia Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *    
 *    Description:  
 */

#include <barsread.h>  // for resource reader
#include <coemain.h>
#include "DBMSEditorView.h"
#include <DBMS.rsg> // Generated from DBMS.rss
#include <eikfrlbd.h>
#include <eiklabel.h>  // CEikLabel
#include <AknUtils.h>

// Constant texts
_LIT(KLabelTextAuthor,"Author:");
_LIT(KLabelTextTitle,"Title:");
_LIT(KLabelTextDescription, "Description:");
_LIT(KEmptyText, "None");

// ---------------------------------------------------------------------------
// CDBMSEditorView::NewL()
//
// Create instance of this compound control.
// ---------------------------------------------------------------------------
//
CDBMSEditorView* CDBMSEditorView::NewL(const TRect& aRect)
    {
    CDBMSEditorView* self = new (ELeave) CDBMSEditorView;
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    CleanupStack::Pop(self);
    return self;
    }


// ---------------------------------------------------------------------------
// CDBMSEditorView::ConstructL()
//
// Perform the second phase construction. Instantiate the owned controls.
// ---------------------------------------------------------------------------
//
void CDBMSEditorView::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();

    }


// ----------------------------------------------------
// CDBMSEditorView::LoadListL()
// Loads item list dynamically.
// ----------------------------------------------------
//
void CDBMSEditorView::LoadListL()
        {
        TBool isNumberedStyle = iItemList->IsNumberedStyle();
        CArrayPtr<CGulIcon>* icons = iItemList->ListBox()->ItemDrawer()->FormattedCellData()->IconArray();
        TBuf<50> aText;
        
        /*Author item*/
        
        iAuthor = new (ELeave) CAknTextSettingItem(1, aText);
        iAuthor->SetEmptyItemTextL( KEmptyText );
        // The same resource id can be used for multiple text setting pages.
        iAuthor->ConstructL(isNumberedStyle, 1, KLabelTextAuthor, icons, R_TEXT_SETTING_PAGE, -1);
        iItemList->SettingItemArray()->AppendL(iAuthor);
        
        /*Title item*/
        iTitle = new (ELeave) CAknTextSettingItem(2, aText);
        iTitle->SetEmptyItemTextL( KEmptyText );
        // The same resource id can be used for multiple text setting pages.
        iTitle->ConstructL(isNumberedStyle, 1, KLabelTextTitle, icons, R_TEXT_SETTING_PAGE, -1);
        iItemList->SettingItemArray()->AppendL(iTitle);
        
        /*Description item*/
        iDescription = new (ELeave) CAknTextSettingItem(3, aText);
        iDescription->SetEmptyItemTextL( KEmptyText );
        // The same resource id can be used for multiple text setting pages.
        iDescription->ConstructL(isNumberedStyle, 1, KLabelTextDescription, 
                icons, R_TEXT_SETTING_PAGE, -1);
        iItemList->SettingItemArray()->AppendL(iDescription);
        
        // Required when there is only one setting item.
        iItemList->SettingItemArray()->RecalculateVisibleIndicesL();

        iItemList->HandleChangeInItemArrayOrVisibilityL();

        }
// ---------------------------------------------------------------------------
// CDBMSEditorView::CDBMSEditorView()
//
// // Constructor.
// ---------------------------------------------------------------------------
//
CDBMSEditorView::CDBMSEditorView()
    {
    // No implementation required
    }


// ---------------------------------------------------------------------------
// CDBMSEditorView::~CDBMSEditorView()
//
// Destructor. Release the owned controls
// ---------------------------------------------------------------------------
//
CDBMSEditorView::~CDBMSEditorView()
    {
    delete iItemList;
    }

// ---------------------------------------------------------------------------
// CDBMSEditorView::CountComponentControls()
//
// Tell the framework the number of owned controls so that it can query them
// ---------------------------------------------------------------------------
//
TInt CDBMSEditorView::CountComponentControls() const
    {
    TInt count = 0;
        if (iItemList)
                count++;
        return count;
    //return KNumberOfControls;
    }

// ---------------------------------------------------------------------------
// CDBMSEditorView::ComponentControl()
//
// Return owned controls to framework so it will draw them.
// ---------------------------------------------------------------------------
//
CCoeControl* CDBMSEditorView::ComponentControl(TInt /*aIndex*/) const
    {
    return iItemList;
    }


// ---------------------------------------------------------------------------
// CDBMSEditorView::OfferKeyEventL()
//
// Handle key events. User of this view control must add this to control
// stack to ensure this component is able to get key events. In practise
// the AppUi does it.
// ---------------------------------------------------------------------------
//
TKeyResponse CDBMSEditorView::OfferKeyEventL(const TKeyEvent& aKeyEvent,
                            TEventCode aType)
    {
    if(aType != EEventKey)
        {
        return EKeyWasNotConsumed;
        }    
    else if(iItemList)
        {
        return iItemList->OfferKeyEventL( aKeyEvent, aType );
        }
    else
        {
        return EKeyWasNotConsumed;
        }
    }

// ---------------------------------------------------------------------------
// CDBMSEditorView::GetAuthor()
//
// Get author value from iEdwinAuthor
// ---------------------------------------------------------------------------
//
void CDBMSEditorView::GetAuthorL(TDes& aResult) const
    {
    aResult.Copy(iAuthor->SettingTextL());
    }


// ---------------------------------------------------------------------------
// CDBMSEditorView::GetTitle()
//
// Get title value from iEdwinTitle
// ---------------------------------------------------------------------------
//
void CDBMSEditorView::GetTitleL(TDes& aResult) const
    {
        aResult.Copy(iTitle->SettingTextL());
    }


// ---------------------------------------------------------------------------
// CDBMSEditorView::GetDescription()
//
// Get description value from iEdwinDescription
// ---------------------------------------------------------------------------
//
void CDBMSEditorView::GetDescriptionL(TDes& aResult) const
    {
    aResult.Copy(iDescription->SettingTextL());
    }

// ----------------------------------------------------
// CDBMSEditorView::Draw()
// This function is used for window server-initiated 
// redrawing of controls, and for some 
// application-initiated drawing.
// ----------------------------------------------------
//
void CDBMSEditorView::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);
    }

// ---------------------------------------------------------
// CDBMSEditorView::HandleResourceChange()
// Called by framework when resource is changed.
// ---------------------------------------------------------
//

void CDBMSEditorView::HandleResourceChange(TInt aType)
    {
    
    CCoeControl::HandleResourceChange(aType);

    // ADDED FOR SCALABLE UI SUPPORT
    // *****************************
        //if ( aType == KEikDynamicLayoutVariantSwitch )
        //hard coded constant so it can be compiled with first edition
    if ( aType==0x101F8121 )
        {
        TRect rect = Rect();
        AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, rect);
        SetRect(rect);
        iItemList->SetRect(rect);
        TRAP_IGNORE (iItemList->ListBox()->UpdateScrollBarsL();)
        iItemList->DrawNow();    
        } 
    }
    

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