messageviewer.cpp

Simple Jabber Client for Symbian Platform

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  Jabber
 *  Copyright (C) 2004 Xie Tian Lu  http://sabber.jabberstudio.org/
 */

#include <AknNoteWrappers.h>
#include <frmtview.h>
#include <txtfrmat.h>
#include <coemain.h>
#include <eikscrlb.h>
#include <eiksbfrm.h>	//sbfrm
#include <txtrich.h>	//Richtext
#include <eikrted.h>	//RichText Editor
#include <avkon.mbg>	// Image Ids 
#include <eikenv.h>		// ReadResource() 
#include <e32def.h>		// for _L
#include <eikmenub.h>
#include <Sabber.rsg>
#include "MessageViewer.h"
#include "MessageItem.h"
#include "osaux.h"

CMessageViewer::CMessageViewer(const TRect& aRect)
{
	CreateWindowL();

	iRect = aRect;
	iRect.iTl.iY = 0;
	SetRect( iRect );
	iStartLine = 0;
	iLinesInClient = iRect.Height() / 20;
}


CMessageViewer::~CMessageViewer()
{
	delete iSBFrame;
	CloseWindow();
}

TInt CMessageViewer::CountComponentControls() const
{
	return 0;
}

CCoeControl* CMessageViewer::ComponentControl(TInt aIndex) const
{
    
    switch ( aIndex )
    {
	case 0:
		return NULL;
    default:
        return NULL;
	}
   
}

void CMessageViewer::Draw(const TRect& aRect) const
{	
	TBuf<128>	buf;
	CWindowGc&	gc = SystemGc();
	gc.Clear();

	gc.SetPenColor( KRgbBlack );
	gc.SetPenStyle( CGraphicsContext::ENullPen );
	gc.SetBrushColor( KRgbWhite );
	gc.SetBrushStyle( CGraphicsContext::ESolidBrush);
	gc.DrawRect( aRect );

	gc.UseFont( iFont );

	int		x = 4; 
	int		y = 18;
	if ( iItem->IsReceived() ) 
		CEikonEnv::Static()->ReadResource( buf, R_BUF_MSG_RECEIVED );
	else
		CEikonEnv::Static()->ReadResource( buf, R_BUF_MSG_SENT );
	gc.DrawText( buf,TPoint( x, y ) );
	y += 16;
	gc.DrawText( iItem->GetTimeStamp(), TPoint( x + 24, y ) );

	y += 16;
	buf.Zero();
	CEikonEnv::Static()->ReadResource( buf, R_BUF_MSG_FROM );
	gc.DrawText( buf, TPoint( x, y ) );

	buf.Zero();
	CUtil::UTF82Unicode( buf, iItem->GetFrom() );
	gc.DrawText( buf, TPoint( x + 36, y ) );

	y += 16;
	buf.Zero();
	CEikonEnv::Static()->ReadResource( buf, R_BUF_MSG_TO );
	gc.DrawText( buf, TPoint( x + 2, y ) );
	buf.Zero();
	CUtil::UTF82Unicode( buf, iItem->GetTo() );
	gc.DrawText( buf, TPoint( x + 36, y ) );

	gc.SetPenColor( KRgbGray );
	gc.SetPenStyle( CGraphicsContext::ESolidPen );
	y += 4;
	gc.DrawLine( TPoint( 0, y ), TPoint( 176, y ) );
	y += 2;
	gc.DrawLine( TPoint( 0, y ), TPoint( 176, y ) );

	gc.SetPenColor( KRgbBlack );
	y += 20;
	int lines = ( 176 - 20 - y ) / 16;
	int l = 4;
	int r = 174;
	iItem->DrawContent( &gc, lines, l, r, x + 24, y, 16, iFont );

	gc.SetPenColor( KRgbGray );
	gc.DrawLine( TPoint( 0, aRect.iBr.iY - 1 ), TPoint( 176, aRect.iBr.iY - 1 ) );
}

TKeyResponse CMessageViewer::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
{	

   if ( aType != EEventKey ) // Is not key event?
        return EKeyWasNotConsumed;


    TChar charCode(aKeyEvent.iCode);

    switch ( charCode ) // The code of key event is...
    {
		case EKeyDownArrow:
		{			
			if ( iStartLine + iLines - iLinesInClient > 0 ) {
				iStartLine--;
				iSBFrame->MoveThumbsBy( 0, 1 );
			}
			DrawNow();
			return EKeyWasConsumed;
		}

		case EKeyUpArrow :
		{
			if( iStartLine < 0 ) {
				iStartLine += 1;
				iSBFrame->MoveThumbsBy( 0, -1 );
			}
			DrawNow();
			return EKeyWasConsumed;
		}

        case EKeyLeftArrow: // Left key.
		{
			AddIndex();
			return EKeyWasConsumed;
		}

        case EKeyRightArrow: // Right Key.
		{	
			SubIndex();
			return EKeyWasConsumed;
		}		
    }   

	return EKeyWasNotConsumed;
}

void CMessageViewer::HandleControlEventL( CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
{
    // TODO: Add your control event handler code here
}

void CMessageViewer::HandleScrollEventL(CEikScrollBar* aScrollBar, TEikScrollEvent aEventType)
{
	// Never called
}

void CMessageViewer::CreateScrollBars()
{
	iSBModel = TEikScrollBarModel(10, 0, 0);
	iSBFrame = new (ELeave) CEikScrollBarFrame( this, this, ETrue );
	iSBFrame->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff, CEikScrollBarFrame::EOn );
	iSBFrame->Tile( &iSBModel );
	//iSBFrame->DrawScrollBarsNow();
}

void CMessageViewer::ActivateL()
{
	MakeVisible( ETrue );
	CCoeControl::ActivateL();
	SetFocus( ETrue );
}

void CMessageViewer::Quit()
{
	MakeVisible(EFalse);
	SetFocus( EFalse );
}

void CMessageViewer::SetModel( CMessageModel* aModel )
{
	iModel = aModel;
}

void CMessageViewer::SetMessageItem( CMessageItem* aItem )
{
	iItem = aItem;
}

void CMessageViewer::SetFont( CFont* aFont )
{
	iFont = aFont;
}

void CMessageViewer::AddIndex()
{
}

void CMessageViewer::SubIndex()
{
}

void CMessageViewer::GetLineNum()
{	
}