createchannelpage2.cpp

beereader source code

// CreateChannelPage2.cpp : implementation file
//

#include "stdafx.h"
#include "BeeReader.h"
#include "CreateChannelPage2.h"
#include "CreateChannelSheet.h"
#include "CreateGroupDlg.h"
#include "MainFrm.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CCreateChannelPage2 property page

IMPLEMENT_DYNCREATE(CCreateChannelPage2, CPropertyPage)

CCreateChannelPage2::CCreateChannelPage2(PGROUPNODE pParentNode ) : CPropertyPage(CCreateChannelPage2::IDD)
{
	//{{AFX_DATA_INIT(CCreateChannelPage2)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
    m_pParentNode = pParentNode;
}

CCreateChannelPage2::~CCreateChannelPage2()
{
}

void CCreateChannelPage2::DoDataExchange(CDataExchange* pDX)
{
	CPropertyPage::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCreateChannelPage2)
	DDX_Control(pDX, IDC_TREE1, m_pTree);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CCreateChannelPage2, CPropertyPage)
	//{{AFX_MSG_MAP(CCreateChannelPage2)
	ON_BN_CLICKED(IDC_BUT_CREATEGROUP, OnButCreategroup)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCreateChannelPage2 message handlers

BOOL CCreateChannelPage2::OnSetActive() 
{
	// TODO: Add your specialized code here and/or call the base class
	CCreateChannelSheet* pSheet = (CCreateChannelSheet*)GetParent();
	pSheet->SetWizardButtons( PSWIZB_BACK | PSWIZB_NEXT );

	return CPropertyPage::OnSetActive();
}

BOOL CCreateChannelPage2::OnInitDialog() 
{
	CPropertyPage::OnInitDialog();
	
	// TODO: Add extra initialization here
		// Create the image list used by the tree control.
	if ( !m_imageList.Create( 16, 16, ILC_COLOR24 | ILC_MASK, 1, 1 ) )
	{
		TRACE0("Failed to create image list.\n");
		return -1;
	}

	// load the tree images bitmap and add it to the image list.
	m_bitmap.LoadBitmap( IDB_IMGLIST_VIEW );
	m_imageList.Add( &m_bitmap, RGB( 0x00,0xff,0x00 ) );

	m_pTree.SetImageList( &m_imageList, TVSIL_NORMAL );

	CCreateChannelSheet* pSheet = (CCreateChannelSheet*)GetParent();
	ASSERT(pSheet);
	pNewsGroup = pSheet->pNewsGroup; 

	CString szItem;
	szItem = pNewsGroup->GetRootNode()->szNodeName;

	HTREEITEM htItem = m_pTree.InsertItem( szItem );
	m_pTree.SetItemState( htItem, TVIS_BOLD, TVIS_BOLD );
	m_pTree.SetItemData( htItem,(DWORD)pNewsGroup->GetRootNode() );
	if( !m_pParentNode || (m_pParentNode == pNewsGroup->GetRootNode()) )
		m_pTree.SelectItem( htItem );

    LoadGroup(  pNewsGroup->GetRootNode()->pFirstChild,htItem);	

	m_pTree.Expand( htItem, TVE_EXPAND  );	

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}


void CCreateChannelPage2::LoadGroup(PGROUPNODE pNode,HTREEITEM hParentItem)
{
	PGROUPNODE pg = NULL;
	HTREEITEM hItem;
	if( !pNode ) return;

	if( pNode->dwData == 0 )
	   hItem = m_pTree.InsertItem( pNode->szNodeName,2,3,hParentItem);
	m_pTree.SetItemData(hItem,(DWORD)pNode);
	if( m_pParentNode == pNode )
		m_pTree.SelectItem( hItem );

	if( pNode->pFirstChild )
	{
		LoadGroup( pNode->pFirstChild,hItem); 
	}
	
	if( pNode->pNextSibling != pNode->pParentNode->pFirstChild ) 
		LoadGroup( pNode->pNextSibling,hParentItem); 	    
}

void CCreateChannelPage2::OnButCreategroup() 
{
	// TODO: Add your control notification handler code here
    UpdateData( TRUE );
    HTREEITEM htSelect = m_pTree.GetSelectedItem();

	CCreateGroupDlg cgd( (PGROUPNODE)m_pTree.GetItemData(htSelect) );	
	if( cgd.DoModal() == IDOK )
	{		
		PGROUPNODE pNode = pNewsGroup->Insert( cgd.GetParentNode(),NULL,cgd.GetGroupName(),0); 
		
		if( pNode )
		{			
			HTREEITEM htItem;
	        htItem = FindItem(m_pTree.GetRootItem(),(DWORD)m_pParentNode);
			if( htItem )
			{
                  htItem = m_pTree.InsertItem( pNode->szNodeName,2,3,htItem); 
				  m_pTree.SelectItem( htItem );
				  m_pParentNode = pNode;
			}
			
			CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
			ASSERT(pMainWnd);
			pMainWnd->GetNewsTree()->InsertGroup( cgd.GetParentNode(),pNode ); 
		}
	}
}

HTREEITEM CCreateChannelPage2::FindItem(HTREEITEM htParent, DWORD dwData)
{
	if( htParent == NULL ) return NULL;

	if( m_pTree.GetItemData( htParent ) == dwData ) return htParent;

	if( m_pTree.ItemHasChildren(htParent) )
	{
		HTREEITEM hItem = m_pTree.GetChildItem(htParent);
		HTREEITEM hItem1 = FindItem( hItem,dwData );
        if( hItem1 == NULL )
		{
			while (hItem != NULL)
			{
               hItem = m_pTree.GetNextSiblingItem(hItem);
			   hItem1 = FindItem( hItem,dwData );
			   if( hItem1 ) return hItem1;
			}
		}
        else  return hItem1;
	}
	
	return NULL;
}

LRESULT CCreateChannelPage2::OnWizardNext() 
{
	// TODO: Add your specialized code here and/or call the base class
	UpdateData(TRUE);

    HTREEITEM htSelect = m_pTree.GetSelectedItem();
	if( htSelect )
	{
		m_pParentNode = (PGROUPNODE)m_pTree.GetItemData(htSelect);
	}

	return CPropertyPage::OnWizardNext();
}