creategroupdlg.cpp

beereader source code

// CreateGroupDlg.cpp : implementation file
//

#include "stdafx.h"
#include "BeeReader.h"
#include "CreateGroupDlg.h"
#include "TabTreeCtrl.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CCreateGroupDlg dialog


CCreateGroupDlg::CCreateGroupDlg(PGROUPNODE pParentNode,CWnd* pParent /*=NULL*/)
	: CDialog(CCreateGroupDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCreateGroupDlg)
	m_szName = _T("");
	//}}AFX_DATA_INIT
	m_pParentNode = pParentNode;
}


void CCreateGroupDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCreateGroupDlg)
	DDX_Control(pDX, IDC_ED_NAME, m_pName);
	DDX_Control(pDX, IDC_TREE1, m_pTree);
	DDX_Text(pDX, IDC_ED_NAME, m_szName);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CCreateGroupDlg, CDialog)
	//{{AFX_MSG_MAP(CCreateGroupDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCreateGroupDlg message handlers

BOOL CCreateGroupDlg::OnInitDialog() 
{
	CDialog::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 );

	CBeeReaderApp*  pApp = (CBeeReaderApp*)AfxGetApp();
	ASSERT(pApp);

	CNewsGroup* pGroupData = pApp->GetNewsGroup();

	// Add the parent item
	CString szItem;
	szItem = pGroupData->GetRootNode()->szNodeName;
	HTREEITEM htItem = m_pTree.InsertItem( szItem );
	m_pTree.SetItemData( htItem,(DWORD)pGroupData->GetRootNode() );
	m_pTree.SetItemState( htItem, TVIS_BOLD, TVIS_BOLD );
	if( !m_pParentNode || (m_pParentNode == pGroupData->GetRootNode()) )
		m_pTree.SelectItem( htItem );

    LoadGroup(  pGroupData->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 CCreateGroupDlg::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 CCreateGroupDlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData( TRUE );

	m_szName.TrimLeft();
	m_szName.TrimRight();
	if( m_szName.IsEmpty() )
	{
		MessageBox( _T("产生错误的原因可能是未提供有效的频道名"),_T("错误提示"),MB_ICONERROR|MB_OK);
		m_pName.SetFocus();
		return;
	}
	else
	{
		m_pParentNode = (PGROUPNODE)m_pTree.GetItemData(m_pTree.GetSelectedItem());
	}

	CDialog::OnOK();
}