网格计算

开发平台：
Visual C++

treeforhistory.cpp：源码内容
							#include "stdafx.h"
#include "trfAgent.h"
#include "mainfrm.h"
#include "TreeForHistory.h"
CTreeForHistory::CTreeForHistory(){}
CTreeForHistory::~CTreeForHistory(){}
BEGIN_MESSAGE_MAP(CTreeForHistory, CTreeCtrl)
	//{{AFX_MSG_MAP(CTreeForHistory)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnSelchanged)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
int CTreeForHistory::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	lpCreateStruct->style = TVS_HASLINES | TVS_LINESATROOT |
			TVS_HASBUTTONS | TVS_SHOWSELALWAYS | TVS_DISABLEDRAGDROP;
	if(-1 == CTreeCtrl::OnCreate(lpCreateStruct))
	{
		TRACE0("Failed to create the CTreeCtrl for historyn");
		return -1;
	}
	if(!this->m_imgTree.Create(IDB_WORKSPACE, 16, 3, RGB(255, 255, 255)))
	{
		TRACE0("Failed to create the m_imgTree for historyn");
		return -1;
	}
	this->SetImageList(&m_imgTree, TVSIL_NORMAL);
	this->MakeTree();
	return 0;
}
void CTreeForHistory::MakeTree()
{
	//0: sended files history.
	//1: recved files history.
	const HISTREEDATA nodes[] = {
		{IDS_HISTREE_TODAY, 0, 1},
		{IDS_HISTREE_ONEDS, 1, 1},
		{IDS_HISTREE_TWODS, 2, 1},
		{IDS_HISTREE_TREDS, 3, 1},
		{IDS_HISTREE_FOUDS, 4, 1},
		{IDS_HISTREE_FIVDS, 5, 1},
		{IDS_HISTREE_SIXDS, 6, 1},
		{IDS_HISTREE_TWOWEKS, 14, 1},
		{IDS_HISTREE_ONEMON, 30, 1},
		{IDS_HISTREE_TWOMONS, 60, 1},
		{IDS_HISTREE_HALFYEA, 180, 1},
		{IDS_HISTREE_ONEYEA, 365, 1},
		{IDS_HISTREE_ALL, -1, 1},
	};
	//	
	HTREEITEM hParent_r = this->InsertItem(_LoadString(IDS_RECVED_RECORD).GetBuffer(0), 3, 3);
	//HTREEITEM hParent_s = this->InsertItem(_LoadString(IDS_SNDED_RECORD).GetBuffer(0), 3, 3);
	this->SetItemData(hParent_r, 0);
	//this->SetItemData(hParent_s, 0);
	for(int i = 0; i < sizeofarray(nodes); ++i)
	{
		CString snode = _LoadString(nodes[i].nNodeTxtId);
		PHISTREEDATA pdata_r = new HISTREEDATA;
		*pdata_r = nodes[i];
		pdata_r->nItemType = 1;
		HTREEITEM hSub_r = this->InsertItem(snode, 4, 4, hParent_r);
		this->SetItemData(hSub_r, (DWORD)pdata_r);
/*
		PHISTREEDATA pdata_s = new HISTREEDATA;
		*pdata_s = nodes[i];
		pdata_s->nItemType = 0;
		HTREEITEM hSub_s = this->InsertItem(snode, 4, 4, hParent_s);
		this->SetItemData(hSub_s, (DWORD)pdata_s);
*/
	}
}
void CTreeForHistory::ReleaseTree()
{
	HTREEITEM hroot = this->GetRootItem();
	while(NULL != hroot)
	{
		PHISTREEDATA p = NULL;
		HTREEITEM hchild = this->GetNextItem(hroot, TVGN_CHILD);
		while(NULL != hchild)
		{
			p = (PHISTREEDATA)this->GetItemData(hchild);
			_DELETE(p);
			hchild = this->GetNextItem(hchild, TVGN_NEXT);
		}
		p = (PHISTREEDATA)this->GetItemData(hroot);
		_DELETE(p);
		hroot = this->GetNextItem(hroot, TVGN_NEXT);
	}
}
void CTreeForHistory::OnDestroy() 
{
	this->ReleaseTree();
	
	CTreeCtrl::OnDestroy();	
}
void CTreeForHistory::OnSelchanged(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
	*pResult = 0;
	PHISTREEDATA pdata = (PHISTREEDATA)this->GetItemData(pNMTreeView->itemNew.hItem);
	if(NULL == pdata || pNMTreeView->itemNew.hItem == pNMTreeView->itemOld.hItem) return ;
	CGuiRecordSet rs;
	char starttime[32], endtime[32], sql[MAX_SQL_SIZE];
	try
	{
		//////////////////////////////////////////////////////////////////////////
		CTime now = CTime::GetCurrentTime();
		_snprintf(starttime, sizeof(starttime), SYS_TIMEFORMAT,
				  now.GetYear(), now.GetMonth(), now.GetDay() - pdata->nLimitDays, 0, 0, 0);
		_snprintf(endtime, sizeof(endtime), SYS_TIMEFORMAT,
			now.GetYear(), now.GetMonth(), now.GetDay(), now.GetHour(), now.GetMinute(), now.GetSecond());
		
		switch(pdata->nItemType) {
		case 0:
			{
				_snprintf(sql, MAX_SQL_SIZE-1, SQL::CLIENT_TRANS_TRANSHISTORY, 
					SQL::TRANSTYP_SNDER | SQL::TRANSTYP_SNDOK, starttime, endtime);
			}
			break;
		case 1:
			{
				_snprintf(sql, MAX_SQL_SIZE-1, SQL::CLIENT_TRANS_TRANSHISTORY, 
					SQL::TRANSTYP_RECOR | SQL::TRANSTYP_RECVOK, starttime, endtime);
			}
			break;
		}
		
		if(!rs.Open(theApp.m_oAppInstance.m_adoconn.GetConecction(), sql))
		{
			//MSGBOX_ERROR(_LoadString(IDS_DBOPERFAILED).GetBuffer(0));
			return ;
		}
		//////////////////////////////////////////////////////////////////////////
		
		CMainFrame *pmainfrm = (CMainFrame*)::AfxGetMainWnd();
		pmainfrm->m_pwndWorkFrame->m_pwndFileTransView->m_pwndHistoryView->AddHistoryFromRS(rs);
		rs.Close();
	}
	catch(...) 
	{
	}
}

						