mainfrm.cpp

公交查询系统源代码 是武汉的 提供简单的查询和乘车方案 vc++

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "Public_TGIS.h"
#include "AppApi.h"
#include "Crack.h"
#include "MainFrm.h"
#include "Public_TGISView.h"
#include "HawkView.h"
#include "MapControlView.h"
#include "Splash.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	ON_WM_CREATE()
	ON_NOTIFY(TBN_DROPDOWN, AFX_IDW_TOOLBAR, OnToolbarDropDown)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
    0,
	0,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	CString StartupPath = GetModulePath();
	m_environment.m_szSDBPath = StartupPath + "\\电子地图\\";
	m_environment.m_szDBName = StartupPath + "\\武汉市PTGIS属性数据库.mdb";
	m_environment.m_AppPath  = StartupPath;
	m_environment.m_szHelpPath = StartupPath + "\\帮助\\start.htm";
/*	m_environment.m_db.CreateDispatch(TEXT("MapObjects2.DataConnection"));
	m_environment.m_db.SetDatabase(m_environment.m_szSDBPath);
    if (!m_environment.m_db.Connect())
		throw "unable to connect to database";*/
//	if (!m_environment.m_db.CreateDispatch(TEXT("MapObjects2.DataConnection")))
//		throw "unable to create MapObjects2.DataConnection";
//	m_environment.m_db.SetDatabase(m_environment.m_szSDBPath);
//	if (!m_environment.m_db.Connect())
//		throw "unable to connect to database";

	NOFILTER = "(全部类型)";
	NOSUBFILTER = "(全部子类型)";
	FONTNAME = "楷体";
	FONTHEIGHT = 2500;
	MAX_SCALE = 4000;
	MIN_SCALE = 20000;
}

CMainFrame::~CMainFrame()
{	
	if(m_pImageList)
	{
		delete m_pImageList;
		m_pImageList = NULL;
	}
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_pictureToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_pictureToolBar.LoadToolBar(IDR_TOOLBAR_PICTURE))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}
    
	//添加地物类型工具栏，控制地物的显示

	if (!m_featureToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_LEFT
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_featureToolBar.LoadToolBar(IDR_TOOLBAR_FEATURE))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}



	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	//状态栏上显示当前地图坐标和坐标比例尺
    m_wndStatusBar.SetPaneInfo(1,ID_ROW_COL,SBPS_NORMAL,240);
    m_wndStatusBar.SetPaneInfo(2,ID_MAP_SCALE,SBPS_NORMAL,180);

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);
    
    m_wndToolBar.GetToolBarCtrl().SetExtendedStyle(TBSTYLE_EX_DRAWDDARROWS);

	DWORD dwStyle = m_wndToolBar.GetButtonStyle(m_wndToolBar.CommandToIndex(ID_MAP_LINEMEASURE));
	dwStyle |= TBSTYLE_DROPDOWN;
	m_wndToolBar.SetButtonStyle(m_wndToolBar.CommandToIndex(ID_MAP_LINEMEASURE), dwStyle);
    
    dwStyle = m_wndToolBar.GetButtonStyle(m_wndToolBar.CommandToIndex(ID_MAP_POINTSEL));
	dwStyle |= TBSTYLE_DROPDOWN;
	m_wndToolBar.SetButtonStyle(m_wndToolBar.CommandToIndex(ID_MAP_POINTSEL), dwStyle);

	m_featureToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_featureToolBar);
    
	m_featureToolBar.GetToolBarCtrl().SetExtendedStyle(TBSTYLE_EX_DRAWDDARROWS);

    dwStyle = m_featureToolBar.GetButtonStyle(m_featureToolBar.CommandToIndex(ID_FEATURE_GOV));
	dwStyle |= TBSTYLE_DROPDOWN;
	m_featureToolBar.SetButtonStyle(m_featureToolBar.CommandToIndex(ID_FEATURE_GOV), dwStyle);

	dwStyle = m_featureToolBar.GetButtonStyle(m_featureToolBar.CommandToIndex(ID_FEATURE_TOUR));
	dwStyle |= TBSTYLE_DROPDOWN;
	m_featureToolBar.SetButtonStyle(m_featureToolBar.CommandToIndex(ID_FEATURE_TOUR), dwStyle);

	dwStyle = m_featureToolBar.GetButtonStyle(m_featureToolBar.CommandToIndex(ID_FEATURE_HOSPITAL));
	dwStyle |= TBSTYLE_DROPDOWN;
	m_featureToolBar.SetButtonStyle(m_featureToolBar.CommandToIndex(ID_FEATURE_HOSPITAL), dwStyle);

    CSplashWnd::ShowSplashScreen(this);
	// CG: The following line was added by the Splash Screen component.
	return 0;
}

////////////////////////////////////////////////
////下拉工具按钮
void CMainFrame::OnToolbarDropDown(NMTOOLBAR* pnmtb, LRESULT *plr)
{
	CWnd *pWnd;
	UINT nID;

	// Switch on button command id's.
	switch (pnmtb->iItem)
	{
	case ID_MAP_LINEMEASURE:
		pWnd = &m_wndToolBar;
		nID  = IDR_MEASURE;
		break;

    case ID_MAP_POINTSEL:
		pWnd = &m_wndToolBar;
		nID  = IDR_SELECT;
		break;

	case ID_FEATURE_GOV:
		pWnd = &m_featureToolBar;
		nID  = IDR_FEATURE_CITY;
		break;

	case ID_FEATURE_TOUR:
		pWnd = &m_featureToolBar;
		nID  = IDR_FEATURE_TOURING;
		break;

	case ID_FEATURE_HOSPITAL:
		pWnd = &m_featureToolBar;
		nID  = IDR_FEATRUE_PUBLIC;
		break;

	default:
		return;
	}
	
	// load and display popup menu
	CMenu menu;
	menu.LoadMenu(nID);
	CMenu* pPopup = menu.GetSubMenu(0);
	ASSERT(pPopup);
	
	CRect rc;
	pWnd->SendMessage(TB_GETRECT, pnmtb->iItem, (LPARAM)&rc);
	pWnd->ClientToScreen(&rc);
	
	pPopup->TrackPopupMenu( TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_VERTICAL,
		rc.left, rc.bottom, this, &rc);
}
/////////////////////////////////////////////////////////
///////////

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	cs.style &= ~FWS_PREFIXTITLE;
	cs.style &= ~FWS_ADDTOTITLE;

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers
//将整个界面分为3个视图，主视图在左边，图层和鹰眼视图在右侧。

BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext) 
{
	// TODO: Add your specialized code here and/or call the base class
	
	if (!m_wndSplitter.CreateStatic(this, 1, 2))
	{
		return FALSE;
	}

	if (!m_wndSplitter.CreateView(0, 0,
		RUNTIME_CLASS(CPublic_TGISView), CSize(650, 0), pContext))
	{
		TRACE0("创建视图失败！\n");
		return FALSE;
	}

	if (!m_wndSplitter2.CreateStatic(
		&m_wndSplitter,     // 父窗口是第一个CSplitter变量
		2, 1,               // 新的分视包括2行1列
		WS_CHILD | WS_VISIBLE | WS_BORDER,  // 视图样式，必须设置WS_BORDER属性
		m_wndSplitter.IdFromRowCol(0, 1)
		))
	{
		return FALSE;
	}

	if (!m_wndSplitter2.CreateView(0, 0,
		RUNTIME_CLASS(CMapControlView), CSize(0, 400), pContext))
	{
		TRACE0("创建视图失败！\n");
		return FALSE;
	}

	if (!m_wndSplitter2.CreateView(1, 0,
		RUNTIME_CLASS(CHawkView), CSize(0, 0), pContext))
	{
		TRACE0("创建视图失败！\n");
		return FALSE;
	}
    SetActiveView((CFormView *)m_wndSplitter.GetPane(0,0));
	return TRUE;
	
	//return CFrameWnd::OnCreateClient(lpcs, pContext);
}

///////////////////////////////////////////////////
///////连接数据库并从中读取元数据的函数，该函数主要用于
///////构造CEnvironment类的m_mapInfos变量。
///////////////////////////////////////////////////
BOOL CMainFrame::CreateDataSet()
{
	CDaoDatabase* tmpDB = new CDaoDatabase;
	try
	{
		// 建立与数据库的连接
		tmpDB->Open(m_environment.m_szDBName);
	}
	catch (CDaoException* e)
	{
		DisplayDaoException(e);
		delete tmpDB;
		e->Delete();
		return FALSE;
	}

	CDaoRecordset rs(tmpDB);
	try
	{
		int nIndex = 0;
		CString strSelect(_T("Select * From [地图集信息表]"));
		// 从数据库中读取“地图集信息表”数据表
		rs.Open(dbOpenDynaset,strSelect);

		m_environment.m_nMapNum = rs.GetRecordCount(); // 得到记录数目
		m_environment.m_mapInfos = new MapInfo [m_environment.m_nMapNum];

		// 循环得到各条记录中的各字段的值
		while (!rs.IsEOF())
		{
			COleVariant var;
			// 得到当前记录“表名”字段的值
			var = rs.GetFieldValue("表名");
			// 利用CCrack类的strVARIANT方法将结果转变为CString 类型
			CString szTableName = CCrack::strVARIANT(var);

			if (szTableName != "")
			{
				var = rs.GetFieldValue("名称");
				m_environment.m_mapInfos[nIndex].szName 
					= CCrack::strVARIANT(var);
				m_environment.m_mapInfos[nIndex].szMetaTable = szTableName;
				var = rs.GetFieldValue("索引表名");
				m_environment.m_mapInfos[nIndex].szIndexTable 
					= CCrack::strVARIANT(var);
				
				var = rs.GetFieldValue("X1");				
				m_environment.m_mapInfos[nIndex].rect.SetLeft(
					atof(CCrack::strVARIANT(var)));
				var = rs.GetFieldValue("Y1");
				m_environment.m_mapInfos[nIndex].rect.SetTop(
					atof(CCrack::strVARIANT(var)));
				var = rs.GetFieldValue("X2");
				m_environment.m_mapInfos[nIndex].rect.SetRight(
					atof(CCrack::strVARIANT(var)));
				var = rs.GetFieldValue("Y2");
				m_environment.m_mapInfos[nIndex].rect.SetBottom(
					atof(CCrack::strVARIANT(var)));               
              
				nIndex ++;
			}

			// 将游标移动到下一条记录
			rs.MoveNext();
		}

		rs.Close(); // 关闭数据表
		m_environment.m_nCurrMapIndex = 0;
	}
	catch (CDaoException* e)
	{
		DisplayDaoException(e);
		tmpDB->Close();
		delete tmpDB;
		e->Delete();
		return FALSE;
	}

	if(tmpDB)
	{
		if(tmpDB->IsOpen())
		{
			// 关闭与数据库的连接
			tmpDB->Close();
		}

		// 释放资源
		delete tmpDB;
		tmpDB = NULL;
	}

	return TRUE;
}

/////////////////////////////////////////////////////////
/////////// 从元数据表中读取数据，设置指定索引的地图中的图层信息
////////参数nIndex是需要设置图层信息的地图在地图集合中的索引
/////////////////////////////////////////////////////////
BOOL CMainFrame::LoadLayerInfos(int nIndex)
{
	// 元数据表名
	CString szMetaTable = m_environment.m_mapInfos[nIndex].szMetaTable;