public_tgisview.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++

		// 申请资源
		m_pNearestDlg = new CNearestDlg();
		if(m_pNearestDlg)
		{
			// 创建对话框
			BOOL ret = m_pNearestDlg->Create(IDD_DIALOG_NEARESTNAME, this);
			if(!ret)
			{
				AfxMessageBox("创建对话框失败！");
				return;
			}

			// 显示为一非模态对话框
			m_pNearestDlg->ShowWindow(SW_SHOW);
		}
		else
			AfxMessageBox("创建对话框失败！");
	}
	else
	{
		// 显示为一非模态对话框
		m_pNearestDlg->ShowWindow(SW_SHOW);
	}
}

void CPublic_TGISView::OnMapNameindex() 
{
	// TODO: Add your command handler code here
	CNameIndexDlg NameIndexDlg;
	NameIndexDlg.DoModal();
}

int CPublic_TGISView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CFormView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	m_nTimer = SetTimer(1, 100, 0);
	return 0;
}

void CPublic_TGISView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default

		if(m_map.m_hWnd == NULL)
			return;
		if(m_map.GetMousePointer() != moArrow)
			return;

	if (m_x == m_lastX && m_y == m_lastY)
	{
		CMoRecordset recs;
		recs = DoSearch();
		if (!recs)
		{
			// 如果没有对应的地名，则隐藏标签倥件
			m_NameLabel.ModifyStyle(WS_VISIBLE, 0,0);
		}
		else
		{
			if(recs.GetEof())
			{
				m_NameLabel.ModifyStyle(WS_VISIBLE, 0,0); // 隐藏标签倥件
				return;
			}
			CString szText = recs.GetFields().Item(
				   COleVariant("名称")).GetValueAsString();
			if (szText != "")
			{
				// 设置标签控件的显示内容与位置
				m_NameLabel.SetWindowText(szText);				
				CRect rect;
				m_NameLabel.GetWindowRect(&rect);
				CSize sizeText;
				CClientDC dc((CWnd*)&m_NameLabel);
				// 得到文本在当前显示模式下的大小
				sizeText = dc.GetTextExtent(szText); 
				// 设置标签控件的位置与大小
				m_NameLabel.SetWindowPos(&CWnd::wndTop, 
					                     (int)(m_x + 20),    // 标签控件左上点的X坐标
										 (int)(m_y + 11),    // 标签控件左上点的Y坐标
										 sizeText.cx, // 标签控件的长度
										 sizeText.cy, // 标签控件的高度
										 SWP_SHOWWINDOW);
				m_NameLabel.ModifyStyle(0, WS_VISIBLE, 0);
			}
		}
	}
	else
	{
		m_lastX = m_x;
		m_lastY = m_y;
	}

	// 如果用户在进行其他操作，则不执行快速地名显示
	
   
	CFormView::OnTimer(nIDEvent);
}

//----------------------------------------------------------------------------------------------
// 搜索某点处的地名
CMoRecordset CPublic_TGISView::DoSearch()
{
	CMoRecordset rst;
	if(!m_map.m_hWnd)
	{		
		return rst;
	}

	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CMoPoint pt;	
	pt = m_map.ToMapPoint((float)m_x,(float)m_y);  
	double dScale = pMainWnd->m_environment.CalcScale(&m_map);
	dScale = dScale/10000;
	dScale = dScale / 5000;

	for (int i=pMainWnd->m_environment.m_nLayerNum - 1; i >= 0 ; i --)
	{
		if (pMainWnd->m_environment.m_layerInfos[i].layer.GetVisible() 
			&& pMainWnd->m_environment.m_layerInfos[i].bCanSelected 
			&& pMainWnd->m_environment.m_layerInfos[i].layer.GetShapeType() == moShapeTypePoint)
			rst = pMainWnd->m_environment.m_layerInfos[i].layer.SearchByDistance(pt,dScale,"");

		if (rst)
		{
			rst.MoveFirst(); 
			if (!rst.GetEof())
				return rst;
		}
	}

	for ( i = 0; i <pMainWnd->m_environment.m_nLayerNum; i ++)
	{
		if (pMainWnd->m_environment.m_layerInfos[i].bVisible 
			&& pMainWnd->m_environment.m_layerInfos[i].bCanSelected 
			&& pMainWnd->m_environment.m_layerInfos[i].layer.GetShapeType() == moShapeTypeLine)
			rst = pMainWnd->m_environment.m_layerInfos[i].layer.SearchByDistance(pt,dScale,"");

		if (rst)
		{
			rst.MoveFirst(); 
			if (!rst.GetEof())
				return rst;
		}
	}

	for ( i = 0; i<pMainWnd->m_environment.m_nLayerNum; i ++)
	{
		if (pMainWnd->m_environment.m_layerInfos[i].bVisible 
			&& pMainWnd->m_environment.m_layerInfos[i].bCanSelected 
			&& pMainWnd->m_environment.m_layerInfos[i].layer.GetShapeType() == moShapeTypePolygon)
			rst = pMainWnd->m_environment.m_layerInfos[i].layer.SearchByDistance(pt,dScale,"");

		if (rst)
		{
			rst.MoveFirst(); 
			if (!rst.GetEof())
				return rst;
		}
	}

	return rst;
}

HBRUSH CPublic_TGISView::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CFormView::OnCtlColor(pDC, pWnd, nCtlColor);

	// 判断是否为目标控件
	if (pWnd->GetDlgCtrlID() == IDC_MAPTIP_STATIC)
	{      
		// 将文本颜色设置为红色
		pDC->SetTextColor(RGB(255, 0, 0));
		// 将背景颜色设置为黄色
		pDC->SetBkColor(RGB(255,255,0));
	}
	return hbr;
}

//////////////////////////////////////////
void CPublic_TGISView::OnMapLinemearsure() 
{
	// TODO: Add your command handler code here
	if(m_nCurTool == ID_MAP_LINEMEASURE)
	{
		m_nCurTool = NULL;
		m_map.SetMousePointer(moArrow);
	}
	else
	{
		m_nCurTool = ID_MAP_LINEMEASURE;
		m_map.SetMousePointer(moCross);
	}
}
void CPublic_TGISView::OnUpdateMapLinemearsure(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nCurTool == ID_MAP_LINEMEASURE);
}

void CPublic_TGISView::OnMapAreameasure() 
{
	// TODO: Add your command handler code here
	if(m_nCurTool == ID_MAP_AREAMEASURE)
	{
		m_nCurTool = NULL;
		m_map.SetMousePointer(moArrow);
	}
	else
	{
		m_nCurTool = ID_MAP_AREAMEASURE;
		m_map.SetMousePointer(moCross);
	}
}

void CPublic_TGISView::OnUpdateMapAreameasure(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nCurTool == ID_MAP_AREAMEASURE);
}

void CPublic_TGISView::OnMapOutput() 
{
	// TODO: Add your command handler code here
	CString szFilters = "位图(*.bmp)|*.bmp|增强的图元格式文件(*.emf)|*.emf|";
	szFilters += "Jpeg文件(*.jpg)|*.jpg;*.jpeg||";
	CFileDialog fileDlg(FALSE, "map", "*.bmp", OFN_FILEMUSTEXIST| OFN_HIDEREADONLY,
	                    szFilters, this);
	if( fileDlg.DoModal ()== IDOK)
	{
		CString ext = fileDlg.GetFileExt();
		if(ext == "bmp")
		{
			m_map.ExportMap(moExportBMP, fileDlg.GetPathName(), 1);
		}
		else if(ext == "emf")
		{
			m_map.ExportMap(moExportEMF, fileDlg.GetPathName(), 1);
		}
		else
		{
			m_map.ExportMapToJpeg(fileDlg.GetPathName(), 100, TRUE, 1, 
				                  moLineSymbolsNotScaled);
		}
	}
}

void CPublic_TGISView::OnMapPrint() 
{
	// TODO: Add your command handler code here
	m_map.PrintMap("地图", "武汉市公共交通GIS", TRUE);
}

void CPublic_TGISView::OnMapHelp() 
{
	// TODO: Add your command handler code here
	
	CString www = GetModulePath() + "\\帮助\\系统简介.htm";
	ShellExecute(m_hWnd, "open", www,0,0,SW_SHOW);
}

BOOL CPublic_TGISView::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt) 
{
	// TODO: Add your message handler code here and/or call default
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();

	if (zDelta > 0 )
	{
		

		CMoRectangle r(m_map.GetExtent());
		ASSERT(LPDISPATCH(r));
		r.ScaleRectangle(2.0/3.0);
		m_map.SetExtent(r);
		
	}
	else if (zDelta < 0)
		{
			CMoRectangle r(m_map.GetExtent());
			ASSERT(LPDISPATCH(r));
			r.ScaleRectangle(3.0/2.0);
			m_map.SetExtent(r);
		}
     	ReLabelLayers();
		ReShowLayers();
        
		CHawkView* pHawkView = (CHawkView*)(pMainWnd->
			                m_wndSplitter2.GetPane(1,0));
		pHawkView->m_HawkMap.SetExtent(pHawkView->m_HawkMap.GetExtent());
	return CFormView::OnMouseWheel(nFlags, zDelta, pt);
}

void CPublic_TGISView::OnButton32805() 
{
	// TODO: Add your command handler code here
	
}

void CPublic_TGISView::OnButton32806() 
{
	// TODO: Add your command handler code here
	
}

void CPublic_TGISView::OnMapMusic() 
{
	// TODO: Add your command handler code here
	AfxBeginThread((AFX_THREADPROC)sound,NULL,THREAD_PRIORITY_NORMAL);
}
UINT CPublic_TGISView::sound(LPVOID pParam)
{
	HINSTANCE h=AfxGetInstanceHandle();
	HRSRC hr=FindResource(h,"IDW","WAVE");
	HGLOBAL hg=LoadResource(h,hr);
	LPSTR lp=(LPSTR)LockResource(hg);
	sndPlaySound(lp,SND_MEMORY|SND_SYNC);
	hg=LoadResource(h,hr);
	 lp=(LPSTR)LockResource(hg);
	sndPlaySound(lp,SND_MEMORY|SND_SYNC);
	FreeResource(hg);
	return 0;
}

void CPublic_TGISView::LineNavigation()
{
        navigation = true;
		Invalidate(true);
	
}

void CPublic_TGISView::OnDraw(CDC* pDC) 
{
	// TODO: Add your specialized code here and/or call the base class
	if(true == navigation)
	{
		
		CMoTrackingLayer tLayer(m_map.GetTrackingLayer());

		VARIANT va;
	    VariantInit(&va);
		tLayer.Refresh(true, va);
		navigation = false;
	}
}

void CPublic_TGISView::OnAfterTrackingLayerDrawMap1(long hDC) 
{
	// TODO: Add your control notification handler code here
	    if(true == navigation)
		{
			CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
            CHawkView* pHawkView = (CHawkView*)(pMainWnd->m_wndSplitter2.GetPane(1,0));
			long dScale = (long)pMainWnd->m_environment.CalcScale(&m_map);	//地图比例尺

	    
	// 绘画公交车站
		if (pMainWnd->m_environment.m_buses != NULL && dScale < 200000)
		{
        
		HPEN tempPen = CreatePen(PS_SOLID, 7, RGB(0, 255, 255));
        SelectObject((HDC)hDC, tempPen);
  //      SelectObject(hDC, tempPen);

		// 先统计有效点的个数
		int nCount = 0;
		for (int i=0; i<pMainWnd->m_environment.m_buses->nNum; i ++)
		{
			if (pMainWnd->m_environment.m_buses->pts[i].x < 0 || 
				pMainWnd->m_environment.m_buses->pts[i].y < 0)
				continue;
			else
				nCount ++;
		}
		POINT* pts = new POINT[nCount];
		int nTemp = 0;
		for (i=0; i<pMainWnd->m_environment.m_buses->nNum; i ++)
		{
			if (pMainWnd->m_environment.m_buses->pts[i].x < 0 || 
				pMainWnd->m_environment.m_buses->pts[i].y < 0)
				continue;
            
			MPoint pt = pMainWnd->m_environment.FromMapPoint(&m_map,
				        pMainWnd->m_environment.m_buses->pts[i].x,
						pMainWnd->m_environment.m_buses->pts[i].y);
			pts[nTemp].x = (long) pt.x;
			pts[nTemp].y = (long) pt.y;
			if(0 == nTemp)
			{
				m_map.CenterAt(pts[0].x, pts[0].y);
				pHawkView->m_HawkMap.SetExtent(pHawkView->m_HawkMap.GetExtent()); 
				RECT rect;
				rect.top = pts[0].y - 55; 
				rect.left= pts[0].x - 25;
				rect.bottom = pts[0].y - 20; 
				rect.right = pts[0].x + 25;
		    	DrawText((HDC)hDC,"起点站", -1, &rect, DT_SINGLELINE|DT_CENTER|DT_VCENTER);
			}
			if(nTemp > 0)
			{
                m_map.CenterAt(pts[nTemp].x, pts[nTemp].y);
				pHawkView->m_HawkMap.SetExtent(pHawkView->m_HawkMap.GetExtent()); 
				::Polyline((HDC)hDC, pts, nTemp+1);
				RECT rect;
				
		    	if(nTemp != pMainWnd->m_environment.m_buses->nNum-1)
				{
					rect.top = pts[nTemp].y - 20; 
					rect.left= pts[nTemp].x - 8;
					rect.bottom = pts[nTemp].y - 10; 
					rect.right = pts[nTemp].x + 8;
					char str[10] = "";
					itoa(nTemp, str, 10);
					DrawText((HDC)hDC,  str , -1, &rect, DT_SINGLELINE|DT_CENTER|DT_VCENTER);
				}
				else
				{
					rect.top = pts[nTemp].y - 55; 
					rect.left= pts[nTemp].x - 25;
					rect.bottom = pts[nTemp].y - 20; 
					rect.right = pts[nTemp].x + 25;
					DrawText((HDC)hDC,  "终点站" , -1, &rect, DT_SINGLELINE|DT_CENTER|DT_VCENTER);
				}
				Sleep(1200);
			}
			nTemp ++;
			
		}

		delete pts;
		pts = NULL;
		}
}
}

//为系统添加右键菜单

void CPublic_TGISView::OnContextMenu(CWnd* pWnd, CPoint point) 
{
	// TODO: Add your message handler code here
	CMenu menuPopup;
	if(menuPopup.CreatePopupMenu())
	{
		menuPopup.AppendMenu(MF_STRING, ID_MAP_ZOOMIN, "放大");
		menuPopup.AppendMenu(MF_STRING, ID_MAP_ZOOMOUT, "缩小");
		menuPopup.AppendMenu(MF_STRING, ID_MAP_FULLEXTENT, "全局地图");		
		menuPopup.AppendMenu(MF_STRING, ID_MAP_POINTSEL, "选择");
		menuPopup.AppendMenu(MF_STRING, ID_MAP_QUERY, "信息工具");
		menuPopup.AppendMenu(MF_STRING, ID_MAP_OUTPUT, "输出地图");
		menuPopup.AppendMenu(MF_STRING, ID_MAP_HELP, "帮助");

		//显示弹出式菜单,并对用户选择的菜单项作出反应
		menuPopup.TrackPopupMenu(TPM_LEFTALIGN,point.x,point.y,this);



	}
}