hawkview.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++

// HawkView.cpp : implementation file
//

#include "stdafx.h"
#include "Public_TGIS.h"
#include "HawkView.h"
#include "mainfrm.h"
#include "Environment.h"
#include "AppApi.h"
#include "Public_TGISView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CHawkView

IMPLEMENT_DYNCREATE(CHawkView, CFormView)

CHawkView::CHawkView()
	: CFormView(CHawkView::IDD)
{
	//{{AFX_DATA_INIT(CHawkView)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}

CHawkView::~CHawkView()
{
}

void CHawkView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHawkView)
	DDX_Control(pDX, IDC_HAWKMAP, m_HawkMap);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CHawkView, CFormView)
	//{{AFX_MSG_MAP(CHawkView)
	ON_WM_SIZE()
	ON_WM_SETFOCUS()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHawkView diagnostics

#ifdef _DEBUG
void CHawkView::AssertValid() const
{
	CFormView::AssertValid();
}

void CHawkView::Dump(CDumpContext& dc) const
{
	CFormView::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CHawkView message handlers

void CHawkView::OnSize(UINT nType, int cx, int cy) 
{
	CFormView::OnSize(nType, cx, cy);
	
	// TODO: Add your message handler code here
	if(m_HawkMap.m_hWnd)
	{
		m_HawkMap.SetWindowPos(0,0,0,cx,cy,SWP_NOZORDER);
	}
}

//-----------------------------------------------------------------------------------------
void CHawkView::LoadLayersForEagleEye()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	// 得到地图中的图层集合
	CMoLayers layers(m_HawkMap.GetLayers());
	// 清空图层集合，也即删除地图中的所有图层
	layers.Clear();
	m_HawkMap.SetScrollBars(false); 

	// 分点、线、多边形3类图层依次加入
	for (int i = 0; i < environment->m_nLayerNum; i ++)
	{
		CMoMapLayer layer;
		layer.CreateDispatch(TEXT("MapObjects2.MapLayer"));
        
		// 只加入大类属于北京纵览的图层
		if (environment->m_layerInfos[i].szType == "武汉纵览")
		{
			CMoGeoDataset gds;
			gds = environment->m_db.FindGeoDataset(
				environment->m_layerInfos[i].szFileName);
			layer.SetGeoDataset(gds);
			
			if (layer.GetValid() )
			{
				if (layer.GetShapeType() == moShapeTypePoint)
					continue;
				
				if (layer.GetShapeType() == moShapeTypeLine)
					continue;
				
				// 在图层集合中加入当前图层
				layers.Add(layer);				
				
				layer.GetSymbol().SetOutline(false);
				if (environment->m_layerInfos[i].nCharacterIndex >= 0 && 
					environment->m_layerInfos[i].nCharacterIndex <= 10)
				{
					layer.GetSymbol().SetStyle(
						(short)environment->m_layerInfos[i].nCharacterIndex);
				}
				else if (100 == environment->m_layerInfos[i].nCharacterIndex)
				{
					// 设置多边形图层的颜色
					SetPolygonLayerColor(layer, "名称","颜色",false);
				}						
	
				//设置颜色
				if (environment->m_layerInfos[i].nSymColor != 
					environment->SYMBOL_COLOR_NONE)
				{
					layer.GetSymbol().SetColor(
						environment->m_layerInfos[i].nSymColor);
				}				
			}
		}
	}
	
	m_HawkMap.SetExtent(m_HawkMap.GetFullExtent()); 
}
//--------------------------------------------------------------------------

BEGIN_EVENTSINK_MAP(CHawkView, CFormView)
    //{{AFX_EVENTSINK_MAP(CHawkView)
	ON_EVENT(CHawkView, IDC_HAWKMAP, 3 /* AfterLayerDraw */, OnAfterLayerDrawHawkmap, VTS_I2 VTS_BOOL VTS_I4)
	ON_EVENT(CHawkView, IDC_HAWKMAP, -605 /* MouseDown */, OnMouseDownHawkmap, VTS_I2 VTS_I2 VTS_I4 VTS_I4)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

//-----------------------------------------------------------------------------------------
// 在鹰眼地图上绘制一矩形，用于表示当前在地图中显示范围
void CHawkView::OnAfterLayerDrawHawkmap(short index, BOOL canceled, long hDC) 
{
	// TODO: Add your control notification handler code here
	if(index != 0)
		return;

	// 构造一符号对象
	CMoSymbol sym;
	sym.CreateDispatch(_T("MapObjects2.Symbol"));
	sym.SetOutlineColor(moRed);
	sym.SetOutline(TRUE);
	sym.SetSymbolType(moFillSymbol);
	sym.SetStyle(moTransparentFill);
    
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CPublic_TGISView* pMapView = (CPublic_TGISView*)(pMainWnd->m_wndSplitter.GetPane(0,0));
	// 利用构建的符号绘制表示地图显示范围的矩形
	m_HawkMap.DrawShape(pMapView->m_map.GetExtent(), sym);
	FocusOnMain();
}


void CHawkView::OnMouseDownHawkmap(short Button, short Shift, long X, long Y) 
{
	// TODO: Add your control notification handler code here
	// 构建一符号对象
	CMoSymbol sym;
	sym.CreateDispatch(_T("MapObjects2.Symbol"));
	sym.SetOutlineColor(moRed);
	sym.SetOutline(TRUE);
	sym.SetSymbolType(moFillSymbol);	
	sym.SetStyle(moTransparentFill);

	CMoPoint point;
	point = m_HawkMap.ToMapPoint((float)X, (float)Y);
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CPublic_TGISView* pMapView = (CPublic_TGISView*)(pMainWnd->m_wndSplitter.GetPane(0,0));
	// 将地图窗口中的地图的中心点设置为鼠标单击位置处
	pMapView->m_map.CenterAt(point.GetX(), point.GetY());
	
	m_HawkMap.SetExtent(m_HawkMap.GetExtent());
	FocusOnMain();
}
//-----------------------------------------------------------------------

void CHawkView::FocusOnMain()
{
   CMainFrame* pFrame=(CMainFrame*)GetParentFrame();
	pFrame->SetActiveView((CView*)(pFrame->m_wndSplitter).GetPane(0,0));
}

void CHawkView::OnSetFocus(CWnd* pOldWnd) 
{
	CFormView::OnSetFocus(pOldWnd);
	
	// TODO: Add your message handler code here
	FocusOnMain();
}