mapxsingleview.cpp

MapX的基本应用

// MapXSingleView.cpp : implementation of the CMapXSingleView class
//


#include "stdafx.h"
#include "MapXSingle.h"

#include "MapXSingleDoc.h"
#include "MapXSingleView.h"




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

/////////////////////////////////////////////////////////////////////////////
// CMapXSingleView

IMPLEMENT_DYNCREATE(CMapXSingleView, CView)

BEGIN_MESSAGE_MAP(CMapXSingleView, CView)
	//{{AFX_MSG_MAP(CMapXSingleView)
	ON_WM_CREATE()
	ON_WM_SIZE()
	ON_WM_SETFOCUS()
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_WM_DESTROY()
	ON_COMMAND(ID_ScanLayer, OnScanLayer)
	ON_COMMAND(ID_Tool_Spot, OnToolSpot)
	ON_COMMAND(ID_Create_Feature, OnCreateFeature)
	ON_COMMAND(ID_Delete_Feature, OnDeleteFeature)
	ON_COMMAND(ID_Find_Feature, OnFindFeature)
	ON_COMMAND(ID_Tool_Pan, OnToolPan)
	ON_COMMAND(ID_Tool_ZoomIn, OnToolZoomIn)
	ON_COMMAND(ID_Tool_ZoomOut, OnToolZoomOut)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

BEGIN_EVENTSINK_MAP(CMapXSingleView, CView)
	ON_EVENT(CMapXSingleView, IDC_MapX, MAPX_DISPID_TOOLUSED, OnToolUsed, 
				VTS_I2 VTS_R8 VTS_R8 VTS_R8 VTS_R8 VTS_R8 VTS_BOOL VTS_BOOL VTS_PBOOL)
END_EVENTSINK_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMapXSingleView construction/destruction

CMapXSingleView::CMapXSingleView()
{
	// TODO: add construction code here

}

CMapXSingleView::~CMapXSingleView()
{
}

BOOL CMapXSingleView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMapXSingleView drawing

void CMapXSingleView::OnDraw(CDC* pDC)
{
	CMapXSingleDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CMapXSingleView printing

BOOL CMapXSingleView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CMapXSingleView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CMapXSingleView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CMapXSingleView diagnostics

#ifdef _DEBUG
void CMapXSingleView::AssertValid() const
{
	CView::AssertValid();
}

void CMapXSingleView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CMapXSingleDoc* CMapXSingleView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMapXSingleDoc)));
	return (CMapXSingleDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMapXSingleView message handlers

//程序启动时，view窗口刚显示时，先于onSize和onSetfocus
int CMapXSingleView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	//创建mapx对象
	if (!m_mx.Create(NULL,WS_VISIBLE,CRect(0,0,100,100),this,IDC_MapX))
		return -1;
	
	//添加电子地图
	m_mx.SetGeoSet("天津.gst");
	//设置视角大小
	m_mx.SetZoom(1.5);
	m_mx.SetMousewheelSupport(miMousewheelNoAutoScroll);
	m_strFind="";
	return 0;
}

void CMapXSingleView::OnSize(UINT nType, int cx, int cy) 
{
	CView::OnSize(nType, cx, cy);
	
	// TODO: Add your message handler code here
	//始终让mapx充满整个view视图区显示
	if (cx!=0 && cy!=0) 
		m_mx.MoveWindow(0,0,cx,cy,true);
}

void CMapXSingleView::OnSetFocus(CWnd* pOldWnd) 
{
	CView::OnSetFocus(pOldWnd);
	// TODO: Add your message handler code here
	m_mx.SetFocus();//让mapx获取焦点
}

void CMapXSingleView::OnFileOpen() 
{
	// TODO: Add your command handler code here
	//打开文件选择对话框
	CFileDialog dlg(true);
	dlg.m_ofn.lpstrTitle="打开地图文件";
	dlg.m_ofn.lpstrFilter="gst files(*.gst)\0*.gst\0";
	if (dlg.DoModal())
	{
		//打开.gst文件
		m_mx.SetGeoSet(dlg.GetFileName());
		//设置视角和选择角度
		m_mx.SetZoom(200);
		m_mx.SetRotation(0);
	}
}

void CMapXSingleView::OnDestroy() 
{
	CView::OnDestroy();
	
	// TODO: Add your message handler code here
	
}
//显示图层对话框
void CMapXSingleView::OnScanLayer() 
{
	// TODO: Add your command handler code here
	/**/
	CDlgLayers dlg;
	dlg.p_mx=&m_mx;
	if (dlg.DoModal());
	{
		MessageBox("");
	}
	
}

//选定单选工具
void CMapXSingleView::OnToolSpot() 
{
	// TODO: Add your command handler code here
	m_mx.SetCurrentTool(miSelectTool);
}

//使用选择工具的事件
void CMapXSingleView::OnToolUsed(short ToolNum, double X1, double Y1, double X2, double Y2, 
								 double Distance, BOOL Shift, BOOL Ctrl, BOOL *EnableDefault)
{
	CString str;
	CMapXPoint m_mxp;
	CMapXFeatures m_mxfs;
	if (ToolNum==miSelectTool)
	{
		//创建点，mapx的元素都是继承自COleDispatchDriver
		m_mxp.CreateDispatch(m_mxp.GetClsid());
		m_mxp.Set(X1,Y1);//根据所选点的坐标创建
		//根据所选择区域（这里只选了一个点），创建图元集合
		int i=1;
		m_mxfs=m_mx.GetLayers().Item(i).SearchAtPoint(m_mxp);
		while (m_mxfs.GetCount()==0 && i<=m_mx.GetLayers().GetCount())
		{
			i=i+1;
			m_mxfs=m_mx.GetLayers().Item(i).SearchAtPoint(m_mxp);
		}
		
		if(m_mxfs.GetCount()==1)
		{
			CString str;
			str.Format("%f,%f",m_mxfs.Item(1).GetCenterX(),m_mxfs.Item(1).GetCenterY());
			MessageBox(m_mxfs.Item(1).GetName() +"_" + str);
		}
	}
}

//创建独立图元，并修改.gst
void CMapXSingleView::OnCreateFeature() 
{
	// TODO: Add your command handler code here
	CMapXFeature m_mxf,m_mxfn;
	try
	{
		//这是必须的，类似分配内存空间
		if(!m_mxf.CreateDispatch(m_mxf.GetClsid()))
		{
			TRACE0("创建对象失败!");
			return;
		}
		m_mxf.Attach(m_mx.GetDispatch());//将图元对象，与mapx关联
		m_mxf.SetType(miFeatureTypeText);//文本类型的图元
		m_mxf.GetPoint().Set(m_mx.GetCenterX(),m_mx.GetCenterY());//设置图元的位置
		m_mxf.SetCaption("I love you!");//设置图元的标题
		m_mxfn=m_mx.GetLayers().Item(1).AddFeature(m_mxf);//添加图元
		m_mxfn.Update();
	}
	catch (COleDispatchException *e)
	{
		e->ReportError();
		e->Delete();
	}
	catch (COleException *e) 
	{
		e->ReportError();
		e->Delete();
	}
}

//删除用户添加的文本类型图元
void CMapXSingleView::OnDeleteFeature() 
{
	// TODO: Add your command handler code here
	CMapXLayer m_mxl;
	CMapXFeatures m_mxfs;
	m_mxl=m_mx.GetLayers().Item(1);//获取图层
	m_mxfs=m_mxl.AllFeatures();//获取该图层图元集合
	int i,j;
	//循环将最后一个删除掉
	while(true)
	{
		i=m_mxfs.GetCount();//获取图元集合总数
		if (m_mxfs.Item(i).GetType()==miFeatureTypeText)
		{
			j=MessageBox("确实要删除 " + m_mxfs.Item(i).GetCaption() + "吗？","提醒",MB_YESNO|MB_ICONQUESTION);
			if(j==6)
				m_mxl.DeleteFeature(m_mxfs.Item(i));//删除图元
		}
		else
			break;
	}
	
	//遍历所有的图元
//	for(i=m_mxfs.GetCount();i>=1;i--)
//		if (m_mxfs.Item(i).GetType()==miFeatureTypeText)
//			MessageBox(m_mxfs.Item(i).GetCaption());
}

void CMapXSingleView::OnFindFeature() 
{
	// TODO: Add your command handler code here
	m_strFind="hello";
	/*
	if(m_DlgFind.Create(IDD_DLG_Find,this))
	{
		
		m_DlgFind.ShowWindow(true);
	}
	*/
}

void CMapXSingleView::OnToolPan() 
{
	// TODO: Add your command handler code here
	m_mx.SetCurrentTool(miPanTool);
}

void CMapXSingleView::OnToolZoomIn() 
{
	// TODO: Add your command handler code here
	m_mx.SetCurrentTool(miZoomInTool);
}

void CMapXSingleView::OnToolZoomOut() 
{
	// TODO: Add your command handler code here
	m_mx.SetCurrentTool(miZoomOutTool);
}