scgeoexpertview.cpp

这份源码由MapX5.02所附的C++源码改写而来。其独特之处在于

// ScGeoExpertView.cpp : implementation of the CScGeoExpertView class
//

#include "stdafx.h"
#include "ScGeoExpert.h"

#include "ScGeoExpertDoc.h"
#include "ScGeoExpertView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CScGeoExpertView

IMPLEMENT_DYNCREATE(CScGeoExpertView, CView)

BEGIN_MESSAGE_MAP(CScGeoExpertView, CView)
	//{{AFX_MSG_MAP(CScGeoExpertView)
	ON_WM_CREATE()
	ON_WM_SIZE()
	ON_WM_SETFOCUS()
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_MAP_TOOL_PAN, OnMapToolPan)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_PAN, OnUpdateMapToolPan)
	ON_COMMAND(ID_MAP_TOOL_ARROW, OnMapToolArrow)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_ARROW, OnUpdateMapToolArrow)
	ON_COMMAND(ID_MAP_TOOL_ZOOMIN, OnMapToolZoomin)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_ZOOMIN, OnUpdateMapToolZoomin)
	ON_COMMAND(ID_MAP_TOOL_ZOOMOUT, OnMapToolZoomout)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_ZOOMOUT, OnUpdateMapToolZoomout)
	ON_COMMAND(ID_MAP_TOOL_SELECT, OnMapToolSelect)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_SELECT, OnUpdateMapToolSelect)
	ON_COMMAND(ID_MAP_TOOL_RECTANGLESELECT, OnMapToolRectangleselect)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_RECTANGLESELECT, OnUpdateMapToolRectangleselect)
	ON_COMMAND(ID_MAP_TOOL_RADIUSSELECT, OnMapToolRadiusselect)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_RADIUSSELECT, OnUpdateMapToolRadiusselect)
	ON_COMMAND(ID_MAP_TOOL_CENTER, OnMapToolCenter)
	ON_UPDATE_COMMAND_UI(ID_MAP_TOOL_CENTER, OnUpdateMapToolCenter)
	ON_COMMAND(ID_MAP_TOOL_ENTIRE, OnMapToolEntire)
	ON_COMMAND(ID_VIEW_LAYERCONTROL, OnViewLayercontrol)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CScGeoExpertView construction/destruction

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

}

CScGeoExpertView::~CScGeoExpertView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CScGeoExpertView drawing

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

/////////////////////////////////////////////////////////////////////////////
// CScGeoExpertView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CScGeoExpertView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CScGeoExpertView message handlers

int CScGeoExpertView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	RECT windRect;
	GetClientRect(& windRect);
	if (!m_ctrlMapX.Create(NULL,WS_VISIBLE,windRect,this,IDC_MAP))
	{
		return -1;
	}
	
	return 0;
}

void CScGeoExpertView::OnSize(UINT nType, int cx, int cy) 
{
	CView::OnSize(nType, cx, cy);
	
	// TODO: Add your message handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		m_ctrlMapX.MoveWindow(0,0,cx,cy,true);
	}
	
}

void CScGeoExpertView::OnSetFocus(CWnd* pOldWnd) 
{
	CView::OnSetFocus(pOldWnd);
	
	// TODO: Add your message handler code here
	m_ctrlMapX.SetFocus();
	
}

static char BASED_CODE szTabFilter[] 
		= "MapInfo Map Files (*.gst)|*.gst|All Files (*.*)|*.*||";

void CScGeoExpertView::OnFileOpen() 
{
	// TODO: Add your command handler code here
	CFileDialog dlgfile(TRUE, "*.gst", NULL, OFN_HIDEREADONLY, szTabFilter, this);
	dlgfile.m_ofn.lpstrTitle = "Open MapInfo Map";

	if (dlgfile.DoModal() == IDCANCEL)
		return;

	m_strFilePath = dlgfile.GetPathName();

	try {
		// Close the existing set of map layers and load the Canada map
		TRACE0("Old Geoset: " + m_ctrlMapX.GetGeoSet());
		m_ctrlMapX.SetGeoSet(m_strFilePath);
		//m_ctrlMapX.SetTitleText("");
		TRACE0("New Geoset: " + m_ctrlMapX.GetGeoSet());
		
	} 
	catch (COleDispatchException *e) {
		e->ReportError();
		e->Delete();
	} 
	catch (COleException *e) {
		e->ReportError();
		e->Delete();
	}
}

void CScGeoExpertView::OnMapToolPan() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miPanTool);
	
}

void CScGeoExpertView::OnUpdateMapToolPan(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	}
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miPanTool);
	
}

void CScGeoExpertView::OnMapToolArrow() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miArrowTool);	
}

void CScGeoExpertView::OnUpdateMapToolArrow(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	} 
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miArrowTool);
	
}

void CScGeoExpertView::OnMapToolZoomin() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miZoomInTool);
	
}

void CScGeoExpertView::OnUpdateMapToolZoomin(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	} 
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miZoomInTool);
}

void CScGeoExpertView::OnMapToolZoomout() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miZoomOutTool);	
}

void CScGeoExpertView::OnUpdateMapToolZoomout(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	} 
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miZoomOutTool);
	
}

void CScGeoExpertView::OnMapToolSelect() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miSelectTool);	
}

void CScGeoExpertView::OnUpdateMapToolSelect(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	} 
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miSelectTool);	
}

void CScGeoExpertView::OnMapToolRectangleselect() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miRectSelectTool);	
}

void CScGeoExpertView::OnUpdateMapToolRectangleselect(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	} 
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miRectSelectTool);
	
}

void CScGeoExpertView::OnMapToolRadiusselect() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miRadiusSelectTool);	
}

void CScGeoExpertView::OnUpdateMapToolRadiusselect(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	} 
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miRadiusSelectTool);	
}

void CScGeoExpertView::OnMapToolCenter() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetCurrentTool(miCenterTool);	
}

void CScGeoExpertView::OnUpdateMapToolCenter(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if (m_ctrlMapX.m_hWnd != NULL)
	{
		pCmdUI->Enable(TRUE);
	} 
	else
	{
		pCmdUI->Enable(FALSE);
	}
	pCmdUI->SetCheck(m_ctrlMapX.GetCurrentTool() == miCenterTool);	
}

void CScGeoExpertView::OnMapToolEntire() 
{
	// TODO: Add your command handler code here
	m_ctrlMapX.SetGeoSet(m_strFilePath);	
}

void CScGeoExpertView::OnViewLayercontrol() 
{
	// TODO: Add your command handler code here
	try {
		VARIANT vHelpFile, vHelpID;		// mark as optional since we don't have a helpfile
		vHelpFile.vt = VT_ERROR;
		vHelpFile.scode = DISP_E_PARAMNOTFOUND;
		vHelpID.vt = VT_ERROR;
		vHelpID.scode = DISP_E_PARAMNOTFOUND;
		CMapXLayers layers = m_ctrlMapX.GetLayers();
		layers.LayersDlg(vHelpFile, vHelpID);
	}
	catch (COleDispatchException *e) {
		e->ReportError();
		e->Delete();
	}
	catch (COleException *e) {
		e->ReportError();
		e->Delete();
	}
	
}