identifydlg.cpp

在vc环境下

// CIdentifyDlg.cpp : Implementation of CCIdentifyDlg

#include "stdafx.h"
#include "IdentifyDlg.h"
#include ".\identifydlg.h"

//#include "Raster.h"
//#include "ShapeFile.h"

// CIdentifyDlg

void CIdentifyDlg::Show(const IPointPtr& cpPoint,const IActiveViewPtr& cpActiveView,BOOL bAdd)
{

	if (NULL==cpPoint||NULL==cpActiveView)
		return;
	HRESULT hr;
	try
	{
		IPointPtr		 mcpPoint;
		IActiveViewPtr mcpActiveView;
		mcpPoint=cpPoint;
		mcpActiveView=cpActiveView;

		IMapPtr cpMap;
		cpMap=mcpActiveView;

		long count;
		hr=cpMap->get_LayerCount(&count);
		if (0==count)      //no layer in the map
		{
			ShowHelp(mcpActiveView);
			return;
		}

		ShowPostion(mcpPoint);
		
	}
	catch (_com_error &e) 
	{
		GeoBase::Dealerror(e);
	}
	
}

void CIdentifyDlg::ShowLayer(const IActiveViewPtr& cpActiveView)
{

}

void CIdentifyDlg::ShowList(const IFeaturePtr& cpFeature)
{
}

void CIdentifyDlg::ShowTree(const std::vector<IFeaturePtr>& cpFeatures,
							const IFeaturePtr& cpCloestFeature,
							BOOL bAdd)
{

}
void CIdentifyDlg::ShowHelp(const IActiveViewPtr& cpActiveView)
{
	
}

void CIdentifyDlg::ShowPostion(const IPointPtr& cpPoint)
{
	HRESULT hr;
	DOUBLE x,y;
	hr=cpPoint->get_X(&x);
	hr=cpPoint->get_Y(&y);

	char buffer[200];
	sprintf(buffer,"%f,%f",x,y);

	CString text=_T("位置：");
	text+=buffer;

	m_winStatic.SetWindowText(text);

}

//Get the Features around at cpPoint
void CIdentifyDlg::GetCloestFeature(const IActiveViewPtr& cpActiveView,
									const IPointPtr& cpPoint,
									std::vector<IFeaturePtr>& vecFeatures,
									const IFeaturePtr& cpCloestFeature)
{
	IEnvelopePtr cpEnvelope;
	HRESULT hr;
	hr=cpPoint->get_Envelope(&cpEnvelope);
	assert(SUCCEEDED(hr));

	DOUBLE dblDist;
	dblDist=4; //4 pixels is a reasonable amount
	dblDist=GeoBase::ConvertPixelsToMapUnits(cpActiveView,dblDist);

	hr=cpEnvelope->put_Width(dblDist);
	hr=cpEnvelope->put_Height(dblDist);
	hr=cpEnvelope->CenterAt(cpPoint);



}

void CIdentifyDlg::set_isShow(BOOL show)
{
	m_isShow=show;
}

BOOL CIdentifyDlg::get_isShow()
{
	return m_isShow;
}
LRESULT CIdentifyDlg::OnSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
{
	// TODO: Add your message handler code here and/or call default
	DWORD cx=LOWORD(lParam);
	DWORD cy=HIWORD(lParam);

	if (m_winListCtl&&m_winTreeCtl&&m_winStatic)
	{
		RECT TreeRect;
		m_winTreeCtl.GetWindowRect(&TreeRect);
		
		RECT ListRect;
		m_winListCtl.GetWindowRect(&ListRect);

		RECT StaticRect;
		m_winStatic.GetWindowRect(&StaticRect);

		cy=cy-45;
		if (cy>0)
		{
			m_winTreeCtl.MoveWindow(5,40,TreeRect.right-TreeRect.left,cy);
		}

		cx=cx-15-(TreeRect.right-TreeRect.left);
		cy=cy-22;
		if (cx>0&&cy>0)
		{
			m_winListCtl.MoveWindow(10+(TreeRect.right-TreeRect.left),62,cx,cy);
		}

		if (cx>0)
		{
			m_winStatic.MoveWindow(10+(TreeRect.right-TreeRect.left),40,cx,17);
		}
	}


	return 0;
}