绘图程序

开发平台：
Visual C++

MyFileLayer.cpp：源码内容
							#include "stdafx.h"
#include "MyFileLayer.h"
IMPLEMENT_SERIAL(CFileLayer, CObject, 1)
CFileLayer::CFileLayer(CString name, BOOL show, BOOL locked)
{
	m_name = name;
	m_show = show;
	m_locked = locked;
}
CFileLayer::operator =(const CFileLayer& Layer)
{
	m_name = Layer.m_name;
	m_show = Layer.m_show;
	m_locked = Layer.m_locked;
}
void CFileLayer::SetShow(BOOL flag)
{
	m_show = flag;
}
void CFileLayer::SetLocked(BOOL flag)
{
	m_locked = flag;
}
void CFileLayer::SetName(CString name)
{
	m_name = name;
}	
CString CFileLayer::GetName()
{
	return m_name;
}
BOOL CFileLayer::IsShow()
{
	return m_show;
}
BOOL CFileLayer::IsLocked()
{
	return m_locked;
}
void CFileLayer::Serialize(CArchive& ar)
{
	if(ar.IsStoring())
	{
		ar << m_name << m_show << m_locked;
	}
	else
	{
		ar >> m_name >> m_show >> m_locked;
	}
}
///////////////////////////////////////////////////////////////////////////////////////
CManageFileLayer::CManageFileLayer()
{
	CurrentLayerName = "";
}
CManageFileLayer::~CManageFileLayer()
{
	for(int i = 0; i < m_LayerArray.GetSize(); i++)
		delete (CFileLayer*)m_LayerArray.GetAt(i);
    m_LayerArray.RemoveAll();
}
UINT CManageFileLayer::GetLayerNum()
{
	return m_LayerArray.GetSize();
}
void CManageFileLayer::Serialize(CArchive& ar)
{
	if(ar.IsStoring())
	{
		ar << CurrentLayerName;
	}
	else
	{
		ar >> CurrentLayerName;
	}
	m_LayerArray.Serialize(ar);
}
void CManageFileLayer::AddLayer(CString name, BOOL show, BOOL locked)
{
	CFileLayer* pLayer;
	pLayer = new CFileLayer(name, show, locked);
	m_LayerArray.Add(pLayer);
}
void CManageFileLayer::DelLayer(CString name)
{
	for(int i = 0; i < m_LayerArray.GetSize(); i++)
	{
		CFileLayer* pLayer = (CFileLayer*)m_LayerArray.GetAt(i);
		if(pLayer->GetName() == name)
		{
			delete pLayer;
			m_LayerArray.RemoveAt(i);
			return;
		}
	}
}
CFileLayer*  CManageFileLayer::GetLayer(int index)
{
	ASSERT(index >= 0 && index < m_LayerArray.GetSize());
    return (CFileLayer*)m_LayerArray.GetAt(index);
}
CFileLayer*  CManageFileLayer::GetLayer(CString name)
{
	for(int i = 0; i < m_LayerArray.GetSize(); i++)
	{
		CFileLayer* pLayer = (CFileLayer*)m_LayerArray.GetAt(i);
		if(pLayer->GetName() == name)
		{
			return pLayer;
		}
	}
	return NULL;
}
void CManageFileLayer::SetCurrentLayerName(CString name)
{
	CurrentLayerName = name;
}
CString CManageFileLayer::GetCurrentLayerName()
{
	return CurrentLayerName;
}
/////////////////////////////////////////////////////////////////////////////
// CFileLayerDlg dialog
CFileLayerDlg::CFileLayerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFileLayerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFileLayerDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}
void CFileLayerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFileLayerDlg)
	DDX_Control(pDX, IDC_NAME, m_name);
	DDX_Control(pDX, IDC_LAYERLIST, m_LayerList);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CFileLayerDlg, CDialog)
	//{{AFX_MSG_MAP(CFileLayerDlg)
	ON_BN_CLICKED(IDC_NEW, OnNew)
	ON_BN_CLICKED(IDC_DELETE, OnDelete)
	ON_NOTIFY(NM_DBLCLK, IDC_LAYERLIST, OnDblclkLayerlist)
	ON_NOTIFY(LVN_ENDLABELEDIT, IDC_LAYERLIST, OnEndlabeleditLayerlist)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CFileLayerDlg message handlers
BOOL CFileLayerDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	NewFlag = FALSE;
	m_name.SetWindowText(FileName);
	CImageList  m_ImageList;
	
	m_ImageList.Create(16, 16, ILC_MASK, 2, 2);
	m_LayerList.SetExtendedStyle(LVS_EX_SUBITEMIMAGES | LVS_EX_FULLROWSELECT);
	m_ImageList.Add(AfxGetApp()->LoadIcon(IDI_LAYER));
	m_ImageList.Add(AfxGetApp()->LoadIcon(IDI_LOCKFLAG));
	m_ImageList.Add(AfxGetApp()->LoadIcon(IDI_UNLOCKFLAG));
	m_ImageList.Add(AfxGetApp()->LoadIcon(IDI_SHOWFLAG));
	m_ImageList.Add(AfxGetApp()->LoadIcon(IDI_HIDEFLAG));
	m_ImageList.Add(AfxGetApp()->LoadIcon(IDI_CURRENTFLAG));
	m_ImageList.Add(AfxGetApp()->LoadIcon(IDI_NOCURRENTFLAG));
	
	m_LayerList.SetImageList(&m_ImageList, LVSIL_SMALL);
	m_ImageList.Detach();
	int width;
	CRect rect;
	m_LayerList.GetClientRect(&rect);
	width = rect.Width() / 4;
	m_LayerList.InsertColumn(0, "名称", LVCFMT_LEFT, width);
	m_LayerList.InsertColumn(1, "显示", LVCFMT_LEFT, width);
	m_LayerList.InsertColumn(2, "锁定", LVCFMT_LEFT, width);
	m_LayerList.InsertColumn(3, "当前层", LVCFMT_LEFT, width);
	for(int i = 0; i < (int)pManageFileLayer->GetLayerNum(); i++)
	{
		m_LayerList.InsertItem(i, pManageFileLayer->GetLayer(i)->GetName());
	
		if(pManageFileLayer->GetLayer(i)->IsShow())
			m_LayerList.SetItem(i, 1, LVIF_TEXT | LVIF_IMAGE, "是", ICON_SHOWFLAG, 0, 0, LVIF_PARAM);
		else
			m_LayerList.SetItem(i, 1, LVIF_TEXT | LVIF_IMAGE, "否", ICON_HIDEFLAG, 0, 0, LVIF_PARAM);
		if(pManageFileLayer->GetLayer(i)->IsLocked())
			m_LayerList.SetItem(i, 2, LVIF_TEXT | LVIF_IMAGE, "是", ICON_LOCKFLAG, 0, 0, LVIF_PARAM);
		else
			m_LayerList.SetItem(i, 2, LVIF_TEXT | LVIF_IMAGE, "否", ICON_UNLOCKFLAG, 0, 0, LVIF_PARAM);
		if(pManageFileLayer->GetLayer(i)->GetName() == pManageFileLayer->GetCurrentLayerName())
			m_LayerList.SetItem(i, 3, LVIF_TEXT | LVIF_IMAGE, "是", ICON_CURRENTFLAG, 0, 0, LVIF_PARAM);
		else
			m_LayerList.SetItem(i, 3, LVIF_TEXT | LVIF_IMAGE, "否", ICON_NOCURRENTFLAG, 0, 0, LVIF_PARAM);
	}
	return TRUE;  
}
void CFileLayerDlg::Create(CString name, CManageFileLayer* pManageLayer)
{
	FileName = name;
	pManageFileLayer = pManageLayer;
	DoModal();
}
void CFileLayerDlg::OnNew() 
{
	m_LayerList.SetActiveWindow();
	NewFlag = TRUE;
	m_LayerList.InsertItem(m_LayerList.GetItemCount(), "基层", 0);
	m_LayerList.SetItem(m_LayerList.GetItemCount() - 1, 1, LVIF_TEXT | LVIF_IMAGE, "是", ICON_SHOWFLAG, 0, 0, LVIF_PARAM);
	m_LayerList.SetItem(m_LayerList.GetItemCount() - 1, 2, LVIF_TEXT | LVIF_IMAGE, "否", ICON_UNLOCKFLAG, 0, 0, LVIF_PARAM);
    m_LayerList.SetItem(m_LayerList.GetItemCount() - 1, 3, LVIF_TEXT | LVIF_IMAGE, "否", ICON_NOCURRENTFLAG, 0, 0, LVIF_PARAM);
	//设置焦点在m_LayerList
	m_LayerList.SetFocus();
	//编辑标题
	CEdit* pEdit = m_LayerList.EditLabel(m_LayerList.GetItemCount() - 1);
}
void CFileLayerDlg::OnDelete() 
{
	m_LayerList.GetFirstSelectedItemPosition();
	POSITION pos = m_LayerList.GetFirstSelectedItemPosition();
	if (pos == NULL)
		return;
	else
	{
		while (pos)
		{
			int index = m_LayerList.GetNextSelectedItem(pos);
			CString name = m_LayerList.GetItemText(index, 0);
			m_LayerList.DeleteItem(index);		
			pManageFileLayer->DelLayer(name);
			//如果删除了当前层，设置当前层为空
			if(name == pManageFileLayer->GetCurrentLayerName())
				pManageFileLayer->SetCurrentLayerName("");
		 }
	}
}
void CFileLayerDlg::OnDblclkLayerlist(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_LISTVIEW*  pListView = (NM_LISTVIEW*)pNMHDR;
	CString layername;
	CFileLayer* pLayer;
	
	if(pListView->iSubItem == 0)
		//如果双击第一项，则编辑图层的名字
		m_LayerList.EditLabel(pListView->iItem);
	else
	{
		layername = m_LayerList.GetItemText(pListView->iItem, 0);
		pLayer = pManageFileLayer->GetLayer(layername);
		ASSERT(pLayer != NULL);
		switch(pListView->iSubItem)
		{
		case 1:
			if(pLayer->IsShow())
			{
				m_LayerList.SetItem(pListView->iItem, pListView->iSubItem, LVIF_TEXT | LVIF_IMAGE, "否", ICON_HIDEFLAG, 0, 0, LVIF_PARAM);
				pLayer->SetShow(FALSE);
			}
			else
			{
				m_LayerList.SetItem(pListView->iItem, pListView->iSubItem, LVIF_TEXT | LVIF_IMAGE, "是", ICON_SHOWFLAG, 0, 0, LVIF_PARAM);
				pLayer->SetShow(TRUE);
			}
			break;
		case 2:
			if(pLayer->IsLocked())
			{
				m_LayerList.SetItem(pListView->iItem, pListView->iSubItem, LVIF_TEXT | LVIF_IMAGE, "否", ICON_UNLOCKFLAG, 0, 0, LVIF_PARAM);
                pLayer->SetLocked(FALSE);
			}
			else
			{
				m_LayerList.SetItem(pListView->iItem, pListView->iSubItem, LVIF_TEXT | LVIF_IMAGE, "是", ICON_LOCKFLAG, 0, 0, LVIF_PARAM);
                pLayer->SetLocked(TRUE);
			}
			break;
		case 3:
			pManageFileLayer->SetCurrentLayerName(layername);
			for(int i =0; i < m_LayerList.GetItemCount(); i++)
			{
				if(m_LayerList.GetItemText(i, 0) == layername)
					m_LayerList.SetItem(i, 3, LVIF_TEXT | LVIF_IMAGE, "是", ICON_CURRENTFLAG, 0, 0, LVIF_PARAM);
				else
					m_LayerList.SetItem(i, 3, LVIF_TEXT | LVIF_IMAGE, "否", ICON_NOCURRENTFLAG, 0, 0, LVIF_PARAM);
			}
            break;  
		}
	}
	*pResult = 0;
}
void CFileLayerDlg::OnEndlabeleditLayerlist(NMHDR* pNMHDR, LRESULT* pResult) 
{
	LV_DISPINFO* pDispInfo = (LV_DISPINFO*)pNMHDR;
    CString oldname = m_LayerList.GetItemText(pDispInfo->item.iItem, 0);;
	CFileLayer* pLayer;
	CString newname = pDispInfo->item.pszText;
	if(newname.IsEmpty())
		newname = oldname;
	for(int i = 0; i < m_LayerList.GetItemCount() - 1; i++)
	{
	    if(i == pDispInfo->item.iItem)
		   continue;
		CString tempname = m_LayerList.GetItemText(i, 0);
		if(tempname == newname)
		{
			if(m_LayerList.MessageBox("图层名不能重复！", "错误", MB_OK
			   | MB_ICONERROR) == 1)
			{
			   m_LayerList.SetFocus();
			   CEdit* pEdit = m_LayerList.EditLabel(pDispInfo->item.iItem);
			   break;
			}
		}
	}
    if(NewFlag == FALSE)
	{
		//获取图层指针
		pLayer = pManageFileLayer->GetLayer(oldname);
		m_LayerList.SetItemText(pDispInfo->item.iItem, 0, newname);
		pLayer->SetName(newname);
	}
    //如果是新建图层时编辑标题 
	else
	{
		m_LayerList.SetItemText(pDispInfo->item.iItem, 0, newname);
		pManageFileLayer->AddLayer(newname, TRUE, FALSE);
		NewFlag = FALSE;
	}
	*pResult = 0;
}

						