inforlistview.cpp

零基础学Visual.C....教案PPT.随书光盘-452M.zip

// InforListView.cpp : implementation file
//

#include "stdafx.h"
#include "Ch10Demo3.h"
#include "InforListView.h"
#include"Ch10Demo3Doc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CInforListView

IMPLEMENT_DYNCREATE(CInforListView, CListView)

CInforListView::CInforListView()
{
}

CInforListView::~CInforListView()
{
}


BEGIN_MESSAGE_MAP(CInforListView, CListView)
	//{{AFX_MSG_MAP(CInforListView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInforListView drawing

void CInforListView::OnDraw(CDC* pDC)
{
	CDocument* pDoc = GetDocument();
	// TODO: add draw code here
}

/////////////////////////////////////////////////////////////////////////////
// CInforListView diagnostics

#ifdef _DEBUG
void CInforListView::AssertValid() const
{
	CListView::AssertValid();
}

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

/////////////////////////////////////////////////////////////////////////////
// CInforListView message handlers

BOOL CInforListView::PreCreateWindow(CREATESTRUCT& cs) 
{
	// TODO: Add your specialized code here and/or call the base class
	cs.style=cs.style|LVS_REPORT;							//设置成报告列表显示
	return CListView::PreCreateWindow(cs);
}

void CInforListView::OnInitialUpdate() 
{
	CListView::OnInitialUpdate();
	
	// TODO: Add your specialized code here and/or call the base class
	CString m_ColumnLabelStr[] ={"起点","终点","类型"};			//表头字段
	CListCtrl& listctrl=GetListCtrl();//获取列表视控件
	LVCOLUMN col;
	col.mask = LVCF_WIDTH;
	if(!listctrl.GetColumn(0,&col))//列表视图控件没有创建列
	{
		listctrl.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES|LVS_EX_UNDERLINEHOT);																//列表风格
		int width[3]={80,80,110};									//各列的初始宽度
		for(int i=0; i<3; i++)
		{
			listctrl.InsertColumn(i, m_ColumnLabelStr[i], LVCFMT_LEFT, width[i]);		//设置表头
		}	
	}
}

void CInforListView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) 
{
	// TODO: Add your specialized code here and/or call the base class
	CCh10Demo3Doc* pDoc =(CCh10Demo3Doc*)GetDocument();		//获取文档指针
	CListCtrl& listctrl=GetListCtrl();									//获取列表控件
	listctrl.DeleteAllItems();										//删除所有项
	CString str1,str2,str3;
	if(!pDoc->m_graphlist.IsEmpty())									//链表不为空
	{
		POSITION pos = pDoc->m_graphlist.GetHeadPosition();					//获取链表头的位置
		for (int i=0;i<pDoc->m_graphlist.GetCount();i++)						//遍历链表
		{
			
			CGraph* m_pGraph= (CGraph*)pDoc->m_graphlist.GetNext(pos);
			str1.Format("(%d,%d)",m_pGraph->m_star.x,m_pGraph->m_star.y);//起点坐标
			str2.Format("(%d,%d)",m_pGraph->m_end.x,m_pGraph->m_end.y);//终点坐标
			switch (m_pGraph->m_type)
			{
				case 0:
				str3="直线";
					break;
				case 1:
				str3="矩形";
					break;
				case 2:
				str3="椭圆";
					break;
			}
			listctrl.InsertItem(i,str1);//添加数据
			listctrl.SetItemText(i,1,str2);
			listctrl.SetItemText(i,2,str3);
		}
	}
	
}