collegewizardview.cpp

这是我写的数据结构的课设

// CollegeWizardView.cpp : implementation of the CCollegeWizardView class
//
#include "stdafx.h"
#include "CollegeWizard.h"
#include "CollegeWizardDoc.h"
#include "CollegeWizardView.h"
#include "InsertVertexDlg.h"
#include "InsertPathDlg.h"
#include "Vertex.h"
#include "Path.h"
#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCollegeWizardView

IMPLEMENT_DYNCREATE(CCollegeWizardView, CScrollView)

BEGIN_MESSAGE_MAP(CCollegeWizardView, CScrollView)
	//{{AFX_MSG_MAP(CCollegeWizardView)
	ON_WM_MOUSEMOVE()
	ON_COMMAND(ID_EDIT_INSERT_VERTEX, OnEditInsertVertex)
	ON_WM_LBUTTONDOWN()
	ON_COMMAND(ID_EDIT_INSERT_PATH, OnEditInsertPath)
	ON_COMMAND(ID_EDIT_UPDATE, OnEditUpdate)
	ON_COMMAND(ID_VIEW_INFORMATION, OnViewInformation)
	ON_COMMAND(ID_VIEW_ALLPATHS, OnViewAllpaths)
	ON_COMMAND(ID_VIEW_SHORTESTPATH, OnViewShortestpath)
	ON_WM_RBUTTONDOWN()
	ON_COMMAND(ID_EDIT_DELETE, OnEditDelete)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCollegeWizardView construction/destruction

CCollegeWizardView::CCollegeWizardView()
{
	// TODO: add construction code here
	//m_pCmd = NULL;//清空命令类
	g_pView = this;
	m_cmdType = 0;
}

CCollegeWizardView::~CCollegeWizardView()
{
}

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

	return CScrollView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CCollegeWizardView drawing

void CCollegeWizardView::OnDraw(CDC* pDC)
{
	CCollegeWizardDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here	
	
	//调用文档类的绘图函数
	pDoc->Draw(pDC);
}

void CCollegeWizardView::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();

	CSize sizeTotal;
	// TODO: calculate the total size of this view
	sizeTotal.cx =	800;
	sizeTotal.cy = 1200;
	SetScrollSizes(MM_TEXT, sizeTotal);
}

/////////////////////////////////////////////////////////////////////////////
// CCollegeWizardView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CCollegeWizardView diagnostics

#ifdef _DEBUG
void CCollegeWizardView::AssertValid() const
{
	CScrollView::AssertValid();
}

void CCollegeWizardView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CCollegeWizardView message handlers

void CCollegeWizardView::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	//在状态栏显示鼠标当前位置
	CMainFrame * pWnd = (CMainFrame *)AfxGetMainWnd();
	pWnd->m_wndStatusBar.SetPaneInfo(2,ID_SEPARATOR,SBPS_NORMAL,45);
	CString strInfo;
	strInfo.Format("(%002d,%002d)",point.x,point.y);
	pWnd->m_wndStatusBar.SetPaneText(2,strInfo);

	CScrollView::OnMouseMove(nFlags, point);
}
/////////////////////////////////////////////////////////////////////////////
//相应鼠标左键单击
void CCollegeWizardView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CCollegeWizardDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	switch(m_cmdType)
	{	
		case ctInsertVertex://插入一新景点或建筑
			{
				//绘制点，将插入处的坐标变为红色
				CDC* pDC = g_pView->GetDC();				
				pDC->SetPixel(point,RGB(255,0,0));
				g_pView->ReleaseDC(pDC);//释放绘图设备指针
				//延时等待
				Sleep(250);				
				//为新景点或建筑申请新的空间
				class CVertex* newVertex = new CVertex(); 
				//弹出对话框输入新景点或建筑的初始数据
				CInsertVertexDlg newVertexDlg;
				if(IDOK == newVertexDlg.DoModal())
				{//以后要把单选按钮设成有一个为默认得；
					//如果对话框内 没有输入 内容会不会出错
					if(newVertexDlg.m_isConstructure == -1)
						//判断是景点或建筑,默认为建筑
						newVertex->SetIsSight(FALSE);
					else
						newVertex->SetIsSight(newVertexDlg.m_isConstructure);
					if(newVertexDlg.m_name.IsEmpty())
						//如果用户没有输入景点或建筑名
						newVertex->SetName("未知");
					else
						newVertex->SetName(newVertexDlg.m_name);
					if(newVertexDlg.m_finishedTime.IsEmpty())
						//如果用户没有输入景点或建筑完成时间
						newVertex->SetFinishedTime("未知");
					else
						newVertex->SetFinishedTime(newVertexDlg.m_finishedTime);						
					if(newVertexDlg.m_information.IsEmpty())
						//如果用户没有输入景点或建筑信息
						newVertex->SetInformation("未知");
					else
						newVertex->SetInformation(newVertexDlg.m_information);
					int serialNum = pDoc->nuaaWizard.GetTotalOfVertexs() + 1;
					newVertex->SetSerialNum(serialNum);	//自动为景点或建筑编号
					newVertex->SetLocation(point);		//存储景点或建筑位置坐标				
					//将该点插入nuaaWizard
					pDoc->nuaaWizard.InsertVertex(newVertex);
				}
				Invalidate(true);
				Clean();	//清空
				break;
			}
		case ctInsertPath1:
			{
				//不用nuaaWizard的isLocatedIn(),只用CVertex的
				//PATH中存储的CPoint为Vertex中的
				//判断是否有景点或建筑被选中,如被选中则用vertex得到被选中目标
				CVertex* vertex = g_pDoc->nuaaWizard.GetVertexList();
				pDoc->m_path = NULL;
				while(vertex)
				{//判断vertexpoint是否落在vertex内
					if(vertex->IsLocatedIn(point))
						break;
					vertex = vertex->GetNext();
				}
				if(vertex)//有景点或建筑被选中,vertex了得到被选中目标
				{
					pDoc->m_path = new CPath;//为新的道路申请空间
					//设置新道路的第一个端点
					pDoc->m_path->SetLocation1(vertex->GetLocation());
					//设置命令标志
					m_cmdType = ctInsertPath2;
					//在状态栏显示提示信息
					CMainFrame * pWnd = (CMainFrame *)AfxGetMainWnd();
					pWnd->m_wndStatusBar.SetPaneInfo(0,ID_SEPARATOR,SBPS_NORMAL,625);
					CString strInfo = "请在屏幕上选择您要插入道路的第二个端点(只能选择已经存在的景点或建筑)：";
					pWnd->m_wndStatusBar.SetPaneText(0,strInfo);
				}
				Invalidate(true);
				break;
			}
		case ctInsertPath2:
			{
				//判断是否有景点或建筑被选中,如被选中则用vertex得到被选中目标
				CVertex* vertex = pDoc->nuaaWizard.GetVertexList();
				while(vertex)
				{//判断vertexpoint是否落在vertex内
					if(vertex->IsLocatedIn(point))
						break;
					vertex = vertex->GetNext();
				}
				if(vertex)//有景点或建筑被选中,vertex了得到被选中目标
				{	//延时等待
					Sleep(300);
					//弹出对话框输入新道路的初始数据
					CInsertPathDlg newpathDlg;
					if(IDOK == newpathDlg.DoModal())
					{
						if(newpathDlg.m_name.IsEmpty())
							pDoc->m_path->SetName("未知");	
						else	
							pDoc->m_path->SetName(newpathDlg.m_name);
						//设置道路的第二个端点坐标
						pDoc->m_path->SetLocation2(vertex->GetLocation());
						//自动计算路径长度并存储
						pDoc->m_path->SetLength();
						//将新道路插入图中
						pDoc->nuaaWizard.InsertPath(g_pDoc->m_path);
						pDoc->m_path = NULL;//清空
						//设置命令标志
						m_cmdType = ctUnknown;
						//在状态栏提示道路插入成功
						CMainFrame * pWnd = (CMainFrame *)AfxGetMainWnd();
						pWnd->m_wndStatusBar.SetPaneInfo(0,ID_SEPARATOR,SBPS_NORMAL,625);
						CString strInfo = "已完成道路插入！";
						pWnd->m_wndStatusBar.SetPaneText(0,strInfo);
					}
					else//点击右键取消
						OnRButtonDown(nFlags,point);
				}
				Invalidate(true);