// SendView.cpp : implementation file
//

#include "stdafx.h"
#include "ChatClient.h"

#include "ChatClientDoc.h"//添加的代碼
#include "SendView.h"

#include <stdlib.h>

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

/////////////////////////////////////////////////////////////////////////////
// CSendView

IMPLEMENT_DYNCREATE(CSendView, CEditView)

CSendView::CSendView()
{
	m_TimerID = 0;
}

CSendView::~CSendView()
{
}


BEGIN_MESSAGE_MAP(CSendView, CEditView)
	//{{AFX_MSG_MAP(CSendView)
	ON_WM_CHAR()
	ON_WM_TIMER()
	ON_COMMAND(ID_FILE_LEAVE, OnFileLeave)
	ON_UPDATE_COMMAND_UI(ID_FILE_LEAVE, OnUpdateFileLeave)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSendView drawing

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

/////////////////////////////////////////////////////////////////////////////
// CSendView diagnostics

#ifdef _DEBUG
void CSendView::AssertValid() const
{
	CEditView::AssertValid();
}

void CSendView::Dump(CDumpContext& dc) const
{
	CEditView::Dump(dc);
}

CChatClientDoc* CSendView::GetDocument() // non-debug version is inline
{
	return STATIC_DOWNCAST(CChatClientDoc, m_pDocument);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CSendView message handlers

BOOL CSendView::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	if (m_TimerID != 0)
		KillTimer(m_TimerID);
	
	return CEditView::DestroyWindow();
}

BOOL CSendView::PreCreateWindow(CREATESTRUCT& cs) 
{
	// TODO: Add your specialized code here and/or call the base class
		BOOL ret = CEditView::PreCreateWindow(cs);
	cs.style = AFX_WS_DEFAULT_VIEW | WS_VSCROLL | ES_AUTOHSCROLL |
		ES_AUTOVSCROLL | ES_MULTILINE | ES_NOHIDESEL;
	return ret;	
}

void CSendView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
    //當不是回車鍵時，通過父類的實現函數處理即可
	if ((nChar != VK_RETURN) || (nRepCnt!=1))
	{
		CEditView::OnChar(nChar, nRepCnt, nFlags);
		return;
	}
	//如果是回車鍵
	else
	{
		//得到文檔類的指針，同時確保它是非空的
		CChatClientDoc* pDoc = GetDocument();
		ASSERT_VALID(pDoc);

		CString strText;
		//得到發送窗口里的要發送的字符串
 		GetEditCtrl().GetWindowText(strText);
        //調用SendMsg函數進行發送
		pDoc->SendMsg(strText);
        //字符串發送成功后將發送窗口的 內容清空
		strText=_T("");
		GetEditCtrl().SetWindowText(strText);
	}
	CEditView::OnChar(nChar, nRepCnt, nFlags);
}

void CSendView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	CChatClientDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	if (pDoc->m_bAutoChat)
	{
		CString temp =TakeString();

		if (!temp.IsEmpty())
			pDoc->SendMsg(temp);
	}
	else
	{
		KillTimer(m_TimerID);
		m_TimerID = 0;
	}
	
	CEditView::OnTimer(nIDEvent);
}

void CSendView::OnFileLeave() 
{
	// TODO: Add your command handler code here
	//在這里通知文檔類：
	//完成自動的從String資源里得到相應的字符串
	//然后發送出去
	CChatClientDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	if (!pDoc->m_bAutoChat)
	{
		pDoc->m_bAutoChat = TRUE;
		m_TimerID = SetTimer(1, 1000, NULL);
	}
	else
	{
		pDoc->m_bAutoChat = FALSE;
		KillTimer(m_TimerID);
	}

}

void CSendView::OnUpdateFileLeave(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	CChatClientDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	
	pCmdUI->SetCheck(pDoc->m_bAutoChat);
}

CString CSendView::TakeString()
{
	CString strResult;
	strResult.LoadString(IDS_LEAVE);
	return strResult;
}