rxedit.cpp

用Visual c++实现汽配件管理系统

// RxEdit.cpp : implementation file
//

#include "stdafx.h"
#include "qpglxt.h"
#include "RxEdit.h"
#include "RxGrid.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
# define EGRID 9999
/////////////////////////////////////////////////////////////////////////////
// RxEdit

RxEdit::RxEdit()
{
	this->IsShowing=false;
	this->Init=false;
	EnterNumber=0;
	PopHide=false;
}

RxEdit::~RxEdit()
{
	m_Grid.DestroyWindow();
}


BEGIN_MESSAGE_MAP(RxEdit, CEdit)
	//{{AFX_MSG_MAP(RxEdit)
	ON_CONTROL_REFLECT(EN_CHANGE, OnChange)
	ON_CONTROL_REFLECT(EN_KILLFOCUS, OnKillfocus)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// RxEdit message handlers

void RxEdit::ShowGrid()
{
	this->AutoPosition();
	m_Grid.ShowWindow(SW_SHOW);
	this->IsShowing=true;
}

bool RxEdit::Initialize(CWnd *cParent)
{
	Parent=cParent;
	try{
		m_Grid.Create(WS_BORDER,CRect(0,0,200,200),cParent,EGRID);
	}
	catch(...)
	{
		return false;
	}
	this->ModifyStyle(LVS_EDITLABELS,0L); //标题栏不可编辑
	m_Grid.ModifyStyle(0L,LVS_REPORT);     
	m_Grid.ModifyStyle(0L,LVS_SHOWSELALWAYS);    //高亮显示被选中项
	m_Grid.SetExtendedStyle(LVS_EX_FULLROWSELECT| //允许整行选中
		LVS_EX_HEADERDRAGDROP|  //允许整列拖动
		LVS_EX_GRIDLINES|     //画出网格线
		LVS_EX_ONECLICKACTIVATE|     //单击选中项
		LVS_EX_FLATSB);    //扁平风格显示滚动条
	m_Grid.SetBkColor(RGB(255,255,230));
	m_Grid.SetTextBkColor(RGB(255,255,230));
	return true;
}

void RxEdit::SetRecordset(RxRecordset prst)
{
	int cols[255];
	this->m_Grid.GetColumnOrderArray(&cols[0]);
	for(int i=0;i<255;i++)
	{
		if(cols[i]==-858993460)
			break;
		m_Grid.DeleteColumn(i);
	}
	m_Grid.DeleteColumn(0);
	rst=prst;
	for(int m=0;m<prst.GetFieldCount();m++)
	{
		m_Fields[m]=prst.GetFieldName(m);	
		m_Grid.InsertColumn(m,m_Fields[m]);
	}
	this->AddItemValue(prst);
}

void RxEdit::AutoPosition()
{
	CRect EdtRect,ParentRect,NewRect;
	this->GetWindowRect(&EdtRect);
	Parent->GetWindowRect(&ParentRect);
	//取得 Edit 在 Parent 上的位置
	NewRect.top=EdtRect.top-ParentRect.top-23+EdtRect.Height();
	NewRect.left=EdtRect.left-ParentRect.left-4;
	NewRect.right=NewRect.left+GridRect.Width();
	NewRect.bottom=NewRect.top+120;
//处理横坐标
	if(NewRect.left>ParentRect.Width()/2)
	{
		NewRect.right=EdtRect.right-ParentRect.left-3;
		NewRect.left=NewRect.right-GridRect.Width();
		if(NewRect.left<20)
			NewRect.left=20;
	}
	else
	{
		NewRect.right=NewRect.left+GridRect.Width();
		if(NewRect.right>=::GetSystemMetrics(SM_CXSCREEN)-100)
			NewRect.right=::GetSystemMetrics(SM_CXSCREEN)-100;		
	}
	Parent->ClientToScreen(&NewRect);
	m_Grid.MoveWindow(&NewRect);
}

BOOL RxEdit::PreTranslateMessage(MSG* pMsg) 
{
	if(m_bOnly==true)
	{
		if(pMsg->message==WM_KEYDOWN&&((pMsg->wParam<48||pMsg->wParam>57)&&pMsg->wParam!=8&&pMsg->wParam!=8&&pMsg->wParam!=38&&pMsg->wParam!=40&&pMsg->wParam!=13&&pMsg->wParam!=VK_ESCAPE))
			if((pMsg->wParam<VK_NUMPAD0||pMsg->wParam>VK_NUMPAD9))
				{
					pMsg->wParam=VK_CONTROL ;
					return true;
				}
	}
	if(pMsg->message==WM_KEYDOWN && pMsg->wParam==VK_ESCAPE)
	{
		if(this->IsShowing==true)//截获ESC
		{
			this->HideGrid();
			pMsg->wParam=VK_CONTROL;
		}
	}
	//截获↓
	if(pMsg->message==WM_KEYDOWN && pMsg->wParam==VK_DOWN)
	{
		if(this->PopHide==false)
		{
			if(this->IsShowing==false)
			{			
				this->ShowGrid();
				this->OnChange();
			}
		}
	}

	CString sText;
	if(this->Init==false)
	{
		//设置字体、字号
		LOGFONT logfont;
		logfont.lfCharSet=134;
		logfont.lfClipPrecision=0;
		logfont.lfEscapement=0;
		logfont.lfHeight=-12;
		logfont.lfItalic=0;
		logfont.lfOrientation=0;
		logfont.lfOutPrecision=0;
		logfont.lfPitchAndFamily=2;
		logfont.lfQuality=0,
		logfont.lfStrikeOut=0;
		logfont.lfUnderline=0;
		logfont.lfWeight=400;
		logfont.lfWidth=0;
		strcpy(logfont.lfFaceName,"宋体");
		m_Font.DeleteObject();
		m_Font.CreateFontIndirect(&logfont);
		this->SetFont(&m_Font);
		this->Init=true;
	}
	//如果作为表格的单元格
	CString RunTimeClass="CListCtrl";
	if(this->IsShowing==true)
	{
		if(pMsg->message==WM_KEYDOWN && pMsg->wParam==38)
		{
			m_Grid.SetFocus();
			this->SetFocus();
			pMsg->hwnd=m_Grid.GetSafeHwnd();
			pMsg->message=WM_KEYDOWN;
			pMsg->wParam=38;
		}
		if(pMsg->message==WM_KEYDOWN && pMsg->wParam==40)
		{
			m_Grid.SetFocus();
			this->SetFocus();
			pMsg->hwnd=m_Grid.GetSafeHwnd();
			pMsg->message=WM_KEYDOWN;
			pMsg->wParam=40;
		}			
		if(pMsg->message==WM_KEYDOWN && pMsg->wParam==13)
		{
			if(m_Grid.GetSelectionMark()==-1)
			//	return true;
			{
				sText=m_Grid.GetItemText(0,m_FieldNameNumber);
				this->SetWindowText(sText);
				this->HideGrid();
				return true;
			}
			sText=m_Grid.GetItemText(m_Grid.GetSelectionMark(),m_FieldNameNumber);
			this->SetWindowText(sText);
			this->HideGrid();
		}
		EnterNumber=0;
	}
	else
	{
		if(	this->GetParent()->GetRuntimeClass()->m_lpszClassName==RunTimeClass)
		{
			RxGrid* rParent =(RxGrid*)GetParent();
			
			if(pMsg->message==WM_KEYUP && pMsg->wParam==13)
				pMsg->hwnd=Parent->GetParent()->GetSafeHwnd();
			if(pMsg->message==WM_KEYDOWN && pMsg->wParam==13)
			{
				EnterNumber=EnterNumber+1;
				if(EnterNumber>1)     //用户敲两次回车
					goto end;
				this->GetWindowText(sText);
				if(sText.IsEmpty())
					return false;
				rParent->MoveNextItem();
				pMsg->hwnd=Parent->GetParent()->GetSafeHwnd();
				
			}
		}
end:	if(pMsg->message==WM_KEYDOWN && pMsg->wParam==13)
			pMsg->wParam=9;
	}
	return CEdit::PreTranslateMessage(pMsg);
}

void RxEdit::HideGrid()
{
	this->m_Grid.ShowWindow(SW_HIDE);
	this->IsShowing=false;
}


void RxEdit::SetSelectField(CString sFieldName)
{
	this->m_FieldName=sFieldName;
	for(int m=0;m<255;m++)
	{
		if(sFieldName==this->m_Fields[m])
		{
			m_FieldNameNumber=m;
			break;
		}
	}
}

void RxEdit::OnChange() 
{
	if(this->PopHide==true)
		return ;
	if(this->m_FieldName.IsEmpty())
		return;
	CString sSQL,sText,sRecordset;
	RxRecordset OnCrst;
	sRecordset=rst.GetSQL();
	if(sRecordset.IsEmpty())
		return;
	BYTE chr;
	this->GetWindowText(sText);
	if(sText.IsEmpty()==false)
		chr=sText.GetAt(0);
	else
		goto Next;

	if(this->StartUpAssciation==true)//启动联系输入
	{
		if(chr>=97 &&chr<=122)    //小写字母
			sSQL.Format("SELECT * From %s  WHERE 简称 LIKE'%s%%'",sRecordset,sText);
		else
			goto Next;
	}
	else
Next:	sSQL.Format("SELECT * From %s WHERE %s LIKE'%s%%'",sRecordset,this->m_FieldName,sText);
	OnCrst.Open(sSQL,adCmdText);
	if (OnCrst.GetRecordCount()<=0)
		return;
	if(this->IsShowing==false)
		this->ShowGrid();
	this->AddItemValue(OnCrst);
//	this->SetSel(sText.GetLength(),0);
	m_Grid.SetParent(Parent->GetParent());
}

void RxEdit::AddItemValue(RxRecordset prst)
{
	CString sValue;
	int ColumnWidth=0;
	m_Grid.DeleteAllItems();
	for(int m=0;m<prst.GetRecordCount();m++)
	{
		m_Grid.InsertItem(m,"");
	}
	for( m=0;m<prst.GetRecordCount();m++)
	{
		prst.Move(m);
		for(int n=0;n<prst.GetFieldCount();n++)
		{
			sValue=prst.GetFieldValue(prst.GetFieldName(n));
			m_Grid.SetItemText(m,n,sValue);
		}
	}
	for(m=0;m<prst.GetFieldCount();m++)
	{
		m_Grid.SetColumnWidth(m,LVSCW_AUTOSIZE);
	}
	
	for(m=0;m<prst.GetFieldCount();m++)
	{
		m_Grid.SetColumnWidth(m,m_Grid.GetColumnWidth(m)+20);
		ColumnWidth=ColumnWidth+m_Grid.GetColumnWidth(m);
	}
	CRect rect;
	m_Grid.GetClientRect(&rect);
	rect.right=rect.left+ColumnWidth;
	GridRect=rect;
}

void RxEdit::OnKillfocus() 
{
	CString RunTimeClass="CListCtrl";
	if(this->GetParent()->GetRuntimeClass()->m_lpszClassName==RunTimeClass)
	{
		RxGrid* Parent =(RxGrid*)GetParent();
		if(Parent)
			Parent->EndEdit();	
	}
	EnterNumber=0;
}

void RxEdit::ClearAll()
{
	try{
		m_Grid.DeleteAllItems();
	}
	catch(...)
	{
		return;
	}
	for(int m=0;m<rst.GetFieldCount();m++)
	{
		try{
		m_Grid.DeleteColumn(0);
		}
		catch(...)
		{
			break;
		}
	}
}


void RxEdit::NumberOnly(bool bOnly)
{
	m_bOnly=bOnly;
}