treelist_src.zip_skin

// NewTreeListCtrl.cpp : implementation file // #include "stdafx.h" #include "TLView.h" #include "NewTreeListCtrl.h" #include "TLFrame.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif #define ID_TREE_LIST_HEADER 370 ///////////////////////////////////////////////////////////////////////////// // CTLItem CTLItem::CTLItem() { m_cEnding = '�'; m_itemString = ""; m_Bold = FALSE; m_Color = ::GetSysColor(COLOR_WINDOWTEXT); m_HasChildren = FALSE; m_nPriority = 1000; m_Group = FALSE; } CTLItem::CTLItem(CTLItem &copyItem) { m_cEnding = copyItem.m_cEnding; m_itemString = copyItem.GetItemString(); m_Bold = copyItem.m_Bold; m_Color = copyItem.m_Color; itemData = copyItem.itemData; m_HasChildren = copyItem.m_HasChildren; m_nPriority = copyItem.m_nPriority; m_Group = copyItem.m_Group; } CString CTLItem::GetSubstring(int m_nSub) { CString m_tmpStr(""); int i=0, nHits=0; int length = m_itemString.GetLength(); while((i<length) && (nHits<=m_nSub)) { if(m_itemString[i]==m_cEnding) { nHits++; } else if(nHits==m_nSub) m_tmpStr+=m_itemString[i]; i++; } if((i>=length) && (nHits<m_nSub)) return ""; else return m_tmpStr; } void CTLItem::SetSubstring(int m_nSub, CString m_sText) { CString m_tmpStr(""); int i=0, nHits=0, first=0; int length = m_itemString.GetLength(); while((i<length) && (nHits<=m_nSub)) { if(m_itemString[i]==m_cEnding) { if(nHits!=m_nSub) first = i; nHits++; } i++; } CString m_newStr(""); if((nHits>m_nSub) || ((nHits==m_nSub) && (i>=length))) { // insert in the middle if(first!=0) { m_newStr = m_itemString.Left(first); m_newStr += m_cEnding; } m_newStr += m_sText; if(i<length) { m_newStr += m_cEnding; m_newStr += m_itemString.Right(m_itemString.GetLength()-i); } m_itemString=m_newStr; } else { // insert at the end for(i=nHits;i<m_nSub;i++) m_itemString+=m_cEnding; m_itemString+=m_sText; } } ///////////////////////////////////////////////////////////////////////////// // CNewTreeListCtrl CNewTreeListCtrl::CNewTreeListCtrl() { m_nColumns = m_nColumnsWidth = 0; m_nOffset = 0; m_ParentsOnTop = TRUE; m_bLDragging = FALSE; m_htiOldDrop = m_htiDrop = m_htiDrag = NULL; m_scrollTimer = m_idTimer = 0; m_timerticks = 0; m_toDrag = FALSE; m_RTL = FALSE; } CNewTreeListCtrl::~CNewTreeListCtrl() { } BEGIN_MESSAGE_MAP(CNewTreeListCtrl, CTreeCtrl) //{{AFX_MSG_MAP(CNewTreeListCtrl) ON_WM_PAINT() ON_WM_CREATE() ON_WM_LBUTTONDOWN() ON_WM_LBUTTONDBLCLK() ON_WM_KEYDOWN() ON_WM_TIMER() ON_WM_LBUTTONUP() ON_WM_MOUSEMOVE() ON_WM_DESTROY() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CNewTreeListCtrl message handlers int CNewTreeListCtrl::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (CTreeCtrl::OnCreate(lpCreateStruct) == -1) return -1; return 0; } HTREEITEM CNewTreeListCtrl::GetTreeItem(int nItem) { HTREEITEM m_ParentItem = GetRootItem(); int m_nCount = 0; while((m_ParentItem!=NULL) && (m_nCount<nItem)) { m_nCount ++ ; GetNextSiblingItem(m_ParentItem); } return m_ParentItem; } int CNewTreeListCtrl::GetListItem(HTREEITEM hItem) { HTREEITEM m_ParentItem = GetRootItem(); int m_nCount = 0; while((m_ParentItem!=NULL) && (m_ParentItem!=hItem)) { m_nCount ++ ; GetNextSiblingItem(m_ParentItem); } return m_nCount; } void CNewTreeListCtrl::RecalcHeaderPosition() { if(m_RTL) { CRect m_clientRect; GetClientRect(&m_clientRect); if(GetColumnsWidth() > m_clientRect.Width()) { int m_nOffset = m_clientRect.Width() - GetColumnsWidth(); CTLFrame *pFrame = (CTLFrame *)GetParent(); CRect m_wndRect; pFrame->GetClientRect(&m_wndRect); CRect m_headerRect; m_wndHeader.GetClientRect(&m_headerRect); m_wndHeader.SetWindowPos(&wndTop, m_nOffset, 0, max(pFrame->StretchWidth(GetColumnsWidth(),m_clientRect.Width()),m_wndRect.Width()), m_headerRect.Height(), SWP_SHOWWINDOW); } } } int CNewTreeListCtrl::InsertColumn( int nCol, LPCTSTR lpszColumnHeading, int nFormat, int nWidth, int nSubItem) { HD_ITEM hdi; hdi.mask = HDI_TEXT | HDI_FORMAT; if(nWidth!=-1) { hdi.mask |= HDI_WIDTH; hdi.cxy = nWidth; } hdi.pszText = (LPTSTR)lpszColumnHeading; hdi.fmt = HDF_OWNERDRAW; if(nFormat == LVCFMT_RIGHT) hdi.fmt |= HDF_RIGHT; else if(nFormat == LVCFMT_CENTER) hdi.fmt |= HDF_CENTER; else hdi.fmt |= HDF_LEFT; m_nColumns ++ ; int m_nReturn = m_wndHeader.InsertItem(nCol, &hdi); if(m_nColumns==1) { m_wndHeader.SetItemImage(m_nReturn, 0); } RecalcColumnsWidth(); if(m_RTL) RecalcHeaderPosition(); UpdateWindow(); return m_nReturn; } int CNewTreeListCtrl::GetColumnWidth(int nCol) { if(m_RTL) { nCol = GetColumnsNum() - nCol - 1; } HD_ITEM hItem; hItem.mask = HDI_WIDTH; if(!m_wndHeader.GetItem(nCol, &hItem)) return 0; return hItem.cxy; } int CNewTreeListCtrl::GetColumnAlign(int nCol) { HD_ITEM hItem; hItem.mask = HDI_FORMAT; if(!m_wndHeader.GetItem(nCol, &hItem)) return LVCFMT_LEFT; if(hItem.fmt & HDF_RIGHT) return LVCFMT_RIGHT; else if(hItem.fmt & HDF_CENTER) return LVCFMT_CENTER; else return LVCFMT_LEFT; } void CNewTreeListCtrl::RecalcColumnsWidth() { m_nColumnsWidth = 0; for(int i=0;i<m_nColumns;i++) m_nColumnsWidth += GetColumnWidth(i); } void CNewTreeListCtrl::DrawItemText (CDC* pDC, CString text, CRect rect, int nWidth, int nFormat) { // // Make sure the text will fit in the prescribed rectangle, and truncate // it if it won't. // BOOL bNeedDots = FALSE; int nMaxWidth = nWidth - 4; while ((text.GetLength()>0) && (pDC->GetTextExtent((LPCTSTR) text).cx > (nMaxWidth - 4))) { text = text.Left (text.GetLength () - 1); bNeedDots = TRUE; } if (bNeedDots) { if (text.GetLength () >= 1) text = text.Left (text.GetLength () - 1); if(!m_RTL) text += "..."; else text = "..." + text; } // // Draw the text into the rectangle using MFC's handy CDC::DrawText // function. // rect.right = rect.left + nMaxWidth; if(m_RTL) { rect.right += 4; rect.left += 4; } UINT nStyle = DT_VCENTER | DT_SINGLELINE; if (nFormat == LVCFMT_LEFT) nStyle |= DT_LEFT; else if (nFormat == LVCFMT_CENTER) nStyle |= DT_CENTER; else // nFormat == LVCFMT_RIGHT nStyle |= DT_RIGHT; if((text.GetLength()>0) && (rect.right>rect.left)) pDC->DrawText (text, rect, nStyle); } CRect CNewTreeListCtrl::CRectGet(int left, int top, int right, int bottom) { if(m_RTL) { CRect m_clientRect; GetClientRect(&m_clientRect); return CRect(m_clientRect.Width() - right, top, m_clientRect.Width() - left, bottom); } else return CRect(left, top, right, bottom); } void CNewTreeListCtrl::OnPaint() { CPaintDC dc(this); // device context for painting CRect rcClient; GetClientRect(&rcClient); //CMemDC dc(&paintdc, rcClient); CRect rcClip; dc.GetClipBox( &rcClip ); // Set clip region to be same as that in paint DC CRgn rgn; rgn.CreateRectRgnIndirect( &rcClip ); dc.SelectClipRgn(&rgn); rgn.DeleteObject(); COLORREF m_wndColor = GetSysColor( COLOR_WINDOW ); dc.SetViewportOrg(m_nOffset, 0); dc.SetTextColor(m_wndColor); // First let the control do its default drawing. CRect m_clientRect; GetClientRect(&m_clientRect); if(m_RTL) { dc.SetViewportOrg(m_clientRect.Width(), 0); CSize ext = dc.GetViewportExt(); ext.cx = ext.cx > 0 ? -ext.cx : ext.cx; dc.SetMapMode(MM_ANISOTROPIC); dc.SetViewportExt(ext); } CTree