PropTreeItemEdit.cpp

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// PropTreeItemEdit.cpp : implementation file
//
//  Copyright (C) 1998-2001 Scott Ramsay
//      sramsay@gonavi.com
//      http://www.gonavi.com
//
//  This material is provided "as is", with absolutely no warranty expressed
//  or implied. Any use is at your own risk.
// 
//  Permission to use or copy this software for any purpose is hereby granted 
//  without fee, provided the above notices are retained on all copies.
//  Permission to modify the code and to distribute modified code is granted,
//  provided the above notices are retained, and a notice that the code was
//  modified is included with the above copyright notice.
// 
//      If you use this code, drop me an email.  I'd like to know if you find the code
//      useful.

//#include "stdafx.h"
#include "../../../idlib/precompiled.h"
#pragma hdrstop

#include "proptree.h"
#include "PropTreeItemEdit.h"

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

// CPropTreeItemEdit

CPropTreeItemEdit::CPropTreeItemEdit() :
        m_sEdit(_T("")),
        m_nFormat(ValueFormatText),
        m_bPassword(FALSE),
        m_fValue(0.0f)
{
}

CPropTreeItemEdit::~CPropTreeItemEdit()
{
}


BEGIN_MESSAGE_MAP(CPropTreeItemEdit, CEdit)
        //{{AFX_MSG_MAP(CPropTreeItemEdit)
        ON_WM_GETDLGCODE()
        ON_WM_KEYDOWN()
        ON_CONTROL_REFLECT(EN_KILLFOCUS, OnKillfocus)
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()

// CPropTreeItemEdit message handlers

void CPropTreeItemEdit::DrawAttribute(CDC* pDC, const RECT& rc)
{
        ASSERT(m_pProp!=NULL);

        pDC->SelectObject(IsReadOnly() ? m_pProp->GetNormalFont() : m_pProp->GetBoldFont());
        pDC->SetTextColor(RGB(0,0,0));
        pDC->SetBkMode(TRANSPARENT);

        CRect r = rc;

        TCHAR ch;

        // can't use GetPasswordChar(), because window may not be created yet
        ch = (m_bPassword) ? '*' : '\0';

        if (ch)
        {
                CString s;

                s = m_sEdit;
                for (LONG i=0; i<s.GetLength();i++)
                        s.SetAt(i, ch);

                pDC->DrawText(s, r, DT_SINGLELINE|DT_VCENTER);
        }
        else
        {
                pDC->DrawText(m_sEdit, r, DT_SINGLELINE|DT_VCENTER);
        }
}



void CPropTreeItemEdit::SetAsPassword(BOOL bPassword)
{
        m_bPassword = bPassword;
}


void CPropTreeItemEdit::SetValueFormat(ValueFormat nFormat)
{
        m_nFormat = nFormat;
}


LPARAM CPropTreeItemEdit::GetItemValue()
{
        switch (m_nFormat)
        {
                case ValueFormatNumber:
                        return _ttoi(m_sEdit);

                case ValueFormatFloatPointer:
                        _stscanf(m_sEdit, _T("%f"), &m_fValue);
                        return (LPARAM)&m_fValue;
        }

        return (LPARAM)(LPCTSTR)m_sEdit;
}


void CPropTreeItemEdit::SetItemValue(LPARAM lParam)
{
        switch (m_nFormat)
        {
                case ValueFormatNumber:
                        m_sEdit.Format(_T("%d"), lParam);
                        return;

                case ValueFormatFloatPointer:
                        {
                                TCHAR tmp[MAX_PATH];
                                m_fValue = *(float*)lParam;
                                _stprintf(tmp, _T("%f"), m_fValue);
                                m_sEdit = tmp;
                        }
                        return;
        }

        if (lParam==0L)
        {
                TRACE0("CPropTreeItemEdit::SetItemValue - Invalid lParam value\n");
                return;
        }

        m_sEdit = (LPCTSTR)lParam;
}


void CPropTreeItemEdit::OnMove()
{
        if (IsWindow(m_hWnd))
                SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width(), m_rc.Height(), SWP_NOZORDER|SWP_NOACTIVATE);
}


void CPropTreeItemEdit::OnRefresh()
{
        if (IsWindow(m_hWnd))
                SetWindowText(m_sEdit);
}


void CPropTreeItemEdit::OnCommit()
{
        // hide edit control
        ShowWindow(SW_HIDE);

        // store edit text for GetItemValue
        GetWindowText(m_sEdit);
}


void CPropTreeItemEdit::OnActivate(int activateType, CPoint point)
{
        // Check if the edit control needs creation
        if (!IsWindow(m_hWnd))
        {
                DWORD dwStyle;

                dwStyle = WS_CHILD|ES_AUTOHSCROLL;
                Create(dwStyle, m_rc, m_pProp->GetCtrlParent(), GetCtrlID());   
        }
        
        SendMessage(WM_SETFONT, (WPARAM)m_pProp->GetNormalFont()->m_hObject);

        SetPasswordChar((TCHAR)(m_bPassword ? '*' : 0));
        SetWindowText(m_sEdit);
        SetSel(0, -1);

        SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width(), m_rc.Height(), SWP_NOZORDER|SWP_SHOWWINDOW);
        SetFocus();
}


UINT CPropTreeItemEdit::OnGetDlgCode() 
{
        return CEdit::OnGetDlgCode()|DLGC_WANTALLKEYS;
}


void CPropTreeItemEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
        if (nChar==VK_RETURN)
                CommitChanges();
        
        CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
}


void CPropTreeItemEdit::OnKillfocus() 
{
        CommitChanges();        
}