/*
 * ====================================================================
 * Copyright (c) 2002-2006 The RapidSvn Group.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program (in the file GPL.txt); if not, write to 
 * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 
 * Boston, MA  02110-1301  USA
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://rapidsvn.tigris.org/.
 * ====================================================================
 */


// wxWidgets
#include "wx/wx.h"
#include "wx/debug.h"
#include "wx/string.h"
#include "wx/validate.h"


// app
#include "hist_val.hpp"
#include "hist_mgr.hpp"
#include "utils.hpp"


IMPLEMENT_CLASS (HistoryValidator, wxValidator)

HistoryValidator::HistoryValidator (const wxString & settingName,
                                    wxString * value,
                                    bool dontUpdate)
 :  wxValidator (), m_settingName (settingName), m_value (value),
    m_dontUpdate (dontUpdate)
{
}


HistoryValidator::HistoryValidator (const HistoryValidator & src)
{
  Copy (src);
}


bool
HistoryValidator::Copy(const HistoryValidator & val)
{
  wxValidator::Copy (val);

  m_settingName = val.m_settingName;
  m_value = val.m_value;
  m_dontUpdate = val.m_dontUpdate;

  return true;
}


bool 
HistoryValidator::TransferToWindow()
{
  if (!m_validatorWindow)
    return false;

  // retrieve the list of recent entries
  const wxArrayString & list = TheHistoryManager.ReadList (m_settingName);

  // if we have a wxComboBox fill the list of values
  // with the recent entries and set the first value
  if (m_validatorWindow->IsKindOf (CLASSINFO (wxComboBox)))
  {
    wxComboBox * comboBox = (wxComboBox *)m_validatorWindow;

    // clear and fill the combobox
    comboBox->Clear ();

    size_t count = list.Count ();
    size_t index;

    // insert an entry with file selected to checkout
    if (m_value != 0)
    {
      if (m_value->Length () > 0)
      {
        comboBox->Append (*m_value);
      }
    }

    for (index = 0; index < count; index++)
    {
      wxString value (list.Item (index));

      comboBox->Append (value);
    }

    if (m_value != 0)
    {
      if (comboBox->FindString (*m_value) != wxNOT_FOUND)
        comboBox->SetValue (*m_value);
    }

    // if we have an entry, select it
    if (count > 0)
      comboBox->SetSelection (0, 0);

    return true;
  }
  else if (m_validatorWindow->IsKindOf (CLASSINFO (wxTextCtrl)))
  {
    wxTextCtrl * textCtrl = (wxTextCtrl *)m_validatorWindow;

    if (list.Count () == 0)
      textCtrl->SetValue (wxT(""));
    else
    {
      textCtrl->SetValue (list.Item (0));

      // select all the text
      textCtrl->SetSelection (-1, -1);
    }

    return true;
  }


  // unrecoginzed control
  return false;
}


bool 
HistoryValidator::TransferFromWindow()
{
  if (!m_validatorWindow)
    return false;

  // if we have a wxComboBox we use the last value
  if (m_validatorWindow->IsKindOf (CLASSINFO (wxComboBox)))
  {
    wxComboBox * comboBox = (wxComboBox *)m_validatorWindow;

    wxString lastValue (comboBox->GetValue ());
    TrimString (lastValue);

    if (!m_dontUpdate && (lastValue.Length () > 0))
      TheHistoryManager.AddEntryToList (m_settingName, lastValue);

    if (m_value)
      *m_value = lastValue;

    return true;
  }
  else if (m_validatorWindow->IsKindOf (CLASSINFO (wxTextCtrl)))
  {
    wxTextCtrl * textCtrl = (wxTextCtrl *)m_validatorWindow;

    wxString lastValue (textCtrl->GetValue ());
    TrimString (lastValue);

    if (!m_dontUpdate && (lastValue.Length () > 0))
      TheHistoryManager.AddEntryToList (m_settingName, lastValue);

    if (m_value)
      *m_value = lastValue;

    return true;
  }


  // unrecognized control
  return false;
};


/* -----------------------------------------------------------------
 * local variables:
 * eval: (load-file "../rapidsvn-dev.el")
 * end:
 */