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filepickercmn.cpp
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filepickercmn.cpp
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///////////////////////////////////////////////////////////////////////////////
// Name: src/common/filepickercmn.cpp
// Purpose: wxFilePickerCtrl class implementation
// Author: Francesco Montorsi (readapted code written by Vadim Zeitlin)
// Modified by:
// Created: 15/04/2006
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin, Francesco Montorsi
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
#include "wx/filepicker.h"
#include "wx/filename.h"
#ifndef WX_PRECOMP
#include "wx/textctrl.h"
#endif
// ============================================================================
// implementation
// ============================================================================
const char wxFilePickerCtrlNameStr[] = "filepicker";
const char wxFilePickerWidgetNameStr[] = "filepickerwidget";
const char wxDirPickerCtrlNameStr[] = "dirpicker";
const char wxDirPickerWidgetNameStr[] = "dirpickerwidget";
const char wxFilePickerWidgetLabel[] = wxTRANSLATE("Browse");
const char wxDirPickerWidgetLabel[] = wxTRANSLATE("Browse");
wxDEFINE_EVENT( wxEVT_COMMAND_FILEPICKER_CHANGED, wxFileDirPickerEvent );
wxDEFINE_EVENT( wxEVT_COMMAND_DIRPICKER_CHANGED, wxFileDirPickerEvent );
IMPLEMENT_DYNAMIC_CLASS(wxFileDirPickerEvent, wxCommandEvent)
// ----------------------------------------------------------------------------
// wxFileDirPickerCtrlBase
// ----------------------------------------------------------------------------
bool wxFileDirPickerCtrlBase::CreateBase(wxWindow *parent,
wxWindowID id,
const wxString &path,
const wxString &message,
const wxString &wildcard,
const wxPoint &pos,
const wxSize &size,
long style,
const wxValidator& validator,
const wxString &name )
{
wxASSERT_MSG(path.empty() || CheckPath(path), wxT("Invalid initial path!"));
if (!wxPickerBase::CreateBase(parent, id, path, pos, size,
style, validator, name))
return false;
if (!HasFlag(wxFLP_OPEN) && !HasFlag(wxFLP_SAVE))
m_windowStyle |= wxFLP_OPEN; // wxFD_OPEN is the default
// check that the styles are not contradictory
wxASSERT_MSG( !(HasFlag(wxFLP_SAVE) && HasFlag(wxFLP_OPEN)),
wxT("can't specify both wxFLP_SAVE and wxFLP_OPEN at once") );
wxASSERT_MSG( !HasFlag(wxFLP_SAVE) || !HasFlag(wxFLP_FILE_MUST_EXIST),
wxT("wxFLP_FILE_MUST_EXIST can't be used with wxFLP_SAVE" ) );
wxASSERT_MSG( !HasFlag(wxFLP_OPEN) || !HasFlag(wxFLP_OVERWRITE_PROMPT),
wxT("wxFLP_OVERWRITE_PROMPT can't be used with wxFLP_OPEN") );
// create a wxFilePickerWidget or a wxDirPickerWidget...
m_pickerIface = CreatePicker(this, path, message, wildcard);
if ( !m_pickerIface )
return false;
m_picker = m_pickerIface->AsControl();
// complete sizer creation
wxPickerBase::PostCreation();
DoConnect( m_picker, this );
// default's wxPickerBase textctrl limit is too small for this control:
// make it bigger
if (m_text) m_text->SetMaxLength(512);
return true;
}
wxString wxFileDirPickerCtrlBase::GetPath() const
{
return m_pickerIface->GetPath();
}
void wxFileDirPickerCtrlBase::SetPath(const wxString &path)
{
m_pickerIface->SetPath(path);
UpdateTextCtrlFromPicker();
}
void wxFileDirPickerCtrlBase::UpdatePickerFromTextCtrl()
{
wxASSERT(m_text);
if (m_bIgnoreNextTextCtrlUpdate)
{
// ignore this update
m_bIgnoreNextTextCtrlUpdate = false;
return;
}
// remove the eventually present path-separator from the end of the textctrl
// string otherwise we would generate a wxFileDirPickerEvent when changing
// from e.g. /home/user to /home/user/ and we want to avoid it !
wxString newpath(GetTextCtrlValue());
if (!CheckPath(newpath))
return; // invalid user input
if (m_pickerIface->GetPath() != newpath)
{
m_pickerIface->SetPath(newpath);
// update current working directory, if necessary
// NOTE: the path separator is required because if newpath is "C:"
// then no change would happen
if (IsCwdToUpdate())
wxSetWorkingDirectory(newpath);
// fire an event
wxFileDirPickerEvent event(GetEventType(), this, GetId(), newpath);
GetEventHandler()->ProcessEvent(event);
}
}
void wxFileDirPickerCtrlBase::UpdateTextCtrlFromPicker()
{
if (!m_text)
return; // no textctrl to update
// NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED
// which will trigger a unneeded UpdateFromTextCtrl(); thus before using
// SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag...
m_bIgnoreNextTextCtrlUpdate = true;
m_text->SetValue(m_pickerIface->GetPath());
}
// ----------------------------------------------------------------------------
// wxFileDirPickerCtrlBase - event handlers
// ----------------------------------------------------------------------------
void wxFileDirPickerCtrlBase::OnFileDirChange(wxFileDirPickerEvent &ev)
{
UpdateTextCtrlFromPicker();
// the wxFilePickerWidget sent us a colour-change notification.
// forward this event to our parent
wxFileDirPickerEvent event(GetEventType(), this, GetId(), ev.GetPath());
GetEventHandler()->ProcessEvent(event);
}
#endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
// ----------------------------------------------------------------------------
// wxFileDirPickerCtrl
// ----------------------------------------------------------------------------
#if wxUSE_FILEPICKERCTRL
IMPLEMENT_DYNAMIC_CLASS(wxFilePickerCtrl, wxPickerBase)
bool wxFilePickerCtrl::Create(wxWindow *parent,
wxWindowID id,
const wxString& path,
const wxString& message,
const wxString& wildcard,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& validator,
const wxString& name)
{
if ( !wxFileDirPickerCtrlBase::CreateBase
(
parent, id, path, message, wildcard,
pos, size, style, validator, name
) )
return false;
if ( HasTextCtrl() )
GetTextCtrl()->AutoCompleteFileNames();
return true;
}
bool wxFilePickerCtrl::CheckPath(const wxString& path) const
{
// if wxFLP_SAVE was given or wxFLP_FILE_MUST_EXIST has NOT been given we
// must accept any path
return HasFlag(wxFLP_SAVE) ||
!HasFlag(wxFLP_FILE_MUST_EXIST) ||
wxFileName::FileExists(path);
}
wxString wxFilePickerCtrl::GetTextCtrlValue() const
{
// filter it through wxFileName to remove any spurious path separator
return wxFileName(m_text->GetValue()).GetFullPath();
}
#endif // wxUSE_FILEPICKERCTRL
// ----------------------------------------------------------------------------
// wxDirPickerCtrl
// ----------------------------------------------------------------------------
#if wxUSE_DIRPICKERCTRL
IMPLEMENT_DYNAMIC_CLASS(wxDirPickerCtrl, wxPickerBase)
bool wxDirPickerCtrl::Create(wxWindow *parent,
wxWindowID id,
const wxString& path,
const wxString& message,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& validator,
const wxString& name)
{
if ( !wxFileDirPickerCtrlBase::CreateBase
(
parent, id, path, message, wxString(),
pos, size, style, validator, name
) )
return false;
if ( HasTextCtrl() )
GetTextCtrl()->AutoCompleteDirectories();
return true;
}
bool wxDirPickerCtrl::CheckPath(const wxString& path) const
{
// if wxDIRP_DIR_MUST_EXIST has NOT been given we must accept any path
return !HasFlag(wxDIRP_DIR_MUST_EXIST) || wxFileName::DirExists(path);
}
wxString wxDirPickerCtrl::GetTextCtrlValue() const
{
// filter it through wxFileName to remove any spurious path separator
return wxFileName::DirName(m_text->GetValue()).GetPath();
}
#endif // wxUSE_DIRPICKERCTRL