| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/filepickercmn.cpp |
| 3 | // Purpose: wxFilePickerCtrl class implementation |
| 4 | // Author: Francesco Montorsi (readapted code written by Vadim Zeitlin) |
| 5 | // Modified by: |
| 6 | // Created: 15/04/2006 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Vadim Zeitlin, Francesco Montorsi |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL |
| 28 | |
| 29 | #include "wx/filepicker.h" |
| 30 | #include "wx/filename.h" |
| 31 | |
| 32 | #ifndef WX_PRECOMP |
| 33 | #include "wx/textctrl.h" |
| 34 | #endif |
| 35 | |
| 36 | // ============================================================================ |
| 37 | // implementation |
| 38 | // ============================================================================ |
| 39 | |
| 40 | const char wxFilePickerCtrlNameStr[] = "filepicker"; |
| 41 | const char wxFilePickerWidgetNameStr[] = "filepickerwidget"; |
| 42 | const char wxDirPickerCtrlNameStr[] = "dirpicker"; |
| 43 | const char wxDirPickerWidgetNameStr[] = "dirpickerwidget"; |
| 44 | const char wxFilePickerWidgetLabel[] = wxTRANSLATE("Browse"); |
| 45 | const char wxDirPickerWidgetLabel[] = wxTRANSLATE("Browse"); |
| 46 | |
| 47 | wxDEFINE_EVENT( wxEVT_COMMAND_FILEPICKER_CHANGED, wxFileDirPickerEvent ); |
| 48 | wxDEFINE_EVENT( wxEVT_COMMAND_DIRPICKER_CHANGED, wxFileDirPickerEvent ); |
| 49 | IMPLEMENT_DYNAMIC_CLASS(wxFileDirPickerEvent, wxCommandEvent) |
| 50 | |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | // wxFileDirPickerCtrlBase |
| 53 | // ---------------------------------------------------------------------------- |
| 54 | |
| 55 | bool wxFileDirPickerCtrlBase::CreateBase(wxWindow *parent, |
| 56 | wxWindowID id, |
| 57 | const wxString &path, |
| 58 | const wxString &message, |
| 59 | const wxString &wildcard, |
| 60 | const wxPoint &pos, |
| 61 | const wxSize &size, |
| 62 | long style, |
| 63 | const wxValidator& validator, |
| 64 | const wxString &name ) |
| 65 | { |
| 66 | wxASSERT_MSG(path.empty() || CheckPath(path), wxT("Invalid initial path!")); |
| 67 | |
| 68 | if (!wxPickerBase::CreateBase(parent, id, path, pos, size, |
| 69 | style, validator, name)) |
| 70 | return false; |
| 71 | |
| 72 | if (!HasFlag(wxFLP_OPEN) && !HasFlag(wxFLP_SAVE)) |
| 73 | m_windowStyle |= wxFLP_OPEN; // wxFD_OPEN is the default |
| 74 | |
| 75 | // check that the styles are not contradictory |
| 76 | wxASSERT_MSG( !(HasFlag(wxFLP_SAVE) && HasFlag(wxFLP_OPEN)), |
| 77 | wxT("can't specify both wxFLP_SAVE and wxFLP_OPEN at once") ); |
| 78 | |
| 79 | wxASSERT_MSG( !HasFlag(wxFLP_SAVE) || !HasFlag(wxFLP_FILE_MUST_EXIST), |
| 80 | wxT("wxFLP_FILE_MUST_EXIST can't be used with wxFLP_SAVE" ) ); |
| 81 | |
| 82 | wxASSERT_MSG( !HasFlag(wxFLP_OPEN) || !HasFlag(wxFLP_OVERWRITE_PROMPT), |
| 83 | wxT("wxFLP_OVERWRITE_PROMPT can't be used with wxFLP_OPEN") ); |
| 84 | |
| 85 | // create a wxFilePickerWidget or a wxDirPickerWidget... |
| 86 | m_pickerIface = CreatePicker(this, path, message, wildcard); |
| 87 | if ( !m_pickerIface ) |
| 88 | return false; |
| 89 | m_picker = m_pickerIface->AsControl(); |
| 90 | |
| 91 | // complete sizer creation |
| 92 | wxPickerBase::PostCreation(); |
| 93 | |
| 94 | DoConnect( m_picker, this ); |
| 95 | |
| 96 | // default's wxPickerBase textctrl limit is too small for this control: |
| 97 | // make it bigger |
| 98 | if (m_text) m_text->SetMaxLength(512); |
| 99 | |
| 100 | return true; |
| 101 | } |
| 102 | |
| 103 | wxString wxFileDirPickerCtrlBase::GetPath() const |
| 104 | { |
| 105 | return m_pickerIface->GetPath(); |
| 106 | } |
| 107 | |
| 108 | void wxFileDirPickerCtrlBase::SetPath(const wxString &path) |
| 109 | { |
| 110 | m_pickerIface->SetPath(path); |
| 111 | UpdateTextCtrlFromPicker(); |
| 112 | } |
| 113 | |
| 114 | void wxFileDirPickerCtrlBase::UpdatePickerFromTextCtrl() |
| 115 | { |
| 116 | wxASSERT(m_text); |
| 117 | |
| 118 | if (m_bIgnoreNextTextCtrlUpdate) |
| 119 | { |
| 120 | // ignore this update |
| 121 | m_bIgnoreNextTextCtrlUpdate = false; |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | // remove the eventually present path-separator from the end of the textctrl |
| 126 | // string otherwise we would generate a wxFileDirPickerEvent when changing |
| 127 | // from e.g. /home/user to /home/user/ and we want to avoid it ! |
| 128 | wxString newpath(GetTextCtrlValue()); |
| 129 | if (!CheckPath(newpath)) |
| 130 | return; // invalid user input |
| 131 | |
| 132 | if (m_pickerIface->GetPath() != newpath) |
| 133 | { |
| 134 | m_pickerIface->SetPath(newpath); |
| 135 | |
| 136 | // update current working directory, if necessary |
| 137 | // NOTE: the path separator is required because if newpath is "C:" |
| 138 | // then no change would happen |
| 139 | if (IsCwdToUpdate()) |
| 140 | wxSetWorkingDirectory(newpath); |
| 141 | |
| 142 | // fire an event |
| 143 | wxFileDirPickerEvent event(GetEventType(), this, GetId(), newpath); |
| 144 | GetEventHandler()->ProcessEvent(event); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | void wxFileDirPickerCtrlBase::UpdateTextCtrlFromPicker() |
| 149 | { |
| 150 | if (!m_text) |
| 151 | return; // no textctrl to update |
| 152 | |
| 153 | // NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED |
| 154 | // which will trigger a unneeded UpdateFromTextCtrl(); thus before using |
| 155 | // SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag... |
| 156 | m_bIgnoreNextTextCtrlUpdate = true; |
| 157 | m_text->SetValue(m_pickerIface->GetPath()); |
| 158 | } |
| 159 | |
| 160 | |
| 161 | |
| 162 | // ---------------------------------------------------------------------------- |
| 163 | // wxFileDirPickerCtrlBase - event handlers |
| 164 | // ---------------------------------------------------------------------------- |
| 165 | |
| 166 | void wxFileDirPickerCtrlBase::OnFileDirChange(wxFileDirPickerEvent &ev) |
| 167 | { |
| 168 | UpdateTextCtrlFromPicker(); |
| 169 | |
| 170 | // the wxFilePickerWidget sent us a colour-change notification. |
| 171 | // forward this event to our parent |
| 172 | wxFileDirPickerEvent event(GetEventType(), this, GetId(), ev.GetPath()); |
| 173 | GetEventHandler()->ProcessEvent(event); |
| 174 | } |
| 175 | |
| 176 | #endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL |
| 177 | |
| 178 | // ---------------------------------------------------------------------------- |
| 179 | // wxFileDirPickerCtrl |
| 180 | // ---------------------------------------------------------------------------- |
| 181 | |
| 182 | #if wxUSE_FILEPICKERCTRL |
| 183 | |
| 184 | IMPLEMENT_DYNAMIC_CLASS(wxFilePickerCtrl, wxPickerBase) |
| 185 | |
| 186 | bool wxFilePickerCtrl::CheckPath(const wxString& path) const |
| 187 | { |
| 188 | // if wxFLP_SAVE was given or wxFLP_FILE_MUST_EXIST has NOT been given we |
| 189 | // must accept any path |
| 190 | return HasFlag(wxFLP_SAVE) || |
| 191 | !HasFlag(wxFLP_FILE_MUST_EXIST) || |
| 192 | wxFileName::FileExists(path); |
| 193 | } |
| 194 | |
| 195 | wxString wxFilePickerCtrl::GetTextCtrlValue() const |
| 196 | { |
| 197 | // filter it through wxFileName to remove any spurious path separator |
| 198 | return wxFileName(m_text->GetValue()).GetFullPath(); |
| 199 | } |
| 200 | |
| 201 | #endif // wxUSE_FILEPICKERCTRL |
| 202 | |
| 203 | // ---------------------------------------------------------------------------- |
| 204 | // wxDirPickerCtrl |
| 205 | // ---------------------------------------------------------------------------- |
| 206 | |
| 207 | #if wxUSE_DIRPICKERCTRL |
| 208 | IMPLEMENT_DYNAMIC_CLASS(wxDirPickerCtrl, wxPickerBase) |
| 209 | |
| 210 | bool wxDirPickerCtrl::CheckPath(const wxString& path) const |
| 211 | { |
| 212 | // if wxDIRP_DIR_MUST_EXIST has NOT been given we must accept any path |
| 213 | return !HasFlag(wxDIRP_DIR_MUST_EXIST) || wxFileName::DirExists(path); |
| 214 | } |
| 215 | |
| 216 | wxString wxDirPickerCtrl::GetTextCtrlValue() const |
| 217 | { |
| 218 | // filter it through wxFileName to remove any spurious path separator |
| 219 | return wxFileName::DirName(m_text->GetValue()).GetPath(); |
| 220 | } |
| 221 | |
| 222 | #endif // wxUSE_DIRPICKERCTRL |