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: filepickercmn.cpp 42219 2006-10-21 19:53:05Z PC $
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 wxChar wxFilePickerCtrlNameStr[] = wxT("filepicker");
41 const wxChar wxFilePickerWidgetNameStr[] = wxT("filepickerwidget");
42 const wxChar wxDirPickerCtrlNameStr[] = wxT("dirpicker");
43 const wxChar wxDirPickerWidgetNameStr[] = wxT("dirpickerwidget");
44 const wxChar wxFilePickerWidgetLabel[] = wxT("Browse");
45 const wxChar wxDirPickerWidgetLabel[] = wxT("Browse");
46
47 DEFINE_EVENT_TYPE(wxEVT_COMMAND_FILEPICKER_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_DIRPICKER_CHANGED)48 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DIRPICKER_CHANGED)
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 _T("can't specify both wxFLP_SAVE and wxFLP_OPEN at once") );
78
79 wxASSERT_MSG( !HasFlag(wxFLP_SAVE) || !HasFlag(wxFLP_FILE_MUST_EXIST),
80 _T("wxFLP_FILE_MUST_EXIST can't be used with wxFLP_SAVE" ) );
81
82 wxASSERT_MSG( !HasFlag(wxFLP_OPEN) || !HasFlag(wxFLP_OVERWRITE_PROMPT),
83 _T("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 m_picker->Connect(GetEventType(),
95 wxFileDirPickerEventHandler(wxFileDirPickerCtrlBase::OnFileDirChange),
96 NULL, this);
97
98 // default's wxPickerBase textctrl limit is too small for this control:
99 // make it bigger
100 if (m_text) m_text->SetMaxLength(512);
101
102 return true;
103 }
104
GetPath() const105 wxString wxFileDirPickerCtrlBase::GetPath() const
106 {
107 return m_pickerIface->GetPath();
108 }
109
SetPath(const wxString & path)110 void wxFileDirPickerCtrlBase::SetPath(const wxString &path)
111 {
112 m_pickerIface->SetPath(path);
113 UpdateTextCtrlFromPicker();
114 }
115
UpdatePickerFromTextCtrl()116 void wxFileDirPickerCtrlBase::UpdatePickerFromTextCtrl()
117 {
118 wxASSERT(m_text);
119
120 if (m_bIgnoreNextTextCtrlUpdate)
121 {
122 // ignore this update
123 m_bIgnoreNextTextCtrlUpdate = false;
124 return;
125 }
126
127 // remove the eventually present path-separator from the end of the textctrl
128 // string otherwise we would generate a wxFileDirPickerEvent when changing
129 // from e.g. /home/user to /home/user/ and we want to avoid it !
130 wxString newpath(GetTextCtrlValue());
131 if (!CheckPath(newpath))
132 return; // invalid user input
133
134 if (m_pickerIface->GetPath() != newpath)
135 {
136 m_pickerIface->SetPath(newpath);
137
138 // update current working directory, if necessary
139 // NOTE: the path separator is required because if newpath is "C:"
140 // then no change would happen
141 if (IsCwdToUpdate())
142 wxSetWorkingDirectory(newpath);
143
144 // fire an event
145 wxFileDirPickerEvent event(GetEventType(), this, GetId(), newpath);
146 GetEventHandler()->ProcessEvent(event);
147 }
148 }
149
UpdateTextCtrlFromPicker()150 void wxFileDirPickerCtrlBase::UpdateTextCtrlFromPicker()
151 {
152 if (!m_text)
153 return; // no textctrl to update
154
155 // NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED
156 // which will trigger a unneeded UpdateFromTextCtrl(); thus before using
157 // SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag...
158 m_bIgnoreNextTextCtrlUpdate = true;
159 m_text->SetValue(m_pickerIface->GetPath());
160 }
161
162
163
164 // ----------------------------------------------------------------------------
165 // wxFileDirPickerCtrlBase - event handlers
166 // ----------------------------------------------------------------------------
167
OnFileDirChange(wxFileDirPickerEvent & ev)168 void wxFileDirPickerCtrlBase::OnFileDirChange(wxFileDirPickerEvent &ev)
169 {
170 UpdateTextCtrlFromPicker();
171
172 // the wxFilePickerWidget sent us a colour-change notification.
173 // forward this event to our parent
174 wxFileDirPickerEvent event(GetEventType(), this, GetId(), ev.GetPath());
175 GetEventHandler()->ProcessEvent(event);
176 }
177
178 #endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
179
180 // ----------------------------------------------------------------------------
181 // wxFileDirPickerCtrl
182 // ----------------------------------------------------------------------------
183
184 #if wxUSE_FILEPICKERCTRL
185
IMPLEMENT_DYNAMIC_CLASS(wxFilePickerCtrl,wxPickerBase)186 IMPLEMENT_DYNAMIC_CLASS(wxFilePickerCtrl, wxPickerBase)
187
188 bool wxFilePickerCtrl::CheckPath(const wxString& path) const
189 {
190 // if wxFLP_SAVE was given or wxFLP_FILE_MUST_EXIST has NOT been given we
191 // must accept any path
192 return HasFlag(wxFLP_SAVE) ||
193 !HasFlag(wxFLP_FILE_MUST_EXIST) ||
194 wxFileName::FileExists(path);
195 }
196
GetTextCtrlValue() const197 wxString wxFilePickerCtrl::GetTextCtrlValue() const
198 {
199 // filter it through wxFileName to remove any spurious path separator
200 return wxFileName(m_text->GetValue()).GetFullPath();
201 }
202
203 #endif // wxUSE_FILEPICKERCTRL
204
205 // ----------------------------------------------------------------------------
206 // wxDirPickerCtrl
207 // ----------------------------------------------------------------------------
208
209 #if wxUSE_DIRPICKERCTRL
IMPLEMENT_DYNAMIC_CLASS(wxDirPickerCtrl,wxPickerBase)210 IMPLEMENT_DYNAMIC_CLASS(wxDirPickerCtrl, wxPickerBase)
211
212 bool wxDirPickerCtrl::CheckPath(const wxString& path) const
213 {
214 // if wxDIRP_DIR_MUST_EXIST has NOT been given we must accept any path
215 return !HasFlag(wxDIRP_DIR_MUST_EXIST) || wxFileName::DirExists(path);
216 }
217
GetTextCtrlValue() const218 wxString wxDirPickerCtrl::GetTextCtrlValue() const
219 {
220 // filter it through wxFileName to remove any spurious path separator
221 return wxFileName::DirName(m_text->GetValue()).GetPath();
222 }
223
224 #endif // wxUSE_DIRPICKERCTRL
225