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1///////////////////////////////////////////////////////////////////////////////
2// Name: src/common/ctrlsub.cpp
3// Purpose: wxItemContainer implementation
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 22.10.99
7// RCS-ID: $Id$
8// Copyright: (c) wxWidgets team
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_CONTROLS
28
29#ifndef WX_PRECOMP
30 #include "wx/ctrlsub.h"
31 #include "wx/arrstr.h"
32#endif
33
34IMPLEMENT_ABSTRACT_CLASS(wxControlWithItems, wxControl)
35
36// ============================================================================
37// wxItemContainerImmutable implementation
38// ============================================================================
39
40wxItemContainerImmutable::~wxItemContainerImmutable()
41{
42 // this destructor is required for Darwin
43}
44
45// ----------------------------------------------------------------------------
46// selection
47// ----------------------------------------------------------------------------
48
49wxString wxItemContainerImmutable::GetStringSelection() const
50{
51 wxString s;
52
53 int sel = GetSelection();
54 if ( sel != wxNOT_FOUND )
55 s = GetString((unsigned int)sel);
56
57 return s;
58}
59
60bool wxItemContainerImmutable::SetStringSelection(const wxString& s)
61{
62 const int sel = FindString(s);
63 if ( sel == wxNOT_FOUND )
64 return false;
65
66 SetSelection(sel);
67
68 return true;
69}
70
71wxArrayString wxItemContainerImmutable::GetStrings() const
72{
73 wxArrayString result;
74
75 const unsigned int count = GetCount();
76 result.Alloc(count);
77 for ( unsigned int n = 0; n < count; n++ )
78 result.Add(GetString(n));
79
80 return result;
81}
82
83// ============================================================================
84// wxItemContainer implementation
85// ============================================================================
86
87wxItemContainer::~wxItemContainer()
88{
89 // this destructor is required for Darwin
90}
91
92// ----------------------------------------------------------------------------
93// deleting items
94// ----------------------------------------------------------------------------
95
96void wxItemContainer::Clear()
97{
98 if ( HasClientObjectData() )
99 {
100 const unsigned count = GetCount();
101 for ( unsigned i = 0; i < count; ++i )
102 ResetItemClientObject(i);
103 }
104
105 m_clientDataItemsType = wxClientData_None;
106
107 DoClear();
108}
109
110void wxItemContainer::Delete(unsigned int pos)
111{
112 wxCHECK_RET( pos < GetCount(), _T("invalid index") );
113
114 if ( HasClientObjectData() )
115 ResetItemClientObject(pos);
116
117 DoDeleteOneItem(pos);
118
119 if ( IsEmpty() )
120 {
121 m_clientDataItemsType = wxClientData_None;
122 }
123}
124
125// ----------------------------------------------------------------------------
126//
127// ----------------------------------------------------------------------------
128
129int wxItemContainer::DoInsertItemsInLoop(const wxArrayStringsAdapter& items,
130 unsigned int pos,
131 void **clientData,
132 wxClientDataType type)
133{
134 int n = wxNOT_FOUND;
135
136 const unsigned int count = items.GetCount();
137 for ( unsigned int i = 0; i < count; ++i )
138 {
139 n = DoInsertOneItem(items[i], pos++);
140 if ( n == wxNOT_FOUND )
141 break;
142
143 AssignNewItemClientData(n, clientData, i, type);
144 }
145
146 return n;
147}
148
149int
150wxItemContainer::DoInsertOneItem(const wxString& WXUNUSED(item),
151 unsigned int WXUNUSED(pos))
152{
153 wxFAIL_MSG( _T("Must be overridden if DoInsertItemsInLoop() is used") );
154
155 return wxNOT_FOUND;
156}
157
158
159// ----------------------------------------------------------------------------
160// client data
161// ----------------------------------------------------------------------------
162
163void wxItemContainer::SetClientObject(unsigned int n, wxClientData *data)
164{
165 wxASSERT_MSG( m_clientDataItemsType == wxClientData_Object ||
166 m_clientDataItemsType == wxClientData_None,
167 wxT("can't have both object and void client data") );
168
169 if ( m_clientDataItemsType == wxClientData_Object )
170 {
171 wxClientData * clientDataOld
172 = wx_static_cast(wxClientData *, DoGetItemClientData(n));
173 if ( clientDataOld )
174 delete clientDataOld;
175 }
176 else // m_clientDataItemsType == wxClientData_None
177 {
178 // now we have object client data
179 DoInitItemClientData();
180
181 m_clientDataItemsType = wxClientData_Object;
182 }
183
184 DoSetItemClientData(n, data);
185}
186
187wxClientData *wxItemContainer::GetClientObject(unsigned int n) const
188{
189 wxCHECK_MSG( m_clientDataItemsType == wxClientData_Object, NULL,
190 wxT("this window doesn't have object client data") );
191
192 return wx_static_cast(wxClientData *, DoGetItemClientData(n));
193}
194
195void wxItemContainer::SetClientData(unsigned int n, void *data)
196{
197 if ( m_clientDataItemsType == wxClientData_None )
198 {
199 DoInitItemClientData();
200 m_clientDataItemsType = wxClientData_Void;
201 }
202
203 wxASSERT_MSG( m_clientDataItemsType == wxClientData_Void,
204 wxT("can't have both object and void client data") );
205
206 DoSetItemClientData(n, data);
207}
208
209void *wxItemContainer::GetClientData(unsigned int n) const
210{
211 wxCHECK_MSG( m_clientDataItemsType == wxClientData_Void, NULL,
212 wxT("this window doesn't have void client data") );
213
214 return DoGetItemClientData(n);
215}
216
217void wxItemContainer::AssignNewItemClientData(unsigned int pos,
218 void **clientData,
219 unsigned int n,
220 wxClientDataType type)
221{
222 switch ( type )
223 {
224 case wxClientData_Object:
225 SetClientObject
226 (
227 pos,
228 (wx_reinterpret_cast(wxClientData **, clientData))[n]
229 );
230 break;
231
232 case wxClientData_Void:
233 SetClientData(pos, clientData[n]);
234 break;
235
236 default:
237 wxFAIL_MSG( _T("unknown client data type") );
238 // fall through
239
240 case wxClientData_None:
241 // nothing to do
242 break;
243 }
244}
245
246void wxItemContainer::ResetItemClientObject(unsigned int n)
247{
248 wxClientData * const data = GetClientObject(n);
249 if ( data )
250 {
251 delete data;
252 DoSetItemClientData(n, NULL);
253 }
254}
255
256// ============================================================================
257// wxControlWithItems implementation
258// ============================================================================
259
260void
261wxControlWithItemsBase::InitCommandEventWithItems(wxCommandEvent& event, int n)
262{
263 InitCommandEvent(event);
264
265 if ( n != wxNOT_FOUND )
266 {
267 if ( HasClientObjectData() )
268 event.SetClientObject(GetClientObject(n));
269 else if ( HasClientUntypedData() )
270 event.SetClientData(GetClientData(n));
271 }
272}
273
274#endif // wxUSE_CONTROLS