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: ctrlsub.cpp 39077 2006-05-06 19:05:50Z VZ $
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// appending items
94// ----------------------------------------------------------------------------
95
96void wxItemContainer::Append(const wxArrayString& strings)
97{
98    const size_t count = strings.GetCount();
99    for ( size_t n = 0; n < count; n++ )
100    {
101        Append(strings[n]);
102    }
103}
104
105int wxItemContainer::Insert(const wxString& item, unsigned int pos, void *clientData)
106{
107    int n = DoInsert(item, pos);
108    if ( n != wxNOT_FOUND )
109        SetClientData(n, clientData);
110
111    return n;
112}
113
114int wxItemContainer::Insert(const wxString& item, unsigned int pos, wxClientData *clientData)
115{
116    int n = DoInsert(item, pos);
117    if ( n != wxNOT_FOUND )
118        SetClientObject(n, clientData);
119
120    return n;
121}
122
123// ----------------------------------------------------------------------------
124// client data
125// ----------------------------------------------------------------------------
126
127void wxItemContainer::SetClientObject(unsigned int n, wxClientData *data)
128{
129    wxASSERT_MSG( m_clientDataItemsType != wxClientData_Void,
130                  wxT("can't have both object and void client data") );
131
132    // when we call SetClientObject() for the first time, m_clientDataItemsType
133    // is still wxClientData_None and so calling DoGetItemClientObject() would
134    // fail (in addition to being useless) - don't do it
135    if ( m_clientDataItemsType == wxClientData_Object )
136    {
137        wxClientData *clientDataOld = DoGetItemClientObject(n);
138        if ( clientDataOld )
139            delete clientDataOld;
140    }
141    else // m_clientDataItemsType == wxClientData_None
142    {
143        // now we have object client data
144        m_clientDataItemsType = wxClientData_Object;
145    }
146
147    DoSetItemClientObject(n, data);
148}
149
150wxClientData *wxItemContainer::GetClientObject(unsigned int n) const
151{
152    wxASSERT_MSG( m_clientDataItemsType == wxClientData_Object,
153                  wxT("this window doesn't have object client data") );
154
155    return DoGetItemClientObject(n);
156}
157
158void wxItemContainer::SetClientData(unsigned int n, void *data)
159{
160    wxASSERT_MSG( m_clientDataItemsType != wxClientData_Object,
161                  wxT("can't have both object and void client data") );
162
163    DoSetItemClientData(n, data);
164    m_clientDataItemsType = wxClientData_Void;
165}
166
167void *wxItemContainer::GetClientData(unsigned int n) const
168{
169    wxASSERT_MSG( m_clientDataItemsType == wxClientData_Void,
170                  wxT("this window doesn't have void client data") );
171
172    return DoGetItemClientData(n);
173}
174
175// ============================================================================
176// wxControlWithItems implementation
177// ============================================================================
178
179void wxControlWithItems::InitCommandEventWithItems(wxCommandEvent& event, int n)
180{
181    InitCommandEvent(event);
182
183    if ( n != wxNOT_FOUND )
184    {
185        if ( HasClientObjectData() )
186            event.SetClientObject(GetClientObject(n));
187        else if ( HasClientUntypedData() )
188            event.SetClientData(GetClientData(n));
189    }
190}
191
192wxControlWithItems::~wxControlWithItems()
193{
194    // this destructor is required for Darwin
195}
196
197#endif // wxUSE_CONTROLS
198