use a programmer-friendly macro for subclassing
[wxWidgets.git] / src / xrc / xh_listb.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: xh_listb.cpp
3 // Purpose: XRC resource for wxListBox
4 // Author: Bob Mitchell & Vaclav Slavik
5 // Created: 2000/07/29
6 // RCS-ID: $Id$
7 // Copyright: (c) 2000 Bob Mitchell and Verant Interactive
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 #ifdef __GNUG__
12 #pragma implementation "xh_listb.h"
13 #endif
14
15 // For compilers that support precompilation, includes "wx.h".
16 #include "wx/wxprec.h"
17
18 #ifdef __BORLANDC__
19 #pragma hdrstop
20 #endif
21
22 #include "wx/xrc/xh_listb.h"
23 #include "wx/listbox.h"
24
25 wxListBoxXmlHandler::wxListBoxXmlHandler()
26 : wxXmlResourceHandler() , m_insideBox(FALSE)
27 {
28 XRC_ADD_STYLE(wxLB_SINGLE);
29 XRC_ADD_STYLE(wxLB_MULTIPLE);
30 XRC_ADD_STYLE(wxLB_EXTENDED);
31 XRC_ADD_STYLE(wxLB_HSCROLL);
32 XRC_ADD_STYLE(wxLB_ALWAYS_SB);
33 XRC_ADD_STYLE(wxLB_NEEDED_SB);
34 XRC_ADD_STYLE(wxLB_SORT);
35 AddWindowStyles();
36 }
37
38 wxObject *wxListBoxXmlHandler::DoCreateResource()
39 {
40 if( m_class == wxT("wxListBox"))
41 {
42 // find the selection
43 long selection = GetLong(wxT("selection"), -1);
44
45 // need to build the list of strings from children
46 m_insideBox = TRUE;
47 CreateChildrenPrivately(NULL, GetParamNode(wxT("content")));
48 wxString *strings = (wxString *) NULL;
49 if (strList.GetCount() > 0)
50 {
51 strings = new wxString[strList.GetCount()];
52 int count = strList.GetCount();
53 for (int i = 0; i < count; i++)
54 strings[i]=strList[i];
55 }
56
57 XRC_MAKE_INSTANCE(control, wxListBox)
58
59 control->Create(m_parentAsWindow,
60 GetID(),
61 GetPosition(), GetSize(),
62 strList.GetCount(),
63 strings,
64 GetStyle(),
65 wxDefaultValidator,
66 GetName());
67
68 if (selection != -1)
69 control->SetSelection(selection);
70
71 SetupWindow(control);
72
73 if (strings != NULL)
74 delete[] strings;
75 strList.Clear(); // dump the strings
76
77 return control;
78 }
79 else
80 {
81 // on the inside now.
82 // handle <item>Label</item>
83
84 // add to the list
85 strList.Add(GetNodeContent(m_node));
86
87 return NULL;
88 }
89 }
90
91 bool wxListBoxXmlHandler::CanHandle(wxXmlNode *node)
92 {
93 return (IsOfClass(node, wxT("wxListBox")) ||
94 (m_insideBox && node->GetName() == wxT("item")));
95 }