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fix for stupid segfault
[wxWidgets.git] / contrib / src / xrc / xh_chckl.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: xh_chckl.cpp
3 // Purpose: XRC resource for wxCheckList
4 // Author: Bob Mitchell
5 // Created: 2000/03/21
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_chckl.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_chckl.h"
23 #include "wx/checklst.h"
24
25 wxCheckListXmlHandler::wxCheckListXmlHandler()
26 : wxXmlResourceHandler(), m_insideBox(FALSE)
27 {
28 // no styles
29 AddWindowStyles();
30 }
31
32 wxObject *wxCheckListXmlHandler::DoCreateResource()
33 {
34 if (m_class == wxT("wxCheckList"))
35 {
36 // need to build the list of strings from children
37 m_insideBox = TRUE;
38 CreateChildrenPrivately(NULL, GetParamNode(wxT("content")));
39 wxString *strings = (wxString *) NULL;
40 if( strList.GetCount() > 0 )
41 {
42 strings = new wxString[strList.GetCount()];
43 int count = strList.GetCount();
44 for( int i = 0; i < count; i++ )
45 strings[i]=strList[i];
46 }
47
48
49 wxCheckListBox *control = new wxCheckListBox(m_parentAsWindow,
50 GetID(),
51 GetPosition(), GetSize(),
52 strList.GetCount(),
53 strings,
54 GetStyle(),
55 wxDefaultValidator,
56 GetName()
57 );
58
59 // step through children myself (again.)
60 wxXmlNode *n = GetParamNode(wxT("content"));
61 if (n) n = n->GetChildren();
62 int i = 0;
63 while (n)
64 {
65 if (n->GetType() != wxXML_ELEMENT_NODE ||
66 n->GetName() != wxT("item"))
67 { n = n->GetNext(); continue; }
68
69 // checking boolean is a bit ugly here (see GetBool() )
70 wxString v = n->GetPropVal(wxT("checked"), wxEmptyString);
71 v.MakeLower();
72 if (v && v == wxT("1"))
73 control->Check( i, TRUE );
74
75 i++;
76 n = n->GetNext();
77 }
78
79 SetupWindow(control);
80
81 if( strings != NULL )
82 delete [] strings;
83 strList.Clear(); // dump the strings
84
85 return control;
86 }
87 else
88 {
89 // on the inside now.
90 // handle <item checked="boolean">Label</item>
91
92 // add to the list
93 strList.Add( GetNodeContent(m_node) );
94
95 return NULL;
96 }
97
98 }
99
100
101
102 bool wxCheckListXmlHandler::CanHandle(wxXmlNode *node)
103 {
104 return (IsOfClass(node, wxT("wxCheckList")) ||
105 (m_insideBox && node->GetName() == wxT("item"))
106 );
107 }
108
109