unknown controls container can't be subclassed, assert if somebody tries it (as does...
[wxWidgets.git] / src / xrc / xh_unkwn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: xh_unkwn.cpp
3 // Purpose: XRC resource for unknown widget
4 // Author: Vaclav Slavik
5 // Created: 2000/09/09
6 // RCS-ID: $Id$
7 // Copyright: (c) 2000 Vaclav Slavik
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 #ifdef __GNUG__
12 #pragma implementation "xh_unkwn.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_unkwn.h"
23 #include "wx/window.h"
24 #include "wx/log.h"
25 #include "wx/sizer.h"
26 #include "wx/panel.h"
27
28
29 class wxUnknownControlContainer : public wxPanel
30 {
31 public:
32 wxUnknownControlContainer(wxWindow *parent,
33 const wxString& controlName,
34 wxWindowID id = -1,
35 const wxPoint& pos = wxDefaultPosition,
36 const wxSize& size = wxDefaultSize,
37 long style = 0)
38 // Always add the wxTAB_TRAVERSAL and wxNO_BORDER styles to what comes
39 // from the XRC if anything.
40 : wxPanel(parent, id, pos, size, style | wxTAB_TRAVERSAL | wxNO_BORDER,
41 controlName + wxT("_container")),
42 m_controlName(controlName), m_controlAdded(false)
43 {
44 m_bg = GetBackgroundColour();
45 SetBackgroundColour(wxColour(255, 0, 255));
46 }
47
48 virtual void AddChild(wxWindowBase *child);
49 virtual void RemoveChild(wxWindowBase *child);
50
51 protected:
52 wxString m_controlName;
53 bool m_controlAdded;
54 wxColour m_bg;
55 };
56
57 void wxUnknownControlContainer::AddChild(wxWindowBase *child)
58 {
59 wxASSERT_MSG( !m_controlAdded, wxT("Couldn't add two unknown controls to the same container!") );
60
61 wxPanel::AddChild(child);
62
63 SetBackgroundColour(m_bg);
64 child->SetName(m_controlName);
65 child->SetId(wxXmlResource::GetXRCID(m_controlName));
66 m_controlAdded = true;
67
68 wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
69 sizer->Add((wxWindow*)child, 1, wxEXPAND);
70 SetSizer(sizer);
71 SetAutoLayout(true);
72 Layout();
73 }
74
75 void wxUnknownControlContainer::RemoveChild(wxWindowBase *child)
76 {
77 wxPanel::RemoveChild(child);
78 m_controlAdded = false;
79 GetSizer()->Detach((wxWindow*)child);
80 }
81
82
83 IMPLEMENT_DYNAMIC_CLASS(wxUnknownWidgetXmlHandler, wxXmlResourceHandler)
84
85 wxUnknownWidgetXmlHandler::wxUnknownWidgetXmlHandler()
86 : wxXmlResourceHandler()
87 {
88 XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
89 }
90
91 wxObject *wxUnknownWidgetXmlHandler::DoCreateResource()
92 {
93 wxASSERT_MSG( m_instance == NULL,
94 _T("'unknown' controls can't be subclassed, use wxXmlResource::AttachUnknownControl") );
95
96 wxPanel *panel =
97 new wxUnknownControlContainer(m_parentAsWindow,
98 GetName(), -1,
99 GetPosition(), GetSize(),
100 GetStyle(wxT("style")));
101 SetupWindow(panel);
102 return panel;
103 }
104
105 bool wxUnknownWidgetXmlHandler::CanHandle(wxXmlNode *node)
106 {
107 return IsOfClass(node, wxT("unknown"));
108 }
109