contrib/utils/wxrcedit/preview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Author:      Vaclav Slavik
   3 // Created:     2000/05/05
   4 // RCS-ID:      $Id$
   5 // Copyright:   (c) 2000 Vaclav Slavik
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #ifdef __GNUG__
  10     #pragma implementation "preview.h"
  11 #endif
  12
  13 // For compilers that support precompilation, includes "wx/wx.h".
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #include "wx/wx.h"
  21 #include "wx/xml/xml.h"
  22 #include "wx/xml/xmlres.h"
  23 #include "wx/config.h"
  24 #include "wx/log.h"
  25 #include "wx/splitter.h"
  26 #include "preview.h"
  27 #include "xmlhelpr.h"
  28 #include "editor.h"
  29
  30 #include "wx/xml/xh_menu.h"
  31
  32 class MyMenubarHandler : public wxMenuBarXmlHandler
  33 {
  34     public:
  35         MyMenubarHandler(wxMenuBar *mbar) : m_MenuBar(mbar) {}
  36
  37         wxObject *DoCreateResource()
  38         {
  39             //wxMenuBar *menubar = new wxMenuBar(GetStyle());
  40             CreateChildren(m_MenuBar);
  41             return m_MenuBar;
  42         }
  43
  44     private:
  45         wxMenuBar *m_MenuBar;
  46 };
  47
  48
  49
  50
  51 PreviewFrame* PreviewFrame::ms_Instance = NULL;
  52
  53 PreviewFrame *PreviewFrame::Get()
  54 {
  55     if (ms_Instance == NULL)
  56     {
  57         (void)new PreviewFrame;
  58         ms_Instance->Show(TRUE);
  59     }
  60     return ms_Instance;
  61 }
  62
  63 PreviewFrame::PreviewFrame()
  64     : wxFrame(NULL, -1, _("Preview"))
  65 {
  66     ms_Instance = this;
  67     m_Node = NULL;
  68
  69     SetMenuBar(new wxMenuBar());
  70
  71     m_RC = new wxXmlResource;
  72     // these handlers take precedence over std. ones:
  73     m_RC->AddHandler(new MyMenubarHandler(GetMenuBar()));
  74     // std handlers:
  75     m_RC->InitAllHandlers();
  76     m_TmpFile = wxGetTempFileName(_T("wxrcedit"));
  77     m_RC->Load(m_TmpFile);
  78
  79     wxConfigBase *cfg = wxConfigBase::Get();
  80     SetSize(wxRect(wxPoint(cfg->Read(_T("previewframe_x"), -1), cfg->Read(_T("previewframe_y"), -1)),
  81             wxSize(cfg->Read(_T("previewframe_w"), 400), cfg->Read(_T("previewframe_h"), 400))));
  82
  83     m_Splitter = new wxSplitterWindow(this, -1);
  84     m_LogCtrl = new wxTextCtrl(m_Splitter, -1, wxEmptyString, wxDefaultPosition,
  85                                wxDefaultSize, wxTE_MULTILINE);
  86     m_ScrollWin = new wxScrolledWindow(m_Splitter, -1);
  87     m_ScrollWin->SetBackgroundColour(_T("light steel blue"));
  88     m_Splitter->SplitHorizontally(m_ScrollWin, m_LogCtrl, cfg->Read(_T("previewframe_sash"), 300));
  89
  90     CreateStatusBar();
  91 }
  92
  93
  94
  95 PreviewFrame::~PreviewFrame()
  96 {
  97     wxConfigBase *cfg = wxConfigBase::Get();
  98     cfg->Write(_T("previewframe_x"), (long)GetPosition().x);
  99     cfg->Write(_T("previewframe_y"), (long)GetPosition().y);
 100     cfg->Write(_T("previewframe_w"), (long)GetSize().x);
 101     cfg->Write(_T("previewframe_h"), (long)GetSize().y);
 102     cfg->Write(_T("previewframe_sash"), (long)m_Splitter->GetSashPosition());
 103
 104     ms_Instance = NULL;
 105
 106     delete m_RC;
 107     wxRemoveFile(m_TmpFile);
 108 }
 109
 110
 111
 112 void PreviewFrame::Preview(wxXmlNode *node)
 113 {
 114    while (node->GetParent()->GetParent() != NULL) node = node->GetParent();
 115
 116    {
 117        wxXmlDocument doc;
 118        doc.SetRoot(new wxXmlNode(wxXML_ELEMENT_NODE, _T("resource")));
 119        doc.GetRoot()->AddChild(new wxXmlNode(*node));
 120
 121        if (XmlGetClass(doc.GetRoot()->GetChildren()) == _T("wxDialog"))
 122            XmlSetClass(doc.GetRoot()->GetChildren(), _T("wxPanel"));
 123
 124        doc.Save(m_TmpFile, wxXML_IO_BIN);
 125        // wxXmlResource will detect change automatically
 126    }
 127
 128
 129    //if (m_Node != node)
 130    {
 131        SetToolBar(NULL);
 132        for (int i = (int)(GetMenuBar()->GetMenuCount())-1; i >= 0; i--)
 133            delete GetMenuBar()->Remove(i);
 134        m_ScrollWin->DestroyChildren();
 135    }
 136
 137    m_Node = node;
 138
 139    m_LogCtrl->Clear();
 140    wxLogTextCtrl mylog(m_LogCtrl);
 141    wxLog *oldlog = wxLog::SetActiveTarget(&mylog);
 142
 143    wxString oldcwd = wxGetCwd();
 144    wxSetWorkingDirectory(wxPathOnly(EditorFrame::Get()->GetFileName()));
 145
 146    if (XmlGetClass(node) == _T("wxMenuBar") || XmlGetClass(node) == _T("wxMenu"))
 147        PreviewMenu();
 148    else if (XmlGetClass(node) == _T("wxToolBar"))
 149        PreviewToolbar();
 150    else if (XmlGetClass(node) == _T("wxPanel") || XmlGetClass(node) == _T("wxDialog"))
 151        PreviewPanel();
 152
 153    wxSetWorkingDirectory(oldcwd);
 154    wxLog::SetActiveTarget(oldlog);
 155 }
 156
 157
 158
 159 void PreviewFrame::PreviewMenu()
 160 {
 161     wxMenuBar *mbar;
 162
 163     if (XmlGetClass(m_Node) == _T("wxMenuBar"))
 164         mbar = m_RC->LoadMenuBar(m_Node->GetPropVal(_T("name"), _T("-1")));
 165     else
 166     {
 167         wxMenu *m = m_RC->LoadMenu(m_Node->GetPropVal(_T("name"), _T("-1")));
 168         if (m != NULL) GetMenuBar()->Append(m, _("(menu)"));
 169     }
 170
 171     if (mbar == NULL)
 172         wxLogError(_("Cannot preview the menu -- XML resource corrupted."));
 173 }
 174
 175
 176
 177 void PreviewFrame::PreviewToolbar()
 178 {
 179     SetToolBar(m_RC->LoadToolBar(this, m_Node->GetPropVal(_T("name"), _T("-1"))));
 180 }
 181
 182
 183
 184 void PreviewFrame::PreviewPanel()
 185 {
 186     wxPanel *panel = m_RC->LoadPanel(m_ScrollWin, m_Node->GetPropVal(_T("name"), _T("-1")));
 187
 188     if (panel == NULL)
 189         wxLogError(_("Cannot preview the panel -- XML resource corrupted."));
 190     else
 191     {
 192         m_ScrollWin->SetScrollbars(1, 1, panel->GetSize().x, panel->GetSize().y,
 193                                    0, 0, TRUE);
 194     }
 195 }