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     m_Dirty = FALSE;
  67     ms_Instance = this;
  68     m_Node = NULL;
  69
  70     SetMenuBar(new wxMenuBar());
  71
  72     m_RC = new wxXmlResource;
  73     // these handlers take precedence over std. ones:
  74     m_RC->AddHandler(new MyMenubarHandler(GetMenuBar()));
  75     // std handlers:
  76     m_RC->InitAllHandlers();
  77     m_TmpFile = wxGetTempFileName(_T("wxrcedit"));
  78     m_RC->Load(m_TmpFile);
  79
  80     wxConfigBase *cfg = wxConfigBase::Get();
  81     SetSize(wxRect(wxPoint(cfg->Read(_T("previewframe_x"), -1), cfg->Read(_T("previewframe_y"), -1)),
  82             wxSize(cfg->Read(_T("previewframe_w"), 400), cfg->Read(_T("previewframe_h"), 400))));
  83
  84     m_Splitter = new wxSplitterWindow(this, -1);
  85     m_LogCtrl = new wxTextCtrl(m_Splitter, -1, wxEmptyString, wxDefaultPosition,
  86                                wxDefaultSize, wxTE_MULTILINE);
  87     m_ScrollWin = new wxScrolledWindow(m_Splitter, -1);
  88     m_ScrollWin->SetBackgroundColour(_T("light steel blue"));
  89     m_Splitter->SplitHorizontally(m_ScrollWin, m_LogCtrl, cfg->Read(_T("previewframe_sash"), 300));
  90
  91     CreateStatusBar();
  92 }
  93
  94
  95
  96 PreviewFrame::~PreviewFrame()
  97 {
  98     wxConfigBase *cfg = wxConfigBase::Get();
  99     cfg->Write(_T("previewframe_x"), (long)GetPosition().x);
 100     cfg->Write(_T("previewframe_y"), (long)GetPosition().y);
 101     cfg->Write(_T("previewframe_w"), (long)GetSize().x);
 102     cfg->Write(_T("previewframe_h"), (long)GetSize().y);
 103     cfg->Write(_T("previewframe_sash"), (long)m_Splitter->GetSashPosition());
 104
 105     ms_Instance = NULL;
 106
 107     delete m_RC;
 108     wxRemoveFile(m_TmpFile);
 109 }
 110
 111
 112
 113 void PreviewFrame::MakeDirty()
 114 {
 115     if (m_Node == NULL) return;
 116     if (m_Dirty) return;
 117     m_Dirty = TRUE;
 118     m_LogCtrl->Clear();
 119     m_LogCtrl->SetValue(_("Resource modified.\n"
 120                    "Move mouse cursor over the preview window to refresh it."));
 121 }
 122
 123
 124
 125 void PreviewFrame::Preview(wxXmlNode *node)
 126 {
 127    while (node->GetParent()->GetParent() != NULL) node = node->GetParent();
 128
 129    {
 130        wxXmlDocument doc;
 131        doc.SetRoot(new wxXmlNode(wxXML_ELEMENT_NODE, _T("resource")));
 132        doc.GetRoot()->AddChild(new wxXmlNode(*node));
 133
 134        if (XmlGetClass(doc.GetRoot()->GetChildren()) == _T("wxDialog"))
 135            XmlSetClass(doc.GetRoot()->GetChildren(), _T("wxPanel"));
 136
 137        doc.Save(m_TmpFile, wxXML_IO_BIN);
 138        // wxXmlResource will detect change automatically
 139    }
 140
 141
 142    //if (m_Node != node)
 143    {
 144        SetToolBar(NULL);
 145        for (int i = (int)(GetMenuBar()->GetMenuCount())-1; i >= 0; i--)
 146            delete GetMenuBar()->Remove(i);
 147        m_ScrollWin->DestroyChildren();
 148    }
 149
 150    m_Node = node;
 151
 152    m_LogCtrl->Clear();
 153    wxLogTextCtrl mylog(m_LogCtrl);
 154    wxLog *oldlog = wxLog::SetActiveTarget(&mylog);
 155
 156    wxString oldcwd = wxGetCwd();
 157    wxSetWorkingDirectory(wxPathOnly(EditorFrame::Get()->GetFileName()));
 158
 159    if (XmlGetClass(node) == _T("wxMenuBar") || XmlGetClass(node) == _T("wxMenu"))
 160        PreviewMenu();
 161    else if (XmlGetClass(node) == _T("wxToolBar"))
 162        PreviewToolbar();
 163    else if (XmlGetClass(node) == _T("wxPanel") || XmlGetClass(node) == _T("wxDialog"))
 164        PreviewPanel();
 165
 166    wxSetWorkingDirectory(oldcwd);
 167    wxLog::SetActiveTarget(oldlog);
 168
 169    m_Dirty = FALSE;
 170 }
 171
 172
 173
 174 void PreviewFrame::PreviewMenu()
 175 {
 176     wxMenuBar *mbar;
 177
 178     if (XmlGetClass(m_Node) == _T("wxMenuBar"))
 179         mbar = m_RC->LoadMenuBar(m_Node->GetPropVal(_T("name"), _T("-1")));
 180     else
 181     {
 182         wxMenu *m = m_RC->LoadMenu(m_Node->GetPropVal(_T("name"), _T("-1")));
 183         if (m != NULL) GetMenuBar()->Append(m, _("(menu)"));
 184     }
 185
 186     if (mbar == NULL)
 187         wxLogError(_("Cannot preview the menu -- XML resource corrupted."));
 188 }
 189
 190
 191
 192 void PreviewFrame::PreviewToolbar()
 193 {
 194     SetToolBar(m_RC->LoadToolBar(this, m_Node->GetPropVal(_T("name"), _T("-1"))));
 195 }
 196
 197
 198
 199 void PreviewFrame::PreviewPanel()
 200 {
 201     wxPanel *panel = m_RC->LoadPanel(m_ScrollWin, m_Node->GetPropVal(_T("name"), _T("-1")));
 202
 203     if (panel == NULL)
 204         wxLogError(_("Cannot preview the panel -- XML resource corrupted."));
 205     else
 206     {
 207         m_ScrollWin->SetScrollbars(1, 1, panel->GetSize().x, panel->GetSize().y,
 208                                    0, 0, TRUE);
 209     }
 210 }
 211
 212
 213
 214 BEGIN_EVENT_TABLE(PreviewFrame, wxFrame)
 215     EVT_ENTER_WINDOW(PreviewFrame::OnMouseEnter)
 216 END_EVENT_TABLE()
 217
 218 void PreviewFrame::OnMouseEnter(wxMouseEvent& event)
 219 {
 220     if (m_Dirty) Preview(m_Node);
 221 }