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(EditorFrame::Get(), -1, _("Preview"),
  65               wxDefaultPosition, wxDefaultSize,
  66               wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR | wxFRAME_TOOL_WINDOW)
  67 {
  68     m_Dirty = FALSE;
  69     ms_Instance = this;
  70     m_Node = NULL;
  71
  72     SetMenuBar(new wxMenuBar());
  73
  74     m_RC = new wxXmlResource;
  75     // these handlers take precedence over std. ones:
  76     m_RC->AddHandler(new MyMenubarHandler(GetMenuBar()));
  77     // std handlers:
  78     m_RC->InitAllHandlers();
  79     m_TmpFile = wxGetTempFileName(_T("wxrcedit"));
  80     m_RC->Load(m_TmpFile);
  81
  82     wxConfigBase *cfg = wxConfigBase::Get();
  83     SetSize(wxRect(wxPoint(cfg->Read(_T("previewframe_x"), -1), cfg->Read(_T("previewframe_y"), -1)),
  84             wxSize(cfg->Read(_T("previewframe_w"), 400), cfg->Read(_T("previewframe_h"), 400))));
  85
  86     m_Splitter = new wxSplitterWindow(this, -1);
  87     m_LogCtrl = new wxTextCtrl(m_Splitter, -1, wxEmptyString, wxDefaultPosition,
  88                                wxDefaultSize, wxTE_MULTILINE);
  89     m_ScrollWin = new wxScrolledWindow(m_Splitter, -1);
  90     m_ScrollWin->SetBackgroundColour(_T("light steel blue"));
  91     m_Splitter->SplitHorizontally(m_ScrollWin, m_LogCtrl, cfg->Read(_T("previewframe_sash"), 300));
  92
  93     CreateStatusBar();
  94
  95     SetSize(GetSize()); // refresh: MSW needs it
  96 }
  97
  98
  99
 100 PreviewFrame::~PreviewFrame()
 101 {
 102     wxConfigBase *cfg = wxConfigBase::Get();
 103     cfg->Write(_T("previewframe_x"), (long)GetPosition().x);
 104     cfg->Write(_T("previewframe_y"), (long)GetPosition().y);
 105     cfg->Write(_T("previewframe_w"), (long)GetSize().x);
 106     cfg->Write(_T("previewframe_h"), (long)GetSize().y);
 107     cfg->Write(_T("previewframe_sash"), (long)m_Splitter->GetSashPosition());
 108
 109     ms_Instance = NULL;
 110
 111     delete m_RC;
 112     wxRemoveFile(m_TmpFile);
 113 }
 114
 115
 116
 117 void PreviewFrame::MakeDirty()
 118 {
 119     if (m_Node == NULL) return;
 120     if (m_Dirty) return;
 121     m_Dirty = TRUE;
 122     m_LogCtrl->Clear();
 123     m_LogCtrl->SetValue(_("Resource modified.\n"
 124                    "Move mouse cursor over the preview window to refresh it."));
 125 }
 126
 127
 128
 129 void PreviewFrame::Preview(wxXmlNode *node)
 130 {
 131    while (node->GetParent()->GetParent() != NULL) node = node->GetParent();
 132
 133    {
 134        wxXmlDocument doc;
 135        doc.SetRoot(new wxXmlNode(wxXML_ELEMENT_NODE, _T("resource")));
 136        doc.GetRoot()->AddChild(new wxXmlNode(*node));
 137
 138        if (XmlGetClass(doc.GetRoot()->GetChildren()) == _T("wxDialog"))
 139            XmlSetClass(doc.GetRoot()->GetChildren(), _T("wxPanel"));
 140
 141        doc.Save(m_TmpFile, wxXML_IO_BIN);
 142        // wxXmlResource will detect change automatically
 143    }
 144
 145
 146    //if (m_Node != node)
 147    {
 148        SetToolBar(NULL);
 149        for (int i = (int)(GetMenuBar()->GetMenuCount())-1; i >= 0; i--)
 150            delete GetMenuBar()->Remove(i);
 151        m_ScrollWin->DestroyChildren();
 152    }
 153
 154    m_Node = node;
 155
 156    m_LogCtrl->Clear();
 157    wxLogTextCtrl mylog(m_LogCtrl);
 158    wxLog *oldlog = wxLog::SetActiveTarget(&mylog);
 159
 160    wxString oldcwd = wxGetCwd();
 161    wxSetWorkingDirectory(wxPathOnly(EditorFrame::Get()->GetFileName()));
 162
 163    if (XmlGetClass(node) == _T("wxMenuBar") || XmlGetClass(node) == _T("wxMenu"))
 164        PreviewMenu();
 165    else if (XmlGetClass(node) == _T("wxToolBar"))
 166        PreviewToolbar();
 167    else if (XmlGetClass(node) == _T("wxPanel") || XmlGetClass(node) == _T("wxDialog"))
 168        PreviewPanel();
 169
 170    wxSetWorkingDirectory(oldcwd);
 171    wxLog::SetActiveTarget(oldlog);
 172
 173    m_Dirty = FALSE;
 174 }
 175
 176
 177
 178 void PreviewFrame::PreviewMenu()
 179 {
 180     wxMenuBar *mbar;
 181
 182     if (XmlGetClass(m_Node) == _T("wxMenuBar"))
 183         mbar = m_RC->LoadMenuBar(m_Node->GetPropVal(_T("name"), _T("-1")));
 184     else
 185     {
 186         wxMenu *m = m_RC->LoadMenu(m_Node->GetPropVal(_T("name"), _T("-1")));
 187         if (m != NULL) GetMenuBar()->Append(m, _("(menu)"));
 188     }
 189
 190     if (mbar == NULL)
 191         wxLogError(_("Cannot preview the menu -- XML resource corrupted."));
 192 }
 193
 194
 195
 196 void PreviewFrame::PreviewToolbar()
 197 {
 198     SetToolBar(m_RC->LoadToolBar(this, m_Node->GetPropVal(_T("name"), _T("-1"))));
 199 }
 200
 201
 202
 203 void PreviewFrame::PreviewPanel()
 204 {
 205     wxPanel *panel = m_RC->LoadPanel(m_ScrollWin, m_Node->GetPropVal(_T("name"), _T("-1")));
 206
 207     if (panel == NULL)
 208         wxLogError(_("Cannot preview the panel -- XML resource corrupted."));
 209     else
 210     {
 211         m_ScrollWin->SetScrollbars(1, 1, panel->GetSize().x, panel->GetSize().y,
 212                                    0, 0, TRUE);
 213     }
 214 }
 215
 216
 217
 218 BEGIN_EVENT_TABLE(PreviewFrame, wxFrame)
 219     EVT_ENTER_WINDOW(PreviewFrame::OnMouseEnter)
 220 END_EVENT_TABLE()
 221
 222 void PreviewFrame::OnMouseEnter(wxMouseEvent& event)
 223 {
 224     if (m_Dirty) Preview(m_Node);
 225 }