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
  67 #ifdef __WXMSW__
  68               | wxFRAME_TOOL_WINDOW
  69 #endif
  70               )
  71 {
  72     m_Dirty = FALSE;
  73     ms_Instance = this;
  74     m_Node = NULL;
  75
  76     SetMenuBar(new wxMenuBar());
  77
  78     m_RC = new wxXmlResource;
  79     // these handlers take precedence over std. ones:
  80     m_RC->AddHandler(new MyMenubarHandler(GetMenuBar()));
  81     // std handlers:
  82     m_RC->InitAllHandlers();
  83     m_TmpFile = wxGetTempFileName(_T("wxrcedit"));
  84     m_RC->Load(m_TmpFile);
  85
  86     wxConfigBase *cfg = wxConfigBase::Get();
  87     SetSize(wxRect(wxPoint(cfg->Read(_T("previewframe_x"), -1), cfg->Read(_T("previewframe_y"), -1)),
  88             wxSize(cfg->Read(_T("previewframe_w"), 400), cfg->Read(_T("previewframe_h"), 400))));
  89
  90     m_Splitter = new wxSplitterWindow(this, -1);
  91     m_LogCtrl = new wxTextCtrl(m_Splitter, -1, wxEmptyString, wxDefaultPosition,
  92                                wxDefaultSize, wxTE_MULTILINE);
  93     m_ScrollWin = new wxScrolledWindow(m_Splitter, -1);
  94     m_ScrollWin->SetBackgroundColour(_T("light steel blue"));
  95     m_Splitter->SplitHorizontally(m_ScrollWin, m_LogCtrl, cfg->Read(_T("previewframe_sash"), 300));
  96
  97     CreateStatusBar();
  98
  99 #ifdef __WXMSW__
 100     SendSizeEvent(); // force resize for WXMSW
 101 #endif
 102 }
 103
 104
 105
 106 PreviewFrame::~PreviewFrame()
 107 {
 108     wxConfigBase *cfg = wxConfigBase::Get();
 109     cfg->Write(_T("previewframe_x"), (long)GetPosition().x);
 110     cfg->Write(_T("previewframe_y"), (long)GetPosition().y);
 111     cfg->Write(_T("previewframe_w"), (long)GetSize().x);
 112     cfg->Write(_T("previewframe_h"), (long)GetSize().y);
 113     cfg->Write(_T("previewframe_sash"), (long)m_Splitter->GetSashPosition());
 114
 115     ms_Instance = NULL;
 116
 117     delete m_RC;
 118     wxRemoveFile(m_TmpFile);
 119 }
 120
 121
 122
 123 void PreviewFrame::MakeDirty()
 124 {
 125     if (m_Node == NULL) return;
 126     if (m_Dirty) return;
 127     m_Dirty = TRUE;
 128     m_LogCtrl->Clear();
 129     m_LogCtrl->SetValue(_("Resource modified.\n"
 130                    "Move mouse cursor over the preview window to refresh it."));
 131 }
 132
 133
 134
 135 void PreviewFrame::Preview(wxXmlNode *node)
 136 {
 137    while (node->GetParent()->GetParent() != NULL) node = node->GetParent();
 138
 139    {
 140        wxXmlDocument doc;
 141        doc.SetRoot(new wxXmlNode(wxXML_ELEMENT_NODE, _T("resource")));
 142        doc.GetRoot()->AddChild(new wxXmlNode(*node));
 143
 144        if (XmlGetClass(doc.GetRoot()->GetChildren()) == _T("wxDialog"))
 145            XmlSetClass(doc.GetRoot()->GetChildren(), _T("wxPanel"));
 146
 147        doc.Save(m_TmpFile, wxXML_IO_BIN);
 148        // wxXmlResource will detect change automatically
 149    }
 150
 151
 152    //if (m_Node != node)
 153    {
 154        SetToolBar(NULL);
 155        for (int i = (int)(GetMenuBar()->GetMenuCount())-1; i >= 0; i--)
 156            delete GetMenuBar()->Remove(i);
 157        m_ScrollWin->DestroyChildren();
 158    }
 159
 160    m_Node = node;
 161
 162    m_LogCtrl->Clear();
 163    wxLogTextCtrl mylog(m_LogCtrl);
 164    wxLog *oldlog = wxLog::SetActiveTarget(&mylog);
 165
 166    wxString oldcwd = wxGetCwd();
 167    wxSetWorkingDirectory(wxPathOnly(EditorFrame::Get()->GetFileName()));
 168
 169    if (XmlGetClass(node) == _T("wxMenuBar") || XmlGetClass(node) == _T("wxMenu"))
 170        PreviewMenu();
 171    else if (XmlGetClass(node) == _T("wxToolBar"))
 172        PreviewToolbar();
 173    else if (XmlGetClass(node) == _T("wxPanel") || XmlGetClass(node) == _T("wxDialog"))
 174        PreviewPanel();
 175
 176    wxSetWorkingDirectory(oldcwd);
 177    wxLog::SetActiveTarget(oldlog);
 178
 179    m_Dirty = FALSE;
 180 }
 181
 182
 183
 184 void PreviewFrame::PreviewMenu()
 185 {
 186     wxMenuBar *mbar;
 187
 188     if (XmlGetClass(m_Node) == _T("wxMenuBar"))
 189         mbar = m_RC->LoadMenuBar(m_Node->GetPropVal(_T("name"), _T("-1")));
 190     else
 191     {
 192         wxMenu *m = m_RC->LoadMenu(m_Node->GetPropVal(_T("name"), _T("-1")));
 193         if (m != NULL) GetMenuBar()->Append(m, _("(menu)"));
 194     }
 195
 196     if (mbar == NULL)
 197         wxLogError(_("Cannot preview the menu -- XML resource corrupted."));
 198 }
 199
 200
 201
 202 void PreviewFrame::PreviewToolbar()
 203 {
 204     SetToolBar(m_RC->LoadToolBar(this, m_Node->GetPropVal(_T("name"), _T("-1"))));
 205 }
 206
 207
 208
 209 void PreviewFrame::PreviewPanel()
 210 {
 211     wxPanel *panel = m_RC->LoadPanel(m_ScrollWin, m_Node->GetPropVal(_T("name"), _T("-1")));
 212
 213     if (panel == NULL)
 214         wxLogError(_("Cannot preview the panel -- XML resource corrupted."));
 215     else
 216     {
 217         m_ScrollWin->SetScrollbars(1, 1, panel->GetSize().x, panel->GetSize().y,
 218                                    0, 0, TRUE);
 219     }
 220 }
 221
 222
 223
 224 BEGIN_EVENT_TABLE(PreviewFrame, wxFrame)
 225     EVT_ENTER_WINDOW(PreviewFrame::OnMouseEnter)
 226 END_EVENT_TABLE()
 227
 228 void PreviewFrame::OnMouseEnter(wxMouseEvent& event)
 229 {
 230     if (m_Dirty) Preview(m_Node);
 231 }