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     SetSize(GetSize()); // refresh: MSW needs it
 100 }
 101
 102
 103
 104 PreviewFrame::~PreviewFrame()
 105 {
 106     wxConfigBase *cfg = wxConfigBase::Get();
 107     cfg->Write(_T("previewframe_x"), (long)GetPosition().x);
 108     cfg->Write(_T("previewframe_y"), (long)GetPosition().y);
 109     cfg->Write(_T("previewframe_w"), (long)GetSize().x);
 110     cfg->Write(_T("previewframe_h"), (long)GetSize().y);
 111     cfg->Write(_T("previewframe_sash"), (long)m_Splitter->GetSashPosition());
 112
 113     ms_Instance = NULL;
 114
 115     delete m_RC;
 116     wxRemoveFile(m_TmpFile);
 117 }
 118
 119
 120
 121 void PreviewFrame::MakeDirty()
 122 {
 123     if (m_Node == NULL) return;
 124     if (m_Dirty) return;
 125     m_Dirty = TRUE;
 126     m_LogCtrl->Clear();
 127     m_LogCtrl->SetValue(_("Resource modified.\n"
 128                    "Move mouse cursor over the preview window to refresh it."));
 129 }
 130
 131
 132
 133 void PreviewFrame::Preview(wxXmlNode *node)
 134 {
 135    while (node->GetParent()->GetParent() != NULL) node = node->GetParent();
 136
 137    {
 138        wxXmlDocument doc;
 139        doc.SetRoot(new wxXmlNode(wxXML_ELEMENT_NODE, _T("resource")));
 140        doc.GetRoot()->AddChild(new wxXmlNode(*node));
 141
 142        if (XmlGetClass(doc.GetRoot()->GetChildren()) == _T("wxDialog"))
 143            XmlSetClass(doc.GetRoot()->GetChildren(), _T("wxPanel"));
 144
 145        doc.Save(m_TmpFile, wxXML_IO_BIN);
 146        // wxXmlResource will detect change automatically
 147    }
 148
 149
 150    //if (m_Node != node)
 151    {
 152        SetToolBar(NULL);
 153        for (int i = (int)(GetMenuBar()->GetMenuCount())-1; i >= 0; i--)
 154            delete GetMenuBar()->Remove(i);
 155        m_ScrollWin->DestroyChildren();
 156    }
 157
 158    m_Node = node;
 159
 160    m_LogCtrl->Clear();
 161    wxLogTextCtrl mylog(m_LogCtrl);
 162    wxLog *oldlog = wxLog::SetActiveTarget(&mylog);
 163
 164    wxString oldcwd = wxGetCwd();
 165    wxSetWorkingDirectory(wxPathOnly(EditorFrame::Get()->GetFileName()));
 166
 167    if (XmlGetClass(node) == _T("wxMenuBar") || XmlGetClass(node) == _T("wxMenu"))
 168        PreviewMenu();
 169    else if (XmlGetClass(node) == _T("wxToolBar"))
 170        PreviewToolbar();
 171    else if (XmlGetClass(node) == _T("wxPanel") || XmlGetClass(node) == _T("wxDialog"))
 172        PreviewPanel();
 173
 174    wxSetWorkingDirectory(oldcwd);
 175    wxLog::SetActiveTarget(oldlog);
 176
 177    m_Dirty = FALSE;
 178 }
 179
 180
 181
 182 void PreviewFrame::PreviewMenu()
 183 {
 184     wxMenuBar *mbar;
 185
 186     if (XmlGetClass(m_Node) == _T("wxMenuBar"))
 187         mbar = m_RC->LoadMenuBar(m_Node->GetPropVal(_T("name"), _T("-1")));
 188     else
 189     {
 190         wxMenu *m = m_RC->LoadMenu(m_Node->GetPropVal(_T("name"), _T("-1")));
 191         if (m != NULL) GetMenuBar()->Append(m, _("(menu)"));
 192     }
 193
 194     if (mbar == NULL)
 195         wxLogError(_("Cannot preview the menu -- XML resource corrupted."));
 196 }
 197
 198
 199
 200 void PreviewFrame::PreviewToolbar()
 201 {
 202     SetToolBar(m_RC->LoadToolBar(this, m_Node->GetPropVal(_T("name"), _T("-1"))));
 203 }
 204
 205
 206
 207 void PreviewFrame::PreviewPanel()
 208 {
 209     wxPanel *panel = m_RC->LoadPanel(m_ScrollWin, m_Node->GetPropVal(_T("name"), _T("-1")));
 210
 211     if (panel == NULL)
 212         wxLogError(_("Cannot preview the panel -- XML resource corrupted."));
 213     else
 214     {
 215         m_ScrollWin->SetScrollbars(1, 1, panel->GetSize().x, panel->GetSize().y,
 216                                    0, 0, TRUE);
 217     }
 218 }
 219
 220
 221
 222 BEGIN_EVENT_TABLE(PreviewFrame, wxFrame)
 223     EVT_ENTER_WINDOW(PreviewFrame::OnMouseEnter)
 224 END_EVENT_TABLE()
 225
 226 void PreviewFrame::OnMouseEnter(wxMouseEvent& event)
 227 {
 228     if (m_Dirty) Preview(m_Node);
 229 }