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/xrc/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/xrc/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(), wxID_ANY, _("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 = NULL;
  79     m_TmpFile = wxGetTempFileName(_T("wxrcedit"));
  80     ResetResource();
  81
  82     wxConfigBase *cfg = wxConfigBase::Get();
  83     SetSize(wxRect(wxPoint(cfg->Read(_T("previewframe_x"), wxDefaultCoord), cfg->Read(_T("previewframe_y"), wxDefaultCoord)),
  84             wxSize(cfg->Read(_T("previewframe_w"), 400), cfg->Read(_T("previewframe_h"), 400))));
  85
  86     m_Splitter = new wxSplitterWindow(this, wxID_ANY);
  87 #if wxUSE_LOG
  88     m_LogCtrl = new wxTextCtrl(m_Splitter, wxID_ANY, wxEmptyString, wxDefaultPosition,
  89                                wxDefaultSize, wxTE_MULTILINE);
  90 #endif // wxUSE_LOG
  91     m_ScrollWin = new wxScrolledWindow(m_Splitter, wxID_ANY);
  92     m_ScrollWin->SetBackgroundColour(_T("light steel blue"));
  93 #if wxUSE_LOG
  94     m_Splitter->SplitHorizontally(m_ScrollWin, m_LogCtrl, cfg->Read(_T("previewframe_sash"), 300));
  95 #endif // wxUSE_LOG
  96
  97 #if wxUSE_STATUSBAR
  98     CreateStatusBar();
  99 #endif // wxUSE_STATUSBAR
 100
 101 #ifdef __WXMSW__
 102     SendSizeEvent(); // force resize for WXMSW
 103 #endif
 104 }
 105
 106
 107
 108 void PreviewFrame::ResetResource()
 109 {
 110     delete m_RC;
 111     m_RC = new wxXmlResource;
 112     // these handlers take precedence over std. ones:
 113     m_RC->AddHandler(new MyMenubarHandler(GetMenuBar()));
 114     // std handlers:
 115     m_RC->InitAllHandlers();
 116     wxRemoveFile(m_TmpFile);
 117     m_RC->Load(m_TmpFile);
 118 }
 119
 120 PreviewFrame::~PreviewFrame()
 121 {
 122     wxConfigBase *cfg = wxConfigBase::Get();
 123     cfg->Write(_T("previewframe_x"), (long)GetPosition().x);
 124     cfg->Write(_T("previewframe_y"), (long)GetPosition().y);
 125     cfg->Write(_T("previewframe_w"), (long)GetSize().x);
 126     cfg->Write(_T("previewframe_h"), (long)GetSize().y);
 127     cfg->Write(_T("previewframe_sash"), (long)m_Splitter->GetSashPosition());
 128
 129     ms_Instance = NULL;
 130
 131     delete m_RC;
 132     wxRemoveFile(m_TmpFile);
 133 }
 134
 135
 136
 137 void PreviewFrame::MakeDirty()
 138 {
 139     if (m_Node == NULL) return;
 140     if (m_Dirty) return;
 141     m_Dirty = true;
 142 #if wxUSE_LOG
 143     m_LogCtrl->Clear();
 144     m_LogCtrl->SetValue(_("Resource modified.\nMove mouse cursor over the preview window to refresh it."));
 145 #endif // wxUSE_LOG
 146 }
 147
 148
 149
 150 void PreviewFrame::Preview(wxXmlNode *node, wxXmlDocument *orig_doc)
 151 {
 152    wxString version = orig_doc->GetRoot()->GetPropVal(wxT("version"), wxT("0.0.0.0"));
 153
 154    while (node->GetParent()->GetParent() != NULL) node = node->GetParent();
 155
 156    {
 157        wxXmlDocument doc;
 158        wxXmlNode *root = new wxXmlNode(wxXML_ELEMENT_NODE, _T("resource"));
 159        root->AddProperty(new wxXmlProperty(wxT("version"),version,NULL));
 160        doc.SetRoot(root);
 161        doc.GetRoot()->AddChild(new wxXmlNode(*node));
 162        doc.SetFileEncoding(orig_doc->GetFileEncoding());
 163
 164        if (XmlGetClass(doc.GetRoot()->GetChildren()) == _T("wxDialog"))
 165            XmlSetClass(doc.GetRoot()->GetChildren(), _T("wxPanel"));
 166
 167        if (XmlGetClass(doc.GetRoot()->GetChildren()) == _T("wxFrame"))
 168            XmlSetClass(doc.GetRoot()->GetChildren(), _T("wxPanel"));
 169
 170        doc.Save(m_TmpFile);
 171        // wxXmlResource will detect change automatically
 172    }
 173
 174
 175    //if (m_Node != node)
 176    {
 177        SetToolBar(NULL);
 178        for (int i = (int)(GetMenuBar()->GetMenuCount())-1; i >= 0; i--)
 179            delete GetMenuBar()->Remove(i);
 180        m_ScrollWin->DestroyChildren();
 181    }
 182
 183    m_Node = node;
 184    m_Doc = orig_doc;
 185
 186 #if wxUSE_LOG
 187    m_LogCtrl->Clear();
 188    wxLogTextCtrl mylog(m_LogCtrl);
 189    wxLog *oldlog = wxLog::SetActiveTarget(&mylog);
 190 #endif // wxUSE_LOG
 191
 192    wxString oldcwd = wxGetCwd();
 193    wxSetWorkingDirectory(wxPathOnly(EditorFrame::Get()->GetFileName()));
 194
 195    if (XmlGetClass(node) == _T("wxMenuBar") || XmlGetClass(node) == _T("wxMenu"))
 196        PreviewMenu();
 197    else if (XmlGetClass(node) == _T("wxToolBar"))
 198        PreviewToolbar();
 199    else if (XmlGetClass(node) == _T("wxPanel") || XmlGetClass(node) == _T("wxDialog"))
 200        PreviewPanel();
 201    else if (XmlGetClass(node) == _T("wxFrame"))
 202        PreviewWXFrame();
 203
 204    wxSetWorkingDirectory(oldcwd);
 205 #if wxUSE_LOG
 206    wxLog::SetActiveTarget(oldlog);
 207 #endif // wxUSE_LOG
 208
 209    m_Dirty = false;
 210 }
 211
 212
 213
 214 void PreviewFrame::PreviewMenu()
 215 {
 216     wxMenuBar *mbar = NULL;
 217
 218     if (XmlGetClass(m_Node) == _T("wxMenuBar"))
 219         mbar = m_RC->LoadMenuBar(m_Node->GetPropVal(_T("name"), _T("-1")));
 220     else
 221     {
 222         wxMenu *m = m_RC->LoadMenu(m_Node->GetPropVal(_T("name"), _T("-1")));
 223         if (m != NULL) GetMenuBar()->Append(m, _("(menu)"));
 224     }
 225
 226     if (mbar == NULL)
 227         wxLogError(_("Cannot preview the menu -- XML resource corrupted."));
 228 }
 229
 230
 231
 232 void PreviewFrame::PreviewToolbar()
 233 {
 234     SetToolBar(m_RC->LoadToolBar(this, m_Node->GetPropVal(_T("name"), _T("-1"))));
 235 }
 236
 237
 238
 239 void PreviewFrame::PreviewPanel()
 240 {
 241     wxPanel *panel = m_RC->LoadPanel(m_ScrollWin, m_Node->GetPropVal(_T("name"), _T("-1")));
 242
 243     if (panel == NULL)
 244         wxLogError(_("Cannot preview the panel -- XML resource corrupted."));
 245     else
 246     {
 247         m_ScrollWin->SetScrollbars(1, 1, panel->GetSize().x, panel->GetSize().y,
 248                                    0, 0, true);
 249     }
 250 }
 251
 252 void PreviewFrame::PreviewWXFrame()
 253 {
 254     //for this to work the frame MUST have a child panel!
 255
 256     wxXmlNode* child = m_Node;
 257     wxString name;
 258
 259     while( child != NULL)
 260     {
 261         name = child->GetPropVal(_T("name"), _T("-1"));
 262
 263         if(name != _T("-1"))
 264         {
 265             wxXmlNode* parent = child->GetParent();
 266             if(parent->GetPropVal(_T("class"),_T("-1")) == _T("wxPanel"))
 267                 break;
 268         }
 269         child = child->GetNext();
 270     }
 271
 272     wxPanel *panel = m_RC->LoadPanel(m_ScrollWin, name);
 273
 274     if (panel == NULL)
 275         wxLogError(_("Cannot preview the panel -- XML resource corrupted."));
 276     else
 277     {
 278         m_ScrollWin->SetScrollbars(1, 1, panel->GetSize().x, panel->GetSize().y,
 279                                    0, 0, true);
 280     }
 281
 282 }
 283
 284 BEGIN_EVENT_TABLE(PreviewFrame, wxFrame)
 285     EVT_ENTER_WINDOW(PreviewFrame::OnMouseEnter)
 286 END_EVENT_TABLE()
 287
 288 void PreviewFrame::OnMouseEnter(wxMouseEvent& WXUNUSED(event))
 289 {
 290     if (m_Dirty) Preview(m_Node,m_Doc);
 291 }