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