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