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Minor samples/docview refactoring (closes #10081)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57949 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Francesco Montorsi
2009-01-09 16:01:34 +00:00
parent 545afdcd41
commit 828c8f98d5
2 changed files with 60 additions and 39 deletions
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70
samples/docview/doc.cpp
View File

@@ -170,43 +170,49 @@ DocumentIstream& DoodleSegment::LoadObject(DocumentIstream& istream)
return istream; return istream;
} }
// ----------------------------------------------------------------------------
// wxTextDocument: wxDocument and wxTextCtrl married
// ----------------------------------------------------------------------------
IMPLEMENT_CLASS(wxTextDocument, wxDocument)
// Since text windows have their own method for saving to/loading from files,
// we override DoSave/OpenDocument instead of Save/LoadObject
bool wxTextDocument::DoSaveDocument(const wxString& filename)
{
return GetTextCtrl()->SaveFile(filename);
}
bool wxTextDocument::DoOpenDocument(const wxString& filename)
{
return GetTextCtrl()->LoadFile(filename);
}
bool wxTextDocument::IsModified() const
{
wxTextCtrl* wnd = GetTextCtrl();
return wxDocument::IsModified() || (wnd && wnd->IsModified());
}
void wxTextDocument::Modify(bool modified)
{
wxDocument::Modify(modified);
wxTextCtrl* wnd = GetTextCtrl();
if (wnd && !modified)
{
wnd->DiscardEdits();
}
}
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// TextEditDocument implementation // TextEditDocument implementation
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(TextEditDocument, wxDocument) IMPLEMENT_DYNAMIC_CLASS(TextEditDocument, wxDocument)
// Since text windows have their own method for saving to/loading from files, wxTextCtrl* TextEditDocument::GetTextCtrl() const
// we override DoSave/OpenDocument instead of Save/LoadObject
bool TextEditDocument::DoSaveDocument(const wxString& filename)
{ {
return GetFirstView()->GetText()->SaveFile(filename); wxView* view = GetFirstView();
return view ? wxStaticCast(view, TextEditView)->GetText() : NULL;
} }
bool TextEditDocument::DoOpenDocument(const wxString& filename)
{
return GetFirstView()->GetText()->LoadFile(filename);
}
bool TextEditDocument::IsModified() const
{
TextEditView* view = GetFirstView();
return wxDocument::IsModified() || (view && view->GetText()->IsModified());
}
void TextEditDocument::Modify(bool modified)
{
TextEditView* view = GetFirstView();
wxDocument::Modify(modified);
if ( !modified && view && view->GetText() )
view->GetText()->DiscardEdits();
}
TextEditView* TextEditDocument::GetFirstView() const
{
wxView* view = wxDocument::GetFirstView();
return view ? wxStaticCast(view, TextEditView) : NULL;
}

29
samples/docview/doc.h
View File

@@ -157,21 +157,36 @@ public:
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// A simple text document class // wxTextDocument: wxDocument and wxTextCtrl married
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
class TextEditView; class wxTextDocument : public wxDocument
class TextEditDocument : public wxDocument
{ {
public: public:
TextEditDocument() : wxDocument() { } wxTextDocument() : wxDocument() { }
TextEditView *GetFirstView() const; virtual wxTextCtrl* GetTextCtrl() const = 0;
virtual bool DoSaveDocument(const wxString& filename);
virtual bool DoOpenDocument(const wxString& filename);
virtual bool IsModified() const; virtual bool IsModified() const;
virtual void Modify(bool mod); virtual void Modify(bool mod);
protected:
virtual bool DoSaveDocument(const wxString& filename);
virtual bool DoOpenDocument(const wxString& filename);
DECLARE_NO_COPY_CLASS(wxTextDocument)
DECLARE_CLASS(wxTextDocument)
};
// ----------------------------------------------------------------------------
// A very simple text document class
// ----------------------------------------------------------------------------
class TextEditDocument : public wxTextDocument
{
public:
TextEditDocument() : wxTextDocument() { }
virtual wxTextCtrl* GetTextCtrl() const;
DECLARE_NO_COPY_CLASS(TextEditDocument) DECLARE_NO_COPY_CLASS(TextEditDocument)
DECLARE_DYNAMIC_CLASS(TextEditDocument) DECLARE_DYNAMIC_CLASS(TextEditDocument)
}; };