/////////////////////////////////////////////////////////////////////////////
-// Name: docview.cpp
+// Name: src/common/docview.cpp
// Purpose: Document/view classes
// Author: Julian Smart
-// Modified by:
+// Modified by: Vadim Zeitlin
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "docview.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx/defs.h"
-#endif
-
#if wxUSE_DOC_VIEW_ARCHITECTURE
+#include "wx/docview.h"
+
#ifndef WX_PRECOMP
+ #include "wx/list.h"
#include "wx/string.h"
#include "wx/utils.h"
#include "wx/app.h"
#include "wx/dc.h"
#include "wx/dialog.h"
#include "wx/menu.h"
- #include "wx/list.h"
#include "wx/filedlg.h"
#include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/msgdlg.h"
+ #include "wx/mdi.h"
+ #include "wx/choicdlg.h"
#endif
-#ifdef __WXGTK__
- #include "wx/mdi.h"
+#if wxUSE_PRINTING_ARCHITECTURE
+ #include "wx/prntbase.h"
+ #include "wx/printdlg.h"
#endif
-#include "wx/msgdlg.h"
-#include "wx/choicdlg.h"
-#include "wx/docview.h"
-#include "wx/printdlg.h"
#include "wx/confbase.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include "wx/ioswrap.h"
-
-#if wxUSE_IOSTREAMH
- #include <fstream.h>
+#include "wx/filename.h"
+#include "wx/file.h"
+#include "wx/ffile.h"
+#include "wx/cmdproc.h"
+#include "wx/tokenzr.h"
+#include "wx/filename.h"
+#include "wx/stdpaths.h"
+#include "wx/vector.h"
+#include "wx/scopedarray.h"
+#include "wx/scopedptr.h"
+#include "wx/except.h"
+
+#if wxUSE_STD_IOSTREAM
+ #include "wx/ioswrap.h"
+ #include "wx/beforestd.h"
+ #if wxUSE_IOSTREAMH
+ #include <fstream.h>
+ #else
+ #include <fstream>
+ #endif
+ #include "wx/afterstd.h"
#else
- #include <fstream>
+ #include "wx/wfstream.h"
#endif
+typedef wxVector<wxDocTemplate *> wxDocTemplates;
+
// ----------------------------------------------------------------------------
-// wxWindows macros
+// wxWidgets macros
// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
- IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
- IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
- IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
- IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
- IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
-
- #if wxUSE_PRINTING_ARCHITECTURE
- IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
- #endif
+IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
+IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
+IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
+IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
+IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
- IMPLEMENT_CLASS(wxCommand, wxObject)
- IMPLEMENT_DYNAMIC_CLASS(wxCommandProcessor, wxObject)
- IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
+#if wxUSE_PRINTING_ARCHITECTURE
+ IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
#endif
-// ----------------------------------------------------------------------------
-// function prototypes
-// ----------------------------------------------------------------------------
-
-static inline wxString FindExtension(const wxChar *path);
-
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
-// local functions
+// private helpers
// ----------------------------------------------------------------------------
-static wxString FindExtension(const wxChar *path)
+namespace
+{
+
+wxString FindExtension(const wxString& path)
{
wxString ext;
- wxSplitPath(path, NULL, NULL, &ext);
+ wxFileName::SplitPath(path, NULL, NULL, &ext);
// VZ: extensions are considered not case sensitive - is this really a good
// idea?
return ext.MakeLower();
}
+} // anonymous namespace
+
// ----------------------------------------------------------------------------
// Definition of wxDocument
// ----------------------------------------------------------------------------
wxDocument::wxDocument(wxDocument *parent)
{
- m_documentModified = FALSE;
+ m_documentModified = false;
+ m_documentTemplate = NULL;
+
m_documentParent = parent;
- m_documentTemplate = (wxDocTemplate *) NULL;
- m_savedYet = FALSE;
+ if ( parent )
+ parent->m_childDocuments.push_back(this);
+
+ m_commandProcessor = NULL;
+ m_savedYet = false;
}
bool wxDocument::DeleteContents()
{
- return TRUE;
+ return true;
}
wxDocument::~wxDocument()
{
- DeleteContents();
+ delete m_commandProcessor;
- if (m_commandProcessor)
- delete m_commandProcessor;
+ if (GetDocumentManager())
+ GetDocumentManager()->RemoveDocument(this);
- GetDocumentManager()->RemoveDocument(this);
+ if ( m_documentParent )
+ m_documentParent->m_childDocuments.remove(this);
// Not safe to do here, since it'll invoke virtual view functions
// expecting to see valid derived objects: and by the time we get here,
bool wxDocument::Close()
{
- if (OnSaveModified())
- return OnCloseDocument();
- else
- return FALSE;
+ if ( !OnSaveModified() )
+ return false;
+
+ // When the parent document closes, its children must be closed as well as
+ // they can't exist without the parent.
+
+ // As usual, first check if all children can be closed.
+ DocsList::const_iterator it = m_childDocuments.begin();
+ for ( DocsList::const_iterator end = m_childDocuments.end(); it != end; ++it )
+ {
+ if ( !(*it)->OnSaveModified() )
+ {
+ // Leave the parent document opened if a child can't close.
+ return false;
+ }
+ }
+
+ // Now that they all did, do close them: as m_childDocuments is modified as
+ // we iterate over it, don't use the usual for-style iteration here.
+ while ( !m_childDocuments.empty() )
+ {
+ wxDocument * const childDoc = m_childDocuments.front();
+
+ // This will call OnSaveModified() once again but it shouldn't do
+ // anything as the document was just saved or marked as not needing to
+ // be saved by the call to OnSaveModified() that returned true above.
+ if ( !childDoc->Close() )
+ {
+ wxFAIL_MSG( "Closing the child document unexpectedly failed "
+ "after its OnSaveModified() returned true" );
+ }
+
+ // Delete the child document by deleting all its views.
+ childDoc->DeleteAllViews();
+ }
+
+
+ return OnCloseDocument();
}
bool wxDocument::OnCloseDocument()
{
+ // Tell all views that we're about to close
+ NotifyClosing();
DeleteContents();
- Modify(FALSE);
- return TRUE;
+ Modify(false);
+ return true;
}
// Note that this implicitly deletes the document when the last view is
// deleted.
bool wxDocument::DeleteAllViews()
{
- wxNode *node = m_documentViews.First();
- while (node)
+ wxDocManager* manager = GetDocumentManager();
+
+ // first check if all views agree to be closed
+ const wxList::iterator end = m_documentViews.end();
+ for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i )
+ {
+ wxView *view = (wxView *)*i;
+ if ( !view->Close() )
+ return false;
+ }
+
+ // all views agreed to close, now do close them
+ if ( m_documentViews.empty() )
+ {
+ // normally the document would be implicitly deleted when the last view
+ // is, but if don't have any views, do it here instead
+ if ( manager && manager->GetDocuments().Member(this) )
+ delete this;
+ }
+ else // have views
{
- wxView *view = (wxView *)node->Data();
- if (!view->Close())
- return FALSE;
+ // as we delete elements we iterate over, don't use the usual "from
+ // begin to end" loop
+ for ( ;; )
+ {
+ wxView *view = (wxView *)*m_documentViews.begin();
- wxNode *next = node->Next();
+ bool isLastOne = m_documentViews.size() == 1;
- delete view; // Deletes node implicitly
- node = next;
+ // this always deletes the node implicitly and if this is the last
+ // view also deletes this object itself (also implicitly, great),
+ // so we can't test for m_documentViews.empty() after calling this!
+ delete view;
+
+ if ( isLastOne )
+ break;
+ }
}
- return TRUE;
+
+ return true;
}
wxView *wxDocument::GetFirstView() const
{
- if (m_documentViews.Number() == 0)
- return (wxView *) NULL;
- return (wxView *)m_documentViews.First()->Data();
+ if ( m_documentViews.empty() )
+ return NULL;
+
+ return static_cast<wxView *>(m_documentViews.GetFirst()->GetData());
+}
+
+void wxDocument::Modify(bool mod)
+{
+ if (mod != m_documentModified)
+ {
+ m_documentModified = mod;
+
+ // Allow views to append asterix to the title
+ wxView* view = GetFirstView();
+ if (view) view->OnChangeFilename();
+ }
}
wxDocManager *wxDocument::GetDocumentManager() const
{
- return m_documentTemplate->GetDocumentManager();
+ // For child documents we use the same document manager as the parent, even
+ // though we don't have our own template (as children are not opened/saved
+ // directly).
+ if ( m_documentParent )
+ return m_documentParent->GetDocumentManager();
+
+ return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL;
}
bool wxDocument::OnNewDocument()
{
- if (!OnSaveModified())
- return FALSE;
+ // notice that there is no need to neither reset nor even check the
+ // modified flag here as the document itself is a new object (this is only
+ // called from CreateDocument()) and so it shouldn't be saved anyhow even
+ // if it is modified -- this could happen if the user code creates
+ // documents pre-filled with some user-entered (and which hence must not be
+ // lost) information
- if (OnCloseDocument()==FALSE) return FALSE;
- DeleteContents();
- Modify(FALSE);
- SetDocumentSaved(FALSE);
+ SetDocumentSaved(false);
- wxString name;
- GetDocumentManager()->MakeDefaultName(name);
+ const wxString name = GetDocumentManager()->MakeNewDocumentName();
SetTitle(name);
- SetFilename(name, TRUE);
+ SetFilename(name, true);
- return TRUE;
+ return true;
}
bool wxDocument::Save()
{
- bool ret = FALSE;
+ if ( AlreadySaved() )
+ return true;
- if (!IsModified()) return TRUE;
- if (m_documentFile == _T("") || !m_savedYet)
- ret = SaveAs();
- else
- ret = OnSaveDocument(m_documentFile);
- if ( ret )
- SetDocumentSaved(TRUE);
- return ret;
+ if ( m_documentFile.empty() || !m_savedYet )
+ return SaveAs();
+
+ return OnSaveDocument(m_documentFile);
}
bool wxDocument::SaveAs()
{
wxDocTemplate *docTemplate = GetDocumentTemplate();
if (!docTemplate)
- return FALSE;
+ return false;
- wxString tmp = wxFileSelector(_("Save as"),
- docTemplate->GetDirectory(),
- GetFilename(),
- docTemplate->GetDefaultExtension(),
- docTemplate->GetFileFilter(),
- wxSAVE | wxOVERWRITE_PROMPT,
- GetDocumentWindow());
+#ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS
+ wxString filter = docTemplate->GetDescription() + wxT(" (") +
+ docTemplate->GetFileFilter() + wxT(")|") +
+ docTemplate->GetFileFilter();
+
+ // Now see if there are some other template with identical view and document
+ // classes, whose filters may also be used.
+ if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo())
+ {
+ wxList::compatibility_iterator
+ node = docTemplate->GetDocumentManager()->GetTemplates().GetFirst();
+ while (node)
+ {
+ wxDocTemplate *t = (wxDocTemplate*) node->GetData();
- if (tmp.IsEmpty())
- return FALSE;
+ if (t->IsVisible() && t != docTemplate &&
+ t->GetViewClassInfo() == docTemplate->GetViewClassInfo() &&
+ t->GetDocClassInfo() == docTemplate->GetDocClassInfo())
+ {
+ // add a '|' to separate this filter from the previous one
+ if ( !filter.empty() )
+ filter << wxT('|');
+
+ filter << t->GetDescription()
+ << wxT(" (") << t->GetFileFilter() << wxT(") |")
+ << t->GetFileFilter();
+ }
- wxString fileName(tmp);
- wxString path("");
- wxString name("");
- wxString ext("");
- wxSplitPath(fileName, & path, & name, & ext);
+ node = node->GetNext();
+ }
+ }
+#else
+ wxString filter = docTemplate->GetFileFilter() ;
+#endif
- if (ext.IsEmpty() || ext == _T(""))
+ wxString defaultDir = docTemplate->GetDirectory();
+ if ( defaultDir.empty() )
{
- fileName += ".";
- fileName += docTemplate->GetDefaultExtension();
+ defaultDir = wxPathOnly(GetFilename());
+ if ( defaultDir.empty() )
+ defaultDir = GetDocumentManager()->GetLastDirectory();
}
- SetFilename(fileName);
- SetTitle(wxFileNameFromPath(fileName));
+ wxString fileName = wxFileSelector(_("Save As"),
+ defaultDir,
+ wxFileNameFromPath(GetFilename()),
+ docTemplate->GetDefaultExtension(),
+ filter,
+ wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
+ GetDocumentWindow());
- GetDocumentManager()->AddFileToHistory(fileName);
+ if (fileName.empty())
+ return false; // cancelled by user
- // Notify the views that the filename has changed
- wxNode *node = m_documentViews.First();
- while (node)
+ // Files that were not saved correctly are not added to the FileHistory.
+ if (!OnSaveDocument(fileName))
+ return false;
+
+ SetTitle(wxFileNameFromPath(fileName));
+ SetFilename(fileName, true); // will call OnChangeFileName automatically
+
+ // A file that doesn't use the default extension of its document template
+ // cannot be opened via the FileHistory, so we do not add it.
+ if (docTemplate->FileMatchesTemplate(fileName))
{
- wxView *view = (wxView *)node->Data();
- view->OnChangeFilename();
- node = node->Next();
+ GetDocumentManager()->AddFileToHistory(fileName);
}
+ //else: the user will probably not be able to open the file again, so we
+ // could warn about the wrong file-extension here
- return OnSaveDocument(m_documentFile);
+ return true;
}
bool wxDocument::OnSaveDocument(const wxString& file)
{
if ( !file )
- return FALSE;
+ return false;
- wxString msgTitle;
- if (wxTheApp->GetAppName() != _T(""))
- msgTitle = wxTheApp->GetAppName();
- else
- msgTitle = wxString(_("File error"));
+ if ( !DoSaveDocument(file) )
+ return false;
- ofstream store(file.fn_str());
- if (store.fail() || store.bad())
- {
- (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
- GetDocumentWindow());
- // Saving error
- return FALSE;
- }
- if (SaveObject(store)==FALSE)
- {
- (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
- GetDocumentWindow());
- // Saving error
- return FALSE;
- }
- Modify(FALSE);
+ Modify(false);
SetFilename(file);
- return TRUE;
+ SetDocumentSaved(true);
+#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
+ wxFileName fn(file) ;
+ fn.MacSetDefaultTypeAndCreator() ;
+#endif
+ return true;
}
bool wxDocument::OnOpenDocument(const wxString& file)
{
- if (!OnSaveModified())
- return FALSE;
+ // notice that there is no need to check the modified flag here for the
+ // reasons explained in OnNewDocument()
- wxString msgTitle;
- if (wxTheApp->GetAppName() != _T(""))
- msgTitle = wxTheApp->GetAppName();
- else
- msgTitle = wxString(_("File error"));
+ if ( !DoOpenDocument(file) )
+ return false;
- ifstream store(file.fn_str());
- if (store.fail() || store.bad())
- {
- (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
- GetDocumentWindow());
- return FALSE;
- }
- if (LoadObject(store)==FALSE)
- {
- (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
- GetDocumentWindow());
- return FALSE;
- }
- SetFilename(file, TRUE);
- Modify(FALSE);
- m_savedYet = TRUE;
+ SetFilename(file, true);
+
+ // stretching the logic a little this does make sense because the document
+ // had been saved into the file we just loaded it from, it just could have
+ // happened during a previous program execution, it's just that the name of
+ // this method is a bit unfortunate, it should probably have been called
+ // HasAssociatedFileName()
+ SetDocumentSaved(true);
UpdateAllViews();
- return TRUE;
+ return true;
}
-istream& wxDocument::LoadObject(istream& stream)
+#if wxUSE_STD_IOSTREAM
+wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
+#else
+wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
+#endif
{
- // wxObject::LoadObject(stream);
-
return stream;
}
-ostream& wxDocument::SaveObject(ostream& stream)
+#if wxUSE_STD_IOSTREAM
+wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
+#else
+wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
+#endif
{
- // wxObject::SaveObject(stream);
-
return stream;
}
bool wxDocument::Revert()
{
- return FALSE;
+ if ( wxMessageBox
+ (
+ _("Discard changes and reload the last saved version?"),
+ wxTheApp->GetAppDisplayName(),
+ wxYES_NO | wxCANCEL | wxICON_QUESTION,
+ GetDocumentWindow()
+ ) != wxYES )
+ return false;
+
+ if ( !DoOpenDocument(GetFilename()) )
+ return false;
+
+ Modify(false);
+ UpdateAllViews();
+
+ return true;
}
// Get title, or filename if no title, else unnamed
+#if WXWIN_COMPATIBILITY_2_8
bool wxDocument::GetPrintableName(wxString& buf) const
{
- if (m_documentTitle != _T(""))
- {
- buf = m_documentTitle;
- return TRUE;
- }
- else if (m_documentFile != _T(""))
- {
- buf = wxFileNameFromPath(m_documentFile);
- return TRUE;
- }
- else
- {
- buf = _("unnamed");
- return TRUE;
- }
+ // this function cannot only be overridden by the user code but also
+ // called by it so we need to ensure that we return the same thing as
+ // GetUserReadableName() but we can't call it because this would result in
+ // an infinite recursion, hence we use the helper DoGetUserReadableName()
+ buf = DoGetUserReadableName();
+
+ return true;
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+wxString wxDocument::GetUserReadableName() const
+{
+#if WXWIN_COMPATIBILITY_2_8
+ // we need to call the old virtual function to ensure that the overridden
+ // version of it is still called
+ wxString name;
+ if ( GetPrintableName(name) )
+ return name;
+#endif // WXWIN_COMPATIBILITY_2_8
+
+ return DoGetUserReadableName();
+}
+
+wxString wxDocument::DoGetUserReadableName() const
+{
+ if ( !m_documentTitle.empty() )
+ return m_documentTitle;
+
+ if ( !m_documentFile.empty() )
+ return wxFileNameFromPath(m_documentFile);
+
+ return _("unnamed");
}
wxWindow *wxDocument::GetDocumentWindow() const
{
- wxView *view = GetFirstView();
- if (view)
- return view->GetFrame();
- else
- return wxTheApp->GetTopWindow();
+ wxView * const view = GetFirstView();
+
+ return view ? view->GetFrame() : wxTheApp->GetTopWindow();
}
wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
return new wxCommandProcessor;
}
-// TRUE if safe to close
+// true if safe to close
bool wxDocument::OnSaveModified()
{
- if (IsModified())
- {
- wxString title;
- GetPrintableName(title);
-
- wxString msgTitle;
- if (wxTheApp->GetAppName() != _T(""))
- msgTitle = wxTheApp->GetAppName();
- else
- msgTitle = wxString(_("Warning"));
-
- wxString prompt;
- prompt.Printf(_("Do you want to save changes to document %s?"),
- (const wxChar *)title);
- int res = wxMessageBox(prompt, msgTitle,
- wxYES_NO|wxCANCEL|wxICON_QUESTION,
- GetDocumentWindow());
- if (res == wxNO)
+ if ( IsModified() )
+ {
+ switch ( wxMessageBox
+ (
+ wxString::Format
+ (
+ _("Do you want to save changes to %s?"),
+ GetUserReadableName()
+ ),
+ wxTheApp->GetAppDisplayName(),
+ wxYES_NO | wxCANCEL | wxICON_QUESTION | wxCENTRE
+ ) )
{
- Modify(FALSE);
- return TRUE;
+ case wxNO:
+ Modify(false);
+ break;
+
+ case wxYES:
+ return Save();
+
+ case wxCANCEL:
+ return false;
}
- else if (res == wxYES)
- return Save();
- else if (res == wxCANCEL)
- return FALSE;
}
- return TRUE;
+
+ return true;
}
bool wxDocument::Draw(wxDC& WXUNUSED(context))
{
- return TRUE;
+ return true;
}
bool wxDocument::AddView(wxView *view)
{
- if (!m_documentViews.Member(view))
+ if ( !m_documentViews.Member(view) )
{
m_documentViews.Append(view);
OnChangedViewList();
}
- return TRUE;
+ return true;
}
bool wxDocument::RemoveView(wxView *view)
{
(void)m_documentViews.DeleteObject(view);
OnChangedViewList();
- return TRUE;
+ return true;
}
bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
{
- if (GetDocumentTemplate()->CreateView(this, flags))
- return TRUE;
- else
- return FALSE;
+ return GetDocumentTemplate()->CreateView(this, flags) != NULL;
}
// Called after a view is added or removed.
// there are no more views.
void wxDocument::OnChangedViewList()
{
- if (m_documentViews.Number() == 0)
+ if ( m_documentViews.empty() && OnSaveModified() )
+ delete this;
+}
+
+void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
+{
+ wxList::compatibility_iterator node = m_documentViews.GetFirst();
+ while (node)
{
- if (OnSaveModified())
- {
- delete this;
- }
+ wxView *view = (wxView *)node->GetData();
+ if (view != sender)
+ view->OnUpdate(sender, hint);
+ node = node->GetNext();
}
}
-void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
+void wxDocument::NotifyClosing()
{
- wxNode *node = m_documentViews.First();
+ wxList::compatibility_iterator node = m_documentViews.GetFirst();
while (node)
{
- wxView *view = (wxView *)node->Data();
- view->OnUpdate(sender, hint);
- node = node->Next();
+ wxView *view = (wxView *)node->GetData();
+ view->OnClosingDocument();
+ node = node->GetNext();
}
}
void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
{
m_documentFile = filename;
+ OnChangeFilename(notifyViews);
+}
+
+void wxDocument::OnChangeFilename(bool notifyViews)
+{
if ( notifyViews )
{
// Notify the views that the filename has changed
- wxNode *node = m_documentViews.First();
+ wxList::compatibility_iterator node = m_documentViews.GetFirst();
while (node)
{
- wxView *view = (wxView *)node->Data();
+ wxView *view = (wxView *)node->GetData();
view->OnChangeFilename();
- node = node->Next();
+ node = node->GetNext();
}
}
}
+bool wxDocument::DoSaveDocument(const wxString& file)
+{
+#if wxUSE_STD_IOSTREAM
+ wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
+ if ( !store )
+#else
+ wxFileOutputStream store(file);
+ if ( store.GetLastError() != wxSTREAM_NO_ERROR )
+#endif
+ {
+ wxLogError(_("File \"%s\" could not be opened for writing."), file);
+ return false;
+ }
+
+ if (!SaveObject(store))
+ {
+ wxLogError(_("Failed to save document to the file \"%s\"."), file);
+ return false;
+ }
+
+ return true;
+}
+
+bool wxDocument::DoOpenDocument(const wxString& file)
+{
+#if wxUSE_STD_IOSTREAM
+ wxSTD ifstream store(file.mb_str(), wxSTD ios::binary);
+ if ( !store )
+#else
+ wxFileInputStream store(file);
+ if (store.GetLastError() != wxSTREAM_NO_ERROR || !store.IsOk())
+#endif
+ {
+ wxLogError(_("File \"%s\" could not be opened for reading."), file);
+ return false;
+ }
+
+#if wxUSE_STD_IOSTREAM
+ LoadObject(store);
+ if ( !store )
+#else
+ int res = LoadObject(store).GetLastError();
+ if ( res != wxSTREAM_NO_ERROR && res != wxSTREAM_EOF )
+#endif
+ {
+ wxLogError(_("Failed to read document from the file \"%s\"."), file);
+ return false;
+ }
+
+ return true;
+}
+
+
// ----------------------------------------------------------------------------
// Document view
// ----------------------------------------------------------------------------
wxView::wxView()
{
- // SetDocument(doc);
- m_viewDocument = (wxDocument*) NULL;
+ m_viewDocument = NULL;
+
+ m_viewFrame = NULL;
- m_viewTypeName = "";
- m_viewFrame = (wxFrame *) NULL;
+ m_docChildFrame = NULL;
}
wxView::~wxView()
{
- GetDocumentManager()->ActivateView(this, FALSE, TRUE);
- m_viewDocument->RemoveView(this);
+ if (m_viewDocument && GetDocumentManager())
+ GetDocumentManager()->ActivateView(this, false);
+
+ // reset our frame view first, before removing it from the document as
+ // SetView(NULL) is a simple call while RemoveView() may result in user
+ // code being executed and this user code can, for example, show a message
+ // box which would result in an activation event for m_docChildFrame and so
+ // could reactivate the view being destroyed -- unless we reset it first
+ if ( m_docChildFrame && m_docChildFrame->GetView() == this )
+ {
+ // prevent it from doing anything with us
+ m_docChildFrame->SetView(NULL);
+
+ // it doesn't make sense to leave the frame alive if its associated
+ // view doesn't exist any more so unconditionally close it as well
+ //
+ // notice that we only get here if m_docChildFrame is non-NULL in the
+ // first place and it will be always NULL if we're deleted because our
+ // frame was closed, so this only catches the case of directly deleting
+ // the view, as it happens if its creation fails in wxDocTemplate::
+ // CreateView() for example
+ m_docChildFrame->GetWindow()->Destroy();
+ }
+
+ if ( m_viewDocument )
+ m_viewDocument->RemoveView(this);
+}
+
+void wxView::SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame)
+{
+ SetFrame(docChildFrame ? docChildFrame->GetWindow() : NULL);
+ m_docChildFrame = docChildFrame;
}
-// Extend event processing to search the document's event table
-bool wxView::ProcessEvent(wxEvent& event)
+bool wxView::TryBefore(wxEvent& event)
{
- if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
- return wxEvtHandler::ProcessEvent(event);
- else
- return TRUE;
+ wxDocument * const doc = GetDocument();
+ return doc && doc->ProcessEventLocally(event);
}
-void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
+void wxView::OnActivateView(bool WXUNUSED(activate),
+ wxView *WXUNUSED(activeView),
+ wxView *WXUNUSED(deactiveView))
{
}
void wxView::OnChangeFilename()
{
- if (GetFrame() && GetDocument())
- {
- wxString name;
- GetDocument()->GetPrintableName(name);
+ // GetFrame can return wxWindow rather than wxTopLevelWindow due to
+ // generic MDI implementation so use SetLabel rather than SetTitle.
+ // It should cause SetTitle() for top level windows.
+ wxWindow *win = GetFrame();
+ if (!win) return;
- GetFrame()->SetTitle(name);
+ wxDocument *doc = GetDocument();
+ if (!doc) return;
+
+ wxString label = doc->GetUserReadableName();
+ if (doc->IsModified())
+ {
+ label += "*";
}
+ win->SetLabel(label);
}
void wxView::SetDocument(wxDocument *doc)
bool wxView::Close(bool deleteWindow)
{
- if (OnClose(deleteWindow))
- return TRUE;
- else
- return FALSE;
+ return OnClose(deleteWindow);
}
void wxView::Activate(bool activate)
{
- if (GetDocumentManager())
+ if (GetDocument() && GetDocumentManager())
{
OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
GetDocumentManager()->ActivateView(this, activate);
bool wxView::OnClose(bool WXUNUSED(deleteWindow))
{
- return GetDocument() ? GetDocument()->Close() : TRUE;
+ return GetDocument() ? GetDocument()->Close() : true;
}
#if wxUSE_PRINTING_ARCHITECTURE
// Tries to dynamically construct an object of the right class.
wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
{
- if (!m_docClassInfo)
- return (wxDocument *) NULL;
- wxDocument *doc = (wxDocument *)m_docClassInfo->CreateObject();
+ // InitDocument() is supposed to delete the document object if its
+ // initialization fails so don't use wxScopedPtr<> here: this is fragile
+ // but unavoidable because the default implementation uses CreateView()
+ // which may -- or not -- create a wxView and if it does create it and its
+ // initialization fails then the view destructor will delete the document
+ // (via RemoveView()) and as we can't distinguish between the two cases we
+ // just have to assume that it always deletes it in case of failure
+ wxDocument * const doc = DoCreateDocument();
+
+ return doc && InitDocument(doc, path, flags) ? doc : NULL;
+}
+
+bool
+wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
+{
doc->SetFilename(path);
doc->SetDocumentTemplate(this);
GetDocumentManager()->AddDocument(doc);
doc->SetCommandProcessor(doc->OnCreateCommandProcessor());
if (doc->OnCreate(path, flags))
- return doc;
- else
- {
- delete doc;
- return (wxDocument *) NULL;
- }
+ return true;
+
+ if (GetDocumentManager()->GetDocuments().Member(doc))
+ doc->DeleteAllViews();
+ return false;
}
wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
{
- if (!m_viewClassInfo)
- return (wxView *) NULL;
- wxView *view = (wxView *)m_viewClassInfo->CreateObject();
+ wxScopedPtr<wxView> view(DoCreateView());
+ if ( !view )
+ return NULL;
+
view->SetDocument(doc);
- if (view->OnCreate(doc, flags))
- {
- return view;
- }
- else
- {
- delete view;
- return (wxView *) NULL;
- }
+ if ( !view->OnCreate(doc, flags) )
+ return NULL;
+
+ return view.release();
}
// The default (very primitive) format detection: check is the extension is
// that of the template
bool wxDocTemplate::FileMatchesTemplate(const wxString& path)
{
+ wxStringTokenizer parser (GetFileFilter(), wxT(";"));
+ wxString anything = wxT ("*");
+ while (parser.HasMoreTokens())
+ {
+ wxString filter = parser.GetNextToken();
+ wxString filterExt = FindExtension (filter);
+ if ( filter.IsSameAs (anything) ||
+ filterExt.IsSameAs (anything) ||
+ filterExt.IsSameAs (FindExtension (path)) )
+ return true;
+ }
return GetDefaultExtension().IsSameAs(FindExtension(path));
}
+wxDocument *wxDocTemplate::DoCreateDocument()
+{
+ if (!m_docClassInfo)
+ return NULL;
+
+ return static_cast<wxDocument *>(m_docClassInfo->CreateObject());
+}
+
+wxView *wxDocTemplate::DoCreateView()
+{
+ if (!m_viewClassInfo)
+ return NULL;
+
+ return static_cast<wxView *>(m_viewClassInfo->CreateObject());
+}
+
// ----------------------------------------------------------------------------
// wxDocManager
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen)
EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose)
+ EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll)
EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert)
EVT_MENU(wxID_NEW, wxDocManager::OnFileNew)
EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave)
EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
+
+ // We don't know in advance how many items can there be in the MRU files
+ // list so set up OnMRUFile() as a handler for all menu events and do the
+ // check for the id of the menu item clicked inside it.
+ EVT_MENU(wxID_ANY, wxDocManager::OnMRUFile)
+
+ EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
+ EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateDisableIfNoDoc)
+ EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateDisableIfNoDoc)
+ EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
+ EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
+ EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
+ EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
+ EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
+ EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
+
+#if wxUSE_PRINTING_ARCHITECTURE
EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
- EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPrintSetup)
EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
+ EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPageSetup)
+
+ EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdateDisableIfNoDoc)
+ EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc)
+ // NB: we keep "Print setup" menu item always enabled as it can be used
+ // even without an active document
+#endif // wxUSE_PRINTING_ARCHITECTURE
END_EVENT_TABLE()
-wxDocManager::wxDocManager(long flags, bool initialize)
+wxDocManager* wxDocManager::sm_docManager = NULL;
+
+wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize)
{
+ sm_docManager = this;
+
m_defaultDocumentNameCounter = 1;
- m_flags = flags;
- m_currentView = (wxView *) NULL;
- m_maxDocsOpen = 10000;
- m_fileHistory = (wxFileHistory *) NULL;
- if (initialize)
+ m_currentView = NULL;
+ m_maxDocsOpen = INT_MAX;
+ m_fileHistory = NULL;
+ if ( initialize )
Initialize();
}
wxDocManager::~wxDocManager()
{
Clear();
- if (m_fileHistory)
- delete m_fileHistory;
+ delete m_fileHistory;
+ sm_docManager = NULL;
}
-bool wxDocManager::Clear(bool force)
+// closes the specified document
+bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
{
- wxNode *node = m_docs.First();
- while (node)
- {
- wxDocument *doc = (wxDocument *)node->Data();
- wxNode *next = node->Next();
+ if ( !doc->Close() && !force )
+ return false;
- if (!doc->Close() && !force)
- return FALSE;
+ // Implicitly deletes the document when
+ // the last view is deleted
+ doc->DeleteAllViews();
- // Implicitly deletes the document when the last
- // view is removed (deleted)
- doc->DeleteAllViews();
+ // Check we're really deleted
+ if (m_docs.Member(doc))
+ delete doc;
+
+ return true;
+}
+
+bool wxDocManager::CloseDocuments(bool force)
+{
+ wxList::compatibility_iterator node = m_docs.GetFirst();
+ while (node)
+ {
+ wxDocument *doc = (wxDocument *)node->GetData();
+ wxList::compatibility_iterator next = node->GetNext();
- // Check document is deleted
- if (m_docs.Member(doc))
- delete doc;
+ if (!CloseDocument(doc, force))
+ return false;
// This assumes that documents are not connected in
// any way, i.e. deleting one document does NOT
// delete another.
node = next;
}
- node = m_templates.First();
+ return true;
+}
+
+bool wxDocManager::Clear(bool force)
+{
+ if (!CloseDocuments(force))
+ return false;
+
+ m_currentView = NULL;
+
+ wxList::compatibility_iterator node = m_templates.GetFirst();
while (node)
{
- wxDocTemplate *templ = (wxDocTemplate*) node->Data();
- wxNode* next = node->Next();
+ wxDocTemplate *templ = (wxDocTemplate*) node->GetData();
+ wxList::compatibility_iterator next = node->GetNext();
delete templ;
node = next;
}
- return TRUE;
+ return true;
}
bool wxDocManager::Initialize()
{
m_fileHistory = OnCreateFileHistory();
- return TRUE;
+ return true;
}
-wxFileHistory *wxDocManager::OnCreateFileHistory()
+wxString wxDocManager::GetLastDirectory() const
{
- return new wxFileHistory;
-}
+ // if we haven't determined the last used directory yet, do it now
+ if ( m_lastDirectory.empty() )
+ {
+ // we're going to modify m_lastDirectory in this const method, so do it
+ // via non-const self pointer instead of const this one
+ wxDocManager * const self = const_cast<wxDocManager *>(this);
+
+ // first try to reuse the directory of the most recently opened file:
+ // this ensures that if the user opens a file, closes the program and
+ // runs it again the "Open file" dialog will open in the directory of
+ // the last file he used
+ if ( m_fileHistory && m_fileHistory->GetCount() )
+ {
+ const wxString lastOpened = m_fileHistory->GetHistoryFile(0);
+ const wxFileName fn(lastOpened);
+ if ( fn.DirExists() )
+ {
+ self->m_lastDirectory = fn.GetPath();
+ }
+ //else: should we try the next one?
+ }
+ //else: no history yet
+
+ // if we don't have any files in the history (yet?), use the
+ // system-dependent default location for the document files
+ if ( m_lastDirectory.empty() )
+ {
+ self->m_lastDirectory = wxStandardPaths::Get().GetAppDocumentsDir();
+ }
+ }
+
+ return m_lastDirectory;
+}
+
+wxFileHistory *wxDocManager::OnCreateFileHistory()
+{
+ return new wxFileHistory;
+}
void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
{
wxDocument *doc = GetCurrentDocument();
- if (!doc)
- return;
- if (doc->Close())
- {
- doc->DeleteAllViews();
- if (m_docs.Member(doc))
- delete doc;
- }
+ if (doc)
+ CloseDocument(doc);
+}
+
+void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
+{
+ CloseDocuments(false);
}
void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
{
- CreateDocument(wxString(""), wxDOC_NEW);
+ CreateNewDocument();
}
void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
{
- CreateDocument(wxString(""), 0);
+ if ( !CreateDocument("") )
+ {
+ OnOpenFileFailure();
+ }
}
void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
doc->SaveAs();
}
+void wxDocManager::OnMRUFile(wxCommandEvent& event)
+{
+ // Check if the id is in the range assigned to MRU list entries.
+ const int id = event.GetId();
+ if ( id >= wxID_FILE1 &&
+ id < wxID_FILE1 + static_cast<int>(m_fileHistory->GetCount()) )
+ {
+ DoOpenMRUFile(id - wxID_FILE1);
+ }
+ else
+ {
+ event.Skip();
+ }
+}
+
+void wxDocManager::DoOpenMRUFile(unsigned n)
+{
+ wxString filename(GetHistoryFile(n));
+ if ( filename.empty() )
+ return;
+
+ wxString errMsg; // must contain exactly one "%s" if non-empty
+ if ( wxFile::Exists(filename) )
+ {
+ // Try to open it but don't give an error if it failed: this could be
+ // normal, e.g. because the user cancelled opening it, and we don't
+ // have any useful information to put in the error message anyhow, so
+ // we assume that in case of an error the appropriate message had been
+ // already logged.
+ (void)CreateDocument(filename, wxDOC_SILENT);
+ }
+ else // file doesn't exist
+ {
+ OnMRUFileNotExist(n, filename);
+ }
+}
+
+void wxDocManager::OnMRUFileNotExist(unsigned n, const wxString& filename)
+{
+ // remove the file which we can't open from the MRU list
+ RemoveFileFromHistory(n);
+
+ // and tell the user about it
+ wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\n"
+ "It has been removed from the most recently used files list."),
+ filename);
+}
+
+#if wxUSE_PRINTING_ARCHITECTURE
+
void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
{
- wxView *view = GetCurrentView();
+ wxView *view = GetActiveView();
if (!view)
return;
wxPrintout *printout = view->OnCreatePrintout();
if (printout)
{
- wxPrinter printer;
- printer.Print(view->GetFrame(), printout, TRUE);
+ wxPrintDialogData printDialogData(m_pageSetupDialogData.GetPrintData());
+ wxPrinter printer(&printDialogData);
+ printer.Print(view->GetFrame(), printout, true);
delete printout;
}
}
-void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
+void wxDocManager::OnPageSetup(wxCommandEvent& WXUNUSED(event))
{
- wxWindow *parentWin = wxTheApp->GetTopWindow();
- wxView *view = GetCurrentView();
- if (view)
- parentWin = view->GetFrame();
-
- wxPrintDialogData data;
+ wxPageSetupDialog dlg(wxTheApp->GetTopWindow(), &m_pageSetupDialogData);
+ if ( dlg.ShowModal() == wxID_OK )
+ {
+ m_pageSetupDialogData = dlg.GetPageSetupData();
+ }
+}
- wxPrintDialog printerDialog(parentWin, & data);
- printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
- printerDialog.ShowModal();
+wxPreviewFrame* wxDocManager::CreatePreviewFrame(wxPrintPreviewBase* preview,
+ wxWindow *parent,
+ const wxString& title)
+{
+ return new wxPreviewFrame(preview, parent, title);
}
void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
{
- wxView *view = GetCurrentView();
+ wxBusyCursor busy;
+ wxView *view = GetActiveView();
if (!view)
return;
wxPrintout *printout = view->OnCreatePrintout();
if (printout)
{
+ wxPrintDialogData printDialogData(m_pageSetupDialogData.GetPrintData());
+
// Pass two printout objects: for preview, and possible printing.
- wxPrintPreviewBase *preview = (wxPrintPreviewBase *) NULL;
- preview = new wxPrintPreview(printout, view->OnCreatePrintout());
+ wxPrintPreviewBase *
+ preview = new wxPrintPreview(printout,
+ view->OnCreatePrintout(),
+ &printDialogData);
+ if ( !preview->IsOk() )
+ {
+ delete preview;
+ wxLogError(_("Print preview creation failed."));
+ return;
+ }
+
+ wxPreviewFrame* frame = CreatePreviewFrame(preview,
+ wxTheApp->GetTopWindow(),
+ _("Print Preview"));
+ wxCHECK_RET( frame, "should create a print preview frame" );
- wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
- wxPoint(100, 100), wxSize(600, 650));
frame->Centre(wxBOTH);
frame->Initialize();
- frame->Show(TRUE);
+ frame->Show(true);
}
}
+#endif // wxUSE_PRINTING_ARCHITECTURE
-void wxDocManager::OnUndo(wxCommandEvent& WXUNUSED(event))
+void wxDocManager::OnUndo(wxCommandEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- if (!doc)
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
+ {
+ event.Skip();
return;
- if (doc->GetCommandProcessor())
- doc->GetCommandProcessor()->Undo();
+ }
+
+ cmdproc->Undo();
}
-void wxDocManager::OnRedo(wxCommandEvent& WXUNUSED(event))
+void wxDocManager::OnRedo(wxCommandEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- if (!doc)
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
+ {
+ event.Skip();
return;
- if (doc->GetCommandProcessor())
- doc->GetCommandProcessor()->Redo();
+ }
+
+ cmdproc->Redo();
+}
+
+// Handlers for UI update commands
+
+void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
+{
+ // CreateDocument() (which is called from OnFileOpen) may succeed
+ // only when there is at least a template:
+ event.Enable( GetTemplates().GetCount()>0 );
+}
+
+void wxDocManager::OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event)
+{
+ event.Enable( GetCurrentDocument() != NULL );
}
-wxView *wxDocManager::GetCurrentView() const
+void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
{
- if (m_currentView)
- return m_currentView;
- if (m_docs.Number() == 1)
+ wxDocument* doc = GetCurrentDocument();
+ event.Enable(doc && doc->IsModified() && doc->GetDocumentSaved());
+}
+
+void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
+{
+ // CreateDocument() (which is called from OnFileNew) may succeed
+ // only when there is at least a template:
+ event.Enable( GetTemplates().GetCount()>0 );
+}
+
+void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
+{
+ wxDocument * const doc = GetCurrentDocument();
+ event.Enable( doc && !doc->IsChildDocument() && !doc->AlreadySaved() );
+}
+
+void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
+{
+ wxDocument * const doc = GetCurrentDocument();
+ event.Enable( doc && !doc->IsChildDocument() );
+}
+
+void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
{
- wxDocument* doc = (wxDocument*) m_docs.First()->Data();
- return doc->GetFirstView();
+ event.Enable(false);
+ return;
}
- return (wxView *) NULL;
+
+ event.Enable(cmdproc->CanUndo());
+ cmdproc->SetMenuStrings();
}
-// Extend event processing to search the view's event table
-bool wxDocManager::ProcessEvent(wxEvent& event)
+void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
{
- wxView* view = GetCurrentView();
- if (view)
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
{
- if (view->ProcessEvent(event))
- return TRUE;
+ event.Enable(false);
+ return;
}
- return wxEvtHandler::ProcessEvent(event);
+
+ event.Enable(cmdproc->CanRedo());
+ cmdproc->SetMenuStrings();
}
-wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
+wxView *wxDocManager::GetActiveView() const
{
- wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()];
- int i;
- int n = 0;
- for (i = 0; i < m_templates.Number(); i++)
+ wxView *view = GetCurrentView();
+
+ if ( !view && !m_docs.empty() )
{
- wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data());
- if (temp->IsVisible())
+ // if we have exactly one document, consider its view to be the current
+ // one
+ //
+ // VZ: I'm not exactly sure why is this needed but this is how this
+ // code used to behave before the bug #9518 was fixed and it seems
+ // safer to preserve the old logic
+ wxList::compatibility_iterator node = m_docs.GetFirst();
+ if ( !node->GetNext() )
{
- templates[n] = temp;
- n ++;
+ wxDocument *doc = static_cast<wxDocument *>(node->GetData());
+ view = doc->GetFirstView();
}
+ //else: we have more than one document
}
- if (n == 0)
+
+ return view;
+}
+
+bool wxDocManager::TryBefore(wxEvent& event)
+{
+ wxView * const view = GetActiveView();
+ return view && view->ProcessEventLocally(event);
+}
+
+namespace
+{
+
+// helper function: return only the visible templates
+wxDocTemplates GetVisibleTemplates(const wxList& allTemplates)
+{
+ // select only the visible templates
+ const size_t totalNumTemplates = allTemplates.GetCount();
+ wxDocTemplates templates;
+ if ( totalNumTemplates )
+ {
+ templates.reserve(totalNumTemplates);
+
+ for ( wxList::const_iterator i = allTemplates.begin(),
+ end = allTemplates.end();
+ i != end;
+ ++i )
+ {
+ wxDocTemplate * const temp = (wxDocTemplate *)*i;
+ if ( temp->IsVisible() )
+ templates.push_back(temp);
+ }
+ }
+
+ return templates;
+}
+
+} // anonymous namespace
+
+void wxDocManager::ActivateDocument(wxDocument *doc)
+{
+ wxView * const view = doc->GetFirstView();
+ if ( !view )
+ return;
+
+ view->Activate(true);
+ if ( wxWindow *win = view->GetFrame() )
+ win->SetFocus();
+}
+
+wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags)
+{
+ // this ought to be const but SelectDocumentType/Path() are not
+ // const-correct and can't be changed as, being virtual, this risks
+ // breaking user code overriding them
+ wxDocTemplates templates(GetVisibleTemplates(m_templates));
+ const size_t numTemplates = templates.size();
+ if ( !numTemplates )
{
- delete[] templates;
- return (wxDocument *) NULL;
+ // no templates can be used, can't create document
+ return NULL;
}
- // If we've reached the max number of docs, close the
- // first one.
- if (GetDocuments().Number() >= m_maxDocsOpen)
+
+ // normally user should select the template to use but wxDOC_SILENT flag we
+ // choose one ourselves
+ wxString path = pathOrig; // may be modified below
+ wxDocTemplate *temp;
+ if ( flags & wxDOC_SILENT )
{
- wxDocument *doc = (wxDocument *)GetDocuments().First()->Data();
- if (doc->Close())
- {
- // Implicitly deletes the document when
- // the last view is deleted
- doc->DeleteAllViews();
+ wxASSERT_MSG( !path.empty(),
+ "using empty path with wxDOC_SILENT doesn't make sense" );
- // Check we're really deleted
- if (m_docs.Member(doc))
- delete doc;
+ temp = FindTemplateForPath(path);
+ if ( !temp )
+ {
+ wxLogWarning(_("The format of file '%s' couldn't be determined."),
+ path);
}
+ }
+ else // not silent, ask the user
+ {
+ // for the new file we need just the template, for an existing one we
+ // need the template and the path, unless it's already specified
+ if ( (flags & wxDOC_NEW) || !path.empty() )
+ temp = SelectDocumentType(&templates[0], numTemplates);
else
- return (wxDocument *) NULL;
+ temp = SelectDocumentPath(&templates[0], numTemplates, path, flags);
}
- // New document: user chooses a template, unless there's only one.
- if (flags & wxDOC_NEW)
+ if ( !temp )
+ return NULL;
+
+ // check whether the document with this path is already opened
+ if ( !path.empty() )
{
- if (n == 1)
+ const wxFileName fn(path);
+ for ( wxList::const_iterator i = m_docs.begin(); i != m_docs.end(); ++i )
{
- wxDocTemplate *temp = templates[0];
- delete[] templates;
- wxDocument *newDoc = temp->CreateDocument(path, flags);
- if (newDoc)
+ wxDocument * const doc = (wxDocument*)*i;
+
+ if ( fn == doc->GetFilename() )
{
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- newDoc->OnNewDocument();
+ // file already open, just activate it and return
+ ActivateDocument(doc);
+ return doc;
}
- return newDoc;
}
+ }
+
+
+ // no, we need to create a new document
+
- wxDocTemplate *temp = SelectDocumentType(templates, n);
- delete[] templates;
- if (temp)
+ // if we've reached the max number of docs, close the first one.
+ if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
+ {
+ if ( !CloseDocument((wxDocument *)GetDocuments().GetFirst()->GetData()) )
{
- wxDocument *newDoc = temp->CreateDocument(path, flags);
- if (newDoc)
- {
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- newDoc->OnNewDocument();
- }
- return newDoc;
+ // can't open the new document if closing the old one failed
+ return NULL;
}
- else
- return (wxDocument *) NULL;
}
- // Existing document
- wxDocTemplate *temp = (wxDocTemplate *) NULL;
- wxString path2(_T(""));
- if (path != _T(""))
- path2 = path;
+ // do create and initialize the new document finally
+ wxDocument * const docNew = temp->CreateDocument(path, flags);
+ if ( !docNew )
+ return NULL;
- if (flags & wxDOC_SILENT)
- temp = FindTemplateForPath(path2);
- else
- temp = SelectDocumentPath(templates, n, path2, flags);
-
- delete[] templates;
+ docNew->SetDocumentName(temp->GetDocumentName());
+ docNew->SetDocumentTemplate(temp);
- if (temp)
+ wxTRY
{
- wxDocument *newDoc = temp->CreateDocument(path2, flags);
- if (newDoc)
+ // call the appropriate function depending on whether we're creating a
+ // new file or opening an existing one
+ if ( !(flags & wxDOC_NEW ? docNew->OnNewDocument()
+ : docNew->OnOpenDocument(path)) )
{
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- if (!newDoc->OnOpenDocument(path2))
- {
- delete newDoc;
- return (wxDocument *) NULL;
- }
- AddFileToHistory(path2);
+ docNew->DeleteAllViews();
+ return NULL;
}
- return newDoc;
}
- else
- return (wxDocument *) NULL;
+ wxCATCH_ALL( docNew->DeleteAllViews(); throw; )
+
+ // add the successfully opened file to MRU, but only if we're going to be
+ // able to reopen it successfully later which requires the template for
+ // this document to be retrievable from the file extension
+ if ( !(flags & wxDOC_NEW) && temp->FileMatchesTemplate(path) )
+ AddFileToHistory(path);
+
+ // at least under Mac (where views are top level windows) it seems to be
+ // necessary to manually activate the new document to bring it to the
+ // forefront -- and it shouldn't hurt doing this under the other platforms
+ ActivateDocument(docNew);
+
+ return docNew;
}
wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
{
- wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()];
- int n =0;
- int i;
- for (i = 0; i < m_templates.Number(); i++)
- {
- wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data());
- if (temp->IsVisible())
- {
- if (temp->GetDocumentName() == doc->GetDocumentName())
- {
- templates[n] = temp;
- n ++;
- }
- }
- }
- if (n == 0)
- {
- delete[] templates;
- return (wxView *) NULL;
- }
- if (n == 1)
- {
- wxDocTemplate *temp = templates[0];
- delete[] templates;
- wxView *view = temp->CreateView(doc, flags);
- if (view)
- view->SetViewName(temp->GetViewName());
- return view;
- }
+ wxDocTemplates templates(GetVisibleTemplates(m_templates));
+ const size_t numTemplates = templates.size();
- wxDocTemplate *temp = SelectViewType(templates, n);
- delete[] templates;
- if (temp)
- {
- wxView *view = temp->CreateView(doc, flags);
- if (view)
- view->SetViewName(temp->GetViewName());
- return view;
- }
- else
- return (wxView *) NULL;
+ if ( numTemplates == 0 )
+ return NULL;
+
+ wxDocTemplate * const
+ temp = numTemplates == 1 ? templates[0]
+ : SelectViewType(&templates[0], numTemplates);
+
+ if ( !temp )
+ return NULL;
+
+ wxView *view = temp->CreateView(doc, flags);
+ if ( view )
+ view->SetViewName(temp->GetViewName());
+ return view;
}
// Not yet implemented
-void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
+void
+wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
{
}
// Not yet implemented
bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
{
- return FALSE;
+ return false;
}
wxDocument *wxDocManager::GetCurrentDocument() const
{
- if (m_currentView)
- return m_currentView->GetDocument();
- else
- return (wxDocument *) NULL;
+ wxView * const view = GetActiveView();
+ return view ? view->GetDocument() : NULL;
+}
+
+wxCommandProcessor *wxDocManager::GetCurrentCommandProcessor() const
+{
+ wxDocument * const doc = GetCurrentDocument();
+ return doc ? doc->GetCommandProcessor() : NULL;
+}
+
+// Make a default name for a new document
+#if WXWIN_COMPATIBILITY_2_8
+bool wxDocManager::MakeDefaultName(wxString& WXUNUSED(name))
+{
+ // we consider that this function can only be overridden by the user code,
+ // not called by it as it only makes sense to call it internally, so we
+ // don't bother to return anything from here
+ return false;
}
+#endif // WXWIN_COMPATIBILITY_2_8
-// Make a default document name
-bool wxDocManager::MakeDefaultName(wxString& name)
+wxString wxDocManager::MakeNewDocumentName()
{
- name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
- m_defaultDocumentNameCounter++;
+ wxString name;
+
+#if WXWIN_COMPATIBILITY_2_8
+ if ( !MakeDefaultName(name) )
+#endif // WXWIN_COMPATIBILITY_2_8
+ {
+ name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
+ m_defaultDocumentNameCounter++;
+ }
+
+ return name;
+}
- return TRUE;
+// Make a frame title (override this to do something different)
+// If docName is empty, a document is not currently active.
+wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
+{
+ wxString appName = wxTheApp->GetAppDisplayName();
+ wxString title;
+ if (!doc)
+ title = appName;
+ else
+ {
+ wxString docName = doc->GetUserReadableName();
+ title = docName + wxString(_(" - ")) + appName;
+ }
+ return title;
}
+
// Not yet implemented
wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
{
- return (wxDocTemplate *) NULL;
+ return NULL;
}
// File history management
m_fileHistory->AddFileToHistory(file);
}
-wxString wxDocManager::GetHistoryFile(int i) const
+void wxDocManager::RemoveFileFromHistory(size_t i)
+{
+ if (m_fileHistory)
+ m_fileHistory->RemoveFileFromHistory(i);
+}
+
+wxString wxDocManager::GetHistoryFile(size_t i) const
{
wxString histFile;
}
#if wxUSE_CONFIG
-void wxDocManager::FileHistoryLoad(wxConfigBase& config)
+void wxDocManager::FileHistoryLoad(const wxConfigBase& config)
{
if (m_fileHistory)
m_fileHistory->Load(config);
m_fileHistory->AddFilesToMenu();
}
-int wxDocManager::GetNoHistoryFiles() const
+size_t wxDocManager::GetHistoryFilesCount() const
{
- if (m_fileHistory)
- return m_fileHistory->GetNoHistoryFiles();
- else
- return 0;
+ return m_fileHistory ? m_fileHistory->GetCount() : 0;
}
// against that of the template
wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
{
- wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
+ wxDocTemplate *theTemplate = NULL;
// Find the template which this extension corresponds to
- int i;
- for (i = 0; i < m_templates.Number(); i++)
+ for (size_t i = 0; i < m_templates.GetCount(); i++)
{
- wxDocTemplate *temp = (wxDocTemplate *)m_templates.Nth(i)->Data();
+ wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
if ( temp->FileMatchesTemplate(path) )
{
theTemplate = temp;
}
// Prompts user to open a file, using file specs in templates.
-// How to implement in wxWindows? Must extend the file selector
-// dialog or implement own; OR match the extension to the
-// template extension.
+// Must extend the file selector dialog or implement own; OR
+// match the extension to the template extension.
wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
int noTemplates,
long WXUNUSED(flags),
bool WXUNUSED(save))
{
- // We can only have multiple filters in Windows
-#ifdef __WXMSW__
+#ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS
wxString descrBuf;
- int i;
- for (i = 0; i < noTemplates; i++)
+ for (int i = 0; i < noTemplates; i++)
{
if (templates[i]->IsVisible())
{
// add a '|' to separate this filter from the previous one
- if ( !descrBuf.IsEmpty() )
- descrBuf << _T('|');
+ if ( !descrBuf.empty() )
+ descrBuf << wxT('|');
descrBuf << templates[i]->GetDescription()
- << _T(" (") << templates[i]->GetFileFilter() << _T(") |")
+ << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
<< templates[i]->GetFileFilter();
}
}
#else
- wxString descrBuf = _T("*.*");
+ wxString descrBuf = wxT("*.*");
+ wxUnusedVar(noTemplates);
#endif
- int FilterIndex = 0;
- wxString pathTmp = wxFileSelectorEx(_("Select a file"),
- _T(""), _T(""), _T(""),
+ int FilterIndex = -1;
+
+ wxString pathTmp = wxFileSelectorEx(_("Open File"),
+ GetLastDirectory(),
+ wxEmptyString,
&FilterIndex,
- descrBuf, 0, wxTheApp->GetTopWindow());
+ descrBuf,
+ wxFD_OPEN | wxFD_FILE_MUST_EXIST);
- if (!pathTmp.IsEmpty())
+ wxDocTemplate *theTemplate = NULL;
+ if (!pathTmp.empty())
{
+ if (!wxFileExists(pathTmp))
+ {
+ wxString msgTitle;
+ if (!wxTheApp->GetAppDisplayName().empty())
+ msgTitle = wxTheApp->GetAppDisplayName();
+ else
+ msgTitle = wxString(_("File error"));
+
+ wxMessageBox(_("Sorry, could not open this file."),
+ msgTitle,
+ wxOK | wxICON_EXCLAMATION | wxCENTRE);
+
+ path = wxEmptyString;
+ return NULL;
+ }
+
+ SetLastDirectory(wxPathOnly(pathTmp));
+
path = pathTmp;
- wxString theExt = FindExtension(path);
- if (!theExt)
- return (wxDocTemplate *) NULL;
-
- // This is dodgy in that we're selecting the template on the
- // basis of the file extension, which may not be a standard
- // one. We really want to know exactly which template was
- // chosen by using a more advanced file selector.
- wxDocTemplate *theTemplate = FindTemplateForPath(path);
- if ( !theTemplate )
- theTemplate = templates[FilterIndex];
- return theTemplate;
+ // first choose the template using the extension, if this fails (i.e.
+ // wxFileSelectorEx() didn't fill it), then use the path
+ if ( FilterIndex != -1 )
+ theTemplate = templates[FilterIndex];
+ if ( !theTemplate )
+ theTemplate = FindTemplateForPath(path);
+ if ( !theTemplate )
+ {
+ // Since we do not add files with non-default extensions to the
+ // file history this can only happen if the application changes the
+ // allowed templates in runtime.
+ wxMessageBox(_("Sorry, the format for this file is unknown."),
+ _("Open File"),
+ wxOK | wxICON_EXCLAMATION | wxCENTRE);
+ }
}
else
{
- path = _T("");
- return (wxDocTemplate *) NULL;
+ path.clear();
}
-#if 0
- // In all other windowing systems, until we have more advanced
- // file selectors, we must select the document type (template) first, and
- // _then_ pop up the file selector.
- wxDocTemplate *temp = SelectDocumentType(templates, noTemplates);
- if (!temp)
- return (wxDocTemplate *) NULL;
-
- wxChar *pathTmp = wxFileSelector(_("Select a file"), _T(""), _T(""),
- temp->GetDefaultExtension(),
- temp->GetFileFilter(),
- 0, wxTheApp->GetTopWindow());
- if (pathTmp)
- {
- path = pathTmp;
- return temp;
- }
- else
- return (wxDocTemplate *) NULL;
-#endif // 0
+ return theTemplate;
}
wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
- int noTemplates)
+ int noTemplates, bool sort)
{
- wxChar **strings = new wxChar *[noTemplates];
- wxChar **data = new wxChar *[noTemplates];
+ wxArrayString strings;
+ wxScopedArray<wxDocTemplate *> data(new wxDocTemplate *[noTemplates]);
int i;
int n = 0;
+
for (i = 0; i < noTemplates; i++)
{
if (templates[i]->IsVisible())
{
- strings[n] = WXSTRINGCAST templates[i]->m_description;
- data[n] = (wxChar *)templates[i];
- n ++;
+ int j;
+ bool want = true;
+ for (j = 0; j < n; j++)
+ {
+ //filter out NOT unique documents + view combinations
+ if ( templates[i]->m_docTypeName == data[j]->m_docTypeName &&
+ templates[i]->m_viewTypeName == data[j]->m_viewTypeName
+ )
+ want = false;
+ }
+
+ if ( want )
+ {
+ strings.Add(templates[i]->m_description);
+
+ data[n] = templates[i];
+ n ++;
+ }
}
- }
- if (n == 0)
+ } // for
+
+ if (sort)
{
- delete[] strings;
- delete[] data;
- return (wxDocTemplate *) NULL;
+ strings.Sort(); // ascending sort
+ // Yes, this will be slow, but template lists
+ // are typically short.
+ int j;
+ n = strings.Count();
+ for (i = 0; i < n; i++)
+ {
+ for (j = 0; j < noTemplates; j++)
+ {
+ if (strings[i] == templates[j]->m_description)
+ data[i] = templates[j];
+ }
+ }
}
- else if (n == 1)
+
+ wxDocTemplate *theTemplate;
+
+ switch ( n )
{
- wxDocTemplate *temp = (wxDocTemplate *)data[0];
- delete[] strings;
- delete[] data;
- return temp;
+ case 0:
+ // no visible templates, hence nothing to choose from
+ theTemplate = NULL;
+ break;
+
+ case 1:
+ // don't propose the user to choose if he has no choice
+ theTemplate = data[0];
+ break;
+
+ default:
+ // propose the user to choose one of several
+ theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
+ (
+ _("Select a document template"),
+ _("Templates"),
+ strings,
+ (void **)data.get()
+ );
}
- wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document template"), _("Templates"), n,
- strings, data);
- delete[] strings;
- delete[] data;
return theTemplate;
}
wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
- int noTemplates)
+ int noTemplates, bool sort)
{
- wxChar **strings = new wxChar *[noTemplates];
- wxChar **data = new wxChar *[noTemplates];
+ wxArrayString strings;
+ wxScopedArray<wxDocTemplate *> data(new wxDocTemplate *[noTemplates]);
int i;
int n = 0;
+
for (i = 0; i < noTemplates; i++)
{
- if (templates[i]->IsVisible() && (templates[i]->GetViewName() != _T("")))
+ wxDocTemplate *templ = templates[i];
+ if ( templ->IsVisible() && !templ->GetViewName().empty() )
{
- strings[n] = WXSTRINGCAST templates[i]->m_viewTypeName;
- data[n] = (wxChar *)templates[i];
- n ++;
+ int j;
+ bool want = true;
+ for (j = 0; j < n; j++)
+ {
+ //filter out NOT unique views
+ if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName )
+ want = false;
+ }
+
+ if ( want )
+ {
+ strings.Add(templ->m_viewTypeName);
+ data[n] = templ;
+ n ++;
+ }
}
}
- wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document view"), _("Views"), n,
- strings, data);
- delete[] strings;
- delete[] data;
+
+ if (sort)
+ {
+ strings.Sort(); // ascending sort
+ // Yes, this will be slow, but template lists
+ // are typically short.
+ int j;
+ n = strings.Count();
+ for (i = 0; i < n; i++)
+ {
+ for (j = 0; j < noTemplates; j++)
+ {
+ if (strings[i] == templates[j]->m_viewTypeName)
+ data[i] = templates[j];
+ }
+ }
+ }
+
+ wxDocTemplate *theTemplate;
+
+ // the same logic as above
+ switch ( n )
+ {
+ case 0:
+ theTemplate = NULL;
+ break;
+
+ case 1:
+ theTemplate = data[0];
+ break;
+
+ default:
+ theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
+ (
+ _("Select a document view"),
+ _("Views"),
+ strings,
+ (void **)data.get()
+ );
+
+ }
+
return theTemplate;
}
m_templates.DeleteObject(temp);
}
+wxDocTemplate* wxDocManager::FindTemplate(const wxClassInfo* classinfo)
+{
+ for ( wxList::compatibility_iterator node = m_templates.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxDocTemplate* t = wxStaticCast(node->GetData(), wxDocTemplate);
+ if ( t->GetDocClassInfo() == classinfo )
+ return t;
+ }
+
+ return NULL;
+}
+
// Add and remove a document from the manager's list
void wxDocManager::AddDocument(wxDocument *doc)
{
// Views or windows should inform the document manager
// when a view is going in or out of focus
-void wxDocManager::ActivateView(wxView *view, bool activate, bool WXUNUSED(deleting))
-{
- // If we're deactiving, and if we're not actually deleting the view, then
- // don't reset the current view because we may be going to
- // a window without a view.
- // WHAT DID I MEAN BY THAT EXACTLY?
- /*
- if (deleting)
- {
- if (m_currentView == view)
- m_currentView = NULL;
- }
- else
- */
- {
- if (activate)
- m_currentView = view;
- else
- m_currentView = (wxView *) NULL;
+void wxDocManager::ActivateView(wxView *view, bool activate)
+{
+ if ( activate )
+ {
+ m_currentView = view;
+ }
+ else // deactivate
+ {
+ if ( m_currentView == view )
+ {
+ // don't keep stale pointer
+ m_currentView = NULL;
+ }
}
}
// ----------------------------------------------------------------------------
-// Default document child frame
+// wxDocChildFrameAnyBase
// ----------------------------------------------------------------------------
-BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
- EVT_ACTIVATE(wxDocChildFrame::OnActivate)
- EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
-END_EVENT_TABLE()
-
-wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
- wxView *view,
- wxFrame *frame,
- wxWindowID id,
- const wxString& title,
- const wxPoint& pos,
- const wxSize& size,
- long style,
- const wxString& name)
- : wxFrame(frame, id, title, pos, size, style, name)
+bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event)
{
- m_childDocument = doc;
- m_childView = view;
- if (view)
- view->SetFrame(this);
-}
-
-wxDocChildFrame::~wxDocChildFrame()
-{
-}
-
-// Extend event processing to search the view's event table
-bool wxDocChildFrame::ProcessEvent(wxEvent& event)
-{
- if (m_childView)
- m_childView->Activate(TRUE);
-
- if ( !m_childView || ! m_childView->ProcessEvent(event) )
+ if ( m_childView )
{
- // Only hand up to the parent if it's a menu command
- if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
- return wxEvtHandler::ProcessEvent(event);
- else
- return TRUE;
- }
- else
- return TRUE;
-}
-
-void wxDocChildFrame::OnActivate(wxActivateEvent& event)
-{
- wxFrame::OnActivate(event);
+ // notice that we must call wxView::Close() and OnClose() called from
+ // it in any case, even if we know that we are going to close anyhow
+ if ( !m_childView->Close(false) && event.CanVeto() )
+ {
+ event.Veto();
+ return false;
+ }
- if (m_childView)
- m_childView->Activate(event.GetActive());
-}
+ m_childView->Activate(false);
-void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
-{
- if (m_childView)
- {
- bool ans = FALSE;
- if (!event.CanVeto())
- ans = TRUE; // Must delete.
- else
- ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
+ // it is important to reset m_childView frame pointer to NULL before
+ // deleting it because while normally it is the frame which deletes the
+ // view when it's closed, the view also closes the frame if it is
+ // deleted directly not by us as indicated by its doc child frame
+ // pointer still being set
+ m_childView->SetDocChildFrame(NULL);
+ wxDELETE(m_childView);
+ }
- if (ans)
- {
- m_childView->Activate(FALSE);
- delete m_childView;
- m_childView = (wxView *) NULL;
- m_childDocument = (wxDocument *) NULL;
+ m_childDocument = NULL;
- this->Destroy();
- }
- else
- event.Veto();
- }
- else
- event.Veto();
+ return true;
}
// ----------------------------------------------------------------------------
-// Default parent frame
+// wxDocParentFrameAnyBase
// ----------------------------------------------------------------------------
-BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame)
- EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit)
- EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile)
- EVT_CLOSE(wxDocParentFrame::OnCloseWindow)
-END_EVENT_TABLE()
-
-wxDocParentFrame::wxDocParentFrame(wxDocManager *manager,
- wxFrame *frame,
- wxWindowID id,
- const wxString& title,
- const wxPoint& pos,
- const wxSize& size,
- long style,
- const wxString& name)
- : wxFrame(frame, id, title, pos, size, style, name)
-{
- m_docManager = manager;
-}
-
-void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
-{
- Close();
-}
-
-void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
-{
- wxString f(m_docManager->GetHistoryFile(event.GetSelection() - wxID_FILE1));
- if (f != _T(""))
- (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
-}
+#if wxUSE_PRINTING_ARCHITECTURE
-// Extend event processing to search the view's event table
-bool wxDocParentFrame::ProcessEvent(wxEvent& event)
+namespace
{
- // Try the document manager, then do default processing
- if (!m_docManager || !m_docManager->ProcessEvent(event))
- return wxEvtHandler::ProcessEvent(event);
- else
- return TRUE;
-}
-// Define the behaviour for the frame closing
-// - must delete all frames except for the main one.
-void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
+wxString GetAppropriateTitle(const wxView *view, const wxString& titleGiven)
{
- if (m_docManager->Clear(!event.CanVeto()))
+ wxString title(titleGiven);
+ if ( title.empty() )
{
- this->Destroy();
+ if ( view && view->GetDocument() )
+ title = view->GetDocument()->GetUserReadableName();
+ else
+ title = _("Printout");
}
- else
- event.Veto();
+
+ return title;
}
-#if wxUSE_PRINTING_ARCHITECTURE
+} // anonymous namespace
wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
- : wxPrintout(WXSTRINGCAST title)
+ : wxPrintout(GetAppropriateTitle(view, title))
{
m_printoutView = view;
}
// Get the logical pixels per inch of screen and printer
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
+ wxUnusedVar(ppiScreenY);
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
+ wxUnusedVar(ppiPrinterY);
// This scales the DC so that the printout roughly represents the
// the screen scaling. The text point size _should_ be the right size
int w, h;
dc->GetSize(&w, &h);
GetPageSizePixels(&pageWidth, &pageHeight);
+ wxUnusedVar(pageHeight);
// If printer pageWidth == current DC width, then this doesn't
// change. But w might be the preview bitmap width, so scale down.
{
m_printoutView->OnDraw(dc);
}
- return TRUE;
+ return true;
}
bool wxDocPrintout::HasPage(int pageNum)
bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
{
if (!wxPrintout::OnBeginDocument(startPage, endPage))
- return FALSE;
+ return false;
- return TRUE;
+ return true;
}
-void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
+void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage,
+ int *selPageFrom, int *selPageTo)
{
*minPage = 1;
*maxPage = 1;
#endif // wxUSE_PRINTING_ARCHITECTURE
// ----------------------------------------------------------------------------
-// Command processing framework
+// Permits compatibility with existing file formats and functions that
+// manipulate files directly
// ----------------------------------------------------------------------------
-wxCommand::wxCommand(bool canUndoIt, const wxString& name)
-{
- m_canUndo = canUndoIt;
- m_commandName = name;
-}
+#if wxUSE_STD_IOSTREAM
-wxCommand::~wxCommand()
+bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
{
-}
-
-// Command processor
-wxCommandProcessor::wxCommandProcessor(int maxCommands)
-{
- m_maxNoCommands = maxCommands;
- m_currentCommand = (wxNode *) NULL;
- m_commandEditMenu = (wxMenu *) NULL;
-}
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("rb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::read);
+#endif
+ if ( !file.IsOpened() )
+ return false;
-wxCommandProcessor::~wxCommandProcessor()
-{
- ClearCommands();
-}
+ char buf[4096];
-// Pass a command to the processor. The processor calls Do();
-// if successful, is appended to the command history unless
-// storeIt is FALSE.
-bool wxCommandProcessor::Submit(wxCommand *command, bool storeIt)
-{
- bool success = command->Do();
- if (success && storeIt)
+ size_t nRead;
+ do
{
- if (m_commands.Number() == m_maxNoCommands)
- {
- wxNode *firstNode = m_commands.First();
- wxCommand *firstCommand = (wxCommand *)firstNode->Data();
- delete firstCommand;
- delete firstNode;
- }
+ nRead = file.Read(buf, WXSIZEOF(buf));
+ if ( file.Error() )
+ return false;
- // Correct a bug: we must chop off the current 'branch'
- // so that we're at the end of the command list.
- if (!m_currentCommand)
- ClearCommands();
- else
- {
- wxNode *node = m_currentCommand->Next();
- while (node)
- {
- wxNode *next = node->Next();
- delete (wxCommand *)node->Data();
- delete node;
- node = next;
- }
- }
-
- m_commands.Append(command);
- m_currentCommand = m_commands.Last();
- SetMenuStrings();
+ stream.write(buf, nRead);
+ if ( !stream )
+ return false;
}
- return success;
-}
+ while ( !file.Eof() );
-bool wxCommandProcessor::Undo()
-{
- if (m_currentCommand)
- {
- wxCommand *command = (wxCommand *)m_currentCommand->Data();
- if (command->CanUndo())
- {
- bool success = command->Undo();
- if (success)
- {
- m_currentCommand = m_currentCommand->Previous();
- SetMenuStrings();
- return TRUE;
- }
- }
- }
- return FALSE;
+ return true;
}
-bool wxCommandProcessor::Redo()
+bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
{
- wxCommand *redoCommand = (wxCommand *) NULL;
- wxNode *redoNode = (wxNode *) NULL;
- if (m_currentCommand && m_currentCommand->Next())
- {
- redoCommand = (wxCommand *)m_currentCommand->Next()->Data();
- redoNode = m_currentCommand->Next();
- }
- else
- {
- if (m_commands.Number() > 0)
- {
- redoCommand = (wxCommand *)m_commands.First()->Data();
- redoNode = m_commands.First();
- }
- }
-
- if (redoCommand)
- {
- bool success = redoCommand->Do();
- if (success)
- {
- m_currentCommand = redoNode;
- SetMenuStrings();
- return TRUE;
- }
- }
- return FALSE;
-}
-
-bool wxCommandProcessor::CanUndo() const
-{
- if (m_currentCommand)
- return ((wxCommand *)m_currentCommand->Data())->CanUndo();
- return FALSE;
-}
-
-bool wxCommandProcessor::CanRedo() const
-{
- if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() == (wxNode*) NULL))
- return FALSE;
-
- if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() != (wxNode*) NULL))
- return TRUE;
-
- if ((m_currentCommand == (wxNode*) NULL) && (m_commands.Number() > 0))
- return TRUE;
-
- return FALSE;
-}
-
-void wxCommandProcessor::Initialize()
-{
- m_currentCommand = m_commands.Last();
- SetMenuStrings();
-}
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("wb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::write);
+#endif
+ if ( !file.IsOpened() )
+ return false;
-void wxCommandProcessor::SetMenuStrings()
-{
- if (m_commandEditMenu)
+ char buf[4096];
+ do
{
- wxString buf;
- if (m_currentCommand)
+ stream.read(buf, WXSIZEOF(buf));
+ if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
{
- wxCommand *command = (wxCommand *)m_currentCommand->Data();
- wxString commandName(command->GetName());
- if (commandName == _T("")) commandName = _("Unnamed command");
- bool canUndo = command->CanUndo();
- if (canUndo)
- buf = wxString(_("&Undo ")) + commandName;
- else
- buf = wxString(_("Can't &Undo ")) + commandName;
-
- m_commandEditMenu->SetLabel(wxID_UNDO, buf);
- m_commandEditMenu->Enable(wxID_UNDO, canUndo);
-
- // We can redo, if we're not at the end of the history.
- if (m_currentCommand->Next())
- {
- wxCommand *redoCommand = (wxCommand *)m_currentCommand->Next()->Data();
- wxString redoCommandName(redoCommand->GetName());
- if (redoCommandName == _T("")) redoCommandName = _("Unnamed command");
- buf = wxString(_("&Redo ")) + redoCommandName;
- m_commandEditMenu->SetLabel(wxID_REDO, buf);
- m_commandEditMenu->Enable(wxID_REDO, TRUE);
- }
- else
- {
- m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo"));
- m_commandEditMenu->Enable(wxID_REDO, FALSE);
- }
- }
- else
- {
- m_commandEditMenu->SetLabel(wxID_UNDO, _("&Undo"));
- m_commandEditMenu->Enable(wxID_UNDO, FALSE);
-
- if (m_commands.Number() == 0)
- {
- m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo"));
- m_commandEditMenu->Enable(wxID_REDO, FALSE);
- }
- else
- {
- // currentCommand is NULL but there are commands: this means that
- // we've undone to the start of the list, but can redo the first.
- wxCommand *redoCommand = (wxCommand *)m_commands.First()->Data();
- wxString redoCommandName(redoCommand->GetName());
- if (redoCommandName == _T("")) redoCommandName = _("Unnamed command");
- buf = wxString(_("&Redo ")) + redoCommandName;
- m_commandEditMenu->SetLabel(wxID_REDO, buf);
- m_commandEditMenu->Enable(wxID_REDO, TRUE);
- }
+ if ( !file.Write(buf, stream.gcount()) )
+ return false;
}
}
-}
+ while ( !stream.eof() );
-void wxCommandProcessor::ClearCommands()
-{
- wxNode *node = m_commands.First();
- while (node)
- {
- wxCommand *command = (wxCommand *)node->Data();
- delete command;
- delete node;
- node = m_commands.First();
- }
- m_currentCommand = (wxNode *) NULL;
+ return true;
}
-// ----------------------------------------------------------------------------
-// File history processor
-// ----------------------------------------------------------------------------
+#else // !wxUSE_STD_IOSTREAM
-wxFileHistory::wxFileHistory(int maxFiles)
+bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
{
- m_fileMaxFiles = maxFiles;
- m_fileHistoryN = 0;
- m_fileHistory = new wxChar *[m_fileMaxFiles];
-}
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("rb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::read);
+#endif
+ if ( !file.IsOpened() )
+ return false;
-wxFileHistory::~wxFileHistory()
-{
- int i;
- for (i = 0; i < m_fileHistoryN; i++)
- delete[] m_fileHistory[i];
- delete[] m_fileHistory;
-}
+ char buf[4096];
-// File history management
-void wxFileHistory::AddFileToHistory(const wxString& file)
-{
- int i;
- // Check we don't already have this file
- for (i = 0; i < m_fileHistoryN; i++)
+ size_t nRead;
+ do
{
- if (m_fileHistory[i] && wxString(m_fileHistory[i]) == file)
- return;
- }
+ nRead = file.Read(buf, WXSIZEOF(buf));
+ if ( file.Error() )
+ return false;
- // Add to the project file history:
- // Move existing files (if any) down so we can insert file at beginning.
-
- // First delete filename that has popped off the end of the array (if any)
- if (m_fileHistoryN == m_fileMaxFiles)
- {
- delete[] m_fileHistory[m_fileMaxFiles-1];
- m_fileHistory[m_fileMaxFiles-1] = (wxChar *) NULL;
- }
- if (m_fileHistoryN < m_fileMaxFiles)
- {
- wxNode* node = m_fileMenus.First();
- while (node)
- {
- wxMenu* menu = (wxMenu*) node->Data();
- if (m_fileHistoryN == 0)
- menu->AppendSeparator();
- menu->Append(wxID_FILE1+m_fileHistoryN, _("[EMPTY]"));
- node = node->Next();
- }
- m_fileHistoryN ++;
+ stream.Write(buf, nRead);
+ if ( !stream )
+ return false;
}
- // Shuffle filenames down
- for (i = (m_fileHistoryN-1); i > 0; i--)
- {
- m_fileHistory[i] = m_fileHistory[i-1];
- }
- m_fileHistory[0] = copystring(file);
+ while ( !file.Eof() );
- for (i = 0; i < m_fileHistoryN; i++)
- if (m_fileHistory[i])
- {
- wxString buf;
- buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
- wxNode* node = m_fileMenus.First();
- while (node)
- {
- wxMenu* menu = (wxMenu*) node->Data();
- menu->SetLabel(wxID_FILE1+i, buf);
- node = node->Next();
- }
- }
+ return true;
}
-wxString wxFileHistory::GetHistoryFile(int i) const
+bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
{
- if (i < m_fileHistoryN)
- return wxString(m_fileHistory[i]);
- else
- return wxString("");
-}
-
-void wxFileHistory::UseMenu(wxMenu *menu)
-{
- if (!m_fileMenus.Member(menu))
- m_fileMenus.Append(menu);
-}
-
-void wxFileHistory::RemoveMenu(wxMenu *menu)
-{
- m_fileMenus.DeleteObject(menu);
-}
-
-#if wxUSE_CONFIG
-void wxFileHistory::Load(wxConfigBase& config)
-{
- m_fileHistoryN = 0;
- wxString buf;
- buf.Printf(_T("file%d"), m_fileHistoryN+1);
- wxString historyFile;
- while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != _T("")))
- {
- m_fileHistory[m_fileHistoryN] = copystring((const wxChar*) historyFile);
- m_fileHistoryN ++;
- buf.Printf(_T("file%d"), m_fileHistoryN+1);
- historyFile = "";
- }
- AddFilesToMenu();
-}
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("wb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::write);
+#endif
+ if ( !file.IsOpened() )
+ return false;
-void wxFileHistory::Save(wxConfigBase& config)
-{
- int i;
- for (i = 0; i < m_fileHistoryN; i++)
+ char buf[4096];
+ for ( ;; )
{
- wxString buf;
- buf.Printf(_T("file%d"), i+1);
- config.Write(buf, wxString(m_fileHistory[i]));
- }
-}
-#endif // wxUSE_CONFIG
+ stream.Read(buf, WXSIZEOF(buf));
-void wxFileHistory::AddFilesToMenu()
-{
- if (m_fileHistoryN > 0)
- {
- wxNode* node = m_fileMenus.First();
- while (node)
+ const size_t nRead = stream.LastRead();
+ if ( !nRead )
{
- wxMenu* menu = (wxMenu*) node->Data();
- menu->AppendSeparator();
- int i;
- for (i = 0; i < m_fileHistoryN; i++)
- {
- if (m_fileHistory[i])
- {
- wxString buf;
- buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
- menu->Append(wxID_FILE1+i, buf);
- }
- }
- node = node->Next();
- }
- }
-}
+ if ( stream.Eof() )
+ break;
-void wxFileHistory::AddFilesToMenu(wxMenu* menu)
-{
- if (m_fileHistoryN > 0)
- {
- menu->AppendSeparator();
- int i;
- for (i = 0; i < m_fileHistoryN; i++)
- {
- if (m_fileHistory[i])
- {
- wxString buf;
- buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
- menu->Append(wxID_FILE1+i, buf);
- }
+ return false;
}
- }
-}
-// ----------------------------------------------------------------------------
-// Permits compatibility with existing file formats and functions that
-// manipulate files directly
-// ----------------------------------------------------------------------------
-
-bool wxTransferFileToStream(const wxString& filename, ostream& stream)
-{
- FILE *fd1;
- int ch;
-
- if ((fd1 = fopen (filename.fn_str(), "rb")) == NULL)
- return FALSE;
-
- while ((ch = getc (fd1)) != EOF)
- stream << (unsigned char)ch;
-
- fclose (fd1);
- return TRUE;
-}
-
-bool wxTransferStreamToFile(istream& stream, const wxString& filename)
-{
- FILE *fd1;
- int ch;
-
- if ((fd1 = fopen (filename.fn_str(), "wb")) == NULL)
- {
- return FALSE;
+ if ( !file.Write(buf, nRead) )
+ return false;
}
- while (!stream.eof())
- {
- ch = stream.get();
- if (!stream.eof())
- putc (ch, fd1);
- }
- fclose (fd1);
- return TRUE;
+ return true;
}
-#endif // wxUSE_DOC_VIEW_ARCHITECTURE
+#endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
+#endif // wxUSE_DOC_VIEW_ARCHITECTURE
projects / wxWidgets.git / blobdiff