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dolphin/Externals/wxWidgets/src/common/docview.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: src/common/docview.cpp
// Purpose: Document/view classes
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id: docview.cpp 51392 2008-01-26 23:23:09Z VZ $
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#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/filedlg.h"
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/msgdlg.h"
#include "wx/mdi.h"
#include "wx/choicdlg.h"
#endif
#include "wx/ffile.h"
#ifdef __WXMAC__
#include "wx/filename.h"
#endif
#if wxUSE_PRINTING_ARCHITECTURE
#include "wx/prntbase.h"
#include "wx/printdlg.h"
#endif
#include "wx/confbase.h"
#include "wx/file.h"
#include "wx/cmdproc.h"
#include "wx/tokenzr.h"
#include <stdio.h>
#include <string.h>
#if wxUSE_STD_IOSTREAM
#include "wx/ioswrap.h"
#if wxUSE_IOSTREAMH
#include <fstream.h>
#else
#include <fstream>
#endif
#else
#include "wx/wfstream.h"
#endif
// ----------------------------------------------------------------------------
// wxWidgets macros
// ----------------------------------------------------------------------------
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_DYNAMIC_CLASS(wxFileHistory, wxObject)
// ----------------------------------------------------------------------------
// function prototypes
// ----------------------------------------------------------------------------
static wxWindow* wxFindSuitableParent(void);
// ----------------------------------------------------------------------------
// local constants
// ----------------------------------------------------------------------------
static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// local functions
// ----------------------------------------------------------------------------
static wxString FindExtension(const wxChar *path)
{
wxString ext;
wxSplitPath(path, NULL, NULL, &ext);
// VZ: extensions are considered not case sensitive - is this really a good
// idea?
return ext.MakeLower();
}
// ----------------------------------------------------------------------------
// Definition of wxDocument
// ----------------------------------------------------------------------------
wxDocument::wxDocument(wxDocument *parent)
{
m_documentModified = false;
m_documentParent = parent;
m_documentTemplate = (wxDocTemplate *) NULL;
m_commandProcessor = (wxCommandProcessor*) NULL;
m_savedYet = false;
}
bool wxDocument::DeleteContents()
{
return true;
}
wxDocument::~wxDocument()
{
DeleteContents();
if (m_commandProcessor)
delete m_commandProcessor;
if (GetDocumentManager())
GetDocumentManager()->RemoveDocument(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,
// we've called destructors higher up.
//DeleteAllViews();
}
bool wxDocument::Close()
{
if (OnSaveModified())
return OnCloseDocument();
else
return false;
}
bool wxDocument::OnCloseDocument()
{
// Tell all views that we're about to close
NotifyClosing();
DeleteContents();
Modify(false);
return true;
}
// Note that this implicitly deletes the document when the last view is
// deleted.
bool wxDocument::DeleteAllViews()
{
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
{
// as we delete elements we iterate over, don't use the usual "from
// begin to end" loop
for ( ;; )
{
wxView *view = (wxView *)*m_documentViews.begin();
bool isLastOne = m_documentViews.size() == 1;
// 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;
}
wxView *wxDocument::GetFirstView() const
{
if (m_documentViews.GetCount() == 0)
return (wxView *) NULL;
return (wxView *)m_documentViews.GetFirst()->GetData();
}
wxDocManager *wxDocument::GetDocumentManager() const
{
return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
}
bool wxDocument::OnNewDocument()
{
if (!OnSaveModified())
return false;
if (OnCloseDocument()==false) return false;
DeleteContents();
Modify(false);
SetDocumentSaved(false);
wxString name;
GetDocumentManager()->MakeDefaultName(name);
SetTitle(name);
SetFilename(name, true);
return true;
}
bool wxDocument::Save()
{
if (!IsModified() && m_savedYet)
return true;
if ( m_documentFile.empty() || !m_savedYet )
return SaveAs();
return OnSaveDocument(m_documentFile);
}
bool wxDocument::SaveAs()
{
wxDocTemplate *docTemplate = GetDocumentTemplate();
if (!docTemplate)
return false;
#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
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 (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();
}
node = node->GetNext();
}
}
#else
wxString filter = docTemplate->GetFileFilter() ;
#endif
wxString defaultDir = docTemplate->GetDirectory();
if (defaultDir.IsEmpty())
defaultDir = wxPathOnly(GetFilename());
wxString tmp = wxFileSelector(_("Save as"),
defaultDir,
wxFileNameFromPath(GetFilename()),
docTemplate->GetDefaultExtension(),
filter,
wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
GetDocumentWindow());
if (tmp.empty())
return false;
wxString fileName(tmp);
wxString path, name, ext;
wxSplitPath(fileName, & path, & name, & ext);
if (ext.empty())
{
fileName += wxT(".");
fileName += docTemplate->GetDefaultExtension();
}
SetFilename(fileName);
SetTitle(wxFileNameFromPath(fileName));
// Notify the views that the filename has changed
wxList::compatibility_iterator node = m_documentViews.GetFirst();
while (node)
{
wxView *view = (wxView *)node->GetData();
view->OnChangeFilename();
node = node->GetNext();
}
// Files that were not saved correctly are not added to the FileHistory.
if (!OnSaveDocument(m_documentFile))
return false;
// 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))
{
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 true;
}
bool wxDocument::OnSaveDocument(const wxString& file)
{
if ( !file )
return false;
if ( !DoSaveDocument(file) )
return false;
Modify(false);
SetFilename(file);
SetDocumentSaved(true);
#ifdef __WXMAC__
wxFileName fn(file) ;
fn.MacSetDefaultTypeAndCreator() ;
#endif
return true;
}
bool wxDocument::OnOpenDocument(const wxString& file)
{
if (!OnSaveModified())
return false;
if ( !DoOpenDocument(file) )
return false;
SetFilename(file, true);
Modify(false);
m_savedYet = true;
UpdateAllViews();
return true;
}
#if wxUSE_STD_IOSTREAM
wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
#else
wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
#endif
{
return stream;
}
#if wxUSE_STD_IOSTREAM
wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
#else
wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
#endif
{
return stream;
}
bool wxDocument::Revert()
{
return false;
}
// Get title, or filename if no title, else unnamed
bool wxDocument::GetPrintableName(wxString& buf) const
{
if (!m_documentTitle.empty())
{
buf = m_documentTitle;
return true;
}
else if (!m_documentFile.empty())
{
buf = wxFileNameFromPath(m_documentFile);
return true;
}
else
{
buf = _("unnamed");
return true;
}
}
wxWindow *wxDocument::GetDocumentWindow() const
{
wxView *view = GetFirstView();
if (view)
return view->GetFrame();
else
return wxTheApp->GetTopWindow();
}
wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
{
return new wxCommandProcessor;
}
// true if safe to close
bool wxDocument::OnSaveModified()
{
if (IsModified())
{
wxString title;
GetPrintableName(title);
wxString msgTitle;
if (!wxTheApp->GetAppName().empty())
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)
{
Modify(false);
return true;
}
else if (res == wxYES)
return Save();
else if (res == wxCANCEL)
return false;
}
return true;
}
bool wxDocument::Draw(wxDC& WXUNUSED(context))
{
return true;
}
bool wxDocument::AddView(wxView *view)
{
if (!m_documentViews.Member(view))
{
m_documentViews.Append(view);
OnChangedViewList();
}
return true;
}
bool wxDocument::RemoveView(wxView *view)
{
(void)m_documentViews.DeleteObject(view);
OnChangedViewList();
return true;
}
bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
{
if (GetDocumentTemplate()->CreateView(this, flags))
return true;
else
return false;
}
// Called after a view is added or removed.
// The default implementation deletes the document if
// there are no more views.
void wxDocument::OnChangedViewList()
{
if (m_documentViews.GetCount() == 0)
{
if (OnSaveModified())
{
delete this;
}
}
}
void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
{
wxList::compatibility_iterator node = m_documentViews.GetFirst();
while (node)
{
wxView *view = (wxView *)node->GetData();
if (view != sender)
view->OnUpdate(sender, hint);
node = node->GetNext();
}
}
void wxDocument::NotifyClosing()
{
wxList::compatibility_iterator node = m_documentViews.GetFirst();
while (node)
{
wxView *view = (wxView *)node->GetData();
view->OnClosingDocument();
node = node->GetNext();
}
}
void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
{
m_documentFile = filename;
if ( notifyViews )
{
// Notify the views that the filename has changed
wxList::compatibility_iterator node = m_documentViews.GetFirst();
while (node)
{
wxView *view = (wxView *)node->GetData();
view->OnChangeFilename();
node = node->GetNext();
}
}
}
bool wxDocument::DoSaveDocument(const wxString& file)
{
wxString msgTitle;
if (!wxTheApp->GetAppName().empty())
msgTitle = wxTheApp->GetAppName();
else
msgTitle = wxString(_("File error"));
#if wxUSE_STD_IOSTREAM
wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
if (store.fail() || store.bad())
#else
wxFileOutputStream store(file);
if (store.GetLastError() != wxSTREAM_NO_ERROR)
#endif
{
(void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
GetDocumentWindow());
// Saving error
return false;
}
if (!SaveObject(store))
{
(void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
GetDocumentWindow());
// Saving error
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.fail() && !store.bad())
#else
wxFileInputStream store(file);
if (store.GetLastError() == wxSTREAM_NO_ERROR)
#endif
{
#if wxUSE_STD_IOSTREAM
LoadObject(store);
if ( !!store || store.eof() )
#else
int res = LoadObject(store).GetLastError();
if ( res == wxSTREAM_NO_ERROR || res == wxSTREAM_EOF )
#endif
return true;
}
wxLogError(_("Sorry, could not open this file."));
return false;
}
// ----------------------------------------------------------------------------
// Document view
// ----------------------------------------------------------------------------
wxView::wxView()
{
m_viewDocument = (wxDocument*) NULL;
m_viewFrame = (wxFrame *) NULL;
}
wxView::~wxView()
{
GetDocumentManager()->ActivateView(this, false);
m_viewDocument->RemoveView(this);
}
// Extend event processing to search the document's event table
bool wxView::ProcessEvent(wxEvent& event)
{
if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
return wxEvtHandler::ProcessEvent(event);
return true;
}
void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
{
}
void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info))
{
OnDraw(dc);
}
void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
{
}
void wxView::OnChangeFilename()
{
// 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;
wxDocument *doc = GetDocument();
if (!doc) return;
wxString name;
doc->GetPrintableName(name);
win->SetLabel(name);
}
void wxView::SetDocument(wxDocument *doc)
{
m_viewDocument = doc;
if (doc)
doc->AddView(this);
}
bool wxView::Close(bool deleteWindow)
{
if (OnClose(deleteWindow))
return true;
else
return false;
}
void wxView::Activate(bool activate)
{
if (GetDocument() && GetDocumentManager())
{
OnActivateView(activate, this, GetDocumentManager()->GetCurrentView());
GetDocumentManager()->ActivateView(this, activate);
}
}
bool wxView::OnClose(bool WXUNUSED(deleteWindow))
{
return GetDocument() ? GetDocument()->Close() : true;
}
#if wxUSE_PRINTING_ARCHITECTURE
wxPrintout *wxView::OnCreatePrintout()
{
return new wxDocPrintout(this);
}
#endif // wxUSE_PRINTING_ARCHITECTURE
// ----------------------------------------------------------------------------
// wxDocTemplate
// ----------------------------------------------------------------------------
wxDocTemplate::wxDocTemplate(wxDocManager *manager,
const wxString& descr,
const wxString& filter,
const wxString& dir,
const wxString& ext,
const wxString& docTypeName,
const wxString& viewTypeName,
wxClassInfo *docClassInfo,
wxClassInfo *viewClassInfo,
long flags)
{
m_documentManager = manager;
m_description = descr;
m_directory = dir;
m_defaultExt = ext;
m_fileFilter = filter;
m_flags = flags;
m_docTypeName = docTypeName;
m_viewTypeName = viewTypeName;
m_documentManager->AssociateTemplate(this);
m_docClassInfo = docClassInfo;
m_viewClassInfo = viewClassInfo;
}
wxDocTemplate::~wxDocTemplate()
{
m_documentManager->DisassociateTemplate(this);
}
// Tries to dynamically construct an object of the right class.
wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
{
wxDocument *doc = DoCreateDocument();
if ( doc == NULL )
return (wxDocument *) NULL;
if (InitDocument(doc, path, flags))
{
return doc;
}
else
{
return (wxDocument *) 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 true;
else
{
if (GetDocumentManager()->GetDocuments().Member(doc))
doc->DeleteAllViews();
return false;
}
}
wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
{
wxView *view = DoCreateView();
if ( view == NULL )
return (wxView *) NULL;
view->SetDocument(doc);
if (view->OnCreate(doc, flags))
{
return view;
}
else
{
delete view;
return (wxView *) NULL;
}
}
// 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 (wxDocument *) NULL;
return (wxDocument *)m_docClassInfo->CreateObject();
}
wxView *wxDocTemplate::DoCreateView()
{
if (!m_viewClassInfo)
return (wxView *) NULL;
return (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)
EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateFileClose)
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_PREVIEW, wxDocManager::OnPreview)
EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
#endif
END_EVENT_TABLE()
wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
wxDocManager::wxDocManager(long flags, bool initialize)
{
m_defaultDocumentNameCounter = 1;
m_flags = flags;
m_currentView = (wxView *) NULL;
m_maxDocsOpen = 10000;
m_fileHistory = (wxFileHistory *) NULL;
if (initialize)
Initialize();
sm_docManager = this;
}
wxDocManager::~wxDocManager()
{
Clear();
if (m_fileHistory)
delete m_fileHistory;
sm_docManager = (wxDocManager*) NULL;
}
// closes the specified document
bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
{
if (doc->Close() || force)
{
// Implicitly deletes the document when
// the last view is deleted
doc->DeleteAllViews();
// Check we're really deleted
if (m_docs.Member(doc))
delete doc;
return true;
}
return false;
}
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();
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;
}
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->GetData();
wxList::compatibility_iterator next = node->GetNext();
delete templ;
node = next;
}
return true;
}
bool wxDocManager::Initialize()
{
m_fileHistory = OnCreateFileHistory();
return true;
}
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;
}
}
void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
{
CloseDocuments(false);
}
void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
{
CreateDocument( wxEmptyString, wxDOC_NEW );
}
void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
{
if ( !CreateDocument( wxEmptyString, 0) )
{
OnOpenFileFailure();
}
}
void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
{
wxDocument *doc = GetCurrentDocument();
if (!doc)
return;
doc->Revert();
}
void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event))
{
wxDocument *doc = GetCurrentDocument();
if (!doc)
return;
doc->Save();
}
void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
{
wxDocument *doc = GetCurrentDocument();
if (!doc)
return;
doc->SaveAs();
}
void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_PRINTING_ARCHITECTURE
wxView *view = GetCurrentView();
if (!view)
return;
wxPrintout *printout = view->OnCreatePrintout();
if (printout)
{
wxPrinter printer;
printer.Print(view->GetFrame(), printout, true);
delete printout;
}
#endif // wxUSE_PRINTING_ARCHITECTURE
}
void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_PRINTING_ARCHITECTURE
wxView *view = GetCurrentView();
if (!view)
return;
wxPrintout *printout = view->OnCreatePrintout();
if (printout)
{
// Pass two printout objects: for preview, and possible printing.
wxPrintPreviewBase *preview = new wxPrintPreview(printout, view->OnCreatePrintout());
if ( !preview->Ok() )
{
delete preview;
wxMessageBox( _("Sorry, print preview needs a printer to be installed.") );
return;
}
wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
wxPoint(100, 100), wxSize(600, 650));
frame->Centre(wxBOTH);
frame->Initialize();
frame->Show(true);
}
#endif // wxUSE_PRINTING_ARCHITECTURE
}
void wxDocManager::OnUndo(wxCommandEvent& event)
{
wxDocument *doc = GetCurrentDocument();
if (!doc)
return;
if (doc->GetCommandProcessor())
doc->GetCommandProcessor()->Undo();
else
event.Skip();
}
void wxDocManager::OnRedo(wxCommandEvent& event)
{
wxDocument *doc = GetCurrentDocument();
if (!doc)
return;
if (doc->GetCommandProcessor())
doc->GetCommandProcessor()->Redo();
else
event.Skip();
}
// Handlers for UI update commands
void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
{
event.Enable( true );
}
void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
event.Enable( (doc != (wxDocument*) NULL) );
}
void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
event.Enable( (doc != (wxDocument*) NULL) );
}
void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
{
event.Enable( true );
}
void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
event.Enable( doc && doc->IsModified() );
}
void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
event.Enable( (doc != (wxDocument*) NULL) );
}
void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
if (!doc)
event.Enable(false);
else if (!doc->GetCommandProcessor())
event.Skip();
else
{
event.Enable( doc->GetCommandProcessor()->CanUndo() );
doc->GetCommandProcessor()->SetMenuStrings();
}
}
void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
if (!doc)
event.Enable(false);
else if (!doc->GetCommandProcessor())
event.Skip();
else
{
event.Enable( doc->GetCommandProcessor()->CanRedo() );
doc->GetCommandProcessor()->SetMenuStrings();
}
}
void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
event.Enable( (doc != (wxDocument*) NULL) );
}
void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
{
wxDocument *doc = GetCurrentDocument();
event.Enable( (doc != (wxDocument*) NULL) );
}
wxView *wxDocManager::GetCurrentView() const
{
if (m_currentView)
return m_currentView;
if (m_docs.GetCount() == 1)
{
wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
return doc->GetFirstView();
}
return (wxView *) NULL;
}
// Extend event processing to search the view's event table
bool wxDocManager::ProcessEvent(wxEvent& event)
{
wxView* view = GetCurrentView();
if (view)
{
if (view->ProcessEvent(event))
return true;
}
return wxEvtHandler::ProcessEvent(event);
}
wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
{
wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
int n = 0;
for (size_t i = 0; i < m_templates.GetCount(); i++)
{
wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
if (temp->IsVisible())
{
templates[n] = temp;
n ++;
}
}
if (n == 0)
{
delete[] templates;
return (wxDocument *) NULL;
}
wxDocument* docToClose = NULL;
// If we've reached the max number of docs, close the
// first one.
if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
{
wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData();
docToClose = doc;
}
// New document: user chooses a template, unless there's only one.
if (flags & wxDOC_NEW)
{
if (n == 1)
{
if (docToClose)
{
if (!CloseDocument(docToClose, false))
{
delete[] templates;
return NULL;
}
}
wxDocTemplate *temp = templates[0];
delete[] templates;
wxDocument *newDoc = temp->CreateDocument(path, flags);
if (newDoc)
{
newDoc->SetDocumentName(temp->GetDocumentName());
newDoc->SetDocumentTemplate(temp);
if (!newDoc->OnNewDocument() )
{
// Document is implicitly deleted by DeleteAllViews
newDoc->DeleteAllViews();
return NULL;
}
}
return newDoc;
}
wxDocTemplate *temp = SelectDocumentType(templates, n);
delete[] templates;
if (temp)
{
if (docToClose)
{
if (!CloseDocument(docToClose, false))
{
return NULL;
}
}
wxDocument *newDoc = temp->CreateDocument(path, flags);
if (newDoc)
{
newDoc->SetDocumentName(temp->GetDocumentName());
newDoc->SetDocumentTemplate(temp);
if (!newDoc->OnNewDocument() )
{
// Document is implicitly deleted by DeleteAllViews
newDoc->DeleteAllViews();
return NULL;
}
}
return newDoc;
}
else
return (wxDocument *) NULL;
}
// Existing document
wxDocTemplate *temp;
wxString path2 = path;
if (flags & wxDOC_SILENT)
{
temp = FindTemplateForPath(path2);
if (!temp)
{
// Since we do not add files with non-default extensions to the FileHistory this
// can only happen if the application changes the allowed templates in runtime.
(void)wxMessageBox(_("Sorry, the format for this file is unknown."),
_("Open File"),
wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
}
}
else
temp = SelectDocumentPath(templates, n, path2, flags);
delete[] templates;
if (temp)
{
if (docToClose)
{
if (!CloseDocument(docToClose, false))
{
return NULL;
}
}
//see if this file is already open
for (size_t i = 0; i < GetDocuments().GetCount(); ++i)
{
wxDocument* currentDoc = (wxDocument*)(GetDocuments().Item(i)->GetData());
#ifdef __WXMSW__
//file paths are case-insensitive on Windows
if (path2.CmpNoCase(currentDoc->GetFilename()) == 0)
#else
if (path2.Cmp(currentDoc->GetFilename()) == 0)
#endif
{
//file already open. Just activate it and return
if (currentDoc->GetFirstView())
{
ActivateView(currentDoc->GetFirstView(), true);
if (currentDoc->GetDocumentWindow())
currentDoc->GetDocumentWindow()->SetFocus();
return currentDoc;
}
}
}
wxDocument *newDoc = temp->CreateDocument(path2, flags);
if (newDoc)
{
newDoc->SetDocumentName(temp->GetDocumentName());
newDoc->SetDocumentTemplate(temp);
if (!newDoc->OnOpenDocument(path2))
{
newDoc->DeleteAllViews();
// delete newDoc; // Implicitly deleted by DeleteAllViews
return (wxDocument *) NULL;
}
// 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 (temp->FileMatchesTemplate(path2))
AddFileToHistory(path2);
}
return newDoc;
}
return (wxDocument *) NULL;
}
wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
{
wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
int n =0;
for (size_t i = 0; i < m_templates.GetCount(); i++)
{
wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
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;
}
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;
}
// Not yet implemented
void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
{
}
// Not yet implemented
bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
{
return false;
}
wxDocument *wxDocManager::GetCurrentDocument() const
{
wxView *view = GetCurrentView();
if (view)
return view->GetDocument();
else
return (wxDocument *) NULL;
}
// Make a default document name
bool wxDocManager::MakeDefaultName(wxString& name)
{
name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
m_defaultDocumentNameCounter++;
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->GetAppName();
wxString title;
if (!doc)
title = appName;
else
{
wxString docName;
doc->GetPrintableName(docName);
title = docName + wxString(_(" - ")) + appName;
}
return title;
}
// Not yet implemented
wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
{
return (wxDocTemplate *) NULL;
}
// File history management
void wxDocManager::AddFileToHistory(const wxString& file)
{
if (m_fileHistory)
m_fileHistory->AddFileToHistory(file);
}
void wxDocManager::RemoveFileFromHistory(size_t i)
{
if (m_fileHistory)
m_fileHistory->RemoveFileFromHistory(i);
}
wxString wxDocManager::GetHistoryFile(size_t i) const
{
wxString histFile;
if (m_fileHistory)
histFile = m_fileHistory->GetHistoryFile(i);
return histFile;
}
void wxDocManager::FileHistoryUseMenu(wxMenu *menu)
{
if (m_fileHistory)
m_fileHistory->UseMenu(menu);
}
void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu)
{
if (m_fileHistory)
m_fileHistory->RemoveMenu(menu);
}
#if wxUSE_CONFIG
void wxDocManager::FileHistoryLoad(wxConfigBase& config)
{
if (m_fileHistory)
m_fileHistory->Load(config);
}
void wxDocManager::FileHistorySave(wxConfigBase& config)
{
if (m_fileHistory)
m_fileHistory->Save(config);
}
#endif
void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu)
{
if (m_fileHistory)
m_fileHistory->AddFilesToMenu(menu);
}
void wxDocManager::FileHistoryAddFilesToMenu()
{
if (m_fileHistory)
m_fileHistory->AddFilesToMenu();
}
size_t wxDocManager::GetHistoryFilesCount() const
{
return m_fileHistory ? m_fileHistory->GetCount() : 0;
}
// Find out the document template via matching in the document file format
// against that of the template
wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
{
wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
// Find the template which this extension corresponds to
for (size_t i = 0; i < m_templates.GetCount(); i++)
{
wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData();
if ( temp->FileMatchesTemplate(path) )
{
theTemplate = temp;
break;
}
}
return theTemplate;
}
// Try to get a more suitable parent frame than the top window,
// for selection dialogs. Otherwise you may get an unexpected
// window being activated when a dialog is shown.
static wxWindow* wxFindSuitableParent()
{
wxWindow* parent = wxTheApp->GetTopWindow();
wxWindow* focusWindow = wxWindow::FindFocus();
if (focusWindow)
{
while (focusWindow &&
!focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
!focusWindow->IsKindOf(CLASSINFO(wxFrame)))
focusWindow = focusWindow->GetParent();
if (focusWindow)
parent = focusWindow;
}
return parent;
}
// Prompts user to open a file, using file specs in templates.
// Must extend the file selector dialog or implement own; OR
// match the extension to the template extension.
wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
int noTemplates,
#else
int WXUNUSED(noTemplates),
#endif
wxString& path,
long WXUNUSED(flags),
bool WXUNUSED(save))
{
// We can only have multiple filters in Windows and GTK
#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
wxString descrBuf;
int i;
for (i = 0; i < noTemplates; i++)
{
if (templates[i]->IsVisible())
{
// add a '|' to separate this filter from the previous one
if ( !descrBuf.empty() )
descrBuf << wxT('|');
descrBuf << templates[i]->GetDescription()
<< wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
<< templates[i]->GetFileFilter();
}
}
#else
wxString descrBuf = wxT("*.*");
#endif
int FilterIndex = -1;
wxWindow* parent = wxFindSuitableParent();
wxString pathTmp = wxFileSelectorEx(_("Select a file"),
m_lastDirectory,
wxEmptyString,
&FilterIndex,
descrBuf,
0,
parent);
wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
if (!pathTmp.empty())
{
if (!wxFileExists(pathTmp))
{
wxString msgTitle;
if (!wxTheApp->GetAppName().empty())
msgTitle = wxTheApp->GetAppName();
else
msgTitle = wxString(_("File error"));
(void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
parent);
path = wxEmptyString;
return (wxDocTemplate *) NULL;
}
m_lastDirectory = wxPathOnly(pathTmp);
path = pathTmp;
// 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 FileHistory this
// can only happen if the application changes the allowed templates in runtime.
(void)wxMessageBox(_("Sorry, the format for this file is unknown."),
_("Open File"),
wxOK | wxICON_EXCLAMATION, wxFindSuitableParent());
}
}
else
{
path = wxEmptyString;
}
return theTemplate;
}
wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
int noTemplates, bool sort)
{
wxArrayString strings;
wxDocTemplate **data = new wxDocTemplate *[noTemplates];
int i;
int n = 0;
for (i = 0; i < noTemplates; i++)
{
if (templates[i]->IsVisible())
{
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 ++;
}
}
} // for
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_description)
data[i] = templates[j];
}
}
}
wxDocTemplate *theTemplate;
switch ( n )
{
case 0:
// no visible templates, hence nothing to choose from
theTemplate = NULL;
break;
case 1:
// don't propose the user to choose if he heas 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,
wxFindSuitableParent()
);
}
delete[] data;
return theTemplate;
}
wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
int noTemplates, bool sort)
{
wxArrayString strings;
wxDocTemplate **data = new wxDocTemplate *[noTemplates];
int i;
int n = 0;
for (i = 0; i < noTemplates; i++)
{
wxDocTemplate *templ = templates[i];
if ( templ->IsVisible() && !templ->GetViewName().empty() )
{
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 ++;
}
}
}
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 = (wxDocTemplate *)NULL;
break;
case 1:
theTemplate = data[0];
break;
default:
theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
(
_("Select a document view"),
_("Views"),
strings,
(void **)data,
wxFindSuitableParent()
);
}
delete[] data;
return theTemplate;
}
void wxDocManager::AssociateTemplate(wxDocTemplate *temp)
{
if (!m_templates.Member(temp))
m_templates.Append(temp);
}
void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
{
m_templates.DeleteObject(temp);
}
// Add and remove a document from the manager's list
void wxDocManager::AddDocument(wxDocument *doc)
{
if (!m_docs.Member(doc))
m_docs.Append(doc);
}
void wxDocManager::RemoveDocument(wxDocument *doc)
{
m_docs.DeleteObject(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)
{
if ( activate )
{
m_currentView = view;
}
else // deactivate
{
if ( m_currentView == view )
{
// don't keep stale pointer
m_currentView = (wxView *) NULL;
}
}
}
// ----------------------------------------------------------------------------
// Default document child frame
// ----------------------------------------------------------------------------
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)
{
m_childDocument = doc;
m_childView = view;
if (view)
view->SetFrame(this);
}
// 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) )
{
// 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);
if (m_childView)
m_childView->Activate(event.GetActive());
}
void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
{
if (m_childView)
{
bool ans = event.CanVeto()
? m_childView->Close(false) // false means don't delete associated window
: true; // Must delete.
if (ans)
{
m_childView->Activate(false);
delete m_childView;
m_childView = (wxView *) NULL;
m_childDocument = (wxDocument *) NULL;
this->Destroy();
}
else
event.Veto();
}
else
event.Veto();
}
// ----------------------------------------------------------------------------
// Default parent frame
// ----------------------------------------------------------------------------
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()
{
m_docManager = NULL;
}
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;
}
bool wxDocParentFrame::Create(wxDocManager *manager,
wxFrame *frame,
wxWindowID id,
const wxString& title,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
m_docManager = manager;
return base_type::Create(frame, id, title, pos, size, style, name);
}
void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
{
Close();
}
void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
{
int n = event.GetId() - wxID_FILE1; // the index in MRU list
wxString filename(m_docManager->GetHistoryFile(n));
if ( !filename.empty() )
{
// verify that the file exists before doing anything else
if ( wxFile::Exists(filename) )
{
// try to open it
if (!m_docManager->CreateDocument(filename, wxDOC_SILENT))
{
// remove the file from the MRU list. The user should already be notified.
m_docManager->RemoveFileFromHistory(n);
wxLogError(_("The file '%s' couldn't be opened.\nIt has been removed from the most recently used files list."),
filename.c_str());
}
}
else
{
// remove the bogus filename from the MRU list and notify the user
// about it
m_docManager->RemoveFileFromHistory(n);
wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
filename.c_str());
}
}
}
// Extend event processing to search the view's event table
bool wxDocParentFrame::ProcessEvent(wxEvent& event)
{
// 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)
{
if (m_docManager->Clear(!event.CanVeto()))
{
this->Destroy();
}
else
event.Veto();
}
#if wxUSE_PRINTING_ARCHITECTURE
wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
: wxPrintout(title)
{
m_printoutView = view;
}
bool wxDocPrintout::OnPrintPage(int WXUNUSED(page))
{
wxDC *dc = GetDC();
// 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
// but in fact is too small for some reason. This is a detail that will
// need to be addressed at some point but can be fudged for the
// moment.
float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
// Now we have to check in case our real page size is reduced
// (e.g. because we're drawing to a print preview memory DC)
int pageWidth, pageHeight;
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.
float overallScale = scale * (float)(w/(float)pageWidth);
dc->SetUserScale(overallScale, overallScale);
if (m_printoutView)
{
m_printoutView->OnDraw(dc);
}
return true;
}
bool wxDocPrintout::HasPage(int pageNum)
{
return (pageNum == 1);
}
bool wxDocPrintout::OnBeginDocument(int startPage, int endPage)
{
if (!wxPrintout::OnBeginDocument(startPage, endPage))
return false;
return true;
}
void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
{
*minPage = 1;
*maxPage = 1;
*selPageFrom = 1;
*selPageTo = 1;
}
#endif // wxUSE_PRINTING_ARCHITECTURE
// ----------------------------------------------------------------------------
// File history processor
// ----------------------------------------------------------------------------
static inline wxChar* MYcopystring(const wxString& s)
{
wxChar* copy = new wxChar[s.length() + 1];
return wxStrcpy(copy, s.c_str());
}
static inline wxChar* MYcopystring(const wxChar* s)
{
wxChar* copy = new wxChar[wxStrlen(s) + 1];
return wxStrcpy(copy, s);
}
wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
{
m_fileMaxFiles = maxFiles;
m_idBase = idBase;
m_fileHistoryN = 0;
m_fileHistory = new wxChar *[m_fileMaxFiles];
}
wxFileHistory::~wxFileHistory()
{
size_t i;
for (i = 0; i < m_fileHistoryN; i++)
delete[] m_fileHistory[i];
delete[] m_fileHistory;
}
// File history management
void wxFileHistory::AddFileToHistory(const wxString& file)
{
size_t i;
// Check we don't already have this file
for (i = 0; i < m_fileHistoryN; i++)
{
#if defined( __WXMSW__ ) // Add any other OSes with case insensitive file names
wxString testString;
if ( m_fileHistory[i] )
testString = m_fileHistory[i];
if ( m_fileHistory[i] && ( file.Lower() == testString.Lower() ) )
#else
if ( m_fileHistory[i] && ( file == m_fileHistory[i] ) )
#endif
{
// we do have it, move it to the top of the history
RemoveFileFromHistory (i);
AddFileToHistory (file);
return;
}
}
// if we already have a full history, delete the one at the end
if ( m_fileMaxFiles == m_fileHistoryN )
{
RemoveFileFromHistory (m_fileHistoryN - 1);
AddFileToHistory (file);
return;
}
// Add to the project file history:
// Move existing files (if any) down so we can insert file at beginning.
if (m_fileHistoryN < m_fileMaxFiles)
{
wxList::compatibility_iterator node = m_fileMenus.GetFirst();
while (node)
{
wxMenu* menu = (wxMenu*) node->GetData();
if ( m_fileHistoryN == 0 && menu->GetMenuItemCount() )
{
menu->AppendSeparator();
}
menu->Append(m_idBase+m_fileHistoryN, _("[EMPTY]"));
node = node->GetNext();
}
m_fileHistoryN ++;
}
// Shuffle filenames down
for (i = (m_fileHistoryN-1); i > 0; i--)
{
m_fileHistory[i] = m_fileHistory[i-1];
}
m_fileHistory[0] = MYcopystring(file);
// this is the directory of the last opened file
wxString pathCurrent;
wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
for (i = 0; i < m_fileHistoryN; i++)
{
if ( m_fileHistory[i] )
{
// if in same directory just show the filename; otherwise the full
// path
wxString pathInMenu, path, filename, ext;
wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
if ( path == pathCurrent )
{
pathInMenu = filename;
if ( !ext.empty() )
pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
}
else
{
// absolute path; could also set relative path
pathInMenu = m_fileHistory[i];
}
// we need to quote '&' characters which are used for mnemonics
pathInMenu.Replace(_T("&"), _T("&&"));
wxString buf;
buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
wxList::compatibility_iterator node = m_fileMenus.GetFirst();
while (node)
{
wxMenu* menu = (wxMenu*) node->GetData();
menu->SetLabel(m_idBase + i, buf);
node = node->GetNext();
}
}
}
}
void wxFileHistory::RemoveFileFromHistory(size_t i)
{
wxCHECK_RET( i < m_fileHistoryN,
wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
// delete the element from the array (could use memmove() too...)
delete [] m_fileHistory[i];
size_t j;
for ( j = i; j < m_fileHistoryN - 1; j++ )
{
m_fileHistory[j] = m_fileHistory[j + 1];
}
wxList::compatibility_iterator node = m_fileMenus.GetFirst();
while ( node )
{
wxMenu* menu = (wxMenu*) node->GetData();
// shuffle filenames up
wxString buf;
for ( j = i; j < m_fileHistoryN - 1; j++ )
{
buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
menu->SetLabel(m_idBase + j, buf);
}
node = node->GetNext();
// delete the last menu item which is unused now
wxWindowID lastItemId = m_idBase + wx_truncate_cast(wxWindowID, m_fileHistoryN) - 1;
if (menu->FindItem(lastItemId))
{
menu->Delete(lastItemId);
}
// delete the last separator too if no more files are left
if ( m_fileHistoryN == 1 )
{
wxMenuItemList::compatibility_iterator nodeLast = menu->GetMenuItems().GetLast();
if ( nodeLast )
{
wxMenuItem *menuItem = nodeLast->GetData();
if ( menuItem->IsSeparator() )
{
menu->Delete(menuItem);
}
//else: should we search backwards for the last separator?
}
//else: menu is empty somehow
}
}
m_fileHistoryN--;
}
wxString wxFileHistory::GetHistoryFile(size_t i) const
{
wxString s;
if ( i < m_fileHistoryN )
{
s = m_fileHistory[i];
}
else
{
wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
}
return s;
}
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(wxT("file%d"), (int)m_fileHistoryN+1);
wxString historyFile;
while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (!historyFile.empty()))
{
m_fileHistory[m_fileHistoryN] = MYcopystring((const wxChar*) historyFile);
m_fileHistoryN ++;
buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
historyFile = wxEmptyString;
}
AddFilesToMenu();
}
void wxFileHistory::Save(wxConfigBase& config)
{
size_t i;
for (i = 0; i < m_fileMaxFiles; i++)
{
wxString buf;
buf.Printf(wxT("file%d"), (int)i+1);
if (i < m_fileHistoryN)
config.Write(buf, wxString(m_fileHistory[i]));
else
config.Write(buf, wxEmptyString);
}
}
#endif // wxUSE_CONFIG
void wxFileHistory::AddFilesToMenu()
{
if (m_fileHistoryN > 0)
{
wxList::compatibility_iterator node = m_fileMenus.GetFirst();
while (node)
{
wxMenu* menu = (wxMenu*) node->GetData();
if (menu->GetMenuItemCount())
{
menu->AppendSeparator();
}
size_t i;
for (i = 0; i < m_fileHistoryN; i++)
{
if (m_fileHistory[i])
{
wxString buf;
buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
menu->Append(m_idBase+i, buf);
}
}
node = node->GetNext();
}
}
}
void wxFileHistory::AddFilesToMenu(wxMenu* menu)
{
if (m_fileHistoryN > 0)
{
if (menu->GetMenuItemCount())
{
menu->AppendSeparator();
}
size_t i;
for (i = 0; i < m_fileHistoryN; i++)
{
if (m_fileHistory[i])
{
wxString buf;
buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
menu->Append(m_idBase+i, buf);
}
}
}
}
// ----------------------------------------------------------------------------
// Permits compatibility with existing file formats and functions that
// manipulate files directly
// ----------------------------------------------------------------------------
#if wxUSE_STD_IOSTREAM
bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
{
wxFFile file(filename, _T("rb"));
if ( !file.IsOpened() )
return false;
char buf[4096];
size_t nRead;
do
{
nRead = file.Read(buf, WXSIZEOF(buf));
if ( file.Error() )
return false;
stream.write(buf, nRead);
if ( !stream )
return false;
}
while ( !file.Eof() );
return true;
}
bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
{
wxFFile file(filename, _T("wb"));
if ( !file.IsOpened() )
return false;
char buf[4096];
do
{
stream.read(buf, WXSIZEOF(buf));
if ( !stream.bad() ) // fail may be set on EOF, don't use operator!()
{
if ( !file.Write(buf, stream.gcount()) )
return false;
}
}
while ( !stream.eof() );
return true;
}
#else // !wxUSE_STD_IOSTREAM
bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
{
wxFFile file(filename, _T("rb"));
if ( !file.IsOpened() )
return false;
char buf[4096];
size_t nRead;
do
{
nRead = file.Read(buf, WXSIZEOF(buf));
if ( file.Error() )
return false;
stream.Write(buf, nRead);
if ( !stream )
return false;
}
while ( !file.Eof() );
return true;
}
bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
{
wxFFile file(filename, _T("wb"));
if ( !file.IsOpened() )
return false;
char buf[4096];
for ( ;; )
{
stream.Read(buf, WXSIZEOF(buf));
const size_t nRead = stream.LastRead();
if ( !nRead )
{
if ( stream.Eof() )
break;
return false;
}
if ( !file.Write(buf, nRead) )
return false;
}
return true;
}
#endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
#endif // wxUSE_DOC_VIEW_ARCHITECTURE
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