9a83f86094
Standardize on using a single macro across all wxWidgets sources and solve the name clash with Sun CC standard headers (see #10660). git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2337 lines
62 KiB
C++
2337 lines
62 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/common/docview.cpp
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// Purpose: Document/view classes
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// Author: Julian Smart
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// Modified by: Vadim Zeitlin
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_DOC_VIEW_ARCHITECTURE
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#include "wx/docview.h"
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#ifndef WX_PRECOMP
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#include "wx/list.h"
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#include "wx/string.h"
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#include "wx/utils.h"
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#include "wx/app.h"
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#include "wx/dc.h"
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#include "wx/dialog.h"
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#include "wx/menu.h"
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#include "wx/filedlg.h"
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#include "wx/intl.h"
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#include "wx/log.h"
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#include "wx/msgdlg.h"
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#include "wx/mdi.h"
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#include "wx/choicdlg.h"
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#endif
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#if wxUSE_PRINTING_ARCHITECTURE
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#include "wx/prntbase.h"
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#include "wx/printdlg.h"
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#endif
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#include "wx/confbase.h"
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#include "wx/filename.h"
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#include "wx/file.h"
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#include "wx/ffile.h"
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#include "wx/cmdproc.h"
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#include "wx/tokenzr.h"
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#include "wx/filename.h"
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#include "wx/stdpaths.h"
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#include "wx/vector.h"
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#include "wx/scopedarray.h"
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#include "wx/scopedptr.h"
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#include "wx/except.h"
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#if wxUSE_STD_IOSTREAM
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#include "wx/ioswrap.h"
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#include "wx/beforestd.h"
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#if wxUSE_IOSTREAMH
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#include <fstream.h>
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#else
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#include <fstream>
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#endif
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#include "wx/afterstd.h"
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#else
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#include "wx/wfstream.h"
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#endif
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typedef wxVector<wxDocTemplate *> wxDocTemplates;
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// ----------------------------------------------------------------------------
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// wxWidgets macros
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// ----------------------------------------------------------------------------
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IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
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IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
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IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
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IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
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IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
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IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
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#if wxUSE_PRINTING_ARCHITECTURE
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IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
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#endif
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IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// private helpers
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// ----------------------------------------------------------------------------
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namespace
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{
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wxString FindExtension(const wxString& path)
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{
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wxString ext;
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wxFileName::SplitPath(path, NULL, NULL, &ext);
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// VZ: extensions are considered not case sensitive - is this really a good
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// idea?
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return ext.MakeLower();
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}
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// return the string used for the MRU list items in the menu
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//
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// NB: the index n is 0-based, as usual, but the strings start from 1
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wxString GetMRUEntryLabel(int n, const wxString& path)
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{
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// we need to quote '&' characters which are used for mnemonics
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wxString pathInMenu(path);
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pathInMenu.Replace("&", "&&");
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return wxString::Format("&%d %s", n + 1, pathInMenu);
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}
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} // anonymous namespace
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// ----------------------------------------------------------------------------
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// Definition of wxDocument
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// ----------------------------------------------------------------------------
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wxDocument::wxDocument(wxDocument *parent)
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{
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m_documentModified = false;
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m_documentParent = parent;
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m_documentTemplate = NULL;
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m_commandProcessor = NULL;
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m_savedYet = false;
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}
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bool wxDocument::DeleteContents()
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{
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return true;
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}
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wxDocument::~wxDocument()
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{
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DeleteContents();
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delete m_commandProcessor;
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if (GetDocumentManager())
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GetDocumentManager()->RemoveDocument(this);
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// Not safe to do here, since it'll invoke virtual view functions
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// expecting to see valid derived objects: and by the time we get here,
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// we've called destructors higher up.
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//DeleteAllViews();
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}
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bool wxDocument::Close()
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{
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if ( !OnSaveModified() )
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return false;
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return OnCloseDocument();
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}
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bool wxDocument::OnCloseDocument()
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{
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// Tell all views that we're about to close
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NotifyClosing();
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DeleteContents();
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Modify(false);
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return true;
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}
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// Note that this implicitly deletes the document when the last view is
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// deleted.
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bool wxDocument::DeleteAllViews()
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{
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wxDocManager* manager = GetDocumentManager();
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// first check if all views agree to be closed
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const wxList::iterator end = m_documentViews.end();
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for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i )
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{
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wxView *view = (wxView *)*i;
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if ( !view->Close() )
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return false;
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}
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// all views agreed to close, now do close them
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if ( m_documentViews.empty() )
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{
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// normally the document would be implicitly deleted when the last view
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// is, but if don't have any views, do it here instead
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if ( manager && manager->GetDocuments().Member(this) )
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delete this;
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}
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else // have views
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{
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// as we delete elements we iterate over, don't use the usual "from
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// begin to end" loop
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for ( ;; )
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{
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wxView *view = (wxView *)*m_documentViews.begin();
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bool isLastOne = m_documentViews.size() == 1;
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// this always deletes the node implicitly and if this is the last
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// view also deletes this object itself (also implicitly, great),
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// so we can't test for m_documentViews.empty() after calling this!
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delete view;
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if ( isLastOne )
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break;
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}
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}
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return true;
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}
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wxView *wxDocument::GetFirstView() const
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{
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if ( m_documentViews.empty() )
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return NULL;
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return static_cast<wxView *>(m_documentViews.GetFirst()->GetData());
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}
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wxDocManager *wxDocument::GetDocumentManager() const
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{
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return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL;
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}
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bool wxDocument::OnNewDocument()
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{
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// notice that there is no need to neither reset nor even check the
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// modified flag here as the document itself is a new object (this is only
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// called from CreateDocument()) and so it shouldn't be saved anyhow even
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// if it is modified -- this could happen if the user code creates
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// documents pre-filled with some user-entered (and which hence must not be
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// lost) information
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SetDocumentSaved(false);
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const wxString name = GetDocumentManager()->MakeNewDocumentName();
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SetTitle(name);
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SetFilename(name, true);
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return true;
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}
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bool wxDocument::Save()
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{
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if ( AlreadySaved() )
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return true;
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if ( m_documentFile.empty() || !m_savedYet )
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return SaveAs();
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return OnSaveDocument(m_documentFile);
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}
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bool wxDocument::SaveAs()
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{
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wxDocTemplate *docTemplate = GetDocumentTemplate();
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if (!docTemplate)
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return false;
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#ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS
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wxString filter = docTemplate->GetDescription() + wxT(" (") +
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docTemplate->GetFileFilter() + wxT(")|") +
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docTemplate->GetFileFilter();
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// Now see if there are some other template with identical view and document
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// classes, whose filters may also be used.
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if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo())
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{
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wxList::compatibility_iterator
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node = docTemplate->GetDocumentManager()->GetTemplates().GetFirst();
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while (node)
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{
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wxDocTemplate *t = (wxDocTemplate*) node->GetData();
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if (t->IsVisible() && t != docTemplate &&
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t->GetViewClassInfo() == docTemplate->GetViewClassInfo() &&
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t->GetDocClassInfo() == docTemplate->GetDocClassInfo())
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{
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// add a '|' to separate this filter from the previous one
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if ( !filter.empty() )
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filter << wxT('|');
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filter << t->GetDescription()
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<< wxT(" (") << t->GetFileFilter() << wxT(") |")
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<< t->GetFileFilter();
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}
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node = node->GetNext();
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}
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}
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#else
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wxString filter = docTemplate->GetFileFilter() ;
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#endif
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wxString defaultDir = docTemplate->GetDirectory();
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if ( defaultDir.empty() )
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{
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defaultDir = wxPathOnly(GetFilename());
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if ( defaultDir.empty() )
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defaultDir = GetDocumentManager()->GetLastDirectory();
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}
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wxString fileName = wxFileSelector(_("Save As"),
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defaultDir,
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wxFileNameFromPath(GetFilename()),
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docTemplate->GetDefaultExtension(),
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filter,
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wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
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GetDocumentWindow());
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if (fileName.empty())
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return false; // cancelled by user
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wxString ext;
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wxFileName::SplitPath(fileName, NULL, NULL, &ext);
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if (ext.empty())
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{
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fileName += wxT(".");
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fileName += docTemplate->GetDefaultExtension();
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}
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// Files that were not saved correctly are not added to the FileHistory.
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if (!OnSaveDocument(fileName))
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return false;
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SetTitle(wxFileNameFromPath(fileName));
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SetFilename(fileName, true); // will call OnChangeFileName automatically
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// A file that doesn't use the default extension of its document template
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// cannot be opened via the FileHistory, so we do not add it.
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if (docTemplate->FileMatchesTemplate(fileName))
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{
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GetDocumentManager()->AddFileToHistory(fileName);
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}
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//else: the user will probably not be able to open the file again, so we
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// could warn about the wrong file-extension here
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return true;
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}
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bool wxDocument::OnSaveDocument(const wxString& file)
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{
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if ( !file )
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return false;
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if ( !DoSaveDocument(file) )
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return false;
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Modify(false);
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SetFilename(file);
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SetDocumentSaved(true);
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#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
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wxFileName fn(file) ;
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fn.MacSetDefaultTypeAndCreator() ;
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#endif
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return true;
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}
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bool wxDocument::OnOpenDocument(const wxString& file)
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{
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// notice that there is no need to check the modified flag here for the
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// reasons explained in OnNewDocument()
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if ( !DoOpenDocument(file) )
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return false;
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SetFilename(file, true);
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// stretching the logic a little this does make sense because the document
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// had been saved into the file we just loaded it from, it just could have
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// happened during a previous program execution, it's just that the name of
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// this method is a bit unfortunate, it should probably have been called
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// HasAssociatedFileName()
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SetDocumentSaved(true);
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UpdateAllViews();
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return true;
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}
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#if wxUSE_STD_IOSTREAM
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wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
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#else
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wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
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#endif
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{
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return stream;
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}
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#if wxUSE_STD_IOSTREAM
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wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
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#else
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wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
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#endif
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{
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return stream;
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}
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bool wxDocument::Revert()
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{
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return false;
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}
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// Get title, or filename if no title, else unnamed
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#if WXWIN_COMPATIBILITY_2_8
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bool wxDocument::GetPrintableName(wxString& buf) const
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{
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// this function can not only be overridden by the user code but also
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// called by it so we need to ensure that we return the same thing as
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// GetUserReadableName() but we can't call it because this would result in
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// an infinite recursion, hence we use the helper DoGetUserReadableName()
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buf = DoGetUserReadableName();
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return true;
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}
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#endif // WXWIN_COMPATIBILITY_2_8
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wxString wxDocument::GetUserReadableName() const
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{
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#if WXWIN_COMPATIBILITY_2_8
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// we need to call the old virtual function to ensure that the overridden
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// version of it is still called
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wxString name;
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if ( GetPrintableName(name) )
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return name;
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#endif // WXWIN_COMPATIBILITY_2_8
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return DoGetUserReadableName();
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}
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wxString wxDocument::DoGetUserReadableName() const
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{
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if ( !m_documentTitle.empty() )
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return m_documentTitle;
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if ( !m_documentFile.empty() )
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return wxFileNameFromPath(m_documentFile);
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return _("unnamed");
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}
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wxWindow *wxDocument::GetDocumentWindow() const
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{
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wxView * const view = GetFirstView();
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return view ? view->GetFrame() : wxTheApp->GetTopWindow();
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}
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wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
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{
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return new wxCommandProcessor;
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}
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// true if safe to close
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bool wxDocument::OnSaveModified()
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{
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if ( IsModified() )
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{
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switch ( wxMessageBox
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(
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wxString::Format
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(
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_("Do you want to save changes to %s?"),
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GetUserReadableName()
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),
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wxTheApp->GetAppDisplayName(),
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wxYES_NO | wxCANCEL | wxICON_QUESTION | wxCENTRE
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) )
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{
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case wxNO:
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Modify(false);
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break;
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case wxYES:
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return Save();
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case wxCANCEL:
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return false;
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}
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}
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return true;
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}
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bool wxDocument::Draw(wxDC& WXUNUSED(context))
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{
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return true;
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}
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bool wxDocument::AddView(wxView *view)
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{
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if ( !m_documentViews.Member(view) )
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{
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m_documentViews.Append(view);
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OnChangedViewList();
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}
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return true;
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}
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bool wxDocument::RemoveView(wxView *view)
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{
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(void)m_documentViews.DeleteObject(view);
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OnChangedViewList();
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return true;
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}
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bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
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{
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return GetDocumentTemplate()->CreateView(this, flags) != NULL;
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}
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// Called after a view is added or removed.
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// The default implementation deletes the document if
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// there are no more views.
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void wxDocument::OnChangedViewList()
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{
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if ( m_documentViews.empty() && OnSaveModified() )
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delete this;
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}
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void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
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{
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wxList::compatibility_iterator node = m_documentViews.GetFirst();
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while (node)
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{
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wxView *view = (wxView *)node->GetData();
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if (view != sender)
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view->OnUpdate(sender, hint);
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node = node->GetNext();
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}
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}
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void wxDocument::NotifyClosing()
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{
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wxList::compatibility_iterator node = m_documentViews.GetFirst();
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while (node)
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{
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wxView *view = (wxView *)node->GetData();
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view->OnClosingDocument();
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node = node->GetNext();
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}
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}
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void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
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{
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m_documentFile = filename;
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OnChangeFilename(notifyViews);
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}
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void wxDocument::OnChangeFilename(bool notifyViews)
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{
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if ( notifyViews )
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{
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// Notify the views that the filename has changed
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wxList::compatibility_iterator node = m_documentViews.GetFirst();
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while (node)
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{
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wxView *view = (wxView *)node->GetData();
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view->OnChangeFilename();
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node = node->GetNext();
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}
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}
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}
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bool wxDocument::DoSaveDocument(const wxString& file)
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{
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#if wxUSE_STD_IOSTREAM
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wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
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if ( !store )
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#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()
|
|
{
|
|
m_viewDocument = NULL;
|
|
|
|
m_viewFrame = NULL;
|
|
|
|
m_docChildFrame = NULL;
|
|
}
|
|
|
|
wxView::~wxView()
|
|
{
|
|
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;
|
|
}
|
|
|
|
bool wxView::TryBefore(wxEvent& event)
|
|
{
|
|
wxDocument * const doc = GetDocument();
|
|
return doc && doc->ProcessEventHere(event);
|
|
}
|
|
|
|
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;
|
|
|
|
win->SetLabel(doc->GetUserReadableName());
|
|
}
|
|
|
|
void wxView::SetDocument(wxDocument *doc)
|
|
{
|
|
m_viewDocument = doc;
|
|
if (doc)
|
|
doc->AddView(this);
|
|
}
|
|
|
|
bool wxView::Close(bool deleteWindow)
|
|
{
|
|
return OnClose(deleteWindow);
|
|
}
|
|
|
|
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)
|
|
{
|
|
// 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 true;
|
|
|
|
if (GetDocumentManager()->GetDocuments().Member(doc))
|
|
doc->DeleteAllViews();
|
|
return false;
|
|
}
|
|
|
|
wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
|
|
{
|
|
wxScopedPtr<wxView> view(DoCreateView());
|
|
if ( !view )
|
|
return NULL;
|
|
|
|
view->SetDocument(doc);
|
|
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)
|
|
|
|
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::OnUpdateDisableIfNoDoc)
|
|
EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
|
|
EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
|
|
EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateDisableIfNoDoc)
|
|
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::OnUpdateDisableIfNoDoc)
|
|
EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc)
|
|
#endif
|
|
END_EVENT_TABLE()
|
|
|
|
wxDocManager* wxDocManager::sm_docManager = NULL;
|
|
|
|
wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize)
|
|
{
|
|
wxASSERT_MSG( !sm_docManager, "multiple wxDocManagers not allowed" );
|
|
|
|
sm_docManager = this;
|
|
|
|
m_defaultDocumentNameCounter = 1;
|
|
m_currentView = NULL;
|
|
m_maxDocsOpen = INT_MAX;
|
|
m_fileHistory = NULL;
|
|
if ( initialize )
|
|
Initialize();
|
|
}
|
|
|
|
wxDocManager::~wxDocManager()
|
|
{
|
|
Clear();
|
|
delete m_fileHistory;
|
|
sm_docManager = NULL;
|
|
}
|
|
|
|
// closes the specified document
|
|
bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
|
|
{
|
|
if ( !doc->Close() && !force )
|
|
return false;
|
|
|
|
// 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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
wxString wxDocManager::GetLastDirectory() const
|
|
{
|
|
// 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
|
|
wxString lastOpened = GetHistoryFile(0);
|
|
if ( !lastOpened.empty() )
|
|
{
|
|
const wxFileName fn(lastOpened);
|
|
if ( fn.DirExists() )
|
|
{
|
|
self->m_lastDirectory = fn.GetPath();
|
|
}
|
|
//else: should we try the next one?
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
|
|
void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
CloseDocuments(false);
|
|
}
|
|
|
|
void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
CreateNewDocument();
|
|
}
|
|
|
|
void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
if ( !CreateDocument("") )
|
|
{
|
|
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 = GetActiveView();
|
|
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 = GetActiveView();
|
|
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;
|
|
wxLogError(_("Print preview creation failed."));
|
|
return;
|
|
}
|
|
|
|
wxPreviewFrame *
|
|
frame = new wxPreviewFrame(preview, wxTheApp->GetTopWindow(),
|
|
_("Print Preview"));
|
|
frame->Centre(wxBOTH);
|
|
frame->Initialize();
|
|
frame->Show(true);
|
|
}
|
|
#endif // wxUSE_PRINTING_ARCHITECTURE
|
|
}
|
|
|
|
void wxDocManager::OnUndo(wxCommandEvent& event)
|
|
{
|
|
wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
|
|
if ( !cmdproc )
|
|
{
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
cmdproc->Undo();
|
|
}
|
|
|
|
void wxDocManager::OnRedo(wxCommandEvent& event)
|
|
{
|
|
wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
|
|
if ( !cmdproc )
|
|
{
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
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 );
|
|
}
|
|
|
|
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->AlreadySaved() );
|
|
}
|
|
|
|
void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
|
|
{
|
|
wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
|
|
if ( !cmdproc )
|
|
{
|
|
event.Enable(false);
|
|
return;
|
|
}
|
|
|
|
event.Enable(cmdproc->CanUndo());
|
|
cmdproc->SetMenuStrings();
|
|
}
|
|
|
|
void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
|
|
{
|
|
wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
|
|
if ( !cmdproc )
|
|
{
|
|
event.Enable(false);
|
|
return;
|
|
}
|
|
|
|
event.Enable(cmdproc->CanRedo());
|
|
cmdproc->SetMenuStrings();
|
|
}
|
|
|
|
wxView *wxDocManager::GetActiveView() const
|
|
{
|
|
wxView *view = GetCurrentView();
|
|
|
|
if ( !view && !m_docs.empty() )
|
|
{
|
|
// 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() )
|
|
{
|
|
wxDocument *doc = static_cast<wxDocument *>(node->GetData());
|
|
view = doc->GetFirstView();
|
|
}
|
|
//else: we have more than one document
|
|
}
|
|
|
|
return view;
|
|
}
|
|
|
|
bool wxDocManager::TryBefore(wxEvent& event)
|
|
{
|
|
wxView * const view = GetActiveView();
|
|
return view && view->ProcessEventHere(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
|
|
|
|
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 )
|
|
{
|
|
// no templates can be used, can't create document
|
|
return NULL;
|
|
}
|
|
|
|
|
|
// 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 )
|
|
{
|
|
wxASSERT_MSG( !path.empty(),
|
|
"using empty path with wxDOC_SILENT doesn't make sense" );
|
|
|
|
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
|
|
temp = SelectDocumentPath(&templates[0], numTemplates, path, flags);
|
|
}
|
|
|
|
if ( !temp )
|
|
return NULL;
|
|
|
|
// check whether the document with this path is already opened
|
|
if ( !path.empty() )
|
|
{
|
|
const wxFileName fn(path);
|
|
for ( wxList::const_iterator i = m_docs.begin(); i != m_docs.end(); ++i )
|
|
{
|
|
wxDocument * const doc = (wxDocument*)*i;
|
|
|
|
if ( fn == doc->GetFilename() )
|
|
{
|
|
// file already open, just activate it and return
|
|
if ( doc->GetFirstView() )
|
|
{
|
|
ActivateView(doc->GetFirstView());
|
|
if ( doc->GetDocumentWindow() )
|
|
doc->GetDocumentWindow()->SetFocus();
|
|
return doc;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// no, we need to create a new document
|
|
|
|
|
|
// 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()) )
|
|
{
|
|
// can't open the new document if closing the old one failed
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
// do create and initialize the new document finally
|
|
wxDocument * const docNew = temp->CreateDocument(path, flags);
|
|
if ( !docNew )
|
|
return NULL;
|
|
|
|
docNew->SetDocumentName(temp->GetDocumentName());
|
|
docNew->SetDocumentTemplate(temp);
|
|
|
|
wxTRY
|
|
{
|
|
// 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)) )
|
|
{
|
|
docNew->DeleteAllViews();
|
|
return 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);
|
|
|
|
return docNew;
|
|
}
|
|
|
|
wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
|
|
{
|
|
wxDocTemplates templates(GetVisibleTemplates(m_templates));
|
|
const size_t numTemplates = templates.size();
|
|
|
|
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))
|
|
{
|
|
}
|
|
|
|
// Not yet implemented
|
|
bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
wxDocument *wxDocManager::GetCurrentDocument() const
|
|
{
|
|
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
|
|
|
|
wxString wxDocManager::MakeNewDocumentName()
|
|
{
|
|
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;
|
|
}
|
|
|
|
// 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 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(const 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 = 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;
|
|
}
|
|
|
|
// 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,
|
|
int noTemplates,
|
|
wxString& path,
|
|
long WXUNUSED(flags),
|
|
bool WXUNUSED(save))
|
|
{
|
|
#ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS
|
|
wxString descrBuf;
|
|
|
|
for (int 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("*.*");
|
|
wxUnusedVar(noTemplates);
|
|
#endif
|
|
|
|
int FilterIndex = -1;
|
|
|
|
wxString pathTmp = wxFileSelectorEx(_("Open File"),
|
|
GetLastDirectory(),
|
|
wxEmptyString,
|
|
&FilterIndex,
|
|
descrBuf);
|
|
|
|
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;
|
|
|
|
// 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.clear();
|
|
}
|
|
|
|
return theTemplate;
|
|
}
|
|
|
|
wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
|
|
int noTemplates, bool sort)
|
|
{
|
|
wxArrayString strings;
|
|
wxScopedArray<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 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()
|
|
);
|
|
}
|
|
|
|
return theTemplate;
|
|
}
|
|
|
|
wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
|
|
int noTemplates, bool sort)
|
|
{
|
|
wxArrayString strings;
|
|
wxScopedArray<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 = NULL;
|
|
break;
|
|
|
|
case 1:
|
|
theTemplate = data[0];
|
|
break;
|
|
|
|
default:
|
|
theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
|
|
(
|
|
_("Select a document view"),
|
|
_("Views"),
|
|
strings,
|
|
(void **)data.get()
|
|
);
|
|
|
|
}
|
|
|
|
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 = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxDocChildFrameAnyBase
|
|
// ----------------------------------------------------------------------------
|
|
|
|
bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event)
|
|
{
|
|
if ( m_childView )
|
|
{
|
|
if ( event.CanVeto() && !m_childView->Close(false) )
|
|
{
|
|
event.Veto();
|
|
return false;
|
|
}
|
|
|
|
m_childView->Activate(false);
|
|
|
|
// 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);
|
|
delete m_childView;
|
|
m_childView = NULL;
|
|
}
|
|
|
|
m_childDocument = NULL;
|
|
|
|
return true;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// 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() )
|
|
return;
|
|
|
|
wxString errMsg; // must contain exactly one "%s" if non-empty
|
|
if ( wxFile::Exists(filename) )
|
|
{
|
|
// try to open it
|
|
if ( m_docManager->CreateDocument(filename, wxDOC_SILENT) )
|
|
return;
|
|
|
|
errMsg = _("The file '%s' couldn't be opened.");
|
|
}
|
|
else // file doesn't exist
|
|
{
|
|
errMsg = _("The file '%s' doesn't exist and couldn't be opened.");
|
|
}
|
|
|
|
|
|
wxASSERT_MSG( !errMsg.empty(), "should have an error message" );
|
|
|
|
// remove the file which we can't open from the MRU list
|
|
m_docManager->RemoveFileFromHistory(n);
|
|
|
|
// and tell the user about it
|
|
wxLogError(errMsg + '\n' +
|
|
_("It has been removed from the most recently used files list."),
|
|
filename);
|
|
}
|
|
|
|
// Extend event processing to search the view's event table
|
|
bool wxDocParentFrame::TryBefore(wxEvent& event)
|
|
{
|
|
if ( m_docManager && m_docManager->ProcessEventHere(event) )
|
|
return true;
|
|
|
|
return wxFrame::TryBefore(event);
|
|
}
|
|
|
|
// 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()))
|
|
{
|
|
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 (a.k.a. MRU, most recently used, files list)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
|
|
{
|
|
m_fileMaxFiles = maxFiles;
|
|
m_idBase = idBase;
|
|
}
|
|
|
|
void wxFileHistory::AddFileToHistory(const wxString& file)
|
|
{
|
|
// check if we don't already have this file
|
|
const wxFileName fnNew(file);
|
|
size_t i,
|
|
numFiles = m_fileHistory.size();
|
|
for ( i = 0; i < numFiles; i++ )
|
|
{
|
|
if ( fnNew == m_fileHistory[i] )
|
|
{
|
|
// we do have it, move it to the top of the history
|
|
RemoveFileFromHistory(i);
|
|
numFiles--;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// if we already have a full history, delete the one at the end
|
|
if ( numFiles == m_fileMaxFiles )
|
|
{
|
|
RemoveFileFromHistory(--numFiles);
|
|
}
|
|
|
|
// add a new menu item to all file menus (they will be updated below)
|
|
for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
|
|
node;
|
|
node = node->GetNext() )
|
|
{
|
|
wxMenu * const menu = (wxMenu *)node->GetData();
|
|
|
|
if ( !numFiles && menu->GetMenuItemCount() )
|
|
menu->AppendSeparator();
|
|
|
|
// label doesn't matter, it will be set below anyhow, but it can't
|
|
// be empty (this is supposed to indicate a stock item)
|
|
menu->Append(m_idBase + numFiles, " ");
|
|
}
|
|
|
|
// insert the new file in the beginning of the file history
|
|
m_fileHistory.insert(m_fileHistory.begin(), file);
|
|
numFiles++;
|
|
|
|
// update the labels in all menus
|
|
for ( i = 0; i < numFiles; i++ )
|
|
{
|
|
// if in same directory just show the filename; otherwise the full path
|
|
const wxFileName fnOld(m_fileHistory[i]);
|
|
|
|
wxString pathInMenu;
|
|
if ( fnOld.GetPath() == fnNew.GetPath() )
|
|
{
|
|
pathInMenu = fnOld.GetFullName();
|
|
}
|
|
else // file in different directory
|
|
{
|
|
// absolute path; could also set relative path
|
|
pathInMenu = m_fileHistory[i];
|
|
}
|
|
|
|
for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
|
|
node;
|
|
node = node->GetNext() )
|
|
{
|
|
wxMenu * const menu = (wxMenu *)node->GetData();
|
|
|
|
menu->SetLabel(m_idBase + i, GetMRUEntryLabel(i, pathInMenu));
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxFileHistory::RemoveFileFromHistory(size_t i)
|
|
{
|
|
size_t numFiles = m_fileHistory.size();
|
|
wxCHECK_RET( i < numFiles,
|
|
wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
|
|
|
|
// delete the element from the array
|
|
m_fileHistory.RemoveAt(i);
|
|
numFiles--;
|
|
|
|
for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
|
|
node;
|
|
node = node->GetNext() )
|
|
{
|
|
wxMenu * const menu = (wxMenu *) node->GetData();
|
|
|
|
// shift filenames up
|
|
for ( size_t j = i; j < numFiles; j++ )
|
|
{
|
|
menu->SetLabel(m_idBase + j, GetMRUEntryLabel(j, m_fileHistory[j]));
|
|
}
|
|
|
|
// delete the last menu item which is unused now
|
|
const wxWindowID lastItemId = m_idBase + numFiles;
|
|
if ( menu->FindItem(lastItemId) )
|
|
menu->Delete(lastItemId);
|
|
|
|
// delete the last separator too if no more files are left
|
|
if ( m_fileHistory.empty() )
|
|
{
|
|
const wxMenuItemList::compatibility_iterator
|
|
nodeLast = menu->GetMenuItems().GetLast();
|
|
if ( nodeLast )
|
|
{
|
|
wxMenuItem * const lastMenuItem = nodeLast->GetData();
|
|
if ( lastMenuItem->IsSeparator() )
|
|
menu->Delete(lastMenuItem);
|
|
}
|
|
//else: menu is empty somehow
|
|
}
|
|
}
|
|
}
|
|
|
|
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(const wxConfigBase& config)
|
|
{
|
|
m_fileHistory.Clear();
|
|
|
|
wxString buf;
|
|
buf.Printf(wxT("file%d"), 1);
|
|
|
|
wxString historyFile;
|
|
while ((m_fileHistory.GetCount() < m_fileMaxFiles) &&
|
|
config.Read(buf, &historyFile) && !historyFile.empty())
|
|
{
|
|
m_fileHistory.Add(historyFile);
|
|
|
|
buf.Printf(wxT("file%d"), (int)m_fileHistory.GetCount()+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_fileHistory.GetCount())
|
|
config.Write(buf, wxString(m_fileHistory[i]));
|
|
else
|
|
config.Write(buf, wxEmptyString);
|
|
}
|
|
}
|
|
#endif // wxUSE_CONFIG
|
|
|
|
void wxFileHistory::AddFilesToMenu()
|
|
{
|
|
if ( m_fileHistory.empty() )
|
|
return;
|
|
|
|
for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
|
|
node;
|
|
node = node->GetNext() )
|
|
{
|
|
AddFilesToMenu((wxMenu *) node->GetData());
|
|
}
|
|
}
|
|
|
|
void wxFileHistory::AddFilesToMenu(wxMenu* menu)
|
|
{
|
|
if ( m_fileHistory.empty() )
|
|
return;
|
|
|
|
if ( menu->GetMenuItemCount() )
|
|
menu->AppendSeparator();
|
|
|
|
for ( size_t i = 0; i < m_fileHistory.GetCount(); i++ )
|
|
{
|
|
menu->Append(m_idBase + i, GetMRUEntryLabel(i, m_fileHistory[i]));
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// 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, wxT("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, wxT("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, wxT("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, wxT("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
|