// Name: src/common/docview.cpp
// Purpose: Document/view classes
// Author: Julian Smart
-// Modified by:
+// Modified by: Vadim Zeitlin
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
#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/filename.h"
#include "wx/file.h"
+#include "wx/ffile.h"
#include "wx/cmdproc.h"
#include "wx/tokenzr.h"
#include "wx/filename.h"
-
-#include <stdio.h>
-#include <string.h>
+#include "wx/vector.h"
+#include "wx/ptr_scpd.h"
#if wxUSE_STD_IOSTREAM
#include "wx/ioswrap.h"
#include "wx/wfstream.h"
#endif
+typedef wxVector<wxDocTemplate *> wxDocTemplates;
+
// ----------------------------------------------------------------------------
// wxWidgets macros
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
-// ----------------------------------------------------------------------------
-// function prototypes
-// ----------------------------------------------------------------------------
-
-static wxWindow* wxFindSuitableParent(void);
-
-// ----------------------------------------------------------------------------
-// local constants
-// ----------------------------------------------------------------------------
-
-static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
-
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
-// local functions
+// private helpers
// ----------------------------------------------------------------------------
-static wxString FindExtension(const wxString& path)
+namespace
+{
+
+wxWindow *wxFindSuitableParent()
+{
+ wxWindow * const win = wxGetTopLevelParent(wxWindow::FindFocus());
+
+ return win ? win : wxTheApp->GetTopWindow();
+}
+
+wxString FindExtension(const wxString& path)
{
wxString ext;
- wxSplitPath(path, NULL, NULL, &ext);
+ wxFileName::SplitPath(path, NULL, NULL, &ext);
// VZ: extensions are considered not case sensitive - is this really a good
// idea?
return ext.MakeLower();
}
+// return the string used for the MRU list items in the menu
+//
+// NB: the index n is 0-based, as usual, but the strings start from 1
+wxString GetMRUEntryLabel(int n, const wxString& path)
+{
+ // we need to quote '&' characters which are used for mnemonics
+ wxString pathInMenu(path);
+ pathInMenu.Replace("&", "&&");
+
+ return wxString::Format("&%d %s", n + 1, pathInMenu);
+}
+
+} // anonymous namespace
+
// ----------------------------------------------------------------------------
// Definition of wxDocument
// ----------------------------------------------------------------------------
{
m_documentModified = false;
m_documentParent = parent;
- m_documentTemplate = (wxDocTemplate *) NULL;
- m_commandProcessor = (wxCommandProcessor*) NULL;
+ m_documentTemplate = NULL;
+ m_commandProcessor = NULL;
m_savedYet = false;
}
wxView *wxDocument::GetFirstView() const
{
if (m_documentViews.GetCount() == 0)
- return (wxView *) NULL;
+ return NULL;
return (wxView *)m_documentViews.GetFirst()->GetData();
}
wxDocManager *wxDocument::GetDocumentManager() const
{
- return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
+ return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL;
}
bool wxDocument::OnNewDocument()
{
- if (!OnSaveModified())
+ if ( !OnSaveModified() )
return false;
- if (OnCloseDocument()==false) return false;
DeleteContents();
Modify(false);
SetDocumentSaved(false);
bool wxDocument::Save()
{
- if (!IsModified() && m_savedYet)
+ if ( AlreadySaved() )
return true;
if ( m_documentFile.empty() || !m_savedYet )
#else
wxString filter = docTemplate->GetFileFilter() ;
#endif
- wxString tmp = wxFileSelector(_("Save as"),
- docTemplate->GetDirectory(),
+ wxString defaultDir = docTemplate->GetDirectory();
+ if (defaultDir.IsEmpty())
+ defaultDir = wxPathOnly(GetFilename());
+
+ wxString fileName = wxFileSelector(_("Save As"),
+ defaultDir,
wxFileNameFromPath(GetFilename()),
docTemplate->GetDefaultExtension(),
filter,
wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
GetDocumentWindow());
- if (tmp.empty())
+ if (fileName.empty())
return false;
- wxString fileName(tmp);
- wxString path, name, ext;
- wxSplitPath(fileName, & path, & name, & ext);
+ wxString ext;
+ wxFileName::SplitPath(fileName, NULL, NULL, &ext);
if (ext.empty())
{
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))
+ if (!OnSaveDocument(fileName))
return false;
+ SetTitle(wxFileNameFromPath(fileName));
+ SetFilename(fileName, true); // will call OnChangeFileName automatically
+
// A file that doesn't use the default extension of its document template cannot be opened
// via the FileHistory, so we do not add it.
if (docTemplate->FileMatchesTemplate(fileName))
Modify(false);
SetFilename(file);
SetDocumentSaved(true);
-#ifdef __WXMAC__
+#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
wxFileName fn(file) ;
fn.MacSetDefaultTypeAndCreator() ;
#endif
bool wxDocument::OnOpenDocument(const wxString& file)
{
- if (!OnSaveModified())
+ if ( !OnSaveModified() )
return false;
if ( !DoOpenDocument(file) )
// true if safe to close
bool wxDocument::OnSaveModified()
{
- if (IsModified())
- {
- wxString title = GetUserReadableName();
-
- wxString msgTitle;
- if (!wxTheApp->GetAppDisplayName().empty())
- msgTitle = wxTheApp->GetAppDisplayName();
- else
- msgTitle = wxString(_("Warning"));
-
- wxString prompt;
- prompt.Printf(_("Do you want to save changes to document %s?"), title);
- int res = wxMessageBox(prompt, msgTitle,
- wxYES_NO|wxCANCEL|wxICON_QUESTION,
- GetDocumentWindow());
- if (res == wxNO)
+ if ( IsModified() )
+ {
+ switch ( wxMessageBox
+ (
+ wxString::Format
+ (
+ _("Do you want to save changes to document %s?"),
+ GetUserReadableName()
+ ),
+ wxTheApp->GetAppDisplayName(),
+ wxYES_NO | wxCANCEL | wxICON_QUESTION | wxCENTRE,
+ wxFindSuitableParent()
+ ) )
{
- Modify(false);
- return true;
+ case wxNO:
+ Modify(false);
+ break;
+
+ case wxYES:
+ return Save();
+
+ case wxCANCEL:
+ return false;
}
- else if (res == wxYES)
- return Save();
- else if (res == wxCANCEL)
- return false;
}
+
return true;
}
bool wxDocument::AddView(wxView *view)
{
- if (!m_documentViews.Member(view))
+ if ( !m_documentViews.Member(view) )
{
m_documentViews.Append(view);
OnChangedViewList();
bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags)
{
- if (GetDocumentTemplate()->CreateView(this, flags))
- return true;
- else
- return false;
+ return GetDocumentTemplate()->CreateView(this, flags) != NULL;
}
// Called after a view is added or removed.
// there are no more views.
void wxDocument::OnChangedViewList()
{
- if (m_documentViews.GetCount() == 0)
- {
- if (OnSaveModified())
- {
- delete this;
- }
- }
+ if ( m_documentViews.empty() && OnSaveModified() )
+ delete this;
}
void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
{
m_documentFile = filename;
+ OnChangeFilename(notifyViews);
+}
+
+void wxDocument::OnChangeFilename(bool notifyViews)
+{
if ( notifyViews )
{
// Notify the views that the filename has changed
bool wxDocument::DoSaveDocument(const wxString& file)
{
- wxString msgTitle;
- if (!wxTheApp->GetAppDisplayName().empty())
- msgTitle = wxTheApp->GetAppDisplayName();
- else
- msgTitle = wxString(_("File error"));
-
#if wxUSE_STD_IOSTREAM
wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
- if (store.fail() || store.bad())
+ if ( !store )
#else
wxFileOutputStream store(file);
- if (store.GetLastError() != wxSTREAM_NO_ERROR)
+ if ( store.GetLastError() != wxSTREAM_NO_ERROR )
#endif
{
- (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
- GetDocumentWindow());
- // Saving error
+ wxLogError(_("File \"%s\" could not be opened for writing."), file);
return false;
}
+
if (!SaveObject(store))
{
- (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
- GetDocumentWindow());
- // Saving error
+ wxLogError(_("Failed to save document to the file \"%s\"."), file);
return false;
}
{
#if wxUSE_STD_IOSTREAM
wxSTD ifstream store(file.mb_str(), wxSTD ios::binary);
- if (!store.fail() && !store.bad())
+ if ( !store )
#else
wxFileInputStream store(file);
- if (store.GetLastError() == wxSTREAM_NO_ERROR)
+ 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 || store.eof() )
+ LoadObject(store);
+ if ( !store )
#else
- int res = LoadObject(store).GetLastError();
- if ( res == wxSTREAM_NO_ERROR || res == wxSTREAM_EOF )
+ int res = LoadObject(store).GetLastError();
+ if ( res != wxSTREAM_NO_ERROR && res != wxSTREAM_EOF )
#endif
- return true;
+ {
+ wxLogError(_("Failed to read document from the file \"%s\"."), file);
+ return false;
}
- wxLogError(_("Sorry, could not open this file."));
- return false;
+ return true;
}
wxView::wxView()
{
- m_viewDocument = (wxDocument*) NULL;
+ m_viewDocument = NULL;
- m_viewFrame = (wxFrame *) NULL;
+ m_viewFrame = NULL;
}
wxView::~wxView()
m_viewDocument->RemoveView(this);
}
-// Extend event processing to search the document's event table
-bool wxView::ProcessEvent(wxEvent& event)
+bool wxView::TryValidator(wxEvent& event)
{
- if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
- return wxEvtHandler::ProcessEvent(event);
-
- return true;
+ wxDocument * const doc = GetDocument();
+ return doc && doc->ProcessEventHere(event);
}
void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView))
bool wxView::Close(bool deleteWindow)
{
- if (OnClose(deleteWindow))
- return true;
- else
- return false;
+ return OnClose(deleteWindow);
}
void wxView::Activate(bool activate)
// 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;
+ wxDocument * const doc = DoCreateDocument();
- if (InitDocument(doc, path, flags))
- {
- return doc;
- }
- else
- {
- return (wxDocument *) NULL;
- }
+ // VZ: this code doesn't delete doc if InitDocument() (i.e. doc->OnCreate())
+ // fails, is this intentional?
+
+ return doc && InitDocument(doc, path, flags) ? doc : NULL;
}
-bool wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
+bool
+wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
{
doc->SetFilename(path);
doc->SetDocumentTemplate(this);
wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
{
- wxView *view = DoCreateView();
- if ( view == NULL )
- return (wxView *) NULL;
+ wxScopedPtr<wxView> view(DoCreateView());
+ if ( !view )
+ return NULL;
view->SetDocument(doc);
- if (view->OnCreate(doc, flags))
- {
- return view;
- }
- else
- {
- delete view;
- return (wxView *) NULL;
- }
+ if ( !view->OnCreate(doc, flags) )
+ return NULL;
+
+ return view.release();
}
// The default (very primitive) format detection: check is the extension is
wxDocument *wxDocTemplate::DoCreateDocument()
{
if (!m_docClassInfo)
- return (wxDocument *) NULL;
+ return NULL;
return (wxDocument *)m_docClassInfo->CreateObject();
}
wxView *wxDocTemplate::DoCreateView()
{
if (!m_viewClassInfo)
- return (wxView *) NULL;
+ return NULL;
return (wxView *)m_viewClassInfo->CreateObject();
}
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_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::OnUpdateFileSaveAs)
+ EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateDisableIfNoDoc)
EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
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)
+ EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdateDisableIfNoDoc)
+ EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc)
#endif
END_EVENT_TABLE()
-wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
+wxDocManager* wxDocManager::sm_docManager = NULL;
-wxDocManager::wxDocManager(long flags, bool initialize)
+wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize)
{
+ wxASSERT_MSG( !sm_docManager, "multiple wxDocManagers not allowed" );
+
+ sm_docManager = this;
+
m_defaultDocumentNameCounter = 1;
- m_flags = flags;
- m_currentView = (wxView *) NULL;
- m_maxDocsOpen = 10000;
- m_fileHistory = (wxFileHistory *) NULL;
- if (initialize)
+ m_currentView = NULL;
+ m_maxDocsOpen = INT_MAX;
+ m_fileHistory = NULL;
+ if ( initialize )
Initialize();
- sm_docManager = this;
}
wxDocManager::~wxDocManager()
{
Clear();
- if (m_fileHistory)
- delete m_fileHistory;
- sm_docManager = (wxDocManager*) NULL;
+ delete m_fileHistory;
+ sm_docManager = NULL;
}
// closes the specified document
void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
{
- CreateDocument( wxEmptyString, wxDOC_NEW );
+ CreateNewDocument();
}
void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
{
- event.Enable( true );
+ // CreateDocument() (which is called from OnFileOpen) may succeed
+ // only when there is at least a template:
+ event.Enable( GetTemplates().GetCount()>0 );
}
-void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
+void wxDocManager::OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- event.Enable( (doc != (wxDocument*) NULL) );
-}
-
-void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
-{
- wxDocument *doc = GetCurrentDocument();
- event.Enable( (doc != (wxDocument*) NULL) );
+ event.Enable( GetCurrentDocument() != NULL );
}
void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
{
- event.Enable( true );
+ // 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 *doc = GetCurrentDocument();
- event.Enable( doc && doc->IsModified() );
-}
-
-void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
-{
- wxDocument *doc = GetCurrentDocument();
- event.Enable( (doc != (wxDocument*) NULL) );
+ wxDocument * const doc = GetCurrentDocument();
+ event.Enable( doc && !doc->AlreadySaved() );
}
void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
}
}
-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)
wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
return doc->GetFirstView();
}
- return (wxView *) NULL;
+ return NULL;
}
-// Extend event processing to search the view's event table
-bool wxDocManager::ProcessEvent(wxEvent& event)
+bool wxDocManager::TryValidator(wxEvent& event)
{
- wxView* view = GetCurrentView();
- if (view)
- {
- if (view->ProcessEvent(event))
- return true;
- }
- return wxEvtHandler::ProcessEvent(event);
+ wxView * const view = GetCurrentView();
+ return view && view->ProcessEventHere(event);
}
-wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
+namespace
{
- wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
- int n = 0;
- for (size_t i = 0; i < m_templates.GetCount(); i++)
+// 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 )
{
- wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
- if (temp->IsVisible())
+ templates.reserve(totalNumTemplates);
+
+ for ( wxList::const_iterator i = allTemplates.begin(),
+ end = allTemplates.end();
+ i != end;
+ ++i )
{
- templates[n] = temp;
- n ++;
+ wxDocTemplate * const temp = (wxDocTemplate *)*i;
+ if ( temp->IsVisible() )
+ templates.push_back(temp);
}
}
- if (n == 0)
- {
- delete[] templates;
- return (wxDocument *) NULL;
- }
- wxDocument* docToClose = NULL;
+ return templates;
+}
- // If we've reached the max number of docs, close the
- // first one.
- if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
+} // 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 )
{
- wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData();
- docToClose = doc;
+ // no templates can be used, can't create document
+ return NULL;
}
- // 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);
+ // 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" );
- if (newDoc)
- {
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- if (!newDoc->OnNewDocument() )
- {
- // Document is implicitly deleted by DeleteAllViews
- newDoc->DeleteAllViews();
- return NULL;
- }
- }
- return newDoc;
+ 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);
+ }
- wxDocTemplate *temp = SelectDocumentType(templates, n);
- delete[] templates;
- if (temp)
- {
- if (docToClose)
- {
- if (!CloseDocument(docToClose, false))
- {
- return NULL;
- }
- }
+ if ( !temp )
+ return NULL;
- wxDocument *newDoc = temp->CreateDocument(path, flags);
+ // 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 (newDoc)
+ if ( fn == doc->GetFilename() )
{
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- if (!newDoc->OnNewDocument() )
+ // file already open, just activate it and return
+ if ( doc->GetFirstView() )
{
- // Document is implicitly deleted by DeleteAllViews
- newDoc->DeleteAllViews();
- return NULL;
+ ActivateView(doc->GetFirstView());
+ if ( doc->GetDocumentWindow() )
+ doc->GetDocumentWindow()->SetFocus();
+ return doc;
}
}
- return newDoc;
}
- else
- return (wxDocument *) NULL;
}
- // Existing document
- wxDocTemplate *temp;
- wxString path2 = path;
+ // no, we need to create a new document
+
- if (flags & wxDOC_SILENT)
+ // if we've reached the max number of docs, close the first one.
+ if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
{
- temp = FindTemplateForPath(path2);
- if (!temp)
+ if ( !CloseDocument((wxDocument *)GetDocuments().GetFirst()->GetData()) )
{
- // 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());
+ // can't open the new document if closing the old one failed
+ return NULL;
}
}
- else
- temp = SelectDocumentPath(templates, n, path2, flags);
- delete[] templates;
- if (temp)
- {
- if (docToClose)
- {
- if (!CloseDocument(docToClose, false))
- {
- return NULL;
- }
- }
+ // do create and initialize the new document finally
+ wxDocument * const docNew = temp->CreateDocument(path, flags);
+ if ( !docNew )
+ 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;
- }
- }
- }
+ docNew->SetDocumentName(temp->GetDocumentName());
+ docNew->SetDocumentTemplate(temp);
- 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;
+ // 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)) )
+ {
+ // Document is implicitly deleted by DeleteAllViews
+ docNew->DeleteAllViews();
+ return NULL;
}
- return (wxDocument *) NULL;
+ // 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)
{
- wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
- int n =0;
+ wxDocTemplates templates(GetVisibleTemplates(m_templates));
+ const size_t numTemplates = templates.size();
- 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;
- }
+ if ( numTemplates == 0 )
+ return NULL;
- 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;
+ wxDocTemplate * const
+ temp = numTemplates == 1 ? templates[0]
+ : SelectViewType(&templates[0], numTemplates);
+
+ if ( !temp )
+ return NULL;
+
+ wxView *view = temp->CreateView(doc, flags);
+ if ( view )
+ view->SetViewName(temp->GetViewName());
+ return view;
}
// Not yet implemented
-void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
+void
+wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
{
}
if (view)
return view->GetDocument();
else
- return (wxDocument *) NULL;
+ return NULL;
}
// Make a default name for a new document
// Not yet implemented
wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
{
- return (wxDocTemplate *) NULL;
+ return NULL;
}
// File history management
}
#if wxUSE_CONFIG
-void wxDocManager::FileHistoryLoad(wxConfigBase& config)
+void wxDocManager::FileHistoryLoad(const wxConfigBase& config)
{
if (m_fileHistory)
m_fileHistory->Load(config);
// against that of the template
wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
{
- wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
+ wxDocTemplate *theTemplate = NULL;
// Find the template which this extension corresponds to
for (size_t i = 0; i < m_templates.GetCount(); i++)
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))
}
#else
wxString descrBuf = wxT("*.*");
+ wxUnusedVar(noTemplates);
#endif
int FilterIndex = -1;
wxWindow* parent = wxFindSuitableParent();
- wxString pathTmp = wxFileSelectorEx(_("Select a file"),
+ wxString pathTmp = wxFileSelectorEx(_("Open File"),
m_lastDirectory,
wxEmptyString,
&FilterIndex,
0,
parent);
- wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
+ wxDocTemplate *theTemplate = NULL;
if (!pathTmp.empty())
{
if (!wxFileExists(pathTmp))
else
msgTitle = wxString(_("File error"));
- (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
+ (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION | wxCENTRE,
parent);
path = wxEmptyString;
- return (wxDocTemplate *) NULL;
+ return NULL;
}
m_lastDirectory = wxPathOnly(pathTmp);
// 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());
+ wxOK | wxICON_EXCLAMATION | wxCENTRE, wxFindSuitableParent());
}
}
else
break;
case 1:
- // don't propose the user to choose if he heas no choice
+ // don't propose the user to choose if he has no choice
theTemplate = data[0];
break;
switch ( n )
{
case 0:
- theTemplate = (wxDocTemplate *)NULL;
+ theTemplate = NULL;
break;
case 1:
if ( m_currentView == view )
{
// don't keep stale pointer
- m_currentView = (wxView *) NULL;
+ m_currentView = NULL;
}
}
}
view->SetFrame(this);
}
-// Extend event processing to search the view's event table
-bool wxDocChildFrame::ProcessEvent(wxEvent& event)
+bool wxDocChildFrame::TryValidator(wxEvent& event)
{
- if (m_childView)
- m_childView->Activate(true);
+ if ( !m_childView )
+ return false;
- 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;
+ // FIXME: why is this needed here?
+ m_childView->Activate(true);
+
+ return m_childView->ProcessEventHere(event);
}
void wxDocChildFrame::OnActivate(wxActivateEvent& event)
{
m_childView->Activate(false);
delete m_childView;
- m_childView = (wxView *) NULL;
- m_childDocument = (wxDocument *) NULL;
+ m_childView = NULL;
+ m_childDocument = NULL;
this->Destroy();
}
{
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);
+ if ( filename.empty() )
+ return;
- 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);
+ 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;
- 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());
- }
+ 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::ProcessEvent(wxEvent& event)
+bool wxDocParentFrame::TryValidator(wxEvent& event)
{
- // Try the document manager, then do default processing
- if (!m_docManager || !m_docManager->ProcessEvent(event))
- return wxEvtHandler::ProcessEvent(event);
- else
- return true;
+ return m_docManager && m_docManager->ProcessEventHere(event);
}
// Define the behaviour for the frame closing
#endif // wxUSE_PRINTING_ARCHITECTURE
// ----------------------------------------------------------------------------
-// File history processor
+// File history (a.k.a. MRU, most recently used, files list)
// ----------------------------------------------------------------------------
wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
m_idBase = idBase;
}
-wxFileHistory::~wxFileHistory()
-{
-}
-
void wxFileHistory::AddFileToHistory(const wxString& file)
{
- wxFileName fn(file);
- size_t i;
-
- // Check we don't already have this file
- for (i = 0; i < m_fileHistory.GetCount(); i++)
+ // 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++ )
{
- // we need to do a comparison using wxFileNames because it knows
- // how to exactly compare files on the different platforms
- // (e.g. handle case [in]sensitive filesystems)
- if ( fn == wxFileName(m_fileHistory[i]) )
+ if ( fnNew == m_fileHistory[i] )
{
// we do have it, move it to the top of the history
- RemoveFileFromHistory (i);
- AddFileToHistory (file);
- return;
+ RemoveFileFromHistory(i);
+ numFiles--;
+ break;
}
}
// if we already have a full history, delete the one at the end
- if ( m_fileMaxFiles == m_fileHistory.GetCount() )
+ if ( numFiles == m_fileMaxFiles )
{
- RemoveFileFromHistory (m_fileHistory.GetCount() - 1);
- AddFileToHistory (file);
- return;
+ RemoveFileFromHistory(--numFiles);
}
- // Add to the project file history:
- // Move existing files (if any) down so we can insert file at beginning.
- if (m_fileHistory.GetCount() < m_fileMaxFiles)
+ // 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() )
{
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while (node)
- {
- wxMenu* menu = (wxMenu*) node->GetData();
- if ( m_fileHistory.IsEmpty() && menu->GetMenuItemCount() )
- {
- menu->AppendSeparator();
- }
- menu->Append(m_idBase+m_fileHistory.GetCount(), _("[EMPTY]"));
- 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, " ");
}
- m_fileHistory.Insert(file, 0);
+ // insert the new file in the beginning of the file history
+ m_fileHistory.insert(m_fileHistory.begin(), file);
+ numFiles++;
- // this is the directory of the last opened file
- wxString pathCurrent;
- wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
- for (i = 0; i < m_fileHistory.GetCount(); 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];
- }
+ // 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]);
- // we need to quote '&' characters which are used for mnemonics
- pathInMenu.Replace(_T("&"), _T("&&"));
+ 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];
+ }
- wxString buf;
- buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
+ for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxMenu * const menu = (wxMenu *)node->GetData();
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while (node)
- {
- wxMenu* menu = (wxMenu*) node->GetData();
- menu->SetLabel(m_idBase + i, buf);
- node = node->GetNext();
- }
+ menu->SetLabel(m_idBase + i, GetMRUEntryLabel(i, pathInMenu));
}
+ }
}
void wxFileHistory::RemoveFileFromHistory(size_t i)
{
- wxCHECK_RET( i < m_fileHistory.GetCount(),
+ size_t numFiles = m_fileHistory.size();
+ wxCHECK_RET( i < numFiles,
wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
- // delete the element from the array
+ // delete the element from the array
m_fileHistory.RemoveAt(i);
+ numFiles--;
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while ( node )
+ for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
+ node;
+ node = node->GetNext() )
{
- wxMenu* menu = (wxMenu*) node->GetData();
+ wxMenu * const menu = (wxMenu *) node->GetData();
- // shuffle filenames up
- wxString buf;
- for ( size_t j = i; j < m_fileHistory.GetCount(); j++ )
+ // shift filenames up
+ for ( size_t j = i; j < numFiles; j++ )
{
- buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j].c_str());
- menu->SetLabel(m_idBase + j, buf);
+ menu->SetLabel(m_idBase + j, GetMRUEntryLabel(j, m_fileHistory[j]));
}
- node = node->GetNext();
-
// delete the last menu item which is unused now
- wxWindowID lastItemId = m_idBase + wx_truncate_cast(wxWindowID, m_fileHistory.GetCount());
- if (menu->FindItem(lastItemId))
- {
+ 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.GetCount() == 0 )
+ if ( m_fileHistory.empty() )
{
- wxMenuItemList::compatibility_iterator nodeLast = menu->GetMenuItems().GetLast();
+ const 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?
+ 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))
+ if ( !m_fileMenus.Member(menu) )
m_fileMenus.Append(menu);
}
}
#if wxUSE_CONFIG
-void wxFileHistory::Load(wxConfigBase& config)
+void wxFileHistory::Load(const wxConfigBase& config)
{
m_fileHistory.Clear();
buf.Printf(wxT("file%d"), 1);
wxString historyFile;
- while ((m_fileHistory.GetCount() < m_fileMaxFiles) &&
+ while ((m_fileHistory.GetCount() < m_fileMaxFiles) &&
config.Read(buf, &historyFile) && !historyFile.empty())
{
m_fileHistory.Add(historyFile);
void wxFileHistory::AddFilesToMenu()
{
- if (m_fileHistory.GetCount() > 0)
- {
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while (node)
- {
- wxMenu* menu = (wxMenu*) node->GetData();
- if (menu->GetMenuItemCount())
- {
- menu->AppendSeparator();
- }
+ if ( m_fileHistory.empty() )
+ return;
- size_t i;
- for (i = 0; i < m_fileHistory.GetCount(); i++)
- {
- wxString buf;
- buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i].c_str());
- menu->Append(m_idBase+i, buf);
- }
- node = node->GetNext();
- }
+ for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ AddFilesToMenu((wxMenu *) node->GetData());
}
}
void wxFileHistory::AddFilesToMenu(wxMenu* menu)
{
- if (m_fileHistory.GetCount() > 0)
- {
- if (menu->GetMenuItemCount())
- {
- menu->AppendSeparator();
- }
+ if ( m_fileHistory.empty() )
+ return;
- size_t i;
- for (i = 0; i < m_fileHistory.GetCount(); i++)
- {
- wxString buf;
- buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i].c_str());
- menu->Append(m_idBase+i, buf);
- }
- }
+ 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]));
+ }
}
// ----------------------------------------------------------------------------
return false;
char buf[4096];
- do
+ for ( ;; )
{
stream.Read(buf, WXSIZEOF(buf));
const size_t nRead = stream.LastRead();
- if ( !nRead || !file.Write(buf, nRead) )
+ if ( !nRead )
+ {
+ if ( stream.Eof() )
+ break;
+
+ return false;
+ }
+
+ if ( !file.Write(buf, nRead) )
return false;
}
- while ( !stream.Eof() );
return true;
}
projects / wxWidgets.git / blobdiff