X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/568b12fab06f1cde9d37f5ce633ffc505116761f..ba49d2acf95d53517719c4fd9ac2ad5aaa13540b:/src/common/docview.cpp diff --git a/src/common/docview.cpp b/src/common/docview.cpp index 2111cfd22f..849a3a2754 100644 --- a/src/common/docview.cpp +++ b/src/common/docview.cpp @@ -60,6 +60,7 @@ #include "wx/vector.h" #include "wx/scopedarray.h" #include "wx/scopedptr.h" +#include "wx/scopeguard.h" #include "wx/except.h" #if wxUSE_STD_IOSTREAM @@ -75,8 +76,6 @@ #include "wx/wfstream.h" #endif -typedef wxVector wxDocTemplates; - // ---------------------------------------------------------------------------- // wxWidgets macros // ---------------------------------------------------------------------------- @@ -122,8 +121,12 @@ wxString FindExtension(const wxString& path) wxDocument::wxDocument(wxDocument *parent) { m_documentModified = false; - m_documentParent = parent; m_documentTemplate = NULL; + + m_documentParent = parent; + if ( parent ) + parent->m_childDocuments.push_back(this); + m_commandProcessor = NULL; m_savedYet = false; } @@ -140,6 +143,9 @@ wxDocument::~wxDocument() if (GetDocumentManager()) GetDocumentManager()->RemoveDocument(this); + if ( m_documentParent ) + m_documentParent->m_childDocuments.remove(this); + // Not safe to do here, since it'll invoke virtual view functions // expecting to see valid derived objects: and by the time we get here, // we've called destructors higher up. @@ -151,6 +157,40 @@ bool wxDocument::Close() if ( !OnSaveModified() ) return false; + // When the parent document closes, its children must be closed as well as + // they can't exist without the parent. + + // As usual, first check if all children can be closed. + DocsList::const_iterator it = m_childDocuments.begin(); + for ( DocsList::const_iterator end = m_childDocuments.end(); it != end; ++it ) + { + if ( !(*it)->OnSaveModified() ) + { + // Leave the parent document opened if a child can't close. + return false; + } + } + + // Now that they all did, do close them: as m_childDocuments is modified as + // we iterate over it, don't use the usual for-style iteration here. + while ( !m_childDocuments.empty() ) + { + wxDocument * const childDoc = m_childDocuments.front(); + + // This will call OnSaveModified() once again but it shouldn't do + // anything as the document was just saved or marked as not needing to + // be saved by the call to OnSaveModified() that returned true above. + if ( !childDoc->Close() ) + { + wxFAIL_MSG( "Closing the child document unexpectedly failed " + "after its OnSaveModified() returned true" ); + } + + // Delete the child document by deleting all its views. + childDoc->DeleteAllViews(); + } + + return OnCloseDocument(); } @@ -231,6 +271,12 @@ void wxDocument::Modify(bool mod) wxDocManager *wxDocument::GetDocumentManager() const { + // For child documents we use the same document manager as the parent, even + // though we don't have our own template (as children are not opened/saved + // directly). + if ( m_documentParent ) + return m_documentParent->GetDocumentManager(); + return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL; } @@ -350,6 +396,9 @@ bool wxDocument::OnSaveDocument(const wxString& file) if ( !DoSaveDocument(file) ) return false; + if ( m_commandProcessor ) + m_commandProcessor->MarkAsSaved(); + Modify(false); SetFilename(file); SetDocumentSaved(true); @@ -425,7 +474,7 @@ bool wxDocument::Revert() #if WXWIN_COMPATIBILITY_2_8 bool wxDocument::GetPrintableName(wxString& buf) const { - // this function can not only be overridden by the user code but also + // this function cannot only be overridden by the user code but also // called by it so we need to ensure that we return the same thing as // GetUserReadableName() but we can't call it because this would result in // an infinite recursion, hence we use the helper DoGetUserReadableName() @@ -809,17 +858,19 @@ wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags) bool wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags) { + wxScopeGuard g = wxMakeObjGuard(*doc, &wxDocument::DeleteAllViews); + doc->SetFilename(path); doc->SetDocumentTemplate(this); GetDocumentManager()->AddDocument(doc); doc->SetCommandProcessor(doc->OnCreateCommandProcessor()); - if (doc->OnCreate(path, flags)) - return true; + if ( !doc->OnCreate(path, flags) ) + return false; - if (GetDocumentManager()->GetDocuments().Member(doc)) - doc->DeleteAllViews(); - return false; + g.Dismiss(); // no need to call DeleteAllViews() anymore + + return true; } wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags) @@ -895,7 +946,7 @@ BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler) EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert) EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew) EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave) - EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateDisableIfNoDoc) + EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs) EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo) EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo) @@ -1087,7 +1138,7 @@ void wxDocManager::OnMRUFile(wxCommandEvent& event) // Check if the id is in the range assigned to MRU list entries. const int id = event.GetId(); if ( id >= wxID_FILE1 && - id < wxID_FILE1 + m_fileHistory->GetBaseId() ) + id < wxID_FILE1 + static_cast(m_fileHistory->GetCount()) ) { DoOpenMRUFile(id - wxID_FILE1); } @@ -1106,26 +1157,27 @@ void wxDocManager::DoOpenMRUFile(unsigned n) wxString errMsg; // must contain exactly one "%s" if non-empty if ( wxFile::Exists(filename) ) { - // try to open it - if ( CreateDocument(filename, wxDOC_SILENT) ) - return; - - errMsg = _("The file '%s' couldn't be opened."); + // Try to open it but don't give an error if it failed: this could be + // normal, e.g. because the user cancelled opening it, and we don't + // have any useful information to put in the error message anyhow, so + // we assume that in case of an error the appropriate message had been + // already logged. + (void)CreateDocument(filename, wxDOC_SILENT); } else // file doesn't exist { - errMsg = _("The file '%s' doesn't exist and couldn't be opened."); + OnMRUFileNotExist(n, filename); } +} - - wxASSERT_MSG( !errMsg.empty(), "should have an error message" ); - +void wxDocManager::OnMRUFileNotExist(unsigned n, const wxString& filename) +{ // remove the file which we can't open from the MRU list RemoveFileFromHistory(n); // and tell the user about it - wxLogError(errMsg + '\n' + - _("It has been removed from the most recently used files list."), + wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\n" + "It has been removed from the most recently used files list."), filename); } @@ -1181,7 +1233,7 @@ void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event)) preview = new wxPrintPreview(printout, view->OnCreatePrintout(), &printDialogData); - if ( !preview->Ok() ) + if ( !preview->IsOk() ) { delete preview; wxLogError(_("Print preview creation failed.")); @@ -1254,7 +1306,13 @@ void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event) void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event) { wxDocument * const doc = GetCurrentDocument(); - event.Enable( doc && !doc->AlreadySaved() ); + event.Enable( doc && !doc->IsChildDocument() && !doc->AlreadySaved() ); +} + +void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event) +{ + wxDocument * const doc = GetCurrentDocument(); + event.Enable( doc && !doc->IsChildDocument() ); } void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event) @@ -1262,10 +1320,14 @@ void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event) wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor(); if ( !cmdproc ) { - event.Enable(false); + // If we don't have any document at all, the menu item should really be + // disabled. + if ( !GetCurrentDocument() ) + event.Enable(false); + else // But if we do have it, it might handle wxID_UNDO on its own + event.Skip(); return; } - event.Enable(cmdproc->CanUndo()); cmdproc->SetMenuStrings(); } @@ -1275,10 +1337,13 @@ void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event) wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor(); if ( !cmdproc ) { - event.Enable(false); + // Use same logic as in OnUpdateUndo() above. + if ( !GetCurrentDocument() ) + event.Enable(false); + else + event.Skip(); return; } - event.Enable(cmdproc->CanRedo()); cmdproc->SetMenuStrings(); } @@ -1317,11 +1382,11 @@ namespace { // helper function: return only the visible templates -wxDocTemplates GetVisibleTemplates(const wxList& allTemplates) +wxDocTemplateVector GetVisibleTemplates(const wxList& allTemplates) { // select only the visible templates const size_t totalNumTemplates = allTemplates.GetCount(); - wxDocTemplates templates; + wxDocTemplateVector templates; if ( totalNumTemplates ) { templates.reserve(totalNumTemplates); @@ -1350,7 +1415,7 @@ void wxDocManager::ActivateDocument(wxDocument *doc) view->Activate(true); if ( wxWindow *win = view->GetFrame() ) - win->SetFocus(); + win->Raise(); } wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags) @@ -1358,7 +1423,7 @@ 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)); + wxDocTemplateVector templates(GetVisibleTemplates(m_templates)); const size_t numTemplates = templates.size(); if ( !numTemplates ) { @@ -1408,6 +1473,7 @@ wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags) { // file already open, just activate it and return ActivateDocument(doc); + return doc; } } } @@ -1464,7 +1530,7 @@ wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags) wxView *wxDocManager::CreateView(wxDocument *doc, long flags) { - wxDocTemplates templates(GetVisibleTemplates(m_templates)); + wxDocTemplateVector templates(GetVisibleTemplates(m_templates)); const size_t numTemplates = templates.size(); if ( numTemplates == 0 ) @@ -1893,6 +1959,20 @@ void wxDocManager::DisassociateTemplate(wxDocTemplate *temp) m_templates.DeleteObject(temp); } +wxDocTemplate* wxDocManager::FindTemplate(const wxClassInfo* classinfo) +{ + for ( wxList::compatibility_iterator node = m_templates.GetFirst(); + node; + node = node->GetNext() ) + { + wxDocTemplate* t = wxStaticCast(node->GetData(), wxDocTemplate); + if ( t->GetDocClassInfo() == classinfo ) + return t; + } + + return NULL; +} + // Add and remove a document from the manager's list void wxDocManager::AddDocument(wxDocument *doc) { @@ -1961,8 +2041,27 @@ bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event) #if wxUSE_PRINTING_ARCHITECTURE +namespace +{ + +wxString GetAppropriateTitle(const wxView *view, const wxString& titleGiven) +{ + wxString title(titleGiven); + if ( title.empty() ) + { + if ( view && view->GetDocument() ) + title = view->GetDocument()->GetUserReadableName(); + else + title = _("Printout"); + } + + return title; +} + +} // anonymous namespace + wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title) - : wxPrintout(title) + : wxPrintout(GetAppropriateTitle(view, title)) { m_printoutView = view; }