fix for open of non-existent file, writeFile() change

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4832 a592a061-630c-0410-9148-cb99ea01b6c8

src/ChangeLog

@@ -1,3 +1,14 @@
+2002-08-01  John Levon  <levon@movementarian.org>
+
+	* buffer.h: 
+	* buffer.C (writeFile): don't output alerts, caller
+	  handles this
+
+	* bufferlist.C:
+	* lyx_cb.C: from above
+
+	* lyxfunc.C: allow to open non-existent files
+
 2002-07-31  John Levon  <levon@movementarian.org>
 
 	* lyxserver.C: don't let incidental errors get

src/buffer.C

@@ -1812,7 +1812,7 @@ bool Buffer::save() const
 		}
 	}
 
-	if (writeFile(fileName(), false)) {
+	if (writeFile(fileName())) {
 		markLyxClean();
 		removeAutosaveFile(fileName());
 	} else {
@@ -1826,46 +1826,19 @@ bool Buffer::save() const
 }
 
 
-// Returns false if unsuccesful
-bool Buffer::writeFile(string const & fname, bool flag) const
+bool Buffer::writeFile(string const & fname) const
 {
-	// if flag is false writeFile will not create any GUI
-	// warnings, only cerr.
-	// Needed for autosave in background or panic save (Matthias 120496)
-
 	if (read_only && (fname == fileName())) {
-		// Here we should come with a question if we should
-		// perform the write anyway.
-		if (flag)
-			lyxerr << _("Error! Document is read-only: ")
-			       << fname << endl;
-		else
-			Alert::alert(_("Error! Document is read-only: "),
-				   fname);
 		return false;
 	}
 
 	FileInfo finfo(fname);
 	if (finfo.exist() && !finfo.writable()) {
-		// Here we should come with a question if we should
-		// try to do the save anyway. (i.e. do a chmod first)
-		if (flag)
-			lyxerr << _("Error! Cannot write file: ")
-			       << fname << endl;
-		else
-			Alert::err_alert(_("Error! Cannot write file: "),
-				     fname);
 		return false;
 	}
 
 	ofstream ofs(fname.c_str());
 	if (!ofs) {
-		if (flag)
-			lyxerr << _("Error! Cannot open file: ")
-			       << fname << endl;
-		else
-			Alert::err_alert(_("Error! Cannot open file: "),
-				     fname);
 		return false;
 	}
 

src/buffer.h

@@ -148,7 +148,7 @@ public:
 	bool save() const;
 
 	/// Write file. Returns \c false if unsuccesful.
-	bool writeFile(string const &, bool) const;
+	bool writeFile(string const &) const;
 
 	///
 	void writeFileAscii(string const & , int);

src/bufferlist.C

@@ -315,7 +315,7 @@ void BufferList::emergencyWrite(Buffer * buf)
 		string s = buf->fileName();
 		s += ".emergency";
 		lyxerr << "  " << s << endl;
-		if (buf->writeFile(s, true)) {
+		if (buf->writeFile(s)) {
 			buf->markLyxClean();
 			lyxerr << _("  Save seems successful. Phew.") << endl;
 			return;
@@ -328,7 +328,7 @@ void BufferList::emergencyWrite(Buffer * buf)
 	string s = AddName(GetEnvPath("HOME"), buf->fileName());
 	s += ".emergency";
 	lyxerr << " " << s << endl;
-	if (buf->writeFile(s, true)) {
+	if (buf->writeFile(s)) {
 		buf->markLyxClean();
 		lyxerr << _("  Save seems successful. Phew.") << endl;
 		return;
@@ -342,7 +342,7 @@ void BufferList::emergencyWrite(Buffer * buf)
 	s = AddName(MakeAbsPath("/tmp/"), buf->fileName());
 	s += ".emergency";
 	lyxerr << " " << s << endl;
-	if (buf->writeFile(s, true)) {
+	if (buf->writeFile(s)) {
 		buf->markLyxClean();
 		lyxerr << _("  Save seems successful. Phew.") << endl;
 		return;

src/frontends/controllers/ChangeLog

@@ -1,3 +1,7 @@
+2002-08-01  John Levon  <levon@movementarian.org>
+
+	* ControlSendto.C: writeFile() change
+ 
 2002-08-01  John Levon  <levon@movementarian.org>
 
 	* ControlSpellchecker.h:

src/frontends/controllers/ControlSendto.C

@@ -122,7 +122,7 @@ void ControlSendto::apply()
 		if (!lv_.buffer()->tmppath.empty())
 			filename = AddName(lv_.buffer()->tmppath, filename);
 
-		lv_.buffer()->writeFile(filename, true);
+		lv_.buffer()->writeFile(filename);
 
 	} else {
 		Exporter::Export(lv_.buffer(), format_->name(), true, filename);

src/frontends/xforms/ChangeLog

@@ -1,3 +1,7 @@
+2002-08-01  John Levon  <levon@movementarian.org>
+
+	* FormDocument.C: writeFile() change
+ 
 2002-08-01  John Levon  <levon@movementarian.org>
 
 	* FormPreferences.h:

src/frontends/xforms/FormDocument.C

@@ -407,7 +407,7 @@ bool saveParamsAsDefault(BufferParams const &params)
 	// add an empty paragraph. Is this enough?
 	defaults.paragraph = new Paragraph;
 
-	return defaults.writeFile(defaults.fileName(), false);
+	return defaults.writeFile(defaults.fileName());
 }
 
 } //namespace

src/lyx_cb.C

@@ -278,7 +278,7 @@ void AutoSave(BufferView * bv)
 
 		string const tmp_ret = lyx::tempName(string(), "lyxauto");
 		if (!tmp_ret.empty()) {
-			bv->buffer()->writeFile(tmp_ret, 1);
+			bv->buffer()->writeFile(tmp_ret);
 			// assume successful write of tmp_ret
 			if (!lyx::rename(tmp_ret, fname)) {
 				failed = true;
@@ -293,7 +293,7 @@ void AutoSave(BufferView * bv)
 
 		if (failed) {
 			// failed to write/rename tmp_ret so try writing direct
-			if (!bv->buffer()->writeFile(fname, 1)) {
+			if (!bv->buffer()->writeFile(fname)) {
 				// It is dangerous to do this in the child,
 				// but safe in the parent, so...
 				if (pid == -1)

src/lyxfunc.C

@@ -1687,16 +1687,26 @@ void LyXFunc::open(string const & fname)
 	// get absolute path of file and add ".lyx" to the filename if
 	// necessary
 	string const fullpath = FileSearch(string(), filename, "lyx");
-	if (fullpath.empty()) {
-		Alert::alert(_("Error"), _("Could not find file"), filename);
-		return;
+	if (!fullpath.empty()) {
+		filename = fullpath;
 	}
 
-	filename = fullpath;
-
-	// loads document
 	string const disp_fn(MakeDisplayPath(filename));
 
+	// if the file doesn't exist, let the user create one
+	FileInfo const f(filename, true);
+	if (!f.exist()) {
+		if (!Alert::askQuestion(_("No such file"), disp_fn, 
+			_("Start a new document with this filename ?"))) {
+			owner->message(_("Canceled"));
+			return;
+		}
+		// the user specifically chose this name. Believe them.
+		Buffer * buffer =  bufferlist.newFile(filename, "", true);
+		owner->view()->buffer(buffer);
+		return;
+	}
+
 	ostringstream str;
 	str << _("Opening document") << ' ' << disp_fn << "...";