Dekels tabular/textinset patches

[lyx.git] / src / importer.C

diff --git a/src/importer.C b/src/importer.C
index 73a503f9c6f50cd126e541bddeb1f72d14da3555..ff506f62abb9d88d2ae780fb001b7165f1d9ab98 100644 (file)
--- a/src/importer.C
+++ b/src/importer.C
@@ -14,6 +14,8 @@
 #pragma implementation
 #endif
 
+#include <algorithm>
+
 #include "importer.h"
 #include "converter.h"
 #include "LyXView.h"
@@ -21,12 +23,16 @@
 #include "minibuffer.h"
 #include "bufferlist.h"
 #include "support/filetools.h"
+#include "lyx_gui_misc.h" //WriteAlert
+
+using std::vector;
+using std::find;
 
 extern BufferList bufferlist;
 extern void InsertAsciiFile(BufferView *, string const &, bool);
 
 
-void Importer::Import(LyXView * lv, string const & filename, 
+bool Importer::Import(LyXView * lv, string const & filename, 
                      string const & format)
 {
        string displaypath = MakeDisplayPath(filename);
@@ -34,36 +40,80 @@ void Importer::Import(LyXView * lv, string const & filename,
 
        string lyxfile = ChangeExtension(filename, ".lyx");
 
-       bool result = true;
-       if (format == "text" || format == "textparagraph") {
+       string loader_format;
+       vector<string> loaders = Loaders();
+       if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
+               for (vector<string>::const_iterator it = loaders.begin();
+                    it != loaders.end(); ++it) {
+                       if (converters.IsReachable(format, *it)) {
+                               if (!converters.Convert(0, filename, filename,
+                                                       format, *it))
+                                       return false;
+                               loader_format = *it;
+                               break;
+                       }
+               }
+               if (loader_format.empty()) {
+                       WriteAlert(_("Can not import file"),
+                                  _("No information for importing from ")
+                                  + formats.PrettyName(format));
+                       return false;
+               }
+       } else
+               loader_format = format;
+
+
+       if (loader_format == "lyx") {
+               Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
+               if (buffer)
+                       lv->view()->buffer(buffer);
+       } else {
                lv->view()->buffer(bufferlist.newFile(lyxfile, string(), true));
-               bool as_paragraphs = format == "textparagraph";
-               InsertAsciiFile(lv->view(), filename, as_paragraphs);
+               bool as_paragraphs = loader_format == "textparagraph";
+               string filename2 = (loader_format == format) ? filename
+                       : ChangeExtension(filename,
+                                         formats.Extension(loader_format));
+               InsertAsciiFile(lv->view(), filename2, as_paragraphs);
                lv->getLyXFunc()->Dispatch(LFUN_MARK_OFF);
-       } else {
-               result = Converter::Convert(0, filename, filename, format, "lyx");
-               if (result) {
-                       Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
-                       if (buffer)
-                               lv->view()->buffer(buffer);
-                       else
-                               result = false;
-               }
        }
 
        // we are done
-       if (result)
-               lv->getMiniBuffer()->Set(displaypath, _("imported."));
-       else
-               lv->getMiniBuffer()->Set(displaypath, _(": import failed."));
+       lv->getMiniBuffer()->Set(displaypath, _("imported."));
+       return true;
+}
 
+#if 0
+bool Importer::IsImportable(string const & format)
+{
+       vector<string> loaders = Loaders();
+       for (vector<string>::const_iterator it = loaders.begin();
+            it != loaders.end(); ++it)
+               if (converters.IsReachable(format, *it))
+                       return true;
+       return false;
 }
+#endif
 
+vector<Format const *> const Importer::GetImportableFormats()
+{
+       vector<string> loaders = Loaders();
+       vector<Format const *> result = 
+               converters.GetReachableTo(loaders[0], true);
+       for (vector<string>::const_iterator it = loaders.begin() + 1;
+            it != loaders.end(); ++it) {
+               vector<Format const *> r =
+                       converters.GetReachableTo(*it, false);
+               result.insert(result.end(), r.begin(), r.end());
+       }
+       return result;
+}
 
-bool Importer::IsImportable(string const & format)
+
+vector<string> const Importer::Loaders()
 {
-       if (format == "text" || format == "textparagraph")
-               return true;
-       else
-               return Converter::IsReachable(format, "lyx");
+       vector<string> v;
+       v.push_back("lyx");
+       v.push_back("text");
+       v.push_back("textparagraph");
+       return v;
 }