Angus Leeming wrote:
> On Thursday 18 April 2002 5:03 pm, Marco Morandini wrote:
> 
> In ControlGraphics.C, are you sure you need to #include "converter.h"?
 >

It defines the class Format and declares the external formats variable.

 >
> and #include "insets/insetexternal.h" ?
> 

No, I don't need it. I've added it while I was lookig for a method to 
get the formats variable.


> You're right about the ugliness of the "|" stuff. Really we should pass the 
> vector to browseRelFile and let it deal with this. For now though, you should 
> use:
> 
> #include "support/lstrings.h"
> 
> string const answer = 
>       "*.(" + getStringFromVector(browsable_formats, " | ") +"|gz)|";
> 
> I think. (Don't forget the gz).
> 

Thanks.
"|" and not " | ", or it will not work.

> Could you test it for me?

Seems to work.


Thanks again,

Marco
Index: src/frontends/controllers/ControlGraphics.C
===================================================================
RCS file: /cvs/lyx/lyx-devel/src/frontends/controllers/ControlGraphics.C,v
retrieving revision 1.33
diff -u -r1.33 ControlGraphics.C
--- src/frontends/controllers/ControlGraphics.C 2002/04/12 15:25:11     1.33
+++ src/frontends/controllers/ControlGraphics.C 2002/04/18 16:51:35
@@ -26,6 +26,7 @@
 
 #include "helper_funcs.h"
 
+#include "converter.h"
 #include "buffer.h"
 #include "BufferView.h"
 #include "Dialogs.h"
@@ -34,6 +35,7 @@
 #include "lyxrc.h"
 
 #include "graphics/GraphicsCache.h"
+#include "graphics/GraphicsConverter.h"
 
 #include "insets/insetgraphics.h"
 #include "insets/insetgraphicsParams.h"
@@ -48,14 +50,42 @@
 using std::ifstream;
 
 namespace {
+using std::vector;
 
 // FIXME: currently we need the second '|' to prevent mis-interpretation!
 // All supported graphic formats with their file-extension and the
 // gzip-ext for zipped (e)ps-files.
-string const grfx_pattern = 
-       "*.(agr|bmp|eps|epsi|fits|gif|jpg|obj|pdf|pbm|pgm|png|"
-       "ppm|ps|tif|tiff|xbm|xpm|xwd|gz)|";             
-
+// string const grfx_pattern = 
+//     "*.(agr|bmp|eps|epsi|fits|gif|jpg|obj|pdf|pbm|pgm|png|"
+//     "ppm|ps|tif|tiff|xbm|xpm|xwd|gz)|";             
+string const grfx_pattern() {
+       vector<string> native_formats = grfx::GCache::get().loadableFormats();
+       // We can load any format that can be loaded natively together with those
+       // that can be converted to one of these native formats.
+       vector<string> browsable_formats = native_formats;
+       
+       grfx::GConverter const & gconverter = grfx::GConverter::get();
+       
+       vector<string>::const_iterator to_end = native_formats.end();
+
+       Formats::const_iterator from_it = formats.begin();
+       Formats::const_iterator from_end = formats.end();
+       for (; from_it != from_end; ++from_it) {
+               string const from = from_it->name();
+               
+               vector<string>::const_iterator to_it = native_formats.begin();
+               for (; to_it != to_end; ++to_it) {
+                       if (gconverter.isReachable(from, *to_it)) {
+                               browsable_formats.push_back(from);
+                               break;
+                       }
+               }
+       }
+       
+       string const answer = 
+               "*.(" + getStringFromVector(browsable_formats, "|") +"|gz)|";
+       return answer;
+};
 }
 
  
@@ -113,7 +143,7 @@
        pair<string, string> dir2(_("Documents|#o#O"), string(lyxrc.document_path));
        // Show the file browser dialog
        return browseRelFile(&lv_, in_name, lv_.buffer()->filePath(),
-                            title, ::grfx_pattern, dir1, dir2);
+                            title, ::grfx_pattern(), dir1, dir2);
 }
 
 
Index: src/graphics/GraphicsCache.C
===================================================================
RCS file: /cvs/lyx/lyx-devel/src/graphics/GraphicsCache.C,v
retrieving revision 1.23
diff -u -r1.23 GraphicsCache.C
--- src/graphics/GraphicsCache.C        2002/04/11 17:40:44     1.23
+++ src/graphics/GraphicsCache.C        2002/04/18 16:51:35
@@ -185,5 +185,10 @@
        return it->second->raw_height();
 }
 
+
+std::vector<string> GCache::loadableFormats() const {
+       return GImage::loadableFormats();
+}
+
 } // namespace grfx
 
Index: src/graphics/GraphicsCache.h
===================================================================
RCS file: /cvs/lyx/lyx-devel/src/graphics/GraphicsCache.h,v
retrieving revision 1.17
diff -u -r1.17 GraphicsCache.h
--- src/graphics/GraphicsCache.h        2002/04/11 17:40:44     1.17
+++ src/graphics/GraphicsCache.h        2002/04/18 16:51:35
@@ -23,6 +23,7 @@
 
 #include "GraphicsTypes.h"
 #include <map>
+#include <vector>
 #include "LString.h"
 #include <boost/utility.hpp>
 
@@ -71,6 +72,8 @@
        unsigned int raw_width(string const & filename) const;
        ///
        unsigned int raw_height(string const & filename) const;
+       ///
+       std::vector<string> loadableFormats() const;
        
 private:
        /** Make the c-tor private so we can control how many objects

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