Use preferences to determine preferred image format & size rather than use hard code values.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@36937 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_dms/SkinTemplateItem/portal_skins/erp5_dms/PDF_renderHTMLPreviewAsImage.xml

@@ -42,8 +42,8 @@
 <div class="pdf-preview-content"\n
      tal:define="frame request/frame|\n
                    python:here.PDF_getPageNumberFromSelectionIndex(request.get(\'selection_index\', 0));\n
-                 display request/display|string:xlarge;\n
-                 format request/format|string:png;">\n
+                 display python: request.get(\'display\', context.portal_preferences.getPreference(\'preferred_image_size\', \'large\'));\n
+                 format python: request.get(\'format\', context.portal_preferences.getPreference(\'preferred_image_format\', \'png\'))">\n
   <img src="" alt=""\n
       tal:attributes="src\n
         string:${here/absolute_url}/index_html?display=${display}&format=${format}&frame=${frame}&resolution:int=300"/>\n

bt5/erp5_dms/bt/revision

-1156
\ No newline at end of file
+1157
\ No newline at end of file