[erp5_web_renderjs_ui] Support UTF-8 filename download.

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_form_js.js

@@ -589,10 +589,17 @@ and handling data send&receive.
     .declareJob("forceDownload", function forceDownload(attachment) {
       /*jslint regexp: true */
       var attachment_data = attachment.target.response,
+        filename_utf8_quoted = /(?:^|;)\s*filename\*=UTF-8''?([^";]+)/i.exec(
+          attachment.target.getResponseHeader("Content-Disposition") || ""
+        ),
         filename = /(?:^|;)\s*filename\s*=\s*"?([^";]+)/i.exec(
           attachment.target.getResponseHeader("Content-Disposition") || ""
         ),
         a_tag = document.createElement("a");
+        if (filename_utf8_quoted) {
+          filename = filename_utf8_quoted;
+          filename[1] = decodeURI(filename[1]);
+        }
       /*jslint regexp: false */
 
       if (attachment.target.responseType !== "blob") {

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_form_js.xml

@@ -228,7 +228,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>976.34271.30288.29832</string> </value>
+                <value> <string>978.9875.57005.56541</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -246,7 +246,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1561044454.34</float>
+                        <float>1567358955.05</float>
                         <string>UTC</string>
                       </tuple>
                     </state>