Merge branch 'master' of github.com:dpavlin/RFID-Biblio

diff --git a/examples/koha-rfid.js b/examples/koha-rfid.js
new file mode 100644 (file)
index 0000000..dd9b470
--- /dev/null
+++ b/examples/koha-rfid.js
@@ -0,0 +1,102 @@
+/*
+ * RFID support for Koha
+ *
+ * Writtern by Dobrica Pavlinusic <dpavlin@rot13.org> under GPL v2 or later
+ *
+ * This provides example how to intergrate JSONP interface from
+ *
+ * scripts/RFID-JSONP-server.pl
+ *
+ * to provide overlay for tags in range and emulate form fill for Koha Library System
+ * which allows check-in and checkout-operations without touching html interface
+ */
+
+function barcode_on_screen(barcode) {
+       var found = 0;
+       $('table tr td a:contains(130)').each( function(i,o) {
+               var possible = $(o).text();
+console.debug(i,o,possible, barcode);
+               if ( possible == barcode ) found++;
+       })
+       return found;
+}
+
+function rfid_secure(barcode,sid,val) {
+       console.debug('rfid_secure', barcode, sid, val);
+       if ( barcode_on_screen(barcode) ) 
+               $.getJSON( 'http://localhost:9000/secure.js?' + sid + '=' + val + ';callback=?' )
+}
+
+var rfid_reset_field = false;
+
+function rfid_scan(data,textStatus) {
+//     console.debug( 'rfid_scan', data, textStatus );
+
+       var span = $('span#rfid');
+       if ( span.size() == 0 ) {
+               $('ul#i18nMenu').append('<li><span id=rfid>RFID reader found<span>');
+               span = $('span#rfid');
+       }
+
+       if ( data.tags ) {
+               if ( data.tags.length === 1 ) {
+                       var t = data.tags[0];
+//                     if ( span.text() != t.content ) {
+                       if ( 1 ) { // force update of security
+
+                               var url = document.location.toString();
+                               var circulation = url.substr(-14,14) == 'circulation.pl';
+                               var returns = url.substr(-10,10) == 'returns.pl';
+
+                               if ( t.content.substr(0,3) == '130' ) {
+
+                                       if ( circulation )
+                                                rfid_secure( t.content, t.sid, 'D7' );
+                                       if ( returns )
+                                                rfid_secure( t.content, t.sid, 'DA' );
+
+                                       var color = 'blue';
+                                       if ( t.security.toUpperCase() == 'DA' ) color = 'red';
+                                       if ( t.security.toUpperCase() == 'D7' ) color = 'green';
+                                       span.text( t.content ).css('color', color);
+
+                                       if ( ! barcode_on_screen( t.content ) ) {
+                                               rfid_reset_field = 'barcode';
+                                               var i = $('input[name=barcode]:last');
+                                               if ( i.val() != t.content ) 
+                                                       i.val( t.content )
+                                                       .closest('form').submit();
+                                       }
+
+                               } else {
+                                       span.text( t.content ).css('color', 'blue' );
+
+                                       if ( url.substr(-14,14) != 'circulation.pl' || $('form[name=mainform]').size() == 0 ) {
+                                               rfid_reset_field = 'findborrower';
+                                               $('input[name=findborrower]').val( t.content )
+                                                       .parent().submit();
+                                       }
+                               }
+                       }
+               } else {
+                       var error = data.tags.length + ' tags near reader: ';
+                       $.each( data.tags, function(i,tag) { error += tag.content + ' '; } );
+                       span.text( error ).css( 'color', 'red' );
+               }
+
+       } else {
+               span.text( 'no tags in range' ).css('color','gray');
+               if ( rfid_reset_field ) {
+                       $('input[name='+rfid_reset_field+']').val( '' );
+                       rfid_reset_field = false;
+               }
+       }
+
+       window.setTimeout( function() {
+               $.getJSON("http://localhost:9000/scan?callback=?", rfid_scan);
+       }, 1000 ); // 1000ms
+}
+
+$(document).ready( function() {
+       $.getJSON("http://localhost:9000/scan?callback=?", rfid_scan);
+});