--- /dev/null
+/*
+ * 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
+ *
+ * You will have to inject remote javascript in Koha intranetuserjs using:
+
+// inject JavaScript RFID support
+$.getScript('http://localhost:9000/examples/koha-rfid.js');
+
+ */
+
+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 ) // insert last in language bar on bottom
+ span = $('ul#i18nMenu').append('<li><span id=rfid>RFID reader found<span>');
+
+ if ( span.size() == 0 ) // or before login on top
+ span = $('div#login').prepend('<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.length == 0 ) { // empty tag
+
+ span.text( t.sid + ' empty' ).css('color', 'red' );
+
+ } else if ( t.content.substr(0,3) == '130' ) { // books
+
+ 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);
+});