+ },
+ update_info_db: function(yx, str) {
+ this.info_db[yx] = str;
+ if (tui.mode == 'study') {
+ tui.draw_info();
+ tui.refresh();
+ }
+ },
+ empty_info_db: function() {
+ this.info_db = {};
+ if (tui.mode == 'study') {
+ tui.draw_info();
+ tui.refresh();
+ }
+ },
+ query_info: function() {
+ server.send(["GET_ANNOTATION", unparser.to_yx(explorer.position)]);
+ },
+ get_info: function() {
+ if (this.position in this.info_db) {
+ return this.info_db[this.position];
+ } else {
+ return 'waiting …';
+ }
+ },
+ annotate: function(msg) {
+ if (msg.length == 0) {
+ msg = " "; // triggers annotation deletion
+ }
+ server.send(["ANNOTATE", unparser.to_yx(explorer.position), msg]);