the promotion function that's been registered for that type.
Once this has been done, the specialisations can be introduced. In
-this case, it's a very matter of changing the "maxrecs" configuration
-setting to 1 unless it's already been given an explicit value. (That
-would occur if the HTML used an element like <div class="mkwsRecord"
-maxrecs="2">, though it's not obvious why anyone would do that.)
+this case, it's a very simple matter of changing the "maxrecs"
+configuration setting to 1 unless it's already been given an explicit
+value. (That would occur if the HTML used an element like <div
+class="mkwsRecord" maxrecs="2">, though it's not obvious why anyone
+would do that.)
WIDGET PROPERTIES AND METHODS
}
+ function selectorForAllWidgets() {
+ if (mkws.config.scan_all_nodes) {
+ // This is the old version, which works by telling jQuery to
+ // find every node that has a class beginning with "mkws". In
+ // theory it should be slower than the class-based selector; but
+ // instrumentation suprisnigly shows this is consistently
+ // faster. It also has the advantage that any widgets of
+ // non-registered types are logged as warnings rather than
+ // silently ignored.
+ return '[class^="mkws"],[class*=" mkws"]';
+ } else {
+ // This is the new version, which works by looking up the
+ // specific classes of all registered widget types. Because all
+ // it requires jQuery to do is some hash lookups in pre-built
+ // tables, it should be very fast; but it silently ignores
+ // widgets of unregistered types.
+ var s = "";
+ for (var type in mkws.widgetType2function) {
+ if (s) s += ',';
+ s += '.mkws' + type;
+ }
+ return s;
+ }
+ }
+
+
function makeWidgetsWithin(level, node) {
- node.find('[class^="mkws"],[class*=" mkws"]').each(function() {
+ node.find(selectorForAllWidgets()).each(function() {
handleNodeWithTeam(this, function(tname, type) {
var myTeam = mkws.teams[tname];
if (!myTeam) {