// wrapper to call team() after page load
(function(j) {
var log = mkws.log;
+ var $ = j; // XXX
function handleNodeWithTeam(node, callback) {
// First branch for DOM objects; second branch for jQuery objects
}
+ 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 oldHTML = this.innerHTML;
var myTeam = mkws.teams[tname];
+ if (!myTeam) {
+ myTeam = mkws.teams[tname] = team(j, tname);
+ log("Made MKWS team '" + tname + "'");
+ }
+
+ var oldHTML = this.innerHTML;
var myWidget = widget(j, myTeam, type, this);
myTeam.addWidget(myWidget);
var newHTML = this.innerHTML;
}
}
- // Find all nodes with an MKWS class, and determine their team from
- // the mkwsTeam_* class. Make all team objects.
var then = $.now();
- $('[class^="mkws"],[class*=" mkws"]').each(function() {
- handleNodeWithTeam(this, function(tname, type) {
- if (!mkws.teams[tname]) {
- mkws.teams[tname] = team(j, tname);
- log("Made MKWS team '" + tname + "'");
- }
- });
- });
-
makeWidgetsWithin(1, $(':root'));
-
var now = $.now();
+
log("Walking MKWS nodes took " + (now-then) + " ms");
/*