Support scoped selection of jquery nodes; support cross-metalevel jquery
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@ -1,35 +1,46 @@
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// JQuery event driver
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function spawnJQueryDriver() {
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var d = new DemandMatcher(["jQuery", __, __, __]);
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function spawnJQueryDriver(baseSelector, metaLevel) {
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metaLevel = metaLevel || 0;
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var d = new DemandMatcher(["jQuery", __, __, __], metaLevel);
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d.onDemandIncrease = function (r) {
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var selector = r.pattern[1];
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var eventName = r.pattern[2];
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World.spawn(new JQueryEventRouter(selector, eventName),
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[pub(["jQuery", selector, eventName, __]),
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pub(["jQuery", selector, eventName, __], 0, 1)]);
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World.spawn(new JQueryEventRouter(baseSelector, selector, eventName, metaLevel),
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[pub(["jQuery", selector, eventName, __], metaLevel),
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pub(["jQuery", selector, eventName, __], metaLevel, 1)]);
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};
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World.spawn(d);
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}
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function JQueryEventRouter(selector, eventName) {
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function JQueryEventRouter(baseSelector, selector, eventName, metaLevel) {
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var self = this;
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this.baseSelector = baseSelector || null;
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this.selector = selector;
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this.eventName = eventName;
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this.metaLevel = metaLevel || 0;
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this.preventDefault = (this.eventName.charAt(0) !== "+");
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this.handler =
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World.wrap(function (e) {
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World.send(["jQuery", self.selector, self.eventName, e]);
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World.send(["jQuery", self.selector, self.eventName, e], self.metaLevel);
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if (self.preventDefault) e.preventDefault();
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return !self.preventDefault;
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});
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$(this.selector).on(this.preventDefault ? this.eventName : this.eventName.substring(1),
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this.computeNodes().on(this.preventDefault ? this.eventName : this.eventName.substring(1),
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this.handler);
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}
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JQueryEventRouter.prototype.handleEvent = function (e) {
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if (e.type === "routes" && e.routes.length === 0) {
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$(this.selector).off(this.eventName, this.handler);
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this.computeNodes().off(this.eventName, this.handler);
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World.exit();
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}
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};
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JQueryEventRouter.prototype.computeNodes = function () {
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if (this.baseSelector) {
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return $(this.baseSelector).children(this.selector).addBack(this.selector);
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} else {
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return $(this.selector);
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}
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};
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