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Support scoped selection of jquery nodes; support cross-metalevel jquery

This commit is contained in:
Tony Garnock-Jones 2014-02-28 09:46:21 -05:00
parent 5f384f5d35
commit 0054254aed
1 changed files with 21 additions and 10 deletions
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31
jquery-driver.js vendored
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@ -1,35 +1,46 @@
// JQuery event driver
function spawnJQueryDriver() {
var d = new DemandMatcher(["jQuery", __, __, __]);
function spawnJQueryDriver(baseSelector, metaLevel) {
metaLevel = metaLevel || 0;
var d = new DemandMatcher(["jQuery", __, __, __], metaLevel);
d.onDemandIncrease = function (r) {
var selector = r.pattern[1];
var eventName = r.pattern[2];
World.spawn(new JQueryEventRouter(selector, eventName),
[pub(["jQuery", selector, eventName, __]),
pub(["jQuery", selector, eventName, __], 0, 1)]);
World.spawn(new JQueryEventRouter(baseSelector, selector, eventName, metaLevel),
[pub(["jQuery", selector, eventName, __], metaLevel),
pub(["jQuery", selector, eventName, __], metaLevel, 1)]);
};
World.spawn(d);
}
function JQueryEventRouter(selector, eventName) {
function JQueryEventRouter(baseSelector, selector, eventName, metaLevel) {
var self = this;
this.baseSelector = baseSelector || null;
this.selector = selector;
this.eventName = eventName;
this.metaLevel = metaLevel || 0;
this.preventDefault = (this.eventName.charAt(0) !== "+");
this.handler =
World.wrap(function (e) {
World.send(["jQuery", self.selector, self.eventName, e]);
World.send(["jQuery", self.selector, self.eventName, e], self.metaLevel);
if (self.preventDefault) e.preventDefault();
return !self.preventDefault;
});
$(this.selector).on(this.preventDefault ? this.eventName : this.eventName.substring(1),
this.handler);
this.computeNodes().on(this.preventDefault ? this.eventName : this.eventName.substring(1),
this.handler);
}
JQueryEventRouter.prototype.handleEvent = function (e) {
if (e.type === "routes" && e.routes.length === 0) {
$(this.selector).off(this.eventName, this.handler);
this.computeNodes().off(this.eventName, this.handler);
World.exit();
}
};
JQueryEventRouter.prototype.computeNodes = function () {
if (this.baseSelector) {
return $(this.baseSelector).children(this.selector).addBack(this.selector);
} else {
return $(this.selector);
}
};