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Made it so that you can pass in an event object to the trigger data args and it'll override the custom event object (this way you can pass in the event object of a mousemove to a drag event trigger, for example).

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This commit is contained in:
John Resig 2007-08-30 16:34:34 +00:00
parent 042a46386a
commit 5c19701a89
2 changed files with 33 additions and 8 deletions
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9
src/event/event.js
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@ -134,9 +134,12 @@ jQuery.event = {
// Handle triggering a single element
} else {
var val, ret, fn = jQuery.isFunction( element[ type ] || null );
var val, ret, fn = jQuery.isFunction( element[ type ] || null ),
// Check to see if we need to provide a fake event, or not
evt = !data[0] || !data[0].preventDefault;
// Pass along a fake event
if ( evt )
data.unshift( this.fix({ type: type, target: element }) );
// Trigger the event
@ -147,6 +150,10 @@ jQuery.event = {
if ( !fn && element["on"+type] && element["on"+type].apply( element, data ) === false )
val = false;
// Extra functions don't get the custom event object
if ( evt )
data.shift();
// Handle triggering of extra function
if ( extra && extra.apply( element, data ) === false )
val = false;

30
src/event/eventTest.js
View file

@ -93,8 +93,8 @@ test("unbind(event)", function() {
ok( !el[0].$events, "Removed the events expando after all handlers are unbound." );
});
test("trigger(event, [data]", function() {
expect(28);
test("trigger(event, [data], [fn])", function() {
expect(40);
var handler = function(event, a, b, c) {
equals( event.type, "click", "check passed data" );
@ -104,6 +104,13 @@ test("trigger(event, [data]", function() {
return "test";
};
var handler2 = function(a, b, c) {
equals( a, 1, "check passed data" );
equals( b, "2", "check passed data" );
equals( c, "abc", "check passed data" );
return "test2";
};
// Simulate a "native" click
$("#firstp")[0].click = function(){
ok( true, "Native call was triggered" );
@ -114,8 +121,8 @@ test("trigger(event, [data]", function() {
$("#firstp").bind("click", handler).trigger("click", [1, "2", "abc"]);
// Triggers handlers, native, and extra fn
// Triggers 9
$("#firstp").trigger("click", [1, "2", "abc"], handler);
// Triggers 8
$("#firstp").trigger("click", [1, "2", "abc"], handler2);
// Simulate a "native" click
$("#firstp")[0].click = function(){
@ -123,12 +130,23 @@ test("trigger(event, [data]", function() {
};
// Trigger only the handlers (no native)
// Triggers 4
// Triggers 5
equals( $("#firstp").triggerHandler("click", [1, "2", "abc"]), "test", "Verify handler response" );
// Trigger only the handlers (no native) and extra fn
// Triggers 8
equals( $("#firstp").triggerHandler("click", [1, "2", "abc"], handler), "test", "Verify handler response" );
equals( $("#firstp").triggerHandler("click", [1, "2", "abc"], handler2), "test", "Verify handler response" );
// Build fake click event to pass in
var eventObj = jQuery.event.fix({ type: "click", target: document.body });
// Trigger only the handlers (no native), with external event obj
// Triggers 5
equals( $("#firstp").triggerHandler("foo", [eventObj, 1, "2", "abc"]), "test", "Verify handler response" );
// Trigger only the handlers (no native) and extra fn, with external event obj
// Triggers 9
equals( $("#firstp").triggerHandler("foo", [eventObj, 1, "2", "abc"], handler), "test", "Verify handler response" );
});
test("toggle(Function, Function)", function() {