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Fix #7061. Lazy-attach to the genuine submit event for delegation.

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Avoids the problems that arise when we try to trigger submit behavior at clicky-time.
This commit is contained in:
Dave Methvin 2011-09-21 21:15:00 -04:00
parent a588336a6d
commit a4cdbf09ee
1 changed files with 19 additions and 8 deletions
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27
src/event.js
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@ -721,7 +721,7 @@ jQuery.each({
}; };
}); });
// submit delegation // IE submit delegation
if ( !jQuery.support.submitBubbles ) { if ( !jQuery.support.submitBubbles ) {
jQuery.event.special.submit = { jQuery.event.special.submit = {
@ -731,23 +731,34 @@ if ( !jQuery.support.submitBubbles ) {
return false; return false;
} }
// Lazy-add a submit handler when a descendant form may potentially be submitted
jQuery.event.add( this, "click._submit keypress._submit", function( e ) { jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
// Node name check avoids a VML-related crash in IE (#9807)
var elem = e.target, var elem = e.target,
type = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.type : ""; form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
if ( form && !form._submit_attached ) {
// Do the elem.form check after type to avoid VML-related crash in IE (#9807) jQuery.event.add( form, "submit._submit", function( event ) {
if ( (e.type === "click" && (type === "submit" || type === "image") && elem.form) || // Form was submitted, bubble the event up the tree
(e.type === "keypress" && e.keyCode === 13 && (type === "text" || type === "password") && elem.form) ) { if ( this.parentNode ) {
simulate( "submit", this, e ); simulate( "submit", this.parentNode, event, true );
} }
}); });
form._submit_attached = true;
}
});
// return undefined since we don't need an event listener
}, },
teardown: function() { teardown: function() {
// Only need this for delegated form submit events
if ( jQuery.nodeName( this, "form" ) ) {
return false;
}
// Remove delegated handlers; cleanData eventually reaps submit handlers attached above
jQuery.event.remove( this, "._submit" ); jQuery.event.remove( this, "._submit" );
} }
}; };
} }
// IE change delegation and checkbox/radio fix // IE change delegation and checkbox/radio fix