Use of _bind, maintain original tabindex value for popup

This commit is contained in:
Hans Hillen 2011-06-10 11:42:43 +02:00
parent 6d01873dd8
commit 7ccb0e52c4

39
ui/jquery.ui.popup.js vendored
View File

@ -81,21 +81,20 @@ $.widget( "ui.popup", {
if ( !this.element.is( ":ui-menu" ) ) {
//default use case, wrap tab order in popup
this.element.bind( "keydown.ui-popup", function( event ) {
if ( event.keyCode !== $.ui.keyCode.TAB ) {
return;
}
var tabbables = $( ":tabbable", this ),
first = tabbables.first(),
last = tabbables.last();
if ( event.target === last[ 0 ] && !event.shiftKey ) {
first.focus( 1 );
return false;
} else if ( event.target === first[ 0 ] && event.shiftKey ) {
last.focus( 1 );
return false;
this._bind({ keydown : function( event ) {
if ( event.keyCode !== $.ui.keyCode.TAB ) {
return;
}
var tabbables = $( ":tabbable", this.element ),
first = tabbables.first(),
last = tabbables.last();
if ( event.target === last[ 0 ] && !event.shiftKey ) {
first.focus( 1 );
event.preventDefault();
} else if ( event.target === first[ 0 ] && event.shiftKey ) {
last.focus( 1 );
event.preventDefault();
}
}
});
}
@ -174,11 +173,13 @@ $.widget( "ui.popup", {
// set focus to the first tabbable element in the popup container
// if there are no tabbable elements, set focus on the popup itself
var tabbables = this.element.find( ":tabbable" );
this.removeTabIndex = false;
if ( !tabbables.length ) {
if ( !this.element.is(":tabbable") ) {
this.element.attr("tabindex", "0");
this.removeTabIndex = true;
}
tabbables.add(this.element);
tabbables = tabbables.add( this.element[ 0 ] );
}
tabbables.first().focus( 1 );
}
@ -195,8 +196,10 @@ $.widget( "ui.popup", {
.attr( "aria-hidden", true )
.attr( "aria-expanded", false );
this.options.trigger.attr("tabindex", 0);
this.options.trigger.attr( "tabindex" , 0 );
if ( this.removeTabIndex ) {
this.element.removeAttr( "tabindex" );
}
this.isOpen = false;
this._trigger( "close", event );
}