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Menubar: Refactored _next, _prev, _right and _left into a single method called _move and then created next and previous public methods that call _move. Very similar to how Menu handles keyboard interaction.

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This commit is contained in:
kborchers 2011-10-26 22:54:12 -05:00
parent 92c61b3507
commit e206e54935
1 changed files with 48 additions and 54 deletions
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102
ui/jquery.ui.menubar.js vendored
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@ -32,19 +32,21 @@ $.widget( "ui.menubar", {
},
_create: function() {
var that = this;
var items = this.items = this.element.children( this.options.items )
this.menuItems = this.element.children( this.options.items );
this.items = this.menuItems.children( "button, a" );
this.menuItems
.addClass( "ui-menubar-item" )
.attr( "role", "presentation" )
.children( "button, a" );
.attr( "role", "presentation" );
// let only the first item receive focus
items.slice(1).attr( "tabIndex", -1 );
this.items.slice(1).attr( "tabIndex", -1 );
this.element
.addClass( "ui-menubar ui-widget-header ui-helper-clearfix" )
.attr( "role", "menubar" );
this._focusable( items );
this._hoverable( items );
items.siblings( this.options.menuElement )
this._focusable( this.items );
this._hoverable( this.items );
this.items.siblings( this.options.menuElement )
.menu({
position: {
within: this.options.position.within
@ -69,16 +71,16 @@ $.widget( "ui.menubar", {
return;
switch ( event.keyCode ) {
case $.ui.keyCode.LEFT:
that._left( event );
that.previous( event );
event.preventDefault();
break;
case $.ui.keyCode.RIGHT:
that._right( event );
that.next( event );
event.preventDefault();
break;
};
});
items.each(function() {
this.items.each(function() {
var input = $(this),
// TODO menu var is only used on two places, doesn't quite justify the .each
menu = input.next( that.options.menuElement );
@ -112,11 +114,11 @@ $.widget( "ui.menubar", {
event.preventDefault();
break;
case $.ui.keyCode.LEFT:
that._prev( event, $( this ) );
that.previous( event );
event.preventDefault();
break;
case $.ui.keyCode.RIGHT:
that._next( event, $( this ) );
that.next( event );
event.preventDefault();
break;
}
@ -169,17 +171,16 @@ $.widget( "ui.menubar", {
},
_destroy : function() {
var items = this.element.children( this.options.items )
this.menuItems
.removeClass( "ui-menubar-item" )
.removeAttr( "role" )
.children( "button, a" );
.removeAttr( "role" );
this.element
.removeClass( "ui-menubar ui-widget-header ui-helper-clearfix" )
.removeAttr( "role" )
.unbind( ".menubar" );
items
this.items
.unbind( ".menubar" )
.removeClass( "ui-button ui-widget ui-button-text-only ui-menubar-link ui-state-default" )
.removeAttr( "role" )
@ -253,48 +254,41 @@ $.widget( "ui.menubar", {
this.open = true;
},
// TODO refactor this and the next three methods
_prev: function( event, button ) {
button.attr( "tabIndex", -1 );
var prev = button.parent().prevAll( this.options.items ).children( ".ui-button" ).eq( 0 );
if ( prev.length ) {
prev.removeAttr( "tabIndex" )[0].focus();
} else {
var lastItem = this.element.children( this.options.items ).last().children( ".ui-button:last" );
lastItem.removeAttr( "tabIndex" )[0].focus();
}
next: function( event ) {
this._move( "next", "first", event );
},
_next: function( event, button ) {
button.attr( "tabIndex", -1 );
var next = button.parent().nextAll( this.options.items ).children( ".ui-button" ).eq( 0 );
previous: function( event ) {
this._move( "prev", "last", event );
},
_move: function( direction, filter, event ) {
var next,
wrapItem;
if ( this.open ) {
next = this.active.closest( ".ui-menubar-item" )[ direction + "All" ]( this.options.items ).first().children( ".ui-menu" ).eq( 0 );
wrapItem = this.menuItems[ filter ]().children( ".ui-menu" ).eq( 0 );
} else {
if ( event ) {
next = $( event.target ).closest( ".ui-menubar-item" )[ direction + "All" ]( this.options.items ).children( ".ui-menubar-link" ).eq( 0 );
wrapItem = this.menuItems[ filter ]().children( ".ui-menubar-link" ).eq( 0 );
} else {
next = wrapItem = this.menuItems.children( "a" ).eq( 0 );
}
}
if ( next.length ) {
next.removeAttr( "tabIndex")[0].focus();
if ( this.open ) {
this._open( event, next );
} else {
next.removeAttr( "tabIndex")[0].focus();
}
} else {
var firstItem = this.element.children( this.options.items ).first().children( ".ui-button:first" );
firstItem.removeAttr( "tabIndex" )[0].focus();
}
},
// TODO rename to parent
_left: function( event ) {
var prev = this.active.parent().prevAll( this.options.items ).first().children( ".ui-menu" ).eq( 0 );
if ( prev.length ) {
this._open( event, prev );
} else {
var lastItem = this.element.children( this.options.items ).last().children( ".ui-menu:first" );
this._open( event, lastItem );
}
},
// TODO rename to child (or something like that)
_right: function( event ) {
var next = this.active.parent().nextAll( this.options.items ).first().children( ".ui-menu" ).eq( 0 );
if ( next.length ) {
this._open( event, next );
} else {
var firstItem = this.element.children( this.options.items ).first().children( ".ui-menu:first" );
this._open( event, firstItem );
if ( this.open ) {
this._open( event, wrapItem );
} else {
wrapItem.removeAttr( "tabIndex")[0].focus();
}
}
}
});