diff options
Diffstat (limited to 'ui/jquery.ui.popup.js')
-rw-r--r-- | ui/jquery.ui.popup.js | 122 |
1 files changed, 60 insertions, 62 deletions
diff --git a/ui/jquery.ui.popup.js b/ui/jquery.ui.popup.js index 7ccf0ff2e..9ea4d59e2 100644 --- a/ui/jquery.ui.popup.js +++ b/ui/jquery.ui.popup.js @@ -13,7 +13,7 @@ * jquery.ui.position.js */ (function($) { - + var idIncrement = 0; $.widget( "ui.popup", { @@ -27,34 +27,34 @@ $.widget( "ui.popup", { if ( !this.options.trigger ) { this.options.trigger = this.element.prev(); } - + if ( !this.element.attr( "id" ) ) { this.element.attr( "id", "ui-popup-" + idIncrement++ ); this.generatedId = true; } - + if ( !this.element.attr( "role" ) ) { // TODO alternatives to tooltip are dialog and menu, all three aren't generic popups this.element.attr( "role", "dialog" ); this.generatedRole = true; } - + this.options.trigger .attr( "aria-haspopup", true ) .attr( "aria-owns", this.element.attr( "id" ) ); - + this.element - .addClass("ui-popup") + .addClass( "ui-popup" ) this.close(); this._bind(this.options.trigger, { keydown: function( event ) { - // prevent space-to-open to scroll the page, only hapens for anchor ui.button - if ( this.options.trigger.is( "a:ui-button" ) && event.keyCode == $.ui.keyCode.SPACE) { - event.preventDefault() + // prevent space-to-open to scroll the page, only happens for anchor ui.button + if ( this.options.trigger.is( "a:ui-button" ) && event.keyCode == $.ui.keyCode.SPACE ) { + event.preventDefault(); } // TODO handle SPACE to open popup? only when not handled by ui.button - if ( event.keyCode == $.ui.keyCode.SPACE && this.options.trigger.is("a:not(:ui-button)") ) { + if ( event.keyCode == $.ui.keyCode.SPACE && this.options.trigger.is( "a:not(:ui-button)" ) ) { this.options.trigger.trigger( "click", event ); } // translate keydown to click @@ -78,8 +78,29 @@ $.widget( "ui.popup", { }, 1); } }); - - this._bind(this.element, { + + 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({ focusout: function( event ) { var that = this; // use a timer to allow click to clear it and letting that @@ -89,9 +110,8 @@ $.widget( "ui.popup", { }, 100); }, focusin: function( event ) { - var that = this; - clearTimeout( that.closeTimer ); - } + clearTimeout( this.closeTimer ); + } }); this._bind({ @@ -99,34 +119,35 @@ $.widget( "ui.popup", { // bind to document instead? // either element itself or a child should be focusable keyup: function( event ) { - if (event.keyCode == $.ui.keyCode.ESCAPE && this.element.is( ":visible" )) { + if ( event.keyCode == $.ui.keyCode.ESCAPE && this.element.is( ":visible" ) ) { this.close( event ); // TODO move this to close()? would allow menu.select to call popup.close, and get focus back to trigger this.options.trigger.focus(); } } }); - + this._bind(document, { click: function( event ) { - if (this.isOpen && !$(event.target).closest(".ui-popup").length) { + if ( this.isOpen && !$(event.target).closest(".ui-popup").length ) { this.close( event ); } } }) }, - + _destroy: function() { this.element .show() .removeClass( "ui-popup" ) .removeAttr( "aria-hidden" ) - .removeAttr( "aria-expanded" ); + .removeAttr( "aria-expanded" ) + .unbind( "keypress.ui-popup"); this.options.trigger .removeAttr( "aria-haspopup" ) .removeAttr( "aria-owns" ); - + if ( this.generatedId ) { this.element.removeAttr( "id" ); } @@ -134,7 +155,7 @@ $.widget( "ui.popup", { this.element.removeAttr( "role" ); } }, - + open: function( event ) { var position = $.extend( {}, { of: this.options.trigger @@ -144,46 +165,26 @@ $.widget( "ui.popup", { .show() .attr( "aria-hidden", false ) .attr( "aria-expanded", true ) - .position( position ); - - if (this.element.is(":ui-menu")) { //popup is a menu - this.element.focus(); - this.element.menu("focus", event, this.element.children( "li" ).first() ); + .position( position ); + + if (this.element.is( ":ui-menu" )) { //popup is a menu + this.element.menu( "focus", event, this.element.children( "li" ).first() ); this.element.focus(); - } - // TODO add other special use cases that differ from the default dialog style keyboard mechanism - else { - //default use case, popup could be anything (e.g. a form) - this.element - .bind( "keydown.ui-popup", function( event ) { - if ( event.keyCode !== $.ui.keyCode.TAB ) { - return; - } - var tabbables = $( ":tabbable", this ), - first = tabbables.filter( ":first" ), - last = tabbables.filter( ":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; - } - }); - + } else { // 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" ); - if (!tabbables.length) { - this.element.attr("tabindex", "0"); - tabbables.add(this.element); - } - tabbables.eq( 0 ).focus(1); + // if there are no tabbable elements, set focus on the popup itself + var tabbables = this.element.find( ":tabbable" ); + if ( !tabbables.length ) { + if ( !this.element.is(":tabbable") ) { + this.element.attr("tabindex", "0"); + } + tabbables.add(this.element); + } + tabbables.first().focus( 1 ); } - - // take trigger out of tab order to allow shift-tab to skip trigger - this.options.trigger.attr("tabindex", -1); + // take trigger out of tab order to allow shift-tab to skip trigger + this.options.trigger.attr( "tabindex", -1 ); this.isOpen = true; this._trigger( "open", event ); }, @@ -192,16 +193,13 @@ $.widget( "ui.popup", { this.element .hide() .attr( "aria-hidden", true ) - .attr( "aria-expanded", false ) - .unbind( "keypress.ui-popup"); + .attr( "aria-expanded", false ); this.options.trigger.attr("tabindex", 0); this.isOpen = false; this._trigger( "close", event ); } - - }); }(jQuery)); |