diff options
Diffstat (limited to 'ui/ui.core.js')
| -rw-r--r-- | ui/ui.core.js | 276 |
1 files changed, 146 insertions, 130 deletions
diff --git a/ui/ui.core.js b/ui/ui.core.js index 1940385d1..de628a94d 100644 --- a/ui/ui.core.js +++ b/ui/ui.core.js @@ -10,61 +10,6 @@ ;(function($) { /** jQuery core modifications and additions **/ - -var _remove = $.fn.remove; -$.fn.remove = function() { - // Safari has a native remove event which actually removes DOM elements, - // so we have to use triggerHandler instead of trigger (#3037). - $("*", this).add(this).each(function() { - $(this).triggerHandler("remove"); - }); - return _remove.apply(this, arguments ); -}; - -function isVisible(element) { - function checkStyles(element) { - var style = element.style; - return (style.display != 'none' && style.visibility != 'hidden'); - } - - var visible = checkStyles(element); - - (visible && $.each($.dir(element, 'parentNode'), function() { - return (visible = checkStyles(this)); - })); - - return visible; -} - -$.extend($.expr[':'], { - data: function(a, i, m) { - return $.data(a, m[3]); - }, - - // TODO: add support for object, area - tabbable: function(a, i, m) { - var nodeName = a.nodeName.toLowerCase(); - - return ( - // in tab order - a.tabIndex >= 0 && - - ( // filter node types that participate in the tab order - - // anchor tag - ('a' == nodeName && a.href) || - - // enabled form element - (/input|select|textarea|button/.test(nodeName) && - 'hidden' != a.type && !a.disabled) - ) && - - // visible on page - isVisible(a) - ); - } -}); - $.keyCode = { BACKSPACE: 8, CAPS_LOCK: 20, @@ -94,9 +39,103 @@ $.keyCode = { UP: 38 }; -// WAI-ARIA Semantics +//Temporary mappings +var _remove = $.fn.remove; var isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9); + + +//Helper functions and ui object +$.ui = { + + version: "@VERSION", + + // $.ui.plugin is deprecated. Use the proxy pattern instead. + plugin: { + add: function(module, option, set) { + var proto = $.ui[module].prototype; + for(var i in set) { + proto.plugins[i] = proto.plugins[i] || []; + proto.plugins[i].push([option, set[i]]); + } + }, + call: function(instance, name, args) { + var set = instance.plugins[name]; + if(!set) { return; } + + for (var i = 0; i < set.length; i++) { + if (instance.options[set[i][0]]) { + set[i][1].apply(instance.element, args); + } + } + } + }, + + cssCache: {}, + css: function(name) { + if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; } + var tmp = $('<div class="ui-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body'); + + //if (!$.browser.safari) + //tmp.appendTo('body'); + + //Opera and Safari set width and height to 0px instead of auto + //Safari returns rgba(0,0,0,0) when bgcolor is not set + $.ui.cssCache[name] = !!( + (!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || + !(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor'))) + ); + try { $('body').get(0).removeChild(tmp.get(0)); } catch(e){} + return $.ui.cssCache[name]; + }, + + hasScroll: function(e, a) { + + //If overflow is hidden, the element might have extra content, but the user wants to hide it + if ($(e).css('overflow') == 'hidden') { return false; } + + var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop', + has = false; + + if (e[scroll] > 0) { return true; } + + // TODO: determine which cases actually cause this to happen + // if the element doesn't have the scroll set, see if it's possible to + // set the scroll + e[scroll] = 1; + has = (e[scroll] > 0); + e[scroll] = 0; + return has; + } +}; + + +//jQuery plugins $.fn.extend({ + + remove: function() { + // Safari has a native remove event which actually removes DOM elements, + // so we have to use triggerHandler instead of trigger (#3037). + $("*", this).add(this).each(function() { + $(this).triggerHandler("remove"); + }); + return _remove.apply(this, arguments ); + }, + + enableSelection: function() { + return this + .attr('unselectable', 'off') + .css('MozUserSelect', '') + .unbind('selectstart.ui'); + }, + + disableSelection: function() { + return this + .attr('unselectable', 'on') + .css('MozUserSelect', 'none') + .bind('selectstart.ui', function() { return false; }); + }, + + // WAI-ARIA Semantics ariaRole: function(role) { return (role !== undefined @@ -121,8 +160,59 @@ $.fn.extend({ // getter : this.attr(isFF2 ? "aaa:" + state : "aria-" + state)); } + +}); + + +//Additional selectors +$.extend($.expr[':'], { + + data: function(a, i, m) { + return $.data(a, m[3]); + }, + + // TODO: add support for object, area + tabbable: function(a, i, m) { + + var nodeName = a.nodeName.toLowerCase(); + var isVisible = function(element) { + function checkStyles(element) { + var style = element.style; + return (style.display != 'none' && style.visibility != 'hidden'); + } + + var visible = checkStyles(element); + + (visible && $.each($.dir(element, 'parentNode'), function() { + return (visible = checkStyles(this)); + })); + + return visible; + }; + + return ( + // in tab order + a.tabIndex >= 0 && + + ( // filter node types that participate in the tab order + + // anchor tag + ('a' == nodeName && a.href) || + + // enabled form element + (/input|select|textarea|button/.test(nodeName) && + 'hidden' != a.type && !a.disabled) + ) && + + // visible on page + isVisible(a) + ); + + } + }); + // $.widget is a factory to create jQuery plugins // taking some boilerplate code out of the plugin code // created by Scott González and Jörn Zaefferer @@ -265,80 +355,6 @@ $.widget.defaults = { }; -/** jQuery UI core **/ - -$.ui = { - version: "@VERSION", - // $.ui.plugin is deprecated. Use the proxy pattern instead. - plugin: { - add: function(module, option, set) { - var proto = $.ui[module].prototype; - for(var i in set) { - proto.plugins[i] = proto.plugins[i] || []; - proto.plugins[i].push([option, set[i]]); - } - }, - call: function(instance, name, args) { - var set = instance.plugins[name]; - if(!set) { return; } - - for (var i = 0; i < set.length; i++) { - if (instance.options[set[i][0]]) { - set[i][1].apply(instance.element, args); - } - } - } - }, - cssCache: {}, - css: function(name) { - if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; } - var tmp = $('<div class="ui-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body'); - - //if (!$.browser.safari) - //tmp.appendTo('body'); - - //Opera and Safari set width and height to 0px instead of auto - //Safari returns rgba(0,0,0,0) when bgcolor is not set - $.ui.cssCache[name] = !!( - (!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || - !(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor'))) - ); - try { $('body').get(0).removeChild(tmp.get(0)); } catch(e){} - return $.ui.cssCache[name]; - }, - disableSelection: function(el) { - return $(el) - .attr('unselectable', 'on') - .css('MozUserSelect', 'none') - .bind('selectstart.ui', function() { return false; }); - }, - enableSelection: function(el) { - return $(el) - .attr('unselectable', 'off') - .css('MozUserSelect', '') - .unbind('selectstart.ui'); - }, - hasScroll: function(e, a) { - - //If overflow is hidden, the element might have extra content, but the user wants to hide it - if ($(e).css('overflow') == 'hidden') { return false; } - - var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop', - has = false; - - if (e[scroll] > 0) { return true; } - - // TODO: determine which cases actually cause this to happen - // if the element doesn't have the scroll set, see if it's possible to - // set the scroll - e[scroll] = 1; - has = (e[scroll] > 0); - e[scroll] = 0; - return has; - } -}; - - /** Mouse Interaction Plugin **/ $.ui.mouse = { |