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Diffstat (limited to 'ui/ui.accordion.js')
| -rw-r--r-- | ui/ui.accordion.js | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/ui/ui.accordion.js b/ui/ui.accordion.js new file mode 100644 index 000000000..7ba499d49 --- /dev/null +++ b/ui/ui.accordion.js @@ -0,0 +1,302 @@ +/* + * jQuery UI Accordion + * + * Copyright (c) 2007, 2008 Jörn Zaefferer + * Dual licensed under the MIT (MIT-LICENSE.txt) + * and GPL (GPL-LICENSE.txt) licenses. + * + * http://docs.jquery.com/UI/Accordion + * + * Depends: + * ui.core.js + * + * Revision: $Id: ui.accordion.js 5656 2008-05-21 19:35:33Z braeker $ + */ +(function($) { + +$.widget("ui.accordion", { + init: function() { + var options = this.options; + + if ( options.navigation ) { + var current = this.element.find("a").filter(options.navigationFilter); + if ( current.length ) { + if ( current.filter(options.header).length ) { + options.active = current; + } else { + options.active = current.parent().parent().prev(); + current.addClass("current"); + } + } + } + + // calculate active if not specified, using the first header + options.headers = this.element.find(options.header); + options.active = findActive(options.headers, options.active); + + // IE7-/Win - Extra vertical space in Lists fixed + if ($.browser.msie) { + this.element.find('a').css('zoom', '1'); + } + + if (!this.element.hasClass("ui-accordion")) { + this.element.addClass("ui-accordion"); + $("<span class='ui-accordion-left'/>").insertBefore(options.headers); + $("<span class='ui-accordion-right'/>").appendTo(options.headers); + options.headers.addClass("ui-accordion-header").attr("tabindex", "0"); + } + + var maxHeight; + if ( options.fillSpace ) { + maxHeight = this.element.parent().height(); + options.headers.each(function() { + maxHeight -= $(this).outerHeight(); + }); + var maxPadding = 0; + options.headers.next().each(function() { + maxPadding = Math.max(maxPadding, $(this).innerHeight() - $(this).height()); + }).height(maxHeight - maxPadding); + } else if ( options.autoHeight ) { + maxHeight = 0; + options.headers.next().each(function() { + maxHeight = Math.max(maxHeight, $(this).outerHeight()); + }).height(maxHeight); + } + + options.headers + .not(options.active || "") + .next() + .hide(); + options.active.parent().andSelf().addClass(options.selectedClass); + + if (options.event) { + this.element.bind((options.event) + ".accordion", clickHandler); + } + }, + activate: function(index) { + // call clickHandler with custom event + clickHandler.call(this.element[0], { + target: findActive( this.options.headers, index )[0] + }); + }, + destroy: function() { + this.options.headers.next().css("display", ""); + if ( this.options.fillSpace || this.options.autoHeight ) { + this.options.headers.next().css("height", ""); + } + $.removeData(this.element[0], "accordion"); + this.element.removeClass("ui-accordion").unbind(".accordion"); + } +}); + +function scopeCallback(callback, scope) { + return function() { + return callback.apply(scope, arguments); + }; +}; + +function completed(cancel) { + // if removed while animated data can be empty + if (!$.data(this, "accordion")) { + return; + } + + var instance = $.data(this, "accordion"); + var options = instance.options; + options.running = cancel ? 0 : --options.running; + if ( options.running ) { + return; + } + if ( options.clearStyle ) { + options.toShow.add(options.toHide).css({ + height: "", + overflow: "" + }); + } + $(this).triggerHandler("accordionchange", [options.data], options.change); +} + +function toggle(toShow, toHide, data, clickedActive, down) { + var options = $.data(this, "accordion").options; + options.toShow = toShow; + options.toHide = toHide; + options.data = data; + var complete = scopeCallback(completed, this); + + // count elements to animate + options.running = toHide.size() === 0 ? toShow.size() : toHide.size(); + + if ( options.animated ) { + if ( !options.alwaysOpen && clickedActive ) { + $.ui.accordion.animations[options.animated]({ + toShow: jQuery([]), + toHide: toHide, + complete: complete, + down: down, + autoHeight: options.autoHeight + }); + } else { + $.ui.accordion.animations[options.animated]({ + toShow: toShow, + toHide: toHide, + complete: complete, + down: down, + autoHeight: options.autoHeight + }); + } + } else { + if ( !options.alwaysOpen && clickedActive ) { + toShow.toggle(); + } else { + toHide.hide(); + toShow.show(); + } + complete(true); + } +} + +function clickHandler(event) { + var options = $.data(this, "accordion").options; + if (options.disabled) { + return false; + } + + // called only when using activate(false) to close all parts programmatically + if ( !event.target && !options.alwaysOpen ) { + options.active.parent().andSelf().toggleClass(options.selectedClass); + var toHide = options.active.next(), + data = { + instance: this, + options: options, + newHeader: jQuery([]), + oldHeader: options.active, + newContent: jQuery([]), + oldContent: toHide + }, + toShow = (options.active = $([])); + toggle.call(this, toShow, toHide, data ); + return false; + } + // get the click target + var clicked = $(event.target); + + // due to the event delegation model, we have to check if one + // of the parent elements is our actual header, and find that + if ( clicked.parents(options.header).length ) { + while ( !clicked.is(options.header) ) { + clicked = clicked.parent(); + } + } + + var clickedActive = clicked[0] == options.active[0]; + + // if animations are still active, or the active header is the target, ignore click + if (options.running || (options.alwaysOpen && clickedActive)) { + return false; + } + if (!clicked.is(options.header)) { + return; + } + + // switch classes + options.active.parent().andSelf().toggleClass(options.selectedClass); + if ( !clickedActive ) { + clicked.parent().andSelf().addClass(options.selectedClass); + } + + // find elements to show and hide + var toShow = clicked.next(), + toHide = options.active.next(), + //data = [clicked, options.active, toShow, toHide], + data = { + instance: this, + options: options, + newHeader: clicked, + oldHeader: options.active, + newContent: toShow, + oldContent: toHide + }, + down = options.headers.index( options.active[0] ) > options.headers.index( clicked[0] ); + + options.active = clickedActive ? $([]) : clicked; + toggle.call(this, toShow, toHide, data, clickedActive, down ); + + return false; +}; + +function findActive(headers, selector) { + return selector != undefined + ? typeof selector == "number" + ? headers.filter(":eq(" + selector + ")") + : headers.not(headers.not(selector)) + : selector === false + ? $([]) + : headers.filter(":eq(0)"); +} + +$.extend($.ui.accordion, { + defaults: { + selectedClass: "selected", + alwaysOpen: true, + animated: 'slide', + event: "click", + header: "a", + autoHeight: true, + running: 0, + navigationFilter: function() { + return this.href.toLowerCase() == location.href.toLowerCase(); + } + }, + animations: { + slide: function(options, additions) { + options = $.extend({ + easing: "swing", + duration: 300 + }, options, additions); + if ( !options.toHide.size() ) { + options.toShow.animate({height: "show"}, options); + return; + } + var hideHeight = options.toHide.height(), + showHeight = options.toShow.height(), + difference = showHeight / hideHeight; + options.toShow.css({ height: 0, overflow: 'hidden' }).show(); + options.toHide.filter(":hidden").each(options.complete).end().filter(":visible").animate({height:"hide"},{ + step: function(now) { + var current = (hideHeight - now) * difference; + if ($.browser.msie || $.browser.opera) { + current = Math.ceil(current); + } + options.toShow.height( current ); + }, + duration: options.duration, + easing: options.easing, + complete: function() { + if ( !options.autoHeight ) { + options.toShow.css("height", "auto"); + } + options.complete(); + } + }); + }, + bounceslide: function(options) { + this.slide(options, { + easing: options.down ? "bounceout" : "swing", + duration: options.down ? 1000 : 200 + }); + }, + easeslide: function(options) { + this.slide(options, { + easing: "easeinout", + duration: 700 + }); + } + } +}); + +// deprecated, use accordion("activate", index) instead +$.fn.activate = function(index) { + return this.accordion("activate", index); +}; + +})(jQuery); |