mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-12-07 06:14:24 +00:00
300 lines
7.8 KiB
JavaScript
300 lines
7.8 KiB
JavaScript
/*
|
|
* 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
|
|
*
|
|
*/
|
|
(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 = {
|
|
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 = {
|
|
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);
|