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	Commit message (Expand)	Author	Age	Files	Lines
*	Git LFS support v2 (#122)	Fabian Zaremba	2016-12-26	18	-0/+1515

generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 15:39:03 +0000

/*
 * jQuery UI Accordion @VERSION
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * 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($) {

var widgetName = "accordion";
var classWidgetName = ".accordion";

$.widget("ui.accordion", {

	_init: function() {
		var options = this.options;

		// update widgetName with the name given by the widget factory
		widgetName = this.widgetName;
		classWidgetName = '.' + widgetName;

		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("ui-accordion-current");
				}
			}
		}

		this.element.addClass("ui-accordion ui-widget ui-helper-reset");
		var groups = this.element.children().addClass("ui-accordion-group");
		var headers = options.headers = groups.find("> :first-child").addClass("ui-accordion-header ui-helper-reset ui-state-default ui-corner-all")
		.bind("mouseenter." + widgetName, function(){ $(this).addClass('ui-state-hover'); })
		.bind("mouseleave." + widgetName, function(){ $(this).removeClass('ui-state-hover'); });
		// wrap content elements in div against animation issues
		headers.next().wrap("<div></div>").addClass("ui-accordion-content").parent().addClass("ui-accordion-content-wrap ui-helper-reset ui-widget-content ui-corner-bottom");

		var active = options.active = findActive(headers, options.active).toggleClass("ui-state-default").toggleClass("ui-state-active").toggleClass("ui-corner-all").toggleClass("ui-corner-top");
		active.parent().addClass(options.selectedClass);
		$("<span/>").addClass("ui-icon " + this.options.icons.header).prependTo(headers);
		active.find(".ui-icon").toggleClass(this.options.icons.header).toggleClass(this.options.icons.headerSelected);

		// IE7-/Win - Extra vertical space in Lists fixed
		if ($.browser.msie) {
			this.element.find('a').css('zoom', '1');
		}

		this.resize();

		this.element.attr('role','tablist');

		var self=this;
		options.headers
			.attr('role','tab')
			.bind('keydown', function(event) { return self._keydown(event); })
			.next()
			.attr('role','tabpanel');

		options.headers
			.not(options.active || "")
			.attr('aria-expanded','false')
			.attr("tabIndex", "-1")
			.next()
			.hide();

		// make sure at least one header is in the tab order
		if (!options.active.length) {
			options.headers.eq(0).attr('tabIndex','0');
		} else {
			options.active
				.attr('aria-expanded','true')
				.attr("tabIndex", "0");
		}

		// only need links in taborder for Safari
		if (!$.browser.safari)
			options.headers.find('a').attr('tabIndex','-1');

		if (options.event) {
			this.element.bind((options.event) + classWidgetName, clickHandler);
		}
	},

	destroy: function() {
		this.element.removeClass("ui-accordion ui-widget ui-helper-reset").removeAttr("role").unbind(classWidgetName);
		$.removeData(this.element[0], widgetName);
		var groups = this.element.children().removeClass("ui-accordion-group "+this.options.selectedClass);
		var headers = this.options.headers.unbind(classWidgetName).removeClass("ui-accordion-header ui-helper-reset ui-state-default ui-corner-all ui-state-active ui-corner-top")
			.removeAttr("role").removeAttr("aria-expanded").removeAttr("tabindex");
		headers.find("a").removeAttr("tabindex");
		headers.children(".ui-icon").remove();
		headers.next().children().removeClass("ui-accordion-content").each(function(){
			$(this).parent().replaceWith(this);
		})
	},

	_keydown: function(event) {
		if (this.options.disabled || event.altKey || event.ctrlKey)
			return;

		var keyCode = $.ui.keyCode;

		var length = this.options.headers.length;
		var currentIndex = this.options.headers.index(event.target);
		var toFocus = false;

		switch(event.keyCode) {
			case keyCode.RIGHT:
			case keyCode.DOWN:
				toFocus = this.options.headers[(currentIndex + 1) % length];
				break;
			case keyCode.LEFT:
			case keyCode.UP:
				toFocus = this.options.headers[(currentIndex - 1 + length) % length];
				break;
			case keyCode.SPACE:
			case keyCode.ENTER:
				return clickHandler.call(this.element[0], { target: event.target });
		}

		if (toFocus) {
			$(event.target).attr('tabIndex','-1');
			$(toFocus).attr('tabIndex','0');
			toFocus.focus();
			return false;
		}

		return true;
	},

	resize: function() {
		var options = this.options,
			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)
			.css('overflow', 'auto');
		} else if ( options.autoHeight ) {
			maxHeight = 0;
			options.headers.next().each(function() {
				maxHeight = Math.max(maxHeight, $(this).outerHeight());
			}).height(maxHeight);
		}
	},

	activate: function(index) {
		// call clickHandler with custom event
		clickHandler.call(this.element[0], {
			target: findActive( this.options.headers, index )[0]
		});
	}

});

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, widgetName)) {
		return;
	}

	var instance = $.data(this, widgetName);
	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: ""
		});
	}
	instance._trigger('change', null, options.data);
}

function toggle(toShow, toHide, data, clickedActive, down) {
	var options = $.data(this, widgetName).options;
	options.toShow = toShow;
	options.toHide = toHide;
	options.data = data;
	var complete = scopeCallback(completed, this);

	$.data(this, widgetName)._trigger("changestart", null, options.data);

	// count elements to animate
	options.running = toHide.size() === 0 ? toShow.size() : toHide.size();

	if ( options.animated ) {
		var animOptions = {};

		if ( !options.alwaysOpen && clickedActive ) {
			animOptions = {
				toShow: $([]),
				toHide: toHide,
				complete: complete,
				down: down,
				autoHeight: options.autoHeight || options.fillSpace
			};
		} else {
			animOptions = {
				toShow: toShow,
				toHide: toHide,
				complete: complete,
				down: down,
				autoHeight: options.autoHeight || options.fillSpace
			};
		}

		if (!options.proxied) {
			options.proxied = options.animated;
		}

		if (!options.proxiedDuration) {
			options.proxiedDuration = options.duration;
		}

		options.animated = $.isFunction(options.proxied) ?
			options.proxied(animOptions) : options.proxied;

		options.duration = $.isFunction(options.proxiedDuration) ?
			options.proxiedDuration(animOptions) : options.proxiedDuration;

		var animations = $.ui.accordion.animations,
			duration = options.duration,
			easing = options.animated;

		if (!animations[easing]) {
			animations[easing] = function(options) {
				this.slide(options, {
					easing: easing,
					duration: duration || 700
				});
			};
		}

		animations[easing](animOptions);

	} else {
		if ( !options.alwaysOpen && clickedActive ) {
			toShow.toggle();
		} else {
			toHide.hide();
			toShow.show();
		}
		complete(true);
	}
	toHide.prev().attr('aria-expanded','false').attr("tabIndex", "-1");
	toShow.prev().attr('aria-expanded','true').attr("tabIndex", "0").focus();;
}

function clickHandler(event) {
	var options = $.data(this, widgetName).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().toggleClass(options.selectedClass);
		var toHide = options.active.next(),
			data = {
				options: options,
				newHeader: $([]),
				oldHeader: options.active,
				newContent: $([]),
				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
	// otherwise stick with the initial target
	clicked = $( clicked.parents(options.header)[0] || clicked );

	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().toggleClass(options.selectedClass);
	options.active.removeClass("ui-state-active ui-corner-top").addClass("ui-state-default ui-corner-all")
		.find(".ui-icon").removeClass(options.icons.headerSelected).addClass(options.icons.header);
	if ( !clickedActive ) {
		clicked.parent().addClass(options.selectedClass);
		clicked.removeClass("ui-state-default ui-corner-all").addClass("ui-state-active ui-corner-top")
			.find(".ui-icon").removeClass(options.icons.header).addClass(options.icons.headerSelected);
	}

	// find elements to show and hide
	var toShow = clicked.next(),
		toHide = options.active.next(),
		data = {
			options: options,
			newHeader: clickedActive && !options.alwaysOpen ? $([]) : clicked,
			oldHeader: options.active,
			newContent: clickedActive && !options.alwaysOpen ? $([]) : 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
		? typeof selector == "number"
			? headers.filter(":eq(" + selector + ")")
			: headers.not(headers.not(selector))
		: selector === false
			? $([])
			: headers.filter(":eq(0)");
}

$.extend($.ui.accordion, {
	version: "@VERSION",
	defaults: {
		autoHeight: true,
		alwaysOpen: true,
		animated: 'slide',
		event: "click",
		header: "a",
		icons: {
			header: "ui-icon-triangle-1-e",
			headerSelected: "ui-icon-triangle-1-s"
		},
		navigationFilter: function() {
			return this.href.toLowerCase() == location.href.toLowerCase();
		},
		running: 0,
		selectedClass: "ui-accordion-selected"
	},
	animations: {
		slide: function(options, additions) {
			options = $.extend({
				easing: "swing",
				duration: 300
			}, options, additions);
			if ( !options.toHide.size() ) {
				options.toShow.animate({height: "show"}, options);
				return;
			}
			var hideHeight = options.toHide.height(),
				showHeight = options.toShow.height(),
				difference = showHeight / hideHeight,
				overflow = options.toShow.css('overflow');
			options.toShow.css({ height: 0, overflow: 'hidden' }).show();
			options.toHide.filter(":hidden").each(options.complete).end().filter(":visible").animate({height:"hide"},{
				step: function(now) {
					var current = (hideHeight - now) * difference;
					if ($.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.toShow.css({overflow: overflow});
					options.complete();
				}
			});
		},
		bounceslide: function(options) {
			this.slide(options, {
				easing: options.down ? "easeOutBounce" : "swing",
				duration: options.down ? 1000 : 200
			});
		},
		easeslide: function(options) {
			this.slide(options, {
				easing: "easeinout",
				duration: 700
			});
		}
	}
});

})(jQuery);