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/*!
* Buttons helper for fancyBox
* version: 1.0.5 (Mon, 15 Oct 2012)
* @requires fancyBox v2.0 or later
*
* Usage:
* $(".fancybox").fancybox({
* helpers : {
* buttons: {
* position : 'top'
* }
* }
* });
*
*/
(function ($) {
//Shortcut for fancyBox object
var F = $.fancybox;
//Add helper object
F.helpers.buttons = {
defaults : {
skipSingle : false, // disables if gallery contains single image
position : 'top', // 'top' or 'bottom'
tpl : '<div id="fancybox-buttons"><ul><li><a class="btnPrev" title="Previous" href="javascript:;"></a></li><li><a class="btnPlay" title="Start slideshow" href="javascript:;"></a></li><li><a class="btnNext" title="Next" href="javascript:;"></a></li><li><a class="btnToggle" title="Toggle size" href="javascript:;"></a></li><li><a class="btnClose" title="Close" href="javascript:jQuery.fancybox.close();"></a></li></ul></div>'
},
list : null,
buttons: null,
beforeLoad: function (opts, obj) {
//Remove self if gallery do not have at least two items
if (opts.skipSingle && obj.group.length < 2) {
obj.helpers.buttons = false;
obj.closeBtn = true;
return;
}
//Increase top margin to give space for buttons
obj.margin[ opts.position === 'bottom' ? 2 : 0 ] += 30;
},
onPlayStart: function () {
if (this.buttons) {
this.buttons.play.attr('title', 'Pause slideshow').addClass('btnPlayOn');
}
},
onPlayEnd: function () {
if (this.buttons) {
this.buttons.play.attr('title', 'Start slideshow').removeClass('btnPlayOn');
}
},
afterShow: function (opts, obj) {
var buttons = this.buttons;
if (!buttons) {
this.list = $(opts.tpl).addClass(opts.position).appendTo('body');
buttons = {
prev : this.list.find('.btnPrev').click( F.prev ),
next : this.list.find('.btnNext').click( F.next ),
play : this.list.find('.btnPlay').click( F.play ),
toggle : this.list.find('.btnToggle').click( F.toggle )
}
}
//Prev
if (obj.index > 0 || obj.loop) {
buttons.prev.removeClass('btnDisabled');
} else {
buttons.prev.addClass('btnDisabled');
}
//Next / Play
if (obj.loop || obj.index < obj.group.length - 1) {
buttons.next.removeClass('btnDisabled');
buttons.play.removeClass('btnDisabled');
} else {
buttons.next.addClass('btnDisabled');
buttons.play.addClass('btnDisabled');
}
this.buttons = buttons;
this.onUpdate(opts, obj);
},
onUpdate: function (opts, obj) {
var toggle;
if (!this.buttons) {
return;
}
toggle = this.buttons.toggle.removeClass('btnDisabled btnToggleOn');
//Size toggle button
if (obj.canShrink) {
toggle.addClass('btnToggleOn');
} else if (!obj.canExpand) {
toggle.addClass('btnDisabled');
}
},
beforeClose: function () {
if (this.list) {
this.list.remove();
}
this.list = null;
this.buttons = null;
}
};
}(jQuery));
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