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