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wp-content/plugins/slider-bws/js/owl.carousel/owl.autoheight.js

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+/**
+ * AutoHeight Plugin
+ * @version 2.3.4
+ * @author Bartosz Wojciechowski
+ * @author David Deutsch
+ * @license The MIT License (MIT)
+ */
+;(function($, window, document, undefined) {
+
+	/**
+	 * Creates the auto height plugin.
+	 * @class The Auto Height Plugin
+	 * @param {Owl} carousel - The Owl Carousel
+	 */
+	var AutoHeight = function(carousel) {
+		/**
+		 * Reference to the core.
+		 * @protected
+		 * @type {Owl}
+		 */
+		this._core = carousel;
+
+		this._previousHeight = null;
+
+		/**
+		 * All event handlers.
+		 * @protected
+		 * @type {Object}
+		 */
+		this._handlers = {
+			'initialized.owl.carousel refreshed.owl.carousel': $.proxy(function(e) {
+				if (e.namespace && this._core.settings.autoHeight) {
+					this.update();
+				}
+			}, this),
+			'changed.owl.carousel': $.proxy(function(e) {
+				if (e.namespace && this._core.settings.autoHeight && e.property.name === 'position'){
+					this.update();
+				}
+			}, this),
+			'loaded.owl.lazy': $.proxy(function(e) {
+				if (e.namespace && this._core.settings.autoHeight
+					&& e.element.closest('.' + this._core.settings.itemClass).index() === this._core.current()) {
+					this.update();
+				}
+			}, this)
+		};
+
+		// set default options
+		this._core.options = $.extend({}, AutoHeight.Defaults, this._core.options);
+
+		// register event handlers
+		this._core.$element.on(this._handlers);
+		this._intervalId = null;
+		var refThis = this;
+
+		// These changes have been taken from a PR by gavrochelegnou proposed in #1575
+		// and have been made compatible with the latest jQuery version
+		$(window).on('load', function() {
+			if (refThis._core.settings.autoHeight) {
+				refThis.update();
+			}
+		});
+
+		// Autoresize the height of the carousel when window is resized
+		// When carousel has images, the height is dependent on the width
+		// and should also change on resize
+		$(window).resize(function() {
+			if (refThis._core.settings.autoHeight) {
+				if (refThis._intervalId != null) {
+					clearTimeout(refThis._intervalId);
+				}
+
+				refThis._intervalId = setTimeout(function() {
+					refThis.update();
+				}, 250);
+			}
+		});
+
+	};
+
+	/**
+	 * Default options.
+	 * @public
+	 */
+	AutoHeight.Defaults = {
+		autoHeight: false,
+		autoHeightClass: 'owl-height'
+	};
+
+	/**
+	 * Updates the view.
+	 */
+	AutoHeight.prototype.update = function() {
+		var start = this._core._current,
+			end = start + this._core.settings.items,
+			lazyLoadEnabled = this._core.settings.lazyLoad,
+			visible = this._core.$stage.children().toArray().slice(start, end),
+			heights = [],
+			maxheight = 0;
+
+		$.each(visible, function(index, item) {
+			heights.push($(item).height());
+		});
+
+		maxheight = Math.max.apply(null, heights);
+
+		if (maxheight <= 1 && lazyLoadEnabled && this._previousHeight) {
+			maxheight = this._previousHeight;
+		}
+
+		this._previousHeight = maxheight;
+
+		this._core.$stage.parent()
+			.height(maxheight)
+			.addClass(this._core.settings.autoHeightClass);
+	};
+
+	AutoHeight.prototype.destroy = function() {
+		var handler, property;
+
+		for (handler in this._handlers) {
+			this._core.$element.off(handler, this._handlers[handler]);
+		}
+		for (property in Object.getOwnPropertyNames(this)) {
+			typeof this[property] !== 'function' && (this[property] = null);
+		}
+	};
+
+	$.fn.owlCarousel.Constructor.Plugins.AutoHeight = AutoHeight;
+
+})(window.Zepto || window.jQuery, window, document);