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编辑当前文件:/home/seolotod/sthwholesaler.com/wp-content/themes/porto/js/preview-image.js

// Preview Image
( function( theme, $ ) {
	'use strict';

theme = theme || {};

var instanceName = '__previewImage';

var PreviewImage = function( $el, opts ) {
		return this.initialize( $el, opts );
	};

PreviewImage.defaults = {

};

PreviewImage.prototype = {
		initialize: function( $el, opts ) {
			if ( $el.data( instanceName ) ) {
				return this;
			}

this.$el = $el;

this
				.setData()
				.setOptions( opts )
				.build();

return this;
		},

setData: function() {
			this.$el.data( instanceName, this );

return this;
		},

setOptions: function( opts ) {
			this.options = $.extend( true, {}, PreviewImage.defaults, opts, {
				wrapper: this.$el
			} );

return this;
		},

build: function() {
			var $el = this.options.wrapper,
				image = $el.data( 'image' );

if ( image ) {
				$el.css( 'background-image', 'url(' + image + ')' );
			}

return this;
		}
	};

// expose to scope
	$.extend( theme, {
		PreviewImage: PreviewImage
	} );

// jquery plugin
	$.fn.themePreviewImage = function( opts ) {
		return this.map( function() {
			var $this = $( this );

if ( $this.data( instanceName ) ) {
				return $this.data( instanceName );
			} else {
				return new theme.PreviewImage( $this, opts );
			}

} );
	}

$( document.body ).on( 'porto_init', function( e, $wrap ) {
		// Preview Image
        $( function() {
            $wrap.find( '.thumb-info-preview .thumb-info-image:not(.manual)' ).each( function() {
                var $this = $( this ),
                    opts;

var pluginOptions = $this.data( 'plugin-options' );
                if ( pluginOptions )
                    opts = pluginOptions;

$this.themePreviewImage( opts );
            } );
        } );
    } );

} ).apply( this, [window.theme, jQuery] );