b4b-upload.js - 7/22/13

jQuery(document).ready(function($){

    var custom_uploader;
    var id;

    $('.upload').click(function(e) {

        e.preventDefault();

        //set id of object for comparison
        id = $(this).attr('id');

        //If the uploader object has already been created, reopen the dialog
        if (custom_uploader) {
            custom_uploader.open();
            return;
        }

        //Extend the wp.media object
        custom_uploader = wp.media.frames.file_frame = wp.media({
            title: 'Choose Image',
            button: {
                text: 'Choose Image'
            },
            multiple: false
        });

        //When a file is selected, grab the URL and set it as the text field's value
        custom_uploader.on('select', function() {
            attachment = custom_uploader.state().get('selection').first().toJSON();

            $('.regular-text').each(function(){
                if ($(this).attr('id') == id){
                    $(this).val(attachment.url);
                }
            });

            $('.preview-upload').each(function(){
                if($(this).attr('id') == id){
                    $(this).attr('src', attachment.url);
                }
            });
        });

        //Open the uploader dialog
        custom_uploader.open();

    });

});