Open WordPress Media Window

This opens WordPress’ Media Library in the backend

    var custom_uploader;

    $(document).on("click", '.xupload_image_button', function (e) { //1AM 
        e.preventDefault();
        
        

        var $upload_button = $(this);
        var this_textarea = $( this ).siblings( ".pdf_list" );
        var current_val = $( this ).siblings( ".pdf_list" ).val();

        //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() {
            var attachment = custom_uploader.state().get('selection').first().toJSON();
			if (current_val == "") {
				var new_val = attachment.url;
			}else{
			    var new_val = current_val + '\n' + attachment.url;
			}
            this_textarea.val(new_val);
        });

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

    });