X-Cart:Refine Filters

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X-Cart 4.4.2+

Overview

What Refine Filters does

X-Cart's Refine Filters add-on module enables your customers to use parametric search to easily find what they need. With this add-on module enabled at your store, your customers will no longer feel like they are looking for a needle in a haystack. Working from your existing product options, variants, feature comparison classes and more, Refine Filters generates radio buttons and numeric sliders and even allows for multiple selections to help your customers narrow a products list down to what fits their needs.

Why Refine Filters?

Imagine navigating hundreds or even thousands of similar-looking medicines or auto parts to find the one you need. With Refine Filters, your customers can leave the nightmare behind and find what they are looking for in just a few clicks — increasing sales conversions, generating add-on sales and lowering your customer service workload.

System requirements

To be able to successfully install and use the Refine Filters add-on module, you must have a working copy of X-Cart GOLD or GOLD PLUS version 4.4.2 or later installed on your server. Make sure that the version of the module is the same as the version of the installed copy of X-Cart.

Note: If you do not remember the version of X-Cart on which your store is based, you can look it up in the Environment info section of the Summary page in your store's Admin area.

Installation

To install the module:

  1. Obtain a distribution package for the Refine Filters add-on module by downloading it from the File Area section of your X-Cart Account. The distribution package you need is contained in the archive file x-refine-filters-x.y.z.tgz, where x, y and z are the version numbers of the module. Make sure the version of the module is the same as the version of the installed X-Cart.
  2. Copy the distribution package to the X-Cart root directory on your server or hosting account.
    • If you are using a Windows-based server, or a UNIX-based server without terminal access:
    a) Decompress the archive with the Refine Filters distribution package to a directory on your system using your favorite compression program (WinZIP or any other archiver with support for TAR files).
    b) Use an FTP client to upload all the files contained in the archive (retaining the directory structure) to the X-Cart root directory on your server or your hosting account.
    • If you are using a UNIX-based server with terminal access:
    a) Use an FTP client to upload the archive with the distribution package to the X-Cart root directory on your server or your hosting account.
    b) Decompress the package using the following command:
    tar -xzvf x-refine-filters-x.y.z.tgz
    Important: Make sure you keep the directory structure while unpacking and uploading the distribution package, otherwise some necessary files may be overwritten!
  3. In a web browser, run the installation script httр://<YOUR_XCART_DOMAIN>/install-refine-filters.php replacing the variable <YOUR_XCART_DOMAIN> with the actual domain name of your X-Cart store.
  4. Enter the Auth code, accept the License Agreement and click Next.
  5. The installation script patches the files and activates the module. Click Next to continue the installation.
    Note: If you are using a custom skin, you will need to manually apply the patches to it. Otherwise, the module will not work in this skin.
  6. The installation script generates a new system fingerprint. Click Next to complete the installation.
  7. Use the ADMINISTRATOR AREA link to log in to the Admin area.

Enabling the Refine Filters add-on module

After the Refine Filters add-on module installation has been completed, the module is enabled and working.
You can disable/enable the module as follows:

  1. In Admin area, go to the Modules section (Settings menu->Modules).
  2. Choose the Refine Filters module by selecting/unselecting the respective check box on the left.
  3. Click the Apply changes button. This activates/deactivates the module.

Configuring the Refine Filters add-on module

After the Refine Filters add-on module has been enabled in your store, you should check and adjust its configuration:

  1. In the Modules section of your store's Admin area (Settings menu->Modules), click the Configure link opposite the module name ('Refine Filters'). The module configuration page (titled by the name of the module) opens.
  2. Adjust the settings on the module configuration page as needed. Detailed information regarding the Refine Filters add-on module configuration settings is available below.
  3. Click Apply changes to save the changes.

Refine Filters add-on module configuration settings

Here are a few notes on how to adjust the Refine Filters module configuration settings:

General section

  • Enable dynamic filtering (this may slow down your server): Enable/disable dynamic filtering. With dynamic filtering enabled, filters will be dynamically adjusted to your customers' needs based on the selections of filter attributes your customers make: as soon as a customer selects a certain filter attribute, the attributes that would render zero search results if combined with the selected one will appear grayed out.
    The snapshot below shows how the options 21.5-inch, None and 27-inch in the Display section of the filter appear grayed out after we have selected the Notebook option in the Type section (which is explained as being due to the fact that we do not have notebooks with 21.5- and 27-inch displays - nor notebooks without a display - in our demo store):
    Filters grayed out.png
  • Max number of categories in search results (0 - unlimited): Specify the maximum number of category names that can be displayed in the Filter box on search results and manufacturer pages. If a greater number of categories is found, a link to the full list of found categories will be provided.
    For example, if the 'Max number of categories in search results (0 - unlimited)' option were set to "5", and a customer's search returned products from eight categories, the Filter box would look as follows:
    Filters max categories.png
  • New filters are enabled by default: Enable this option if you want all new filters generated by the module to be enabled (available to customers) by default in all your store's categories.
  • New filters are expanded by default: Enable this option if you want all new filters generated by the module to be expanded by default in all your store's categories.
  • Price filter view: Select the view of the price filter that should be used in your store (numeric slider or price ranges).
    Rf price view.png
  • Price ranges (comma separated): Define the price ranges for your price filter (This setting needs to be adjusted only if you have chosen to use the price ranges option for your Price filter view). For example, if you want ranges like "$1-$5", "$5-$10" and "$10 and above", the value of the 'Price ranges (comma separated):' field should be "1,5,10".

Data Sources section

This section allows you to enable/disable the data sources on which filters are generated:
  • Extra fields: This enables filtering based on extra fields data (extra field values). Filters are generated per extra field.
  • Product Options: This enables filtering based on product options data (product option values of the Product variant / Price modifier option group types). Filters are generated per option class (group).
  • Product classes (module Feature Comparison): This enables filtering based on the Feature Comparison module product classes data (product class option values). Filters are generated per product class.
  • Custom classes: This enables filtering based on the Refine Filters module product classes (aka 'Filter classes') data (product class option values). Filters are generated per product class.
It is also possible to enable/disable some simple filters:
  • Enable price filter: This enables filtering by product prices (based on the content of the 'Price' field of product details).
  • Enable manufacturers: This enables filtering by product manufacturers (based on the content of the 'Manufacturer' field of product details).
  • Enable in-stock filter: This enables filtering by products' 'In stock' property (based on the content of the 'Quantity in stock' field of product details).
  • Enable free shipping filter: This enables filtering by products' 'Free shipping' property (based on the content of the 'Free shipping' field of product details).
  • Enable On Sale filter: This enables filtering by products' 'On sale' property (based on the content of the 'On sale' field of product details).
Note that this section controls filters globally for all categories. If you need to show a filter for a certain category, but hide it for other categories, you must adjust its availability for each category separately via the Refine Filters page (see the section Managing Refine Filters below).

Appearance section

In this section you choose the types of pages on which refine filters are to be displayed in your store:
  • Display filters on category page: Enable this option to display filters on category pages.
  • Display filters on search results: Enable this option to display filters on search results pages.
  • Display filters on manufacturers page: Enable this option to display filters on manufacturer pages.
You can also adjust other settings affecting what your customers will see:
  • Show filters classes info at product details: This option displays defined filter classes on the product details page in the Customer frontend.
  • Show dynamic range for sliders: This option applies only when dynamic filtering is enabled. By default, there is a blue bar on the numeric sliders which shows the actual numeric range for the filtered products. By turning this option off you can hide this blue bar and thus simplify the sliders a bit.
    The snapshots below demonstrate the behavior of the Price filter slider on a selection of three products priced $1790, $2199 and $3590:
    Show dynamic range.png
  • Disable checkboxes for unavailable attributes in dynamic filtering: This option applies only when dynamic filtering is enabled. Filter attributes which are not available for filtered products will be gray-out, but the corresponding check boxes will not be disabled (thus allowing to result in "0 products found" if selected). If you want to disable checkboxes for unavailable attributes, turn this option on.
  • Truncate long attribute names to XX characters (0 - do not truncate): You may find that the names of some filter attributes in your store are too long to fit in the 'Filter' box nicely: attribute names consisting of several words may be wrapped into multiple lines, and especially lengthy words may be clipped at the border of the 'Filter' box making the entire box look quite ugly. The setting 'Truncate long attribute names to XX characters' allows you to keep long attribute names from breaking your store's design by specifying the maximum allowed attribute name length after which attribute names must be truncated. Specify the maximum number of characters to be displayed, and any number of characters in an attribute name exceeding this value will be clipped and represented by an ellipsis; your customers will still be able to read the entire filter attribute name in the tooltip displayed when the mouse cursor is moved over the truncated attribute name. If you do not wish to use truncation for lengthy filter attribute names, set this value to "0" (zero).

Managing Refine Filters

Filters can be configured on the 'Refine Filters' page in your store's administration back end. This page can be accessed by clicking the Refine Filters link in the Catalog menu.

Once you open this page you will see the category selector:

Refine filters first.png

This selector allows you to choose a category for which you want to view or manage filters.

Important: All refine filters are tied to categories. Even though filters are displayed on search results and manufacturer products pages, customer will always see filters for either the most popular category (for current search criteria) or will have to choose a category to see filters.

After choosing a category from the dropdown box, you will see the 'Filters' table displaying the list of filters automatically generated by the module for this category and their respective settings:

Refine filters category.png

The following information is available about each filter:

  • Source: Filter data source. By default all filters are enabled, but you can globally turn some filters off using the Data sources section on the Refine Filters add-on module configuration settings page.
  • Service name: Service name of the filter. This is a unique identifier of a particular data source. For various types of filters, service names are created based on the following data:
  • Filters based on Extra fields - Extra field service name;
  • Filters based on Product options - Product option class (group) name;
  • Filters based on Product classes (Feature Comparison module) or Filter classes (Refine Filters module) - a combination of Product class option name and Product class name (the format is 'Product class option name (Product class name)', like 'Screen Size (Laptop)').
  • Title: Display name of the filter (visible to customers). By default, filter titles are created based on the following data:
  • Filters based on Extra fields - Extra field name;
  • Filters based on Product options - Product option text;
Note: If more than one product in the category have a product option class (group) with the same name, a single filter will be generated for them. The dafault title for this filter will be created from the option text of the first product with the said option class that X-Cart will find. If you are not happy with the filter title generated by default, you can change it by adjusting the contents of the 'Title' field in the 'Filters' table.
  • Filters based on Product classes (Feature Comparison module) or Filter classes (Refine Filters module) - Product class option name.
  • Enabled: Whether the filter is enabled or disabled.
  • Filter view: Visual representation of the filter for customers (Multiple selector, Yes-No selector or Numeric range (slider)).
  • Unit: Measurement unit for the numeric value (like "cm", "in", "g", etc). Applicable for "Numeric range" filters only.
  • Expanded: Whether your customers see the filter as expanded on first page load. If the "Expanded" property is turned off for the filter, on first page load the filter attributes will not be shown to customers, so the customers will need to expand the filter first. This may help you save some screen space.
    The snapshot below demonstrates the look of expanded filters vs. collapsed:
    Filters expanded collapsed.png
  • Max attrs: The maximum number of filter attributes displayed in the 'Filter' box before the "More..." link. Applicable for "Multiple selector" filters only.
    The snapshot below demonstrates the look of the Color filter with the maximum number of attributes defined as "4":
    Max attr 4.png
  • Columns: The type of layout used to display the attributes of the filter in the 'Filter' box (1-column, 2-column or Auto). Applicable for "Multiple selector" filters only. The Auto option means that with a number of attributes smaller than the value of the Max attrs field multiplied by two, the attributes are displayed in a single column, whereas a greater number of filter attributes is displayed in two columns.
    Filter columns.png
  • Pos: Position of the filter in the filters list in the Customer area.

You can adjust the settings for any filter(s) in the category by editing the respective fields in the 'Filters' table. After you're done editing the filter settings, be sure to click the Apply changes button to save the changes.

It is possible to spread the filter settings of the selected category to all its subcategories: select the Including subcategories checkbox and click Apply changes.

Filter classes

Product classes for Refine Filters: introduction

As has been mentioned above, the Refine Filters add-on module can use the Feature Comparision module product classes as a data source for generating filters. We are sure the owners of X-Cart based stores using the Feature Comparision module will find it a great feature. Unfortunately, not everyone has Feature Comparision, so we decided to re-create the Product classes functionality within the Refine Filters add-on module.

The Refine Filters product classes can be defined and managed via the 'Filter classes' page (Catalog menu->Filter classes) in the Admin area. They are similar to product classes in the Feature Comparision module; however, they do not work for product comparison: their only purpose is to give you the ability to define additional properties (attributes) for products by which products will be filtered.

Further in this article we will discuss the product classes functionality of the Refine Filters add-on module (so not the Feature Comparison product classes).

Using product classes for Refine Filters: the workflow

The recommended workflow for using Refine Filters product classes is as follows:

  1. Decide what product classes you will need for your products. For instance, a store selling computers could have product classes like 'Laptop', 'Desktop computer', 'Tablet computer', 'E-Reader', etc.
    It is not necessary to have a product class for each and every product in your catalog; add product classes only for the products for which you want to allow filtering based on filter classes data.
    Note that if you choose to use filter classes as a data source for product filtering, you may need to re-organize your product categories so that each category will contain products of no more than one product class (If products belonging to different product classes are placed in one category, the 'Filter' box on the respective category page will show filters for all the product classes ivolved, whereas each of the filters will work not for the entire category, but only for a limited subset of products (products of a specific product class), which is likely to cause confusion for your customers. For example, it would be a bad idea to keep laptop computers and electronic readers mixed together in one category and use the product classes 'Laptop' and 'E-Reader' for them, because buyers won't be able to tell which filter in this category filters what.
  2. Add the product classes you require via the 'Filter classes' section of your store's back end.
  3. For each product class, add one or more product class options and define their details. For example, the product class 'Laptop' could use options like 'Screen Size', 'Hard Drive Size', 'Hard Drive Speed', 'Processor brand', 'Processor', 'Operating system', etc. A separate filter will be generated for each product class option you define. By default, product class option names will become filter titles; however, if you want your filters to be titled differently, you will be able to change your filter titles on the 'Refine Filters' page. At the step of adding product class options you will need to specify the types of values that each product class option may have and the format in which these values are to be displayed.
  4. Assign the created product classes to products and specify the product class option values for each product with an assigned product class. The option values assigned to products will become the filter attributes that your customers will be able to select when filtering products.

Managing product classes

Below are instructions for creating and managing product classes for the Refine Filters add-on module.

Adding product classes

To create a product class:

  1. Go to the 'Filter classes' page in your store's Admin area (Catalog menu->Filter classes). If you have not yet added any filter classes before, on this page you will see a form titled 'Add product class'. If you already have some filter classes in your store, click the 'Add product class' button below the product classes list - the 'Add product class' form will be opened.
    Add filter class.png
  2. In the 'Add product class' form, specify the details of the new product class:
    • Product class: The product class title. For instance, we could add a product class titled 'Laptop'.
    • Enabled: Whether the class should be enabled. (We noticed that in X-Cart 4.5.5 this property does not affect the ability of disabled product classes to appear in filters, but we are hoping to fix it in the next version. After we've done that, filters based on disabled product classes will not be shown to customers).
    • OrderBy: The position number of the product class (This affects the order in which product classes are displayed).
  3. Click Add. The product class will be created.

After you click the Add button, another screen appears: now you see the 'Modify product class' form. This form contains the details of the new product class that has just been created:

Modify product class1.png

Now you must review (and, if necessary, edit) the product class details and define product class options (features) for the class.

To define product class options:

  1. At the bottom of the 'Modify product class' form, locate the 'Add new option' section.
  2. Use the 'Add new option' section to add a product class option and define its details:
    • Option: The option name.
    • Option type/Format: The option type. See the section 'Notes on option types' below for more info.
    • Enabled: Whether the option should be displayed to customers.
    • OrderBy: The position number of the option in the list of product class options.
    • Variants: (These need to be entered only for the Single option selector and Multiple option selector option types) Names of option variants, each variant name starting on a new line.
  3. Click Add. The product class option will be created and added to the list of options in the 'Product class options' section of the form.
  4. If applicable, specify the format in which specific values of the option should be displayed (Option type/Format column). Click Update to save the changes.
  5. Repeat the above steps as needed to add more product class options.
    The snapshot below demonstrates some product class options we added for the 'Laptop' product class in our demo store:
    Modify product class.png
Notes on option types

Below is the list of option types supported by filter classes:

  • Text field: This is a simple text field into which custom text can be entered. Any characters entered into a field of this type are regarded as text. This option type requires the option field format to be specified (Input box or Text area, depending on the amount of text that needs to be entered).
  • Single option selector: This is a field displaying a predefined set of values from which only one can be selected. This option type requires variants to be provided.
  • Multiple option selector: This is a field displaying a predefined set of values from which several values can be selected. This option type requires variants to be provided.
  • Numeric field: This is a field that allows users to enter numeric values so they are treated as numbers (which allows customers to search for products using number ranges). This option type requires the option field format to be specified.
  • Boolean field: This is a field from which only one of the two values can be chosen: Yes or No (signifies presence or absence of some feature).
  • Date field: This is a field that allows users to enter dates. This option type requires the option field format to be specified.

Viewing the list of your store's product classes

After at least one product class has been created, you will be able to see the list of your store's product classes on the 'Filter classes' page (Catalog menu->Filter classes).

Deleting product classes

To delete one or more product classes:

  1. Go to the 'Filter classes' page in your store's Admin area (Catalog menu->Filter classes).
  2. In the 'Filter classes' form, specify the product classes you would like to remove by selecting the check boxes next to their titles.
  3. Click Delete selected. The selected product classes will be removed.

Updating product classes' availability/OrderBy

You can change the availability status of your product classes and the order in which they are displayed:

  1. Go to the 'Filter classes' page in your store's Admin area (Catalog menu->Filter classes).
  2. Use the 'Filter classes' form controls to adjust the 'Enabled' and/or 'OrderBy' properties of one or more product classes.
  3. Click Update. The changes will be saved.

Editing product class details

To change the details of a product class (title, availability status and OrderBy position number) or its options, use the following procedure:

  1. Go to the 'Filter classes' page in your store's Admin area (Catalog menu->Filter classes).
  2. Click on the title of the product class you want to edit. This opens the 'Modify product class' form.
    Modify product class only.png
  3. Adjust the filter class details (title, availability status and OrderBy position number) as needed. Be sure to click Save to save the changes.
  4. If necessary, use the the 'Product class options' section of the form to add, edit or delete product class options.

Deleting product class options

To delete one or more product class options:

  1. In the 'Product class options' section of the 'Modify product class' form, select the check boxes next to the names of the product class options you want to delete.
  2. Click Delete selected options.

Editing product class options

To edit product class options:

  1. In the 'Product class options' section of the 'Modify product class' form, adjust the settings of one or more product class options as you require.
  2. Click Update.

To edit the variants of a product class option:

  1. In the 'Product class options' section of the 'Modify product class' form, click on the option variants you want to edit. The 'Variants setup' box appears:
    Modify product class variants.png
  2. Use the 'Variants setup' box to edit the contents of the variants section:
    • To rename one or more of the existing variants, change the names of the variants you want to rename and click Update.
    • To delete one or more of the existing variants, select the check boxes next to the names of the variants you want to delete and click Delete selected variants.
    • To add a new variant to the list, enter a name for the new variant in the 'Add variant' subsection and click Add.
    • After you have finished editing, click on the X ('Close') sign in the top right corner of the 'Variants setup' box. The box will be closed.

Assigning product classes and product class option values to products

After the necessary product classes have been defined, they need to be assigned to products.

Note: It is not necessary that all the products in the store have a product class: assign product classes only to the products that you want to be filtered by filter classes.

To assign a product class to some product:

  1. Find the product and open it for modification.
  2. Click the Filter class link in the section menu. The 'Assign product class' form will appear.
    Assign filter class.png
  3. From the 'Product class' selectbox in the 'Assign filter class' form, select the product class you want to assign to the product.
  4. Click Apply. The product class will be assigned.

After the product class has been assigned, another form will appear below the 'Assign product class' form - the form titled 'Product class options'.

Assigned filter class.png

Use this form to assign specific product class option values (attributes) to the product being modified:

  1. Specify the product class option values specific to the product.
  2. Click Update. The changes will be applied.


Import filter-related values from CSV file

You can update filter-related values such as "Title", "Pos", "Enabled", "Expanded" etc... by using a single CSV file for all filters in your store. Import page located under "Catalog -> Refine Filters -> Import filter data" link.

The CSV file must contain exactly 8 columns:

Rf csv import.png

Here is column by column description:

  1. Source - filter source (corresponds to column "Source" from the "manage refine filters page")
  2. Service name - service name (corresponds to column "Service name")
  3. Title - filter title for customers, can be any string.
  4. Enabled - can be "Y" (enabled) or "N" (disabled)
  5. Expanded - can be "Y" (expanded) or "N" (collapsed)
  6. Max Attrs. - corresponds to column "Max Attrs.". Can be any integer value greater 1
  7. #Columns - corresponds to column "#Columns". Can be "0" (Auto), "1" (1-column) or "2" (2-columns)
  8. Pos - filter position (order). Can be any integer value.


Filter URL feature

Once you filtered some products (clicked "Show" link) - there will be a special link "URL" available at the bottom of filters section:

Rf filter url.png

You can use link for banners or newsletters to allow customers see filtered products when they click this link. Also, customers can share this link with friends if they want to show filtered products only.

Refine Filters FAQ

Q: I disabled some filters and changed some filter titles and attributes in the backend, but the Customer frontend still shows my old filters. What's wrong?

A: This is probably caused by caching. Try using the Clear templates/X-Cart cache tool, then reload the page. You should now see your updated filters.

See also