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Detect AdBlock Grav Plugin

The Detect AdBlock plugin is for Grav CMS.

Description

This plugin allow you to:

  • detect ad blocker
  • track user ads blocking status with Google Analytics

Google Analytics Events

  • manage user message with popup

Popup Message

  • block reading of article by inserting inside message

Inside Message

This plugin works as an anti-adblock or just for statistics.

Pre-requisites

If you want to manage Google Analytics, you shall include the snippets in your site:

  • Using your own integration (in theme or other)
  • Using Grav plugin Google Analytics by John Linhart.

To use Detect AdBlock editor button, you shall integrate jQuery v2.2.4 or upper.

Installation

Installing the Detect AdBlock plugin can be done in one of two way: GPM (Grav Package Manager) installation method enables you to quickly and easily install the plugin with a simple terminal command, while the manual method enables you to do so via a zip file or GIT.

NOTE: This plugin is a modular component for Grav which requires Grav to operate.

GPM Installation (Preferred)

The simplest way to install this plugin is via the [Grav Package Manager GPM through your system's Terminal (also called the command line). From the root of your Grav install type:

$ bin/gpm install detect-adblock

This will install the Detect AdBlock plugin into your /user/plugins directory within Grav. Its files can be found under user/plugins/detect-adblock.

Manual Installation (Download)

To install this plugin, just download the zip version of this repository and unzip it under /your/site/grav/user/plugins. Then, rename the folder to detect-adblock. You can find these files on GitHub.

You should now have all the plugin files under

/your/site/grav/user/plugins/detect-adblock

Configuration

1. Code configuration

In your theme, add the following snippet:

{% include 'partials/detect-adblock.html.twig' %}

Add this snippet just after <body> integration, inside the tag.
<body> tag is generally defined in the base.twig.html template.

2. Parameters configuration

This plugin can be configured entirely by Grav Admin plugin.

2.1. Common configuration

You can set-up the following common parameters:

enabled: true           # If true, enable the plugin
ganalytics: true        # If true, manage Google Analytics tracking

2.2. Popup Message

Detect AdBlock allow you to display a popup message that inform user that an ad blocker is detected.

You can, in choice:

  • display a message and user can continue the visite by closing it.
  • force user to disable the ad blocker to continue the visit.

There are the parameters:

popup:
  message:
    enabled: true         # If true, display the popup message
    displayone: true      # If true, display the popup message only one times
    page_filter: ''       # List of page section where message shall be displayed (e.g.: blog, docs).
    content:              # Your message content in markdown format
  blockvisit:
    enabled: false        # If true, block the visit of user and force to disable ad blocker
    idtoremove: 'body'    # DOM Id to remove when visit is blocked.

When the blockvisit.enabled parameter is enabled, you can block the user to read content with Code Inspector tool or navigator.
You shall define the parameter blockvisit.idtoremove with ID of DOM element container.

2.3. Inside Message

Detect AdBlock is able to replace a page content by a message when ad blocker is detected.

This feature is usefull to force user to disable ad blocker to read full article.

When this option is enabled, it is prior on Popup Message.

The are the parameters:

inside:
  blockreading:
    enabled: false            # Set to true to block reading of full article
    add_editor_button: true   # Set to true to add a button in editor to insert tags
    message:                  # Your replaced warning message 

3. Overwriting the message style

3.1. Overwriting the template

The Popup Message is managed by the template partials/detect-adblock-popup.html.twig.
You can overwrite this template in your theme, but be careful to:

  • define the id="detect-adblock-popup" for box wrapper of your message.
  • add a close button with this action onclick="dabHide()".

The Inside Message is managed by the template partials/detect-adblock-inside.html.twig. You can overwrite this template in your theme without restrictions.

3.2. Overwriting the css style

You have possibility to overwrite the style of messages. For that, you have the following CSS tag:

/* For Popup Message */
.detect-adblock-popup {
    /* The global message wrapper, to manage background of message. */
}
.detect-adblock-popup .dab-message {
    /* The message container, to manage main message style. */
 }
.detect-adblock-popup .dab-message .dab-buttons {
    /* The message buttons container. */
}
.detect-adblock-popup .dab-message .dab-content {
    /* The message content container. */
}
/* For Inside Message */
.detect-adblock-inside { 
    /* The message container inserted in page */
}

4. Multi-language of message

Plugin allow you to define a multi-language message in plugin configuration page.

The displayed message use the parameter popup.message.content for Popup Message or inside.blockreading.message for Inside Message.

To define translation of your message, split the content with the tag ---{language key}---.

The first block is considered as default language.

For instance:

Default language of your message
---fr---
Message in French
---es---
Message in Spanish
---de---
Message in German

5. Google Analytics

This plugin doesn't embed the Google Analytics library/code. You shall do it in your theme or using a plugin (See chapter Pre-requisites).

Notify to Google Analytics the blocking user status works if:

  • the parameter ganalytics is enabled.
  • ga object is defined OR
  • _gap is defined

To get statistics in Google Analytics, refer to this page:
https://support.google.com/analytics/answer/1033068?hl=en

Contributing

If you think any implementation are just not the best, feel free to submit ideas and pull requests. All your comments and suggestion are welcome.

Credits

This plugin is based on Detect AdBlock solution.

License

Copyright (c) 2019 clemdesign.

For use under the terms of the MIT license.

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Grav plugin that help you to detect and manage Adblock feature (message, analytics...)

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