Published in Blog

Creating components for Joomla 1.0.x

11 September 2009

This article will explain how to develop customized components for Joomla in the 1.0.x version, showing the files and basic steps, as well as some useful methods such as access to the database, paged results, etc. It is recommended to have knowledge of PHP and HTML to read this article.


Directory structure

Joomla has a directory structure divided into 2 big groups. Administrator, where are all the files needed for the backend to work and the various directories that are located in the root directory.

The directories of interest are the components, both within the administrator directory, as in the root directory, since here is where the files for each component are, which in turn are in sub-directories as follows, com_componentName, example com_users.

If we want to see the files corresponding to the users component, must look at

  • Administrator/components/com_users (backend)
  • Components/com_users (frontend)

Another important is the includes directory, since within it we find files that have classes that are going to be used in the component, for example to connect the database (database.php), to manage user data, paging, etc (joomla.php).

The components are stored in the database, more precisely in the jos_components table.

Files that make up a component

A component to be installed must be compressed in a zip file, with the following format example

This file must have at least 8 files that are going to be described in brief:

  • admin.componentName.php (backend)
  • admin. componentName.html.php (backend)
  • toolbar. componentName.php (backend)
  • toolbar. componentName.html.php (backend)
  • componentName.xml (backend)
  • componentName.class.php (opcional)
  • componentName.php (frontend)
  • componentName.html.php (frontend

The following describes each file.


Published in Blog

Introduction to Joomla

28 August 2009

This article aim will be to provide an introduction to the content management system called Joomla, describe its main features and how it is made.

What is Joomla?

Joomla is an open source Content Management System (CMS) built with PHP under a GPL license. This o Content Management System can be used to create a website with dynamic content, using a MySQL database.


  • Websites organization.
  • Publication of contents.
  • Scalability and implementation of new functionalities.
  • User’s management.
  • Websites design.
  • Navigation and menu.
  • Image manager.
  • Modifiable modules order.
  • Polls.
  • Advertising.
  • Statistics of visits.
  • And more…

Which websites can be created with Joomla?

With Joomla we can create news websites, corporate sites, community portals, and we can also create with Joomla systems operating on closed networks (Intranets) to manage internal information (communications, users, etc) from companies or business firms.

Published in Blog

JReserv: We finished the requirement phase

09 June 2009

We are pleased to announce that we have completed the requirements phase of JReserv project. Here are the features that we will implement in the first version.

  1. Management:
    1. Resources Management
    2. Packages Management
    3. Prices and Availabilities Management
    4. Clients Managements
    5. Agents Managements
    6. Configuration Managements
  2. Services that would be offered to visitors:
    1. Resources Catalog and Packages
    2. Online Booking

1 Resources Management:

The system will allow the management of resources, allowing to Create, Read, Update y Delete (CRUD) them. The system must store relevant information about it including: title, description and images.

Also should allow to classify the resources in a flexible manner in order to be suitable for any business allowing the proper adaptation of the tool to any environment. A resource would be associated to a bookable category which will be associated with one or more than one category. At the same time, a category can be classified in other parents categories. For example, for a resource of a hotel called “101 room” could be associated to a bookable category called “Double Room”, which may be associated with the following categories “Caesar Hotel” to define that it belong to this hotel. At the same, this hotel may be associated with “Santa Fe” to identify to which city belongs.The category “Caesar Hotel” may be a children of another category called “Emperors Chain” to identify which chain owns the hotel while “Santa Fe” is the children of “Argentina” to determine to which country it belongs. As you can see this is very flexible and could be adapted to any business.

A bookable category may be associated to one or more addons. These addons can be purchased at the same time of the booking. For example, by booking a “Double Room” we would be able to add to our order a “Dinner Menu”. It is possible that the addons impact on the price of the reservation.

Picture 1: Entities associated with resources

Bookable categories and categories would also have associated properties that represents its characteristics. Having this information in a separate entity will allow to perform searches of resources and categories which have these characteristics in common. As an example, the resource “Double Room” could have assigned properties “Jacuzzi”, “Private Bath”, “Air Conditioning”. Then if you’re interested in making a reservation for a room with Jacuzzi you could make a filtering to obtain a list of all the rooms that have those features and then choose between them.

Published in Blog

Creating mambots for Joomla 1.0.x

13 May 2009

This article will explain how to create a mambot on Joomla 1.0.x (Plugins from Joomla 1.5). It is recommended to have knowledge of PHP and HTML to read this article.

What is a Mambots?

Mambots are the applications that intercept the contents (documents or items of components) before being published and displayed by the system, and add or alter information dynamically, thus completing the total content that will be delivered the end user’s browser. The Mambots can be called by special commands, or can be displayed by default for certain content / components.

Mambots are located in the directory /mambots. As the components and modules can be installed/uninstalled, configured and published from the backend of Joomla.


At present there are 5 factors (documented) to trigger a Mambots:

  • onPrepareContent
  • onSearch
  • onInitEditor
  • onGetEditorContents
  • onEditorArea

Each event require a numer and parameters.

Example of a Mambot:

As modules, Mambots are composed of two core files. One is the .xml file that gives the configuration for the installation, and the other is .php file that allows us to codify what the mambots will do. Al the mambot files should start with “mos”.

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