In a Web application, feedback messages are used to notify the user about the result of a business logic execution.
Feedback messages vary depending on message types, which can be: success, information, warning, or error.
Most Web applications have protected sections that only registered user can access. Users must remember the credentials provided for each site to which they subscribe.
When users are no longer able to authenticate themselves because they have lost or forgotten their passwords, it is necessary to pr...
Granting access to protected resources is a key aspect of many Web applications.
From an interface point of view, you need to define a place for users to insert and validate their credentials.
This lesson shows you how to model the user login and logout. You will learn how you can personalize the ...
In a Web application, you often need to manage the information shown to the user. Managing information means to create, update, or delete information. With WebRatio Platform you can easily model an Administration section in which the Web application user can manage the application data.
In this le...
WebRatio Platform provides a built-in feature for the localization of Web applications.
The localization is based on the usage of keys instead of terms for all the static elements of the Web application (e.g., labels, components and page titles, field labels and so on). WebRatio Platform allows use...
Usually Web applications are not standalone; they need to integrate with external systems and other applications in the company intranet. The best way to make different applications communicate with one another is to use a Web Service infrastructure. That’s why it is important to know how you can ea...
Usually Web applications are not standalone; they need to integrate with external systems and other applications in the company intranet. The best way to make different applications communicate with one another is to use a Web service infrastructure. That’s why it is important to know how you can ea...
A search engine uses a set of well known rules to decide the visibility of a website. One of these rules is to have simple URLs containing the keywords the page should be indexed with. WebRatio 6 introduces a new feature named URL Fragments. This feature allows to increase the search engine ranking ...
WebRatio Platform gives you the chance to add a Captcha control to the forms of your Web Project.
Read this article to know more about the Captcha control.
The Reconnect is an Operation Component used to modify the association between instances of two entities (the Source Entity and the Target Entity), connected by a predefined Relationship Role.
The Reconnect can manage single instances or sets of instances in order to connect or disconnect one in...
Sometimes may happens that a user has to access to a content and depending on some parameters or actions that content has to change. By the alternative pages,it's possible to decide which content has to be shown depending on one or more conditions defined at run time.
Alternative element is usefu...
WebRatio introduced the chance to use Visibility Conditions in a Web Project. This feature allows you to disable or show elements in the generated Web application if the conditions specified for those elements are verified.
It is now possible to integrate the horizontal profiling of the Web appli...
Reloading an entire page can be expensive in terms of computational costs: it means recomputing all the components contained on a page and the queries included in them. This operation can take some time and have a significant impact on performance. For this reason, a partial refresh of the page can ...
Popups are a commonly used rich interaction. By using a popup you can open a new layer above the current main page. If the popup is set as “Modal”, it also prevents any interaction with the rest of the web application. When the popup window is closed, the underlying main page becomes active again, a...
Rich forms are forms in which the user interaction triggers an event and the execution of a specific business logic. The aim is facilitate the form compilation and improve the user’s experience in the web Application. Many events can be managed to enrich the user’s interaction with a form, and some ...
Autocompletion allows you to specify an information source to be used as a suggestion for the fill-in of a text field. In this way, the user can type only the initial letters of the word or of the value to be inserted in the field. The Web application shows different options from which the user can ...
The Periodical Page Refresh is a feature that allows you to add a trigger to a navigation flow with the selective refresh enabled. In this way, it’s possible to automate clicking on a link to update some information in real time. This feature is very useful when you need to execute a business logic ...
When designing Web Projects, often the use of static values are required, such as values of conditions, passing of static values in Links Coupling, values in configuration Properties of the Units, etc. The problem of the usage of static values is that they may vary according to the environment in wh...
This specification defines the Interaction Flow Modeling Language (IFML). The objective of IFML is to provide system architects, software engineers, and software developers with tools for the definition of Interaction Flow Models that describe the principal dimensions of an application front-end: th...
"Interaction Flow Modeling Language" describes how to apply model-driven techniques to the problem of designing the front end of software applications, i.e., the user interaction. The book introduces the reader to the novel OMG standard Interaction Flow Modeling Language (IFML). Authors Marco Brambi...
This is the case study used during the WebRatio Platform Modeler Classroom Training Course. You need to download this file in order to have the set of requirements used during the training course as reference. You can also try do model this case study by yourself in order to test your knowledge in W...
"This book discusses how model-based approaches can improve the daily practice of software professionals. This is known as Model-Driven Software Engineering (MDSE) or, simply, Model-Driven Engineering (MDE). MDSE practices have proved to increase efficiency and effectiveness in software development,...
The goal of this portal is to explore and discuss when, where and how software modeling and model-driven engineering (and when NOT) can improve current software development practices.
With the proliferation of huge amounts of (heterogeneous) data on the Web, the importance of information retrieval (IR) has grown considerably over the last few years. Big players in the computer industry, such as Google, Microsoft and Yahoo!, are the primary contributors of technology for fast acce...
WebRatio Reports is an add-on of WebRatio aimed to design and produce professional-quality reports.
WebRatio Reports leverages on Jasper Reports, a popular open source reporting solution, and on its accompanying visual report designer (iReport), to enhance Web applications with professional quali...
In the Domain Model you can define BLOB attributes to store files.
A common issue related to BLOB attributes is to show a dialog for the download of the blob data as a file.
You can consider as a solution to change the layout template to use the Content Disposition feature, which forces the "Sa...
This article can help you on BPM basic features using WebRatio Platform, or refresh your memory on how to use it.
You will also find a quick reference for the Business Process Modeling Notation (BPMN), the standard adopted for business process modeling using a graphical notation based on a flowch...