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...
"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 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...
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.
"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,...
Validation is used to check that the data inserted by the user via the application’s user interface complies with the requirements of the application domain.
Validating the data, for example data that is inserted into a form (or in any other View Component or View Component Part with input capabili...
In many applications, such as corporate intranets or CRM, the user may need to access the archive of all registered people, and that archive may be very large. One way to support this requirement is by offering a search form, which however assumes that the user knows at least some information abou...
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...
"A rich text editor is an interface for editing rich text within web browsers, which presents the user a ‘what you see is what you get‘ editing area." (Source: Wikipedia http://en.wikipedia.org/wiki/Online_rich-text_editor)
A rich text editor can be useful when you want the user to be able to write...
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...
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...
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 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...
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.
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.
This kick start guides you through the modeling of a Web application using WebRatio Platform 9. The Web application you will model, will help you manage your daily tasks and your business contacts.
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...
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...
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...
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...
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...
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 ...
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 ...
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...
In order to publish content or to introduce interface elements for data entry in your Web application, we must use View Components. IFML defines a View Component as an element of the interface that displays content or accepts input. Let's see how a generic View Component works in WebRatio and which ...
Developing the front-end of a user application is a costly and inefficient process for a number of reasons.
WebRatio Platform has solved the User Interface modeling challenge by developing an interaction Flow Modeling Language, or IFML, which covers the existing gap in front-end application develop...
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 ...
The ability to show a list of elements and the details of each listed element is one of the most common patterns in Web applications, the so-called "Master and Details" pattern. This lesson shows you how to build several variants of this pattern in WebRatio Platform, and illustrates related basic "I...