Tuto WEBDEV 25

422 Part 13: The WLanguage basics Editor Program that is used to create a project element (window editor, page editor, ...). Event-driven Type of programming. A user action on a window or on a page induces a code to run. The code of the action to run is typed in the event representing the user action. For example, the "Button click" event corresponds to a mouse click performed by the user on this button. External component Software block that is used to export one or more business rules in order to re-use them. File (Table) Element that constitutes a database. A data file is used to store the data entered into a program. For example, a CUSTOMER file will contain the customer information that was entered into a program. Global (variable or procedure) Corresponds to the scope in memory of a variable or procedure. A global element is accessible from any other project element. The opposite is local. GUI Graphical User Interface. Description of windows or pages that constitute a program.. This is what the user will see when using the program. Homothetic Method for resizing an image in order to maximize its display without distorting its content. HTML HyperText Markup Language. Language used to describe the elements of a Web page. Index (file) Synonym: key. Integrity constraint Rule associated with a data file item to ensure data consistency in a database. Internal component Container that groups elements found in a project (window, page, query, report, class, ...) in order to allow and simplify a share with another project.