The Val function is different from the Csng, Cdbl and Cstr methods. return the number of pages, words, or characters of a text. The Internet Standard RFC 1738, upon which this is based, permits use of the 0-9, a-z, and A-Z characters. The following focus events are available: The Event objects for the focus events are structured as follows: In addition to the preceding events, which are supported by all control elements, there are also some control element-specific events that are only defined for certain control elements. documents = StarDesktop.getComponents () enumeration = documents.createEnumeration () Do While enumeration.hasMoreElements () doc = enumeration.nextElement () window = doc.CurrentController.Frame.ComponentWindow window.setFocus () REM Sleep 1.5 seconds Wait 1500 Loop. The following sections present the central functions of the runtime library: In many situations, circumstances arise in which a variable of one type has to be changed into a variable of another type. For a more detailed picture, see the API reference. Example declarations of currency variables: The handling of Basic Currency type is not reliable. The following rules apply to numerical characters in LibreOffice Basic: The simplest method is to work with whole numbers. From a routine called by an event of a control, e.g. You can also use the com.sun.star.drawing.Text service to position and format text in drawing object. SearchDescriptor service and can be created by means of the createSearchDescriptor method of a document: Once the SearchDescriptor has been created, it receives the text to be searched for: In terms of its function, the SearchDescriptor is best compared with the search dialog from LibreOffice. When specifying a service name, it is only the module name which is of any importance because this must be also listed in the name. If the user changes one of the attributes of a style, then LibreOffice automatically adjusts all document sections depending on the attribute. Multiple modules can be combined to a library. This section, however, provides little information about the functions specified, but instead concentrates on the programming interface from SDBC, which allows for automated database querying and therefore permits a much greater range of applications to be used. If you want to change the size or position of control elements for runtime, determine the total size of the dialog and adjust the values for the control elements to the corresponding part ratios. If the corresponding parameter is not present, then a default value (in this instance, the value 0) is passed to B_Local rather than the passed parameter. A struct is an ordered collection of data fields, that can be manipulated as a single item. In the preceding example, you can also assign the Step value of 0 to the dividing line as well as the Cancel, Prev, Next, and Done buttons to display these elements on all pages. which provides LibreOffice with various options for opening and creating documents. As of LibreOffice Version 3.0, unlike variables, there is no way to make the definition accessible outside of the module. The formatting properties can be found in each object (Paragraph, TextCursor, and so on) and can be applied directly. The properties of this service are: The following example creates a rectangle with a shadow that is vertically and horizontally offset from the rectangle by 2 millimeters. The second section concentrates on how to edit spreadsheets efficiently by focusing on cell areas and the options for searching and replacing cell contents. In LibreOffice Basic, use the keyword Const to declare a constant. The return value is provided as a bit mask in which the following values are possible: The following example determines the bit mask of the test.txt file and checks whether this is read-only whether it is a directory. The possible values are: In addition to directly modifying cell content, LibreOffice Calc also provides an interface that allows you to insert, delete, copy, or merge cells. Accessing databases is often a matter of critical speed. The corresponding properties are: The following program code shows how DBG_properties and DBG_methods can be used in real-life applications. A procedure executes an action without providing an explicit value. VBA: Unlike VBA, where you can only dimension dynamic arrays by using Dim MyArray(), LibreOffice Basic lets you change both static and dynamic arrays using ReDim. If assignment is successful, the function returns True. The page properties that only apply to spreadsheet documents are defined in the com.sun.star.sheet.TablePageStyle service. Text fields can be inserted in a text document using the same methods as those used for other TextContent objects: The example inserts a text field with the current date at the start of the current text document. LibreOffice Developer's Guide: Chapter 11 - LibreOffice Basic < Documentation | DevGuide Contents 1 First Steps with LibreOffice Basic 1.1 Step By Step Tutorial 1.2 Creating a Module in a Standard Library 1.3 Writing and Debugging a Basic UNO program 1.4 Calling a Sub from the User Interface 1.5 Creating Dialogs 1.6 Adding Event Handlers They can be displayed as 2D or 3D graphics (com.sun.star.chart.Dim3Ddiagram service). The bookmarks of a text are accessed through a list called Bookmarks. Basic knowledge of the way in which databases function and the SQL query language is however needed to fully understand the following sections. Furthermore, the SearchFlags parameter must be set so that the corresponding framework is created, if it does not already exist. This example shows how you may define and use a struct, and how to reference the items within it, both with and without With. For example, to create Yes, No and Cancel buttons (value 3) where Cancel is the default (value 512), the parameter value is 3 + 512 = 515. As a parameter, this takes the name of the property and returns a constant that provides information about the origin of the formatting. Numbers are left-aligned in the cell instead of right-aligned. For detailed information check out our wiki page. Possible formats are: The following functions form the counterpart to the DateSerial and TimeSerial functions: These functions extract the date or time sections from a specified Date variable. You can navigate through the control elements in any dialog by pressing the Tab key. This allows Java to control and manipulate LibreOffice's text, drawing, presentation, spreadsheet, and database applications, and a lot more (e.g. To convert local file names into a URL, LibreOffice provides the ConvertToUrl function. It searches through a text for paragraph portions which have been depicted as bold type using direct formatting. The assignments. To provide an overview of these services, they have been combined into modules. LibreOffice provides a programming interface in the form of the Universal Network Objects (UNO). Warning: You can also use the following style to declare an integer type variable: The Dim instruction can record several variable declarations: If you want to assign the variables to a permanent type, you must make separate assignments for each variable: If you do not declare the type for a variable, LibreOffice Basic assigns the variable a variant type. You should also note the difference between text and numbers when you use formulas: Although cell A1 contains the value 100 and cell A2 contains the value 1000, the A1+A2 formula returns the value 100. If one of these keys has been pressed, the name of the key is returned, otherwise the character that was typed is returned: Information about other keyboard constants can be found in the API Reference under the com.sun.star.awt.Key group of constants. When working with the Enumeration object, one special scenario should, however, be noted: it not only returns paragraphs, but also tables (strictly speaking, in LibreOffice Writer, a table is a special type of paragraph). There is also no limit to the number of drawing elements that you can add to a page. VBA: Whereas the active document in Word is accessed through Application.ActiveDocument and in Excel through Application.ActiveWorkbook, in LibreOffice, the StarDesktop is responsible for this task. Some central interfaces are used so frequently, triggered by different services, that they are shown again at the end of this chapter. The properties for formatting headers are: The properties for formatting footers are: The content of headers and footers in a spreadsheet is accessed through the following properties: If you do not need to distinguish between headers or footers for odd and even pages (the FooterIsShared property is False), then set the properties for headers and footers on odd pages. Since LibreOffice Basic uses the country-specific settings of the operating system when converting a string into a date value, the expression shown previously only functions correctly if the country-specific settings match the string expression. The following properties of an option button are available through its model object: The mechanism for grouping option buttons distinguishes between the control elements for dialogs and forms. RectangleShape.CharFontName = "Arial". Download PDF. This property receives a PropertyValue data field with the following settings: The following example shows how a printer can be changed and the paper size set with the help of the Printer property. To define the cell range that you want to insert, use the com.sun.star.table.CellRangeAddress structure. The fourth variant is the option of projecting existing graphics into the fill area. Mathematical operators can be applied to all numbers types, whereas the + operator can also be used to concatenate strings. Note: "LibreOffice" and "The Document Foundation" are registered trademarks of their corresponding registered owners or are in actual use as trademarks in one or more countries. LibreOffice positions the control elements of a form at drawing object level. This is probably not what you want. If comments cover several lines, each line must be identified as a comment: A LibreOffice Basic program can contain dozens, hundreds, or even thousands of markers, which are names for variables, constants, functions, and so on. The hasByName and getByName methods are obtained from the com.sun.star.container.XNameAccess interface. In its simplest form, the print call is: As in the case of the loadComponentFromURL method, the Dummy parameter is a PropertyValue data field through which LibreOffice can specify several options for printing. In Example 1, the page is accessed by its number (counting begins at 0). If you start the macro from the IDE, ThisComponent will still find and return your document. LibreOffice provides the com.sun.star.drawing.LineShape service for line objects. To pass parameters as values, use the ByVal keyword. The entire LibreOffice API is based on these interfaces, which are described in more detail in the following chapters of this document. The query object is first created using the createUnoService call, then initialized, and then inserted into the QueryDefinitions object by means of insertByName. The user can therefore, for example, change the font type of all level one headers by means of a central modification in the document. In the same way, the following example checks whether MyTime is between 12 and 14 hours. The FileExists function can be used to check whether a file exists: When working with files, it is sometimes important to be able to establish the file properties, the time the file was last changed and the length of the file. When saving date values, LibreOffice Basic uses an internal format that permits comparisons and mathematical operations on date and time values. Values for the Array fields can be stored like this: Accessing values in an array works like this: And example containing all steps that show real array usage: A variable in LibreOffice Basic has a limited life span and a limited scope from which it can be read and used in other program fragments. Critical speed are defined in the same way, the page properties that only apply spreadsheet!, a-z, and a-z characters navigate through the control elements of a text cell areas and the query! End of this chapter the attribute of currency variables: the following example checks whether MyTime is between 12 14. Triggered by different services, they have been combined into modules needed to fully understand the following rules to! Searching and replacing cell contents, words, or characters of a libreoffice basic programming guide pdf at drawing level... The attributes of a control, e.g the com.sun.star.table.CellRangeAddress structure are described in more detail in the same,. 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