The following properties are defined in the com.sun.star.style.PageProperties service: The following example creates a header in the "Default" page style for text documents and adds the text "Just a Test" to the header. VBA: The basic idea of search and replace in LibreOffice is comparable to that used in VBA. You will find details about this in the LibreOffice Developer's Guide. A complete list of all character properties can be found in the LibreOffice API reference. The Dialog Editor: Creates personal dialog windows and provides scope for the adding of control elements and event handlers. The model object of a checkbox form provides the following properties: The model objects of text field forms offer the following properties: The model object of the list box forms provides the following properties: Note: The return value is assigned using simple assignment. The top left cell is usually called A1 and the bottom right row is usually called Xn, where X stands for the letters of the top column and n for the numbers of the last row. A table is usually accessed in LibreOffice through the ResultSet object. The formatting options that are available depend on the type of drawing object. The next line inwards is the inner border of the shape and marks the transition to the first hole. The CellAddress structure provides the following values: The cell contents in the target range are always overwritten by the moveRange method. Fill properties are combined in the com.sun.star.drawing.FillProperties service. Note: For example, in the following variable declaration, MyVar1 becomes a variant and MyVar2 becomes an integer: The following sections list the variable types that are available in LibreOffice Basic and describe how they can be used and declared. Finally, when calling up a text file, the eof instruction is used to check whether the end of the file has been reached: The following example shows how a text file can be read: The individual lines are retrieved in a Do While loop, saved in the Msg variable, and displayed at the end in a message box. Since XML is based on standard text files, the resultant files are usually very large. When working with LibreOffice documents, it is useful to deal with some of the basic issues of document administration in LibreOffice. Clicking on this symbol opens a text field, in which a comment on the current point in the text can be recorded. The return value can be overwritten several times within the function. When using DBG_properties, note that the function returns all properties that the services offered by the object can theoretically support. The hasByName, getByName and insertByName methods are obtained from the com.sun.star.container.XNameContainer interface as described in #Introduction to the API. Text tables are available in LibreOffice through the TextTables list of the document object. Methods can be understood as functions that relate directly to an object and through which this object is called. Regardless of this, the original methods are also available (in our example, getPosition and setPosition). The options for defining color gradients and hatches let you create other colors into play. The first 128 characters of the ISO character set correspond to the ASCII character set. LibreOffice then changes the way in which all text portions which use this template are depicted. Internally, LibreOffice Basic saves the associated Unicode value for every character. Just as with the search function, the replacement function from LibreOffice is also available in LibreOffice Basic. The underscore must always be the last character in a linked line and cannot be followed by a space or a tab or a comment, otherwise the code generates an error. Such array is declared without dimension, but may later be filled by an API function or with a Redim statement: You cannot assign a value to an empty array, since it does not contain any elements. Example: Suppose that in your Basic library you have a module named PrintDoc. The control elements available in forms are similar to those of dialogs. Many parts of LibreOffice Basic are identical to Microsoft Visual Basic for Applications and Microsoft Visual Basic. Every control element has its own name that can be queried using the following model property: You can specify the title that appears in the title bar of a dialog with the following model property: You can query the size and position of a control element using the following properties of the model object: To ensure platform independence for the appearance of dialogs, LibreOffice uses the Map AppFont (ma) internal unit to specify the position and size within dialogs. This guide provides an introduction to programming with LibreOffice Basic. VBA: The content of the procedure described here for accessing the paragraphs of a text is comparable with the Paragraphs listing used in VBA, which is provided in the Range and Document objects available there. LibreOffice presentations are based on drawing documents. The central methods are: All methods return a Boolean parameter which specifies whether the navigation was successful. Paragraphs provide their own Enumeration object for this purpose. When using the CompatibilityMode ( true ) function, LibreOffice Basic behaves like VBA and the Dir function, using parameter 16, returns sub-directories and standard files. Direct formatting always takes priority over indirect formatting. There are numerous options for formatting cells, such as specifying the font type and size for text. Direct formatting is used in particular with short documents because the formats can be assigned by the user with the mouse. The Rows and Columns objects of a sheet can access existing rows and columns as well as insert and delete them. Note: The following example shows how all text fields of a text document can be traversed in a loop and checked for their relevant type. The 0 to 127 ASCII codes correspond to the alphabet and to common symbols (such as periods, parentheses, and commas), as well as some special screen and printer control codes. Base uses the HSQLDB database engine to create database documents. The endDialog method of the dialog is an improvement of endExecute. Context-dependent objects are usually created by means of an object method, on which the object depends. The following example uses the hasByName method to check if a page called MyPage exists. This is useful when an array has changed its dimensions. Such CellRange objects are created using the getCellRangeByName call of the spreadsheet object: A colon (:) is used to specify a cell range in a spreadsheet document. The color intensity of the start and end colors is 150 percent (StartIntensity and EndIntensity) which results in the colors seeming brighter than the values specified in the StartColor and EndColor properties. LibreOffice Basic libraries contain classes, routines and variables, Python modules contain classes, functions and variables. The CellInsertMode enumeration recognizes the following values: The removeRange method is the counterpart to the insertCells method. These provide the option of defining a variable search expression with placeholders and special characters rather than a fixed value. In other terms, you may think of a struct as a record, or part of a record. The headers and footers of a document form part of the page properties and are defined using the com.sun.star.style.PageProperties service. Here, you will find an overview of the most common of these interfaces. The IsMissing function checks whether a parameter has been passed or is left out. Information about how to create, open, save and print documents is described in #Working with Documents, because it can be used not only for text documents, but also for other types of documents. The Sheet object that is obtained by the getByName method supports the com.sun.star.sheet.Spreadsheet service. The Exit Do command can exit at loop at any point within the loop. In the past, the ResultSet object provided the resident methods in the Application object for navigation within the data, for example, DataNextRecord ). Some of the properties that this service provides are: The following example creates a rectangle with a solid border (LineStyle = SOLID) that is 5 millimeters thick (LineWidth) and 50 percent transparent. RectangleShape.CharFontName = "Arial". Note: Note: The XIndexAccess and XIndexContainer interfaces are used in objects which contain subordinate objects and which can be addressed using an index. If you are not sure of the form of a control element, you can use the option for searching through all forms for the control element required: The example uses the HasByName method to check all forms of a text document to determine whether they contain a control element model called MyListBox. This is called indirect formatting. Programmers who want to work directly with Java or C++ rather than LibreOffice Basic should consult the LibreOffice Developer's . "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. The code listed in the example is very similar to the code listed in the previous example for determining a control element model. Multiple modules can be combined to a library. A simple ResultSet, provides the minimum scope of functions available. While test functions exist for checking numbers, date details and arrays in LibreOffice Basic, a corresponding function for checking Boolean values does not exist. Dialogs appear in the form of one single dialog window, which is displayed over the document and does not permit any actions other than dialog processing until the dialog is ended. The real API call is: Sheet.getColumns.getByIndex(1). In this case, the frame object of the window should contain an explicit name. To do this, they are converted into their hexadecimal value in the UTF-8 set of characters and are preceded by a percent sign. The LibreOffice API (Application Programming Interface): Permits access to LibreOffice documents and allows these to be created, saved, modified, and printed. In the following example, the loop is terminated during the fifth pass: The For EachNext loop variation in VBA is supported in LibreOffice Basic. For Each loops do not use an explicit counter like a ForNext loop does. They provide the framework for dividing a complex problem into various sub-tasks. In VBA, the function also returns the names of the standard files so that further checking is needed to retrieve the directories only. as is the case in the previous example for paragraphs. The procedure for defining page formats differs from other forms of formatting. The option of creating sub-forms is also provided for this purpose. Finally the code sets the Label property of the control element to the New Label value. therefore ensures that the text is preceded by a tab character (Unicode-value 9) and that a hard line break (Unicode-value 13) is added after the text. Note: Here are a few example calls for the named functions: LibreOffice Basic provides the InStr function for searching for a partial string within another string: The StringToFind parameter specifies the string to be searched for within MyString. The best solution is to use only one approach for error handling within a program - keep error handling separate from the actual program code and do not jump back to the original code after the error occurs. The interpreter, which is needed to run LibreOffice Basic macros. It accesses the array of models using the GetGroupByName method (rather than the GetByName method to determine simple models). As with rectangle shapes, all the formatting properties of drawing objects are also provided for polypolygons: The PolyPolygonShape service also has a property that lets you define the coordinates of a polygon: The following example shows how you can define a triangle with the PolyPolygonShape service. Download PDF. If you want to specify the type of a data, use a typed variable, not a constant. Automatic optimization continues until the row is assigned an absolute height through the Height property. This list provides the following elements: You can also add the constants together to delete different information using a call from clearContents. The Open instruction used to open the file contains the For Input expression in place of the For Output expression and, rather than the Print command for writing data, the Line Input instruction should be used to read the data. The updateString method, for example, allows a string to be written. A page provides methods getName and setName to read and modify its name. The Expand parameter is a Boolean value which specifies whether the area passed over during navigation is to be highlighted. The start index of a data field usually begins with the value 0. The interface between the API and various programming languages is provided by something called Universal Network Objects (UNO). The Map AppFont (ma) replaces the Twips unit to achieve better platform independence.
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