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Extensions

An extension is a package that can be installed into OpenOffice.org to

add new functionality. Extensions can be written in almost any

programming language and may be simple or sophisticated. Extensions

can be grouped into types:

• Calc Add-Ins, which provide new functionality for Calc, including

new functions that act like normal built-in functions

• New components and functionality, which normally include some

level of UI integration such as new menus or toolbars

• Data pilots that are used directly in Calc

• Chart Add-Ins with new chart types

• Linguistic components such as spell checkers

• Document templates and images

Although individual extensions can be found in different places, there

is an extension repository at: http://extensions.services.openoffice.org/.

For more about obtaining and installing extensions, see Chapter 14

(Customizing OpenOffice.org).

Writing macros without the recorder

The examples covered in this chapter are created using the macro

recorder and the dispatcher. You can also write macros that directly

access the objects that comprise OpenOffice.org. In other words, you

can directly manipulate a document.

Directly manipulating OOo’s internal objects is an advanced topic that

is beyond the scope of this chapter. A simple example, however,

demonstrates how this works.

Listing 4: Append the text “Hello” to the current document.

Sub AppendHello

Dim oDoc

Dim sTextService$

Dim oCurs

REM ThisComponent refers to the currently active document.

oDoc = ThisComponent

REM Verify that this is a text document

sTextService = "com.sun.star.text.TextDocument"

If NOT oDoc.supportsService(sTextService) Then

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