Find logic

In a design that separates functionality from user interface another class would have been needed for the logic such as FindReplaceLogic for instance. Instead the following methods of FindReplaceDialog have the main logic

Method

Purpose

findNext

find the next occurrence of a given phrase from start or end of a given document either in upwards or downwards direction.

findWholeWords

Find the next whole word occurrence of the searched phrase from a given position.

isSeparator

determine whether or not a character is a word separator with the help of character array WORD_SEPARATORS.

In addition methods initFind, doFind and find are used on top of the above methods to

Above methods are called by FindReplaceDialog when either the 'find next' button is pressed or when the next occurrence of a phrase to be replaced is searched during a replace operation.

See the next topic to find out more about how the replace logic works.