diff --git a/richtextfx/src/main/java/org/fxmisc/richtext/CodeArea.java b/richtextfx/src/main/java/org/fxmisc/richtext/CodeArea.java index 04c107562..a6e022ecf 100644 --- a/richtextfx/src/main/java/org/fxmisc/richtext/CodeArea.java +++ b/richtextfx/src/main/java/org/fxmisc/richtext/CodeArea.java @@ -1,6 +1,6 @@ package org.fxmisc.richtext; - +import java.text.BreakIterator; import java.util.Collection; import javafx.beans.NamedArg; @@ -21,7 +21,7 @@ public class CodeArea extends StyleClassedTextArea { // don't apply preceding style to typed text setUseInitialStyleForInsertion(true); } - + /** * Creates an area that can render and edit the same {@link EditableStyledDocument} as another {@link CodeArea}. */ @@ -52,4 +52,50 @@ public CodeArea(@NamedArg("text") String text) { // position the caret at the beginning selectRange(0, 0); } + + @Override // to select words containing underscores + public void selectWord() + { + if ( getLength() == 0 ) return; + + CaretSelectionBind csb = getCaretSelectionBind(); + int paragraph = csb.getParagraphIndex(); + int position = csb.getColumnPosition(); + + String paragraphText = getText( paragraph ); + BreakIterator breakIterator = BreakIterator.getWordInstance(); + breakIterator.setText( paragraphText ); + + breakIterator.preceding( position ); + int start = breakIterator.current(); + + while ( start > 0 && paragraphText.charAt( start-1 ) == '_' ) + { + if ( --start > 0 && ! breakIterator.isBoundary( start-1 ) ) + { + breakIterator.preceding( start ); + start = breakIterator.current(); + } + } + + breakIterator.following( position ); + int end = breakIterator.current(); + int len = paragraphText.length(); + + while ( end < len && paragraphText.charAt( end ) == '_' ) + { + if ( ++end < len && ! breakIterator.isBoundary( end+1 ) ) + { + breakIterator.following( end ); + end = breakIterator.current(); + } + // For some reason single digits aren't picked up so .... + else if ( Character.isDigit( paragraphText.charAt( end ) ) ) + { + end++; + } + } + + csb.selectRange( paragraph, start, paragraph, end ); + } }