/** Returns the selected text, or null if no selection is active. */
public final String getSelectedText() {
if (selectionStart == selectionEnd) return null;
if (rectSelect) {
// Return each row of the selection on a new line
Element map = document.getDefaultRootElement();
int start = selectionStart - map.getElement(selectionStartLine).getStartOffset();
int end = selectionEnd - map.getElement(selectionEndLine).getStartOffset();
// Certain rectangles satisfy this condition...
if (end < start) {
int tmp = end;
end = start;
start = tmp;
}
StringBuffer buf = new StringBuffer();
Segment seg = new Segment();
for (int i = selectionStartLine; i <= selectionEndLine; i++) {
Element lineElement = map.getElement(i);
int lineStart = lineElement.getStartOffset();
int lineEnd = lineElement.getEndOffset() - 1;
int lineLen = lineEnd - lineStart;
lineStart = Math.min(lineStart + start, lineEnd);
lineLen = Math.min(end - start, lineEnd - lineStart);
getText(lineStart, lineLen, seg);
buf.append(seg.array, seg.offset, seg.count);
if (i != selectionEndLine) buf.append('\n');
}
return buf.toString();
} else {
return getText(selectionStart, selectionEnd - selectionStart);
}
}
/**
* Copies the text on the specified line into a segment. If the line is invalid, the segment will
* contain a null string.
*
* @param lineIndex The line
*/
public final void getLineText(int lineIndex, Segment segment) {
int start = getLineStartOffset(lineIndex);
getText(start, getLineEndOffset(lineIndex) - start - 1, segment);
}
