public void testSoftWrapToHardWrapConversion() throws IOException {
String text =
"this is line 1\n"
+ "this is line 2\n"
+ "this is line 3\n"
+ "this is line 4\n"
+ "this is line 5";
init(50, text, 7);
VisualPosition changePosition = new VisualPosition(1, 0);
myEditor.getCaretModel().moveToVisualPosition(changePosition);
int logicalLinesBefore = myEditor.offsetToLogicalPosition(text.length()).line;
int offsetBefore = myEditor.getCaretModel().getOffset();
LogicalPosition logicalPositionBefore = myEditor.visualToLogicalPosition(changePosition);
assertEquals(1, logicalPositionBefore.softWrapLinesOnCurrentLogicalLine);
assertTrue(logicalPositionBefore.column > 0);
SoftWrap softWrap = getSoftWrapModel().getSoftWrap(offsetBefore);
assertNotNull(softWrap);
type('a');
LogicalPosition logicalPositionAfter = myEditor.visualToLogicalPosition(changePosition);
assertEquals(new LogicalPosition(1, 0, 0, 0, 0, 0, 0), logicalPositionAfter);
assertEquals(
offsetBefore + softWrap.getText().length() + 1, myEditor.getCaretModel().getOffset());
assertEquals(logicalLinesBefore + 1, myEditor.offsetToLogicalPosition(text.length()).line);
}
private VerticalInfo createVerticalInfo(LogicalPosition position) {
Document document = myEditor.getDocument();
int logicalLine = position.line;
if (logicalLine >= document.getLineCount()) {
logicalLine = Math.max(0, document.getLineCount() - 1);
}
int startOffset = document.getLineStartOffset(logicalLine);
int endOffset = document.getLineEndOffset(logicalLine);
// There is a possible case that active logical line is represented on multiple lines due to
// soft wraps processing.
// We want to highlight those visual lines as 'active' then, so, we calculate 'y' position for
// the logical line start
// and height in accordance with the number of occupied visual lines.
VisualPosition visualPosition =
myEditor.offsetToVisualPosition(document.getLineStartOffset(logicalLine));
int y = myEditor.visualPositionToXY(visualPosition).y;
int lineHeight = myEditor.getLineHeight();
int height = lineHeight;
List<? extends SoftWrap> softWraps =
myEditor.getSoftWrapModel().getSoftWrapsForRange(startOffset, endOffset);
for (SoftWrap softWrap : softWraps) {
height += StringUtil.countNewLines(softWrap.getText()) * lineHeight;
}
return new VerticalInfo(y, height);
}
@Override
public void beforeDocumentChangeAtCaret() {
CaretModel caretModel = myEditor.getCaretModel();
VisualPosition visualCaretPosition = caretModel.getVisualPosition();
if (!isInsideSoftWrap(visualCaretPosition)) {
return;
}
SoftWrap softWrap = myStorage.getSoftWrap(caretModel.getOffset());
if (softWrap == null) {
return;
}
myEditor
.getDocument()
.replaceString(softWrap.getStart(), softWrap.getEnd(), softWrap.getText());
caretModel.moveToVisualPosition(visualCaretPosition);
}