/** @return total number of soft wrap-introduced new visual lines */ public int getSoftWrapsIntroducedLinesNumber() { if (!isSoftWrappingEnabled()) { return 0; } int result = 0; FoldingModel foldingModel = myEditor.getFoldingModel(); for (SoftWrap softWrap : myStorage.getSoftWraps()) { if (!foldingModel.isOffsetCollapsed(softWrap.getStart())) { result++; // Assuming that soft wrap has single line feed all the time } } return result; }
@Override public boolean isVisible(SoftWrap softWrap) { FoldingModel foldingModel = myEditor.getFoldingModel(); int start = softWrap.getStart(); if (foldingModel.isOffsetCollapsed(start)) { return false; } // There is a possible case that soft wrap and collapsed folding region share the same offset, // i.e. soft wrap is represented // before the folding. We need to return 'true' in such situation. Hence, we check if offset // just before the soft wrap // is collapsed as well. return start <= 0 || !foldingModel.isOffsetCollapsed(start - 1); }
@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); }