public static void pasteTransferableAsBlock(
Editor editor, @Nullable Producer<Transferable> producer) {
String text = getStringContent(producer);
if (text == null) return;
int caretLine = editor.getCaretModel().getLogicalPosition().line;
int originalCaretLine = caretLine;
int selectedLinesCount = 0;
final SelectionModel selectionModel = editor.getSelectionModel();
if (selectionModel.hasBlockSelection()) {
final LogicalPosition start = selectionModel.getBlockStart();
final LogicalPosition end = selectionModel.getBlockEnd();
assert start != null;
assert end != null;
LogicalPosition caret =
new LogicalPosition(Math.min(start.line, end.line), Math.min(start.column, end.column));
selectedLinesCount = Math.abs(end.line - start.line);
caretLine = caret.line;
deleteSelectedText(editor);
editor.getCaretModel().moveToLogicalPosition(caret);
}
LogicalPosition caretToRestore = editor.getCaretModel().getLogicalPosition();
String[] lines = LineTokenizer.tokenize(text.toCharArray(), false);
if (lines.length > 1 || selectedLinesCount == 0) {
int longestLineLength = 0;
for (int i = 0; i < lines.length; i++) {
String line = lines[i];
longestLineLength = Math.max(longestLineLength, line.length());
editor
.getCaretModel()
.moveToLogicalPosition(new LogicalPosition(caretLine + i, caretToRestore.column));
insertStringAtCaret(editor, line, false, true);
}
caretToRestore =
new LogicalPosition(originalCaretLine, caretToRestore.column + longestLineLength);
} else {
for (int i = 0; i <= selectedLinesCount; i++) {
editor
.getCaretModel()
.moveToLogicalPosition(new LogicalPosition(caretLine + i, caretToRestore.column));
insertStringAtCaret(editor, text, false, true);
}
caretToRestore =
new LogicalPosition(originalCaretLine, caretToRestore.column + text.length());
}
editor.getCaretModel().moveToLogicalPosition(caretToRestore);
zeroWidthBlockSelectionAtCaretColumn(editor, caretLine, caretLine + selectedLinesCount);
}
public static void deleteBlockSelection(Editor editor) {
SelectionModel selectionModel = editor.getSelectionModel();
if (!selectionModel.hasBlockSelection()) return;
LogicalPosition blockStart = selectionModel.getBlockStart();
LogicalPosition blockEnd = selectionModel.getBlockEnd();
if (blockStart == null || blockEnd == null) {
return;
}
int startLine = blockStart.line;
int endLine = blockEnd.line;
int[] starts = selectionModel.getBlockSelectionStarts();
int[] ends = selectionModel.getBlockSelectionEnds();
for (int i = starts.length - 1; i >= 0; i--) {
editor.getDocument().deleteString(starts[i], ends[i]);
}
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
zeroWidthBlockSelectionAtCaretColumn(editor, startLine, endLine);
}