void execute(EditorAdaptor editorAdaptor, TextRange region, int count)
throws CommandExecutionException {
try {
String action =
left
? ITextEditorActionDefinitionIds.SHIFT_LEFT
: ITextEditorActionDefinitionIds.SHIFT_RIGHT;
editorAdaptor.getHistory().beginCompoundChange();
editorAdaptor.getHistory().lock();
TextContent modelContent = editorAdaptor.getModelContent();
int startOffset = region.getLeftBound().getModelOffset();
int startLine;
// if the start is on a newline, put start on the next line
// (otherwise, >i{ will indent the line ending with a '{')
if (VimUtils.isNewLine(modelContent.getText(startOffset, 1))) {
startLine = modelContent.getLineInformationOfOffset(startOffset).getNumber() + 1;
} else {
startLine = modelContent.getLineInformationOfOffset(startOffset).getNumber();
}
int rightBoundOffset = region.getRightBound().getModelOffset();
LineInformation endLineInformation =
modelContent.getLineInformationOfOffset(rightBoundOffset);
String endText =
modelContent.getText(
endLineInformation.getBeginOffset(),
rightBoundOffset - endLineInformation.getBeginOffset());
int endLine = endLineInformation.getNumber();
if (rightBoundOffset > endLineInformation.getBeginOffset() && !endText.matches("\\s*")) {
// if the right bound is beyond the first character of a line, include that entire line
// (unless everything within the bounds of this line is whitespace)
endLine++;
}
for (int i = 0; i < count; i++) {
editorAdaptor.setSelection(createSelection(editorAdaptor, startLine, endLine));
EclipseCommand.doIt(1, action, editorAdaptor);
}
editorAdaptor.setPosition(
editorAdaptor
.getCursorService()
.newPositionForModelOffset(
VimUtils.getFirstNonWhiteSpaceOffset(
modelContent, modelContent.getLineInformation(startLine))),
true);
} finally {
editorAdaptor.getHistory().unlock();
editorAdaptor.getHistory().endCompoundChange();
}
}