private void scrollToPosition(final int position) {
DragAndDropListView list = dragAndDropListView;
if (list.getFirstVisiblePosition() < position && position < list.getLastVisiblePosition()) {
return;
}
list.setIsScrolling();
if (position <= list.getFirstVisiblePosition()) {
list.smoothScrollToPosition(0, position + 2);
} else {
list.smoothScrollToPosition(brickList.size() - 1, position - 2);
}
}
@Override
public void drop() {
int to = toEndDrag;
if (to < 0 || to >= brickList.size()) {
to = brickList.size() - 1;
}
if (retryScriptDragging || to != getNewPositionForScriptBrick(to, draggedBrick)) {
scrollToPosition(dragTargetPosition);
draggedBrick = null;
initInsertedBrick = true;
positionOfInsertedBrick = dragTargetPosition;
notifyDataSetChanged();
retryScriptDragging = false;
return;
}
int tempTo = getNewPositionIfEndingBrickIsThere(to, draggedBrick);
if (to != tempTo) {
to = tempTo;
}
if (addingNewBrick) {
if (draggedBrick instanceof ScriptBrick) {
addScriptToProject(to, (ScriptBrick) draggedBrick);
} else {
if (script != null) {
addBrickToPositionInUserScript(to, draggedBrick);
} else {
addBrickToPositionInProject(to, draggedBrick);
}
}
if (draggedBrick instanceof UserBrick) {
int positionOfUserbrickInScript = 0;
for (int index = 0; index <= to; index++) {
if (brickList.get(index) instanceof UserBrick
&& ((UserBrick) brickList.get(index)).getUserBrickId()
== ((UserBrick) draggedBrick).getUserBrickId()) {
positionOfUserbrickInScript++;
}
}
for (int parameterIndex = 0;
parameterIndex
< ProjectManager.getInstance()
.getCurrentProject()
.getUserVariables()
.getOrCreateVariableListForUserBrick(
((UserBrick) draggedBrick).getUserBrickId())
.size();
parameterIndex++) {
((UserBrick) draggedBrick)
.addUserBrickPositionToParameter(
Pair.create(positionOfUserbrickInScript, parameterIndex));
}
ArrayList<Pair<Integer, Integer>> userBrickPositionToParameterList =
((UserBrick) draggedBrick).getUserBrickPositionToParameter();
int numberOfUserBricksInScript = userBrickPositionToParameterList.size();
int frequencyOfEqualFirstParameters = 0;
for (int newIndex = 0; newIndex < userBrickPositionToParameterList.size(); newIndex++) {
if (userBrickPositionToParameterList.get(newIndex).first
== userBrickPositionToParameterList.get(numberOfUserBricksInScript - 1).first) {
frequencyOfEqualFirstParameters++;
}
}
if (frequencyOfEqualFirstParameters
!= ProjectManager.getInstance()
.getCurrentProject()
.getUserVariables()
.getOrCreateVariableListForUserBrick(((UserBrick) draggedBrick).getUserBrickId())
.size()) {
for (int userBrickPosition = positionOfUserbrickInScript;
userBrickPosition < numberOfUserBricksInScript;
userBrickPosition++) {
Pair<Integer, Integer> userBrickPositionToParameter =
((UserBrick) draggedBrick).getUserBrickPositionToParameter().get(userBrickPosition);
if (userBrickPositionToParameter.first >= userBrickPosition) {
((UserBrick) draggedBrick)
.setUserBrickPositionToParameter(
Pair.create(
userBrickPositionToParameter.first + 1,
userBrickPositionToParameter.second),
((UserBrick) draggedBrick)
.getUserBrickIndexInScript(userBrickPositionToParameter));
}
}
}
// TODO: test if everything gets updated if userbrick gets moved (should work) and delete
// arraylist entry when userbrick gets deleted, when new variable gets created update
}
addingNewBrick = false;
} else {
if (script != null) {
moveUserBrick(fromBeginDrag, toEndDrag);
} else {
moveExistingProjectBrick(fromBeginDrag, toEndDrag);
}
}
draggedBrick = null;
firstDrag = true;
initBrickList();
notifyDataSetChanged();
int scrollTo = to;
if (scrollTo >= brickList.size() - 1) {
scrollTo = getCount() - 1;
}
dragAndDropListView.smoothScrollToPosition(scrollTo);
}