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Fix comment expanding logic (#1155)

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Child comment expanding was broken because it did not take into account children
of children of children and deeper levels of comments when calculating new
comment's position.

Replaced with a simple tree to list conversion in pre-order.
This commit is contained in:
Sergei Kozelko 2022-10-16 16:06:10 +07:00 committed by GitHub
parent 297c20f5d3
commit d11fb884c2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 12 deletions
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20
app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java
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@ -802,16 +802,12 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
return -1;
}
private void expandChildren(ArrayList<Comment> comments, ArrayList<Comment> newList, int position) {
private void expandChildren(ArrayList<Comment> comments, ArrayList<Comment> newList) {
if (comments != null && comments.size() > 0) {
newList.addAll(position, comments);
for (int i = 0; i < comments.size(); i++) {
position++;
if (comments.get(i).getChildren() != null && comments.get(i).getChildren().size() > 0) {
expandChildren(comments.get(i).getChildren(), newList, position);
position = position + comments.get(i).getChildren().size();
}
comments.get(i).setExpanded(true);
for (Comment comment : comments) {
newList.add(comment);
expandChildren(comment.getChildren(), newList);
comment.setExpanded(true);
}
}
}
@ -909,7 +905,7 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
mVisibleComments.get(parentPosition).setHasReply(true);
if (!mVisibleComments.get(parentPosition).isExpanded()) {
ArrayList<Comment> newList = new ArrayList<>();
expandChildren(mVisibleComments.get(parentPosition).getChildren(), newList, 0);
expandChildren(mVisibleComments.get(parentPosition).getChildren(), newList);
mVisibleComments.get(parentPosition).setExpanded(true);
mVisibleComments.addAll(parentPosition + 1, newList);
if (mIsSingleCommentThreadMode) {
@ -1572,7 +1568,7 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
} else {
comment.setExpanded(true);
ArrayList<Comment> newList = new ArrayList<>();
expandChildren(mVisibleComments.get(commentPosition).getChildren(), newList, 0);
expandChildren(mVisibleComments.get(commentPosition).getChildren(), newList);
mVisibleComments.get(commentPosition).setExpanded(true);
mVisibleComments.addAll(commentPosition + 1, newList);
@ -1740,7 +1736,7 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
if (comment != null) {
comment.setExpanded(true);
ArrayList<Comment> newList = new ArrayList<>();
expandChildren(mVisibleComments.get(commentPosition).getChildren(), newList, 0);
expandChildren(mVisibleComments.get(commentPosition).getChildren(), newList);
mVisibleComments.get(commentPosition).setExpanded(true);
mVisibleComments.addAll(commentPosition + 1, newList);