Example usage for android.widget ExpandableListView getExpandableListPosition

Introduction

In this page you can find the example usage for android.widget ExpandableListView getExpandableListPosition.

Prototype

public long getExpandableListPosition(int flatListPosition) 

Source Link

Document

Converts a flat list position (the raw position of an item (child or group) in the list) to a group and/or child position (represented in a packed position).

Usage

From source file:im.neon.util.VectorUtils.java

/**
 * Provides the visible child views.//from   w ww.  j a va  2s. co  m
 * The map key is the group position.
 * The map values are the visible child views.
 *
 * @param expandableListView the listview
 * @param adapter            the linked adapter
 * @return visible views map
 */
public static HashMap<Integer, List<Integer>> getVisibleChildViews(ExpandableListView expandableListView,
        BaseExpandableListAdapter adapter) {
    HashMap<Integer, List<Integer>> map = new HashMap<>();

    long firstPackedPosition = expandableListView
            .getExpandableListPosition(expandableListView.getFirstVisiblePosition());

    int firstGroupPosition = ExpandableListView.getPackedPositionGroup(firstPackedPosition);
    int firstChildPosition = ExpandableListView.getPackedPositionChild(firstPackedPosition);

    long lastPackedPosition = expandableListView
            .getExpandableListPosition(expandableListView.getLastVisiblePosition());

    int lastGroupPosition = ExpandableListView.getPackedPositionGroup(lastPackedPosition);
    int lastChildPosition = ExpandableListView.getPackedPositionChild(lastPackedPosition);

    for (int groupPos = firstGroupPosition; groupPos <= lastGroupPosition; groupPos++) {
        ArrayList<Integer> list = new ArrayList<>();

        int startChildPos = (groupPos == firstGroupPosition) ? firstChildPosition : 0;
        int endChildPos = (groupPos == lastGroupPosition) ? lastChildPosition
                : adapter.getChildrenCount(groupPos) - 1;

        for (int index = startChildPos; index <= endChildPos; index++) {
            list.add(index);
        }

        map.put(groupPos, list);
    }

    return map;
}

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From source file:dev.drsoran.moloko.fragments.TaskListsFragment.java

@Override
public void onGroupIndicatorClicked(View groupView) {
    final ExpandableListView listView = getExpandableListView();
    final int pos = ExpandableListView
            .getPackedPositionGroup(listView.getExpandableListPosition(listView.getPositionForView(groupView)));

    if (listView.isGroupExpanded(pos))
        listView.collapseGroup(pos);/*from w  ww .j  av a  2 s  .c o  m*/
    else
        listView.expandGroup(pos);
}

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From source file:com.jbirdvegas.mgerrit.PatchSetViewerFragment.java

private void init() {
    View currentFragment = this.getView();

    ExpandableListView mListView = (ExpandableListView) currentFragment.findViewById(R.id.commit_cards);
    disconnectedView = currentFragment.findViewById(R.id.disconnected_view);

    sIsLegacyVersion = !Config.isDiffSupported(mParent);

    mAdapter = new CommitDetailsAdapter(mParent);
    mListView.setAdapter(mAdapter);//from w  ww  . j av a 2  s  .co m

    // Child click listeners (relevant for the changes cards)
    mListView.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
    mFilesCAB = new FilesCAB(mParent, !sIsLegacyVersion);
    mAdapter.setContextualActionBar(mFilesCAB);
    mListView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
        @Override
        public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
            ExpandableListView listView = (ExpandableListView) parent;
            long pos = listView.getExpandableListPosition(position);
            int groupPos = ExpandableListView.getPackedPositionGroup(pos);
            int childPos = ExpandableListView.getPackedPositionChild(pos);

            if (!mAdapter.isLongClickSupported(groupPos, childPos)) {
                return false;
            }

            // In case this is a group view and does not have the change number tagged
            view.setTag(R.id.changeID, mSelectedChange);
            FilesCAB.TagHolder holder = new FilesCAB.TagHolder(view, mContext, groupPos, childPos >= 0);

            // Set the title to be shown in the action bar
            if (holder.filePath != null) {
                mFilesCAB.setTitle(holder.filePath);
            } else {
                String s = mParent.getResources().getString(R.string.change_detail_heading);
                mFilesCAB.setTitle(String.format(s, holder.changeNumber.intValue()));
            }

            mFilesCAB.setActionMode(getActivity().startActionMode(mFilesCAB));
            ActionMode actionMode = mFilesCAB.getActionMode();

            // Call requires API 14 (ICS)
            actionMode.setTag(holder);
            view.setSelected(true);
            return true;
        }
    });
    mListView.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {
        @Override
        public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition,
                long id) {
            // This is only valid for the changed files group
            int childItemType = mAdapter.getChildType(groupPosition, childPosition);
            if (childItemType != CommitDetailsAdapter.Cards.CHANGED_FILES.ordinal()) {
                return false;
            }
            // View the diff and close the CAB if a change diff could be viewed
            boolean diffLaunched = PatchSetChangesCard.onViewClicked(mParent, v);
            if (diffLaunched) {
                ActionMode mode = mFilesCAB.getActionMode();
                if (mode != null)
                    mode.finish();
            }
            return diffLaunched;
        }
    });

    mUrl = new GerritURL();

    Button retryButton = (Button) currentFragment.findViewById(R.id.btn_retry);
    retryButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (sIsLegacyVersion)
                sendRequest(GerritService.DataType.Commit);
            else
                sendRequest(GerritService.DataType.LegacyCommitDetails);
        }
    });

    if (getArguments() == null) {
        /** This should be the default value of {@link ChangeListFragment.mSelectedStatus } */
        setStatus(JSONCommit.Status.NEW.toString());
        loadChange(true);
    } else {
        Bundle args = getArguments();
        setStatus(args.getString(STATUS));
        String changeid = args.getString(CHANGE_ID);
        mChangeNumber = args.getInt(CHANGE_NO);

        if (changeid != null && !changeid.isEmpty()) {
            loadChange(changeid);
        }
    }

    mEventBus = EventBus.getDefault();
}

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