package com.owncloud.android.ui.fragment;
import android.os.Bundle;
+import android.support.v4.widget.SwipeRefreshLayout;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListAdapter;
import android.widget.ListView;
+import android.widget.TextView;
import com.actionbarsherlock.app.SherlockFragment;
import com.owncloud.android.Log_OC;
/**
* TODO extending SherlockListFragment instead of SherlockFragment
*/
-public class ExtendedListFragment extends SherlockFragment implements OnItemClickListener {
+public class ExtendedListFragment extends SherlockFragment
+implements OnItemClickListener, OnEnforceableRefreshListener {
private static final String TAG = ExtendedListFragment.class.getSimpleName();
private static final String KEY_SAVED_LIST_POSITION = "SAVED_LIST_POSITION";
+ private static final String KEY_INDEXES = "INDEXES";
+ private static final String KEY_FIRST_POSITIONS= "FIRST_POSITIONS";
+ private static final String KEY_TOPS = "TOPS";
+ private static final String KEY_HEIGHT_CELL = "HEIGHT_CELL";
+ private static final String KEY_EMPTY_LIST_MESSAGE = "EMPTY_LIST_MESSAGE";
protected ExtendedListView mList;
+ private SwipeRefreshLayout mRefreshLayout;
+ private SwipeRefreshLayout mRefreshEmptyLayout;
+ private TextView mEmptyListMessage;
+
+ // Save the state of the scroll in browsing
+ private ArrayList<Integer> mIndexes;
+ private ArrayList<Integer> mFirstPositions;
+ private ArrayList<Integer> mTops;
+ private int mHeightCell = 0;
+
+ private OnEnforceableRefreshListener mOnRefreshListener = null;
+
+
public void setListAdapter(ListAdapter listAdapter) {
mList.setAdapter(listAdapter);
mList.invalidate();
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
Log_OC.e(TAG, "onCreateView");
- // mList = new ExtendedListView(getActivity());
+
View v = inflater.inflate(R.layout.list_fragment, null);
+ mEmptyListMessage = (TextView) v.findViewById(R.id.empty_list_view);
mList = (ExtendedListView) (v.findViewById(R.id.list_root));
mList.setOnItemClickListener(this);
- // mList.setEmptyView(v.findViewById(R.id.empty_list_view)); // looks
- // like it's not a cool idea
+
mList.setDivider(getResources().getDrawable(R.drawable.uploader_list_separator));
mList.setDividerHeight(1);
setReferencePosition(referencePosition);
}
+ // Pull down refresh
+ mRefreshLayout = (SwipeRefreshLayout) v.findViewById(R.id.swipe_refresh_files);
+ mRefreshEmptyLayout = (SwipeRefreshLayout) v.findViewById(R.id.swipe_refresh_files_emptyView);
+
+ onCreateSwipeToRefresh(mRefreshLayout);
+ onCreateSwipeToRefresh(mRefreshEmptyLayout);
+
+ mList.setEmptyView(mRefreshEmptyLayout);
+
return v;
}
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void onActivityCreated(Bundle savedInstanceState) {
+ super.onActivityCreated(savedInstanceState);
+
+ if (savedInstanceState != null) {
+ mIndexes = savedInstanceState.getIntegerArrayList(KEY_INDEXES);
+ mFirstPositions = savedInstanceState.getIntegerArrayList(KEY_FIRST_POSITIONS);
+ mTops = savedInstanceState.getIntegerArrayList(KEY_TOPS);
+ mHeightCell = savedInstanceState.getInt(KEY_HEIGHT_CELL);
+ setMessageForEmptyList(savedInstanceState.getString(KEY_EMPTY_LIST_MESSAGE));
+
+ } else {
+ mIndexes = new ArrayList<Integer>();
+ mFirstPositions = new ArrayList<Integer>();
+ mTops = new ArrayList<Integer>();
+ mHeightCell = 0;
+ }
+ }
+
+
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
super.onSaveInstanceState(savedInstanceState);
Log_OC.e(TAG, "onSaveInstanceState()");
savedInstanceState.putInt(KEY_SAVED_LIST_POSITION, getReferencePosition());
+ savedInstanceState.putIntegerArrayList(KEY_INDEXES, mIndexes);
+ savedInstanceState.putIntegerArrayList(KEY_FIRST_POSITIONS, mFirstPositions);
+ savedInstanceState.putIntegerArrayList(KEY_TOPS, mTops);
+ savedInstanceState.putInt(KEY_HEIGHT_CELL, mHeightCell);
+ savedInstanceState.putString(KEY_EMPTY_LIST_MESSAGE, getEmptyViewText());
}
/**
}
}
+
+ /*
+ * Restore index and position
+ */
+ protected void restoreIndexAndTopPosition() {
+ if (mIndexes.size() > 0) {
+ // needs to be checked; not every browse-up had a browse-down before
+
+ int index = mIndexes.remove(mIndexes.size() - 1);
+
+ int firstPosition = mFirstPositions.remove(mFirstPositions.size() -1);
+
+ int top = mTops.remove(mTops.size() - 1);
+
+ mList.setSelectionFromTop(firstPosition, top);
+
+ // Move the scroll if the selection is not visible
+ int indexPosition = mHeightCell*index;
+ int height = mList.getHeight();
+
+ if (indexPosition > height) {
+ if (android.os.Build.VERSION.SDK_INT >= 11)
+ {
+ mList.smoothScrollToPosition(index);
+ }
+ else if (android.os.Build.VERSION.SDK_INT >= 8)
+ {
+ mList.setSelectionFromTop(index, 0);
+ }
+
+ }
+ }
+ }
+
+ /*
+ * Save index and top position
+ */
+ protected void saveIndexAndTopPosition(int index) {
+
+ mIndexes.add(index);
+
+ int firstPosition = mList.getFirstVisiblePosition();
+ mFirstPositions.add(firstPosition);
+
+ View view = mList.getChildAt(0);
+ int top = (view == null) ? 0 : view.getTop() ;
+
+ mTops.add(top);
+
+ // Save the height of a cell
+ mHeightCell = (view == null || mHeightCell != 0) ? mHeightCell : view.getHeight();
+ }
+
+
@Override
- public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
+ public void onItemClick (AdapterView<?> parent, View view, int position, long id) {
// to be @overriden
}
+ @Override
+ public void onRefresh() {
+ // to be @overriden
+ mRefreshLayout.setRefreshing(false);
+ mRefreshEmptyLayout.setRefreshing(false);
+
+ if (mOnRefreshListener != null) {
+ mOnRefreshListener.onRefresh();
+ }
+ }
+ public void setOnRefreshListener(OnEnforceableRefreshListener listener) {
+ mOnRefreshListener = listener;
+ }
+
+
+ /**
+ * Enables swipe gesture
+ */
+ public void enableSwipe() {
+ mRefreshLayout.setEnabled(true);
+ }
+
+ /**
+ * Disables swipe gesture. It prevents manual gestures but keeps the option you show
+ * refreshing programmatically.
+ */
+ public void disableSwipe() {
+ mRefreshLayout.setEnabled(false);
+ }
+
+ /**
+ * It shows the SwipeRefreshLayout progress
+ */
+ public void showSwipeProgress() {
+ mRefreshLayout.setRefreshing(true);
+ }
+
+ /**
+ * It shows the SwipeRefreshLayout progress
+ */
+ public void hideSwipeProgress() {
+ mRefreshLayout.setRefreshing(false);
+ }
+
+ /**
+ * Set message for empty list view
+ */
+ public void setMessageForEmptyList(String message) {
+ if (mEmptyListMessage != null) {
+ mEmptyListMessage.setText(message);
+ }
+ }
+
+ /**
+ * Get the text of EmptyListMessage TextView
+ *
+ * @return String
+ */
+ public String getEmptyViewText() {
+ return (mEmptyListMessage != null) ? mEmptyListMessage.getText().toString() : "";
+ }
+
+ private void onCreateSwipeToRefresh(SwipeRefreshLayout refreshLayout) {
+ // Colors in animations: background
+ refreshLayout.setColorScheme(R.color.background_color, R.color.background_color, R.color.background_color,
+ R.color.background_color);
+
+ refreshLayout.setOnRefreshListener(this);
+ }
+
+ @Override
+ public void onRefresh(boolean ignoreETag) {
+ mRefreshLayout.setRefreshing(false);
+ mRefreshEmptyLayout.setRefreshing(false);
+
+ if (mOnRefreshListener != null) {
+ mOnRefreshListener.onRefresh(ignoreETag);
+ }
+ }
}
projects / pub / Android / ownCloud.git / blobdiff