src/com/owncloud/android/ui/FragmentListView.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 3 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.ui;
  21
  22 import com.actionbarsherlock.app.SherlockFragment;
  23 import com.owncloud.android.R;
  24 import com.owncloud.android.ui.fragment.LocalFileListFragment;
  25
  26 import android.os.Bundle;
  27 import android.view.LayoutInflater;
  28 import android.view.View;
  29 import android.view.ViewGroup;
  30 import android.widget.AdapterView;
  31 import android.widget.AdapterView.OnItemLongClickListener;
  32 import android.widget.ListAdapter;
  33 import android.widget.AdapterView.OnItemClickListener;
  34 import android.widget.ListView;
  35
  36 public class FragmentListView extends SherlockFragment implements
  37         OnItemClickListener, OnItemLongClickListener {
  38     protected ExtendedListView mList;
  39
  40     @Override
  41     public void onCreate(Bundle savedInstanceState) {
  42         super.onCreate(savedInstanceState);
  43     }
  44
  45     public void setListAdapter(ListAdapter listAdapter) {
  46         mList.setAdapter(listAdapter);
  47         mList.invalidate();
  48     }
  49
  50     public ListView getListView() {
  51         return mList;
  52     }
  53
  54     @Override
  55     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  56             Bundle savedInstanceState) {
  57         //mList = new ExtendedListView(getActivity());
  58         View v = inflater.inflate(R.layout.list_fragment, null);
  59         mList = (ExtendedListView)(v.findViewById(R.id.list_root));
  60         mList.setOnItemClickListener(this);
  61         mList.setOnItemLongClickListener(this);
  62         //mList.setEmptyView(v.findViewById(R.id.empty_list_view));     // looks like it's not a cool idea
  63         mList.setDivider(getResources().getDrawable(R.drawable.uploader_list_separator));
  64         mList.setDividerHeight(1);
  65         return v;
  66     }
  67
  68     public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
  69     }
  70
  71     @Override
  72     public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int arg2,
  73             long arg3) {
  74         return false;
  75     }
  76
  77
  78     /**
  79      * Calculates the position of the item that will be used as a reference to reposition the visible items in the list when
  80      * the device is turned to other position.
  81      *
  82      * THe current policy is take as a reference the visible item in the center of the screen.
  83      *
  84      * @return      The position in the list of the visible item in the center of the screen.
  85      */
  86     protected int getReferencePosition() {
  87         return (mList.getFirstVisiblePosition() + mList.getLastVisiblePosition()) / 2;
  88     }
  89
  90
  91     /**
  92      * Sets the visible part of the list from the reference position.
  93      *
  94      * @param   position    Reference position previously returned by {@link LocalFileListFragment#getReferencePosition()}
  95      */
  96     protected void setReferencePosition(int position) {
  97         mList.setAndCenterSelection(position);
  98     }
  99
 100
 101 }