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

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