src/com/owncloud/android/ui/dialog/FileActionsDialogFragment.java

   1 package com.owncloud.android.ui.dialog;
   2
   3 import android.support.v4.app.DialogFragment;
   4 import android.os.Bundle;
   5 import android.view.LayoutInflater;
   6 import android.view.Menu;
   7 import android.view.MenuItem;
   8 import android.view.View;
   9 import android.view.ViewGroup;
  10 import android.view.Window;
  11 import android.widget.AdapterView;
  12 import android.widget.AdapterView.OnItemClickListener;
  13 import android.widget.ArrayAdapter;
  14 import android.widget.ListView;
  15
  16 import com.owncloud.android.R;
  17 import com.owncloud.android.ui.dialog.parcel.MenuItemParcelable;
  18 import com.owncloud.android.ui.dialog.parcel.MenuParcelable;
  19
  20 import java.util.ArrayList;
  21 import java.util.List;
  22
  23 /**
  24  * Dialog for choosing a file action.
  25  */
  26 public class FileActionsDialogFragment extends DialogFragment implements
  27         OnItemClickListener {
  28     private static final String ARG_ITEM_LIST = "ITEM_LIST";
  29     private static final String ARG_FILE_POSITION = "FILE_POSITION";
  30     public static final String FTAG_FILE_ACTIONS = "FILE_ACTIONS_FRAGMENT";
  31
  32     private List<MenuItemParcelable> mMenuItems;
  33
  34     private int mFilePosition;
  35
  36     private ListView mListView;
  37
  38     /**
  39      * Listener interface for the file action fragment.
  40      */
  41     public interface FileActionsDialogFragmentListener {
  42         public boolean onFileActionChosen(int menuId, int filePosition);
  43     }
  44
  45     /**
  46      * Public factory method to create new FileActionsDialogFragment instances.
  47      *
  48      * @param menu menu to be display.
  49      * @return Dialog ready to show.
  50      */
  51     public static FileActionsDialogFragment newInstance(Menu menu, int filePosition) {
  52         FileActionsDialogFragment fragment = new FileActionsDialogFragment();
  53         Bundle args = new Bundle();
  54
  55         MenuParcelable menuParcelable = new MenuParcelable();
  56         menuParcelable.setMenuItems(calculateMenuParcel(menu));
  57
  58         args.putParcelable(ARG_ITEM_LIST, menuParcelable);
  59         args.putInt(ARG_FILE_POSITION, filePosition);
  60
  61         fragment.setArguments(args);
  62         return fragment;
  63     }
  64
  65     /**
  66      * {@inheritDoc}
  67      */
  68     @Override
  69     public void onCreate(Bundle savedInstanceState) {
  70         super.onCreate(savedInstanceState);
  71         setStyle(DialogFragment.STYLE_NORMAL, R.style.ownCloud_Dialog);
  72     }
  73
  74     /**
  75      * {@inheritDoc}
  76      */
  77     @Override
  78     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  79                              Bundle savedInstanceState) {
  80         View view = inflater.inflate(R.layout.file_actions, null, false);
  81         mListView = (ListView) view.findViewById(R.id.file_actions_list);
  82
  83         getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
  84         return view;
  85     }
  86
  87
  88     /**
  89      * {@inheritDoc}
  90      */
  91     @Override
  92     public void onActivityCreated(Bundle savedInstanceState) {
  93         super.onActivityCreated(savedInstanceState);
  94
  95         mFilePosition = getArguments().getInt(ARG_FILE_POSITION);
  96
  97         MenuParcelable menu = getArguments().getParcelable(ARG_ITEM_LIST);
  98         mMenuItems = menu.getMenuItems();
  99         List<String> stringList = new ArrayList<String>();
 100         for (int i = 0; i < mMenuItems.size(); i++) {
 101             stringList.add(mMenuItems.get(i).getMenuText());
 102         }
 103
 104         ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
 105                 R.layout.simple_dialog_list_item, stringList);
 106
 107         mListView.setAdapter(adapter);
 108
 109         mListView.setOnItemClickListener(this);
 110     }
 111
 112     /**
 113      * {@inheritDoc}
 114      */
 115     @Override
 116     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 117         dismiss();
 118         ((FileActionsDialogFragmentListener) getTargetFragment())
 119                 .onFileActionChosen(mMenuItems.get(position).getMenuItemId(), mFilePosition);
 120     }
 121
 122     /**
 123      * calculates a parcelable list of MenuItemParcelable based on the given menu and the visibility of the menu items.
 124      *
 125      * @param menu the menu to be displayed
 126      * @return a filtered List of parcelables based on the menu
 127      */
 128     private static List<MenuItemParcelable> calculateMenuParcel(Menu menu) {
 129         int index = 0;
 130         boolean hasNext = true;
 131         List<MenuItemParcelable> itemList = new ArrayList<MenuItemParcelable>();
 132         MenuParcelable menuParcelable = new MenuParcelable();
 133         try {
 134             while (hasNext) {
 135                 MenuItem item = menu.getItem(index);
 136                 if (item.isVisible()) {
 137                     itemList.add(new MenuItemParcelable(item));
 138                 }
 139                 index++;
 140             }
 141         } catch (IndexOutOfBoundsException iobe) {
 142             // reach the end of the item list
 143         }
 144
 145         return itemList;
 146     }
 147 }