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 import android.widget.TextView;
  16
  17 import com.owncloud.android.R;
  18 import com.owncloud.android.ui.dialog.parcel.MenuItemParcelable;
  19 import com.owncloud.android.ui.dialog.parcel.MenuParcelable;
  20
  21 import java.util.ArrayList;
  22 import java.util.List;
  23
  24 /**
  25  * Dialog for choosing a file action.
  26  */
  27 public class FileActionsDialogFragment extends DialogFragment implements
  28         OnItemClickListener {
  29     private static final String ARG_ITEM_LIST = "ITEM_LIST";
  30     private static final String ARG_FILE_POSITION = "FILE_POSITION";
  31     private static final String ARG_FILE_NAME = "FILE_NAME";
  32     public static final String FTAG_FILE_ACTIONS = "FILE_ACTIONS_FRAGMENT";
  33
  34     private List<MenuItemParcelable> mMenuItems;
  35
  36     private int mFilePosition;
  37
  38     private ListView mListView;
  39
  40     /**
  41      * Listener interface for the file action fragment.
  42      */
  43     public interface FileActionsDialogFragmentListener {
  44         public boolean onFileActionChosen(int menuId, int filePosition);
  45     }
  46
  47     /**
  48      * Public factory method to create new FileActionsDialogFragment instances.
  49      *
  50      * @param menu menu to be display.
  51      * @return Dialog ready to show.
  52      */
  53     public static FileActionsDialogFragment newInstance(Menu menu, int filePosition, String fileName) {
  54         FileActionsDialogFragment fragment = new FileActionsDialogFragment();
  55         Bundle args = new Bundle();
  56
  57         MenuParcelable menuParcelable = new MenuParcelable();
  58         menuParcelable.setMenuItems(calculateMenuParcel(menu));
  59
  60         args.putParcelable(ARG_ITEM_LIST, menuParcelable);
  61         args.putInt(ARG_FILE_POSITION, filePosition);
  62         args.putCharSequence(ARG_FILE_NAME, fileName);
  63
  64         fragment.setArguments(args);
  65         return fragment;
  66     }
  67
  68     /**
  69      * {@inheritDoc}
  70      */
  71     @Override
  72     public void onCreate(Bundle savedInstanceState) {
  73         super.onCreate(savedInstanceState);
  74         setStyle(DialogFragment.STYLE_NORMAL, R.style.ownCloud_Dialog);
  75     }
  76
  77     /**
  78      * {@inheritDoc}
  79      */
  80     @Override
  81     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  82                              Bundle savedInstanceState) {
  83         View view = inflater.inflate(R.layout.file_actions, null, false);
  84         mListView = (ListView) view.findViewById(R.id.file_actions_list);
  85
  86         CharSequence title =  getArguments().getCharSequence(ARG_FILE_NAME);
  87         if(title != null && title.length() > 0) {
  88             TextView header = (TextView)view.findViewById(R.id.file_actions_header);
  89             header.setText(title);
  90             header.setVisibility(View.VISIBLE);
  91             view.findViewById(R.id.file_actions_header_divider).setVisibility(View.VISIBLE);
  92         } else {
  93             getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
  94         }
  95
  96         return view;
  97     }
  98
  99
 100     /**
 101      * {@inheritDoc}
 102      */
 103     @Override
 104     public void onActivityCreated(Bundle savedInstanceState) {
 105         super.onActivityCreated(savedInstanceState);
 106
 107         mFilePosition = getArguments().getInt(ARG_FILE_POSITION);
 108
 109         MenuParcelable menu = getArguments().getParcelable(ARG_ITEM_LIST);
 110         mMenuItems = menu.getMenuItems();
 111         List<String> stringList = new ArrayList<String>();
 112         for (int i = 0; i < mMenuItems.size(); i++) {
 113             stringList.add(mMenuItems.get(i).getMenuText());
 114         }
 115
 116         ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
 117                 R.layout.simple_dialog_list_item, stringList);
 118
 119         mListView.setAdapter(adapter);
 120
 121         mListView.setOnItemClickListener(this);
 122     }
 123
 124     /**
 125      * {@inheritDoc}
 126      */
 127     @Override
 128     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 129         dismiss();
 130         ((FileActionsDialogFragmentListener) getTargetFragment())
 131                 .onFileActionChosen(mMenuItems.get(position).getMenuItemId(), mFilePosition);
 132     }
 133
 134     /**
 135      * calculates a parcelable list of MenuItemParcelable based on the given menu and the visibility of the menu items.
 136      *
 137      * @param menu the menu to be displayed
 138      * @return a filtered List of parcelables based on the menu
 139      */
 140     private static List<MenuItemParcelable> calculateMenuParcel(Menu menu) {
 141         int index = 0;
 142         boolean hasNext = true;
 143         List<MenuItemParcelable> itemList = new ArrayList<MenuItemParcelable>();
 144         MenuParcelable menuParcelable = new MenuParcelable();
 145         try {
 146             while (hasNext) {
 147                 MenuItem item = menu.getItem(index);
 148                 if (item.isVisible()) {
 149                     itemList.add(new MenuItemParcelable(item));
 150                 }
 151                 index++;
 152             }
 153         } catch (IndexOutOfBoundsException iobe) {
 154             // reach the end of the item list
 155         }
 156
 157         return itemList;
 158     }
 159 }