src/pl/blip/divide/bliper/DashboardView.java

   1 package pl.blip.divide.bliper;
   2
   3 import android.app.Activity;
   4 import android.content.AsyncQueryHandler;
   5 import android.content.Context;
   6 import android.database.Cursor;
   7 import android.net.Uri;
   8 import android.util.AttributeSet;
   9 import android.view.LayoutInflater;
  10 import android.view.View;
  11 import android.view.ViewGroup;
  12 import android.widget.CursorAdapter;
  13 import android.widget.ImageView;
  14 import android.widget.ListView;
  15 import android.widget.TextView;
  16
  17 public class DashboardView extends ListView {
  18         private class DashboardAdapter extends CursorAdapter {
  19                 private LayoutInflater inflater;
  20                 private final Uri uri = Blip.DASHBOARD_URI;
  21
  22                 private class QueryHandler extends AsyncQueryHandler {
  23                         public QueryHandler() {
  24                                 super(getContext().getContentResolver());
  25                         }
  26
  27                         public void startQuery() {
  28                                 startQuery(0, null, uri, PROJECTION, null, null, null);
  29                         }
  30
  31                         @Override
  32                         protected void onQueryComplete(int token, Object cookie,
  33                                         Cursor cursor) {
  34                                 super.onQueryComplete(token, cookie, cursor);
  35                                 changeCursor(cursor);
  36                         }
  37                 }
  38
  39                 private final QueryHandler queryHandler = new QueryHandler();
  40
  41                 private final String[] PROJECTION = {
  42                                 "_id", "body", "user/avatar/url_50"
  43                 };
  44                 private final int BODY_COLUMN = 1, AVATAR_COLUMN = 2;
  45
  46                 public DashboardAdapter(Context context) {
  47                         super(context, null, false);
  48                         inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  49                         queryHandler.startQuery();
  50                 }
  51
  52                 @Override
  53                 public void bindView(View view, Context context, Cursor cursor) {
  54                         TextView bodyView = (TextView) view.findViewById(R.id.update);
  55
  56                         ImageView avatarView = (ImageView) view.findViewById(R.id.avatar);
  57                         bodyView.setText(cursor.getString(BODY_COLUMN));
  58                         if (avatarView != null)
  59                                 if (cursor.isNull(AVATAR_COLUMN))
  60                                         avatarView.setImageResource(R.drawable.nn_standard);
  61                                 else
  62                                         avatarView.setImageURI(Uri.withAppendedPath(Blip.CONTENT_URI, cursor.getString(AVATAR_COLUMN)));
  63                 }
  64
  65                 @Override
  66                 public View newView(Context context, Cursor cursor, ViewGroup parent) {
  67                         return inflater.inflate(R.layout.update_list_item, parent, false);
  68                 }
  69         }
  70
  71         private Activity activity;
  72
  73         public DashboardView(Context context, AttributeSet attrs) {
  74                 super(context, attrs);
  75                 activity = (Activity) context;
  76         }
  77
  78         public void bindDashboard() {
  79                 setAdapter(new DashboardAdapter(activity));
  80         }
  81 }