git.gag.com Git - debian/openrocket/blob - android/src/net/sf/openrocket/android/motor/MotorListDialogFragment.java

   1 package net.sf.openrocket.android.motor;\r
   2 \r
   3 import net.sf.openrocket.R;\r
   4 import net.sf.openrocket.android.db.DbAdapter;\r
   5 import net.sf.openrocket.android.db.MotorDao;\r
   6 import net.sf.openrocket.android.util.AndroidLogWrapper;\r
   7 import net.sf.openrocket.android.util.PersistentExpandableListView;\r
   8 import android.app.AlertDialog;\r
   9 import android.app.Dialog;\r
  10 import android.content.Context;\r
  11 import android.database.Cursor;\r
  12 import android.os.Bundle;\r
  13 import android.view.View;\r
  14 import android.widget.ExpandableListView;\r
  15 import android.widget.ResourceCursorTreeAdapter;\r
  16 import android.widget.TextView;\r
  17 \r
  18 import com.actionbarsherlock.app.SherlockDialogFragment;\r
  19 \r
  20 public class MotorListDialogFragment extends SherlockDialogFragment \r
  21 implements ExpandableListView.OnChildClickListener\r
  22 {\r
  23 \r
  24         public interface OnMotorSelectedListener {\r
  25                 public void onMotorSelected( long motorId );\r
  26         }\r
  27 \r
  28         private final static String groupColumn = MotorDao.DIAMETER;\r
  29 \r
  30         private DbAdapter mDbHelper;\r
  31 \r
  32         private ExpandableListView list;\r
  33 \r
  34         private OnMotorSelectedListener motorSelectedListener;\r
  35 \r
  36         public void setMotorSelectedListener(\r
  37                         OnMotorSelectedListener motorSelectedListener) {\r
  38                 this.motorSelectedListener = motorSelectedListener;\r
  39         }\r
  40 \r
  41         @Override\r
  42         public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {\r
  43                 if( motorSelectedListener != null ) {\r
  44                         motorSelectedListener.onMotorSelected(id);\r
  45                 }\r
  46                 return true;\r
  47         }\r
  48 \r
  49         @Override\r
  50         public Dialog onCreateDialog(Bundle savedInstanceState) {\r
  51                 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());\r
  52                 builder.setTitle("Select Motor");\r
  53                 list = new PersistentExpandableListView(getActivity());\r
  54                 list.setOnChildClickListener( this );\r
  55                 refreshData();\r
  56                 builder.setView( list );\r
  57                 return builder.create();\r
  58         }\r
  59 \r
  60         @Override\r
  61         public void onPause() {\r
  62                 super.onPause();\r
  63                 mDbHelper.close();\r
  64         }\r
  65 \r
  66         public void refreshData() {\r
  67                 if ( mDbHelper == null ) {\r
  68                         mDbHelper = new DbAdapter(getActivity());\r
  69                 }\r
  70                 mDbHelper.open();\r
  71 \r
  72                 Cursor motorCounter = mDbHelper.getMotorDao().fetchAllMotors();\r
  73                 int motorCount = motorCounter.getCount();\r
  74                 motorCounter.close();\r
  75                 \r
  76                 if ( motorCount == 0 ) {\r
  77                         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());\r
  78                         builder.setTitle("No Motors Found");\r
  79                         builder.setMessage("Motors can be downloaded from thrustcurve");\r
  80                         builder.setCancelable(true);\r
  81                         AlertDialog dialog = builder.create();\r
  82                         dialog.setCanceledOnTouchOutside(true);\r
  83                         dialog.show();\r
  84                 }\r
  85 \r
  86                 Cursor motorCursor = mDbHelper.getMotorDao().fetchGroups(groupColumn);\r
  87                 MotorHierarchicalListAdapter mAdapter = new MotorHierarchicalListAdapter( \r
  88                                 getActivity(),\r
  89                                 motorCursor,\r
  90                                 R.layout.motor_list_group,\r
  91                                 R.layout.motor_list_child);\r
  92                 list.setAdapter(mAdapter);\r
  93         }\r
  94 \r
  95         public class MotorHierarchicalListAdapter extends ResourceCursorTreeAdapter\r
  96         {\r
  97 \r
  98                 // Note that the constructor does not take a Cursor. This is done to avoid querying the \r
  99                 // database on the main thread.\r
 100                 public MotorHierarchicalListAdapter(Context context, Cursor cursor, int groupLayout,\r
 101                                 int childLayout ) {\r
 102 \r
 103                         super(context, cursor, groupLayout, childLayout);\r
 104                 }\r
 105 \r
 106                 @Override\r
 107                 protected Cursor getChildrenCursor(Cursor arg0) {\r
 108                         AndroidLogWrapper.d(MotorListFragment.class,"getChildrenCursor");\r
 109                         String group = arg0.getString(arg0.getColumnIndex(groupColumn));\r
 110                         Cursor c = mDbHelper.getMotorDao().fetchAllInGroups(groupColumn,group);\r
 111                         return c;\r
 112                 }\r
 113 \r
 114                 @Override\r
 115                 public long getGroupId(int groupPosition) {\r
 116                         return groupPosition;\r
 117                 }\r
 118 \r
 119                 /* (non-Javadoc)\r
 120                  * @see android.widget.CursorTreeAdapter#bindChildView(android.view.View, android.content.Context, android.database.Cursor, boolean)\r
 121                  */\r
 122                 @Override\r
 123                 protected void bindChildView(View arg0, Context arg1, Cursor arg2,\r
 124                                 boolean arg3) {\r
 125 \r
 126                         TextView manu = (TextView) arg0.findViewById(R.id.motorChildManu);\r
 127                         manu.setText( arg2.getString(arg2.getColumnIndex(MotorDao.MANUFACTURER)));\r
 128 \r
 129                         TextView desig = (TextView) arg0.findViewById(R.id.motorChildName);\r
 130                         desig.setText( arg2.getString(arg2.getColumnIndex(MotorDao.DESIGNATION)));\r
 131 \r
 132                         TextView delays = (TextView) arg0.findViewById(R.id.motorChildDelays);\r
 133                         delays.setText( arg2.getString(arg2.getColumnIndex(MotorDao.DELAYS)));\r
 134 \r
 135                         TextView totImpulse = (TextView) arg0.findViewById(R.id.motorChildImpulse);\r
 136                         totImpulse.setText( arg2.getString(arg2.getColumnIndex(MotorDao.TOTAL_IMPULSE)));\r
 137                 }\r
 138 \r
 139                 /* (non-Javadoc)\r
 140                  * @see android.widget.CursorTreeAdapter#bindGroupView(android.view.View, android.content.Context, android.database.Cursor, boolean)\r
 141                  */\r
 142                 @Override\r
 143                 protected void bindGroupView(View view, Context context, Cursor cursor,\r
 144                                 boolean isExpanded) {\r
 145                         TextView v = (TextView) view.findViewById(R.id.motorGroup);\r
 146                         if ( MotorDao.DIAMETER.equals(groupColumn)) {\r
 147                                 double d = cursor.getDouble( cursor.getColumnIndex(groupColumn));\r
 148                                 v.setText( String.valueOf(Math.round(d * 1000.0)) + " mm");\r
 149                         } else {\r
 150                                 v.setText( cursor.getString( cursor.getColumnIndex(groupColumn)));\r
 151                         }\r
 152                 }\r
 153 \r
 154         }\r
 155 \r
 156 \r
 157 }\r