app/src/main/java/jp/sourceforge/gokigen/memoma/dialogs/ConfirmationDialog.java

   1 package jp.sourceforge.gokigen.memoma.dialogs;
   2
   3 import android.app.AlertDialog;
   4 import android.app.Dialog;
   5 import android.content.Context;
   6 import android.content.DialogInterface;
   7 import android.view.LayoutInflater;
   8 import android.view.View;
   9 import android.widget.TextView;
  10
  11 import jp.sourceforge.gokigen.memoma.R;
  12
  13 /**
  14  *   はい か いいえ を入力するダイアログを準備する
  15  *
  16  * @author MRSa
  17  *
  18  */
  19 public class ConfirmationDialog
  20 {
  21         private Context context;
  22         private IResultReceiver resultReceiver = null;
  23     private String  message = "";
  24         private String  title = "";
  25         private int    icon = 0;
  26
  27         public ConfirmationDialog(Context arg)
  28         {
  29                 context = arg;
  30         }
  31
  32         /**
  33          *  クラスの準備
  34      *
  35          */
  36         public void prepare(IResultReceiver receiver, int titleIcon, String titleMessage, String confirmMessage)
  37         {
  38                 if (receiver != null)
  39                 {
  40                         resultReceiver = receiver;
  41                 }
  42                 icon = titleIcon;
  43                 title = titleMessage;
  44         message = confirmMessage;
  45         }
  46
  47     /**
  48      *   確認ダイアログを応答する
  49      *
  50      */
  51     public Dialog getDialog()
  52     {
  53         LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  54         if (inflater == null)
  55         {
  56             return (null);
  57         }
  58         final View layout = inflater.inflate(R.layout.confirmationdialog, null);
  59
  60         AlertDialog.Builder builder = new AlertDialog.Builder(context);
  61         final TextView  textView = layout.findViewById(R.id.confirm_message);
  62
  63         // 表示するデータ（アイコン、ダイアログタイトル、メッセージ）を準備する
  64         if (icon != 0)
  65         {
  66             builder.setIcon(icon);
  67         }
  68         if (title != null)
  69         {
  70             builder.setTitle(title);
  71         }
  72         if (message != null)
  73         {
  74                 textView.setText(message);
  75         }
  76         builder.setView(layout);
  77         builder.setCancelable(false);
  78         builder.setPositiveButton(context.getString(R.string.confirmYes), new DialogInterface.OnClickListener()
  79               {
  80                    public void onClick(DialogInterface dialog, int id)
  81                    {
  82                            if (resultReceiver != null)
  83                            {
  84                                resultReceiver.acceptConfirmation();
  85                            }
  86                        dialog.cancel();
  87                        System.gc();
  88                    }
  89                });
  90         builder.setNegativeButton(context.getString(R.string.confirmNo), new DialogInterface.OnClickListener()
  91                {
  92                    public void onClick(DialogInterface dialog, int id)
  93                    {
  94                            if (resultReceiver != null)
  95                            {
  96                                resultReceiver.rejectConfirmation();
  97                            }
  98                        dialog.cancel();
  99                        System.gc();
 100                    }
 101                });
 102         return (builder.create());
 103     }
 104
 105     public interface IResultReceiver
 106     {
 107         void acceptConfirmation();
 108         void rejectConfirmation();
 109     }
 110 }