mainActivity/src/com/example/furt/myapplication/CopyPasteDialog.java

   1 package com.example.furt.myapplication;
   2
   3 import android.app.AlertDialog;
   4 import android.app.Dialog;
   5 import android.app.DialogFragment;
   6 import android.content.DialogInterface;
   7 import android.os.Bundle;
   8
   9 import java.util.ArrayList;
  10
  11 /**CopyPasteDialog: dialog per la gestione delle operazioni di copia e cancellazione su
  12  * nodi intermedi dell'albero
  13  */
  14 public class CopyPasteDialog extends DialogFragment {
  15     Node thisNode; //nodo legato a questo Dialog
  16     public CopyPasteDialog(Node n)
  17     {
  18         thisNode=n;
  19     }
  20     @Override
  21     public Dialog onCreateDialog(final Bundle savedInstanceState) {
  22         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
  23         builder.setMessage("Seleziona un'operazione:")
  24                 .setPositiveButton("Copia", new DialogInterface.OnClickListener() {
  25                     public void onClick(DialogInterface dialog, int id) {
  26                         DrawActivity.copiedNode=thisNode; //il nodo viene copiato
  27                     }
  28                 });
  29             builder.setNeutralButton("Cancella", new DialogInterface.OnClickListener() {
  30                 public void onClick(DialogInterface dialog, int id) {
  31                     DrawActivity.selectedNode.Children = new ArrayList<Node>(); //eliminazione del sottoalbero
  32                     DrawActivity.rootNode.Clean();
  33                     DrawActivity.startDraw();
  34                 }
  35             });
  36         builder.setNegativeButton("Annulla", new DialogInterface.OnClickListener() {
  37             public void onClick(DialogInterface dialog, int id) {
  38             }
  39         });
  40         // Create the AlertDialog object and return it
  41         return builder.create();
  42     }
  43 }