1 package org.hedgewars.hedgeroid.util;

     2 

     3 import android.app.Activity;

     4 import android.app.AlertDialog;

     5 import android.app.Dialog;

     6 import android.content.DialogInterface;

     7 import android.os.Bundle;

     8 import android.support.v4.app.DialogFragment;

     9 import android.view.KeyEvent;

    10 import android.view.inputmethod.EditorInfo;

    11 import android.widget.EditText;

    12 import android.widget.TextView;

    13 import android.widget.TextView.OnEditorActionListener;

    14 

    15 /**

    16  * A generic text input dialog with configurable text. The Activity must implement the callback

    17  * interface TextInputDialogListener, which will be called by the dialog if it is submitted or cancelled.

    18  */

    19 public class TextInputDialog extends DialogFragment {

    20 	private static final String BUNDLE_DIALOG_ID = "dialogId";

    21 	private static final String BUNDLE_TITLE_TEXT = "title";

    22 	private static final String BUNDLE_MESSAGE_TEXT = "message";

    23 	private static final String BUNDLE_HINT_TEXT = "hint";

    24 	

    25 	private int dialogId, titleText, messageText, hintText;

    26 	private TextInputDialogListener listener;

    27 	

    28 	public interface TextInputDialogListener {

    29 		void onTextInputDialogSubmitted(int dialogId, String text);

    30 		void onTextInputDialogCancelled(int dialogId);

    31 	}

    32 	

    33 	/**

    34 	 * The dialogId is only used for passing back to the callback on the activity, the

    35 	 * other parameters are text resource IDs. Pass 0 for any of them to not use this

    36 	 * text.

    37 	 */

    38 	public TextInputDialog(int dialogId, int titleText, int messageText, int hintText) {

    39 		this.dialogId = dialogId;

    40 		this.titleText = titleText;

    41 		this.messageText = messageText;

    42 		this.hintText = hintText;

    43 	}

    44 	

    45 	public TextInputDialog() {

    46 		// Only for reflection-based instantiation by the framework

    47 	}

    48 	

    49 	@Override

    50 	public void onAttach(Activity activity) {

    51 		super.onAttach(activity);

    52 		try {

    53 			listener = (TextInputDialogListener) activity;

    54 		} catch(ClassCastException e) {

    55 			throw new ClassCastException("Activity " + activity + " must implement TextInputDialogListener to use TextInputDialog.");

    56 		}

    57 	}

    58 	

    59 	@Override

    60 	public void onDetach() {

    61 		super.onDetach();

    62 		listener = null;

    63 	}

    64 	

    65 	@Override

    66 	public Dialog onCreateDialog(Bundle savedInstanceState) {

    67 		if(savedInstanceState != null) {

    68 			dialogId = savedInstanceState.getInt(BUNDLE_DIALOG_ID, dialogId);

    69 			titleText = savedInstanceState.getInt(BUNDLE_TITLE_TEXT, titleText);

    70 			messageText = savedInstanceState.getInt(BUNDLE_MESSAGE_TEXT, messageText);

    71 			hintText = savedInstanceState.getInt(BUNDLE_HINT_TEXT, hintText);

    72 		}

    73 		

    74 		final EditText editText = new EditText(getActivity());

    75 		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

    76 		

    77 		if(titleText != 0) {

    78 			builder.setTitle(titleText);

    79 		}

    80 		if(messageText != 0) {

    81 			builder.setTitle(messageText);

    82 		}

    83 		if(hintText != 0) {

    84 			editText.setHint(hintText);

    85 		}

    86 		

    87 		editText.setId(android.R.id.text1);

    88 		editText.setImeOptions(EditorInfo.IME_ACTION_DONE);

    89 		editText.setSingleLine();

    90 

    91 		builder.setView(editText);

    92 		builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {

    93 			public void onClick(DialogInterface dialog, int which) {

    94 				dialog.cancel();

    95 			}

    96 		});

    97 		

    98 		editText.setOnEditorActionListener(new OnEditorActionListener() {

    99 			public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {

   100 				listener.onTextInputDialogSubmitted(dialogId, v.getText().toString());

   101 				return true;

   102 			}

   103 		});

   104 		

   105 		builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {

   106 			public void onClick(DialogInterface dialog, int which) {

   107 				listener.onTextInputDialogSubmitted(dialogId, editText.getText().toString());

   108 			}

   109 		});

   110 

   111 		return builder.create();

   112 	}

   113 	

   114 	@Override

   115 	public void onSaveInstanceState(Bundle icicle) {

   116 		super.onSaveInstanceState(icicle);

   117 		icicle.putInt(BUNDLE_DIALOG_ID, dialogId);

   118 		icicle.putInt(BUNDLE_TITLE_TEXT, titleText);

   119 		icicle.putInt(BUNDLE_MESSAGE_TEXT, messageText);

   120 		icicle.putInt(BUNDLE_HINT_TEXT, hintText);

   121 	}

   122 	

   123 	@Override

   124 	public void onCancel(DialogInterface dialog) {

   125 		super.onCancel(dialog);

   126 		listener.onTextInputDialogCancelled(dialogId);

   127 	}

   128 }