/*

 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game

 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 */

package org.hedgewars.hedgeroid.util;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.Dialog;

import android.content.DialogInterface;

import android.os.Bundle;

import android.support.v4.app.DialogFragment;

import android.view.KeyEvent;

import android.view.inputmethod.EditorInfo;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.TextView.OnEditorActionListener;

/**

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

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

 */

public class TextInputDialog extends DialogFragment {

    private static final String BUNDLE_DIALOG_ID = "dialogId";

    private static final String BUNDLE_TITLE_TEXT = "title";

    private static final String BUNDLE_MESSAGE_TEXT = "message";

    private static final String BUNDLE_HINT_TEXT = "hint";

    private int dialogId, titleText, messageText, hintText;

    private TextInputDialogListener listener;

    public interface TextInputDialogListener {

        void onTextInputDialogSubmitted(int dialogId, String text);

        void onTextInputDialogCancelled(int dialogId);

    }

    /**

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

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

     * text.

     */

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

        this.dialogId = dialogId;

        this.titleText = titleText;

        this.messageText = messageText;

        this.hintText = hintText;

    }

    public TextInputDialog() {

        // Only for reflection-based instantiation by the framework

    }

    @Override

    public void onAttach(Activity activity) {

        super.onAttach(activity);

        try {

            listener = (TextInputDialogListener) activity;

        } catch(ClassCastException e) {

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

        }

    }

    @Override

    public void onDetach() {

        super.onDetach();

        listener = null;

    }

    @Override

    public Dialog onCreateDialog(Bundle savedInstanceState) {

        if(savedInstanceState != null) {

            dialogId = savedInstanceState.getInt(BUNDLE_DIALOG_ID, dialogId);

            titleText = savedInstanceState.getInt(BUNDLE_TITLE_TEXT, titleText);

            messageText = savedInstanceState.getInt(BUNDLE_MESSAGE_TEXT, messageText);

            hintText = savedInstanceState.getInt(BUNDLE_HINT_TEXT, hintText);

        }

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

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

        if(titleText != 0) {

            builder.setTitle(titleText);

        }

        if(messageText != 0) {

            builder.setTitle(messageText);

        }

        if(hintText != 0) {

            editText.setHint(hintText);

        }

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

        editText.setImeOptions(EditorInfo.IME_ACTION_DONE);

        editText.setSingleLine();

        builder.setView(editText);

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

            public void onClick(DialogInterface dialog, int which) {

                dialog.cancel();

            }

        });

        editText.setOnEditorActionListener(new OnEditorActionListener() {

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

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

                dismiss();

                return true;

            }

        });

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

            public void onClick(DialogInterface dialog, int which) {

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

            }

        });

        return builder.create();

    }

    @Override

    public void onSaveInstanceState(Bundle icicle) {

        super.onSaveInstanceState(icicle);

        icicle.putInt(BUNDLE_DIALOG_ID, dialogId);

        icicle.putInt(BUNDLE_TITLE_TEXT, titleText);

        icicle.putInt(BUNDLE_MESSAGE_TEXT, messageText);

        icicle.putInt(BUNDLE_HINT_TEXT, hintText);

    }

    @Override

    public void onCancel(DialogInterface dialog) {

        super.onCancel(dialog);

        listener.onTextInputDialogCancelled(dialogId);

    }

}