project_files/Android-build/SDL-android-project/src/org/hedgewars/hedgeroid/util/TextInputDialog.java
author Wuzzy <Wuzzy2@mail.ru>
Thu, 15 Feb 2018 18:32:28 +0100 (2018-02-15)
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/*
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 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
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 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 */
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package org.hedgewars.hedgeroid.util;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.support.v4.app.DialogFragment;
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import android.view.KeyEvent;
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import android.view.inputmethod.EditorInfo;
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import android.widget.EditText;
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import android.widget.TextView;
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import android.widget.TextView.OnEditorActionListener;
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/**
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 * A generic text input dialog with configurable text. The Activity must implement the callback
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 * interface TextInputDialogListener, which will be called by the dialog if it is submitted or cancelled.
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 */
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public class TextInputDialog extends DialogFragment {
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    private static final String BUNDLE_DIALOG_ID = "dialogId";
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    private static final String BUNDLE_TITLE_TEXT = "title";
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    private static final String BUNDLE_MESSAGE_TEXT = "message";
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    private static final String BUNDLE_HINT_TEXT = "hint";
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    private int dialogId, titleText, messageText, hintText;
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    private TextInputDialogListener listener;
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    public interface TextInputDialogListener {
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        void onTextInputDialogSubmitted(int dialogId, String text);
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        void onTextInputDialogCancelled(int dialogId);
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    }
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    /**
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     * The dialogId is only used for passing back to the callback on the activity, the
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     * other parameters are text resource IDs. Pass 0 for any of them to not use this
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     * text.
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     */
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    public TextInputDialog(int dialogId, int titleText, int messageText, int hintText) {
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        this.dialogId = dialogId;
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        this.titleText = titleText;
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        this.messageText = messageText;
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        this.hintText = hintText;
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    }
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    public TextInputDialog() {
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        // Only for reflection-based instantiation by the framework
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    }
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    @Override
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    public void onAttach(Activity activity) {
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        super.onAttach(activity);
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        try {
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            listener = (TextInputDialogListener) activity;
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        } catch(ClassCastException e) {
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            throw new ClassCastException("Activity " + activity + " must implement TextInputDialogListener to use TextInputDialog.");
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        }
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    }
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    @Override
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    public void onDetach() {
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        super.onDetach();
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        listener = null;
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    }
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    @Override
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    public Dialog onCreateDialog(Bundle savedInstanceState) {
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        if(savedInstanceState != null) {
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            dialogId = savedInstanceState.getInt(BUNDLE_DIALOG_ID, dialogId);
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            titleText = savedInstanceState.getInt(BUNDLE_TITLE_TEXT, titleText);
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            messageText = savedInstanceState.getInt(BUNDLE_MESSAGE_TEXT, messageText);
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            hintText = savedInstanceState.getInt(BUNDLE_HINT_TEXT, hintText);
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        }
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        final EditText editText = new EditText(getActivity());
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        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
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        if(titleText != 0) {
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            builder.setTitle(titleText);
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        }
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        if(messageText != 0) {
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            builder.setTitle(messageText);
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        }
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        if(hintText != 0) {
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            editText.setHint(hintText);
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        }
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        editText.setId(android.R.id.text1);
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        editText.setImeOptions(EditorInfo.IME_ACTION_DONE);
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        editText.setSingleLine();
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        builder.setView(editText);
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        builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
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            public void onClick(DialogInterface dialog, int which) {
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                dialog.cancel();
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            }
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        });
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        editText.setOnEditorActionListener(new OnEditorActionListener() {
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            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
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                listener.onTextInputDialogSubmitted(dialogId, v.getText().toString());
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                dismiss();
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                return true;
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            }
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        });
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        builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
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            public void onClick(DialogInterface dialog, int which) {
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                listener.onTextInputDialogSubmitted(dialogId, editText.getText().toString());
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            }
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        });
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        return builder.create();
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    }
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    @Override
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    public void onSaveInstanceState(Bundle icicle) {
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        super.onSaveInstanceState(icicle);
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        icicle.putInt(BUNDLE_DIALOG_ID, dialogId);
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        icicle.putInt(BUNDLE_TITLE_TEXT, titleText);
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        icicle.putInt(BUNDLE_MESSAGE_TEXT, messageText);
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        icicle.putInt(BUNDLE_HINT_TEXT, hintText);
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    }
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    @Override
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    public void onCancel(DialogInterface dialog) {
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        super.onCancel(dialog);
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        listener.onTextInputDialogCancelled(dialogId);
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    }
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}