de.uni.stuttgart.informatik.ToureNPlaner.UI.Dialogs.TextDialog.java Source code

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Here is the source code for de.uni.stuttgart.informatik.ToureNPlaner.UI.Dialogs.TextDialog.java

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/*
 * Copyright 2012 ToureNPlaner
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package de.uni.stuttgart.informatik.ToureNPlaner.UI.Dialogs;

import android.app.AlertDialog;
import android.app.Dialog;
import android.support.v4.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.InputType;
import android.view.KeyEvent;
import android.widget.EditText;
import android.widget.TextView;

public abstract class TextDialog extends DialogFragment {

    private EditText input;

    public abstract void doPositiveClick();

    public abstract void doNegativeClick();

    public static TextDialog newInstance(TextDialog dialog, String title, String content) {
        Bundle b = new Bundle();
        b.putString("title", title);
        b.putCharSequence("content", content);
        dialog.setArguments(b);
        return dialog;
    }

    public EditText getInputField() {
        return input;
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putCharSequence("content", input.getText());
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        input = new EditText(getActivity());
        String message = getArguments().getString("title");
        CharSequence content;
        if (savedInstanceState == null) {
            content = getArguments().getCharSequence("content");
        } else {
            content = savedInstanceState.getCharSequence("content");
        }
        input.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
        input.setText(content, TextView.BufferType.SPANNABLE);
        return new AlertDialog.Builder(getActivity()).setTitle(message).setView(input)
                .setPositiveButton(getResources().getText(android.R.string.ok),
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int whichButton) {
                                doPositiveClick();
                            }
                        })
                .setNegativeButton(getResources().getText(android.R.string.cancel),
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int whichButton) {
                                doNegativeClick();
                            }
                        })
                .setOnKeyListener(new DialogInterface.OnKeyListener() {

                    @Override
                    public boolean onKey(DialogInterface dialogInterface, int i, KeyEvent keyEvent) {
                        if ((keyEvent.getAction() == KeyEvent.ACTION_DOWN) && (i == KeyEvent.KEYCODE_ENTER)) {
                            dialogInterface.dismiss();
                            doPositiveClick();
                            return true;
                        }
                        return false;
                    }
                }).create();
    }
}