com.loloof64.android.chess_position_manager.file_explorer.ConfirmRemoveElementsDialogFragment.java Source code

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Here is the source code for com.loloof64.android.chess_position_manager.file_explorer.ConfirmRemoveElementsDialogFragment.java

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/**
 * This file is part of ChessPositionManagerAndroid.
    
 ChessPositionManagerAndroid 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 3 of the License, or
 (at your option) any later version.
    
 ChessPositionManagerAndroid 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 ChessPositionManagerAndroid.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.loloof64.android.chess_position_manager.file_explorer;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;

import com.loloof64.android.chess_position_manager.R;

import java.util.Arrays;

/**
 * Created by laurent-bernabe on 24/12/14.
 */
public class ConfirmRemoveElementsDialogFragment extends DialogFragment {

    public final static String FOLDERS_TAG = "com.loloof64.android.chess_position_manager.file_explorer.folders";
    public final static String POSITIONS_TAG = "com.loloof64.android.chess_position_manager.file_explorer.positions";

    public interface ConfirmRemoveElementsListener {
        void onConfirmRemoveElementsDialogPositiveClick(String[] foldersNames, String[] filesNames);
    }

    @NonNull
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        LayoutInflater inflater = getActivity().getLayoutInflater();
        final View view = inflater.inflate(R.layout.remove_elements_confirm_dialog_layout, null);

        TextView foldersView = (TextView) view.findViewById(R.id.removing_elements_folders_list);
        TextView positionsView = (TextView) view.findViewById(R.id.removing_elements_positions_list);

        String[] tempFolders = new String[0];
        String[] tempPositions = new String[0];

        Bundle arguments = getArguments();
        if (arguments != null) {
            tempFolders = arguments.getStringArray(FOLDERS_TAG);
            tempPositions = arguments.getStringArray(POSITIONS_TAG);
        }

        Arrays.sort(tempFolders);
        Arrays.sort(tempPositions);

        final String[] folders = tempFolders;
        final String[] positions = tempPositions;

        StringBuilder foldersTxtBuilder = new StringBuilder();
        StringBuilder positionsTxtBuilder = new StringBuilder();

        for (String currentFolder : folders) {
            foldersTxtBuilder.append(String.format("-) %s\n", currentFolder));
        }

        for (String currentPosition : positions) {
            positionsTxtBuilder.append(String.format("-) %s\n", currentPosition));
        }

        foldersView.setText(folders.length > 0 ? foldersTxtBuilder : getString(R.string.none));
        positionsView.setText(positions.length > 0 ? positionsTxtBuilder : getString(R.string.none));

        builder.setTitle(R.string.title_removing_elements).setView(view)
                .setPositiveButton(R.string.action_validate, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        listener.onConfirmRemoveElementsDialogPositiveClick(folders, positions);
                    }
                }).setNegativeButton(R.string.action_cancel, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        ConfirmRemoveElementsDialogFragment.this.getDialog().cancel();
                    }
                });

        return builder.create();
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);

        // Verify that the host activity implements the callback interface
        try {
            // Instantiate the dialogListener so we can send events to the host
            listener = (ConfirmRemoveElementsListener) activity;
        } catch (ClassCastException e) {
            // The activity doesn't implement the interface, throw exception
            throw new ClassCastException(activity.toString() + " must implement ConfirmRemoveElementsListener");
        }
    }

    private ConfirmRemoveElementsListener listener;
}