com.app.blockydemo.ui.fragment.BrickCategoryFragment.java Source code

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Here is the source code for com.app.blockydemo.ui.fragment.BrickCategoryFragment.java

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/**
 *  Catroid: An on-device visual programming system for Android devices
 *  Copyright (C) 2010-2013 The Catrobat Team
 *  (<http://developer.catrobat.org/credits>)
 *  
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *  
 *  An additional term exception under section 7 of the GNU Affero
 *  General Public License, version 3, is available at
 *  http://developer.catrobat.org/license_additional_term
 *  
 *  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 Affero General Public License for more details.
 *  
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.app.blockydemo.ui.fragment;

import android.app.ActionBar;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.ListFragment;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;

import com.app.blockydemo.R;
import com.app.blockydemo.ui.BottomBar;
import com.app.blockydemo.ui.ViewSwitchLock;
import com.app.blockydemo.ui.adapter.BrickCategoryAdapter;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.locks.Lock;

public class BrickCategoryFragment extends ListFragment {

    public static final String BRICK_CATEGORY_FRAGMENT_TAG = "brick_category_fragment";

    private CharSequence previousActionBarTitle;
    private OnCategorySelectedListener onCategorySelectedListener;
    BrickCategoryAdapter adapter;

    private Lock viewSwitchLock = new ViewSwitchLock();

    public void setOnCategorySelectedListener(OnCategorySelectedListener listener) {
        onCategorySelectedListener = listener;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_brick_categories, null);

        setUpActionBar();
        BottomBar.hideBottomBar(getActivity());
        setupBrickCategories();

        return rootView;
    }

    @Override
    public void onStart() {
        super.onStart();

        getListView().setOnItemClickListener(new ListView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (!viewSwitchLock.tryLock()) {
                    return;
                }

                if (onCategorySelectedListener != null) {
                    onCategorySelectedListener.onCategorySelected(adapter.getItem(position));
                }
            }
        });
    }

    @Override
    public void onResume() {
        super.onResume();
        setupBrickCategories();
    }

    @Override
    public void onDestroy() {
        resetActionBar();
        BottomBar.showBottomBar(getActivity());
        super.onDestroy();
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);
    }

    private void setUpActionBar() {
        ActionBar actionBar = getActivity().getActionBar();
        actionBar.setDisplayShowTitleEnabled(true);

        this.previousActionBarTitle = actionBar.getTitle();
        actionBar.setTitle(R.string.categories);
    }

    private void resetActionBar() {
        ActionBar actionBar = getActivity().getActionBar();
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setTitle(this.previousActionBarTitle);
    }

    private void setupBrickCategories() {
        LayoutInflater inflater = getActivity().getLayoutInflater();
        List<View> categories = new ArrayList<View>();
        categories.add(inflater.inflate(R.layout.brick_category_control, null));
        categories.add(inflater.inflate(R.layout.brick_category_uservariables, null));
        categories.add(inflater.inflate(R.layout.brick_category_math, null));

        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
        if (sharedPreferences.getBoolean("setting_mindstorm_bricks", false)) {
            categories.add(inflater.inflate(R.layout.brick_category_math, null));
        }

        adapter = new BrickCategoryAdapter(categories);
        this.setListAdapter(adapter);
    }

    public interface OnCategorySelectedListener {

        void onCategorySelected(String category);

    }
}