com.bar.foldinglayout.sample.FoldingPaneLayoutActivity.java Source code

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Here is the source code for com.bar.foldinglayout.sample.FoldingPaneLayoutActivity.java

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/*
 * Copyright 2013 Priboi Tiberiu
 * Copyright 2013 The Android Open Source Project
 *
 * 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 com.bar.foldinglayout.sample;

import android.app.SearchManager;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.Toast;

import com.bar.R;
import com.bar.foldinglayout.folding.FoldingPaneLayout;

/**
 * This example illustrates a common usage of the FoldingPaneLayout widget to
 * add fold effect to SlidingPaneLayout from Android support library.
 */
public class FoldingPaneLayoutActivity extends ActionBarActivity {

    private FoldingPaneLayout mPaneLayout;
    private ListView mPaneList;
    private CharSequence mTitle;
    private String[] mAnimalTitles;
    private ItemSelectedListener mItemSelectedListener;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_pane);

        mAnimalTitles = getResources().getStringArray(R.array.animal_array);
        mPaneLayout = (FoldingPaneLayout) findViewById(R.id.drawer_layout);
        mPaneList = (ListView) findViewById(R.id.left_drawer);

        mItemSelectedListener = new ItemSelectedListener();

        mPaneLayout.getFoldingLayout().setBackgroundColor(Color.BLACK);

        // set up the drawer's list view with items and click listener
        mPaneList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, mAnimalTitles));
        mPaneList.setOnItemClickListener(new DrawerItemClickListener());

        // enable ActionBar app icon to behave as action to toggle nav drawer
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);

        if (savedInstanceState == null) {
            selectItem(0);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu_spinner, menu);

        MenuItem spinerItem = menu.findItem(R.id.num_of_folds);
        Spinner s = (Spinner) MenuItemCompat.getActionView(spinerItem);

        s.setOnItemSelectedListener(mItemSelectedListener);
        return super.onCreateOptionsMenu(menu);
    }

    /* Called whenever we call invalidateOptionsMenu() */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        // If the nav drawer is open, hide action items related to the content
        // view

        return super.onPrepareOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        // Handle action buttons
        switch (item.getItemId()) {
        case R.id.action_websearch:
            // create intent to perform web search for this planet
            Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
            intent.putExtra(SearchManager.QUERY, getSupportActionBar().getTitle());
            // catch event that there's no activity to handle intent
            if (intent.resolveActivity(getPackageManager()) != null) {
                startActivity(intent);
            } else {
                Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show();
            }
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    /* The click listner for ListView in the navigation drawer */
    private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            if (mPaneLayout.isOpen()) {
                selectItem(position);
            }
        }
    }

    private void selectItem(int position) {
        // update the main content by replacing fragments
        Fragment fragment = new AnimalFragment();
        Bundle args = new Bundle();
        args.putInt(AnimalFragment.ARG_ANIMAL_NUMBER, position);
        fragment.setArguments(args);

        FragmentManager fragmentManager = getSupportFragmentManager();
        fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();

        // update selected item and title, then close the drawer
        mPaneList.setItemChecked(position, true);
        setTitle(mAnimalTitles[position]);
        mPaneLayout.closePane();
    }

    @Override
    public void setTitle(CharSequence title) {
        mTitle = title;
        getSupportActionBar().setTitle(mTitle);
    }

    /**
     * When using the ActionBarDrawerToggle, you must call it during
     * onPostCreate() and onConfigurationChanged()...
     */

    /**
     * Listens for selection events of the spinner located on the action bar.
     * Every time a new value is selected, the number of folds in the folding
     * view is updated and is also restored to a default unfolded state.
     */
    private class ItemSelectedListener implements OnItemSelectedListener {
        @Override
        public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {

            int mNumberOfFolds = Integer.parseInt(parent.getItemAtPosition(pos).toString());

            mPaneLayout.getFoldingLayout().setNumberOfFolds(mNumberOfFolds);

        }

        @Override
        public void onNothingSelected(AdapterView<?> arg0) {
        }
    }
}