BaseInfoFragment.java

/*******************************************************************************
 * Copyright 2011 Alexandros Schillings
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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 aws.apps.usbDeviceEnumerator.ui.usbinfo.fragments;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;

import aws.apps.usbDeviceEnumerator.R;
import aws.apps.usbDeviceEnumerator.data.DataProviderCompanyInfo;
import aws.apps.usbDeviceEnumerator.data.DataProviderCompanyLogo;
import aws.apps.usbDeviceEnumerator.data.DataProviderUsbInfo;

/*package*/ abstract class BaseInfoFragment extends Fragment {

    private DataFetcher dataFetcher;

    @Override
    public void onAttach(final Context context) {
        super.onAttach(context);
        dataFetcher = new DataFetcher(
                new DataProviderCompanyInfo(context),
                new DataProviderUsbInfo(context),
                new DataProviderCompanyLogo(context));
    }

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

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.menu_export:
                ShareUtils.share(
                        getActivity(),
                        getString(R.string.app_name),
                        getSharePayload());
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    public abstract String getSharePayload();


    protected void loadAsyncData(final ViewHolder viewHolder,
                                 final String vid,
                                 final String pid,
                                 final String reportedVendorName) {

        dataFetcher.fetchData(vid, pid, reportedVendorName, new DataFetcher.Callback() {
            @Override
            public void onSuccess(final String vendorFromDb,
                                  final String productFromDb,
                                  final Bitmap bitmap) {

                if (isAdded() && getActivity() != null && getView() != null) {
                    getActivity().runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            viewHolder.getVendorFromDb().setText(vendorFromDb);
                            viewHolder.getProductFromDb().setText(productFromDb);
                            if (bitmap != null) {
                                final BitmapDrawable drawable = new BitmapDrawable(getContext().getResources(), bitmap);
                                viewHolder.getLogo().setImageDrawable(drawable);
                            } else {
                                viewHolder.getLogo().setImageResource(R.drawable.no_image);
                            }
                        }
                    });
                }
            }
        });
    }

    protected void addDataRow(LayoutInflater inflater,
                              TableLayout tlb,
                              String cell1Text,
                              String cell2Text) {
        final TableRow row = (TableRow) inflater.inflate(R.layout.usb_table_row_data, null);
        final TextView tv1 = (TextView) row.findViewById(R.id.usb_tablerow_cell1);
        final TextView tv2 = (TextView) row.findViewById(R.id.usb_tablerow_cell2);
        tv1.setText(cell1Text);
        tv2.setText(cell2Text);
        tlb.addView(row);
    }

    protected String padLeft(String string,
                             String padding,
                             int size) {
        String pad = "";
        while ((pad + string).length() < size) {
            pad += padding + pad;
        }
        return pad + string;
    }
}