net.xisberto.phonetodesktop.LinkListActivity.java Source code

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Here is the source code for net.xisberto.phonetodesktop.LinkListActivity.java

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/*******************************************************************************
 * Copyright (c) 2012 Humberto Fraga <xisberto@gmail.com>.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Humberto Fraga <xisberto@gmail.com> - initial API and implementation
 ******************************************************************************/
package net.xisberto.phonetodesktop;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ListView;
import android.widget.TextView;

import com.actionbarsherlock.app.SherlockDialogFragment;
import com.actionbarsherlock.app.SherlockFragmentActivity;

public class LinkListActivity extends SherlockFragmentActivity implements OnClickListener {
    private BroadcastReceiver receiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            updateMainLayout(intent);
        }
    };

    private ArrayList<String> ids;
    private ArrayList<String> titles;
    private boolean done;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_link_list);

        if ((savedInstanceState != null) && savedInstanceState.containsKey("titles")) {
            titles = savedInstanceState.getStringArrayList("titles");
            ids = savedInstanceState.getStringArrayList("ids");
            done = savedInstanceState.getBoolean("done");
        } else {
            titles = null;
            ids = null;
            done = true;
        }
    }

    @Override
    protected void onStart() {
        super.onStart();
        registerReceiver(receiver, new IntentFilter(GoogleTasksActivity.ACTION_LIST_TASKS));
        if (titles == null) {
            refreshTasks();
        } else {
            updateMainLayout(getIntent());
        }
    }

    @Override
    protected void onStop() {
        super.onStop();
        unregisterReceiver(receiver);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putStringArrayList("titles", titles);
        outState.putStringArrayList("ids", ids);
        outState.putBoolean("done", done);
    }

    @Override
    public boolean onCreateOptionsMenu(com.actionbarsherlock.view.Menu menu) {
        getSupportMenuInflater().inflate(R.menu.activity_link_list, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(com.actionbarsherlock.view.MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            NavUtils.navigateUpFromSameTask(this);
            return true;
        case R.id.item_refresh:
            if (!done) {
                return true;
            }
            refreshTasks();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onClick(View v) {
        YesNoDialog dialog = YesNoDialog.newInstance(v.getTag().toString());
        dialog.show(getSupportFragmentManager(), "dialog");
    }

    private void refreshTasks() {
        Intent i = new Intent(getApplicationContext(), GoogleTasksActivity.class);
        i.setAction(GoogleTasksActivity.ACTION_LIST_TASKS);
        startActivity(i);
    }

    private void deleteTask(String task_id) {
        Intent i = new Intent(getApplicationContext(), GoogleTasksActivity.class);
        i.setAction(GoogleTasksActivity.ACTION_REMOVE_TASKS);
        i.putExtra("task_id", task_id);
        startActivity(i);

        refreshTasks();
    }

    private void updateMainLayout(Intent intent) {
        if ((intent.getAction() != null) && (intent.getAction().equals(GoogleTasksActivity.ACTION_LIST_TASKS))) {
            ids = intent.getStringArrayListExtra("ids");
            titles = intent.getStringArrayListExtra("titles");
            done = intent.getBooleanExtra("done", false);
        }
        TextView text = (TextView) findViewById(R.id.textView_linkList);
        ListView list_view = (ListView) findViewById(R.id.listView_linkList);

        if (done) {
            findViewById(R.id.progressBar_linkList).setVisibility(View.GONE);
            if ((titles == null) || (titles.size() < 1)) {
                text.setText(R.string.txt_empty_list);
                list_view.setVisibility(View.GONE);
                text.setVisibility(View.VISIBLE);
            } else {
                //We're using LinkedHashMap to guarantee the order of insertion
                HashMap<String, String> tasks = new LinkedHashMap<String, String>();
                for (int i = 0; i < titles.size(); i++) {
                    tasks.put(ids.get(i), titles.get(i));
                }
                TasksArrayAdapter adapter = new TasksArrayAdapter(this, tasks);
                list_view.setAdapter(adapter);
                list_view.setVisibility(View.VISIBLE);
                text.setVisibility(View.GONE);
            }
        } else {
            findViewById(R.id.progressBar_linkList).setVisibility(View.VISIBLE);
            list_view.setVisibility(View.GONE);
            text.setVisibility(View.GONE);
        }

    }

    private static class YesNoDialog extends SherlockDialogFragment {
        public static YesNoDialog newInstance(String task_id) {
            YesNoDialog dlg = new YesNoDialog();
            Bundle bundle = new Bundle();
            bundle.putString("task_id", task_id);
            dlg.setArguments(bundle);
            return dlg;
        }

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            return new AlertDialog.Builder(getActivity()).setTitle(R.string.title_confirm)
                    .setMessage(R.string.txt_confirm)
                    .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface arg0, int arg1) {
                            ((LinkListActivity) getActivity()).deleteTask(getArguments().getString("task_id"));
                        }
                    }).setNegativeButton(android.R.string.no, null).create();
        }

    }
}