com.simplechatclient.android.TabsFragment.java Source code

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Here is the source code for com.simplechatclient.android.TabsFragment.java

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/*
 * Simple Chat Client
 *
 *   Copyright (C) 2014 Piotr ?uczko <piotr.luczko@gmail.com>
 *
 * This program 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.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.simplechatclient.android;

import java.util.ArrayList;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;

import com.core.Messages;
import com.core.Network;
import com.core.Settings;
import com.models.Channels;

/**
 * A placeholder fragment containing a simple view.
 */
public class TabsFragment extends Fragment {

    private static final String TAG = "TabsFragment";

    private Context context;
    private View view;

    private ArrayList<String> listItems;
    private ArrayAdapter<String> adapter;
    private ListView listview;
    private EditText editText;
    private String name;

    public static TabsFragment newInstance() {
        TabsFragment fragment = new TabsFragment();
        return fragment;
    }

    public TabsFragment() {
    }

    public TabsFragment setName(String name) {
        this.name = name;
        return this;
    }

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

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

        listItems = null;
    }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.action_logout:
            Network.getInstance().disconnect();

            Intent profileListIntent = new Intent(context, ProfileActivity.class);
            profileListIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            profileListIntent.putExtra("tab", "0"); // profile list
            startActivity(profileListIntent);

            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.tabs_fragment, container, false);
        context = container.getContext();

        myStart();

        return view;
    }

    public void myStart() {

        listview = (ListView) view.findViewById(R.id.listViewChannel);
        editText = (EditText) view.findViewById(R.id.editTextChannel);

        listItems = new ArrayList<String>();
        adapter = new ArrayAdapter<String>(context, android.R.layout.simple_list_item_1, listItems);

        listview.setAdapter(adapter);

        scrollToBottom();

        editText.setOnEditorActionListener(mWriteListener);
    }

    private TextView.OnEditorActionListener mWriteListener = new TextView.OnEditorActionListener() {
        @Override
        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
            boolean handled = false;
            if ((actionId == EditorInfo.IME_ACTION_DONE) || ((event.getKeyCode() == KeyEvent.KEYCODE_ENTER)
                    && (event.getAction() == KeyEvent.ACTION_DOWN))) {

                String data = editText.getText().toString();
                Log.i(TAG, "sending: " + data);
                if (!name.equalsIgnoreCase(Channels.STATUS)) {
                    String networkData = String.format("PRIVMSG %s :%s", name, data);
                    Network.getInstance().send(networkData);

                    String display = String.format("<%s> %s", Settings.getInstance().get("nick"), data);
                    Messages.getInstance().showMessage(name, display);
                } else {
                    Network.getInstance().send(data);
                }

                // clear
                editText.setText("");

                handled = true;
            }
            return handled;
        }
    };

    public void addMessage(String data) {
        if (adapter == null)
            return;

        if (listItems.size() > 100)
            listItems.remove(0);

        listItems.add(data);
        adapter.notifyDataSetChanged();

        scrollToBottom();
    }

    private void scrollToBottom() {
        listview.post(new Runnable() {
            @Override
            public void run() {
                // Select the last row so it will scroll into view...
                listview.setSelection(adapter.getCount() - 1);
            }
        });
    }

}