Java tutorial
/* * JBoss Admin * Copyright 2012, Christos Vasilakis, and individual contributors. * See the copyright.txt file in the distribution for a full * listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.cvasilak.jboss.mobile.admin.fragments; import android.app.AlertDialog; import android.app.ProgressDialog; import android.graphics.Color; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentTransaction; import android.util.Log; import android.view.View; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import com.actionbarsherlock.app.SherlockListFragment; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuInflater; import com.actionbarsherlock.view.MenuItem; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import org.cvasilak.jboss.mobile.admin.JBossAdminApplication; import org.cvasilak.jboss.mobile.admin.R; import org.cvasilak.jboss.mobile.admin.model.Metric; import org.cvasilak.jboss.mobile.admin.net.Callback; import org.cvasilak.jboss.mobile.admin.util.MetricsAdapter; import org.cvasilak.jboss.mobile.admin.util.commonsware.MergeAdapter; import java.util.ArrayList; public class ConfigurationViewFragment extends SherlockListFragment { private static final String TAG = ConfigurationViewFragment.class.getSimpleName(); private JBossAdminApplication application; private ProgressDialog progress; ArrayList<Metric> confMetrics; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.d(TAG, "@onCreate()"); application = (JBossAdminApplication) getActivity().getApplication(); // restore state in case of a configuration change (eg orientation) if (savedInstanceState != null) { confMetrics = savedInstanceState.getParcelableArrayList("confMetrics"); } MergeAdapter adapter = new MergeAdapter(); TextView sectionHeader; // Section: Server Information sectionHeader = new TextView(getActivity()); sectionHeader.setBackgroundColor(Color.DKGRAY); sectionHeader.setPadding(15, 10, 0, 10); sectionHeader.setText("Server Information"); adapter.addView(sectionHeader); if (confMetrics == null) { confMetrics = new ArrayList<Metric>(); confMetrics.add(new Metric("Code Name", "release-codename")); confMetrics.add(new Metric("Release Version", "release-version")); confMetrics.add(new Metric("Server State", "server-state")); } MetricsAdapter confMetricsAdapter = new MetricsAdapter(getSherlockActivity(), confMetrics); adapter.addAdapter(confMetricsAdapter); // Section: Server Configuration sectionHeader = new TextView(getActivity()); sectionHeader.setBackgroundColor(Color.DKGRAY); sectionHeader.setPadding(15, 10, 0, 10); sectionHeader.setText("Server Configuration"); adapter.addView(sectionHeader); adapter.addAdapter(new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1, new String[] { "Extensions", "Properties" })); setListAdapter(adapter); // inform runtime that we have an action button (refresh) setHasOptionsMenu(true); // refresh only if the fragment is created // for the first time (no previous state) if (savedInstanceState == null) refresh(); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putParcelableArrayList("confMetrics", confMetrics); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.menu_refresh, menu); super.onCreateOptionsMenu(menu, inflater); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == R.id.refresh) { refresh(); return (true); } return (super.onOptionsItemSelected(item)); } @Override public void onListItemClick(ListView list, View view, int position, long id) { String value = (String) list.getItemAtPosition(position); Fragment fragment = null; if (value.equals("Extensions")) { fragment = new ExtensionsViewFragment(); } else if (value.equals("Properties")) { fragment = new PropertiesViewFragment(); } FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction(); transaction.setCustomAnimations(android.R.anim.slide_in_left, android.R.anim.slide_out_right, android.R.anim.slide_in_left, android.R.anim.slide_out_right); transaction.addToBackStack(null).replace(android.R.id.content, fragment, null).commit(); } public void refresh() { progress = ProgressDialog.show(getSherlockActivity(), "", getString(R.string.queryingServer)); application.getOperationsManager().fetchConfigurationInformation(new Callback() { @Override public void onSuccess(JsonElement reply) { progress.dismiss(); JsonObject jsonObj = reply.getAsJsonObject(); for (Metric metric : confMetrics) { metric.setValue(jsonObj.get(metric.getKey()).getAsString()); } // refresh table ((MergeAdapter) getListAdapter()).notifyDataSetChanged(); } @Override public void onFailure(Exception e) { progress.dismiss(); AlertDialog.Builder alertDialog = new AlertDialog.Builder(getActivity()); alertDialog.setTitle(R.string.dialog_error_title).setMessage(e.getMessage()) .setPositiveButton(R.string.dialog_button_Bummer, null).setCancelable(false) .setIcon(android.R.drawable.ic_dialog_alert).show(); } }); } }