package de.boge.infosphere;
import java.util.ArrayList;
import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import de.boge.infosphere.parser.CalendarItem;
import de.boge.infosphere.parser.NewsItem;
import de.boge.infosphere.parser.Parser;
import de.boge.infosphere.utils.CalendarHelper;
import de.boge.infosphere.utils.NavDrawerHandler;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Configuration;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends SherlockActivity {
private DrawerLayout navDrawerLayout;
private ListView navDrawerList;
private ActionBarDrawerToggle navDrawerToggle;
private String[] navDrawerTitles;
private TextView news1;
private TextView news2;
private TextView news3;
private TextView termin1;
private TextView termin2;
private TextView termin3;
private ImageView iv1;
private ArrayList<Object> parsedObjectsNews = new ArrayList<Object>();
private ArrayList<Object> parsedObjectsCalendar = new ArrayList<Object>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Beginn Navigation-Drawer
navDrawerTitles = getResources().getStringArray(R.array.hauptmenu_eintrage);
navDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
navDrawerList = (ListView) findViewById(R.id.left_drawer);
navDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
navDrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, navDrawerTitles));
navDrawerList.setOnItemClickListener(new DrawerItemClickListener());
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
navDrawerToggle = new ActionBarDrawerToggle(this, navDrawerLayout, R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close) {
public void onDrawerClosed(View view) {
supportInvalidateOptionsMenu();
}
public void onDrawerOpened(View drawerView) {
supportInvalidateOptionsMenu();
}
};
navDrawerLayout.setDrawerListener(navDrawerToggle);
// Ende Navigation-Drawer
// Alle View-Elemente dieser Activity
news1 = (TextView) findViewById(R.id.textViewN1);
news2 = (TextView) findViewById(R.id.textViewN2);
news3 = (TextView) findViewById(R.id.textViewN3);
termin1 = (TextView) findViewById(R.id.textViewT1);
termin2 = (TextView) findViewById(R.id.textViewT2);
termin3 = (TextView) findViewById(R.id.textViewT3);
iv1 = (ImageView) findViewById(R.id.imageView1);
setItems(false);
// OnClickListener f�r die Pseudo-Liste
news1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
newsClicked(0);
}
});
news2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
newsClicked(1);
}
});
news3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
newsClicked(2);
}
});
termin1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
terminClicked(0);
}
});
termin2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
terminClicked(1);
}
});
termin3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
terminClicked(2);
}
});
// OnClickListener f�r die Sponsoren
iv1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// Zeige einen Auswahl-Dialog mit den drei Sponsoren. Nach Auswahl wird der Browser mit der entsprechenden Seite ge�ffnet.
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle("Weitere Infos �ber...");
builder.setSingleChoiceItems(new String[]{"LuFG i9", "zdi-Sch�lerlabor", "RWTH Aachen"}, 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse("http://learntech.rwth-aachen.de/tiki-index.php")));
} else if (which == 1) {
startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse("http://www.wissenschaft.nrw.de/studium/informieren/mint-entdecken/standorte-von-zdi/")));
} else if (which == 2) {
startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse("http://www.rwth-aachen.de/")));
}
dialog.dismiss();
}
});
AlertDialog dialog = builder.create();
dialog.show();
}
});
// Daten laden
new updateData().execute("");
}
/**
* L�dt die Daten asynchon aus dem Feed (mit dem Parser) und zeigt diese dann in den entsprechenden Views an.
*/
private class updateData extends AsyncTask<String, Void, String> {
private String[] newsTitles;
private String[] calendarTitles;
/**
* L�dt die Daten in Arrays
*/
@Override
protected String doInBackground(String... params) {
parsedObjectsNews = new Parser(MainActivity.this, 0).getFeedObjects(3);
newsTitles = new String[parsedObjectsNews.size()];
for (int i = 0; i < parsedObjectsNews.size(); i++) {
newsTitles[i] = (String) ((NewsItem) parsedObjectsNews.get(i)).getTitle();
}
parsedObjectsCalendar = new Parser(MainActivity.this, 1).getFeedObjects(3);
calendarTitles = new String[parsedObjectsCalendar.size()];
for (int i = 0; i < parsedObjectsCalendar.size(); i++) {
calendarTitles[i] = (String) ((CalendarItem) parsedObjectsCalendar.get(i)).getTitle();
}
return "Executed";
}
/**
* L�dt die geparsten Daten in die entsprechenden View-Elemente
*/
@Override
protected void onPostExecute(String result) {
if (newsTitles.length == 0 || calendarTitles.length == 0) {
// Keine Daten geladen
news1.setText("Es konnten keine Daten geladen werden.");
news2.setVisibility(View.GONE);
news3.setVisibility(View.GONE);
termin1.setText("Es konnten keine Daten geladen werden.");
termin2.setVisibility(View.GONE);
termin3.setVisibility(View.GONE);
setItems(false);
// Margin nach unten erstellen
ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) news1.getLayoutParams();
mlp.setMargins(0, 0, 0, 10);
} else {
// Daten erfolgreich geladen
news1.setText(newsTitles[0]);
news2.setText(newsTitles[1]);
news3.setText(newsTitles[2]);
termin1.setText(calendarTitles[0]);
termin2.setText(calendarTitles[1]);
termin3.setText(calendarTitles[2]);
setItems(true);
news2.setVisibility(View.VISIBLE);
news3.setVisibility(View.VISIBLE);
termin2.setVisibility(View.VISIBLE);
termin3.setVisibility(View.VISIBLE);
// Margin nach unten entfernen (falls vorhanden)
ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) news1.getLayoutParams();
mlp.setMargins(0, 0, 0, 0);
}
}
}
/**
* Ein News-Item wurde gedr�ckt: �ffne die Detail-Ansicht mit den jeweiligen Daten
* @param pos News-Item-Id
*/
private void newsClicked(int pos) {
Intent i = new Intent(MainActivity.this, WebViewActivity.class);
i.putExtra("abTitle", ((NewsItem) parsedObjectsNews.get(pos)).getTitle());
i.putExtra("abSubTitle", ((NewsItem) parsedObjectsNews.get(pos)).getDate());
i.putExtra("data", ((NewsItem) parsedObjectsNews.get(pos)).getContent());
startActivity(i);
}
/**
* Ein Kalender-Item wurde gedr�ckt: Zeige den Dialog mit dem Zeitpunkt und biete die Eintragung in den Kalender sowie das
* �ffnen der Detail-Ansicht mit den jeweiligen Daten an.
* @param pos Kalender-Item-Id
*/
private void terminClicked(int pos) {
final CalendarItem myItem = (CalendarItem) parsedObjectsCalendar.get(pos);
// Dialog, der weitere Details zum Termin anzeigt
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle(myItem.getTitle());
if (myItem.getStartDate().equals(myItem.getEndDate())) {
builder.setMessage("Zeitpunkt: " + myItem.getStartDate());
} else {
builder.setMessage("Zeitpunkt: " + myItem.getStartDate() + " bis " + myItem.getEndDate());
}
builder.setPositiveButton("In Kalender eintragen",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// Starte ein Intent, welches die wichtigsten Daten an den Kalender weitergibt
Intent intent = new Intent(Intent.ACTION_EDIT);
intent.setType("vnd.android.cursor.item/event");
intent.putExtra("title", myItem.getTitle());
intent.putExtra("beginTime", CalendarHelper.parseFeedDate(myItem.getStartDate()));
intent.putExtra("endTime", CalendarHelper.parseFeedDate(myItem.getEndDate()));
intent.putExtra("allDay", true);
intent.putExtra("eventLocation", "InfoSphere Aachen (Dennewartstra�e 27)");
startActivity(intent);
}
});
builder.setNegativeButton("Weitere Informationen",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// Starte ein Intent, welches die Details in einem WebView anzeigt
Intent i = new Intent(MainActivity.this, WebViewActivity.class);
i.putExtra("abTitle", myItem.getTitle());
if (myItem.getStartDate().equals(myItem.getEndDate())) {
i.putExtra("abSubTitle", myItem.getStartDate());
} else {
i.putExtra("abSubTitle", myItem.getStartDate() + " bis " + myItem.getEndDate());
}
i.putExtra("url", myItem.getMore());
startActivity(i);
}
});
AlertDialog dialog = builder.create();
dialog.show();
}
/**
* Da wir eine Pseudo-Liste nutzen (TextViews untereinander mit Border), m�ssen wir die nicht genutzten Elemente auch aktivieren/deaktivieren k�nnen.
* @param enabled Items aktivieren oder deaktivieren
*/
private void setItems(boolean enabled) {
news1.setEnabled(enabled);
news2.setEnabled(enabled);
news3.setEnabled(enabled);
termin1.setEnabled(enabled);
termin2.setEnabled(enabled);
termin3.setEnabled(enabled);
}
/**
* Behandelt einen Klick im NavigationDrawer entsprechend
*/
private class DrawerItemClickListener implements ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
NavDrawerHandler.entryClicked(position, getBaseContext(), MainActivity.this);
navDrawerLayout.closeDrawer(navDrawerList);
}
}
/**
* L�dt die Men�-Items
*/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getSupportMenuInflater().inflate(R.menu.main, menu);
return true;
}
/**
* Blendet das Refresh-Icon aus, sobald der Navigation-Drawer ge�ffnet ist
*/
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
boolean drawerOpen = navDrawerLayout.isDrawerOpen(navDrawerList);
menu.findItem(R.id.action_refresh).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
/**
* Behandelt einen Klick auf ein Men�-Item entsprechend
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
if (navDrawerLayout.isDrawerOpen(navDrawerList)) {
navDrawerLayout.closeDrawer(navDrawerList);
} else {
navDrawerLayout.openDrawer(navDrawerList);
}
} else if (item.getItemId() == R.id.action_refresh) {
Toast.makeText(this, "Aktualisiere...", Toast.LENGTH_SHORT).show();
new updateData().execute("");
} else if (item.getItemId() == R.id.action_settings) {
startActivity(new Intent(MainActivity.this, SettingsActivity.class));
} else if (item.getItemId() == R.id.action_about) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.about_title);
builder.setMessage(R.string.about_text);
builder.setPositiveButton(R.string.about_close,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog dialog = builder.create();
dialog.show();
}
return super.onOptionsItemSelected(item);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
navDrawerToggle.onConfigurationChanged(newConfig);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
navDrawerToggle.syncState();
}
}