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package de.bjusystems.vdrmanager.gui;
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageButton;
import android.widget.TextView;
import de.bjusystems.vdrmanager.R;
import de.bjusystems.vdrmanager.app.VdrManagerApp;
import de.bjusystems.vdrmanager.data.MenuActionHandler;
import de.bjusystems.vdrmanager.data.Preferences;
import de.bjusystems.vdrmanager.utils.wakeup.AsyncWakeupTask;
public class VdrManagerActivity extends Activity {
static class WakeupAction implements MenuActionHandler {
public void executeAction(final Context context) {
// create AsyncTask
final AsyncWakeupTask wakeupTask = new AsyncWakeupTask(context);
wakeupTask.execute();
}
}
@SuppressWarnings("rawtypes")
static class MenuActivity {
int iconId;
int textId;
Class handler;
boolean enabled;
public int getIconId() {
return iconId;
}
public int getTextId() {
return textId;
}
public Class getHandler() {
return handler;
}
public boolean isEnabled() {
return enabled;
}
public MenuActivity(final int iconId, final int textId, final Class handler) {
this.iconId = iconId;
this.textId = textId;
this.handler = handler;
this.enabled = true;
}
public void setEnabled(final boolean enabled) {
this.enabled = enabled;
}
}
class MenuAdapter extends ArrayAdapter<MenuActivity> implements OnClickListener {
private final LayoutInflater inflater;
public MenuAdapter(final Context context, final int viewId) {
super(context, viewId);
inflater = LayoutInflater.from(context);
}
@SuppressWarnings("unchecked")
@Override
public View getView(final int position, final View convertView, final ViewGroup parent) {
View view = convertView;
View itemView;
if (view == null) {
view = inflater.inflate(R.layout.vdrmanager_menu_item, null);
itemView = view.findViewById(R.id.vdrmanager_menu_item);
view.setTag(itemView);
// attach click listener
itemView.setOnClickListener(this);
} else {
itemView = (View) view.getTag();
}
// attach menu item
final MenuActivity menuItem = getItem(position);
if (itemView instanceof TextView) {
final TextView textView = (TextView) itemView;
textView.setText(menuItem.getTextId());
} else {
final ImageButton imageButton = (ImageButton) itemView;
imageButton.setImageResource(menuItem.getIconId());
}
itemView.setOnClickListener(this);
menuActivityMap.put(itemView, menuItem.getHandler());
return view;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
public void onClick(final View v) {
// refresh preferences
Preferences.loadPreferences(getContext());
// clear state
((VdrManagerApp) getApplication()).clear();
// start activity
final Class actionClass = menuActivityMap.get(v);
if (Activity.class.isAssignableFrom(actionClass)) {
final Intent intent = new Intent();
intent.setClass(getContext(), actionClass);
startActivity(intent);
} else if (MenuActionHandler.class.isAssignableFrom(actionClass)) {
final Class<? extends MenuActionHandler> handlerClass = actionClass;
try {
final MenuActionHandler handler = handlerClass.newInstance();
handler.executeAction(getContext());
} catch (final InstantiationException e) {
} catch (final IllegalAccessException e) {
}
}
}
}
MenuActivity[] menuItems = new MenuActivity[] {
new MenuActivity(R.drawable.whatson, R.string.action_menu_epg, EpgListActivity.class),
new MenuActivity(0, R.string.action_menu_search, EpgSearchActivity.class),
new MenuActivity(R.drawable.timers, R.string.action_menu_timers, TimerListActivity.class),
new MenuActivity(R.drawable.channels, R.string.action_menu_channels, ChannelListActivity.class),
new MenuActivity(0, R.string.action_menu_wakeup, WakeupAction.class),
};
Map<View, Class<? extends Activity>> menuActivityMap = new HashMap<View, Class<? extends Activity>>();
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// attach view
setContentView(R.layout.vdrmanager);
// add and register buttons
createButtons();
}
// add main menu buttons
private void createButtons() {
// refresh preferences
Preferences.loadPreferences(this);
final Preferences prefs = Preferences.getPreferences();
// get list
final AbsListView listView = (AbsListView) findViewById(R.id.vdrmanager_menu);
final MenuAdapter adapter = new MenuAdapter(this, R.layout.vdrmanager_menu_item);
listView.setAdapter(adapter);
// add menu items
for(final MenuActivity menuItem : menuItems) {
if (menuItem.getTextId() != R.string.action_menu_wakeup || prefs.isWakeupEnabled()) {
adapter.add(menuItem);
}
}
// set grid layout dimensions
if (listView instanceof GridView) {
final GridView grid = (GridView)listView;
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
grid.setNumColumns(2);
} else {
grid.setNumColumns(menuItems.length);
}
}
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
super.onCreateOptionsMenu(menu);
final MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId())
{
case R.id.main_menu_preferences:
// remember activity for finishing
final VdrManagerApp app = (VdrManagerApp) getApplication();
app.clearActivitiesToFinish();
app.addActivityToFinish(this);
final Intent intent = new Intent();
intent.setClass(this, PreferencesActivity.class);
startActivity(intent);
break;
case R.id.main_menu_exit:
finish();
break;
}
return true;
}
@Override
public void onBackPressed() {
}
}
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