base activity with some features

1 files changed, 105 insertions, 0 deletions

diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/gui/BaseActivity.java b/vdrmanager/src/de/bjusystems/vdrmanager/gui/BaseActivity.java
new file mode 100644
index 0000000..629f2a6
--- /dev/null
+++ b/vdrmanager/src/de/bjusystems/vdrmanager/gui/BaseActivity.java
@@ -0,0 +1,105 @@
+package de.bjusystems.vdrmanager.gui;
+
+import de.bjusystems.vdrmanager.R;
+import de.bjusystems.vdrmanager.app.VdrManagerApp;
+import de.bjusystems.vdrmanager.data.Channel;
+import android.app.Activity;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+
+public abstract class BaseActivity extends Activity implements OnClickListener{
+
+
+	public static final int MENU_GROUP_REFRESH = 99;
+	
+	public static final int MENU_REFRESH = 99;
+	
+	abstract protected int getMainLayout();
+	
+	protected void switchNoConnection(){
+		View view = findViewById(R.id.main_content);
+		if(view != null){
+			view.setVisibility(View.GONE);
+		}
+		findViewById(R.id.no_connection_layout).setVisibility(View.VISIBLE);
+		Button b  = (Button) findViewById(R.id.retry_button);
+		b.setOnClickListener(this);
+	}
+
+	public void onClick(View v) {
+		if(v.getId() == R.id.retry_button){
+			findViewById(R.id.no_connection_layout).setVisibility(View.GONE);
+			View view = findViewById(R.id.main_content);
+			if(view != null){
+				view.setVisibility(View.VISIBLE);
+			}
+			retry();
+		}
+	}
+	
+	protected void updateWindowTitle(int topic, int subtopic) {
+		String title;
+		title = getString(topic); 
+		if (subtopic != -1) {
+			title += " > " + getString(subtopic);
+		}
+		setTitle(title);
+	}
+
+	protected void updateWindowTitle(String topic, String subtopic) {
+		String title = topic;
+		if (subtopic != null) {
+			title += " > " + subtopic;
+		}
+		setTitle(title);
+	}
+
+
+	@Override
+	public boolean onCreateOptionsMenu(final Menu menu) {
+		MenuItem item;
+		item = menu.add(MENU_GROUP_REFRESH, MENU_REFRESH, 0, R.string.refresh);
+		item.setIcon(android.R.drawable.ic_menu_rotate);
+		item.setAlphabeticShortcut('r');
+		return true;
+	}
+	
+	abstract protected void refresh(); 
+	
+	abstract protected void retry(); 
+	
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+		case MENU_REFRESH:
+			refresh();
+			return true;
+
+		default:
+			return false;
+		}
+	}
+
+
+	protected void setAsCurrent(Channel channel) {
+		getApp().setCurrentChannel(channel);
+	}
+
+
+	protected VdrManagerApp getApp(){
+		final VdrManagerApp app = (VdrManagerApp) getApplication();
+		return app;
+	}
+	
+	//protected Channel getCurrentChannel(){
+		//final Channel channel = ((VdrManagerApp) getApplication())
+		//.getCurrentChannel();
+		//return channel;
+//	}
+
+	
+	
+}