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package org.theb.ssh;
import org.theb.provider.HostDb;
import android.app.ListActivity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.net.ContentURI;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.MeasureSpec;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
public class HostsList extends ListActivity {
public static final int DELETE_ID = Menu.FIRST;
public static final int INSERT_ID = Menu.FIRST + 1;
private static final String[] PROJECTION = new String[] {
HostDb.Hosts._ID,
HostDb.Hosts.HOSTNAME,
HostDb.Hosts.USERNAME,
HostDb.Hosts.PORT,
};
private Cursor mCursor;
public class HostListCursorAdapter extends SimpleCursorAdapter {
public HostListCursorAdapter(Context context, int layout, Cursor c,
String[] from, int[] to) {
super(context, layout, c, from, to);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
String label;
TextView textView = (TextView) view;
// Create a list display of "username@hostname:port" but exclude the port if
// it is already port 22 (default secure shell port).
label = cursor.getString(2)
+ "@"
+ cursor.getString(1);
int port = cursor.getInt(3);
if (port != 22) {
label = label + ":" + String.valueOf(port);
}
textView.setText(label);
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
this.setDefaultKeyMode(SHORTCUT_DEFAULT_KEYS);
Intent intent = getIntent();
if (intent.getData() == null) {
intent.setData(HostDb.Hosts.CONTENT_URI);
}
setupListStripes();
mCursor = managedQuery(getIntent().getData(), PROJECTION, null, null);
ListAdapter adapter = new HostListCursorAdapter(this,
android.R.layout.simple_list_item_1, mCursor,
new String[] {HostDb.Hosts.HOSTNAME}, new int[] {android.R.id.text1});
setListAdapter(adapter);
}
/**
* Add stripes to the list view.
*/
private void setupListStripes() {
// Get Drawables for alternating stripes
Drawable[] lineBackgrounds = new Drawable[2];
lineBackgrounds[0] = getResources().getDrawable(R.drawable.even_stripe);
lineBackgrounds[1] = getResources().getDrawable(R.drawable.odd_stripe);
// Make and measure a sample TextView of the sort our adapter will
// return
View view = getViewInflate().inflate(
android.R.layout.simple_list_item_1, null, null);
TextView v = (TextView) view.findViewById(android.R.id.text1);
v.setText("X");
// Make it 100 pixels wide, and let it choose its own height.
v.measure(MeasureSpec.makeMeasureSpec(View.MeasureSpec.EXACTLY, 100),
MeasureSpec.makeMeasureSpec(View.MeasureSpec.UNSPECIFIED, 0));
int height = v.getMeasuredHeight();
getListView().setStripes(lineBackgrounds, height);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
// This is our one standard application action -- inserting a
// new note into the list.
menu.add(0, INSERT_ID, R.string.menu_insert).setShortcut(
KeyEvent.KEYCODE_3, 0, KeyEvent.KEYCODE_A);
// Generate any additional actions that can be performed on the
// overall list. In a normal install, there are no additional
// actions found here, but this allows other applications to extend
// our menu with their own actions.
Intent intent = new Intent(null, getIntent().getData());
intent.addCategory(Intent.ALTERNATIVE_CATEGORY);
menu.addIntentOptions(
Menu.ALTERNATIVE, 0, new ComponentName(this, HostsList.class),
null, intent, 0, null);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
final boolean haveItems = mCursor.count() > 0;
// If there are any notes in the list (which implies that one of
// them is selected), then we need to generate the actions that
// can be performed on the current selection. This will be a combination
// of our own specific actions along with any extensions that can be
// found.
if (haveItems) {
// This is the selected item.
ContentURI uri = getIntent().getData().addId(getSelectionRowID());
// Build menu... always starts with the CONNECT action...
Intent[] specifics = new Intent[1];
specifics[0] = new Intent(Intent.PICK_ACTION, uri);
Menu.Item[] items = new Menu.Item[1];
// ... is followed by whatever other actions are available...
Intent intent = new Intent(null, uri);
intent.addCategory(Intent.SELECTED_ALTERNATIVE_CATEGORY);
menu.addIntentOptions(Menu.SELECTED_ALTERNATIVE, 0, null, specifics,
intent, Menu.NO_SEPARATOR_AFTER, items);
// ... and ends with the delete command.
menu.add(Menu.SELECTED_ALTERNATIVE, DELETE_ID, R.string.menu_delete)
.
setShortcut(KeyEvent.KEYCODE_2, 0, KeyEvent.KEYCODE_D);
menu.addSeparator(Menu.SELECTED_ALTERNATIVE, 0);
// Give a shortcut to the connect action.
if (items[0] != null) {
items[0].setShortcut(KeyEvent.KEYCODE_1, 0, KeyEvent.KEYCODE_C);
}
} else {
menu.removeGroup(Menu.SELECTED_ALTERNATIVE);
}
// Make sure the delete action is disabled if there are no items.
menu.setItemShown(DELETE_ID, haveItems);
return true;
}
@Override
public boolean onOptionsItemSelected(Menu.Item item) {
switch (item.getId()) {
case DELETE_ID:
deleteItem();
return true;
case INSERT_ID:
insertItem();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
ContentURI url = getIntent().getData().addId(getSelectionRowID());
String action = getIntent().getAction();
if (Intent.PICK_ACTION.equals(action)
|| Intent.GET_CONTENT_ACTION.equals(action)) {
// The caller is waiting for us to return a note selected by
// the user. The have clicked on one, so return it now.
setResult(RESULT_OK, url.toString());
} else {
// Launch activity to view/edit the currently selected item
startActivity(new Intent(Intent.PICK_ACTION, url));
}
}
private final void deleteItem() {
mCursor.moveTo(getSelection());
mCursor.deleteRow();
}
private final void insertItem() {
// Launch activity to insert a new item
startActivity(new Intent(Intent.INSERT_ACTION, getIntent().getData()));
}
}
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