package org.theb.ssh; import org.theb.provider.HostDb; import android.app.Dialog; 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.WindowManager; 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; public static final int ABOUT_ID = Menu.FIRST + 2; private static final String[] PROJECTION = new String[] { HostDb.Hosts._ID, HostDb.Hosts.HOSTNAME, HostDb.Hosts.USERNAME, HostDb.Hosts.PORT, }; private Cursor mCursor; /** * @author kenny * Imparts a more informative view of the host list. * * Displays as "username@hostname:port" but only includes the port if it is * not on the default port 22. */ 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; 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); 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 host into the list. menu.add(0, INSERT_ID, R.string.menu_insert).setShortcut( KeyEvent.KEYCODE_3, 0, KeyEvent.KEYCODE_A); // This links to the about dialog for the program. menu.add(0, ABOUT_ID, R.string.menu_about); // 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 PICK 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; case ABOUT_ID: showAbout(); return true; } return super.onOptionsItemSelected(item); } private void showAbout() { Dialog about = new Dialog(this); about.setContentView(R.layout.about_dialog); about.setTitle(getResources().getString(R.string.app_name) + " " + getResources().getString(R.string.msg_version)); // Everything looks cooler when you blur the window behind it. about.getWindow().setFlags(WindowManager.LayoutParams.BLUR_BEHIND_FLAG, WindowManager.LayoutParams.BLUR_BEHIND_FLAG); WindowManager.LayoutParams lp = about.getWindow().getAttributes(); lp.tintBehind = 0x60000820; about.getWindow().setAttributes(lp); about.show(); } @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())); } }