From 0718d1fd0c5ff023edadb5f519d61a177d703656 Mon Sep 17 00:00:00 2001 From: cyBerta Date: Sat, 9 Nov 2013 20:09:24 +0100 Subject: bitmaskclient instead of leapclient in package path --- .../leap/bitmaskclient/ProviderListFragment.java | 192 +++++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 src/se/leap/bitmaskclient/ProviderListFragment.java (limited to 'src/se/leap/bitmaskclient/ProviderListFragment.java') diff --git a/src/se/leap/bitmaskclient/ProviderListFragment.java b/src/se/leap/bitmaskclient/ProviderListFragment.java new file mode 100644 index 00000000..82c4bdc8 --- /dev/null +++ b/src/se/leap/bitmaskclient/ProviderListFragment.java @@ -0,0 +1,192 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import android.app.Activity; +import android.app.ListFragment; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ArrayAdapter; +import android.widget.ListView; +import android.content.Context; +import android.widget.TwoLineListItem; + +/** + * A list fragment representing a list of Providers. This fragment + * also supports tablet devices by allowing list items to be given an + * 'activated' state upon selection. This helps indicate which item is + * currently being viewed in a {@link DashboardFragment}. + *

+ * Activities containing this fragment MUST implement the {@link Callbacks} + * interface. + */ +public class ProviderListFragment extends ListFragment { + + private ArrayAdapter content_adapter; + + /** + * The serialization (saved instance state) Bundle key representing the + * activated item position. Only used on tablets. + */ + private static final String STATE_ACTIVATED_POSITION = "activated_position"; + + /** + * The fragment's current callback object, which is notified of list item + * clicks. + */ + private Callbacks mCallbacks = sDummyCallbacks; + + /** + * The current activated item position. Only used on tablets. + */ + private int mActivatedPosition = ListView.INVALID_POSITION; + + /** + * A callback interface that all activities containing this fragment must + * implement. This mechanism allows activities to be notified of item + * selections. + */ + public interface Callbacks { + /** + * Callback for when an item has been selected. + */ + public void onItemSelected(String id); + } + + /** + * A dummy implementation of the {@link Callbacks} interface that does + * nothing. Used only when this fragment is not attached to an activity. + */ + private static Callbacks sDummyCallbacks = new Callbacks() { + @Override + public void onItemSelected(String id) { + } + }; + + /** + * Mandatory empty constructor for the fragment manager to instantiate the + * fragment (e.g. upon screen orientation changes). + */ + public ProviderListFragment() { + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + content_adapter = new ArrayAdapter( + getActivity(), + android.R.layout.simple_list_item_activated_2, + ProviderListContent.ITEMS) { + @Override + public View getView(int position, View convertView, ViewGroup parent){ + TwoLineListItem row; + if (convertView == null) { + LayoutInflater inflater = (LayoutInflater)getActivity().getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); + row = (TwoLineListItem)inflater.inflate(android.R.layout.simple_list_item_2, null); + } else { + row = (TwoLineListItem)convertView; + } + ProviderListContent.ProviderItem data = ProviderListContent.ITEMS.get(position); + row.getText1().setText(data.domain); + row.getText2().setText(data.name); + + return row; + } + }; + setListAdapter(content_adapter); + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) { + return inflater.inflate(R.layout.provider_list_fragment, container, false); + } + + @Override + public void onViewCreated(View view, Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + + // Restore the previously serialized activated item position. + if (savedInstanceState != null + && savedInstanceState.containsKey(STATE_ACTIVATED_POSITION)) { + setActivatedPosition(savedInstanceState.getInt(STATE_ACTIVATED_POSITION)); + } + } + + @Override + public void onAttach(Activity activity) { + super.onAttach(activity); + + // Activities containing this fragment must implement its callbacks. + if (!(activity instanceof Callbacks)) { + throw new IllegalStateException("Activity must implement fragment's callbacks."); + } + + mCallbacks = (Callbacks) activity; + } + + @Override + public void onDetach() { + super.onDetach(); + + // Reset the active callbacks interface to the dummy implementation. + mCallbacks = sDummyCallbacks; + } + + @Override + public void onListItemClick(ListView listView, View view, int position, long id) { + super.onListItemClick(listView, view, position, id); + + // Notify the active callbacks interface (the activity, if the + // fragment is attached to one) that an item has been selected. + mCallbacks.onItemSelected(ProviderListContent.ITEMS.get(position).id); + } + + @Override + public void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + if (mActivatedPosition != ListView.INVALID_POSITION) { + // Serialize and persist the activated item position. + outState.putInt(STATE_ACTIVATED_POSITION, mActivatedPosition); + } + } + + /** + * Turns on activate-on-click mode. When this mode is on, list items will be + * given the 'activated' state when touched. + */ + public void setActivateOnItemClick(boolean activateOnItemClick) { + // When setting CHOICE_MODE_SINGLE, ListView will automatically + // give items the 'activated' state when touched. + getListView().setChoiceMode(activateOnItemClick + ? ListView.CHOICE_MODE_SINGLE + : ListView.CHOICE_MODE_NONE); + } + + private void setActivatedPosition(int position) { + if (position == ListView.INVALID_POSITION) { + getListView().setItemChecked(mActivatedPosition, false); + } else { + getListView().setItemChecked(position, true); + } + + mActivatedPosition = position; + } +} -- cgit v1.2.3