Java tutorial
/* * Copyright 2013 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.brookmanholmes.bma.wizard.ui; import android.content.Context; import android.os.Bundle; import android.support.v4.app.ListFragment; import android.support.v4.content.ContextCompat; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.TextView; import com.brookmanholmes.billiards.player.Players; import com.brookmanholmes.billiards.player.RaceTo; import com.brookmanholmes.bma.MyApplication; import com.brookmanholmes.bma.R; import com.brookmanholmes.bma.ui.newmatchwizard.model.PlayerNamePage; import com.brookmanholmes.bma.wizard.model.AbstractWizardModel; import com.brookmanholmes.bma.wizard.model.ModelCallbacks; import com.brookmanholmes.bma.wizard.model.Page; import com.brookmanholmes.bma.wizard.model.ReviewItem; import com.squareup.leakcanary.RefWatcher; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; public class ReviewFragment extends ListFragment implements ModelCallbacks { private Callbacks callbacks; private AbstractWizardModel wizardModel; private List<ReviewItem> reviewItems; private ReviewAdapter reviewAdapter; public ReviewFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); reviewAdapter = new ReviewAdapter(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { wizardModel = callbacks.onGetModel(); wizardModel.registerListener(this); onPageTreeChanged(); View rootView = inflater.inflate(R.layout.fragment_page, container, false); TextView titleView = (TextView) rootView.findViewById(android.R.id.title); titleView.setText(R.string.title_review); titleView.setTextColor(ContextCompat.getColor(getContext(), R.color.colorAccent)); ListView listView = (ListView) rootView.findViewById(android.R.id.list); setListAdapter(reviewAdapter); listView.setDividerHeight(0); listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); return rootView; } @Override public void onAttach(Context context) { super.onAttach(context); if (!(getActivity() instanceof Callbacks)) { throw new ClassCastException("Activity must implement fragment's callbacks"); } callbacks = (Callbacks) getActivity(); } @Override public void onPageTreeChanged() { onPageDataChanged(null); } @Override public void onDetach() { super.onDetach(); callbacks = null; wizardModel.unregisterListener(this); } @Override public void onDestroy() { RefWatcher refWatcher = MyApplication.getRefWatcher(getContext()); refWatcher.watch(this); super.onDestroy(); } @Override public void onPageDataChanged(Page changedPage) { ArrayList<ReviewItem> reviewItems = new ArrayList<>(); for (Page page : wizardModel.getCurrentPageSequence()) { page.getReviewItems(reviewItems); } if (!wizardModel.getCurrentPageSequence().get(0).getData().getString(PlayerNamePage.EXTRA_INFO_KEY, "") .equals("")) { Page page = wizardModel.getCurrentPageSequence().get(0); reviewItems.add(new ReviewItem("Match notes", page.getData().getString(PlayerNamePage.EXTRA_INFO_KEY), page.getKey())); } Collections.sort(reviewItems, new Comparator<ReviewItem>() { @Override public int compare(ReviewItem a, ReviewItem b) { return a.getWeight() > b.getWeight() ? +1 : a.getWeight() < b.getWeight() ? -1 : 0; } }); this.reviewItems = reviewItems; for (ReviewItem item : this.reviewItems) { if (item.getDisplayValue().equals("APA 8 ball")) { int playerRank = getPlayerRank(); int opponentRank = getOpponentRank(); RaceTo raceTo = Players.apa8BallRaceTo(playerRank, opponentRank); setPlayerRaceToReviewItem(raceTo.getPlayerRaceTo()); setOpponentRaceToReviewItem(raceTo.getOpponentRaceTo()); } } if (reviewAdapter != null) { reviewAdapter.notifyDataSetInvalidated(); } } private void setPlayerRaceToReviewItem(int games) { for (ReviewItem item : reviewItems) { if (item.getTitle().equals(getPlayerName() + "'s Rank")) { item.setDisplayValue(item.getDisplayValue() + ", wins with " + games + " games"); } } } private void setOpponentRaceToReviewItem(int games) { for (ReviewItem item : reviewItems) { if (item.getTitle().equals(getOpponentName() + "'s Rank")) { item.setDisplayValue(item.getDisplayValue() + ", wins with " + games + " games"); } } } private int getPlayerRank() { int rank = 0; for (ReviewItem item : reviewItems) { if (item.getTitle().equals(getPlayerName() + "'s Rank")) { rank = Integer.valueOf(item.getDisplayValue()); } } return rank; } private int getOpponentRank() { int rank = 0; for (ReviewItem item : reviewItems) { if (item.getTitle().equals(getOpponentName() + "'s Rank")) { rank = Integer.valueOf(item.getDisplayValue()); } } return rank; } private String getPlayerName() { return reviewItems.get(0).getDisplayValue(); } private String getOpponentName() { return reviewItems.get(1).getDisplayValue(); } public List<ReviewItem> getCurrentReviewItems() { return reviewItems; } @Override public void onListItemClick(ListView l, View v, int position, long id) { callbacks.onEditScreenAfterReview(reviewItems.get(position).getPageKey()); } public interface Callbacks { AbstractWizardModel onGetModel(); void onEditScreenAfterReview(String pageKey); } private class ReviewAdapter extends BaseAdapter { @Override public boolean hasStableIds() { return true; } @Override public int getItemViewType(int position) { return 0; } @Override public int getViewTypeCount() { return 1; } @Override public boolean areAllItemsEnabled() { return true; } @Override public Object getItem(int position) { return reviewItems.get(position); } @Override public long getItemId(int position) { return reviewItems.get(position).hashCode(); } @Override public View getView(int position, View view, ViewGroup container) { LayoutInflater inflater = LayoutInflater.from(getActivity()); View rootView = inflater.inflate(R.layout.list_item_review, container, false); ReviewItem reviewItem = reviewItems.get(position); String value = reviewItem.getDisplayValue(); if (TextUtils.isEmpty(value)) { value = "(None)"; } ((TextView) rootView.findViewById(android.R.id.text1)).setText(reviewItem.getTitle()); ((TextView) rootView.findViewById(android.R.id.text2)).setText(value); return rootView; } @Override public int getCount() { return reviewItems.size(); } } }