Java tutorial
/* * Copyright (c) 2015 PocketHub * * 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.github.pockethub.android.ui.issue; import android.app.Activity; import android.app.SearchManager; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.v4.view.MenuItemCompat; import android.support.v7.widget.SearchView; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import com.github.kevinsawicki.wishlist.SingleTypeAdapter; import com.meisolsson.githubsdk.core.ServiceGenerator; import com.meisolsson.githubsdk.model.Issue; import com.meisolsson.githubsdk.model.Label; import com.meisolsson.githubsdk.model.Milestone; import com.meisolsson.githubsdk.model.Repository; import com.meisolsson.githubsdk.model.User; import com.github.pockethub.android.R; import com.github.pockethub.android.core.PageIterator; import com.github.pockethub.android.core.ResourcePager; import com.github.pockethub.android.core.issue.IssueFilter; import com.github.pockethub.android.core.issue.IssuePager; import com.github.pockethub.android.core.issue.IssueStore; import com.github.pockethub.android.persistence.AccountDataManager; import com.github.pockethub.android.ui.PagedItemFragment; import com.github.pockethub.android.util.AvatarLoader; import com.github.pockethub.android.util.ToastUtils; import com.meisolsson.githubsdk.service.issues.IssueService; import com.google.inject.Inject; import java.util.Collection; import java.util.List; import static android.app.Activity.RESULT_OK; import static android.view.View.GONE; import static android.view.View.VISIBLE; import static com.github.pockethub.android.Intents.EXTRA_ISSUE; import static com.github.pockethub.android.Intents.EXTRA_ISSUE_FILTER; import static com.github.pockethub.android.Intents.EXTRA_REPOSITORY; import static com.github.pockethub.android.RequestCodes.ISSUE_CREATE; import static com.github.pockethub.android.RequestCodes.ISSUE_FILTER_EDIT; import static com.github.pockethub.android.RequestCodes.ISSUE_VIEW; /** * Fragment to display a list of issues */ public class IssuesFragment extends PagedItemFragment<Issue> { @Inject private AccountDataManager cache; @Inject private IssueStore store; private IssueFilter filter; private Repository repository; private View filterHeader; private TextView state; private ImageView assigneeAvatar; private View assigneeArea; private TextView assignee; private TextView labels; private TextView milestone; @Inject private AvatarLoader avatars; @Override public void onAttach(Context context) { super.onAttach(context); filter = getParcelableExtra(EXTRA_ISSUE_FILTER); repository = getParcelableExtra(EXTRA_REPOSITORY); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (filter == null) { filter = new IssueFilter(repository); } } @Override public void onViewCreated(View view, Bundle savedInstanceState) { filterHeader = getLayoutInflater(savedInstanceState).inflate(R.layout.issues_filter_header, null); state = (TextView) filterHeader.findViewById(R.id.tv_filter_state); labels = (TextView) filterHeader.findViewById(R.id.tv_filter_labels); milestone = (TextView) filterHeader.findViewById(R.id.tv_filter_milestone); assigneeArea = filterHeader.findViewById(R.id.ll_assignee); assignee = (TextView) filterHeader.findViewById(R.id.tv_filter_assignee); assigneeAvatar = (ImageView) filterHeader.findViewById(R.id.iv_assignee_avatar); updateFilterSummary(); super.onViewCreated(view, savedInstanceState); } @Override protected void configureList(Activity activity, ListView listView) { super.configureList(activity, listView); getListAdapter().addHeader(filterHeader, filter, true); } private void updateFilterSummary() { if (filter.isOpen()) { state.setText(R.string.open_issues); } else { state.setText(R.string.closed_issues); } Collection<Label> filterLabels = filter.getLabels(); if (filterLabels != null && !filterLabels.isEmpty()) { LabelDrawableSpan.setText(labels, filterLabels); labels.setVisibility(VISIBLE); } else { labels.setVisibility(GONE); } Milestone filterMilestone = filter.getMilestone(); if (filterMilestone != null) { milestone.setText(filterMilestone.title()); milestone.setVisibility(VISIBLE); } else { milestone.setVisibility(GONE); } User user = filter.getAssignee(); if (user != null) { avatars.bind(assigneeAvatar, user); assignee.setText(user.login()); assigneeArea.setVisibility(VISIBLE); } else { assigneeArea.setVisibility(GONE); } } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); setEmptyText(R.string.no_issues); } @Override public void onListItemClick(ListView l, View v, int position, long id) { if (position == 0) { startActivityForResult(EditIssuesFilterActivity.createIntent(filter), ISSUE_FILTER_EDIT); } else { startActivityForResult(IssuesViewActivity.createIntent(items, repository, position - getListAdapter().getHeadersCount()), ISSUE_VIEW); } } @Override public void onCreateOptionsMenu(Menu optionsMenu, MenuInflater inflater) { inflater.inflate(R.menu.fragment_issues, optionsMenu); SearchManager searchManager = (SearchManager) getActivity().getSystemService(Context.SEARCH_SERVICE); MenuItem searchItem = optionsMenu.findItem(R.id.m_search); SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem); searchView.setSearchableInfo(searchManager.getSearchableInfo(getActivity().getComponentName())); Bundle args = new Bundle(); args.putParcelable(EXTRA_REPOSITORY, repository); searchView.setAppSearchData(args); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (!isUsable()) { return false; } switch (item.getItemId()) { case R.id.create_issue: startActivityForResult(EditIssueActivity.createIntent(repository), ISSUE_CREATE); return true; case R.id.m_filter: startActivityForResult(EditIssuesFilterActivity.createIntent(filter), ISSUE_FILTER_EDIT); return true; case R.id.m_bookmark: cache.addIssueFilter(filter) .subscribe(response -> ToastUtils.show(getActivity(), R.string.message_filter_saved)); return true; default: return super.onOptionsItemSelected(item); } } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == RESULT_OK && requestCode == ISSUE_FILTER_EDIT && data != null) { IssueFilter newFilter = data.getParcelableExtra(EXTRA_ISSUE_FILTER); if (!filter.equals(newFilter)) { filter = newFilter; updateFilterSummary(); pager.reset(); refreshWithProgress(); return; } } if (requestCode == ISSUE_VIEW) { notifyDataSetChanged(); forceRefresh(); return; } if (requestCode == ISSUE_CREATE && resultCode == RESULT_OK) { Issue created = data.getParcelableExtra(EXTRA_ISSUE); forceRefresh(); startActivityForResult(IssuesViewActivity.createIntent(created, repository), ISSUE_VIEW); return; } super.onActivityResult(requestCode, resultCode, data); } @Override protected ResourcePager<Issue> createPager() { return new IssuePager(store) { @Override public PageIterator<Issue> createIterator(int page, int size) { return new PageIterator<>(page1 -> ServiceGenerator.createService(getActivity(), IssueService.class) .getRepositoryIssues(repository.owner().login(), repository.name(), filter.toFilterMap(), page1), page); } }; } @Override protected int getLoadingMessage() { return R.string.loading_issues; } @Override protected int getErrorMessage(Exception exception) { return R.string.error_issues_load; } @Override protected SingleTypeAdapter<Issue> createAdapter(List<Issue> items) { return new RepositoryIssueListAdapter(getActivity().getLayoutInflater(), items.toArray(new Issue[items.size()]), avatars); } }