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The source code is released under:
GNU General Public License
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/** * Copyright 2013 Carmen Alvarez//from w w w .j a v a2 s. c o m * * This file is part of Scrum Chatter. * * Scrum Chatter 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. * * Scrum Chatter 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 Scrum Chatter. If not, see <http://www.gnu.org/licenses/>. */ package ca.rmen.android.scrumchatter.member.list; /** * Displays the list of team members. */ import android.app.Activity; import android.content.SharedPreferences; import android.content.SharedPreferences.OnSharedPreferenceChangeListener; import android.database.Cursor; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.FragmentActivity; import android.support.v4.app.LoaderManager.LoaderCallbacks; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.TextView; import ca.rmen.android.scrumchatter.Constants; import ca.rmen.android.scrumchatter.R; import ca.rmen.android.scrumchatter.member.list.Members.Member; import ca.rmen.android.scrumchatter.provider.MemberColumns; import ca.rmen.android.scrumchatter.provider.MemberStatsColumns; import com.actionbarsherlock.app.SherlockListFragment; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuInflater; import com.actionbarsherlock.view.MenuItem; public class MembersListFragment extends SherlockListFragment { private static final String TAG = Constants.TAG + "/" + MembersListFragment.class.getSimpleName(); private static final int URL_LOADER = 0; private String mOrderByField = MemberColumns.NAME + " COLLATE NOCASE"; private TextView mTextViewName; private TextView mTextViewAvgDuration; private TextView mTextViewSumDuration; private MembersCursorAdapter mAdapter; private SharedPreferences mPrefs; private int mTeamId; private Members mMembers; public MembersListFragment() { super(); setHasOptionsMenu(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.member_list, null); mTextViewName = (TextView) view.findViewById(R.id.tv_name); mTextViewAvgDuration = (TextView) view.findViewById(R.id.tv_avg_duration); mTextViewSumDuration = (TextView) view.findViewById(R.id.tv_sum_duration); mTextViewName.setOnClickListener(mOnClickListener); mTextViewAvgDuration.setOnClickListener(mOnClickListener); mTextViewSumDuration.setOnClickListener(mOnClickListener); TextView emptyText = (TextView) view.findViewById(android.R.id.empty); emptyText.setText(R.string.empty_list_members); return view; } @Override public void onAttach(Activity activity) { super.onAttach(activity); mMembers = new Members((FragmentActivity) activity); mPrefs = PreferenceManager.getDefaultSharedPreferences(activity); mPrefs.registerOnSharedPreferenceChangeListener(mPrefsListener); mTeamId = mPrefs.getInt(Constants.PREF_TEAM_ID, Constants.DEFAULT_TEAM_ID); getLoaderManager().initLoader(URL_LOADER, null, mLoaderCallbacks); } @Override public void onDetach() { mPrefs.unregisterOnSharedPreferenceChangeListener(mPrefsListener); super.onDetach(); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); inflater.inflate(R.menu.members_menu, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { // Create a new team member if (item.getItemId() == R.id.action_new_member) { mMembers.promptCreateMember(mTeamId); return true; } return false; } private LoaderCallbacks<Cursor> mLoaderCallbacks = new LoaderCallbacks<Cursor>() { @Override public Loader<Cursor> onCreateLoader(int loaderId, Bundle bundle) { Log.v(TAG, "onCreateLoader, order by " + mOrderByField); String[] projection = new String[] { MemberColumns._ID, MemberColumns.NAME, MemberStatsColumns.SUM_DURATION, MemberStatsColumns.AVG_DURATION }; String selection = MemberStatsColumns.TEAM_ID + " =? AND " + MemberColumns.DELETED + "=0 "; String[] selectionArgs = new String[] { String.valueOf(mTeamId) }; CursorLoader loader = new CursorLoader(getActivity(), MemberStatsColumns.CONTENT_URI, projection, selection, selectionArgs, mOrderByField); return loader; } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { Log.v(TAG, "onLoadFinished"); if (mAdapter == null) { mAdapter = new MembersCursorAdapter(getActivity(), mOnClickListener); setListAdapter(mAdapter); } getView().findViewById(R.id.progressContainer).setVisibility(View.GONE); mAdapter.changeCursor(cursor); } @Override public void onLoaderReset(Loader<Cursor> loader) { Log.v(TAG, "onLoaderReset"); mAdapter.changeCursor(null); } }; private final OnClickListener mOnClickListener = new OnClickListener() { @Override public void onClick(View v) { Log.v(TAG, "onClick: " + v.getId()); switch (v.getId()) { // The user wants to delete a team member. case R.id.btn_delete_member: if (v.getTag() instanceof Member) { final Member member = (Member) v.getTag(); mMembers.confirmDeleteMember(member); } break; case R.id.tv_name: case R.id.tv_avg_duration: case R.id.tv_sum_duration: setSortField(v.getId()); break; default: break; } } /** * Resort the list of members by the given column * * @param viewId * the header label on which the user clicked. */ private void setSortField(int viewId) { String oldOrderByField = mOrderByField; int selectedHeaderColor = getResources().getColor(R.color.selected_header); int unselectedHeaderColor = getResources().getColor(R.color.unselected_header); // Reset all the header text views to the default color mTextViewName.setTextColor(unselectedHeaderColor); mTextViewAvgDuration.setTextColor(unselectedHeaderColor); mTextViewSumDuration.setTextColor(unselectedHeaderColor); // Depending on the header column selected, change the sort order // field and highlight that header column. switch (viewId) { case R.id.tv_name: mOrderByField = MemberColumns.NAME + " COLLATE NOCASE"; mTextViewName.setTextColor(selectedHeaderColor); break; case R.id.tv_avg_duration: mOrderByField = MemberStatsColumns.AVG_DURATION + " DESC, " + MemberColumns.NAME + " ASC "; mTextViewAvgDuration.setTextColor(selectedHeaderColor); break; case R.id.tv_sum_duration: mOrderByField = MemberStatsColumns.SUM_DURATION + " DESC, " + MemberColumns.NAME + " ASC "; mTextViewSumDuration.setTextColor(selectedHeaderColor); break; default: break; } // Requery if needed. if (!oldOrderByField.equals(mOrderByField)) getLoaderManager().restartLoader(URL_LOADER, null, mLoaderCallbacks); } }; /** * Refresh the list when the selected team changes. */ private OnSharedPreferenceChangeListener mPrefsListener = new OnSharedPreferenceChangeListener() { @Override public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { mTeamId = sharedPreferences.getInt(Constants.PREF_TEAM_ID, Constants.DEFAULT_TEAM_ID); getLoaderManager().restartLoader(URL_LOADER, null, mLoaderCallbacks); } }; }