Java tutorial
/* -*- Mode:jde; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ /** * Copyright (c) 2017 Regents of the University of California * * This file is part of NDNFit (NDN fitness) Access Manager. * See AUTHORS.md for complete list of NDNFit Access Manage authors and contributors. * * NDNFit Access Manager 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. * * NDNFit Access Manage 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 * NDNFit Access Manage, e.g., in COPYING file. If not, see <http://www.gnu.org/licenses/>. */ package net.named_data.accessmanager; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.DialogFragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.ArrayAdapter; import android.widget.CheckBox; import android.widget.ListView; import android.widget.RadioButton; import android.widget.TextView; import android.widget.Toast; import net.named_data.accessmanager.database.DataBase; import net.named_data.accessmanager.database.MembershipDetail; import net.named_data.accessmanager.util.Common; import net.named_data.accessmanager.util.EntityInfo; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; public class MemberCrateDialogFragment extends DialogFragment { public static interface OnMemberAddRequested { public void addMember(MembershipDetail membershipDetail); } public static MemberCrateDialogFragment newInstance() { return new MemberCrateDialogFragment(); } @NonNull @Override public Dialog onCreateDialog(@Nullable final Bundle savedInstanceState) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); LayoutInflater inflater = getActivity().getLayoutInflater(); View view = inflater.inflate(R.layout.dialog_create_member, null); ListView predefinedMemberListView = (ListView) view.findViewById(R.id.member_predefined_members); final PredefinedMemberAdapter predefinedMemberTypeAdapter = new PredefinedMemberAdapter(getContext(), R.layout.predefined_entity_list_item, Common.PREDEFINED_ENTITY_NAMES); predefinedMemberListView.setAdapter(predefinedMemberTypeAdapter); ListView existingScheduleListView = (ListView) view.findViewById(R.id.member_existing_schedules); final String[] allScheduleNames = DataBase.getInstance(getContext()).getAllScheduleNames(); final ExistingScheduleAdapter existingScheduleAdapter = new ExistingScheduleAdapter(getContext(), R.layout.existing_schedule_list_item, allScheduleNames); existingScheduleListView.setAdapter(existingScheduleAdapter); builder.setView(view) .setPositiveButton(R.string.member_add_dialog_create_member, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int id) { int memberPosition = predefinedMemberTypeAdapter.getselectedPosition(); Set<Integer> scheduleSet = existingScheduleAdapter.getSelectedPositions(); if (scheduleSet == null || scheduleSet.isEmpty()) { Toast.makeText(getContext(), "Please correct the input", Toast.LENGTH_LONG).show(); } else { String memberName = Common.PREDEFINED_ENTITY_NAMES[memberPosition]; EntityInfo entityInfo = Common.PREDEFINED_ENTITY_NAME_MAP.get(memberName); List<String> scheduleList = new ArrayList<>(); for (int onePosition : scheduleSet) { scheduleList.add(allScheduleNames[onePosition]); } MembershipDetail membershipDetail = new MembershipDetail(entityInfo, scheduleList); ((OnMemberAddRequested) getTargetFragment()).addMember(membershipDetail); } } }).setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { MemberCrateDialogFragment.this.getDialog().cancel(); } }); Dialog scheduleCreateDialog = builder.create(); scheduleCreateDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); return scheduleCreateDialog; } ///////////////////////////////////////////////////////////////////////////////////////////// private static class PredefinedMemberAdapter extends ArrayAdapter<String> { private int selectedPosition = 0; private final LayoutInflater m_layoutInflater; public PredefinedMemberAdapter(Context context, int textViewResourceId, String[] dataTypeArray) { super(context, textViewResourceId, dataTypeArray); m_layoutInflater = LayoutInflater.from(context); } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = m_layoutInflater.inflate(R.layout.predefined_entity_list_item, null); } TextView textView = (TextView) convertView.findViewById(R.id.predefined_member_name); textView.setText(getItem(position)); RadioButton radioButton = (RadioButton) convertView.findViewById(R.id.predefined_member_radiobutton); radioButton.setChecked(position == selectedPosition); radioButton.setTag(position); radioButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { selectedPosition = (Integer) view.getTag(); notifyDataSetChanged(); } }); return convertView; } public int getselectedPosition() { return selectedPosition; } } private static class ExistingScheduleAdapter extends ArrayAdapter<String> { public Set<Integer> selectedPositions = new HashSet<>(); private final LayoutInflater m_layoutInflater; public ExistingScheduleAdapter(Context context, int textViewResourceId, String[] dataTypeArray) { super(context, textViewResourceId, dataTypeArray); m_layoutInflater = LayoutInflater.from(context); } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = m_layoutInflater.inflate(R.layout.existing_schedule_list_item, null); } TextView textView = (TextView) convertView.findViewById(R.id.existing_schedule_name); textView.setText(getItem(position)); CheckBox checkBox = (CheckBox) convertView.findViewById(R.id.existing_schedule_checkbox); if (selectedPositions.contains(position)) checkBox.setChecked(true); else { checkBox.setChecked(false); } checkBox.setTag(position); checkBox.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Integer position = (Integer) view.getTag(); if (selectedPositions.contains(position)) { selectedPositions.remove(position); } else { selectedPositions.add(position); } notifyDataSetChanged(); } }); return convertView; } public Set<Integer> getSelectedPositions() { return selectedPositions; } } }