Java tutorial
/* * Copyright 2016 TIBCO Software,Inc.All rights reserved. * http://community.jaspersoft.com/project/jaspermobile-android * * Unless you have purchased a commercial license agreement from TIBCO Jaspersoft, * the following license terms apply: * * This program is part of TIBCO Jaspersoft Mobile for Android. * * TIBCO Jaspersoft Mobile is free software:you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation,either version 3of the License,or * (at your option)any later version. * * TIBCO Jaspersoft Mobile 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with TIBCO Jaspersoft Mobile for Android.If not,see * <http://www.gnu.org/licenses/lgpl>. */ package com.jaspersoft.android.jaspermobile.dialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.res.TypedArray; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.FragmentManager; import android.support.v7.app.AlertDialog; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import com.jaspersoft.android.jaspermobile.R; import com.jaspersoft.android.jaspermobile.ui.entity.job.CalendarViewRecurrence; import java.util.ArrayList; import java.util.List; /** * @author Tom Koptel * @since 2.5 */ public class CalendarMonthDialogFragment extends BaseDialogFragment { private final static String SELECTED_MONTHS_ARG = "SELECTED_MONTHS_ARG"; private final static String MONTHS_ARG = "MONTHS_ARG"; private List<CalendarViewRecurrence.Month> selectedMonths; private List<CalendarViewRecurrence.Month> months; private int mMultiChoiceItemLayout; private int mListLayout; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final TypedArray a = getActivity().obtainStyledAttributes(null, android.support.v7.appcompat.R.styleable.AlertDialog, android.support.v7.appcompat.R.attr.alertDialogStyle, 0); mMultiChoiceItemLayout = a .getResourceId(android.support.v7.appcompat.R.styleable.AlertDialog_multiChoiceItemLayout, 0); mListLayout = a.getResourceId(android.support.v7.appcompat.R.styleable.AlertDialog_listLayout, 0); a.recycle(); } @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { LayoutInflater inflater = LayoutInflater.from(getActivity()); ListView listView = (ListView) inflater.inflate(mListLayout, null); listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); final List<CheckItem> items = createItems(); final Adapter adapter = new Adapter(getActivity(), listView, mMultiChoiceItemLayout, items); listView.setAdapter(adapter); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int which, long id) { ListView listView = (ListView) parent; boolean isChecked = listView.isItemChecked(which); if (which == 0) { for (CheckItem item : items) { item.checked = isChecked; } selectedMonths.clear(); if (isChecked) { selectedMonths.addAll(months); } } else { int index = which - 1; CalendarViewRecurrence.Month item = months.get(index); if (isChecked) { selectedMonths.add(item); } else { selectedMonths.remove(item); } items.get(which).checked = isChecked; boolean allSelected = selectedMonths.containsAll(months); items.get(0).checked = allSelected; } adapter.notifyDataSetChanged(); } }); AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setTitle(R.string.sr_months); builder.setView(listView); builder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { if (mDialogListener != null) { ((MonthsSelectedListener) mDialogListener).onMonthsSelected(selectedMonths); } } }); builder.setNegativeButton(R.string.cancel, null); Dialog dialog = builder.create(); dialog.setCanceledOnTouchOutside(true); return dialog; } @Override protected void initDialogParams() { super.initDialogParams(); Bundle args = getArguments(); if (args != null) { selectedMonths = args.getParcelableArrayList(SELECTED_MONTHS_ARG); months = args.getParcelableArrayList(MONTHS_ARG); } } private List<CheckItem> createItems() { List<CheckItem> items = new ArrayList<>(months.size() + 1); CalendarViewRecurrence.Month allMonth = CalendarViewRecurrence.Month .create(getString(R.string.s_fd_option_all), 90); CheckItem all = new CheckItem(allMonth); all.checked = selectedMonths.containsAll(months); items.add(all); for (CalendarViewRecurrence.Month day : months) { CheckItem item = new CheckItem(day); item.checked = selectedMonths.contains(day); items.add(item); } return items; } private static class Adapter extends ArrayAdapter<CheckItem> { private List<CheckItem> items; private ListView listView; public Adapter(Context context, ListView listView, int layout, List<CheckItem> items) { super(context, layout, android.R.id.text1, items); this.items = items; this.listView = listView; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view = super.getView(position, convertView, parent); if (items != null) { CheckItem checkItem = items.get(position); boolean isItemChecked = checkItem.checked; listView.setItemChecked(position, isItemChecked); } return view; } } private final class CheckItem { private boolean checked; private final CalendarViewRecurrence.Month month; private CheckItem(CalendarViewRecurrence.Month month) { this.month = month; } @Override public String toString() { return month.toString(); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; CheckItem item = (CheckItem) o; return month != null ? month.equals(item.month) : item.month == null; } @Override public int hashCode() { return month != null ? month.hashCode() : 0; } } @Override protected Class<MonthsSelectedListener> getDialogCallbackClass() { return MonthsSelectedListener.class; } public static CalendarMonthFragmentBuilder createBuilder(FragmentManager fragmentManager) { return new CalendarMonthFragmentBuilder(fragmentManager); } //--------------------------------------------------------------------- // Dialog Builder //--------------------------------------------------------------------- public static class CalendarMonthFragmentBuilder extends BaseDialogFragmentBuilder<CalendarMonthDialogFragment> { public CalendarMonthFragmentBuilder(FragmentManager fragmentManager) { super(fragmentManager); } public CalendarMonthFragmentBuilder setSelected(List<CalendarViewRecurrence.Month> formats) { args.putParcelableArrayList(SELECTED_MONTHS_ARG, new ArrayList<>(formats)); return this; } public CalendarMonthFragmentBuilder setMonths(List<CalendarViewRecurrence.Month> formats) { args.putParcelableArrayList(MONTHS_ARG, new ArrayList<>(formats)); return this; } @Override protected CalendarMonthDialogFragment build() { return new CalendarMonthDialogFragment(); } } //--------------------------------------------------------------------- // Dialog Callback //--------------------------------------------------------------------- public interface MonthsSelectedListener extends DialogClickListener { void onMonthsSelected(List<CalendarViewRecurrence.Month> selectedMonths); } }