Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2014 Devcon Contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WpeITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package org.devconmyanmar.apps.devcon.adapter; import android.content.Context; import android.content.res.Resources; import android.os.Build; import android.support.v4.content.ContextCompat; import android.support.v7.widget.RecyclerView; import android.util.TypedValue; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.FrameLayout; import android.widget.TextView; import butterknife.Bind; import butterknife.ButterKnife; import com.google.gson.Gson; import java.util.ArrayList; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import mm.technomation.tmmtextutilities.mmtext; import org.devconmyanmar.apps.devcon.R; import org.devconmyanmar.apps.devcon.db.SpeakerDao; import org.devconmyanmar.apps.devcon.model.Talk; import org.devconmyanmar.apps.devcon.ui.TalkClickListener; import org.devconmyanmar.apps.devcon.ui.widget.ForegroundImageView; import org.devconmyanmar.apps.devcon.utils.Phrase; import org.devconmyanmar.apps.devcon.utils.TimeUtils; import static org.devconmyanmar.apps.devcon.utils.LogUtils.makeLogTag; /** * Created by Ye Lin Aung on 14/10/05. */ public class ScheduleAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { private static final int VIEW_TYPE_KEYNOTE = 1; private static final int VIEW_TYPE_NORMAL = 2; private static final int VIEW_TYPE_WORKSHOP = 4; private static final String TAG = makeLogTag(ScheduleAdapter.class); private static final int VIEW_TYPE_COUNT = 4; private List<Talk> mTalks = new ArrayList<Talk>(); private Context mContext; private LayoutInflater mInflater; private SpeakerDao speakerDao; private TalkClickListener talkClickListener; public ScheduleAdapter(Context mContext, TalkClickListener talkClickListener) { this.mContext = mContext; this.mInflater = LayoutInflater.from(mContext); this.speakerDao = new SpeakerDao(mContext); this.talkClickListener = talkClickListener; } public void replaceWith(List<Talk> talks) { this.mTalks = talks; notifyDataSetChanged(); } @Override public long getItemId(int position) { return mTalks.get(position).getId(); } @Override public int getItemCount() { return mTalks.size(); } @Override public int getItemViewType(int position) { return mTalks.get(position).getTalk_type() % VIEW_TYPE_COUNT; } @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) { switch (viewType) { case VIEW_TYPE_KEYNOTE: View keynoteView = mInflater.inflate(R.layout.row_keynote, viewGroup, false); return new KeynoteViewHolder(keynoteView, talkClickListener); case VIEW_TYPE_NORMAL: View scheduleView = mInflater.inflate(R.layout.row_normal_schedule, viewGroup, false); return new NormalViewHolder(scheduleView, talkClickListener); case VIEW_TYPE_WORKSHOP: View workshopView = mInflater.inflate(R.layout.row_workshop, viewGroup, false); return new WorkshopViewHolder(workshopView, talkClickListener); default: View defaultView = mInflater.inflate(R.layout.row_normal_schedule, viewGroup, false); return new NormalViewHolder(defaultView, talkClickListener); } } @Override public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) { Talk mTalk = mTalks.get(position); Resources r = mContext.getResources(); int px = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, r.getDisplayMetrics()); switch (viewHolder.getItemViewType()) { case VIEW_TYPE_KEYNOTE: KeynoteViewHolder keynoteViewHolder = (KeynoteViewHolder) viewHolder; keynoteViewHolder.mKeynoteTitle.setText(mTalk.getTitle()); String dateString = mTalk.getDate(); String formattedDate = TimeUtils.parseDateString(dateString); String keynoteFormattedFrom = TimeUtils.parseFromToString(mTalk.getFrom_time()); String keynoteFormattedTo = TimeUtils.parseFromToString(mTalk.getTo_time()); String keynoteRoom = TimeUtils.getProperRoomName(mTalk.getRoom()); // Phrase yo! CharSequence keyNoteTimeAndPlace = Phrase.from(mContext, R.string.talk_detail_time_and_place) .put("day", formattedDate).put("from_time", keynoteFormattedFrom) .put("to_time", keynoteFormattedTo).put("room", keynoteRoom).format(); keynoteViewHolder.mKeyNoteTime.setText(keyNoteTimeAndPlace); break; case VIEW_TYPE_NORMAL: NormalViewHolder normalViewHolder = (NormalViewHolder) viewHolder; if (Build.VERSION.SDK_INT >= 21) { normalViewHolder.mNormalContainer.setPadding(0, px, 0, 0); } String normalFormattedFrom = TimeUtils.parseFromToString(mTalk.getFrom_time()); String normalFormattedTo = TimeUtils.parseFromToString(mTalk.getTo_time()); String talkTitle = mTalk.getTitle(); normalViewHolder.mScheduleTitle.setText(talkTitle); if (isMyanmarText(talkTitle)) { mmtext.prepareView(mContext, normalViewHolder.mScheduleTitle, mmtext.TEXT_UNICODE, true, true); } normalViewHolder.mFromTime.setText(normalFormattedFrom); normalViewHolder.mToTime.setText(normalFormattedTo); String speakers = flatternSpeakerNames(mTalk.getSpeakers()); normalViewHolder.mScheduleSpeakers.setText(speakers); break; case VIEW_TYPE_WORKSHOP: WorkshopViewHolder workshopViewHolder = (WorkshopViewHolder) viewHolder; workshopViewHolder.mWorkshopBackground .setBackgroundColor(ContextCompat.getColor(mContext, R.color.fb_button_background)); workshopViewHolder.mWorkshopTitle.setText(mTalk.getTitle()); String workshopDate = mTalk.getDate(); formattedDate = TimeUtils.parseDateString(workshopDate); String wsFormattedFrom = TimeUtils.parseFromToString(mTalk.getFrom_time()); String wsFormattedTo = TimeUtils.parseFromToString(mTalk.getTo_time()); String wsRoom = TimeUtils.getProperRoomName(mTalk.getRoom()); // Phrase yo! CharSequence wsNoteTimeAndPlace = Phrase.from(mContext, R.string.talk_detail_time_and_place) .put("day", formattedDate).put("from_time", wsFormattedFrom).put("to_time", wsFormattedTo) .put("room", wsRoom).format(); workshopViewHolder.mWorkshopTime.setText(wsNoteTimeAndPlace); break; } } private String flatternSpeakerNames(String speakers) { String id[] = new Gson().fromJson(speakers, String[].class); String s = ""; for (int i = 0; i < id.length; i++) { s = s + speakerDao.getSpeakerNameById(id[i]); // Do not append comma at the end of last element if (i < id.length - 1) { s = s + ", "; } } return s; } static class KeynoteViewHolder extends RecyclerView.ViewHolder { @Bind(R.id.keynote_row) FrameLayout mKeynoteWrapper; @Bind(R.id.keynote_background) ForegroundImageView mKeynoteBackground; @Bind(R.id.keynote_title) TextView mKeynoteTitle; @Bind(R.id.keynote_time_and_place) TextView mKeyNoteTime; public KeynoteViewHolder(View view, final TalkClickListener talkClickListener) { super(view); ButterKnife.bind(this, view); mKeynoteWrapper.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { talkClickListener.onTalkClick(v, getAdapterPosition()); } }); } } static class NormalViewHolder extends RecyclerView.ViewHolder { @Bind(R.id.normal_card_container) FrameLayout mNormalContainer; @Bind(R.id.normal_schedule_from_time) TextView mFromTime; @Bind(R.id.normal_schedule_to_time) TextView mToTime; @Bind(R.id.normal_schedule_title) TextView mScheduleTitle; @Bind(R.id.normal_schedule_speakers) TextView mScheduleSpeakers; public NormalViewHolder(View view, final TalkClickListener talkClickListener) { super(view); ButterKnife.bind(this, view); mNormalContainer.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { talkClickListener.onTalkClick(v, getAdapterPosition()); } }); } } static class WorkshopViewHolder extends RecyclerView.ViewHolder { @Bind(R.id.workshop_wrapper) FrameLayout workshopWrapper; @Bind(R.id.workshop_background) ForegroundImageView mWorkshopBackground; @Bind(R.id.workshop_title) TextView mWorkshopTitle; @Bind(R.id.workshop_time_and_place) TextView mWorkshopTime; public WorkshopViewHolder(View view, final TalkClickListener talkClickListenerk) { super(view); ButterKnife.bind(this, view); workshopWrapper.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { talkClickListenerk.onTalkClick(v, getAdapterPosition()); } }); } } public static boolean isMyanmarText(String str) { Pattern normalRange = Pattern.compile("^[\\u1000-\\u109f]"); Pattern extendedRange = Pattern.compile("^[\\uaa60-\\uaa7f]"); Matcher normalMatcher = normalRange.matcher(str); Matcher extendedMatcher = extendedRange.matcher(str); return normalMatcher.find() || extendedMatcher.find(); } }