Java tutorial
/* * Copyright (C) 2012-2015 Paul Watts (paulcwatts@gmail.com), Sean J. Barbeau (sjbarbeau@gmail.com), * York Region Transit / VIVA * * 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 org.onebusaway.android.ui; import org.onebusaway.android.R; import org.onebusaway.android.io.elements.ObaArrivalInfo; import org.onebusaway.android.provider.ObaContract; import org.onebusaway.android.util.MyTextUtils; import org.onebusaway.android.util.UIUtils; import org.onebusaway.util.comparators.AlphanumComparator; import android.content.ContentValues; import android.content.Context; import android.content.res.Resources; import android.graphics.drawable.Drawable; import android.graphics.drawable.GradientDrawable; import android.support.v4.graphics.drawable.DrawableCompat; import android.text.format.DateUtils; import android.view.LayoutInflater; import android.view.View; import android.widget.ImageButton; import android.widget.RelativeLayout; import android.widget.TableLayout; import android.widget.TableRow; import android.widget.TextView; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; /** * Styles of arrival times used by York Region Transit */ public class ArrivalsListAdapterStyleB extends ArrivalsListAdapterBase<CombinedArrivalInfoStyleB> { private static final String TAG = "ArrivalsListAdapStyleB"; AlphanumComparator mAlphanumComparator = new AlphanumComparator(); ArrivalsListFragment mFragment; public ArrivalsListAdapterStyleB(Context context) { super(context, R.layout.arrivals_list_item_style_b); } public void setFragment(ArrivalsListFragment fragment) { mFragment = fragment; } /** * Sets the data to be used with the adapter * * @param routesFilter routeIds to filter for * @param currentTime current time in milliseconds */ public void setData(ObaArrivalInfo[] arrivals, ArrayList<String> routesFilter, long currentTime) { if (arrivals != null) { ArrayList<ArrivalInfo> list = ArrivalInfo.convertObaArrivalInfo(getContext(), arrivals, routesFilter, currentTime); // Sort list by route and headsign, in that order Collections.sort(list, new Comparator<ArrivalInfo>() { @Override public int compare(ArrivalInfo s1, ArrivalInfo s2) { int routeCompare = mAlphanumComparator.compare(s1.getInfo().getRouteId(), s2.getInfo().getRouteId()); if (routeCompare != 0) { return routeCompare; } else { // Compare headsigns when the route is the same return mAlphanumComparator.compare(s1.getInfo().getHeadsign(), s2.getInfo().getHeadsign()); } } }); if (list.size() > 0) { ArrayList<CombinedArrivalInfoStyleB> newList = new ArrayList<CombinedArrivalInfoStyleB>(); String currentRouteName = null; String currentHeadsign = null; CombinedArrivalInfoStyleB cArrivalInfo = new CombinedArrivalInfoStyleB(); for (int i = 0; i < list.size(); i++) { if (currentRouteName == null) { // Initialize fields currentRouteName = list.get(i).getInfo().getRouteId(); currentHeadsign = list.get(i).getInfo().getHeadsign(); } else { if (!currentRouteName.equals(list.get(i).getInfo().getRouteId()) || !currentHeadsign.equals(list.get(i).getInfo().getHeadsign())) { // Create a new card newList.add(cArrivalInfo); cArrivalInfo = new CombinedArrivalInfoStyleB(); currentRouteName = list.get(i).getInfo().getRouteId(); currentHeadsign = list.get(i).getInfo().getHeadsign(); } } cArrivalInfo.getArrivalInfoList().add(list.get(i)); } if (!cArrivalInfo.getArrivalInfoList().isEmpty()) { newList.add(cArrivalInfo); setData(newList); return; } } } // If we get this far, we don't have any data to use setData(null); } @Override protected void initView(final View view, CombinedArrivalInfoStyleB combinedArrivalInfoStyleB) { final ArrivalInfo stopInfo = combinedArrivalInfoStyleB.getArrivalInfoList().get(0); final ObaArrivalInfo arrivalInfo = stopInfo.getInfo(); final Context context = getContext(); LayoutInflater inflater = LayoutInflater.from(context); TextView routeName = (TextView) view.findViewById(R.id.routeName); TextView destination = (TextView) view.findViewById(R.id.routeDestination); // TableLayout that we will fill with TableRows of arrival times TableLayout arrivalTimesLayout = (TableLayout) view.findViewById(R.id.arrivalTimeLayout); arrivalTimesLayout.removeAllViews(); Resources r = view.getResources(); ImageButton starBtn = (ImageButton) view.findViewById(R.id.route_star); starBtn.setColorFilter(r.getColor(R.color.theme_primary)); ImageButton mapImageBtn = (ImageButton) view.findViewById(R.id.mapImageBtn); mapImageBtn.setColorFilter(r.getColor(R.color.theme_primary)); ImageButton routeMoreInfo = (ImageButton) view.findViewById(R.id.route_more_info); routeMoreInfo.setColorFilter(r.getColor(R.color.switch_thumb_normal_material_dark)); starBtn.setImageResource( stopInfo.isRouteAndHeadsignFavorite() ? R.drawable.focus_star_on : R.drawable.focus_star_off); starBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Show dialog for setting route favorite RouteFavoriteDialogFragment dialog = new RouteFavoriteDialogFragment.Builder( stopInfo.getInfo().getRouteId(), stopInfo.getInfo().getHeadsign()) .setRouteShortName(stopInfo.getInfo().getShortName()) .setRouteLongName(stopInfo.getInfo().getRouteLongName()) .setStopId(stopInfo.getInfo().getStopId()) .setFavorite(!stopInfo.isRouteAndHeadsignFavorite()).build(); dialog.setCallback(new RouteFavoriteDialogFragment.Callback() { @Override public void onSelectionComplete(boolean savedFavorite) { if (savedFavorite) { mFragment.refreshLocal(); } } }); dialog.show(mFragment.getFragmentManager(), RouteFavoriteDialogFragment.TAG); } }); // Setup map mapImageBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mFragment.showRouteOnMap(stopInfo); } }); // Setup more routeMoreInfo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mFragment.showListItemMenu(view, stopInfo); } }); routeName.setText(arrivalInfo.getShortName()); destination.setText(MyTextUtils.toTitleCase(arrivalInfo.getHeadsign())); // Loop through the arrival times and create the TableRows that contains the data for (int i = 0; i < combinedArrivalInfoStyleB.getArrivalInfoList().size(); i++) { final ArrivalInfo arrivalRow = combinedArrivalInfoStyleB.getArrivalInfoList().get(i); final ObaArrivalInfo tempArrivalInfo = arrivalRow.getInfo(); long scheduledTime = tempArrivalInfo.getScheduledArrivalTime(); // Create a new row to be added final TableRow tr = (TableRow) inflater.inflate(R.layout.arrivals_list_tr_template_style_b, null); // Layout and views to inflate from XML templates RelativeLayout layout; TextView scheduleView, estimatedView, statusView; View divider; if (i == 0) { // Use larger styled layout/view for next arrival time layout = (RelativeLayout) inflater.inflate(R.layout.arrivals_list_rl_template_style_b_large, null); scheduleView = (TextView) inflater .inflate(R.layout.arrivals_list_tv_template_style_b_schedule_large, null); estimatedView = (TextView) inflater .inflate(R.layout.arrivals_list_tv_template_style_b_estimated_large, null); statusView = (TextView) inflater.inflate(R.layout.arrivals_list_tv_template_style_b_status_large, null); } else { // Use smaller styled layout/view for further out times layout = (RelativeLayout) inflater.inflate(R.layout.arrivals_list_rl_template_style_b_small, null); scheduleView = (TextView) inflater .inflate(R.layout.arrivals_list_tv_template_style_b_schedule_small, null); estimatedView = (TextView) inflater .inflate(R.layout.arrivals_list_tv_template_style_b_estimated_small, null); statusView = (TextView) inflater.inflate(R.layout.arrivals_list_tv_template_style_b_status_small, null); } // Set arrival times and status in views scheduleView.setText(DateUtils.formatDateTime(context, scheduledTime, DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_NO_NOON | DateUtils.FORMAT_NO_MIDNIGHT)); if (arrivalRow.getPredicted()) { long eta = arrivalRow.getEta(); if (eta == 0) { estimatedView.setText(R.string.stop_info_eta_now); } else { estimatedView.setText(eta + " min"); } } else { estimatedView.setText(R.string.stop_info_eta_unknown); } statusView.setText(arrivalRow.getStatusText()); int colorCode = arrivalRow.getColor(); statusView.setBackgroundResource(R.drawable.round_corners_style_b_status); GradientDrawable d = (GradientDrawable) statusView.getBackground(); d.setColor(context.getResources().getColor(colorCode)); int alpha; if (i == 0) { // Set next arrival alpha = (int) (1.0f * 255); // X percent transparency } else { // Set smaller rows alpha = (int) (.35f * 255); // X percent transparency } d.setAlpha(alpha); // Set padding on status view int pSides = UIUtils.dpToPixels(context, 5); int pTopBottom = UIUtils.dpToPixels(context, 2); statusView.setPadding(pSides, pTopBottom, pSides, pTopBottom); // Add TextViews to layout layout.addView(scheduleView); layout.addView(statusView); layout.addView(estimatedView); // Make sure the TextViews align left/center/right of parent relative layout RelativeLayout.LayoutParams params1 = (RelativeLayout.LayoutParams) scheduleView.getLayoutParams(); params1.addRule(RelativeLayout.ALIGN_PARENT_LEFT); params1.addRule(RelativeLayout.CENTER_VERTICAL); scheduleView.setLayoutParams(params1); RelativeLayout.LayoutParams params2 = (RelativeLayout.LayoutParams) statusView.getLayoutParams(); params2.addRule(RelativeLayout.CENTER_IN_PARENT); // Give status view a little extra margin int p = UIUtils.dpToPixels(context, 3); params2.setMargins(p, p, p, p); statusView.setLayoutParams(params2); RelativeLayout.LayoutParams params3 = (RelativeLayout.LayoutParams) estimatedView.getLayoutParams(); params3.addRule(RelativeLayout.ALIGN_PARENT_RIGHT); params3.addRule(RelativeLayout.CENTER_VERTICAL); estimatedView.setLayoutParams(params3); // Add layout to TableRow tr.addView(layout); // Add the divider, if its not the first row if (i != 0) { int dividerHeight = UIUtils.dpToPixels(context, 1); divider = inflater.inflate(R.layout.arrivals_list_divider_template_style_b, null); divider.setLayoutParams( new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, dividerHeight)); arrivalTimesLayout.addView(divider); } // Add click listener tr.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mFragment.showListItemMenu(tr, arrivalRow); } }); // Add TableRow to container layout arrivalTimesLayout.addView(tr, new TableLayout.LayoutParams(TableLayout.LayoutParams.MATCH_PARENT, TableLayout.LayoutParams.MATCH_PARENT)); } // Show or hide reminder for this trip ContentValues values = null; if (mTripsForStop != null) { values = mTripsForStop.getValues(arrivalInfo.getTripId()); } if (values != null) { String reminderName = values.getAsString(ObaContract.Trips.NAME); TextView reminder = (TextView) view.findViewById(R.id.reminder); if (reminderName.length() == 0) { reminderName = context.getString(R.string.trip_info_noname); } reminder.setText(reminderName); Drawable d = reminder.getCompoundDrawables()[0]; d = DrawableCompat.wrap(d); DrawableCompat.setTint(d.mutate(), view.getResources().getColor(R.color.theme_primary)); reminder.setCompoundDrawables(d, null, null, null); reminder.setVisibility(View.VISIBLE); } else { // Explicitly set reminder to invisible because we might be reusing // this view. View reminder = view.findViewById(R.id.reminder); reminder.setVisibility(View.GONE); } } }