/* * Project: NextGIS Mobile * Purpose: Mobile GIS for Android. * Author: Stanislav Petriakov, [email protected] * ***************************************************************************** * Copyright (c) 2016 NextGIS, [email protected] * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 Public License for more details. * * You should have received a copy of the GNU Lesser Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.nextgis.maplibui.dialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.Drawable; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.support.annotation.NonNull; import android.support.v7.app.AlertDialog; import android.support.v7.widget.SearchView; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.webkit.URLUtil; import android.widget.AbsListView; import android.widget.AdapterView; import android.widget.Button; import android.widget.Checkable; import android.widget.CheckedTextView; import android.widget.Filter; import android.widget.Filterable; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.SimpleAdapter; import android.widget.TextView; import android.widget.Toast; import com.nextgis.maplib.api.IGISApplication; import com.nextgis.maplib.api.ILayer; import com.nextgis.maplib.map.LayerGroup; import com.nextgis.maplib.map.MapBase; import com.nextgis.maplib.util.GeoConstants; import com.nextgis.maplib.util.HttpResponse; import com.nextgis.maplib.util.MapUtil; import com.nextgis.maplib.util.NetworkUtil; import com.nextgis.maplibui.R; import com.nextgis.maplibui.activity.NGActivity; import com.nextgis.maplibui.mapui.RemoteTMSLayerUI; import com.nextgis.maplibui.util.ConstantsUI; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.util.ArrayList; import java.util.HashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.Queue; import static com.nextgis.maplib.util.GeoConstants.TMSTYPE_NORMAL; import static com.nextgis.maplib.util.GeoConstants.TMSTYPE_OSM; public class CreateFromQMSLayerDialog extends NGDialog { protected final static String QMS_URL = "https://qms.nextgis.com/api/v1"; protected final static String QMS_GEOSERVICE_URL = QMS_URL + "/geoservices/"; protected final static String QMS_GEOSERVICE_LIST_URL = QMS_GEOSERVICE_URL + "?epsg=3857&format=json&type=tms"; protected final static String QMS_DETAIL_APPENDIX = "/?format=json"; protected final static String QMS_ICON_URL = QMS_URL + "/icons/"; protected final static String QMS_ICON_APPENDIX = "?width={w}&height={h}"; protected final static String QMS_ICON_CONTENT = "/content" + QMS_ICON_APPENDIX; protected final static String KEY_ID = "id"; protected final static String KEY_NAME = "name"; protected final static String KEY_ICON = "icon"; protected final static String KEY_URL = "url"; protected final static String KEY_Z_MIN = "z_min"; protected final static String KEY_Z_MAX = "z_max"; protected final static String Y_TOP = "y_origin_top"; protected LayerGroup mGroupLayer; protected ListView mLayers; protected LinearLayout mProgress, mQMSLayers; protected ProgressBar mProgressBar; protected TextView mProgressInfo; protected SearchView mSearch; protected Button mPositive; protected boolean mRetry; protected List<HashMap<String, Object>> mData; protected volatile List<Integer> mChecked; protected NetworkUtil mNet; protected File mQMSIconsDir; public CreateFromQMSLayerDialog setLayerGroup(LayerGroup groupLayer) { mGroupLayer = groupLayer; return this; } @Override public void onSaveInstanceState(Bundle outState) { outState.putInt(KEY_ID, mGroupLayer.getId()); super.onSaveInstanceState(outState); } @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { super.onCreateDialog(savedInstanceState); mNet = new NetworkUtil(mContext); mQMSIconsDir = MapUtil.prepareTempDir(mContext, "qms_icons"); if (null != savedInstanceState) { int id = savedInstanceState.getInt(KEY_ID); MapBase map = MapBase.getInstance(); if (null != map) { ILayer iLayer = map.getLayerById(id); if (iLayer instanceof LayerGroup) { mGroupLayer = (LayerGroup) iLayer; } } } AlertDialog.Builder builder = new AlertDialog.Builder(mContext); builder.setTitle(mTitle).setView(R.layout.list_content) .setPositiveButton(R.string.add, null) .setNeutralButton(R.string.new_tms, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { CreateRemoteTMSLayerDialog newFragment = new CreateRemoteTMSLayerDialog(); newFragment.setLayerGroup(mGroupLayer) .setTitle(mContext.getString(R.string.create_tms_layer)) .setTheme(((NGActivity) getActivity()).getThemeId()) .show(getActivity().getSupportFragmentManager(), "create_tms_layer"); } }) .setNegativeButton(R.string.cancel, null); final AlertDialog dialog = builder.create(); dialog.setCanceledOnTouchOutside(false); mData = new ArrayList<>(); mChecked = new ArrayList<>(); IGISApplication application = (IGISApplication) getActivity().getApplication(); application.sendScreen(ConstantsUI.GA_DIALOG_QMS); return dialog; } @Override public void onStart() { super.onStart(); final AlertDialog dialog = (AlertDialog) getDialog(); if (dialog != null && mLayers == null) { mPositive = dialog.getButton(DialogInterface.BUTTON_POSITIVE); mEnabledColor = mPositive.getTextColors().getDefaultColor(); setEnabled(mPositive, false); mLayers = (ListView) dialog.findViewById(R.id.list); mProgress = (LinearLayout) dialog.findViewById(R.id.progressContainer); mQMSLayers = (LinearLayout) dialog.findViewById(R.id.qms_layers); mProgressBar = (ProgressBar) dialog.findViewById(R.id.progressBar); mProgressInfo = (TextView) dialog.findViewById(R.id.progressInfo); mSearch = (SearchView) dialog.findViewById(R.id.search); mSearch.setOnQueryTextListener(new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextSubmit(String query) { return false; } @Override public boolean onQueryTextChange(String newText) { LayersAdapter adapter = (LayersAdapter) mLayers.getAdapter(); if (adapter != null) { adapter.getFilter().filter(newText); return true; } return false; } }); new LoadLayersList().execute(); mLayers.setItemsCanFocus(false); mLayers.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, final View view, final int position, long id) { new Handler().post(new Runnable() { @Override public void run() { boolean checked = ((CheckedTextView) view).isChecked(); //noinspection unchecked int id = (int) ((Map<String, Object>) mLayers.getAdapter().getItem(position)).get(KEY_ID); if (checked) { if (!mChecked.contains(id)) mChecked.add(id); } else mChecked.remove(Integer.valueOf(id)); setEnabled(mPositive, mChecked.size() > 0); } }); } }); mPositive.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (mRetry) { mRetry = false; mProgressBar.setVisibility(View.VISIBLE); mProgressInfo.setText(R.string.message_loading); setEnabled(mPositive, false); mPositive.setText(R.string.add); new LoadLayersList().execute(); } else { if (mChecked.size() > 0) { mQMSLayers.setVisibility(View.GONE); mProgress.setVisibility(View.VISIBLE); for (int i = 0; i < mChecked.size(); i++) new LoadLayer().execute(mChecked.get(i)); } else Toast.makeText(mContext, R.string.nothing_selected, Toast.LENGTH_SHORT).show(); dialog.dismiss(); } } }); } } private class LoadLayer extends AsyncTask<Integer, Void, HttpResponse> { private Integer mLayerId; @Override protected HttpResponse doInBackground(Integer... params) { if (!mNet.isNetworkAvailable()) return new HttpResponse(NetworkUtil.ERROR_NETWORK_UNAVAILABLE); try { mLayerId = params[0]; return NetworkUtil.get(QMS_GEOSERVICE_URL + mLayerId + QMS_DETAIL_APPENDIX, null, null, false); } catch (IOException e) { e.printStackTrace(); } return new HttpResponse(NetworkUtil.ERROR_DOWNLOAD_DATA); } @Override protected void onPostExecute(HttpResponse response) { super.onPostExecute(response); if (response.isOk()) { try { new JSONObject(response.getResponseBody()); createLayer(response.getResponseBody()); } catch (JSONException ignored) { Toast.makeText(mContext, R.string.qms_unavailable, Toast.LENGTH_SHORT).show(); } } else { Toast.makeText( mContext, NetworkUtil.getError(mContext, response.getResponseCode()), Toast.LENGTH_SHORT).show(); } mChecked.remove(mLayerId); if (mChecked.size() == 0) mGroupLayer.save(); } private void createLayer(String response) { try { JSONObject remoteLayer = new JSONObject(response); String layerName = remoteLayer.getString(KEY_NAME); String layerURL = remoteLayer.getString(KEY_URL); float minZoom = remoteLayer.isNull(KEY_Z_MIN) ? GeoConstants.DEFAULT_MIN_ZOOM : (float) remoteLayer.getDouble(KEY_Z_MIN); float maxZoom = remoteLayer.isNull(KEY_Z_MAX) ? GeoConstants.DEFAULT_MAX_ZOOM : (float) remoteLayer.getDouble(KEY_Z_MAX); boolean yOrder = remoteLayer.optBoolean(Y_TOP, true); int tmsType = yOrder ? TMSTYPE_OSM : TMSTYPE_NORMAL; // do we need this checks? QMS should provide correct data //check if {x}, {y} or {z} present if (!layerURL.contains("{x}") || !layerURL.contains("{y}") || !layerURL.contains("{z}")) { String error = layerName + ": " + mContext.getString(R.string.error_invalid_url); Toast.makeText(mContext, error, Toast.LENGTH_SHORT).show(); return; } if (!layerURL.startsWith("http")) { layerURL = "http://" + layerURL; } boolean isURL = URLUtil.isValidUrl(layerURL); if (!isURL) { String error = layerName + ": " + mContext.getString(R.string.error_invalid_url); Toast.makeText(mContext, error, Toast.LENGTH_SHORT).show(); return; } //create new layer and store it and add it to the map RemoteTMSLayerUI layer = new RemoteTMSLayerUI(mGroupLayer.getContext(), mGroupLayer.createLayerStorage()); layer.setName(layerName); layer.setURL(layerURL); layer.setTMSType(tmsType); layer.setVisible(true); layer.setMinZoom(minZoom); layer.setMaxZoom(maxZoom); mGroupLayer.addLayer(layer); } catch (JSONException e) { e.printStackTrace(); } } } private class LoadLayersList extends AsyncTask<Void, Void, HttpResponse> { private SimpleAdapter mAdapter; @Override protected HttpResponse doInBackground(Void... params) { if (!mNet.isNetworkAvailable()) return new HttpResponse(NetworkUtil.ERROR_NETWORK_UNAVAILABLE); try { return NetworkUtil.get(QMS_GEOSERVICE_LIST_URL, null, null, false); } catch (IOException e) { e.printStackTrace(); } return new HttpResponse(NetworkUtil.ERROR_DOWNLOAD_DATA); } @Override protected void onPostExecute(HttpResponse response) { super.onPostExecute(response); if (response.isOk()) { try { new JSONArray(response.getResponseBody()); createList(response.getResponseBody()); } catch (JSONException ignored) { Toast.makeText(mContext, R.string.qms_unavailable, Toast.LENGTH_SHORT).show(); showRetry(); } } else { Toast.makeText( mContext, NetworkUtil.getError(mContext, response.getResponseCode()), Toast.LENGTH_SHORT).show(); showRetry(); } } private void showRetry() { mRetry = true; mProgressBar.setVisibility(View.GONE); mProgressInfo.setText(R.string.error_connect_failed); setEnabled(mPositive, true); mPositive.setText(R.string.retry); } private void createList(String response) { try { JSONArray layers = new JSONArray(response); for (int i = 0; i < layers.length(); i++) { JSONObject layer = layers.getJSONObject(i); HashMap<String, Object> data = new HashMap<>(); data.put(KEY_ID, layer.getInt(KEY_ID)); data.put(KEY_NAME, layer.getString(KEY_NAME)); data.put(KEY_ICON, layer.getString(KEY_ICON)); mData.add(data); } } catch (JSONException e) { e.printStackTrace(); } mAdapter = new LayersAdapter(mContext, mData, R.layout.item_qms_layer, new String[]{KEY_NAME}, new int[]{R.id.text1}); mLayers.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE); mLayers.setAdapter(mAdapter); mProgress.setVisibility(View.GONE); mQMSLayers.setVisibility(View.VISIBLE); } } protected class LayersAdapter extends SimpleAdapter implements Filterable { private final LayoutInflater mInflater; private List<? extends Map<String, ?>> mOriginal, mFiltered; private Filter mFilter; private int[] mTo; private String[] mFrom; private int mResource; private Map<String, LoadIcon> mIconsQueue; LayersAdapter(Context context, List<? extends Map<String, ?>> data, int resource, String[] from, int[] to) { super(context, data, resource, from, to); mFiltered = mOriginal = data; mFrom = from; mTo = to; mResource = resource; mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); mIconsQueue = new HashMap<>(); } @Override public int getCount() { return mFiltered.size(); } @Override public Object getItem(int position) { return mFiltered.get(position); } @Override public View getView(int position, View convertView, ViewGroup parent) { return createViewFromResource(mInflater, position, convertView, parent, mResource); } private void bindView(int position, View view) { final Map dataSet = mFiltered.get(position); if (dataSet == null) return; final String[] from = mFrom; final int[] to = mTo; final int count = to.length; for (int i = 0; i < count; i++) { final View v = view.findViewById(to[i]); if (v != null) { final Object data = dataSet.get(from[i]); String text = data == null ? "" : data.toString(); if (text == null) text = ""; if (v instanceof Checkable) { if (v instanceof TextView) { TextView textView = (TextView) v; // Note: keep the instanceof TextView check at the bottom of these // ifs since a lot of views are TextViews (e.g. CheckBoxes). setViewText(textView, text); setIcon(textView, null); String id = (String) dataSet.get(KEY_ICON); if (id == null || !MapUtil.isParsable(id)) id = "default"; File icon = new File(mQMSIconsDir, id); if (icon.exists()) setIcon(textView, icon.getPath()); else if (mIconsQueue.keySet().contains(id)) mIconsQueue.get(id).addViewWithIcon(textView); else { LoadIcon task = new LoadIcon(icon.getPath(), textView); mIconsQueue.put(id, task); task.execute(); } } } } } } private View createViewFromResource(LayoutInflater inflater, int position, View convertView, ViewGroup parent, int resource) { View view; if (convertView == null) view = inflater.inflate(resource, parent, false); else view = convertView; bindView(position, view); return view; } @Override public Filter getFilter() { if (mFilter == null) mFilter = new Filter() { @Override protected FilterResults performFiltering(CharSequence constraint) { FilterResults result = new FilterResults(); if (!TextUtils.isEmpty(constraint) && constraint.length() > 1) { constraint = constraint.toString().toLowerCase(); List<Map<String, ?>> founded = new ArrayList<>(); for (Map<String, ?> item : mOriginal) if (item.get(KEY_NAME).toString().toLowerCase().contains(constraint)) founded.add(item); result.values = founded; result.count = founded.size(); } else { result.values = mOriginal; result.count = mOriginal.size(); } return result; } @Override protected void publishResults(CharSequence constraint, Filter.FilterResults results) { //noinspection unchecked mFiltered = (List<Map<String, ?>>) results.values; if (results.count > 0) { notifyDataSetChanged(); } else { notifyDataSetInvalidated(); } } }; return mFilter; } class LoadIcon extends AsyncTask<Void, Void, Void> { private File mFile; private String mPath; private Queue<TextView> mAssignedViews; LoadIcon(String path, TextView view) { mAssignedViews = new LinkedList<>(); mAssignedViews.add(view); mPath = path; mFile = new File(mPath); } @Override protected Void doInBackground(Void... params) { if (!mFile.exists()) { try { float density = getContext().getResources().getDisplayMetrics().density; int size = (int) (16 * density); if (size < 16) size = 16; if (size > 64) size = 64; String iconUrl; if (mFile.getName().equals("default")) iconUrl = QMS_ICON_URL + mFile.getName() + QMS_ICON_APPENDIX; else iconUrl = QMS_ICON_URL + mFile.getName() + QMS_ICON_CONTENT; iconUrl = iconUrl.replace("{w}", size + "").replace("{h}", size + ""); HttpURLConnection connection = NetworkUtil.getHttpConnection("GET", iconUrl, null, null); if (connection != null) { if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) { InputStream input = connection.getInputStream(); Bitmap icon = BitmapFactory.decodeStream(input); FileOutputStream fos = new FileOutputStream(mFile); icon.compress(Bitmap.CompressFormat.PNG, 100, fos); fos.close(); } } } catch (IOException e) { e.printStackTrace(); } } return null; } @Override protected void onPostExecute(Void aVoid) { super.onPostExecute(aVoid); if (mFile.exists()) while (mAssignedViews.size() > 0) setIcon(mAssignedViews.poll(), mPath); mIconsQueue.remove(mFile.getName()); } void addViewWithIcon(TextView textView) { mAssignedViews.add(textView); } } private void setIcon(TextView view, String path) { Drawable icon = Drawable.createFromPath(path); Drawable checkbox = view.getCompoundDrawables()[2]; if (icon != null) icon.setBounds(0, 0, checkbox.getIntrinsicWidth(), checkbox.getIntrinsicHeight()); view.setCompoundDrawables(icon, null, checkbox, null); } } }