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Merge pull request #5234 from osmandapp/JsonContentsParser

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Wikivoyage contents parser
This commit is contained in:
Alexey 2018-04-14 12:54:06 +03:00 committed by GitHub
commit 0e94f534b0
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 116 additions and 105 deletions
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53
OsmAnd/src/net/osmand/plus/wikivoyage/article/WikivoyageArticleContentsFragment.java
View file

@ -19,12 +19,8 @@ import net.osmand.plus.activities.OsmandBaseExpandableListAdapter;
import net.osmand.plus.base.MenuBottomSheetDialogFragment;
import net.osmand.plus.base.bottomsheetmenu.SimpleBottomSheetItem;
import net.osmand.plus.base.bottomsheetmenu.simpleitems.TitleItem;
import net.osmand.plus.wikivoyage.data.ContentsJsonParser;
import net.osmand.plus.wikivoyage.data.ContentsJsonParser.ContentsContainer;
import net.osmand.plus.wikivoyage.data.WikivoyageJsonParser;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFragment {
@ -37,9 +33,6 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
private ExpandableListView expListView;
private LinkedHashMap<String, String> map;
private String link;
@Override
public void createMenuItems(Bundle savedInstanceState) {
Bundle args = getArguments();
@ -52,20 +45,15 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
return;
}
ContentsContainer contentsContainer = ContentsJsonParser.parseJsonContents(contentsJson);
if (contentsContainer == null) {
final WikivoyageJsonParser.WikivoyageContentItem wikivoyageContentItem = WikivoyageJsonParser.parseJsonContents(contentsJson);
if (wikivoyageContentItem == null) {
return;
}
final ArrayList<String> listDataHeader = contentsContainer.listDataHeader;
final LinkedHashMap<String, List<String>> listDataChild = contentsContainer.listDataChild;
map = contentsContainer.map;
items.add(new TitleItem(getString(R.string.shared_string_contents)));
expListView = new ExpandableListView(getContext());
ExpandableListAdapter listAdapter = new ExpandableListAdapter(getContext(), listDataHeader, listDataChild);
ExpandableListAdapter listAdapter = new ExpandableListAdapter(getContext(), wikivoyageContentItem);
expListView.setAdapter(listAdapter);
Drawable transparent = ContextCompat.getDrawable(getContext(), R.color.color_transparent);
@ -80,9 +68,9 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
expListView.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
link = map.get(listDataChild.get(listDataHeader.get(groupPosition)).get(childPosition));
sendResult();
int groupPosition, int childPosition, long id) {
String link = wikivoyageContentItem.getSubItems().get(groupPosition).getSubItems().get(childPosition).getLink();
sendResult(link);
dismiss();
return false;
}
@ -90,8 +78,8 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
expListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition, long id) {
link = map.get(listDataHeader.get(groupPosition));
sendResult();
String link = wikivoyageContentItem.getSubItems().get(groupPosition).getLink();
sendResult(link);
dismiss();
return false;
}
@ -102,7 +90,7 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
items.add(new SimpleBottomSheetItem.Builder().setCustomView(container).create());
}
private void sendResult() {
private void sendResult(String link) {
Intent intent = new Intent();
intent.putExtra(CONTENTS_LINK_KEY, link);
Fragment fragment = getTargetFragment();
@ -130,17 +118,14 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
private Context context;
private List<String> listDataHeader;
private LinkedHashMap<String, List<String>> listDataChild;
private WikivoyageJsonParser.WikivoyageContentItem wikivoyageContentItem;
private Drawable itemGroupIcon;
private Drawable itemChildIcon;
ExpandableListAdapter(Context context, List<String> listDataHeader,
LinkedHashMap<String, List<String>> listChildData) {
ExpandableListAdapter(Context context, WikivoyageJsonParser.WikivoyageContentItem wikivoyageContentItem) {
this.context = context;
this.listDataHeader = listDataHeader;
this.listDataChild = listChildData;
this.wikivoyageContentItem = wikivoyageContentItem;
itemGroupIcon = getIcon(R.drawable.ic_action_list_header, nightMode
? R.color.wikivoyage_contents_parent_icon_dark : R.color.wikivoyage_contents_parent_icon_light);
@ -151,7 +136,7 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
@Override
public Object getChild(int groupPosition, int childPosititon) {
return listDataChild.get(listDataHeader.get(groupPosition)).get(childPosititon);
return wikivoyageContentItem.getSubItems().get(groupPosition).getSubItems().get(childPosititon).getName();
}
@Override
@ -176,7 +161,7 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
convertView.findViewById(R.id.upper_row_divider).setVisibility(View.GONE);
txtListChild.setTypeface(null);
if (childPosition == listDataChild.get(listDataHeader.get(groupPosition)).size() - 1) {
if (childPosition == wikivoyageContentItem.getSubItems().get(groupPosition).getSubItems().size() - 1) {
convertView.findViewById(R.id.bottom_row_divider).setVisibility(View.VISIBLE);
} else {
convertView.findViewById(R.id.bottom_row_divider).setVisibility(View.GONE);
@ -187,18 +172,18 @@ public class WikivoyageArticleContentsFragment extends MenuBottomSheetDialogFrag
@Override
public int getChildrenCount(int groupPosition) {
List<String> list = listDataChild.get(listDataHeader.get(groupPosition));
return list == null ? 0 : list.size();
return wikivoyageContentItem.getSubItems().get(groupPosition).getSubItems().size();
}
@Override
public Object getGroup(int groupPosition) {
return this.listDataHeader.get(groupPosition);
return wikivoyageContentItem.getSubItems().get(groupPosition).getName();
}
@Override
public int getGroupCount() {
return this.listDataHeader.size();
return wikivoyageContentItem.getSubItems().size();
}
@Override

71
OsmAnd/src/net/osmand/plus/wikivoyage/data/ContentsJsonParser.java
View file

@ -1,71 +0,0 @@
package net.osmand.plus.wikivoyage.data;
import android.support.annotation.Nullable;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
public class ContentsJsonParser {
@Nullable
public static ContentsContainer parseJsonContents(String contentsJson) {
LinkedHashMap<String, String> map = new LinkedHashMap<>();
ArrayList<String> listDataHeader = new ArrayList<>();
LinkedHashMap<String, List<String>> listDataChild = new LinkedHashMap<>();
JSONObject reader;
try {
reader = new JSONObject(contentsJson);
} catch (JSONException e) {
e.printStackTrace();
return null;
}
List<String> secondLevel = null;
JSONArray jArray = reader.names();
for (int i = 0; i < jArray.length(); i++) {
try {
JSONArray contacts = reader.getJSONArray(reader.names().getString(i));
String link = contacts.getString(1);
map.put(reader.names().getString(i), link);
int level = contacts.getInt(0);
if (level == 2) {
listDataHeader.add(reader.names().getString(i));
secondLevel = new ArrayList<>();
}
if (level == 3) {
if (secondLevel == null) {
secondLevel = new ArrayList<>();
}
secondLevel.add(reader.names().getString(i));
listDataChild.put(listDataHeader.get(listDataHeader.size() - 1), secondLevel);
}
} catch (JSONException e) {
e.printStackTrace();
}
}
return new ContentsContainer(map, listDataHeader, listDataChild);
}
public static class ContentsContainer {
public LinkedHashMap<String, String> map;
public ArrayList<String> listDataHeader;
public LinkedHashMap<String, List<String>> listDataChild;
ContentsContainer(LinkedHashMap<String, String> map,
ArrayList<String> listDataHeader,
LinkedHashMap<String, List<String>> listChildData) {
this.map = map;
this.listDataHeader = listDataHeader;
this.listDataChild = listChildData;
}
}
}

97
OsmAnd/src/net/osmand/plus/wikivoyage/data/WikivoyageJsonParser.java Normal file
View file

@ -0,0 +1,97 @@
package net.osmand.plus.wikivoyage.data;
import android.support.annotation.Nullable;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.List;
public class WikivoyageJsonParser {
private static final String HEADERS = "headers";
private static final String SUBHEADERS = "subheaders";
private static final String LINK = "link";
@Nullable
public static WikivoyageContentItem parseJsonContents(String contentsJson) {
JSONObject jArray;
JSONObject reader;
try {
reader = new JSONObject(contentsJson);
jArray = reader.getJSONObject(HEADERS);
} catch (JSONException e) {
e.printStackTrace();
return null;
}
WikivoyageContentItem topWikivoyageContentItem = new WikivoyageContentItem(HEADERS, null);
for (int i = 0; i < jArray.length(); i++) {
try {
String link = "";
JSONObject jsonHeader = jArray.getJSONObject(jArray.names().getString(i));
link = jsonHeader.getString(LINK);
WikivoyageContentItem contentHeaderItem = new WikivoyageContentItem(jArray.names().getString(i), link, topWikivoyageContentItem);
topWikivoyageContentItem.subItems.add(contentHeaderItem);
JSONArray jsonSubheaders = jsonHeader.getJSONArray(SUBHEADERS);
List<String> subheaderNames = null;
for (int j = 0; j < jsonSubheaders.length(); j++) {
JSONObject jsonSubheader = jsonSubheaders.getJSONObject(j);
JSONObject jsonSubheaderLink = jsonSubheader.getJSONObject(jsonSubheader.keys().next());
if (subheaderNames == null) {
subheaderNames = new ArrayList<>();
}
subheaderNames.add(jsonSubheader.keys().next());
link = jsonSubheaderLink.getString(LINK);
WikivoyageContentItem contentsSubHeaderContainer = new WikivoyageContentItem(jsonSubheader.names().getString(0), link, contentHeaderItem);
contentHeaderItem.subItems.add(contentsSubHeaderContainer);
}
} catch (JSONException e) {
e.printStackTrace();
}
}
return topWikivoyageContentItem;
}
public static class WikivoyageContentItem {
private String link;
private String name;
private ArrayList<WikivoyageContentItem> subItems = new ArrayList<>();
private WikivoyageContentItem parent;
private WikivoyageContentItem(String name, String link) {
this.name = name;
this.link = link;
}
private WikivoyageContentItem(String name, String link, WikivoyageContentItem parent) {
this.parent = parent;
this.name = name;
this.link = link;
}
public String getName() {
return name;
}
public String getLink() {
return link;
}
public WikivoyageContentItem getParent() {
return parent;
}
public ArrayList<WikivoyageContentItem> getSubItems() {
return subItems;
}
}
}