tt-rss-android/src/org/fox/ttrss/offline/OfflineHeadlinesFragment.java

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package org.fox.ttrss.offline;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
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import org.fox.ttrss.R;
import org.fox.ttrss.R.drawable;
import org.fox.ttrss.R.id;
import org.fox.ttrss.R.layout;
import org.fox.ttrss.R.menu;
import org.fox.ttrss.R.string;
import org.jsoup.Jsoup;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.database.sqlite.SQLiteStatement;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.BaseColumns;
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import android.support.v4.app.Fragment;
import android.support.v4.widget.SimpleCursorAdapter;
import android.text.Html;
import android.text.Html.ImageGetter;
import android.text.method.LinkMovementMethod;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class OfflineHeadlinesFragment extends Fragment implements OnItemClickListener {
public static enum ArticlesSelection { ALL, NONE, UNREAD };
private final String TAG = this.getClass().getSimpleName();
private int m_feedId;
private int m_activeArticleId;
private boolean m_combinedMode = true;
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private String m_searchQuery = "";
private SharedPreferences m_prefs;
private Cursor m_cursor;
private ArticleListAdapter m_adapter;
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private OfflineServices m_offlineServices;
private ImageGetter m_dummyGetter = new ImageGetter() {
@Override
public Drawable getDrawable(String source) {
return new BitmapDrawable();
}
};
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public OfflineHeadlinesFragment(int feedId) {
m_feedId = feedId;
}
public OfflineHeadlinesFragment() {
//
}
@Override
public void onDestroy() {
super.onDestroy();
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if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
}
public int getSelectedArticleCount() {
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Cursor c = m_offlineServices.getReadableDb().query("articles",
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new String[] { "COUNT(*)" }, "selected = 1", null, null, null, null);
c.moveToFirst();
int selected = c.getInt(0);
c.close();
return selected;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
getActivity().getMenuInflater().inflate(R.menu.headlines_menu, menu);
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if (getSelectedArticleCount() > 0) {
menu.setHeaderTitle(R.string.headline_context_multiple);
menu.setGroupVisible(R.id.menu_group_single_article, false);
} else {
AdapterContextMenuInfo info = (AdapterContextMenuInfo)menuInfo;
Cursor c = getArticleAtPosition(info.position);
menu.setHeaderTitle(c.getString(c.getColumnIndex("title")));
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//c.close();
menu.setGroupVisible(R.id.menu_group_single_article, true);
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}
super.onCreateContextMenu(menu, v, menuInfo);
}
public void refresh() {
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if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
m_cursor = createCursor();
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if (m_cursor != null) {
m_adapter.changeCursor(m_cursor);
setActiveArticleId(m_offlineServices.getSelectedArticleId());
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m_adapter.notifyDataSetChanged();
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_feedId = savedInstanceState.getInt("feedId");
m_activeArticleId = savedInstanceState.getInt("activeArticleId");
//m_selectedArticles = savedInstanceState.getParcelableArrayList("selectedArticles");
m_combinedMode = savedInstanceState.getBoolean("combinedMode");
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m_searchQuery = (String) savedInstanceState.getCharSequence("searchQuery");
}
View view = inflater.inflate(R.layout.headlines_fragment, container, false);
m_cursor = createCursor();
ListView list = (ListView)view.findViewById(R.id.headlines);
m_adapter = new ArticleListAdapter(getActivity(), R.layout.headlines_row, m_cursor,
new String[] { "title" }, new int[] { R.id.title }, 0);
list.setAdapter(m_adapter);
list.setOnItemClickListener(this);
list.setEmptyView(view.findViewById(R.id.no_headlines));
registerForContextMenu(list);
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getActivity().setProgressBarIndeterminateVisibility(false);
return view;
}
public Cursor createCursor() {
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if (m_searchQuery.equals("")) {
return m_offlineServices.getReadableDb().query("articles",
null, "feed_id = ?", new String[] { String.valueOf(m_feedId) }, null, null, "updated DESC");
} else {
return m_offlineServices.getReadableDb().query("articles",
null, "feed_id = ? AND (title LIKE '%' || ? || '%' OR content LIKE '%' || ? || '%')",
new String[] { String.valueOf(m_feedId), m_searchQuery, m_searchQuery }, null, null, "updated DESC");
}
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
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m_offlineServices = (OfflineServices)activity;
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
m_combinedMode = m_prefs.getBoolean("combined_mode", false);
}
@Override
public void onItemClick(AdapterView<?> av, View view, int position, long id) {
ListView list = (ListView)av;
Log.d(TAG, "onItemClick=" + position);
if (list != null) {
Cursor cursor = (Cursor)list.getItemAtPosition(position);
m_activeArticleId = cursor.getInt(0);
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SQLiteStatement stmtUpdate = m_offlineServices.getWritableDb().compileStatement("UPDATE articles SET unread = 0 " +
"WHERE " + BaseColumns._ID + " = ?");
stmtUpdate.bindLong(1, m_activeArticleId);
stmtUpdate.execute();
stmtUpdate.close();
if (!m_combinedMode) {
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m_offlineServices.openArticle(m_activeArticleId, 0);
}
refresh();
}
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putInt("feedId", m_feedId);
out.putInt("activeArticleId", m_activeArticleId);
//out.putParcelableArrayList("selectedArticles", m_selectedArticles);
out.putBoolean("combinedMode", m_combinedMode);
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out.putCharSequence("searchQuery", m_searchQuery);
}
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/* public void setLoadingStatus(int status, boolean showProgress) {
if (getView() != null) {
TextView tv = (TextView)getView().findViewById(R.id.loading_message);
if (tv != null) {
tv.setText(status);
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}
}
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getActivity().setProgressBarIndeterminateVisibility(showProgress);
} */
private class ArticleListAdapter extends SimpleCursorAdapter {
public ArticleListAdapter(Context context, int layout, Cursor c,
String[] from, int[] to, int flags) {
super(context, layout, c, from, to, flags);
// TODO Auto-generated constructor stub
}
public static final int VIEW_NORMAL = 0;
public static final int VIEW_UNREAD = 1;
public static final int VIEW_SELECTED = 2;
public static final int VIEW_LOADMORE = 3;
public static final int VIEW_COUNT = VIEW_LOADMORE+1;
public int getViewTypeCount() {
return VIEW_COUNT;
}
@Override
public int getItemViewType(int position) {
Cursor c = (Cursor) getItem(position);
//Log.d(TAG, "@gIVT " + position + " " + c.getInt(0) + " vs " + m_activeArticleId);
if (c.getInt(0) == m_activeArticleId) {
return VIEW_SELECTED;
} else if (c.getInt(c.getColumnIndex("unread")) == 1) {
return VIEW_UNREAD;
} else {
return VIEW_NORMAL;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
Cursor article = (Cursor)getItem(position);
final int articleId = article.getInt(0);
if (v == null) {
int layoutId = R.layout.headlines_row;
switch (getItemViewType(position)) {
case VIEW_LOADMORE:
layoutId = R.layout.headlines_row_loadmore;
break;
case VIEW_UNREAD:
layoutId = R.layout.headlines_row_unread;
break;
case VIEW_SELECTED:
layoutId = R.layout.headlines_row_selected;
break;
}
LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(layoutId, null);
// http://code.google.com/p/android/issues/detail?id=3414
((ViewGroup)v).setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
}
TextView tt = (TextView)v.findViewById(R.id.title);
if (tt != null) {
if (m_combinedMode) {
tt.setMovementMethod(LinkMovementMethod.getInstance());
tt.setText(Html.fromHtml("<a href=\""+article.getString(article.getColumnIndex("link")).trim().replace("\"", "\\\"")+"\">" +
article.getString(article.getColumnIndex("title")) + "</a>"));
} else {
tt.setText(Html.fromHtml(article.getString(article.getColumnIndex("title"))));
}
}
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TextView ft = (TextView)v.findViewById(R.id.feed_title);
if (ft != null) {
ft.setVisibility(View.GONE);
}
ImageView marked = (ImageView)v.findViewById(R.id.marked);
if (marked != null) {
marked.setImageResource(article.getInt(article.getColumnIndex("marked")) == 1 ? android.R.drawable.star_on : android.R.drawable.star_off);
marked.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
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SQLiteStatement stmtUpdate = m_offlineServices.getWritableDb().compileStatement("UPDATE articles SET marked = NOT marked " +
"WHERE " + BaseColumns._ID + " = ?");
stmtUpdate.bindLong(1, articleId);
stmtUpdate.execute();
stmtUpdate.close();
refresh();
}
});
}
ImageView published = (ImageView)v.findViewById(R.id.published);
if (published != null) {
published.setImageResource(article.getInt(article.getColumnIndex("published")) == 1 ? R.drawable.ic_rss : R.drawable.ic_rss_bw);
published.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
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SQLiteStatement stmtUpdate = m_offlineServices.getWritableDb().compileStatement("UPDATE articles SET published = NOT published " +
"WHERE " + BaseColumns._ID + " = ?");
stmtUpdate.bindLong(1, articleId);
stmtUpdate.execute();
stmtUpdate.close();
refresh();
}
});
}
TextView te = (TextView)v.findViewById(R.id.excerpt);
if (te != null) {
if (!m_combinedMode) {
String excerpt = Jsoup.parse(article.getString(article.getColumnIndex("content"))).text();
if (excerpt.length() > 100)
excerpt = excerpt.substring(0, 100) + "...";
te.setText(excerpt);
} else {
te.setVisibility(View.GONE);
}
}
/* ImageView separator = (ImageView)v.findViewById(R.id.headlines_separator);
if (separator != null && m_offlineServices.isSmallScreen()) {
separator.setVisibility(View.GONE);
} */
TextView content = (TextView)v.findViewById(R.id.content);
if (content != null) {
if (m_combinedMode) {
content.setMovementMethod(LinkMovementMethod.getInstance());
content.setText(Html.fromHtml(article.getString(article.getColumnIndex("content")), m_dummyGetter, null));
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switch (Integer.parseInt(m_prefs.getString("font_size", "0"))) {
case 0:
content.setTextSize(15F);
break;
case 1:
content.setTextSize(18F);
break;
case 2:
content.setTextSize(21F);
break;
}
} else {
content.setVisibility(View.GONE);
}
}
v.findViewById(R.id.attachments_holder).setVisibility(View.GONE);
TextView dv = (TextView) v.findViewById(R.id.date);
if (dv != null) {
Date d = new Date((long)article.getInt(article.getColumnIndex("updated")) * 1000);
DateFormat df = new SimpleDateFormat("MMM dd, HH:mm");
df.setTimeZone(TimeZone.getDefault());
dv.setText(df.format(d));
}
CheckBox cb = (CheckBox) v.findViewById(R.id.selected);
if (cb != null) {
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cb.setChecked(article.getInt(article.getColumnIndex("selected")) == 1);
cb.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
CheckBox cb = (CheckBox)view;
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SQLiteStatement stmtUpdate = m_offlineServices.getWritableDb().compileStatement("UPDATE articles SET selected = ? " +
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"WHERE " + BaseColumns._ID + " = ?");
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stmtUpdate.bindLong(1, cb.isChecked() ? 1 : 0);
stmtUpdate.bindLong(2, articleId);
stmtUpdate.execute();
stmtUpdate.close();
refresh();
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m_offlineServices.initMainMenu();
}
});
}
return v;
}
}
public void notifyUpdated() {
m_adapter.notifyDataSetChanged();
}
public void setActiveArticleId(int articleId) {
m_activeArticleId = articleId;
// m_adapter.notifyDataSetChanged();
ListView list = (ListView)getView().findViewById(R.id.headlines);
if (list != null) {
list.setSelection(getArticleIdPosition(articleId));
}
}
public Cursor getArticleAtPosition(int position) {
return (Cursor) m_adapter.getItem(position);
}
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public int getArticleIdAtPosition(int position) {
/*Cursor c = getArticleAtPosition(position);
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if (c != null) {
int id = c.getInt(0);
return id;
} */
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return (int) m_adapter.getItemId(position);
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}
public int getActiveArticleId() {
return m_activeArticleId;
}
public int getArticleIdPosition(int articleId) {
for (int i = 0; i < m_adapter.getCount(); i++) {
if (articleId == m_adapter.getItemId(i))
return i;
}
return 0;
}
public int getArticleCount() {
return m_adapter.getCount();
}
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public void setSearchQuery(String query) {
if (!m_searchQuery.equals(query)) {
m_searchQuery = query;
refresh();
}
}
}