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package cgeo.geocaching.ui.logs;
import cgeo.geocaching.ImagesActivity;
import cgeo.geocaching.LogEntry;
import cgeo.geocaching.R;
import cgeo.geocaching.activity.AbstractActivity;
import cgeo.geocaching.activity.Progress;
import cgeo.geocaching.list.StoredList;
import cgeo.geocaching.network.HtmlImage;
import cgeo.geocaching.ui.AbstractCachingListViewPageViewCreator;
import cgeo.geocaching.ui.AnchorAwareLinkMovementMethod;
import cgeo.geocaching.ui.DecryptTextClickListener;
import cgeo.geocaching.ui.HtmlImageCounter;
import cgeo.geocaching.ui.UserActionsClickListener;
import cgeo.geocaching.utils.Formatter;
import cgeo.geocaching.utils.TextUtils;
import cgeo.geocaching.utils.UnknownTagsHandler;
import org.apache.commons.lang3.StringEscapeUtils;
import android.os.AsyncTask;
import android.text.Html;
import android.text.Spanned;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
public abstract class LogsViewCreator extends AbstractCachingListViewPageViewCreator {
protected final AbstractActivity activity;
public LogsViewCreator(final AbstractActivity activity) {
this.activity = activity;
}
@Override
public ListView getDispatchedView(final ViewGroup parentView) {
if (!isValid()) {
return null;
}
final List<LogEntry> logs = getLogs();
view = (ListView) activity.getLayoutInflater().inflate(R.layout.logs_page, parentView, false);
addHeaderView();
view.setAdapter(new ArrayAdapter<LogEntry>(activity, R.layout.logs_item, logs) {
@Override
public View getView(final int position, final View convertView, final android.view.ViewGroup parent) {
View rowView = convertView;
if (null == rowView) {
rowView = activity.getLayoutInflater().inflate(R.layout.logs_item, parent, false);
}
LogViewHolder holder = (LogViewHolder) rowView.getTag();
if (null == holder) {
holder = new LogViewHolder(rowView);
}
holder.setPosition(position);
final LogEntry log = getItem(position);
fillViewHolder(convertView, holder, log);
return rowView;
}
});
return view;
}
protected void fillViewHolder(final View convertView, final LogViewHolder holder, final LogEntry log) {
if (log.date > 0) {
holder.date.setText(Formatter.formatShortDateVerbally(log.date));
holder.date.setVisibility(View.VISIBLE);
} else {
holder.date.setVisibility(View.GONE);
}
holder.type.setText(log.type.getL10n());
holder.author.setText(StringEscapeUtils.unescapeHtml4(log.author));
fillCountOrLocation(holder, log);
// log text, avoid parsing HTML if not necessary
String logText = log.log;
if (TextUtils.containsHtml(logText)) {
logText = log.getDisplayText();
// Fast preview: parse only HTML without loading any images
final HtmlImageCounter imageCounter = new HtmlImageCounter();
final UnknownTagsHandler unknownTagsHandler = new UnknownTagsHandler();
holder.text.setText(Html.fromHtml(logText, imageCounter, unknownTagsHandler), TextView.BufferType.SPANNABLE);
if (imageCounter.getImageCount() > 0) {
// Complete view: parse again with loading images - if necessary ! If there are any images causing problems the user can see at least the preview
final LogImageLoader loader = new LogImageLoader(holder);
loader.execute(logText);
}
}
else {
holder.text.setText(logText, TextView.BufferType.SPANNABLE);
}
// images
if (log.hasLogImages()) {
holder.images.setText(log.getImageTitles());
holder.images.setVisibility(View.VISIBLE);
holder.images.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(final View v) {
ImagesActivity.startActivityLogImages(activity, getGeocode(), new ArrayList<>(log.getLogImages()));
}
});
} else {
holder.images.setVisibility(View.GONE);
}
// colored marker
final int marker = log.type.markerId;
if (marker != 0) {
holder.marker.setVisibility(View.VISIBLE);
holder.marker.setImageResource(marker);
}
else {
holder.marker.setVisibility(View.GONE);
}
if (null == convertView) {
holder.author.setOnClickListener(createUserActionsListener());
holder.text.setMovementMethod(AnchorAwareLinkMovementMethod.getInstance());
holder.text.setOnClickListener(new DecryptTextClickListener(holder.text));
activity.registerForContextMenu(holder.text);
}
}
abstract protected UserActionsClickListener createUserActionsListener();
abstract protected String getGeocode();
abstract protected List<LogEntry> getLogs();
abstract protected void addHeaderView();
abstract protected void fillCountOrLocation(LogViewHolder holder, final LogEntry log);
abstract protected boolean isValid();
/** Loads the Log Images outside the UI thread. */
private class LogImageLoader extends AsyncTask<String, Progress, Spanned> {
final private LogViewHolder holder;
final private int position;
public LogImageLoader(final LogViewHolder holder) {
this.holder = holder;
this.position = holder.getPosition();
}
@Override
protected Spanned doInBackground(final String... logtext) {
return Html.fromHtml(logtext[0], new HtmlImage(getGeocode(), false, StoredList.STANDARD_LIST_ID, false), null); //, TextView.BufferType.SPANNABLE)
}
@Override
protected void onPostExecute(final Spanned result) {
// Ensure that this holder and its view still references the right item before updating the text.
if (position == holder.getPosition()) {
holder.text.setText(result);
}
}
}
}
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