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package it.niedermann.owncloud.notes.model;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.GradientDrawable;
import android.os.Build;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.style.BackgroundColorSpan;
import android.text.style.ForegroundColorSpan;
import android.view.View;
import androidx.annotation.ColorInt;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.graphics.drawable.DrawableCompat;
import androidx.recyclerview.widget.RecyclerView;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import it.niedermann.owncloud.notes.R;
import it.niedermann.owncloud.notes.branding.BrandingUtil;
import it.niedermann.owncloud.notes.databinding.ItemNotesListNoteItemBinding;
import it.niedermann.owncloud.notes.util.Notes;
import static androidx.recyclerview.widget.RecyclerView.NO_POSITION;
import static it.niedermann.owncloud.notes.util.ColorUtil.contrastRatioIsSufficient;
import static it.niedermann.owncloud.notes.util.ColorUtil.isColorDark;
public class NoteViewHolder extends RecyclerView.ViewHolder implements View.OnLongClickListener, View.OnClickListener {
private final ItemNotesListNoteItemBinding binding;
private final NoteClickListener noteClickListener;
public NoteViewHolder(View v, NoteClickListener noteClickListener) {
super(v);
binding = ItemNotesListNoteItemBinding.bind(v);
this.noteClickListener = noteClickListener;
v.setOnClickListener(this);
v.setOnLongClickListener(this);
}
@Override
public void onClick(View v) {
final int adapterPosition = getAdapterPosition();
if (adapterPosition != NO_POSITION) {
noteClickListener.onNoteClick(adapterPosition, v);
}
}
@Override
public boolean onLongClick(View v) {
return noteClickListener.onNoteLongClick(getAdapterPosition(), v);
}
public void showSwipe(boolean left) {
binding.noteFavoriteLeft.setVisibility(left ? View.VISIBLE : View.INVISIBLE);
binding.noteDeleteRight.setVisibility(left ? View.INVISIBLE : View.VISIBLE);
binding.noteSwipeFrame.setBackgroundResource(left ? R.color.bg_warning : R.color.bg_attention);
}
public void bind(DBNote note, NoteClickListener noteClickListener, boolean showCategory, int mainColor, int textColor, @Nullable CharSequence searchQuery) {
@NonNull final Context context = itemView.getContext();
final boolean isDarkThemeActive = Notes.isDarkThemeActive(context);
binding.noteSwipeable.setAlpha(DBStatus.LOCAL_DELETED.equals(note.getStatus()) ? 0.5f : 1.0f);
binding.noteCategory.setVisibility(showCategory && !note.getCategory().isEmpty() ? View.VISIBLE : View.GONE);
binding.noteCategory.setText(note.getCategory());
@ColorInt int categoryForeground;
@ColorInt int categoryBackground;
if (isDarkThemeActive) {
if (isColorDark(mainColor)) {
if (contrastRatioIsSufficient(mainColor, Color.BLACK)) {
categoryBackground = mainColor;
categoryForeground = Color.WHITE;
} else {
categoryBackground = Color.WHITE;
categoryForeground = mainColor;
}
} else {
categoryBackground = mainColor;
categoryForeground = Color.BLACK;
}
} else {
categoryForeground = Color.BLACK;
if (isColorDark(mainColor) || contrastRatioIsSufficient(mainColor, Color.WHITE)) {
categoryBackground = mainColor;
} else {
categoryBackground = Color.BLACK;
}
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
DrawableCompat.setTint(binding.noteCategory.getBackground(), categoryBackground);
} else {
final GradientDrawable drawable = (GradientDrawable) binding.noteCategory.getBackground();
drawable.setStroke(1, categoryBackground);
drawable.setColor(isDarkThemeActive ? categoryBackground : Color.TRANSPARENT);
}
binding.noteCategory.setTextColor(categoryForeground);
binding.noteStatus.setVisibility(DBStatus.VOID.equals(note.getStatus()) ? View.INVISIBLE : View.VISIBLE);
binding.noteFavorite.setImageResource(note.isFavorite() ? R.drawable.ic_star_yellow_24dp : R.drawable.ic_star_grey_ccc_24dp);
binding.noteFavorite.setOnClickListener(view -> noteClickListener.onNoteFavoriteClick(getAdapterPosition(), view));
if (!TextUtils.isEmpty(searchQuery)) {
@ColorInt final int searchBackground = context.getResources().getColor(R.color.bg_highlighted);
@ColorInt final int searchForeground = BrandingUtil.getSecondaryForegroundColorDependingOnTheme(context, mainColor);
// The Pattern.quote method will add \Q to the very beginning of the string and \E to the end of the string
// It implies that the string between \Q and \E is a literal string and thus the reserved keyword in such string will be ignored.
// See https://stackoverflow.com/questions/15409296/what-is-the-use-of-pattern-quote-method
final Pattern pattern = Pattern.compile("(" + Pattern.quote(searchQuery.toString()) + ")", Pattern.CASE_INSENSITIVE);
SpannableString spannableString = new SpannableString(note.getTitle());
Matcher matcher = pattern.matcher(spannableString);
while (matcher.find()) {
spannableString.setSpan(new ForegroundColorSpan(searchForeground), matcher.start(), matcher.end(), 0);
spannableString.setSpan(new BackgroundColorSpan(searchBackground), matcher.start(), matcher.end(), 0);
}
binding.noteTitle.setText(spannableString);
spannableString = new SpannableString(note.getExcerpt());
matcher = pattern.matcher(spannableString);
while (matcher.find()) {
spannableString.setSpan(new ForegroundColorSpan(searchForeground), matcher.start(), matcher.end(), 0);
spannableString.setSpan(new BackgroundColorSpan(searchBackground), matcher.start(), matcher.end(), 0);
}
binding.noteExcerpt.setText(spannableString);
} else {
binding.noteTitle.setText(note.getTitle());
binding.noteExcerpt.setText(note.getExcerpt());
}
}
public View getNoteSwipeable() {
return binding.noteSwipeable;
}
}
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