Add new adapter

app/src/main/java/org/mian/gitnex/adapters/DiffFilesAdapter.java

@@ -0,0 +1,121 @@
+package org.mian.gitnex.adapters;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import org.mian.gitnex.R;
+import org.mian.gitnex.activities.CommitDetailActivity;
+import org.mian.gitnex.activities.DiffActivity;
+import org.mian.gitnex.fragments.DiffFragment;
+import org.mian.gitnex.helpers.FileDiffView;
+import org.mian.gitnex.helpers.contexts.IssueContext;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author M M Arif
+ */
+
+public class DiffFilesAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+
+	private static final Pattern statisticsPattern = Pattern.compile("(\\d+).*?,.*?(\\d+)");
+
+	private final Context context;
+	private List<FileDiffView> fileDiffViews;
+	private final IssueContext issue;
+	private final String fragmentType;
+
+	public DiffFilesAdapter(Context context, List<FileDiffView> fileDiffViews, IssueContext issue, String fragmentType) {
+
+		this.context = context;
+		this.fileDiffViews = fileDiffViews;
+		this.issue = issue;
+		this.fragmentType = fragmentType;
+	}
+
+	@NonNull
+	@Override
+	public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+		LayoutInflater inflater = LayoutInflater.from(context);
+		return new DiffFilesAdapter.FilesHolder(inflater.inflate(R.layout.list_diff_files, parent, false));
+	}
+
+	@Override
+	public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+
+		((DiffFilesAdapter.FilesHolder) holder).bindData(fileDiffViews.get(position));
+	}
+
+	class FilesHolder extends RecyclerView.ViewHolder {
+
+		FileDiffView diffFilesObject;
+		TextView fileName;
+		TextView fileStatistics;
+		LinearLayout main_frame;
+
+		FilesHolder(View itemView) {
+
+			super(itemView);
+
+			fileName = itemView.findViewById(R.id.fileName);
+			fileStatistics = itemView.findViewById(R.id.fileStatistics);
+			main_frame = itemView.findViewById(R.id.main_frame);
+
+			main_frame.setOnClickListener(v -> {
+				if(fragmentType.equalsIgnoreCase("commit")){
+					((CommitDetailActivity) context).getSupportFragmentManager()
+						.beginTransaction()
+						.replace(R.id.fragment_container, DiffFragment.newInstance(diffFilesObject, fragmentType))
+						.commit();
+				}
+				else {
+					((DiffActivity) context).getSupportFragmentManager()
+						.beginTransaction()
+						.replace(R.id.fragment_container, DiffFragment.newInstance(diffFilesObject, issue))
+						.commit();
+				}
+
+			});
+		}
+
+		void bindData(FileDiffView fileDiffView) {
+
+			this.diffFilesObject = fileDiffView;
+			fileName.setText(fileDiffView.getFileName());
+
+			Matcher matcher = statisticsPattern.matcher(fileDiffView.getFileInfo());
+
+			if(matcher.find() && matcher.groupCount() == 2) {
+				fileStatistics.setText(context.getString(R.string.diffStatistics, matcher.group(1), matcher.group(2)));
+			} else {
+				fileStatistics.setText(fileDiffView.getFileInfo());
+			}
+		}
+	}
+
+	@Override
+	public int getItemViewType(int position) {
+		return position;
+	}
+
+	@Override
+	public int getItemCount() {
+		return fileDiffViews.size();
+	}
+
+	public void updateList(List<FileDiffView> list) {
+		fileDiffViews = list;
+	}
+
+	@SuppressLint("NotifyDataSetChanged")
+	public void notifyDataChanged() {
+		notifyDataSetChanged();
+	}
+}