app/src/main/java/net/ktnx/mobileledger/ui/TemplateDetailSourceSelectorRecyclerViewAdapter.java

   1 /*
   2  * Copyright © 2021 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * MoLe is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui;
  19
  20 import android.view.LayoutInflater;
  21 import android.view.ViewGroup;
  22
  23 import androidx.recyclerview.widget.ListAdapter;
  24 import androidx.recyclerview.widget.RecyclerView;
  25
  26 import net.ktnx.mobileledger.databinding.FragmentTemplateDetailSourceSelectorBinding;
  27 import net.ktnx.mobileledger.model.TemplateDetailSource;
  28
  29 import org.jetbrains.annotations.NotNull;
  30
  31 /**
  32  * {@link RecyclerView.Adapter} that can display a {@link TemplateDetailSource} and makes a call
  33  * to the
  34  * specified {@link OnSourceSelectedListener}.
  35  */
  36 public class TemplateDetailSourceSelectorRecyclerViewAdapter extends
  37         ListAdapter<TemplateDetailSource,
  38                 TemplateDetailSourceSelectorRecyclerViewAdapter.ViewHolder> {
  39
  40     private OnSourceSelectedListener sourceSelectedListener;
  41     public TemplateDetailSourceSelectorRecyclerViewAdapter() {
  42         super(TemplateDetailSource.DIFF_CALLBACK);
  43     }
  44     @NotNull
  45     @Override
  46     public ViewHolder onCreateViewHolder(@NotNull ViewGroup parent, int viewType) {
  47         FragmentTemplateDetailSourceSelectorBinding b =
  48                 FragmentTemplateDetailSourceSelectorBinding.inflate(
  49                         LayoutInflater.from(parent.getContext()), parent, false);
  50         return new ViewHolder(b);
  51     }
  52
  53     @Override
  54     public void onBindViewHolder(final ViewHolder holder, int position) {
  55         holder.bindTo(getItem(position));
  56     }
  57     public void setSourceSelectedListener(OnSourceSelectedListener listener) {
  58         this.sourceSelectedListener = listener;
  59     }
  60     public void resetSourceSelectedListener() {
  61         sourceSelectedListener = null;
  62     }
  63     public void notifySourceSelected(TemplateDetailSource item) {
  64         if (null != sourceSelectedListener)
  65             sourceSelectedListener.onSourceSelected(false, item.getGroupNumber());
  66     }
  67     public void notifyLiteralSelected() {
  68         if (null != sourceSelectedListener)
  69             sourceSelectedListener.onSourceSelected(true, (short) -1);
  70     }
  71     public class ViewHolder extends RecyclerView.ViewHolder {
  72         private final FragmentTemplateDetailSourceSelectorBinding b;
  73         private TemplateDetailSource mItem;
  74
  75         ViewHolder(FragmentTemplateDetailSourceSelectorBinding binding) {
  76             super(binding.getRoot());
  77             b = binding;
  78
  79             b.getRoot()
  80              .setOnClickListener(v -> notifySourceSelected(mItem));
  81         }
  82
  83         @NotNull
  84         @Override
  85         public String toString() {
  86             return super.toString() + " " + b.groupNumber.getText() + ": '" +
  87                    b.matchedText.getText() + "'";
  88         }
  89         void bindTo(TemplateDetailSource item) {
  90             mItem = item;
  91             b.groupNumber.setText(String.valueOf(item.getGroupNumber()));
  92             b.matchedText.setText(item.getMatchedText());
  93         }
  94     }
  95 }