cache reply message and subject on viewmodel

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicActivity.java

@@ -10,6 +10,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
+import android.text.Editable;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
@@ -273,9 +274,9 @@ public class TopicActivity extends BaseActivity implements TopicAdapter.OnPostFo
         } else if (viewModel.isWritingReply()) {
             // persist reply
             SharedPreferences drafts = getSharedPreferences(getString(R.string.pref_topic_drafts_key), MODE_PRIVATE);
-            TopicAdapter.QuickReplyViewHolder replyHolder = (TopicAdapter.QuickReplyViewHolder)
-                    recyclerView.findViewHolderForAdapterPosition(topicItems.size() - 1);
-            drafts.edit().putString(String.valueOf(viewModel.getTopicId()), replyHolder.replyEditor.getText().toString()).apply();
+            Editable cachedReply = viewModel.getCachedReply();
+            if (cachedReply != null)
+                drafts.edit().putString(String.valueOf(viewModel.getTopicId()), cachedReply.toString()).apply();
 
             topicItems.remove(topicItems.size() - 1);
             topicAdapter.notifyItemRemoved(topicItems.size());
@@ -316,9 +317,9 @@ public class TopicActivity extends BaseActivity implements TopicAdapter.OnPostFo
         // persist reply
         if (viewModel.isWritingReply()) {
             SharedPreferences drafts = getSharedPreferences(getString(R.string.pref_topic_drafts_key), MODE_PRIVATE);
-            TopicAdapter.QuickReplyViewHolder replyHolder = (TopicAdapter.QuickReplyViewHolder)
-                    recyclerView.findViewHolderForAdapterPosition(topicItems.size() - 1);
-            drafts.edit().putString(String.valueOf(viewModel.getTopicId()), replyHolder.replyEditor.getText().toString()).apply();
+            Editable cachedReply = viewModel.getCachedReply();
+            if (cachedReply != null)
+                drafts.edit().putString(String.valueOf(viewModel.getTopicId()), cachedReply.toString()).apply();
         }
     }
 
@@ -535,13 +536,11 @@ public class TopicActivity extends BaseActivity implements TopicAdapter.OnPostFo
                         break;
                     case NEW_REPLY_WHILE_POSTING:
                         Timber.i("New reply while writing a reply");
-                        TopicAdapter.QuickReplyViewHolder replyHolder = (TopicAdapter.QuickReplyViewHolder)
-                                recyclerView.findViewHolderForAdapterPosition(topicItems.size() - 1);
-                        String subject = replyHolder.quickReplySubject.getText().toString();
-                        String message = replyHolder.replyEditor.getText().toString();
+                        Editable subject = viewModel.getCachedSubject();
+                        Editable message = viewModel.getCachedReply();
                         Runnable addReply = () -> {
                             viewModel.setWritingReply(true);
-                            topicItems.add(Post.newQuickReply(subject, message));
+                            topicItems.add(Post.newQuickReply(subject.toString(), message.toString()));
                             topicAdapter.notifyItemInserted(topicItems.size());
                             recyclerView.scrollToPosition(topicItems.size() - 1);
                             replyFAB.hide();

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicAdapter.java

@@ -11,9 +11,11 @@ import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
+import android.text.Editable;
 import android.text.Html;
 import android.text.InputType;
 import android.text.TextUtils;
+import android.text.TextWatcher;
 import android.text.method.LinkMovementMethod;
 import android.util.DisplayMetrics;
 import android.view.LayoutInflater;
@@ -658,11 +660,43 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                 }
                 holder.replyEditor.setText(replyText);
                 holder.replyEditor.getEditText().setSelection(holder.replyEditor.getText().length());
+                holder.replyEditor.getEditText().addTextChangedListener(new TextWatcher() {
+                    @Override
+                    public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+                    }
+
+                    @Override
+                    public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+                    }
+
+                    @Override
+                    public void afterTextChanged(Editable editable) {
+                        viewModel.setCachedReply(editable);
+                    }
+                });
 
                 if (backPressHidden) {
                     holder.replyEditor.requestEditTextFocus();
                     backPressHidden = false;
                 }
+                holder.quickReplySubject.addTextChangedListener(new TextWatcher() {
+                    @Override
+                    public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+                    }
+
+                    @Override
+                    public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+                    }
+
+                    @Override
+                    public void afterTextChanged(Editable editable) {
+                        viewModel.setCachedSubject(editable);
+                    }
+                });
             } else if (currentHolder instanceof EditMessageViewHolder) {
                 final EditMessageViewHolder holder = (EditMessageViewHolder) currentHolder;
 

app/src/main/java/gr/thmmy/mthmmy/viewmodel/TopicViewModel.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.AsyncTask;
 import android.preference.PreferenceManager;
+import android.text.Editable;
 import android.widget.CheckBox;
 import android.widget.LinearLayout;
 import android.widget.RadioGroup;
@@ -40,6 +41,7 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
      */
     private boolean editingPost = false;
     private boolean writingReply = false;
+    private Editable cachedSubject, cachedReply;
     /**
      * A list of {@link Post#getPostIndex()} for building quotes for replying
      */
@@ -486,4 +488,20 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
             throw  new NullPointerException("No page has been loaded yet!");
         return topicItems.getValue().size();
     }
+
+    public Editable getCachedSubject() {
+        return cachedSubject;
+    }
+
+    public void setCachedSubject(Editable cachedSubject) {
+        this.cachedSubject = cachedSubject;
+    }
+
+    public Editable getCachedReply() {
+        return cachedReply;
+    }
+
+    public void setCachedReply(Editable cachedReply) {
+        this.cachedReply = cachedReply;
+    }
 }