Simplified inserting template place holders

app/src/main/java/eu/faircode/email/FragmentAnswer.java

@@ -19,7 +19,6 @@ package eu.faircode.email;
     Copyright 2018-2021 by Marcel Bokhorst (M66B)
 */
 
-import android.app.Dialog;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
@@ -41,11 +40,9 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CheckBox;
 import android.widget.EditText;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.Group;
 import androidx.preference.PreferenceManager;
 
@@ -223,17 +220,52 @@ public class FragmentAnswer extends FragmentBase {
         super.onCreateOptionsMenu(menu, inflater);
     }
 
+    @Override
+    public void onPrepareOptionsMenu(@NonNull Menu menu) {
+        menu.findItem(R.id.menu_placeholder_firstname).setVisible(BuildConfig.DEBUG);
+        menu.findItem(R.id.menu_placeholder_lastname).setVisible(BuildConfig.DEBUG);
+        super.onPrepareOptionsMenu(menu);
+    }
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
-        if (item.getItemId() == R.id.menu_help) {
-            onMenuHelp();
+        int itemId = item.getItemId();
+        if (itemId == R.id.menu_placeholder_name) {
+            onMenuPlaceholder("$name$");
+            return true;
+        } else if (itemId == R.id.menu_placeholder_email) {
+            onMenuPlaceholder("$email$");
+            return true;
+        } else if (itemId == R.id.menu_placeholder_firstname) {
+            onMenuPlaceholder("$firstname$");
+            return true;
+        } else if (itemId == R.id.menu_placeholder_lastname) {
+            onMenuPlaceholder("$lastname$");
             return true;
         }
         return super.onOptionsItemSelected(item);
     }
 
-    private void onMenuHelp() {
-        new FragmentInfo().show(getParentFragmentManager(), "answer:info");
+    private void onMenuPlaceholder(String name) {
+        int start = etText.getSelectionStart();
+        int end = etText.getSelectionEnd();
+        if (start > end) {
+            int tmp = start;
+            start = end;
+            end = tmp;
+        }
+
+        if (start >= 0 && start < end)
+            etText.getText().replace(start, end, name);
+        else {
+            if (start < 0) {
+                start = etText.length() - 1;
+                if (start < 0)
+                    start = 0;
+            }
+
+            etText.getText().insert(start, name);
+        }
     }
 
     private void onInsertImage() {
@@ -470,28 +502,4 @@ public class FragmentAnswer extends FragmentBase {
         } else
             return StyleHelper.apply(action, getViewLifecycleOwner(), view.findViewById(action), etText);
     }
-
-    public static class FragmentInfo extends FragmentDialogBase {
-        @NonNull
-        @Override
-        public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
-            Spanned spanned = HtmlHelper.fromHtml("<p>" +
-                    getString(R.string.title_answer_template_name) +
-                    "<br>" +
-                    getString(R.string.title_answer_template_email) +
-                    "</p>", getContext());
-
-            View dview = LayoutInflater.from(getContext()).inflate(R.layout.dialog_ask_again, null);
-            TextView tvMessage = dview.findViewById(R.id.tvMessage);
-            CheckBox cbNotAgain = dview.findViewById(R.id.cbNotAgain);
-
-            tvMessage.setText(spanned);
-            cbNotAgain.setVisibility(View.GONE);
-
-            return new AlertDialog.Builder(getContext())
-                    .setView(dview)
-                    .setNegativeButton(android.R.string.cancel, null)
-                    .create();
-        }
-    }
 }

app/src/main/res/menu/menu_answer.xml

@@ -1,9 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:title="@string/title_answer_placeholder">
+        <menu>
             <item
-        android:id="@+id/menu_help"
-        android:icon="@drawable/twotone_help_24"
-        android:title=""
-        app:showAsAction="always" />
+                android:id="@+id/menu_placeholder_name"
+                android:title="@string/title_answer_placeholder_name" />
+            <item
+                android:id="@+id/menu_placeholder_email"
+                android:title="@string/title_answer_placeholder_email" />
+            <item
+                android:id="@+id/menu_placeholder_firstname"
+                android:title="@string/title_answer_placeholder_firstname" />
+            <item
+                android:id="@+id/menu_placeholder_lastname"
+                android:title="@string/title_answer_placeholder_lastname" />
+        </menu>
+    </item>
 </menu>

app/src/main/res/values/strings.xml

@@ -1194,8 +1194,11 @@
     <string name="title_answer_favorite">Favorite</string>
     <string name="title_answer_hide">Hide from menus</string>
     <string name="title_answer_text">Template text</string>
-    <string name="title_answer_template_name">$name$ will be replaced by the sender full name</string>
-    <string name="title_answer_template_email">$email$ will be replaced by the sender email address</string>
+    <string name="title_answer_placeholder">Placeholder</string>
+    <string name="title_answer_placeholder_name">Sender\'s full name</string>
+    <string name="title_answer_placeholder_email">Sender\'s email address</string>
+    <string name="title_answer_placeholder_firstname">Sender\'s first name</string>
+    <string name="title_answer_placeholder_lastname">Sender\'s last name</string>
 
     <string name="title_rule_noop">No action</string>
     <string name="title_rule_seen">Mark read</string>