Added select text block

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

@@ -71,6 +71,7 @@ import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.text.format.Time;
 import android.util.DisplayMetrics;
+import android.util.Pair;
 import android.util.TypedValue;
 import android.view.ActionMode;
 import android.view.KeyEvent;
@@ -2093,11 +2094,28 @@ public class Helper {
         return new ActionMode.Callback() {
             @Override
             public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+                try {
+                    int order = 1000;
+                    menu.add(Menu.CATEGORY_SECONDARY, R.string.title_select_block, order++,
+                            view.getContext().getString(R.string.title_select_block));
+                } catch (Throwable ex) {
+                    Log.e(ex);
+                }
                 return true;
             }
 
             @Override
             public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+                try {
+                    Pair<Integer, Integer> block = StyleHelper.getParagraph(view, true);
+                    boolean ablock = (block != null &&
+                            block.first == view.getSelectionStart() &&
+                            block.second == view.getSelectionEnd());
+                    menu.findItem(R.string.title_select_block).setVisible(!ablock);
+                } catch (Throwable ex) {
+                    Log.e(ex);
+                }
+
                 for (int i = 0; i < menu.size(); i++) {
                     MenuItem item = menu.getItem(i);
                     Intent intent = item.getIntent();
@@ -2158,6 +2176,18 @@ public class Helper {
 
             @Override
             public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+                if (item.getGroupId() == Menu.CATEGORY_SECONDARY)
+                    try {
+                        int id = item.getItemId();
+                        if (id == R.string.title_select_block) {
+                            Pair<Integer, Integer> block = StyleHelper.getParagraph(view, true);
+                            if (block != null)
+                                android.text.Selection.setSelection((Spannable) view.getText(), block.first, block.second);
+                            return true;
+                        }
+                    } catch (Throwable ex) {
+                        Log.e(ex);
+                    }
                 return false;
             }
 

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

@@ -52,6 +52,7 @@ import android.view.MenuItem;
 import android.view.SubMenu;
 import android.view.View;
 import android.widget.EditText;
+import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.widget.PopupMenu;
@@ -889,14 +890,14 @@ public class StyleHelper {
         return new Pair<>(start, end);
     }
 
-    public static Pair<Integer, Integer> getParagraph(EditText etBody) {
+    public static Pair<Integer, Integer> getParagraph(TextView tvBody) {
-        return getParagraph(etBody, false);
+        return getParagraph(tvBody, false);
     }
 
-    public static Pair<Integer, Integer> getParagraph(EditText etBody, boolean block) {
+    public static Pair<Integer, Integer> getParagraph(TextView tvBody, boolean block) {
-        int start = etBody.getSelectionStart();
+        int start = tvBody.getSelectionStart();
-        int end = etBody.getSelectionEnd();
+        int end = tvBody.getSelectionEnd();
-        Editable edit = etBody.getText();
+        Spannable edit = (Spannable) tvBody.getText();
 
         if (start < 0 || end < 0)
             return null;

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

@@ -1946,6 +1946,7 @@
     <string name="title_undo">Undo</string>
     <string name="title_redo">Redo</string>
     <string name="title_insert_line">Insert line</string>
+    <string name="title_select_block">Select block</string>
     <string name="title_add">Add</string>
     <string name="title_browse">Open with</string>
     <string name="title_info">Info</string>