Added paste as plain text

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

@@ -34,6 +34,7 @@ import android.os.Parcelable;
 import android.text.Editable;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
+import android.text.TextUtils;
 import android.text.style.QuoteSpan;
 import android.text.style.StyleSpan;
 import android.util.AttributeSet;
@@ -110,6 +111,8 @@ public class EditTextCompose extends FixedEditText {
                 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
                     try {
                         int order = 1000;
+                        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O)
+                            menu.add(Menu.CATEGORY_SECONDARY, android.R.id.pasteAsPlainText, order++, getTitle(R.string.title_paste_plain));
                         if (undo_manager && can(android.R.id.undo))
                             menu.add(Menu.CATEGORY_SECONDARY, R.string.title_undo, order++, getTitle(R.string.title_undo));
                         if (undo_manager && can(android.R.id.redo))
@@ -142,7 +145,9 @@ public class EditTextCompose extends FixedEditText {
                 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
                     if (item.getGroupId() == Menu.CATEGORY_SECONDARY) {
                         int id = item.getItemId();
-                        if (id == R.string.title_undo)
+                        if (id == android.R.id.pasteAsPlainText)
+                            return insertPlain();
+                        else if (id == R.string.title_undo)
                             return EditTextCompose.super.onTextContextMenuItem(android.R.id.undo);
                         else if (id == R.string.title_redo)
                             return EditTextCompose.super.onTextContextMenuItem(android.R.id.redo);
@@ -163,6 +168,31 @@ public class EditTextCompose extends FixedEditText {
                     // Do nothing
                 }
 
+                private boolean insertPlain() {
+                    ClipboardManager cbm = Helper.getSystemService(context, ClipboardManager.class);
+                    if (!cbm.hasPrimaryClip())
+                        return true;
+
+                    ClipData clip = cbm.getPrimaryClip();
+                    if (clip == null || clip.getItemCount() < 1)
+                        return true;
+
+                    ClipData.Item item = clip.getItemAt(0);
+                    if (item == null)
+                        return true;
+
+                    CharSequence text = item.getText();
+                    if (TextUtils.isEmpty(text))
+                        return true;
+
+                    int start = getSelectionStart();
+                    if (start < 0)
+                        start = 0;
+                    getText().insert(start, text.toString());
+
+                    return true;
+                }
+
                 private boolean insertLine() {
                     try {
                         int start = getSelectionStart();

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

@@ -1876,6 +1876,7 @@
     <string name="title_yes">Yes</string>
     <string name="title_no">No</string>
     <string name="title_later">Later</string>
+    <string name="title_paste_plain">Paste as plain text</string>
     <string name="title_undo">Undo</string>
     <string name="title_redo">Redo</string>
     <string name="title_insert_line">Insert line</string>