Method clear

app/src/main/java/eu/faircode/email/StyleHelper.java:1404–1440

(EditText etBody, int start, int end, boolean select)

    }

    static boolean clear(EditText etBody, int start, int end, boolean select) {
        Log.breadcrumb("style", "action", "clear");

        int e = end;

        // Expand to paragraph (block quotes)
        Editable edit = etBody.getText();
        if (e + 1 < edit.length() && edit.charAt(e) == '\n')
            e++;

        for (Object span : edit.getSpans(start, e, Object.class)) {
            boolean has = false;
            for (Class<?> cls : CLEAR_STYLES)
                if (cls.isAssignableFrom(span.getClass())) {
                    has = true;
                    break;
                }
            if (!has)
                continue;

            int sstart = edit.getSpanStart(span);
            int send = edit.getSpanEnd(span);
            int flags = edit.getSpanFlags(span);

            if (sstart < start && send > start)
                setSpan(edit, span, sstart, start, flags, etBody.getContext());
            if (sstart < end && send > end)
                setSpan(edit, span, e, send, flags, etBody.getContext());

            edit.removeSpan(span);
        }

        etBody.setText(edit);
        etBody.setSelection(select ? start : end, end);

        return true;
    }

    static boolean clearAll(EditText etBody, int start, int end, boolean select) {
        Log.breadcrumb("style", "action", "clear/all");