TokenCompleteTextView.java 文件源码

@Override
protected void replaceText(CharSequence text) {
    clearComposingText();
    SpannableStringBuilder ssb = buildSpannableForText(text);
    TokenImageSpan tokenSpan = buildSpanForObject(selectedObject);

    Editable editable = getText();
    int end = getSelectionEnd();
    int start = tokenizer.findTokenStart(editable, end);
    if (start < prefix.length()) {
        start = prefix.length();
    }

    start = beforeReplacingText(editable,start,end);

    String original = TextUtils.substring(editable, start, end);

    if (editable != null) {
        if (tokenSpan == null) {
            editable.replace(start, end, " ");
        } else if (!allowDuplicates && objects.contains(tokenSpan.getToken())) {
            editable.replace(start, end, " ");
        } else {
            QwertyKeyListener.markAsReplaced(editable, start, end, original);
            editable.replace(start, end, ssb);
            editable.setSpan(tokenSpan, start, start + ssb.length() - 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
    }

    afterReplacingText(editable);
}