ChipEditTextView.java 文件源码

private boolean commitChip(int start, int end, Editable editable) {
    ListAdapter adapter = getAdapter();
    if (adapter != null && adapter.getCount() > 0 && enoughToFilter()
            && end == getSelectionEnd()) {
        // choose the first entry.
        submitItemAtPosition(0);
        dismissDropDown();
        return true;
    } else {
        int tokenEnd = mTokenizer.findTokenEnd(editable, start);
        if (editable.length() > tokenEnd + 1) {
            char charAt = editable.charAt(tokenEnd + 1);
            if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) {
                tokenEnd++;
            }
        }
        String text = editable.toString().substring(start, tokenEnd).trim();
        clearComposingText();
        if (text != null && text.length() > 0 && !text.equals(" ")) {
            String entry = createTokenizedEntry(text);
            if (entry != null) {
                QwertyKeyListener.markAsReplaced(editable, start, end, "");
                CharSequence chipText = createChip(entry, false);
                if (chipText != null && start > -1 && end > -1) {
                    editable.replace(start, end, chipText);
                }
            }
            // Only dismiss the dropdown if it is related to the text we
            // just committed.
            // For paste, it may not be as there are possibly multiple
            // tokens being added.
            if (end == getSelectionEnd()) {
                dismissDropDown();
            }
            sanitizeBetween();
            return true;
        }
    }
    return false;
}