private void switchToListMode(String text) {
    mEditTextList.removeAllViews();
    String[] items = text.split("n");
    int index = 0;
    for (String item : items) {
        if(!TextUtils.isEmpty(item)) {
            mEditTextList.addView(getListItem(item, index));
            index++;
        }
    }
    mEditTextList.addView(getListItem("", index));
    mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();

    mNoteEditor.setVisibility(View.GONE);
    mEditTextList.setVisibility(View.VISIBLE);
}

private Spannable getHighlightQueryResult(String fullText, String userQuery) {
    SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
    if (!TextUtils.isEmpty(userQuery)) {
        mPattern = Pattern.compile(userQuery);
        Matcher m = mPattern.matcher(fullText);
        int start = 0;
        while (m.find(start)) {
            spannable.setSpan(
                    new BackgroundColorSpan(this.getResources().getColor(
                            R.color.user_query_highlight)), m.start(), m.end(),
                    Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
            start = m.end();
        }
    }
    return spannable;
}

private View getListItem(String item, int index) {
    View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
    final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
    edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
    CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
    cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked) {
                edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
            } else {
                edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
            }
        }
    });

    if (item.startsWith(TAG_CHECKED)) {
        cb.setChecked(true);
        edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
        item = item.substring(TAG_CHECKED.length(), item.length()).trim();
    } else if (item.startsWith(TAG_UNCHECKED)) {
        cb.setChecked(false);
        edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
        item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
    }

    edit.setOnTextViewChangeListener(this);
    edit.setIndex(index);
    edit.setText(getHighlightQueryResult(item, mUserQuery));
    return view;
}

public void onTextChange(int index, boolean hasText) {
    if (index >= mEditTextList.getChildCount()) {
        Log.e(TAG, "Wrong index, should not happen");
        return;
    }
    if(hasText) {
        mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
    } else {
        mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
    }
}

public void onCheckListModeChanged(int oldMode, int newMode) {
    if (newMode == TextNote.MODE_CHECK_LIST) {
        switchToListMode(mNoteEditor.getText().toString());
    } else {
        if (!getWorkingText()) {
            mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
                    ""));
        }
        mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
        mEditTextList.setVisibility(View.GONE);
        mNoteEditor.setVisibility(View.VISIBLE);
    }
}

private boolean getWorkingText() {
    boolean hasChecked = false;
    if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < mEditTextList.getChildCount(); i++) {
            View view = mEditTextList.getChildAt(i);
            NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
            if (!TextUtils.isEmpty(edit.getText())) {
                if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
                    sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("n");
                    hasChecked = true;
                } else {
                    sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("n");

                }
            }
        }
        mWorkingNote.setWorkingText(sb.toString());
    } else {
        mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
    }
    return hasChecked;
}

private boolean saveNote() {
    getWorkingText();
    boolean saved = mWorkingNote.saveNote();
    if (saved) {
        /**
         * There are two modes from List view to edit view, open one note,
         * create/edit a node. Opening node requires to the original
         * position in the list when back from edit view, while creating a
         * new node requires to the top of the list. This code
         * {@link #RESULT_OK} is used to identify the create/edit state
         */
        setResult(RESULT_OK);
    }
    return saved;
}