android.widget.TableLayout#indexOfChild ( )源码实例Demo

public CustomEditText setFocusToSpecific(CustomEditText customEditText) {
    TableRow tableRow = (TableRow) customEditText.getParent();
    TableLayout tableLayout = (TableLayout) tableRow.getParent();
    int indexOnTable = tableLayout.indexOfChild(tableRow);
    if (indexOnTable == 0) {
        //what if index is 0, get the previous on edittext
    }
    TableRow prevRow = (TableRow) tableLayout.getChildAt(indexOnTable - 1);
    if (prevRow != null) {
        CustomEditText editText = (CustomEditText) tableRow.findViewById(R.id.txtText);
        if (editText.requestFocus()) {
            editText.setSelection(editText.getText().length());
        }
        return editText;
    }
    return null;
}
 

@Override
public void onClick(View v) {
    //get index of the button as seen from the container
    TableRow row = (TableRow) v.getParent();
    TableLayout table = (TableLayout) row.getParent();
    int index = table.indexOfChild(row) * COLUMNS + row.indexOfChild(v);

    loadGameText(index);
}
 

public void validateAndRemoveLisNode(View view, EditorControl contentType) {
    /*
     *
     * If the person was on an active ul|li, move him to the previous node
     *
     */
    TableRow _row = (TableRow) view.getParent();
    TableLayout _table = (TableLayout) _row.getParent();
    int indexOnList = _table.indexOfChild(_row);
    _table.removeView(_row);
    if (indexOnList > 0) {
        /**
         * check if the index of the deleted row is <0, if so, move the focus to the previous li
         */
        TableRow focusrow = (TableRow) _table.getChildAt(indexOnList - 1);
        EditText text = (EditText) focusrow.findViewById(R.id.txtText);
        /**
         * Rearrange the nodes
         */
        if (contentType.Type == EditorType.OL_LI) {
            rearrangeColumns(_table);
        }
        if (text.requestFocus()) {
            text.setSelection(text.getText().length());
        }
    } else {
        /**
         * The removed row was first on the list. delete the list, and set the focus to previous element on the editor
         */
        editorCore.removeParent(_table);
    }
}
 

public int getIndexOnEditorByEditText(CustomEditText customEditText) {
    TableRow tableRow = (TableRow) customEditText.getParent();
    TableLayout tableLayout = (TableLayout) tableRow.getParent();
    int indexOnTable = tableLayout.indexOfChild(tableRow);
    return indexOnTable;
}