<?php
/**
 *  Base include file for SimpleTest.
 * @version    $Id$
 */

/**#@+
 * include SimpleTest files
 */
require_once dirname(__FILE__) . '/tag.php';
require_once dirname(__FILE__) . '/encoding.php';
/**#@-*/

/**
 *    Used to extract form elements for testing against.
 *    Searches by name attribute.
 */
class SimpleByName
{
    private $name;

    /**
     *    Stashes the name for later comparison.
     * @param string $name Name attribute to match.
     */
    public function __construct($name)
    {
        $this->name = $name;
    }

    /**
     *  Accessor for name.
     * @returns string $name       Name to match.
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     *    Compares with name attribute of widget.
     * @param SimpleWidget $widget Control to compare.
     */
    public function isMatch($widget)
    {
        return ($widget->getName() == $this->name);
    }
}

/**
 *    Used to extract form elements for testing against.
 *    Searches by visible label or alt text.
 */
class SimpleByLabel
{
    private $label;

    /**
     *    Stashes the name for later comparison.
     * @param string $label Visible text to match.
     */
    public function __construct($label)
    {
        $this->label = $label;
    }

    /**
     *    Comparison. Compares visible text of widget or
     *    related label.
     * @param SimpleWidget $widget Control to compare.
     */
    public function isMatch($widget)
    {
        if (!method_exists($widget, 'isLabel')) {
            return false;
        }
        return $widget->isLabel($this->label);
    }
}

/**
 *    Used to extract form elements for testing against.
 *    Searches dy id attribute.
 */
class SimpleById
{
    private $id;

    /**
     *    Stashes the name for later comparison.
     * @param string $id ID atribute to match.
     */
    public function __construct($id)
    {
        $this->id = $id;
    }

    /**
     *    Comparison. Compares id attribute of widget.
     * @param SimpleWidget $widget Control to compare.
     */
    public function isMatch($widget)
    {
        return $widget->isId($this->id);
    }
}

/**
 *    Used to extract form elements for testing against.
 *    Searches by visible label, name or alt text.
 */
class SimpleByLabelOrName
{
    private $label;

    /**
     *    Stashes the name/label for later comparison.
     * @param string $label Visible text to match.
     */
    public function __construct($label)
    {
        $this->label = $label;
    }

    /**
     *    Comparison. Compares visible text of widget or
     *    related label or name.
     * @param SimpleWidget $widget Control to compare.
     */
    public function isMatch($widget)
    {
        if (method_exists($widget, 'isLabel')) {
            if ($widget->isLabel($this->label)) {
                return true;
            }
        }
        return ($widget->getName() == $this->label);
    }
}