<?php

/**
 * This file contains the iwp_field_sortorder class
 *
 * @version $Id$
 * 
 *
 * @package IWP
 * @subpackage IWP_FormFields
 */

/**
 * Sortorder Field Class
 * This class is used by the api form class to generate a sort order field
 *
 * @package IWP
 * @subpackage IWP_FormFields
 */

class iwp_field_sortorder extends iwp_field {
	/**
	 * This is the form field type of the field
	 *
	 * @var string
	 */
	public $type = 'sortorder';

	/**
	 * For holding whether the label should be shown for this field or not
	 *
	 * @var Boolean
	**/
	protected $showLabel = true;

	public $RequiredJs = array('../javascript/admin.field.sortorder.js');

	/**
	 * __construct
	 * The constructor which calls the parent constructor that sets up the field name if it is passed in during the initialization
	 *
	 * @var string
	 */
	public function __construct($name=null){
		parent::__construct($name);
	}

	/**
	 * GetFieldOutput
	 * Returns the HTML for this field. It generates the relevant parts, assigns them to template variables and returns a parse template file.
	 *
	 * @return string Returns the field HTML
	 */
	public function GetFieldOutput($setOnly=false){
		if(empty($this->FieldValue)){
			$this->FieldValue = 0;
		}
		$inputField = $this->Prepend.'<input type="text" id="'. iwp_htmlspecialchars($this->FieldName) .'" name="'. iwp_htmlspecialchars($this->FieldName) .'" value="'. iwp_htmlspecialchars($this->FieldValue) .'"';
		$inputField .= $this->GetAttributes();
		$highestNumber = (float)$this->db->FetchOne('select sortorder from ' . IWP_TABLE_CONTENT .' order by sortorder desc limit 1');
		$lowestNumber = (float)$this->db->FetchOne('select sortorder from ' . IWP_TABLE_CONTENT .' order by sortorder asc limit 1');

		$inputField .= ' style="width:30px;" class="Field" /> <a href="#" id="sortOrderFirstPosition">Set to First Position</a>
|
<a href="#" id="sortOrderLastPosition">Set to Last Position</a>
|
<a href="#" id="sortOrderResetPosition">Reset</a>'.$this->Append;
		$inputField .= '<script type="text/javascript">
		<!--
			$(document).ready(function() {
			SortOrderField.HighestNumber = '.($highestNumber+1).';
			SortOrderField.LowestNumber = '.($lowestNumber-1).';
			$("#sortOrderFirstPosition").bind("click", function(){ javascript:SortOrderField.GetSortOrder(\'lowest\'); return false; });
			$("#sortOrderLastPosition").bind("click", function(){ javascript:SortOrderField.GetSortOrder(\'highest\'); return false; });
			$("#sortOrderResetPosition").bind("click", function(){ javascript:SortOrderField.GetSortOrder(\'zero\'); return false; });
		});
		//-->
		</script>';

		parent::GetFieldOutput();

		$this->template->Assign('inputField', $inputField);
		$this->template->Assign('FieldName', $this->FieldName);

		if (!$setOnly) {
			return $this->template->ParseTemplate('form.field', true);
		}
		return '';
	}

	/**
	 * Validate
	 * This is the function that data for this field is passed to to ensure it was submitted properly.
	 *
	 * @return string|boolean If the data is not valid, it will return false, if it is valid it will return a value
	 */
	public function Validate($arrData){
		return $arrData[$this->FieldName];
	}


}