<?php

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

/**
 * Date Field Class
 * This class is used by the api form class to generate a field with a date picker.
 *
 * @package IWP
 * @subpackage IWP_FormFields
 */

class iwp_field_date extends iwp_field {
	/**
	 * This is the form field type of the field
	 *
	 * @var string
	 */
	public $type = 'date';
	protected $showLabel = false;

	/**
	 * This is an array of required javascript files needed by this field
	 *
	 * @var array
	 */
	public $RequiredJs = array('../javascript/date.js', array('../javascript/jquery.bgiframe.js', 'IE'), '../javascript/jquery.datePicker.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){
		$inputField = $this->Prepend.'<input type="text" class="Field100 date-pick-'. iwp_htmlspecialchars($this->FieldName) .'" id="'. iwp_htmlspecialchars($this->FieldName) .'" name="'. iwp_htmlspecialchars($this->FieldName) .'" value="'. iwp_htmlspecialchars($this->FieldValue) .'"';
		$inputField .= $this->GetAttributes();
		$inputField .= ' />'.$this->Append;
		$inputField .= '<script type="text/javascript">
						$(document).ready(function() {
							if($(\'.date-pick-'.$this->FieldName.'\').exists()){';

		$american = iwp_settings::IsAmericanDateFormat(iwp_getShortDateFormat());
		if ($american) {
			$inputField .= "Date.format = 'mm/dd/yyyy';\n";
		}

		if(iwp_validation::IsBlank($this->FieldValue)){
			$inputField .= '$(\'.date-pick-'.$this->FieldName.'\').datePicker({clickInput:true, startDate:\'01/01/1971\', verticalOffset: $(\'#'. $this->FieldName .'\').outerHeight()}).val(new Date().asString()).trigger(\'change\');';
		}else{
			$inputField .= '$(\'.date-pick-'.$this->FieldName.'\').datePicker({clickInput:true, startDate:\'01/01/1971\', verticalOffset: $(\'#'. $this->FieldName .'\').outerHeight()}).trigger(\'change\');';
		}

		$inputField .= '							}
						});
						</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){
		// @todo this doesn't appear to be used - when set to always return false, forms with dates validate ok
		return $arrData[$this->FieldName];
	}

}