/ePHP/libraries/Html.class.php

<?php

 /**

 +------------------------------------------------------------------------------

 * Html???

 * html???????????

 +------------------------------------------------------------------------------

 * @version 3.0

 * @author WangXian

 * @email admin@loopx.cn

 * @package  libraries

 * @creation_date 2010-10-17

 * @last_modified 2010-12-25 19:02:12

 +------------------------------------------------------------------------------

 */



class Html

{

	/**

	 * html select??????

	 * ??str1 str1?????????selected ?????

	 * @param string $str1

	 * @param string $str2

	 */

	public static function selected($str1,$str2)

	{return $str1 == $str2 ? 'selected="selected"':'';}



	/**

	 * html checkbox??????

	 * ??str1 str1?????????selected ?????

	 * @param string $str1

	 * @param string $str2

	 */

	public static function checked($str1,$str2)

	{return $str1 == $str2 ? 'checked="checked"':'';}



	/**

	 * ??a?????????????

	 * @param string $uri '???/action'

	 * @param string $text '????'

	 * @return string

	 */

	public static function a($uri, $text='')

	{

		$text = ($text == '') ? $uri : $text;

		return '<a href="'. U($uri) .'" title="">'. $text .'</a>';

	}



	/**

	 * ??img?????

	 * @param string $pic ??url

	 * @param string $alt ??alt??

	 * @return string

	 */

	public static function img($pic, $alt='')

	{

		return '<img src="'. $pic .'" alt="'. $alt .'" />';

	}



	/**

	 * ??n?br??

	 * @param integer $repeat

	 * @return string

	 */

	public static function br($repeat = 1)

	{

		return str_repeat("<br />\n", $repeat);

	}



	/**

	 * ??n?html??

	 * @param integer $repeat

	 * @return string

	 */

	public static function nbsp($repeat = 1)

	{

		return str_repeat("&nbsp;", $repeat);

	}



	/**

	 * ??html????link

	 * ?????css?js?ico

	 * @param $source ??????

	 * @return string

	 */

	public static function link_tag($source)

	{

		$ext = strrchr($source, '.');

		if($ext == '.css')

			return "<link href=\"{$source}\" rel=\"stylesheet\" type=\"text/css\" />";

		else if($ext == '.js' )

			return '<script type="text/javascript" src="'. $source .'"></script>';

		else if($ext == '.ico' )

			return '<link href="'. $source .'" rel="shortcut icon" type="image/ico" />';

	}



	/**

	 * ??ul???html??

	 * @param array $data ??????

	 * @param array $attributes array('id'=>'', 'class'=>'')

	 * @return string

	 */

	public static function ul($data, $attributes=array())

	{

		if( ! is_array($data) ) return '';

		$attributes = $attributes + array('id'=>'', 'class'=>'');



		$str="<ul id=\"". $attributes['id'] ."\" class=\"". $attributes['class'] ."\">\n";

		foreach ($data as $k=>$v)

		{

			$str .= "\t<li>";

			$str .= is_array($v) ? $k.self::ul($v) : $v;

			$str .= "</li>\n";

		}

		$str .= "</ul>\n";

		return $str;

	}



	/**

	 * ??ol???html??

	 * @param array $data ?????????

	 * @param array $attributes array('id'=>'', 'class'=>'')

	 * @return string

	 */

	public static function ol($data, $attributes=array())

	{

		if( ! is_array($data) ) return '';

		$attributes = $attributes + array('id'=>'', 'class'=>'');



		$str="<ol id=\"". $attributes['id'] ."\" class=\"". $attributes['class'] ."\">\n";

		foreach ($data as $k=>$v)

		{

			$str .= "\t<li>";

			$str .= is_array($v) ? $k.self::ol($v) : $v;

			$str .= "</li>\n";

		}

		$str .= "</ol>\n";

		return $str;

	}



	/**

	 * ??html?table??

	 * @param array $data ???????

	 * @param array $title table??,????

	 * @param array $attributes

	 * @return string

	 */

	public static function table($data,$title=array(),$attributes=array())

	{

		// ???????

		if( is_string($data) ) return $data;

		else if( is_array($data) && ! is_array(reset($data)) ) return implode(' ', $data);



		$attributes = $attributes + array('id'=>'', 'class'=>'');



		$str="<table id=\"". $attributes['id'] ."\" class=\"". $attributes['class'] ."\">\n";



		//table th

		if(!empty($title))

		{

			$str .= "\t<tr>\n";

			foreach ($title as $v) $str .= "\t\t<th>{$v}</th>\n";

			$str .= "\t</tr>\n";

		}

		foreach ($data as $v1)

		{

			$str .= "\t<tr>\n";

			foreach ($v1 as $k2=>$v2)

			{

				//???????td?id

				if(is_numeric($k2)) $str .= "\t\t<td>";

				else $str .= "\t\t<td id=\"tb_{$k2}\">";

				$str .= is_array($v2) ? self::table($v2) : $v2;

				$str .= "</td>\n";

			}

			$str .= "\t</tr>\n";

		}

		$str .= "</table>\n";

		return $str;

	}



	/**

	 * ??form hidden??

	 * -

	 * @param mixed $name hidden???????????????

	 * @param string $value

	 */

	public static function form_hidden($name,$value='')

	{

		if(is_string($name))

			return '<input type="hidden" id="'. $name .'" name="'. $name .'" value="'. $value .'" />'."\n";

		elseif (is_array($name))

		{

			$hidden = '';

			foreach ($name as $k=>$v)

			{

				$hidden .= '<input type="hidden" id="'. $k .'" name="'. $k .'" value="'. $v .'" />'."\n";

			}

			return $hidden;

		}

		else return '';

	}



	/**

	 * ???

	 * Html::form_select(select?name?option????value?????|?????????,?????js?)

	 * @param string $name

	 * @param array $options

	 * @param mixed $selected

	 * @param string $extra

	 * @return string

	 */

	public static function form_select($name = '', $options = array(), $selected = array(), $extra = '')

	{

		if ( ! is_array($selected))

		{

			$selected = array($selected);

		}



		// If no selected state was submitted we will attempt to set it automatically

		if (count($selected) === 0)

		{

			// If the form name appears in the $_POST array we have a winner!

			if (isset($_POST[$name]))

			{

				$selected = array($_POST[$name]);

			}

		}



		if ($extra != '') $extra = ' '.$extra;



		$multiple = (count($selected) > 1 && strpos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : '';



		$form = '<select name="'.$name.'" id="'.$name.'"'. $extra.$multiple .">\n";



		foreach ($options as $key => $val)

		{

			$key = (string) $key;



			if (is_array($val))

			{

				$form .= '<optgroup label="'.$key.'">'."\n";



				foreach ($val as $optgroup_key => $optgroup_val)

				{

					$sel = (in_array($optgroup_key, $selected)) ? ' selected="selected"' : '';



					$form .= '<option value="'.$optgroup_key.'"'.$sel.'>'.(string) $optgroup_val."</option>\n";

				}



				$form .= '</optgroup>'."\n";

			}

			else

			{

				$sel = (in_array($key, $selected)) ? ' selected="selected"' : '';



				$form .= '<option value="'.$key.'"'.$sel.'>'.(string) $val."</option>\n";

			}

		}



		$form .= '</select>';



		return $form;

	}



	/**

	 * ??checkbox

	 * @param mixed $data

	 * @param mixed $value

	 * @param string $checked

	 * @param string $extra

	 * @return string

	 */

	public static function form_checkbox($data='', $value='', $checked=FALSE, $extra='')

	{

		$defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);



		if (is_array($data) && array_key_exists('checked', $data))

		{

			$checked = $data['checked'];



			if ($checked == FALSE)

			{

				unset($data['checked']);

			}

			else

			{

				$data['checked'] = 'checked';

			}

		}



		if ($checked == TRUE)

		{

			$defaults['checked'] = 'checked';

		}

		else

		{

			unset($defaults['checked']);

		}



		return "<input ".self::_parse_form_attributes($data, $defaults).$extra." />\n";

	}



	/**

	 * ??radio

	 * @param mixed $data

	 * @param mixed $value

	 * @param string $checked

	 * @param string $extra

	 * @return string

	 */

	public static function form_radio($data = '', $value = '', $checked = FALSE, $extra = '')

	{

		if ( ! is_array($data))

		{

			$data = array('name' => $data);

		}



		$data['type'] = 'radio';

		return self::form_checkbox($data, $value, $checked, $extra);

	}



	/**

	 * Parse the form attributes

	 * @ignore

	 * @param mixed $attributes

	 * @param mixed $default

	 * @return string

	 */

	private static function _parse_form_attributes($attributes, $default)

	{

		if (is_array($attributes))

		{

			foreach ($default as $key => $val)

			{

				if (isset($attributes[$key]))

				{

					$default[$key] = $attributes[$key];

					unset($attributes[$key]);

				}

			}



			if (count($attributes) > 0)

			{

				$default = array_merge($default, $attributes);

			}

		}



		$att = '';



		foreach ($default as $key => $val)

		{

			if ($key == 'value')

			{

				$val = self::form_prep($val, $default['name']);

			}



			$att .= $key . '="' . $val . '" ';

		}



		return $att;

	}



	/**

	 * ??????

	 * ??????????????HTML??(????)??????????

	 * @param string $str

	 * @param string $field_name

	 * @return string

	 */

	public static function form_prep($str = '', $field_name = '')

	{

		static $prepped_fields = array();



		// if the field name is an array we do this recursively

		if (is_array($str))

		{

			foreach ($str as $key => $val)

			{

				$str[$key] = self::form_prep($val);

			}



			return $str;

		}



		if ($str === '')

		{

			return '';

		}



		// we've already prepped a field with this name

		// @todo need to figure out a way to namespace this so

		// that we know the *exact* field and not just one with

		// the same name

		if (isset($prepped_fields[$field_name]))

		{

			return $str;

		}



		$str = htmlspecialchars($str);



		// In case htmlspecialchars misses these.

		$str = str_replace(array("'", '"'), array("&#39;", "&quot;"), $str);



		if ($field_name != '')

		{

			$prepped_fields[$field_name] = $str;

		}



		return $str;

	}

}

/* End of file Html.class.php */

/* Location: ./_framework/libraries/Html.class.php */