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Navn : Fields.php


Sample code, tutorial

Sådan benyttes komponenten Fields klassen

Først skal du inkludere den fil der beskriver komponenten, som en klasse fil

  • <?
    require_once(HTML_PACKAGE_PATH.'/Fields.php');
    ?>

Dernæst kan du enten benytte komponenten som et taglib (statiske metoder):

  • <?
    Fields
    ::display($param1, $param2, $param3, ...);
    ?>

eller du kan lave en instance af komponenten og benytte metoderne direkte:

  • <?
    $object
    = new Fields($param1, $param2, $param3, ...);
    print
    $object->getHtml();
    ?>

Parent html

Sådan vises komponenten Fields klassen


PHP source code

Den fulde PHP kildekode for Fields klassen

<?
/**
* @package dto
* @see HTML_DTO_UTIL_PATH.'/Fields.php'
* @copyright (c) http://Finn-Rasmussen.com
* @license http://Finn-Rasmussen.com/license/ myPHP License conditions
* @author http://Finn-Rasmussen.com
* @version 1.10
* @since 22-feb-2007
*/

/**
* The required files
*/
if (defined('HTML_DB_COLUMNS_RESOURCE_PATH')) {
    require_once(
HTML_DB_COLUMNS_RESOURCE_PATH.'/Define.php');
}

/**
* The Fields is used to return the field attribute for a given key
* like i.e. a Field Len object
* The purpose of this clas is to simulate the meta information from a database
* <code>
* Usage:
*   $header = array(
*       'firstname'=>array('fieldName'=>'firstname', 'fieldLen'=>100, 'fieldType'=>'', 'fieldFlags'=>'', 'fieldTable'=>''),
*       'lastname'=>'array('fieldName'=>'lastname' , 'fieldLen'=>100, 'fieldType'=>'', 'fieldFlags'=>'', 'fieldTable'=>''),
*   );
*
*   $fields = new Fields();
*   $name = $fields->value($key, $header, $select);
* Or
*   $name = Fields::value($key, $header, $select);
* </code>
* @package dto
*/

class Fields {
    
/**
     * Constructor
     */
    
function Fields() {
    }
    
    
/**
     * The GLOBALS array $select contain the $key=>fieldValue
     * Get the Name of the field from the specified key
     * @param  String $key     The key to use, i.e. SELECT_PRICE
     * @param  array  $header  The header meta data i.e. custom meta data
     * @param  String $select  The select value to use, i.e. SELECT_FIELD_TYPE_BASKET
     * @return String The value of the field, i.e. FLOAT
     */
    
function value($key, $header='', $select='x') {
        
$value = ''; //$key;
        // Default value selected
        
if ($select!='') {
            if (
is_array($GLOBALS[$select]) && array_key_exists($key,$GLOBALS[$select])) {
                
$value = $GLOBALS[$select][$key];
            }
        } else {
            die(
"Fields::value(key, header, select) The select key must NOT be empty");
        }
        
// Is header array specified?
        
if ($header!='' && is_array($header)) {
            
$meta = '';
            if (
array_key_exists($key,$header)) {
                
$meta = $header[$key];
                if (
is_array($meta)&& array_key_exists($select,$meta)) {  
                    
$value = $meta[$select];
                } else {
                    
// Ignore
                    //$msg = "$key 2<br />\r\n";
                    // Message::add($msg,__FILE__,__LINE__);
                
}
            } else {
                
// Ignore
                //$msg = "$key 1<br />\r\n";
                // Message::add($msg,__FILE__,__LINE__);
            
}
        }
        return
$value;
    }
    
    
/**
     * Get the html code
     * @return String The html code
     */
    
function getHtml() {
        return
Fields::value('test','test','test');
    }
}
?>

HTML source code

Den fulde HTML kildekode for Fields klassen

<?

?>

Class methods

Her er 'klasse metoderne' for Fields klassen:

  • fields
  • value
  • gethtml

Object vars

Her er 'objekt variable' for Fields klassen:


 
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