469 lines
11 KiB
PHP
469 lines
11 KiB
PHP
![]() |
<?php defined('SYSPATH') OR die('No direct access allowed.');
|
||
|
/**
|
||
|
* Form helper class.
|
||
|
*
|
||
|
* $Id: form.php 4699 2009-12-08 18:45:14Z isaiah $
|
||
|
*
|
||
|
* @package Core
|
||
|
* @author Kohana Team
|
||
|
* @copyright (c) 2007-2009 Kohana Team
|
||
|
* @license http://kohanaphp.com/license
|
||
|
*/
|
||
|
class form_Core {
|
||
|
|
||
|
/**
|
||
|
* Generates an opening HTML form tag.
|
||
|
*
|
||
|
* @param string form action attribute
|
||
|
* @param array extra attributes
|
||
|
* @param array hidden fields to be created immediately after the form tag
|
||
|
* @param string non-default protocol, eg: https
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function open($action = NULL, $attr = array(), $hidden = NULL, $protocol = NULL)
|
||
|
{
|
||
|
// Make sure that the method is always set
|
||
|
empty($attr['method']) and $attr['method'] = 'post';
|
||
|
|
||
|
if ($attr['method'] !== 'post' AND $attr['method'] !== 'get')
|
||
|
{
|
||
|
// If the method is invalid, use post
|
||
|
$attr['method'] = 'post';
|
||
|
}
|
||
|
|
||
|
if ($action === NULL)
|
||
|
{
|
||
|
// Use the current URL as the default action
|
||
|
$action = url::site(Router::$complete_uri, $protocol);
|
||
|
}
|
||
|
elseif (strpos($action, '://') === FALSE)
|
||
|
{
|
||
|
// Make the action URI into a URL
|
||
|
$action = url::site($action, $protocol);
|
||
|
}
|
||
|
|
||
|
// Set action
|
||
|
$attr['action'] = $action;
|
||
|
|
||
|
// Form opening tag
|
||
|
$form = '<form'.form::attributes($attr).'>'."\n";
|
||
|
|
||
|
// Add hidden fields immediate after opening tag
|
||
|
empty($hidden) or $form .= form::hidden($hidden);
|
||
|
|
||
|
return $form;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Generates an opening HTML form tag that can be used for uploading files.
|
||
|
*
|
||
|
* @param string form action attribute
|
||
|
* @param array extra attributes
|
||
|
* @param array hidden fields to be created immediately after the form tag
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function open_multipart($action = NULL, $attr = array(), $hidden = array())
|
||
|
{
|
||
|
// Set multi-part form type
|
||
|
$attr['enctype'] = 'multipart/form-data';
|
||
|
|
||
|
return form::open($action, $attr, $hidden);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates a HTML form hidden input tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function hidden($data, $value = '', $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
$data['type'] = 'hidden';
|
||
|
|
||
|
return form::input($data, $value, $extra);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form input tag. Defaults to a text type.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function input($data, $value = '', $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
// Type and value are required attributes
|
||
|
$data += array
|
||
|
(
|
||
|
'type' => 'text',
|
||
|
'value' => $value
|
||
|
);
|
||
|
|
||
|
return '<input'.form::attributes($data).' '.$extra.' />';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates a HTML form password input tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function password($data, $value = '', $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
$data['type'] = 'password';
|
||
|
|
||
|
return form::input($data, $value, $extra);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form upload input tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function upload($data, $value = '', $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
$data['type'] = 'file';
|
||
|
|
||
|
return form::input($data, $value, $extra);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form textarea tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @param boolean encode existing entities
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function textarea($data, $value = '', $extra = '', $double_encode = TRUE)
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
if ( ! isset($data['rows']))
|
||
|
{
|
||
|
$data['rows'] = '';
|
||
|
}
|
||
|
|
||
|
if ( ! isset($data['cols']))
|
||
|
{
|
||
|
$data['cols'] = '';
|
||
|
}
|
||
|
|
||
|
// Use the value from $data if possible, or use $value
|
||
|
$value = isset($data['value']) ? $data['value'] : $value;
|
||
|
|
||
|
// Value is not part of the attributes
|
||
|
unset($data['value']);
|
||
|
|
||
|
return '<textarea'.form::attributes($data, 'textarea').' '.$extra.'>'.htmlspecialchars($value, ENT_QUOTES, Kohana::CHARSET, $double_encode).'</textarea>';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form select tag, or "dropdown menu".
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param array select options, when using a name
|
||
|
* @param string|array option key(s) that should be selected by default
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function dropdown($data, $options = NULL, $selected = NULL, $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if (isset($data['options']))
|
||
|
{
|
||
|
// Use data options
|
||
|
$options = $data['options'];
|
||
|
}
|
||
|
|
||
|
if (isset($data['selected']))
|
||
|
{
|
||
|
// Use data selected
|
||
|
$selected = $data['selected'];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (is_array($selected))
|
||
|
{
|
||
|
// Multi-select box
|
||
|
$data['multiple'] = 'multiple';
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Single selection (but converted to an array)
|
||
|
$selected = array($selected);
|
||
|
}
|
||
|
|
||
|
$input = '<select'.form::attributes($data, 'select').' '.$extra.'>'."\n";
|
||
|
foreach ((array) $options as $key => $val)
|
||
|
{
|
||
|
// Key should always be a string
|
||
|
$key = (string) $key;
|
||
|
|
||
|
if (is_array($val))
|
||
|
{
|
||
|
$input .= '<optgroup label="'.$key.'">'."\n";
|
||
|
foreach ($val as $inner_key => $inner_val)
|
||
|
{
|
||
|
// Inner key should always be a string
|
||
|
$inner_key = (string) $inner_key;
|
||
|
|
||
|
$sel = in_array($inner_key, $selected) ? ' selected="selected"' : '';
|
||
|
$input .= '<option value="'.$inner_key.'"'.$sel.'>'.htmlspecialchars($inner_val, ENT_QUOTES, Kohana::CHARSET).'</option>'."\n";
|
||
|
}
|
||
|
$input .= '</optgroup>'."\n";
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
$sel = in_array($key, $selected) ? ' selected="selected"' : '';
|
||
|
$input .= '<option value="'.$key.'"'.$sel.'>'.htmlspecialchars($val, ENT_QUOTES, Kohana::CHARSET).'</option>'."\n";
|
||
|
}
|
||
|
}
|
||
|
$input .= '</select>';
|
||
|
|
||
|
return $input;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form checkbox input tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param boolean make the checkbox checked by default
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function checkbox($data, $value = '', $checked = FALSE, $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
$data['type'] = 'checkbox';
|
||
|
|
||
|
if ($checked == TRUE OR (isset($data['checked']) AND $data['checked'] == TRUE))
|
||
|
{
|
||
|
$data['checked'] = 'checked';
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
unset($data['checked']);
|
||
|
}
|
||
|
|
||
|
return form::input($data, $value, $extra);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form radio input tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param boolean make the radio selected by default
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function radio($data = '', $value = '', $checked = FALSE, $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
$data['type'] = 'radio';
|
||
|
|
||
|
if ($checked == TRUE OR (isset($data['checked']) AND $data['checked'] == TRUE))
|
||
|
{
|
||
|
$data['checked'] = 'checked';
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
unset($data['checked']);
|
||
|
}
|
||
|
|
||
|
return form::input($data, $value, $extra);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form submit input tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function submit($data = '', $value = '', $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
if (empty($data['name']))
|
||
|
{
|
||
|
// Remove the name if it is empty
|
||
|
unset($data['name']);
|
||
|
}
|
||
|
|
||
|
$data['type'] = 'submit';
|
||
|
|
||
|
return form::input($data, $value, $extra);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form button input tag.
|
||
|
*
|
||
|
* @param string|array input name or an array of HTML attributes
|
||
|
* @param string input value, when using a name
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function button($data = '', $value = '', $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
$data = array('name' => $data);
|
||
|
}
|
||
|
|
||
|
if (empty($data['name']))
|
||
|
{
|
||
|
// Remove the name if it is empty
|
||
|
unset($data['name']);
|
||
|
}
|
||
|
|
||
|
if (isset($data['value']) AND empty($value))
|
||
|
{
|
||
|
$value = arr::remove('value', $data);
|
||
|
}
|
||
|
|
||
|
return '<button'.form::attributes($data, 'button').' '.$extra.'>'.$value.'</button>';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an HTML form label tag.
|
||
|
*
|
||
|
* @param string|array label "for" name or an array of HTML attributes
|
||
|
* @param string label text or HTML
|
||
|
* @param string a string to be attached to the end of the attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function label($data = '', $text = NULL, $extra = '')
|
||
|
{
|
||
|
if ( ! is_array($data))
|
||
|
{
|
||
|
if (is_string($data))
|
||
|
{
|
||
|
// Specify the input this label is for
|
||
|
$data = array('for' => $data);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// No input specified
|
||
|
$data = array();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ($text === NULL AND isset($data['for']))
|
||
|
{
|
||
|
// Make the text the human-readable input name
|
||
|
$text = ucwords(inflector::humanize($data['for']));
|
||
|
}
|
||
|
|
||
|
return '<label'.form::attributes($data).' '.$extra.'>'.$text.'</label>';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Sorts a key/value array of HTML attributes, putting form attributes first,
|
||
|
* and returns an attribute string.
|
||
|
*
|
||
|
* @param array HTML attributes array
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function attributes($attr, $type = NULL)
|
||
|
{
|
||
|
if (empty($attr))
|
||
|
return '';
|
||
|
|
||
|
$order = array
|
||
|
(
|
||
|
'action',
|
||
|
'method',
|
||
|
'type',
|
||
|
'id',
|
||
|
'name',
|
||
|
'value',
|
||
|
'src',
|
||
|
'size',
|
||
|
'maxlength',
|
||
|
'rows',
|
||
|
'cols',
|
||
|
'accept',
|
||
|
'tabindex',
|
||
|
'accesskey',
|
||
|
'align',
|
||
|
'alt',
|
||
|
'title',
|
||
|
'class',
|
||
|
'style',
|
||
|
'selected',
|
||
|
'checked',
|
||
|
'readonly',
|
||
|
'disabled'
|
||
|
);
|
||
|
|
||
|
$sorted = array();
|
||
|
foreach ($order as $key)
|
||
|
{
|
||
|
if (isset($attr[$key]))
|
||
|
{
|
||
|
// Move the attribute to the sorted array
|
||
|
$sorted[$key] = $attr[$key];
|
||
|
|
||
|
// Remove the attribute from unsorted array
|
||
|
unset($attr[$key]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Combine the sorted and unsorted attributes and create an HTML string
|
||
|
return html::attributes(array_merge($sorted, $attr));
|
||
|
}
|
||
|
|
||
|
} // End form
|