diff options
Diffstat (limited to 'system/helpers/form_helper.php')
| -rw-r--r-- | system/helpers/form_helper.php | 524 |
1 files changed, 523 insertions, 1 deletions
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php index a23d4c6d2..e591eb74c 100644 --- a/system/helpers/form_helper.php +++ b/system/helpers/form_helper.php @@ -1 +1,523 @@ -<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license http://www.codeigniter.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Form Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/helpers/form_helper.html
*/
// ------------------------------------------------------------------------
/**
* Form Declaration
*
* Creates the opening portion of the form.
*
* @access public
* @param string the URI segments of the form destination
* @param array a key/value pair of attributes
* @param array a key/value pair hidden data
* @return string
*/
function form_open($action = '', $attributes = array(), $hidden = array())
{
$CI =& get_instance();
$form = '<form action="'.$CI->config->site_url($action).'"';
if ( ! isset($attributes['method']))
{
$form .= ' method="post"';
}
if (is_array($attributes) AND count($attributes) > 0)
{
foreach ($attributes as $key => $val)
{
$form .= ' '.$key.'="'.$val.'"';
}
}
$form .= '>';
if (is_array($hidden) AND count($hidden > 0))
{
$form .= form_hidden($hidden);
}
return $form;
}
// ------------------------------------------------------------------------
/**
* Form Declaration - Multipart type
*
* Creates the opening portion of the form, but with "multipart/form-data".
*
* @access public
* @param string the URI segments of the form destination
* @param array a key/value pair of attributes
* @param array a key/value pair hidden data
* @return string
*/
function form_open_multipart($action, $attributes = array(), $hidden = array())
{
$attributes['enctype'] = 'multipart/form-data';
return form_open($action, $attributes, $hidden);
}
// ------------------------------------------------------------------------
/**
* Hidden Input Field
*
* Generates hidden fields. You can pass a simple key/value string or an associative
* array with multiple values.
*
* @access public
* @param mixed
* @param string
* @return string
*/
function form_hidden($name, $value = '')
{
if ( ! is_array($name))
{
return '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
}
$form = '';
foreach ($name as $name => $value)
{
$form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
}
return $form;
}
// ------------------------------------------------------------------------
/**
* Text Input Field
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
function form_input($data = '', $value = '', $extra = '')
{
$defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value, 'maxlength' => '500', 'size' => '50');
return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
}
// ------------------------------------------------------------------------
/**
* Password Field
*
* Identical to the input function but adds the "password" type
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
function form_password($data = '', $value = '', $extra = '')
{
if ( ! is_array($data))
{
$data = array('name' => $data);
}
$data['type'] = 'password';
return form_input($data, $value, $extra);
}
// ------------------------------------------------------------------------
/**
* Upload Field
*
* Identical to the input function but adds the "file" type
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
function form_upload($data = '', $value = '', $extra = '')
{
if ( ! is_array($data))
{
$data = array('name' => $data);
}
$data['type'] = 'file';
return form_input($data, $value, $extra);
}
// ------------------------------------------------------------------------
/**
* Textarea field
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
function form_textarea($data = '', $value = '', $extra = '')
{
$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');
if ( ! is_array($data) OR ! isset($data['value']))
{
$val = $value;
}
else
{
$val = $data['value'];
unset($data['value']); // textareas don't use the value attribute
}
return "<textarea ".parse_form_attributes($data, $defaults).$extra.">".$val."</textarea>\n";
}
// ------------------------------------------------------------------------
/**
* Drop-down Menu
*
* @access public
* @param string
* @param array
* @param string
* @param string
* @return string
*/
function form_dropdown($name = '', $options = array(), $selected = '', $extra = '')
{
if ($extra != '') $extra = ' '.$extra;
$form = '<select name="'.$name.'"'.$extra.">\n";
foreach ($options as $key => $val)
{
$key = (string) $key;
$val = (string) $val;
$sel = ($selected != $key) ? '' : ' selected="selected"';
$form .= '<option value="'.$key.'"'.$sel.'>'.$val."</option>\n";
}
$form .= '</select>';
return $form;
}
// ------------------------------------------------------------------------
/**
* Checkbox Field
*
* @access public
* @param mixed
* @param string
* @param bool
* @param string
* @return string
*/
function form_checkbox($data = '', $value = '', $checked = TRUE, $extra = '')
{
$defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
if (is_array($data) AND 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 ".parse_form_attributes($data, $defaults).$extra." />\n";
}
// ------------------------------------------------------------------------
/**
* Radio Button
*
* @access public
* @param mixed
* @param string
* @param bool
* @param string
* @return string
*/
function form_radio($data = '', $value = '', $checked = TRUE, $extra = '')
{
if ( ! is_array($data))
{
$data = array('name' => $data);
}
$data['type'] = 'radio';
return form_checkbox($data, $value, $checked, $extra);
}
// ------------------------------------------------------------------------
/**
* Submit Button
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
function form_submit($data = '', $value = '', $extra = '')
{
$defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
}
// ------------------------------------------------------------------------
/**
* Reset Button
*
* @access public
* @param mixed
* @param string
* @param string
* @return string
*/
function form_reset($data = '', $value = '', $extra = '')
{
$defaults = array('type' => 'reset', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
}
// ------------------------------------------------------------------------
/**
* Form Close Tag
*
* @access public
* @param string
* @return string
*/
function form_close($extra = '')
{
return "</form>\n".$extra;
}
// ------------------------------------------------------------------------
/**
* Form Prep
*
* Formats text so that it can be safely placed in a form field in the event it has HTML tags.
*
* @access public
* @param string
* @return string
*/
function form_prep($str = '')
{
if ($str === '')
{
return '';
}
$temp = '__TEMP_AMPERSANDS__';
// Replace entities to temporary markers so that
// htmlspecialchars won't mess them up
$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
$str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
$str = htmlspecialchars($str);
// In case htmlspecialchars misses these.
$str = str_replace(array("'", '"'), array("'", """), $str);
// Decode the temp markers back to entities
$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
$str = preg_replace("/$temp(\w+);/","&\\1;",$str);
return $str;
}
// ------------------------------------------------------------------------
/**
* Parse the form attributes
*
* Helper function used by some of the form helpers
*
* @access private
* @param array
* @param array
* @return string
*/
function parse_form_attributes($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')
{
$val = form_prep($val);
}
$att .= $key . '="' . $val . '" ';
}
return $att;
}
?>
\ No newline at end of file +<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, EllisLab, Inc.
+ * @license http://www.codeigniter.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Form Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/form_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Declaration
+ *
+ * Creates the opening portion of the form.
+ *
+ * @access public
+ * @param string the URI segments of the form destination
+ * @param array a key/value pair of attributes
+ * @param array a key/value pair hidden data
+ * @return string
+ */
+function form_open($action = '', $attributes = array(), $hidden = array())
+{
+ $CI =& get_instance();
+
+ $form = '<form action="'.$CI->config->site_url($action).'"';
+
+ if ( ! isset($attributes['method']))
+ {
+ $form .= ' method="post"';
+ }
+
+ if (is_array($attributes) AND count($attributes) > 0)
+ {
+ foreach ($attributes as $key => $val)
+ {
+ $form .= ' '.$key.'="'.$val.'"';
+ }
+ }
+
+ $form .= '>';
+
+ if (is_array($hidden) AND count($hidden > 0))
+ {
+ $form .= form_hidden($hidden);
+ }
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Declaration - Multipart type
+ *
+ * Creates the opening portion of the form, but with "multipart/form-data".
+ *
+ * @access public
+ * @param string the URI segments of the form destination
+ * @param array a key/value pair of attributes
+ * @param array a key/value pair hidden data
+ * @return string
+ */
+function form_open_multipart($action, $attributes = array(), $hidden = array())
+{
+ $attributes['enctype'] = 'multipart/form-data';
+ return form_open($action, $attributes, $hidden);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Hidden Input Field
+ *
+ * Generates hidden fields. You can pass a simple key/value string or an associative
+ * array with multiple values.
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @return string
+ */
+function form_hidden($name, $value = '')
+{
+ if ( ! is_array($name))
+ {
+ return '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
+ }
+
+ $form = '';
+ foreach ($name as $name => $value)
+ {
+ $form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
+ }
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Text Input Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_input($data = '', $value = '', $extra = '')
+{
+ $defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value, 'maxlength' => '500', 'size' => '50');
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Password Field
+ *
+ * Identical to the input function but adds the "password" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_password($data = '', $value = '', $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'password';
+ return form_input($data, $value, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Upload Field
+ *
+ * Identical to the input function but adds the "file" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_upload($data = '', $value = '', $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'file';
+ return form_input($data, $value, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Textarea field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_textarea($data = '', $value = '', $extra = '')
+{
+ $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');
+
+ if ( ! is_array($data) OR ! isset($data['value']))
+ {
+ $val = $value;
+ }
+ else
+ {
+ $val = $data['value'];
+ unset($data['value']); // textareas don't use the value attribute
+ }
+
+ return "<textarea ".parse_form_attributes($data, $defaults).$extra.">".$val."</textarea>\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Drop-down Menu
+ *
+ * @access public
+ * @param string
+ * @param array
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_dropdown($name = '', $options = array(), $selected = '', $extra = '')
+{
+ if ($extra != '') $extra = ' '.$extra;
+
+ $form = '<select name="'.$name.'"'.$extra.">\n";
+
+ foreach ($options as $key => $val)
+ {
+ $key = (string) $key;
+ $val = (string) $val;
+
+ $sel = ($selected != $key) ? '' : ' selected="selected"';
+
+ $form .= '<option value="'.$key.'"'.$sel.'>'.$val."</option>\n";
+ }
+
+ $form .= '</select>';
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Checkbox Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+function form_checkbox($data = '', $value = '', $checked = TRUE, $extra = '')
+{
+ $defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ if (is_array($data) AND 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 ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Radio Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+function form_radio($data = '', $value = '', $checked = TRUE, $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'radio';
+ return form_checkbox($data, $value, $checked, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Submit Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_submit($data = '', $value = '', $extra = '')
+{
+ $defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Reset Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_reset($data = '', $value = '', $extra = '')
+{
+ $defaults = array('type' => 'reset', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Label Tag
+ *
+ * @access public
+ * @param string The text to appear onscreen
+ * @param string The id the label applies to
+ * @param string Additional attributes
+ * @return string
+ */
+function form_label($label_text = '', $id = '', $attributes = array())
+{
+
+ $label = '<label';
+
+ if ($id != '')
+ {
+ $label .= " for=\"$id\"";
+ }
+
+ if (is_array($attributes) AND count($attributes) > 0)
+ {
+ foreach ($attributes as $key => $val)
+ {
+ $label .= ' '.$key.'="'.$val.'"';
+ }
+ }
+
+ $label .= ">$label_text</label>";
+
+ return $label;
+}
+
+// ------------------------------------------------------------------------
+/**
+ * Fieldset Tag
+ *
+ * Used to produce <fieldset><legend>text</legend>. To close fieldset
+ * use form_fieldset_close()
+ *
+ * @access public
+ * @param string The legend text
+ * @param string Additional attributes
+ * @return string
+ */
+function form_fieldset($legend_text = '', $attributes = array())
+{
+
+ $fieldset = "<fieldset";
+
+ if (is_array($attributes) AND count($attributes) > 0)
+ {
+ foreach ($attributes as $key => $val)
+ {
+ $fieldset .= ' '.$key.'="'.$val.'"';
+ }
+ }
+
+ $fieldset .= ">\n";
+
+ if ($legend_text != '')
+ {
+ $fieldset .= "<legend>$legend_text</legend>\n";
+ }
+
+
+
+ return $fieldset;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Fieldset Close Tag
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function form_fieldset_close($extra = '')
+{
+ return "</fieldset>\n".$extra;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Close Tag
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function form_close($extra = '')
+{
+ return "</form>\n".$extra;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Prep
+ *
+ * Formats text so that it can be safely placed in a form field in the event it has HTML tags.
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function form_prep($str = '')
+{
+ if ($str === '')
+ {
+ return '';
+ }
+
+ $temp = '__TEMP_AMPERSANDS__';
+
+ // Replace entities to temporary markers so that
+ // htmlspecialchars won't mess them up
+ $str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
+ $str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
+
+ $str = htmlspecialchars($str);
+
+ // In case htmlspecialchars misses these.
+ $str = str_replace(array("'", '"'), array("'", """), $str);
+
+ // Decode the temp markers back to entities
+ $str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
+ $str = preg_replace("/$temp(\w+);/","&\\1;",$str);
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parse the form attributes
+ *
+ * Helper function used by some of the form helpers
+ *
+ * @access private
+ * @param array
+ * @param array
+ * @return string
+ */
+function parse_form_attributes($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')
+ {
+ $val = form_prep($val);
+ }
+
+ $att .= $key . '="' . $val . '" ';
+ }
+
+ return $att;
+}
+
+?>
\ No newline at end of file |