--- /dev/null
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Form Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author ExpressionEngine Dev Team
+ * @link http://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
+ */
+if ( ! function_exists('form_open'))
+{
+ function form_open($action = '', $attributes = '', $hidden = array())
+ {
+ $CI =& get_instance();
+
+ if ($attributes == '')
+ {
+ $attributes = 'method="post"';
+ }
+
+ // If an action is not a full URL then turn it into one
+ if ($action && strpos($action, '://') === FALSE)
+ {
+ $action = $CI->config->site_url($action);
+ }
+
+ // If no action is provided then set to the current url
+ $action OR $action = $CI->config->site_url($CI->uri->uri_string());
+
+ $form = '<form action="'.$action.'"';
+
+ $form .= _attributes_to_string($attributes, TRUE);
+
+ $form .= '>';
+
+ // CSRF
+ if ($CI->config->item('csrf_protection') === TRUE)
+ {
+ $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
+ }
+
+ if (is_array($hidden) AND count($hidden) > 0)
+ {
+ $form .= sprintf("\n<div class=\"hidden\">%s</div>", form_hidden($hidden));
+ }
+
+ return $form;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Declaration - Multipart type
+ *
+ * Creates the opening portion of the form, but with "multipart/form-data".
+ *
+ * @access public
+ * @param string the URI segments of the form destination
+ * @param array a key/value pair of attributes
+ * @param array a key/value pair hidden data
+ * @return string
+ */
+if ( ! function_exists('form_open_multipart'))
+{
+ function form_open_multipart($action, $attributes = array(), $hidden = array())
+ {
+ if (is_string($attributes))
+ {
+ $attributes .= ' enctype="multipart/form-data"';
+ }
+ else
+ {
+ $attributes['enctype'] = 'multipart/form-data';
+ }
+
+ return form_open($action, $attributes, $hidden);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Hidden Input Field
+ *
+ * Generates hidden fields. You can pass a simple key/value string or an associative
+ * array with multiple values.
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_hidden'))
+{
+ function form_hidden($name, $value = '', $recursing = FALSE)
+ {
+ static $form;
+
+ if ($recursing === FALSE)
+ {
+ $form = "\n";
+ }
+
+ if (is_array($name))
+ {
+ foreach ($name as $key => $val)
+ {
+ form_hidden($key, $val, TRUE);
+ }
+ return $form;
+ }
+
+ if ( ! is_array($value))
+ {
+ $form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value, $name).'" />'."\n";
+ }
+ else
+ {
+ foreach ($value as $k => $v)
+ {
+ $k = (is_int($k)) ? '' : $k;
+ form_hidden($name.'['.$k.']', $v, TRUE);
+ }
+ }
+
+ return $form;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Text Input Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_input'))
+{
+ function form_input($data = '', $value = '', $extra = '')
+ {
+ $defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ return "<input "._parse_form_attributes($data, $defaults).$extra." />";
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Password Field
+ *
+ * Identical to the input function but adds the "password" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_password'))
+{
+ function form_password($data = '', $value = '', $extra = '')
+ {
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'password';
+ return form_input($data, $value, $extra);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Upload Field
+ *
+ * Identical to the input function but adds the "file" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_upload'))
+{
+ function form_upload($data = '', $value = '', $extra = '')
+ {
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'file';
+ return form_input($data, $value, $extra);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Textarea field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_textarea'))
+{
+ function form_textarea($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
+ }
+
+ $name = (is_array($data)) ? $data['name'] : $data;
+ return "<textarea "._parse_form_attributes($data, $defaults).$extra.">".form_prep($val, $name)."</textarea>";
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Multi-select menu
+ *
+ * @access public
+ * @param string
+ * @param array
+ * @param mixed
+ * @param string
+ * @return type
+ */
+if ( ! function_exists('form_multiselect'))
+{
+ function form_multiselect($name = '', $options = array(), $selected = array(), $extra = '')
+ {
+ if ( ! strpos($extra, 'multiple'))
+ {
+ $extra .= ' multiple="multiple"';
+ }
+
+ return form_dropdown($name, $options, $selected, $extra);
+ }
+}
+
+// --------------------------------------------------------------------
+
+/**
+ * Drop-down Menu
+ *
+ * @access public
+ * @param string
+ * @param array
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_dropdown'))
+{
+ function form_dropdown($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.'"'.$extra.$multiple.">\n";
+
+ foreach ($options as $key => $val)
+ {
+ $key = (string) $key;
+
+ if (is_array($val) && ! empty($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 $form;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Checkbox Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_checkbox'))
+{
+ function form_checkbox($data = '', $value = '', $checked = FALSE, $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." />";
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Radio Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_radio'))
+{
+ function form_radio($data = '', $value = '', $checked = FALSE, $extra = '')
+ {
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'radio';
+ return form_checkbox($data, $value, $checked, $extra);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Submit Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_submit'))
+{
+ function form_submit($data = '', $value = '', $extra = '')
+ {
+ $defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ return "<input "._parse_form_attributes($data, $defaults).$extra." />";
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Reset Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_reset'))
+{
+ 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." />";
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_button'))
+{
+ function form_button($data = '', $content = '', $extra = '')
+ {
+ $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'type' => 'button');
+
+ if ( is_array($data) AND isset($data['content']))
+ {
+ $content = $data['content'];
+ unset($data['content']); // content is not an attribute
+ }
+
+ return "<button "._parse_form_attributes($data, $defaults).$extra.">".$content."</button>";
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Label Tag
+ *
+ * @access public
+ * @param string The text to appear onscreen
+ * @param string The id the label applies to
+ * @param string Additional attributes
+ * @return string
+ */
+if ( ! function_exists('form_label'))
+{
+ function form_label($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 $label;
+ }
+}
+
+// ------------------------------------------------------------------------
+/**
+ * Fieldset Tag
+ *
+ * Used to produce <fieldset><legend>text</legend>. To close fieldset
+ * use form_fieldset_close()
+ *
+ * @access public
+ * @param string The legend text
+ * @param string Additional attributes
+ * @return string
+ */
+if ( ! function_exists('form_fieldset'))
+{
+ function form_fieldset($legend_text = '', $attributes = array())
+ {
+ $fieldset = "<fieldset";
+
+ $fieldset .= _attributes_to_string($attributes, FALSE);
+
+ $fieldset .= ">\n";
+
+ if ($legend_text != '')
+ {
+ $fieldset .= "<legend>$legend_text</legend>\n";
+ }
+
+ return $fieldset;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Fieldset Close Tag
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_fieldset_close'))
+{
+ function form_fieldset_close($extra = '')
+ {
+ return "</fieldset>".$extra;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Close Tag
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_close'))
+{
+ function form_close($extra = '')
+ {
+ return "</form>".$extra;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Prep
+ *
+ * Formats text so that it can be safely placed in a form field in the event it has HTML tags.
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_prep'))
+{
+ function form_prep($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] = 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("'", """), $str);
+
+ if ($field_name != '')
+ {
+ $prepped_fields[$field_name] = $field_name;
+ }
+
+ return $str;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Value
+ *
+ * Grabs a value from the POST array for the specified field so you can
+ * re-populate an input field or textarea. If Form Validation
+ * is active it retrieves the info from the validation class
+ *
+ * @access public
+ * @param string
+ * @return mixed
+ */
+if ( ! function_exists('set_value'))
+{
+ function set_value($field = '', $default = '')
+ {
+ if (FALSE === ($OBJ =& _get_validation_object()))
+ {
+ if ( ! isset($_POST[$field]))
+ {
+ return $default;
+ }
+
+ return form_prep($_POST[$field], $field);
+ }
+
+ return form_prep($OBJ->set_value($field, $default), $field);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Set Select
+ *
+ * Let's you set the selected value of a <select> menu via data in the POST array.
+ * If Form Validation is active it retrieves the info from the validation class
+ *
+ * @access public
+ * @param string
+ * @param string
+ * @param bool
+ * @return string
+ */
+if ( ! function_exists('set_select'))
+{
+ function set_select($field = '', $value = '', $default = FALSE)
+ {
+ $OBJ =& _get_validation_object();
+
+ if ($OBJ === FALSE)
+ {
+ if ( ! isset($_POST[$field]))
+ {
+ if (count($_POST) === 0 AND $default == TRUE)
+ {
+ return ' selected="selected"';
+ }
+ return '';
+ }
+
+ $field = $_POST[$field];
+
+ if (is_array($field))
+ {
+ if ( ! in_array($value, $field))
+ {
+ return '';
+ }
+ }
+ else
+ {
+ if (($field == '' OR $value == '') OR ($field != $value))
+ {
+ return '';
+ }
+ }
+
+ return ' selected="selected"';
+ }
+
+ return $OBJ->set_select($field, $value, $default);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Set Checkbox
+ *
+ * Let's you set the selected value of a checkbox via the value in the POST array.
+ * If Form Validation is active it retrieves the info from the validation class
+ *
+ * @access public
+ * @param string
+ * @param string
+ * @param bool
+ * @return string
+ */
+if ( ! function_exists('set_checkbox'))
+{
+ function set_checkbox($field = '', $value = '', $default = FALSE)
+ {
+ $OBJ =& _get_validation_object();
+
+ if ($OBJ === FALSE)
+ {
+ if ( ! isset($_POST[$field]))
+ {
+ if (count($_POST) === 0 AND $default == TRUE)
+ {
+ return ' checked="checked"';
+ }
+ return '';
+ }
+
+ $field = $_POST[$field];
+
+ if (is_array($field))
+ {
+ if ( ! in_array($value, $field))
+ {
+ return '';
+ }
+ }
+ else
+ {
+ if (($field == '' OR $value == '') OR ($field != $value))
+ {
+ return '';
+ }
+ }
+
+ return ' checked="checked"';
+ }
+
+ return $OBJ->set_checkbox($field, $value, $default);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Set Radio
+ *
+ * Let's you set the selected value of a radio field via info in the POST array.
+ * If Form Validation is active it retrieves the info from the validation class
+ *
+ * @access public
+ * @param string
+ * @param string
+ * @param bool
+ * @return string
+ */
+if ( ! function_exists('set_radio'))
+{
+ function set_radio($field = '', $value = '', $default = FALSE)
+ {
+ $OBJ =& _get_validation_object();
+
+ if ($OBJ === FALSE)
+ {
+ if ( ! isset($_POST[$field]))
+ {
+ if (count($_POST) === 0 AND $default == TRUE)
+ {
+ return ' checked="checked"';
+ }
+ return '';
+ }
+
+ $field = $_POST[$field];
+
+ if (is_array($field))
+ {
+ if ( ! in_array($value, $field))
+ {
+ return '';
+ }
+ }
+ else
+ {
+ if (($field == '' OR $value == '') OR ($field != $value))
+ {
+ return '';
+ }
+ }
+
+ return ' checked="checked"';
+ }
+
+ return $OBJ->set_radio($field, $value, $default);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Error
+ *
+ * Returns the error for a specific form field. This is a helper for the
+ * form validation class.
+ *
+ * @access public
+ * @param string
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('form_error'))
+{
+ function form_error($field = '', $prefix = '', $suffix = '')
+ {
+ if (FALSE === ($OBJ =& _get_validation_object()))
+ {
+ return '';
+ }
+
+ return $OBJ->error($field, $prefix, $suffix);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Validation Error String
+ *
+ * Returns all the errors associated with a form submission. This is a helper
+ * function for the form validation class.
+ *
+ * @access public
+ * @param string
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('validation_errors'))
+{
+ function validation_errors($prefix = '', $suffix = '')
+ {
+ if (FALSE === ($OBJ =& _get_validation_object()))
+ {
+ return '';
+ }
+
+ return $OBJ->error_string($prefix, $suffix);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parse the form attributes
+ *
+ * Helper function used by some of the form helpers
+ *
+ * @access private
+ * @param array
+ * @param array
+ * @return string
+ */
+if ( ! function_exists('_parse_form_attributes'))
+{
+ function _parse_form_attributes($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, $default['name']);
+ }
+
+ $att .= $key . '="' . $val . '" ';
+ }
+
+ return $att;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Attributes To String
+ *
+ * Helper function used by some of the form helpers
+ *
+ * @access private
+ * @param mixed
+ * @param bool
+ * @return string
+ */
+if ( ! function_exists('_attributes_to_string'))
+{
+ function _attributes_to_string($attributes, $formtag = FALSE)
+ {
+ if (is_string($attributes) AND strlen($attributes) > 0)
+ {
+ if ($formtag == TRUE AND strpos($attributes, 'method=') === FALSE)
+ {
+ $attributes .= ' method="post"';
+ }
+
+ if ($formtag == TRUE AND strpos($attributes, 'accept-charset=') === FALSE)
+ {
+ $attributes .= ' accept-charset="'.strtolower(config_item('charset')).'"';
+ }
+
+ return ' '.$attributes;
+ }
+
+ if (is_object($attributes) AND count($attributes) > 0)
+ {
+ $attributes = (array)$attributes;
+ }
+
+ if (is_array($attributes) AND count($attributes) > 0)
+ {
+ $atts = '';
+
+ if ( ! isset($attributes['method']) AND $formtag === TRUE)
+ {
+ $atts .= ' method="post"';
+ }
+
+ if ( ! isset($attributes['accept-charset']) AND $formtag === TRUE)
+ {
+ $atts .= ' accept-charset="'.strtolower(config_item('charset')).'"';
+ }
+
+ foreach ($attributes as $key => $val)
+ {
+ $atts .= ' '.$key.'="'.$val.'"';
+ }
+
+ return $atts;
+ }
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Validation Object
+ *
+ * Determines what the form validation class was instantiated as, fetches
+ * the object and returns it.
+ *
+ * @access private
+ * @return mixed
+ */
+if ( ! function_exists('_get_validation_object'))
+{
+ function &_get_validation_object()
+ {
+ $CI =& get_instance();
+
+ // We set this as a variable since we're returning by reference
+ $return = FALSE;
+
+ if ( ! isset($CI->load->_ci_classes) OR ! isset($CI->load->_ci_classes['form_validation']))
+ {
+ return $return;
+ }
+
+ $object = $CI->load->_ci_classes['form_validation'];
+
+ if ( ! isset($CI->$object) OR ! is_object($CI->$object))
+ {
+ return $return;
+ }
+
+ return $CI->$object;
+ }
+}
+
+
+/* End of file form_helper.php */
+/* Location: ./system/helpers/form_helper.php */
\ No newline at end of file
projects / living-lab-site.git / blobdiff