3 // Parse a form field description
4 // field:type:key=value:key2=value2
5 function parseFormString($str) {
7 $pairs = explode(":", $str);
8 foreach ($pairs as $pair) {
9 $kv = explode("=", $pair);
10 if ( sizeof($kv) == 1 ) {
19 // Filter a form definition based on a controlling row.
21 // The controlling row has fields that are interpreted as
22 // 0=force off, 1=force on, 2 = delegate setting
23 // For radio buttons in our form, it simply checks for
24 // the field of the same name in the controlling row.
25 // For non-radio fields, it looks for a field in the
26 // controlling row prepended by 'allow'.
27 function filterForm($control_row, $fieldinfo)
30 foreach ($fieldinfo as $line) {
31 $fields = parseFormString($line);
32 if ( $fields[1] == 'radio' ) {
33 if ( $control_row[$fields[0]] == 2 ) $new_form[] = $line;
35 // See if a non-radio field is controlled by an allow field
36 $allowfield = 'allow'.$fields[0];
37 if ( isset( $control_row[$allowfield] ) ) {
38 if ( $control_row[$allowfield] == 1 ) $new_form[] = $line;
44 function at_form_input($row,$fieldinfo)
46 $info = parseFormString($fieldinfo);
47 if ( isset($info[0]) ) $field = $info[0]; else return;
48 if ( isset($info[1]) ) $type = $info[1]; else return;
50 if ( isset($info['label']) ) $label = $info['label'];
51 $required = isset($info['required']);
53 if ( $type == 'text' || $type == 'url' || $type == 'id' || $type == 'integer' ) {
54 $size = isset($info['size']) ? $info['size'] : 40; ?>
56 <?php if ($required) { ?><span class="required" title="<?php echo _AT('required_field'); ?>">*</span><?php } ?><label for="<?php echo $field;?>"><?php echo _AT($label); ?></label><br />
57 <input type="text" id="<?php echo $field;?>" name="<?php echo $field;?>" size="<?php echo $size;?>" value="<?php echo htmlspecialchars($row[$field]); ?>" />
60 else if ( $type == 'textarea' ) {
61 $cols = isset($info['cols']) ? $info['cols'] : 25;
62 $rows = isset($info['rows']) ? $info['rows'] : 2; ?>
64 <?php if ($required) { ?><span class="required" title="<?php echo _AT('required_field'); ?>">*</span><?php } ?><label for="<?php echo $field;?>"><?php echo _AT($label); ?></label><br />
65 <textarea id="<?php echo $field;?>" name="<?php echo $field;?>" cols="<?php echo $cols;?>" rows="<?php echo $rows;?>"><?php echo htmlspecialchars($row[$field]); ?></textarea>
68 else if ( $type == 'radio' ) {
69 if ( isset($info['choices']) ) {
70 $choices = explode(',', $info['choices']);
72 echo('<!-- at_form_radio requires choices=on,off,part -->');
75 $current = isset($row[$field]) ? $row[$field] : -1;
78 <?php if ($required) { ?><span class="required" title="<?php echo _AT('required_field'); ?>">*</span><?php } ?><label for="<?php echo $field;?>"><?php echo _AT($label); ?></label><br />
80 foreach($choices as $key => $value ) {
82 if ( $key == $current ) $checked = ' checked="checked"';
84 <label><input type="radio" name="<?php echo $field; ?>" value="<?php echo $key?>" id="<?php echo $field.'_'.$value;?>"<?php echo $checked; ?>/><?php echo _AT($label.'_'.$value); ?></label><br />
91 function at_form_generate($row, $form_definition) {
92 foreach ( $form_definition as $forminput ) {
93 at_form_input($row,$forminput);
98 function at_form_output($row,$fieldinfo)
100 $info = parseFormString($fieldinfo);
101 if ( isset($info[0]) ) $field = $info[0]; else return;
102 if ( isset($info[1]) ) $type = $info[1]; else return;
104 if ( isset($info['label']) ) $label = $info['label'];
106 if ( $type == 'text' || $type == 'url' || $type == 'id' || $type == 'integer' || $type == 'textarea') {
107 if ( strlen($row[$field]) < 1 ) return; ?>
109 <?php echo _AT($label); ?><br/>
110 <?php echo htmlspecialchars($row[$field]); ?>
113 else if ( $type == 'radio' ) {
114 if ( isset($info['choices']) ) {
115 $choices = explode(',', $info['choices']);
117 echo('<!-- at_form_radio requires choices=on,off,part -->');
120 $current = isset($row[$field]) ? $row[$field] : 0;
121 if ( $current < 0 || $current >= sizeof($choices) ) $current = 0;
123 <div class="row"> <?php
124 $value = $choices[$current];
125 echo _AT($label)."<br/>\n";
126 echo _AT($label.'_'.$value); ?>
132 function at_form_view($row, $form_definition) {
133 foreach ( $form_definition as $forminput ) {
134 at_form_output($row,$forminput);
138 function at_form_validate($form_definition, $msg ) {
140 $missing_fields = array();
141 $numeric_fields = array();
142 $url_fields = array();
143 $id_fields = array();
145 foreach ( $form_definition as $forminput ) {
146 $info = parseFormString($forminput);
147 $label = isset($info['label']) ? $info['label'] : $info[0];
148 $datafield = $_POST[$info[0]];
149 $datafield = trim($datafield);
150 // echo($info[0] . '=' . $datafield. "<br/>\n");
151 if ( isset($info['required']) && strlen($datafield) < 1 ) {
152 $missing_fields[] = _AT($label);
154 if ( $info[1] == 'integer' || $info[1] == 'radio') {
155 if ( preg_match("/[0-9]+/", $datafield) == 1 || strlen($datafield) == 0 ) {
158 $numeric_fields[] = _AT($label);
161 if ( $info[1] == 'id' ) {
162 if ( preg_match("/^[0-9a-zA-Z._-]*$/", $datafield) == 1 || strlen($datafield) == 0 ) {
165 $id_fields[] = _AT($label);
168 if ( $info[1] == 'url' ) {
169 $pattern = "'^(http://|https://)[a-z0-9][a-z0-9]*'";
170 if ( preg_match($pattern, $datafield) == 1 || strlen($datafield) == 0 ) {
173 $url_fields[] = _AT($label);
177 if (sizeof($missing_fields) > 0) {
178 $missing_fields = implode(', ', $missing_fields);
179 $msg->addError(array('EMPTY_FIELDS', $missing_fields));
182 if (sizeof($numeric_fields) > 0) {
183 $numeric_fields = implode(', ', $numeric_fields);
184 // TODO: Make sure this prints out the list of fields
185 $msg->addError(array('NUMERIC_FIELDS', $numeric_fields));
186 $msg->addError($numeric_fields);
189 if (sizeof($url_fields) > 0) {
190 $url_fields = implode(', ', $url_fields);
191 $msg->addError(array('URL_FIELDS', $url_fields));
194 if (sizeof($id_fields) > 0) {
195 $id_fields = implode(', ', $id_fields);
196 $msg->addError(array('ID_FIELDS', $id_fields));
202 function at_get_field_value($fieldvalue, $type = false) {
203 if ( $fieldvalue === false ) {
204 $fieldvalue = 'NULL';
205 } else if ( is_int($fieldvalue) ) {
206 $fieldvalue = $fieldvalue.'';
207 } else if ( $type == 'radio' || $type == 'integer') {
208 if ( strlen($fieldvalue) < 1 ) $fieldvalue = '0';
210 $fieldvalue = "'".mysql_real_escape_string($fieldvalue)."'";
215 // $overrides = array('course_id' => 12, "title" => "yo", "toolid" => false);
216 // false in the array becomes NULL in the database
217 function at_form_insert($row, $form_definition, $overrides=false) {
221 foreach ( $form_definition as $forminput ) {
222 $info = parseFormString($forminput);
223 $fieldname = $info[0];
226 if ( is_array($overrides) && isset($overrides[$fieldname]) ) $fieldvalue = $overrides[$fieldname];
227 if ( ! isset($fieldvalue) ) $fieldvalue = $row[$fieldname];
228 if ( ! isset($fieldvalue) ) continue;
229 $fieldvalue = trim($fieldvalue);
230 if ( strlen($fieldvalue) < 1 ) continue;
231 $fieldvalue = at_get_field_value($fieldvalue, $type);
232 $handled[] = $fieldname;
233 if ( $fieldlist != "" ) $fieldlist = $fieldlist.", ";
234 if ( $valuelist != "" ) $valuelist = $valuelist.", ";
235 $fieldlist = $fieldlist.$fieldname;
236 $valuelist = $valuelist.$fieldvalue;
238 if ( is_array($overrides) ) foreach($overrides as $fieldname => $fieldvalue) {
239 if ( in_array ( $fieldname , $handled) ) continue;
240 $fieldvalue = at_get_field_value($fieldvalue);
241 if ( $fieldlist != "" ) $fieldlist = $fieldlist.", ";
242 if ( $valuelist != "" ) $valuelist = $valuelist.", ";
243 $fieldlist = $fieldlist.$fieldname;
244 $valuelist = $valuelist.$fieldvalue;
246 $sql = "( $fieldlist ) VALUES ( $valuelist )";
250 function at_form_update($row, $form_definition, $overrides=false) {
253 foreach ( $form_definition as $forminput ) {
254 $info = parseFormString($forminput);
255 $fieldname = $info[0];
258 if ( is_array($overrides) && isset($overrides[$fieldname]) ) $fieldvalue = $overrides[$fieldname];
259 if ( ! isset($fieldvalue) ) $fieldvalue = $row[$info[0]];
260 if ( ! isset($fieldvalue) ) $fieldvalue = '';
261 $fieldvalue = trim($fieldvalue);
262 $fieldvalue = at_get_field_value($fieldvalue, $type);
263 if ( $setlist != "" ) $setlist = $setlist.", ";
264 $setlist = $setlist.$fieldname." = ".$fieldvalue;
266 if ( is_array($overrides) ) foreach($overrides as $fieldname => $fieldvalue) {
267 if ( in_array ( $fieldname , $handled) ) continue;
268 $fieldvalue = at_get_field_value($fieldvalue);
269 if ( $setlist != "" ) $setlist = $setlist.", ";
270 $setlist = $setlist.$fieldname." = ".$fieldvalue;
275 function foorm_i18n_util($fieldinfo) {
277 foreach ($fieldinfo as $line) {
278 $info = parseFormString($line);
280 if ( isset($info['label']) ) $label = $info['label'];
282 if ( $info[1] == 'radio' ) {
283 if ( isset($info['choices']) ) {
284 $choices = explode(',', $info['choices']);
285 foreach($choices as $choice) {
286 $strings[] = $label.'_'.$choice;
294 if ( ! function_exists('isCli') ) {
296 $sapi_type = php_sapi_name();
297 if (substr($sapi_type, 0, 3) == 'cli' && empty($_SERVER['REMOTE_ADDR'])) {
305 // If we are running from the command line - do a unit test
307 print_r(parseFormString('title:text:required=true:size=25'));
308 print_r(parseFormString('description:textarea:required=true:rows=2:cols=25'));
309 print_r(parseFormString('sendemail:radio:requred=true:label=bl_sendemail:choices=on,off,part'));
312 $row['title'] = 'Fred';
313 $row['description'] = 'Desc';
314 $row['sendemail'] = 1;
315 function _AT($str) { return $str; }
317 at_form_input($row,'title:text:required=true:size=25');
318 at_form_input($row,'description:textarea:required=true:rows=2:cols=25');
319 at_form_input($row,'sendemail:radio:requred=true:label=bl_sendemail:choices=on,off,part');
322 'title:text:size=80',
323 'preferheight:integer:label=bl_preferheight:size=80',
324 'sendname:radio:label=bl_sendname:choices=off,on,content',
325 'acceptgrades:radio:label=bl_acceptgrades:choices=off,on',
326 'customparameters:textarea:label=bl_customparameters:rows=5:cols=25',
329 $i18strings = foorm_i18n_util($test_frm);
330 print_r($i18strings);