metaform.php

   1 <?php
   2
   3 #  Copyright (C) 2006 Jason Woofenden
   4 #
   5 #  This program is free software: you can redistribute it and/or modify
   6 #  it under the terms of the GNU General Public License as published by
   7 #  the Free Software Foundation, either version 3 of the License, or
   8 #  (at your option) any later version.
   9 #
  10 #  This program is distributed in the hope that it will be useful,
  11 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #  GNU General Public License for more details.
  14 #
  15 #  You should have received a copy of the GNU General Public License
  16 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18
  19 # This file writes the code for you (sql, php, html, email) to handle a form.
  20
  21 require_once('code/wfpl/template.php');
  22 require_once('code/wfpl/http.php');
  23 require_once('code/wfpl/tar.php');
  24 require_once('code/wfpl/format.php');
  25
  26 # see code/wfpl/metaform/template.html for the html templates for these elements
  27 $GLOBALS['types'] = array(
  28 #    type                  input          format        sql
  29         'varname' =>    array('textbox',     'varname',    'varchar(50)'),
  30         'name' =>       array('textbox',     'oneline',    'varchar(200)'),
  31         'textbox' =>    array('textbox',     'oneline',    'varchar(200)'),
  32         'int' =>        array('textbox',     'int',        'int'),
  33         'decimal' =>    array('textbox',     'decimal',    'decimal(12,12)'),
  34         'bigint' =>     array('textbox',     'int',        'varchar(100)'), # up to 100 digits, stored as a string
  35         'zip' =>        array('textbox',     'zip',        'varchar(20)'),
  36         'email' =>      array('textbox',     'email',      'varchar(100)'),
  37         'phone' =>      array('textbox',     'phone',      'varchar(32)'),
  38         'state' =>      array('states',      'oneline',    'varchar(2)'),
  39         'money' =>      array('textbox',     'money',      'varchar(32)'),
  40         'date' =>       array('date',        'mdy_to_ymd', 'char(10)'),
  41         'dollars' =>    array('textbox',     'dollars',    'varchar(32)'),
  42         'url' =>        array('textbox',     'url',        'varchar(200)'),
  43         'hidden' =>     array('hidden',      'unix',       'varchar(200)'),
  44         'password' =>   array('password',    'oneline',    'varchar(200)'),
  45         'textarea' =>   array('textarea',    'unix',       'text'),
  46         'html' =>       array('html',        'unix',       'text'),
  47         'pulldown' =>   array('pulldown',    'options',    'varchar(100)'),
  48         'radio' =>      array('radio',       'oneline',    'varchar(200)'),
  49         'checkbox' =>   array('leftcheck',   'bool',       'int(1)'),
  50         'rightcheck' => array('checkbox',    'bool',       'int(1)'),
  51         'rightyesno' => array('checkbox',    'yesno',      'varchar(3)'),
  52         'yesno' =>      array('leftcheck',   'yesno',      'varchar(3)'),
  53         'delete' =>     array('checkbox',    'yesno',      'n/a'),
  54         'image' =>      array('image',       'oneline',    'varchar(200)'),
  55         'submit' =>     array('submit',      'oneline',    'n/a')
  56 );
  57
  58 function list_available_types() {
  59         ksort($GLOBALS['types']);
  60         foreach($GLOBALS['types'] as $key => $value) {
  61                 tem_set('type', $key);
  62                 tem_show('types');
  63                 tem_show('types_sep');
  64         }
  65 }
  66
  67
  68 function metaform() {
  69         if(isset($_REQUEST['form_name'])) {
  70                 $GLOBALS['form_name'] = format_varname($_REQUEST['form_name']);
  71                 $GLOBALS['singular'] = format_varname($_REQUEST['singular']);
  72                 tem_set('singular', $GLOBALS['singular']);
  73                 $GLOBALS['opt_email'] = format_yesno($_REQUEST['opt_email']);
  74                 tem_set('opt_email', $GLOBALS['opt_email']);
  75                 $GLOBALS['opt_db'] = format_yesno($_REQUEST['opt_db']);
  76                 tem_set('opt_db', $GLOBALS['opt_db']);
  77                 $GLOBALS['opt_listing'] = format_yesno($_REQUEST['opt_listing']);
  78                 tem_set('opt_listing', $GLOBALS['opt_listing']);
  79                 $GLOBALS['opt_display'] = format_yesno($_REQUEST['opt_display']);
  80                 tem_set('opt_display', $GLOBALS['opt_display']);
  81                 $GLOBALS['opt_http_pass'] = format_yesno($_REQUEST['opt_http_pass']);
  82                 tem_set('opt_http_pass', $GLOBALS['opt_http_pass']);
  83         } else {
  84                 $GLOBALS['form_name'] = 'some_form';
  85         }
  86
  87         if(isset($_REQUEST['fields'])) {
  88                 if(isset($_REQUEST['view_sql'])) {
  89                         view_sql();
  90                         exit();
  91                 } elseif(isset($_REQUEST['view_php'])) {
  92                         view_php();
  93                         exit();
  94                 } elseif(isset($_REQUEST['view_html'])) {
  95                         view_html();
  96                         exit();
  97                 } elseif(isset($_REQUEST['view_email'])) {
  98                         view_email();
  99                         exit();
 100                 } elseif(isset($_REQUEST['download_tar'])) {
 101                         download_tar();
 102                         exit();
 103                 } elseif(isset($_REQUEST['preview'])) {
 104                         preview();
 105                         exit();
 106                 } elseif(isset($_REQUEST['edit'])) {
 107                         tem_set('fields', $_REQUEST['fields']);
 108                         tem_set('form_name', $GLOBALS['form_name']);
 109                         # fall through
 110                 } else {
 111                         die("Sorry... couldn't tell which button you pressed");
 112                 }
 113         }
 114
 115
 116         set_form_action();
 117         tem_load('code/wfpl/metaform/main.html');
 118         list_available_types();
 119         tem_output();
 120 }
 121
 122
 123 function field_input($type)  { return $GLOBALS['types'][$type][0]; }
 124 function field_format($type) { return $GLOBALS['types'][$type][1]; }
 125 function field_sql($type)    { return $GLOBALS['types'][$type][2]; }
 126
 127 function get_fields() {
 128         # no sense in doing all this so many times
 129         if(isset($GLOBALS['gotten_fields'])) {
 130                 return $GLOBALS['gotten_fields'];
 131         }
 132
 133         $fields_str = unix_newlines($_REQUEST['fields']);
 134         $GLOBALS['gotten_fields'] = array();
 135         $fields_str = rtrim($fields_str);
 136         $fields = split("\n", $fields_str);
 137         foreach($fields as $field) {
 138                 list($name, $type, $options) = split('  *', $field);
 139                 if($options) $options = split(',', $options);
 140                 if(!$type) $type = $name;
 141                 $input = field_input($type);
 142                 $format = field_format($type);
 143                 $sql = field_sql($type);
 144                 $GLOBALS['gotten_fields'][] = array($name, $type, $input, $format, $sql, $options);
 145         }
 146         return $GLOBALS['gotten_fields'];
 147 }
 148
 149 # this one, that you're using to create forms
 150 function set_form_action() {
 151         $action = ereg_replace('.*/', '', $_SERVER['REQUEST_URI']);
 152         if($action == '') $action = './';
 153         tem_set('form_action', $action);
 154 }
 155
 156 # perfect HTTP headers for viewing created files
 157 function view_headers() {
 158         header('Content-type: text/plain');
 159 }
 160
 161
 162
 163
 164 function make_sql() {
 165         $tem = new tem();
 166         $tem->load('code/wfpl/metaform/template.sql');
 167         $tem->set('form_name', $GLOBALS['form_name']);
 168         $fields = get_fields();
 169         foreach($fields as $field) {
 170                 list($name, $type, $input, $format, $sql) = $field;
 171                 if($sql != 'n/a') {
 172                         $tem->set('name', $name);
 173                         $tem->set('type', $sql);
 174                         if(substr($sql, 0, 3) == 'int' || substr($sql, 0, 7) == 'decimal') {
 175                                 $tem->set('default', '0');
 176                         } elseif($format == 'yesno') {
 177                                 $tem->set('default', '"No"');
 178                         } else {
 179                                 $tem->set('default', '""');
 180                         }
 181                         $tem->show('column');
 182                 }
 183         }
 184         view_headers();
 185         return $tem->run();
 186 }
 187
 188 function view_sql() {
 189         view_headers();
 190         echo make_sql();
 191 }
 192
 193 # always_field is a form field that always submits (unlike say, checkboxes). It's used to detect if the form has submitted or not.
 194 function find_always_field($fields) {
 195         foreach($fields as $field) {
 196                 list($name, $type, $input, $format, $sql) = $field;
 197                 if($input != 'submit' && $input != 'checkbox' && $input != 'radio') {
 198                         return $name;
 199                 }
 200         }
 201
 202         return false;
 203 }
 204
 205
 206
 207 # pass false if you want to exclude the <head> and <body> tag etc.
 208 function make_html($whole_file = true) {
 209         $uploads_output_already = false;
 210         $has_html_editors = false;
 211         $tem = new tem();
 212         $tem->load('code/wfpl/metaform/template.html');
 213         $tem->set('form_name', $GLOBALS['form_name']);
 214         $tem->set('singular', $GLOBALS['singular']);
 215         $fields = get_fields();
 216         $tem->set('always_field', find_always_field($fields));
 217         foreach($fields as $field) {
 218                 list($name, $type, $input, $format, $sql) = $field;
 219                 $tem->set('name', $name);
 220                 $tem->set('caption', format_caption($name));
 221                 $tem->show($input);
 222                 if($input != 'hidden') {
 223                         $tem->show('row');
 224                 }
 225
 226                 if($input == 'image' && !$uploads_output_already) {
 227                         $tem->show('uploads');
 228                         $tem->set('enctype_attr', '" enctype="multipart/form-data');
 229                         $uploads_output_already = true;
 230                 } elseif($input == 'html') {
 231                         $has_html_editors = true;
 232                         $tem->set('html_field_name', $name);
 233                         $tem->show('replace_textarea');
 234                 }
 235
 236                 if($GLOBALS['opt_display'] == 'Yes') {
 237                         switch($input) {
 238                                 case 'checkbox':
 239                                 case 'leftcheck':
 240                                         $tem->show('display_yesno');
 241                                 break;
 242                                 case 'date':
 243                                         $tem->show('display_date');
 244                                 break;
 245                                 case 'textarea':
 246                                         $tem->show('display_multiline');
 247                                 break;
 248                                 case 'html':
 249                                         $tem->show('display_html');
 250                                 break;
 251                                 default:
 252                                         $tem->show('display_short');
 253                         }
 254                         $tem->show('display_row');
 255                 }
 256
 257                 if($GLOBALS['opt_listing'] == 'Yes') {
 258                         if($GLOBALS['opt_display'] != 'Yes') {
 259                                 $tem->show('opt_display_a_else');
 260                         }
 261                         if(show_in_listing($type, $input, $format, $sql)) {
 262                                 if($format == 'bool' || $format == 'yesno') {
 263                                         $tem->set('listing_enc', 'yesno');
 264                                 } elseif($input == 'date') {
 265                                         $tem->set('listing_enc', 'mmddyyyy');
 266                                 }
 267                                 $tem->show('listing_head_col');
 268                                 $tem->show('listing_row_col');
 269                         }
 270                 }
 271         }
 272
 273         if($GLOBALS['opt_db'] == 'Yes') {
 274                 $tem->show('opt_db_1');
 275                 $tem->show('opt_db_2');
 276         } else {
 277                 $tem->show('opt_db_1_else');
 278         }
 279
 280         if($GLOBALS['opt_listing'] == 'Yes') {
 281                 $tem->show('opt_listing_1');
 282         }
 283
 284         if($GLOBALS['opt_display'] == 'Yes') {
 285                 $tem->show('opt_display_1');
 286                 $tem->show('opt_display_2');
 287         }
 288
 289         if($GLOBALS['opt_email'] == 'Yes' && $GLOBALS['opt_db'] != 'Yes') {
 290                 $tem->set('name', 'send');
 291                 $tem->set('caption', 'Send');
 292         } else {
 293                 $tem->set('name', 'save');
 294                 $tem->set('caption', 'Save');
 295         }
 296         $tem->show('submit');
 297         $tem->show('row');
 298
 299         $tem->show('form');
 300
 301         if($has_html_editors) {
 302                 $tem->show('html_editor_headers');
 303         }
 304
 305         if($whole_file) {
 306                 return $tem->run();
 307         } else {
 308                 return $tem->get('form');
 309         }
 310 }
 311
 312 function view_html() {
 313         view_headers();
 314         echo make_html();
 315 }
 316
 317 function show_in_listing($type, $input, $format, $sql) {
 318         switch($input) {
 319                 case 'submit':
 320                 case 'hidden':
 321                 case 'password':
 322                 case 'textarea':
 323                 case 'html':
 324                         return false;
 325                 default:
 326                         return true;
 327         }
 328 }
 329
 330
 331 function make_php() {
 332         $tem = new tem();
 333         $tem->load('code/wfpl/metaform/template.php');
 334         $tem->set('form_name', $GLOBALS['form_name']);
 335         $tem->set('singular', $GLOBALS['singular']);
 336         $fields = get_fields();
 337         $db_fields = '';
 338         $php_fields = '';
 339         $always_field = find_always_field($fields);
 340         $image_included_yet = false;
 341         foreach($fields as $field) {
 342                 list($name, $type, $input, $format, $sql) = $field;
 343                 if($input != 'submit') {
 344                         $tem->set('format', $format);
 345                         $tem->set('name', $name);
 346                         $tem->set('db_field', ''); # we don't want to use the value from last time
 347                         if($sql != 'n/a') {
 348                                 if($db_fields != '') $db_fields .= ',';
 349                                 $db_fields .= $name;
 350                                 if($php_fields != '') $php_fields .= ', ';
 351                                 $php_fields .= '$' . $name;
 352                         }
 353                         if($input == 'image') {
 354                                 $tem->show('image_upload');
 355                                 $tem->show('image_db');
 356                                 if(!$image_included_yet) {
 357                                         $tem->show('image_include');
 358                                         $tem->show('upload_max');
 359                                         $tem->show('upload_settings');
 360                                         $image_included_yet = true;
 361                                 }
 362                         } else {
 363                                 if($input == 'pulldown') {
 364                                         $tem->show('pulldowns');
 365                                         $tem->show('pulldown_format_extra');
 366                                 }
 367                                 $tem->show('formats');
 368                         }
 369                         $tem->show('tem_sets');
 370                 }
 371
 372                 if($GLOBALS['opt_listing'] == 'Yes') {
 373                         if(show_in_listing($type, $input, $format, $sql)) {
 374                                 $tem->show('listing_fields_1');
 375                                 $tem->show('listing_fields_2');
 376                         }
 377                 }
 378         }
 379
 380         $tem->set('always_field', $always_field);
 381         $tem->set('db_fields', $db_fields);
 382         $tem->set('php_fields', $php_fields);
 383         $tem->set('metaform_url', edit_url());
 384         if($GLOBALS['opt_listing'] == 'Yes') {
 385                 $tem->show('opt_listing_1');
 386                 $tem->show('opt_listing_2');
 387         }
 388         if($GLOBALS['opt_display'] == 'Yes') {
 389                 $tem->show('opt_display_1');
 390                 $tem->show('opt_display_2');
 391         } else {
 392                 $tem->show('opt_display_1_else');
 393                 $tem->show('opt_display_2_else');
 394         }
 395         if($GLOBALS['opt_db'] == 'Yes') {
 396                 $tem->show('opt_db_1');
 397                 $tem->show('opt_db_2');
 398                 $tem->show('opt_db_3');
 399                 $tem->show('opt_db_4');
 400                 $tem->show('opt_db_5');
 401         }
 402         if($GLOBALS['opt_email'] == 'Yes') {
 403                 $tem->show('opt_email_1');
 404                 $tem->show('opt_email_2');
 405         }
 406         if($GLOBALS['opt_http_pass'] == 'Yes') {
 407                 $tem->show('opt_http_pass_1');
 408                 $tem->show('opt_http_pass_2');
 409         }
 410         return $tem->run();
 411 }
 412
 413 # make a URL for the edit page with all the fields filled in
 414 function edit_url() {
 415         $url = this_url();
 416         $url = ereg_replace('view_php=[^&]*', 'edit=yes', $url);
 417         $url = ereg_replace('download_tar=[^&]*', 'edit=yes', $url);
 418         $url = ereg_replace('/[a-z0-9_.]*\?', '/?', $url);
 419         $url = str_replace('jasonwoof.l', 'jasonwoof.com', $url); # so that code generated on Jason's home computer will display a publically accessible link.
 420         return $url;
 421 }
 422
 423 function view_php() {
 424         view_headers();
 425         echo make_php();
 426 }
 427
 428
 429 function make_email() {
 430         $tem = new tem();
 431         $tem->load('code/wfpl/metaform/template.email.txt');
 432         $tem->set('form_name', $GLOBALS['form_name']);
 433         $fields = get_fields();
 434         foreach($fields as $field) {
 435                 list($name, $type, $input, $format, $sql) = $field;
 436                 $tem->set('name', $name);
 437                 $tem->set('caption', $name); # fixme
 438                 if($type == 'textarea') {
 439                         $tem->show('multi_line');
 440                 } elseif($type == 'checkbox') {
 441                         $tem->show('checkbox');
 442                 } else {
 443                         $tem->show('normal');
 444                 }
 445                 $tem->show('fields');
 446         }
 447         return $tem->run();
 448 }
 449
 450 function make_htaccess() {
 451         $tem = new tem();
 452         $tem->set('form', $GLOBALS['form_name']);
 453         return $tem->run('code/wfpl/metaform/htaccess');
 454 }
 455
 456 function view_email() {
 457         view_headers();
 458         echo make_email();
 459 }
 460
 461
 462 function preview() {
 463         tem_load('code/wfpl/metaform/preview.html');
 464         tem_set('form_name', $GLOBALS['form_name']);
 465         tem_set('fields', $_REQUEST['fields']);
 466         $preview_tem = new tem();
 467         $preview_tem->load_str(make_html(false));
 468         if($GLOBALS['opt_db'] == 'Yes') {
 469                 $preview_tem->show('new_msg');
 470         }
 471         $fields = get_fields();
 472         foreach($fields as $field) {
 473                 list($name, $type, $input, $format, $sql) = $field;
 474                 if($type == 'pulldown') {
 475                         pulldown($name, array('option 1', 'option 2', 'option 3'));
 476                 }
 477         }
 478         $preview = $preview_tem->run();
 479         unset($preview_tem);
 480         $preview = ereg_replace('type="submit"', 'type="submit" disabled="disabled"', $preview);
 481         tem_set('preview', $preview);
 482         tem_show('hiddens');
 483         set_form_action();
 484         tem_output();
 485 }
 486
 487 function download_tar() {
 488         $name = $GLOBALS['form_name'];
 489         $data = array(
 490                 ".htaccess" => make_htaccess(),
 491                 "run.php ->" => 'code/wfpl/run.php',
 492                 "style.css" => read_whole_file('code/wfpl/metaform/style.css'),
 493                 "$name.html" => make_html(),
 494                 "$name.php" => make_php());
 495         if($GLOBALS['opt_db'] == 'Yes') {
 496                 $data["$name.sql"] = make_sql();
 497         }
 498         if($GLOBALS['opt_email'] == 'Yes') {
 499                 $data["$name.email.txt"] = make_email();
 500         }
 501         make_tar($name, $data);
 502 }
 503
 504
 505 metaform();
 506 exit();
 507
 508 ?>