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['singular'])) {
  70                 $GLOBALS['file_name'] = format_varname($_REQUEST['file_name']);
  71                 $GLOBALS['table_name'] = format_varname($_REQUEST['table_name']);
  72                 $GLOBALS['plural'] = format_varname($_REQUEST['plural']);
  73                 # backwards compatibility:
  74                 if(isset($_REQUEST['form_name'])) {
  75                         $GLOBALS['file_name'] = $GLOBALS['table_name'] = $GLOBALS['plural'] = format_varname($_REQUEST['form_name']);
  76                 }
  77                 tem_set('file_name', $GLOBALS['file_name']);
  78                 tem_set('table_name', $GLOBALS['table_name']);
  79                 tem_set('plural', $GLOBALS['plural']);
  80
  81                 $GLOBALS['singular'] = format_varname($_REQUEST['singular']);
  82                 tem_set('singular', $GLOBALS['singular']);
  83                 $GLOBALS['opt_email'] = format_yesno($_REQUEST['opt_email']);
  84                 tem_set('opt_email', $GLOBALS['opt_email']);
  85                 $GLOBALS['opt_db'] = format_yesno($_REQUEST['opt_db']);
  86                 tem_set('opt_db', $GLOBALS['opt_db']);
  87                 $GLOBALS['opt_listing'] = format_yesno($_REQUEST['opt_listing']);
  88                 tem_set('opt_listing', $GLOBALS['opt_listing']);
  89                 $GLOBALS['opt_display'] = format_yesno($_REQUEST['opt_display']);
  90                 tem_set('opt_display', $GLOBALS['opt_display']);
  91                 $GLOBALS['opt_http_pass'] = format_yesno($_REQUEST['opt_http_pass']);
  92                 tem_set('opt_http_pass', $GLOBALS['opt_http_pass']);
  93         }
  94
  95         if(isset($_REQUEST['fields'])) {
  96                 if(isset($_REQUEST['view_sql'])) {
  97                         view_sql();
  98                         exit();
  99                 } elseif(isset($_REQUEST['view_php'])) {
 100                         view_php();
 101                         exit();
 102                 } elseif(isset($_REQUEST['view_html'])) {
 103                         view_html();
 104                         exit();
 105                 } elseif(isset($_REQUEST['view_email'])) {
 106                         view_email();
 107                         exit();
 108                 } elseif(isset($_REQUEST['download_tar'])) {
 109                         download_tar();
 110                         exit();
 111                 } elseif(isset($_REQUEST['preview'])) {
 112                         preview();
 113                         exit();
 114                 } elseif(isset($_REQUEST['edit'])) {
 115                         tem_set('fields', $_REQUEST['fields']);
 116                         # fall through
 117                 } else {
 118                         die("Sorry... couldn't tell which button you pressed");
 119                 }
 120         }
 121
 122
 123         set_form_action();
 124         tem_load('code/wfpl/metaform/main.html');
 125         list_available_types();
 126         tem_output();
 127 }
 128
 129
 130 function field_input($type)  { return $GLOBALS['types'][$type][0]; }
 131 function field_format($type) { return $GLOBALS['types'][$type][1]; }
 132 function field_sql($type)    { return $GLOBALS['types'][$type][2]; }
 133
 134 function get_fields() {
 135         # no sense in doing all this so many times
 136         if(isset($GLOBALS['gotten_fields'])) {
 137                 return $GLOBALS['gotten_fields'];
 138         }
 139
 140         $fields_str = unix_newlines($_REQUEST['fields']);
 141         $GLOBALS['gotten_fields'] = array();
 142         $fields_str = rtrim($fields_str);
 143         $fields = split("\n", $fields_str);
 144         foreach($fields as $field) {
 145                 list($name, $type, $options) = split('  *', $field);
 146                 if($options) $options = split(',', $options);
 147                 if(!$type) $type = $name;
 148                 $input = field_input($type);
 149                 $format = field_format($type);
 150                 $sql = field_sql($type);
 151                 $GLOBALS['gotten_fields'][] = array($name, $type, $input, $format, $sql, $options);
 152         }
 153         return $GLOBALS['gotten_fields'];
 154 }
 155
 156 # this one, that you're using to create forms
 157 function set_form_action() {
 158         $action = ereg_replace('.*/', '', $_SERVER['REQUEST_URI']);
 159         if($action == '') $action = './';
 160         tem_set('form_action', $action);
 161 }
 162
 163 # perfect HTTP headers for viewing created files
 164 function view_headers() {
 165         header('Content-type: text/plain');
 166 }
 167
 168
 169
 170
 171 function make_sql() {
 172         $tem = new tem();
 173         $tem->load('code/wfpl/metaform/template.sql');
 174         $tem->set('table_name', $GLOBALS['table_name']);
 175         $fields = get_fields();
 176         foreach($fields as $field) {
 177                 list($name, $type, $input, $format, $sql) = $field;
 178                 if($sql != 'n/a') {
 179                         $tem->set('name', $name);
 180                         $tem->set('type', $sql);
 181                         if(substr($sql, 0, 3) == 'int' || substr($sql, 0, 7) == 'decimal') {
 182                                 $tem->set('default', '0');
 183                         } elseif($format == 'yesno') {
 184                                 $tem->set('default', '"No"');
 185                         } else {
 186                                 $tem->set('default', '""');
 187                         }
 188                         $tem->show('column');
 189                 }
 190         }
 191         view_headers();
 192         return $tem->run();
 193 }
 194
 195 function view_sql() {
 196         view_headers();
 197         echo make_sql();
 198 }
 199
 200 # always_field is a form field that always submits (unlike say, checkboxes). It's used to detect if the form has submitted or not.
 201 function find_always_field($fields) {
 202         foreach($fields as $field) {
 203                 list($name, $type, $input, $format, $sql) = $field;
 204                 if($input != 'submit' && $input != 'checkbox' && $input != 'radio') {
 205                         return $name;
 206                 }
 207         }
 208
 209         return false;
 210 }
 211
 212
 213
 214 # pass false if you want to exclude the <head> and <body> tag etc.
 215 function make_html($whole_file = true) {
 216         $uploads_output_already = false;
 217         $has_html_editors = false;
 218         $tem = new tem();
 219         $tem->load('code/wfpl/metaform/template.html');
 220         $tem->set('file_name', $GLOBALS['file_name']);
 221         $tem->set('table_name', $GLOBALS['table_name']);
 222         $tem->set('singular', $GLOBALS['singular']);
 223         $tem->set('plural', $GLOBALS['plural']);
 224         $fields = get_fields();
 225         $tem->set('always_field', find_always_field($fields));
 226         foreach($fields as $field) {
 227                 list($name, $type, $input, $format, $sql) = $field;
 228                 $tem->set('name', $name);
 229                 $tem->set('caption', format_caption($name));
 230                 $tem->show($input);
 231                 if($input != 'hidden') {
 232                         $tem->show('row');
 233                 }
 234
 235                 if($input == 'image' && !$uploads_output_already) {
 236                         $tem->show('uploads');
 237                         $tem->set('enctype_attr', '" enctype="multipart/form-data');
 238                         $uploads_output_already = true;
 239                 } elseif($input == 'html') {
 240                         $has_html_editors = true;
 241                         $tem->set('html_field_name', $name);
 242                         $tem->show('replace_textarea');
 243                 }
 244
 245                 if($GLOBALS['opt_display'] == 'Yes') {
 246                         switch($input) {
 247                                 case 'checkbox':
 248                                 case 'leftcheck':
 249                                         $tem->show('display_yesno');
 250                                 break;
 251                                 case 'date':
 252                                         $tem->show('display_date');
 253                                 break;
 254                                 case 'textarea':
 255                                         $tem->show('display_multiline');
 256                                 break;
 257                                 case 'html':
 258                                         $tem->show('display_html');
 259                                 break;
 260                                 default:
 261                                         $tem->show('display_short');
 262                         }
 263                         $tem->show('display_row');
 264                 }
 265
 266                 if($GLOBALS['opt_listing'] == 'Yes') {
 267                         if($GLOBALS['opt_display'] != 'Yes') {
 268                                 $tem->show('opt_display_a_else');
 269                         }
 270                         if(show_in_listing($type, $input, $format, $sql)) {
 271                                 if($format == 'bool' || $format == 'yesno') {
 272                                         $tem->set('listing_enc', 'yesno');
 273                                 } elseif($input == 'date') {
 274                                         $tem->set('listing_enc', 'mmddyyyy');
 275                                 }
 276                                 $tem->show('listing_head_col');
 277                                 $tem->show('listing_row_col');
 278                         }
 279                 }
 280         }
 281
 282         if($GLOBALS['opt_db'] == 'Yes') {
 283                 $tem->show('opt_db_1');
 284                 $tem->show('opt_db_2');
 285         } else {
 286                 $tem->show('opt_db_1_else');
 287         }
 288
 289         if($GLOBALS['opt_listing'] == 'Yes') {
 290                 $tem->show('opt_listing_1');
 291         }
 292
 293         if($GLOBALS['opt_display'] == 'Yes') {
 294                 $tem->show('opt_display_1');
 295                 $tem->show('opt_display_2');
 296         }
 297
 298         if($GLOBALS['opt_email'] == 'Yes' && $GLOBALS['opt_db'] != 'Yes') {
 299                 $tem->set('name', 'send');
 300                 $tem->set('caption', 'Send');
 301         } else {
 302                 $tem->set('name', 'save');
 303                 $tem->set('caption', 'Save');
 304         }
 305         $tem->show('submit');
 306         $tem->show('row');
 307
 308         $tem->show('form');
 309
 310         if($has_html_editors) {
 311                 $tem->show('html_editor_headers');
 312         }
 313
 314         if($whole_file) {
 315                 return $tem->run();
 316         } else {
 317                 return $tem->get('form');
 318         }
 319 }
 320
 321 function view_html() {
 322         view_headers();
 323         echo make_html();
 324 }
 325
 326 function show_in_listing($type, $input, $format, $sql) {
 327         switch($input) {
 328                 case 'submit':
 329                 case 'hidden':
 330                 case 'password':
 331                 case 'textarea':
 332                 case 'html':
 333                         return false;
 334                 default:
 335                         return true;
 336         }
 337 }
 338
 339
 340 function make_php() {
 341         $tem = new tem();
 342         $tem->load('code/wfpl/metaform/template.php');
 343         $tem->set('file_name', $GLOBALS['file_name']);
 344         $tem->set('table_name', $GLOBALS['table_name']);
 345         $tem->set('singular', $GLOBALS['singular']);
 346         $tem->set('plural', $GLOBALS['plural']);
 347         $fields = get_fields();
 348         $db_fields = '';
 349         $php_fields = '';
 350         $always_field = find_always_field($fields);
 351         $image_included_yet = false;
 352         foreach($fields as $field) {
 353                 list($name, $type, $input, $format, $sql) = $field;
 354                 if($input != 'submit') {
 355                         $tem->set('format', $format);
 356                         $tem->set('name', $name);
 357                         $tem->set('db_field', ''); # we don't want to use the value from last time
 358                         if($sql != 'n/a') {
 359                                 if($db_fields != '') $db_fields .= ',';
 360                                 $db_fields .= $name;
 361                                 if($php_fields != '') $php_fields .= ', ';
 362                                 $php_fields .= '$' . $name;
 363                         }
 364                         if($input == 'image') {
 365                                 $tem->show('image_upload');
 366                                 $tem->show('image_db');
 367                                 if(!$image_included_yet) {
 368                                         $tem->show('image_include');
 369                                         $tem->show('upload_max');
 370                                         $tem->show('upload_settings');
 371                                         $image_included_yet = true;
 372                                 }
 373                         } else {
 374                                 if($input == 'pulldown') {
 375                                         $tem->show('pulldowns');
 376                                         $tem->show('pulldown_format_extra');
 377                                 }
 378                                 $tem->show('formats');
 379                         }
 380                         $tem->show('tem_sets');
 381                 }
 382
 383                 if($GLOBALS['opt_listing'] == 'Yes') {
 384                         if(show_in_listing($type, $input, $format, $sql)) {
 385                                 $tem->show('listing_fields_1');
 386                                 $tem->show('listing_fields_2');
 387                         }
 388                 }
 389         }
 390
 391         $tem->set('always_field', $always_field);
 392         $tem->set('db_fields', $db_fields);
 393         $tem->set('php_fields', $php_fields);
 394         $tem->set('metaform_url', edit_url());
 395         if($GLOBALS['opt_listing'] == 'Yes') {
 396                 $tem->show('opt_listing_1');
 397                 $tem->show('opt_listing_2');
 398         }
 399         if($GLOBALS['opt_display'] == 'Yes') {
 400                 $tem->show('opt_display_1');
 401                 $tem->show('opt_display_2');
 402         } else {
 403                 $tem->show('opt_display_1_else');
 404                 $tem->show('opt_display_2_else');
 405         }
 406         if($GLOBALS['opt_db'] == 'Yes') {
 407                 $tem->show('opt_db_1');
 408                 $tem->show('opt_db_2');
 409                 $tem->show('opt_db_3');
 410                 $tem->show('opt_db_4');
 411                 $tem->show('opt_db_5');
 412         }
 413         if($GLOBALS['opt_email'] == 'Yes') {
 414                 $tem->show('opt_email_1');
 415                 $tem->show('opt_email_2');
 416         }
 417         if($GLOBALS['opt_http_pass'] == 'Yes') {
 418                 $tem->show('opt_http_pass_1');
 419                 $tem->show('opt_http_pass_2');
 420         }
 421         return $tem->run();
 422 }
 423
 424 # make a URL for the edit page with all the fields filled in
 425 function edit_url() {
 426         $url = this_url();
 427         $url = ereg_replace('view_php=[^&]*', 'edit=yes', $url);
 428         $url = ereg_replace('download_tar=[^&]*', 'edit=yes', $url);
 429         $url = ereg_replace('/[a-z0-9_.]*\?', '/?', $url);
 430         $url = str_replace('jasonwoof.l', 'jasonwoof.com', $url); # so that code generated on Jason's home computer will display a publically accessible link.
 431         return $url;
 432 }
 433
 434 function view_php() {
 435         view_headers();
 436         echo make_php();
 437 }
 438
 439
 440 function make_email() {
 441         $tem = new tem();
 442         $tem->load('code/wfpl/metaform/template.email.txt');
 443         $tem->set('file_name', $GLOBALS['file_name']);
 444         $tem->set('table_name', $GLOBALS['table_name']);
 445         $tem->set('singular', $GLOBALS['singular']);
 446         $tem->set('plural', $GLOBALS['plural']);
 447         $fields = get_fields();
 448         foreach($fields as $field) {
 449                 list($name, $type, $input, $format, $sql) = $field;
 450                 $tem->set('name', $name);
 451                 $tem->set('caption', $name); # fixme
 452                 if($type == 'textarea') {
 453                         $tem->show('multi_line');
 454                 } elseif($type == 'checkbox') {
 455                         $tem->show('checkbox');
 456                 } else {
 457                         $tem->show('normal');
 458                 }
 459                 $tem->show('fields');
 460         }
 461         return $tem->run();
 462 }
 463
 464 function make_htaccess() {
 465         $tem = new tem();
 466         $tem->set('form', $GLOBALS['file_name']);
 467         return $tem->run('code/wfpl/metaform/htaccess');
 468 }
 469
 470 function view_email() {
 471         view_headers();
 472         echo make_email();
 473 }
 474
 475
 476 function preview() {
 477         tem_load('code/wfpl/metaform/preview.html');
 478         tem_set('file_name', $GLOBALS['file_name']);
 479         tem_set('table_name', $GLOBALS['table_name']);
 480         tem_set('singular', $GLOBALS['singular']);
 481         tem_set('plural', $GLOBALS['plural']);
 482         tem_set('fields', $_REQUEST['fields']);
 483         $preview_tem = new tem();
 484         $preview_tem->load_str(make_html(false));
 485         if($GLOBALS['opt_db'] == 'Yes') {
 486                 $preview_tem->show('new_msg');
 487         }
 488         $fields = get_fields();
 489         foreach($fields as $field) {
 490                 list($name, $type, $input, $format, $sql) = $field;
 491                 if($type == 'pulldown') {
 492                         pulldown($name, array('option 1', 'option 2', 'option 3'));
 493                 }
 494         }
 495         $preview = $preview_tem->run();
 496         unset($preview_tem);
 497         $preview = ereg_replace('type="submit"', 'type="submit" disabled="disabled"', $preview);
 498         tem_set('preview', $preview);
 499         tem_show('hiddens');
 500         set_form_action();
 501         tem_output();
 502 }
 503
 504 function download_tar() {
 505         $name = $GLOBALS['file_name'];
 506         $data = array(
 507                 ".htaccess" => make_htaccess(),
 508                 "run.php ->" => 'code/wfpl/run.php',
 509                 "style.css" => read_whole_file('code/wfpl/metaform/style.css'),
 510                 "$name.html" => make_html(),
 511                 "$name.php" => make_php());
 512         if($GLOBALS['opt_db'] == 'Yes') {
 513                 $data["$name.sql"] = make_sql();
 514         }
 515         if($GLOBALS['opt_email'] == 'Yes') {
 516                 $data["$name.email.txt"] = make_email();
 517         }
 518         make_tar($name, $data);
 519 }
 520
 521
 522 metaform();
 523 exit();
 524
 525 ?>