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(__DIR__.'/'.'template.php');
  22 require_once(__DIR__.'/'.'http.php');
  23 require_once(__DIR__.'/'.'tar.php');
  24 require_once(__DIR__.'/'.'format.php');
  25
  26 # see 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) binary'),
  30         'name' =>       array('textbox',     'oneline',    'varchar(200) binary'),
  31         'textbox' =>    array('textbox',     'oneline',    'varchar(200) binary'),
  32         'int' =>        array('textbox',     'int',        'int'),
  33         'decimal' =>    array('textbox',     'decimal',    'decimal(12,2)'),
  34         'bigint' =>     array('textbox',     'int',        'varchar(100) binary'), # up to 100 digits, stored as a string
  35         'zip' =>        array('textbox',     'zip',        'varchar(20) binary'),
  36         'email' =>      array('email',       'email',      'varchar(100) binary'),
  37         'search' =>     array('search',      'oneline',    'varchar(200) binary'),
  38         'phone' =>      array('textbox',     'phone',      'varchar(32) binary'),
  39         'state' =>      array('states',      'oneline',    'varchar(2) binary'),
  40         'money' =>      array('textbox',     'money',      'varchar(32) binary'),
  41         'date' =>       array('date',        'mdy_to_ymd', 'char(10) binary'),
  42         'dollars' =>    array('textbox',     'dollars',    'varchar(32) binary'),
  43         'url' =>        array('textbox',     'url',        'varchar(200) binary'),
  44         'hidden' =>     array('hidden',      'unix',       'varchar(200) binary'),
  45         'password' =>   array('password',    'oneline',    'varchar(200) binary'),
  46         'textarea' =>   array('textarea',    'unix',       'text binary'),
  47         'html' =>       array('html',        'unix',       'mediumtext binary'),
  48         'pulldown' =>   array('pulldown',    'options',    'varchar(100) binary'),
  49         'radio' =>      array('radio',       'options',    'varchar(100) binary'),
  50         'checkbox' =>   array('checkbox',    'bool',       'int(1)'),
  51         'yesno' =>      array('checkbox',    'yesno',      'varchar(3) binary'),
  52         'delete' =>     array('checkbox',    'yesno',      'n/a'),
  53         'image' =>      array('image',       'oneline',    'varchar(120) binary'),
  54         'thumb' =>      array('image',       'oneline',    'varchar(240) binary'),
  55         'file' =>       array('file',        'oneline',    'varchar(100) binary'),
  56         'submit' =>     array('submit',      'n/a',        'n/a'),
  57         '{' =>          array('fieldset',    'n/a',        'n/a'),
  58         '}' =>          array('end_fieldset','n/a',        'n/a')
  59 );
  60
  61 function list_available_types() {
  62         ksort($GLOBALS['types']);
  63         foreach($GLOBALS['types'] as $key => $value) {
  64                 tem_set('type', $key);
  65                 tem_show('types');
  66                 tem_show('types_sep');
  67         }
  68 }
  69
  70
  71 function tem_set_globals(&$tem) {
  72         $vars = array(
  73                 'file_name',
  74                 'public_file_name',
  75                 'table_name',
  76                 'plural',
  77                 'singular');
  78         foreach($vars as $var) {
  79                 $tem->set($var, $GLOBALS[$var]);
  80         }
  81
  82         $bools = array(
  83                 'opt_email',
  84                 'opt_db',
  85                 'opt_listing',
  86                 'opt_display',
  87                 'opt_pass',
  88                 'opt_public_form',
  89                 'opt_public_display',
  90                 'opt_public_something');
  91         foreach($bools as $bool) {
  92                 if($GLOBALS[$bool]) {
  93                         $tem->set($bool);
  94                 }
  95         }
  96 }
  97
  98 function metaform_main() {
  99         if(isset($_REQUEST['singular'])) {
 100                 $GLOBALS['file_name'] = format_varname($_REQUEST['file_name']);
 101                 $GLOBALS['table_name'] = format_varname($_REQUEST['table_name']);
 102                 $GLOBALS['plural'] = format_oneline($_REQUEST['plural']);
 103                 # backwards compatibility:
 104                 if(isset($_REQUEST['form_name'])) {
 105                         $GLOBALS['file_name'] = $GLOBALS['table_name'] = $GLOBALS['plural'] = format_varname($_REQUEST['form_name']);
 106                 }
 107
 108                 $GLOBALS['singular'] = format_oneline($_REQUEST['singular']);
 109                 $GLOBALS['opt_email'] = format_bool($_REQUEST['opt_email']);
 110                 $GLOBALS['opt_db'] = format_bool($_REQUEST['opt_db']);
 111                 $GLOBALS['opt_listing'] = format_bool($_REQUEST['opt_listing']);
 112                 $GLOBALS['opt_display'] = format_bool($_REQUEST['opt_display']);
 113                 $GLOBALS['opt_pass'] = format_bool($_REQUEST['opt_pass']);
 114                 $GLOBALS['opt_public_form'] = format_bool($_REQUEST['opt_public_form']);
 115                 $GLOBALS['opt_public_display'] = format_bool($_REQUEST['opt_public_display']);
 116
 117                 $GLOBALS['public_file_name'] = $GLOBALS['file_name'];
 118                 if($GLOBALS['opt_public_form'] || $GLOBALS['opt_public_display']) {
 119                         $GLOBALS['opt_public_something'] = 1;
 120                         $GLOBALS['file_name'] = $GLOBALS['file_name'] . _admin;
 121                 }
 122
 123                 tem_init();
 124                 tem_set_globals($GLOBALS['wfpl_template']);
 125         }
 126
 127         if(isset($_REQUEST['fields'])) {
 128                 if(isset($_REQUEST['view_sql'])) {
 129                         view_sql();
 130                         exit();
 131                 } elseif(isset($_REQUEST['view_php'])) {
 132                         view_php();
 133                         exit();
 134                 } elseif(isset($_REQUEST['view_html'])) {
 135                         view_html();
 136                         exit();
 137                 } elseif(isset($_REQUEST['view_email'])) {
 138                         view_email();
 139                         exit();
 140                 } elseif(isset($_REQUEST['download_tar'])) {
 141                         download_tar();
 142                         exit();
 143                 } elseif(isset($_REQUEST['preview'])) {
 144                         preview();
 145                         exit();
 146                 } elseif(isset($_REQUEST['edit'])) {
 147                         tem_set('fields', $_REQUEST['fields']);
 148                         # fall through
 149                 } else {
 150                         die("Sorry... couldn't tell which button you pressed");
 151                 }
 152         }
 153
 154
 155         set_form_action();
 156         tem_load(__DIR__.'/'.'metaform/main.html');
 157         list_available_types();
 158         tem_output();
 159         exit(); # in case we're being called by wfpl_main or something
 160 }
 161
 162
 163 function field_input($type)  { return $GLOBALS['types'][$type][0]; }
 164 function field_format($type) { return $GLOBALS['types'][$type][1]; }
 165 function field_sql($type)    { return $GLOBALS['types'][$type][2]; }
 166
 167 function get_fields() {
 168         # no sense in doing all this so many times
 169         if(isset($GLOBALS['gotten_fields'])) {
 170                 return $GLOBALS['gotten_fields'];
 171         }
 172
 173         $fields_str = unix_newlines($_REQUEST['fields']);
 174         $GLOBALS['gotten_fields'] = array();
 175         $fields_str = rtrim($fields_str);
 176         $fields = split("\n", $fields_str);
 177         foreach($fields as $field) {
 178                 $field = trim($field);
 179                 if(substr($field, -1) == '{') {
 180                         $caption = trim(substr($field, 0, -1));
 181                         $name = format_varname($caption);
 182                         $type = '{';
 183                         $options = null;
 184                 # FIXME restore parsing of option lists for pulldowns
 185                 } else {
 186                         $options = null;
 187                         $type = null;
 188                         $div = strpos($field, ' ');
 189                         if ($div === false) {
 190                                 $div = strpos($field, "\t");
 191                         }
 192                         if ($div === false) {
 193                                 if (isset($GLOBALS['types'][$field])) {
 194                                         # if just one word, and it's a type, use it as name/caption and type
 195                                         $type = $field;
 196                                 }
 197                         } else {
 198                                 $first_word = trim(substr($field, 0, $div));
 199                                 if (isset($GLOBALS['types'][$first_word])) {
 200                                         # if the first word (of multiple) is a type, remove it from the name/caption
 201                                         $type = $first_word;
 202                                         $field = trim(substr($field, $div + 1));
 203                                 }
 204                         }
 205                         # see if there's an explicit name/caption splitter
 206                         $div = strpos($field, '|');
 207                         if ($div !== false) {
 208                                 $name = trim(substr($field, 0, $div));
 209                                 $caption = trim(substr($field, $div + 1));
 210                                 if (isset($GLOBALS['types'][$name])) {
 211                                         $type = $name;
 212                                 } elseif (isset($GLOBALS['types'][strtolower($caption)])) {
 213                                         $type = strtolower($caption);
 214                                 }
 215                         } else {
 216                                 $name = format_varname($field);
 217                                 $caption = format_caption($field);
 218                         }
 219
 220                         if ($type === null) {
 221                                 $type = 'textbox';
 222                         }
 223                 }
 224                 $input = field_input($type);
 225                 $format = field_format($type);
 226                 $sql = field_sql($type);
 227                 $GLOBALS['gotten_fields'][] = array(
 228                         'caption' => $caption,
 229                         'name' => $name,
 230                         'type' => $type,
 231                         'input' => $input,
 232                         'format' => $format,
 233                         'sql' => $sql,
 234                         'options' => $options
 235                 );
 236         }
 237
 238         return $GLOBALS['gotten_fields'];
 239 }
 240
 241 # this one, that you're using to create forms
 242 function set_form_action() {
 243         $action = ereg_replace('.*/', '', $_SERVER['REQUEST_URI']);
 244         if($action == '') $action = './';
 245         tem_set('form_action', $action);
 246 }
 247
 248 # perfect HTTP headers for viewing created files
 249 function view_headers() {
 250         header('Content-type: text/plain');
 251 }
 252
 253
 254
 255
 256 function make_sql() {
 257         $tem = new tem();
 258         $tem->load(__DIR__.'/'.'metaform/template.sql');
 259         tem_set_globals($tem);
 260         $fields = get_fields();
 261         foreach($fields as $field) {
 262                 if($field['sql'] != 'n/a') {
 263                         $tem->set('name', $field['name']);
 264                         $tem->set('type', $field['sql']);
 265                         if(substr($field['sql'], 0, 3) == 'int' || substr($field['sql'], 0, 7) == 'decimal') {
 266                                 $tem->set('default', '0');
 267                         } elseif($field['format'] == 'yesno') {
 268                                 $tem->set('default', '"No"');
 269                         } else {
 270                                 $tem->set('default', '""');
 271                         }
 272                         $tem->show('column');
 273                 }
 274         }
 275         view_headers();
 276         return $tem->run();
 277 }
 278
 279 function view_sql() {
 280         view_headers();
 281         echo make_sql();
 282 }
 283
 284 # always_field is a form field that always submits (unlike say, checkboxes). It's used to detect if the form has submitted or not.
 285 function find_always_field(&$fields) {
 286         foreach($fields as $field) {
 287                 if($field['input'] != 'submit' && $field['input'] != 'image' && $field['input'] != 'file' && $field['input'] != 'checkbox' && $field['input'] != 'radio' && $field['type'] != '{' && $field['type'] != '}') {
 288                         return $field['name'];
 289                 }
 290         }
 291
 292         return 'FIXME';
 293 }
 294
 295
 296
 297 # pass false if you want to exclude the <head> and <body> tag etc.
 298 function make_html($whole_file = true) {
 299         $has_html_editors = false;
 300         $tem = new tem();
 301         $tem->load(__DIR__.'/'.'metaform/template.html');
 302         tem_set_globals($tem);
 303         $fields = get_fields();
 304         $tem->set('always_field', find_always_field($fields));
 305         $hidden_fields = array();
 306         $visible_fields = array();
 307         $display_fields = array();
 308         $listing_headers = array();
 309         $listing_fields = array();
 310         foreach($fields as $field) {
 311                 if($field['input'] == 'hidden') {
 312                         $hidden_fields[] = array('name' => $field['name']);
 313                 } else {
 314                         $visible_fields[] = array(
 315                                 $field['input'] => array(
 316                                         'name' => $field['name'],
 317                                         'caption' => $field['caption']
 318                                 )
 319                         );
 320                 }
 321
 322                 if($field['input'] == 'image' || $field['input'] == 'file') {
 323                         $tem->set('uploads');
 324                         $tem->set('enctype_attr', '" enctype="multipart/form-data');
 325                 } elseif($field['input'] == 'html') {
 326                         $has_html_editors = true;
 327                         $tem->set('html_field_name', $field['name']);
 328                         $tem->set('replace_textarea');
 329                 }
 330
 331                 switch($field['input']) {
 332                         case 'image':
 333                         case 'checkbox':
 334                         case 'date':
 335                         case 'textarea':
 336                         case 'html':
 337                                 $display_type = $field['input'];
 338                         break;
 339                         default:
 340                                 $display_type = 'short';
 341                 }
 342                 if($field['format'] != 'n/a') {
 343                         $display_fields[] = array($display_type => array(
 344                                 'name' => $field['name'], 'caption' => $field['caption']));
 345                 }
 346
 347                 if(show_in_listing($field['type'], $field['input'], $field['format'], $field['sql'])) {
 348                         $listing_headers[] = array(
 349                                 'caption' => $field['caption'],
 350                                 'name' => $field['name']
 351                         );
 352                         $listing_field = array(
 353                                 'name' => $field['name']
 354                         );
 355                         if($field['format'] == 'bool' || $field['format'] == 'yesno') {
 356                                 $listing_field['enc'] = 'yesno';
 357                         } elseif($field['input'] == 'date') {
 358                                 $listing_field['enc'] = 'mmddyyyy';
 359                         } elseif($field['type'] == 'thumb') {
 360                                 $listing_field['thumb'] = true;
 361                         } else {
 362                                 $listing_field['enc'] = 'html';
 363                         }
 364                         $listing_fields[] = $listing_field;
 365                 }
 366         }
 367
 368         # Submit/Send button
 369         if($GLOBALS['opt_email'] == 'Yes' && !$GLOBALS['opt_db']) {
 370                 $visible_fields[] = array('submit' => array(
 371                         'name' => 'send',
 372                         'caption' => 'Send'));
 373         } else {
 374                 $visible_fields[] = array('submit' => array(
 375                         'name' => 'save',
 376                         'caption' => 'Save'));
 377         }
 378
 379         $form_fields = array();
 380         $form_fields['visible_fields'] = $visible_fields;
 381         if($hidden_fields) {
 382                 $form_fields['hidden_fields'] = $hidden_fields;
 383         }
 384         $tem->set('form', $form_fields);
 385
 386         # opt_display and opt_listing control whether these are actually displayed
 387         $tem->set('display_fields', $display_fields);
 388         $tem->set('listing_headers', $listing_headers);
 389         $tem->set('listing_fields', $listing_fields);
 390
 391
 392         if($has_html_editors) {
 393                 $tem->set('html_editor_headers');
 394         }
 395
 396         if($whole_file) {
 397                 return $tem->run();
 398         } else {
 399                 $tem2 = new tem();
 400                 $tem2->load_str('<!--~form~-->');
 401                 $tem2->merge($tem);
 402                 return $tem2->run();
 403         }
 404 }
 405
 406 function view_html() {
 407         view_headers();
 408         echo make_html();
 409 }
 410
 411 function show_in_listing($type, $input, $format, $sql) {
 412         switch($input) {
 413                 case 'submit':
 414                 case 'hidden':
 415                 case 'password':
 416                 case 'textarea':
 417                 case 'html':
 418                 case 'fieldset':
 419                 case 'end_fieldset':
 420                         return false;
 421         }
 422         if($type == 'image') {
 423                 return false;
 424         }
 425
 426         return true;
 427 }
 428
 429 function pulldown_options_array($options) {
 430         if($options) {
 431                 $pulldown_options = array();
 432                 foreach($options as $option) {
 433                         $option = preg_replace("/['\\\\]/", '\\\\$0', $option);
 434                         $pulldown_options[] = "'$option'";
 435                 }
 436                 $pulldown_options = 'array(' . join(', ', $pulldown_options) . ')';
 437         } else {
 438                 $pulldown_options = "array(array('op1', 'Option One'), array('op2', 'Option Two'), 'n/a')";
 439         }
 440
 441         return $pulldown_options;
 442 }
 443
 444 function make_php() {
 445         $has_html_editors = false;
 446         $tem = new tem();
 447         $tem->load(__DIR__.'/'.'metaform/template.php');
 448         tem_set_globals($tem);
 449         $fields = get_fields();
 450         $db_fields = '';
 451         $always_field = find_always_field($fields);
 452         $image_included_yet = false;
 453         $name_to_caption = array();
 454         foreach($fields as $field) {
 455                 $name_to_caption[] = array('name' => $field['name'], 'caption' => $field['caption']);
 456                 if($field['input'] != 'submit') {
 457                         $tem->set('format', $field['format']);
 458                         $tem->set('name', $field['name']);
 459                         $tem->set('db_field', ''); # we don't want to use the value from last time
 460                         if($field['sql'] != 'n/a') {
 461                                 if($db_fields != '') $db_fields .= ',';
 462                                 $db_fields .= $field['name'];
 463                         }
 464                         if($field['input'] == 'image') {
 465                                 if($field['type'] == 'thumb') {
 466                                         $tem->show('thumb_settings');
 467                                         $tem->show('thumb_upload_params');
 468                                         $tem->show('thumb_w_h');
 469                                 }
 470                                 $tem->show('image_settings');
 471                                 $tem->show('image_upload');
 472                                 $has_uploads = true;
 473                         } else if($field['input'] == 'file') {
 474                                 $tem->show('file_settings');
 475                                 $tem->show('file_upload');
 476                                 $has_uploads = true;
 477                         } else {
 478                                 if($field['input'] == 'html') {
 479                                         $has_html_editors = true;
 480                                 } elseif($field['input'] == 'pulldown' || $field['input'] == 'radio') {
 481                                         $pulldown_options = pulldown_options_array($field['options']);
 482                                         $tem->set('pulldown_options', $pulldown_options);
 483                                         $tem->set('has_pulldowns');
 484                                         $tem->show('pulldowns');
 485                                         $tem->show('pulldown_format_extra');
 486                                 }
 487                                 if($field['format'] != 'n/a') {
 488                                         $tem->show('formats');
 489                                 }
 490                         }
 491                 }
 492
 493                 if($GLOBALS['opt_listing']) {
 494                         if(show_in_listing($field['type'], $field['input'], $field['format'], $field['sql'])) {
 495                                 $tem->show('listing_fields_1');
 496                                 $tem->show('listing_fields_2');
 497                         }
 498                 }
 499         }
 500
 501         $tem->set('name_to_caption', $name_to_caption);
 502
 503         if($has_uploads) {
 504                 $tem->show('uploads_include');
 505                 $tem->show('upload_max');
 506                 $tem->show('upload_settings');
 507                 $image_included_yet = true;
 508         }
 509
 510         if($has_html_editors) {
 511                 $tem->show('show_extra_headers');
 512         }
 513
 514         $tem->set('always_field', $always_field);
 515         $tem->set('db_fields', $db_fields);
 516         $tem->set('metaform_url', edit_url());
 517         if($GLOBALS['opt_email']) {
 518                 $this_domain = $_SERVER['HTTP_HOST'];
 519                 if(substr($this_domain, -2) == '.l') {
 520                         $this_domain = substr($this_domain, 0, -1) . 'com';
 521                 }
 522                 $tem->set('this_domain', $this_domain);
 523         }
 524         return $tem->run();
 525 }
 526
 527 # make a URL for the edit page with all the fields filled in
 528 function edit_url() {
 529         $url = this_url();
 530         $url = ereg_replace('view_php=[^&]*', 'edit=yes', $url);
 531         $url = ereg_replace('download_tar=[^&]*', 'edit=yes', $url);
 532         $url = ereg_replace('/[a-z0-9_.]*\?', '/?', $url);
 533         return $url;
 534 }
 535
 536 function view_php() {
 537         view_headers();
 538         echo make_php();
 539 }
 540
 541 function make_email() {
 542         $tem = new tem();
 543         $tem->load(__DIR__.'/'.'metaform/template.email.txt');
 544         tem_set_globals($tem);
 545         $fields = get_fields();
 546         foreach($fields as $field) {
 547                 $tem->set('name', $field['name']);
 548                 $tem->set('caption', $field['caption']);
 549                 if($field['type'] == 'textarea') {
 550                         $tem->show('multi_line');
 551                 } elseif($field['type'] == 'checkbox') {
 552                         $tem->show('checkbox');
 553                 } else {
 554                         $tem->show('normal');
 555                 }
 556                 $tem->show('fields');
 557         }
 558         return $tem->run();
 559 }
 560
 561 function make_htaccess() {
 562         $tem = new tem();
 563         $tem->set('form', $GLOBALS['file_name']);
 564         return $tem->run(__DIR__.'/'.'metaform/htaccess');
 565 }
 566
 567 function view_email() {
 568         view_headers();
 569         echo make_email();
 570 }
 571
 572 function preview() {
 573         tem_load(__DIR__.'/'.'metaform/preview.html');
 574         tem_set_globals($GLOBALS['wfpl_template']);
 575         tem_set('fields', $_REQUEST['fields']);
 576         $preview_tem = new tem();
 577         $preview_tem->load_str(make_html(false));
 578         if($GLOBALS['opt_db']) {
 579                 $preview_tem->show('new_msg');
 580         }
 581         $fields = get_fields();
 582         foreach($fields as $field) {
 583                 if($field['type'] == 'pulldown' || $field['type'] == 'radio') {
 584                         pulldown($field['name'], eval('return ' . pulldown_options_array($field['options']) . ';'));
 585                 }
 586         }
 587         $preview = $preview_tem->run();
 588         unset($preview_tem);
 589         $preview = ereg_replace('type="submit"', 'type="submit" disabled="disabled"', $preview);
 590         tem_set('preview', $preview);
 591         tem_show('hiddens');
 592         set_form_action();
 593         tem_output();
 594 }
 595
 596 function download_tar() {
 597         $admin_name = $GLOBALS['file_name'];
 598         $nice_name = $GLOBALS['public_file_name'];
 599         $files = array(
 600                 "README" => "These files are meant to work with wfpl.\n\nSee: http://sametwice.com/wfpl\n",
 601                 ".htaccess" => make_htaccess(),
 602                 "config.php" => "<?php\n\nrequire_once(__DIR__.'/'.'inc/wfpl/main.php');\nmetaform_main();\n",
 603                 "styl.styl" => read_whole_file(__DIR__.'/'.'metaform/styl.styl'),
 604                 "template.html" => read_whole_file(__DIR__.'/'.'metaform/site-template.html'),
 605                 "$admin_name.html" => make_html(),
 606                 "$admin_name.php" => make_php());
 607         if($GLOBALS['opt_public_something']) {
 608                 $files["$nice_name.html ->"] = "$admin_name.html";
 609                 $files["$nice_name.php ->"] = "$admin_name.php";
 610         }
 611         if($GLOBALS['opt_db']) {
 612                 $files["$nice_name.sql"] = make_sql();
 613         }
 614         if($GLOBALS['opt_email']) {
 615                 $files["$nice_name.email.txt"] = make_email();
 616         }
 617         make_tar($nice_name, $files);
 618 }