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