views_ui.module

   1 <?php
   2 // $Id$
   3
   4 // ---------------------------------------------------------------------------
   5 // Drupal Hooks
   6
   7 /*
   8  * Implementation of hook_help()
   9  */
  10 function views_ui_help($section) {
  11   switch ($section) {
  12     case 'admin/help#views_ui':
  13       return _views_ui_help_add();
  14     case 'admin/build/views/import':
  15       return t('You may import a view by cut-and-pasting the results of an export view. If the import is successful you will be taken to the Add View page with all of the settings of the imported view..');
  16     case 'admin/build/views':
  17       return t('This screen shows all of the views that are currently defined in your system. The default views are provided by Views and other modules and are automatically available. If a customized view of the same name exists, it will be used in place of a default view.');
  18   }
  19   if (!strncmp($section, 'admin/build/views', 11)) {
  20     switch (arg(2)) {
  21       case 'add':
  22       case 'edit':
  23         return t('Please see !s or the views documentation on drupal.org for help here.', array('!s' => l(t('the views help page'), 'admin/help/views_ui')));
  24       case 'export':
  25         return t('You may cut & paste this view into an import function on another system. The view will only work if all modules required by the view are installed on the target location.');
  26     }
  27   }
  28 }
  29
  30 /*
  31  * Because the add/edit page is kind of complicated.
  32  */
  33 function _views_ui_help_add() {
  34   $output = t('<p>A view retrieves some number of nodes from the database and displays them in a variety of formats.</p>');
  35   $output .= t("<h3>View Types</h3>
  36     <dl>
  37       <dt><em>List View</em></dt><dd>A List View provides the data for each node retrieved in the form of an unordered list. Each item in the Fields section will be displayed; the Title will be displayed as a label. The order the items appear in the Fields list is the order the items will appear in the output. Leaving the title blank will cause the field to appear with no label (which is desirable in lists that just display titles, for example).</dd>
  38       <dt><em>Table View</em></dt><dd>A Table View provides the data for each node as one row of a table. The Fields selected in the Fields list will be displayed in the order they are listed. The title column will be shown in the header. If you set the field to 'sortable' then the header will be click-sortable; be careful here as click-sorts will be processed after built-in sort criteria, and built-in sort criteria can easily make click-sorts invalid. If using click-sorts, choose a field to be the default sort; otherwise the first field presented will be the default sort.</dd>
  39       <dt><em>Teaser List</em></dt><dd>A Teaser List will simply present the teaser of each node retrieved.</dd>
  40       <dt><em>Full Nodes</em></dt><dd>This will show the full content of each node retrieved.</dd>
  41       <dt><em>Random Teaser</em></dt><dd>This will show a single random teaser.</dd>
  42       <dt><em>Random Node</em></dt><dd>This will show a single random node's full view.</dd>
  43     </dl>");
  44
  45   views_load_cache();
  46   $output .= t("<h3>Fields</h3>\n");
  47   $output .= t("<p>When using List or Table view, it is necessary to choose which fields will be displayed to the user.</p><dl>\n");
  48   $fields = _views_get_fields();
  49   foreach ($fields as $field) {
  50     $output .= "<dt><em>$field[name]</em></dt><dd>$field[help]</dd>\n";
  51   }
  52   $output .= "</dl>\n";
  53
  54   $output .= t("<h3>Arguments</h3>\n");
  55   $output .= t("<p>Arguments can be passed to the View through the URL, in order to create views that are configurable by the user. This is very useful to create views for taxonomy, or to sort by user. When using arguments, substitution is performed on the title. %1 will represent argument 1, %2 will represent argument 2. Each argument has a title field; this title is used if providing a summary view (which can matter because the argument is missing which could result in confusing phrases such as 'view for')</p><dl>\n");
  56   $arguments = _views_get_arguments();
  57   foreach ($arguments as $argument) {
  58     $output .= "<dt><em>$argument[name]</em></dt><dd>$argument[help]</dd>\n";
  59   }
  60   $output .= "</dl>\n";
  61
  62   $output .= t("<h3>Filters</h3>\n");
  63   $output .= t("<p>Views may be filtered to restrict the view on a number of criteria.</p><dl>\n");
  64   $filters = _views_get_filters();
  65   foreach ($filters as $filter) {
  66     $output .= "<dt><em>$filter[name]</em></dt><dd>$filter[help]</dd>\n";
  67   }
  68   $output .= "</dl>\n";
  69
  70   $output .= t("<h3>Sorting Critera</h3>\n");
  71   $output .= t("<p>The result set may be sorted on any of the following criteria.</p><dl>\n");
  72   $sorts = _views_get_sorts();
  73   foreach ($sorts as $sort) {
  74     $output .= "<dt><em>$sort[name]</em></dt><dd>$sort[help]</dd>\n";
  75   }
  76   $output .= "</dl>\n";
  77
  78   return $output;
  79 }
  80
  81 /*
  82  * Implementation of hook_perm()
  83  */
  84 function views_ui_perm() {
  85   return array('administer views');
  86 }
  87
  88 /*
  89  * Implementation of hook_menu()
  90  */
  91 function views_ui_menu($may_cache) {
  92   $items = array();
  93
  94   if ($may_cache) {
  95     $items[] = array('path' => 'admin/build/views',
  96       'title' => t('Views'),
  97       'callback' => 'views_ui_admin_page',
  98       'access' => user_access('administer views'),
  99       'description' => t('Views are customized lists of content on your system; they are highly configurable and give you control over how lists of content are presented.'),
 100       'type' => MENU_NORMAL_ITEM);
 101     $items[] = array('path' => 'admin/build/views/list',
 102       'title' => t('List'),
 103       'callback' => 'views_ui_admin_page',
 104       'access' => user_access('administer views'),
 105       'type' => MENU_DEFAULT_LOCAL_TASK,
 106       'weight' => '-1');
 107     $items[] = array('path' => 'admin/build/views/add',
 108       'title' => t('Add'),
 109       'callback' => 'views_ui_admin_add_page',
 110       'access' => user_access('administer views'),
 111       'type' => MENU_LOCAL_TASK);
 112     $items[] = array('path' => 'admin/build/views/clone',
 113       'title' => t('Clone'),
 114       'callback' => 'views_ui_admin_clone_page',
 115       'access' => user_access('administer views'),
 116       'type' => MENU_CALLBACK);
 117     $items[] = array('path' => 'admin/build/views/edit',
 118       'title' => t('Edit view'),
 119       'callback' => 'views_ui_admin_edit_page',
 120       'access' => user_access('administer views'),
 121       'type' => MENU_CALLBACK);
 122     $items[] = array('path' => 'admin/build/views/import',
 123       'title' => t('Import'),
 124       'callback' => 'views_ui_admin_import_page',
 125       'access' => user_access('administer views'),
 126       'type' => MENU_LOCAL_TASK);
 127     $items[] = array('path' => 'admin/build/views/export',
 128       'title' => t('Export view'),
 129       'callback' => 'drupal_get_form',
 130       'callback arguments' => array('views_ui_admin_export_page'),
 131       'access' => user_access('administer views'),
 132       'type' => MENU_CALLBACK);
 133     $items[] = array('path' => 'admin/build/views/delete',
 134       'title' => t('Edit view'),
 135       'callback' => 'drupal_get_form',
 136       'callback arguments' => array('views_ui_admin_delete_confirm'),
 137       'access' => user_access('administer views'),
 138       'type' => MENU_CALLBACK);
 139     $items[] = array('path' => 'admin/build/views/enable',
 140       'callback' => 'views_ui_admin_enable_page',
 141       'access' => user_access('administer views'),
 142       'type' => MENU_CALLBACK);
 143     $items[] = array('path' => 'admin/build/views/disable',
 144       'callback' => 'views_ui_admin_disable_page',
 145       'access' => user_access('administer views'),
 146       'type' => MENU_CALLBACK);
 147
 148   }
 149   return $items;
 150 }
 151
 152 // ---------------------------------------------------------------------------
 153 // Administrative Pages
 154
 155 /*
 156  * This page lists all system views and provides links to edit them.
 157  */
 158 function views_ui_admin_page() {
 159   views_load_cache();
 160
 161   $numViews = 25;
 162
 163   drupal_set_title(t('administer views'));
 164
 165   $result = pager_query("SELECT vid, name, description, menu_title, page_title, block_title, url, page, menu, block FROM {view_view} ORDER BY name", $numViews);
 166
 167   while ($view = db_fetch_object($result)) {
 168     $url = ($view->page ? l($view->url, $view->url) : t('No Page View'));
 169     $provides = array();
 170     if ($view->page) {
 171       $provides[] = 'Page';
 172     }
 173     if ($view->block) {
 174       $provides[] = 'Block';
 175     }
 176     if ($view->menu) {
 177       $provides[] = 'Menu';
 178     }
 179     $items[] = array(
 180       $view->name,
 181       views_get_title($view, 'menu'),
 182       $view->description,
 183       implode(', ', $provides),
 184       $url,
 185       theme('links', array(
 186         array('title' => t('Edit'), 'href' => "admin/build/views/edit/$view->vid"),
 187         array('title' => t('Export'), 'href' => "admin/build/views/export/$view->vid"),
 188         array('title' => t('Delete'), 'href' => "admin/build/views/delete/$view->vid"),
 189         array('title' => t('Clone'), 'href' => "admin/build/views/clone/$view->vid"),
 190       ))
 191     );
 192   }
 193
 194   if ($items) {
 195     $output = theme('table', array(t('View'), t('Title'), t('Description'), t('Provides'), t('URL'), t('Actions')), $items, array("cellpadding" => "4"), t('Existing Views'));
 196     $output .= theme('pager', NULL, $numViews);
 197   }
 198   else {
 199     $output .= t('<p>No views have currently been defined.</p>');
 200   }
 201
 202   $result = db_query("SELECT name FROM {view_view}");
 203   while ($view = db_fetch_object($result)) {
 204     $used[$view->name] = true;
 205   }
 206
 207   $output .= t('<p>Below are system default views; if you edit one of these, a view will be created that will override any system use of the view.</p>');
 208   $items = array();
 209   $default_views = _views_get_default_views();
 210
 211   $views_status = variable_get('views_defaults', array());
 212
 213   foreach ($default_views as $view) {
 214     $url = ($view->page ? l($view->url, $view->url) : t('No Page View'));
 215
 216     if ($used[$view->name]) {
 217       $status = t('Overridden');
 218     }
 219     else if (isset($views_status[$view->name])) {
 220       if ($views_status[$view->name] == 'enabled') {
 221         $status = t('Enabled');
 222       }
 223       else {
 224         $status = t('Disabled');
 225       }
 226     }
 227     else if ($view->disabled) {
 228       $status = t('Disabled');
 229     }
 230     else {
 231       $status = t('Enabled');
 232     }
 233
 234     $provides = array();
 235     if ($view->page) {
 236       $provides[] = t('Page');
 237     }
 238     if ($view->block) {
 239       $provides[] = t('Block');
 240     }
 241     if ($view->menu) {
 242       $provides[] = t('Menu');
 243     }
 244
 245     $links = array();
 246     $links[] = array('title' => t('Add'), 'href' => "admin/build/views/add/$view->name");
 247     if ($status == t('Enabled')) {
 248       $links[] = array('title' => t('Disable'), 'href' => "admin/build/views/disable/$view->name");
 249     }
 250     else if ($status == t('Disabled')) {
 251       $links[] = array('title' => t('Enable'), 'href' => "admin/build/views/enable/$view->name");
 252     }
 253
 254     $items[] = array($view->name, views_get_title($view, 'menu'), $view->description, implode(', ', $provides), $url, $status, theme('links', $links));
 255   }
 256
 257   if ($items) {
 258     $output .= theme('table', array(t('Default view'), t('Title'), t('Description'), t('Provides'), t('URL'), t('Status'), t('Actions')), $items, array("cellpadding" => "4"), t('Default Views'));
 259   }
 260   else {
 261     $output .= t('<p>No views have currently been defined.</p>');
 262   }
 263
 264   return $output;
 265 }
 266
 267 /*
 268  * Page to enable a disabled default view
 269  */
 270 function views_ui_admin_enable_page($view = '') {
 271   views_load_cache();
 272
 273   if ($view) {
 274     $views_status = variable_get('views_defaults', array());
 275     $views_status[$view] = 'enabled';
 276     variable_set('views_defaults', $views_status);
 277     menu_rebuild();
 278   }
 279   drupal_goto('admin/build/views');
 280 }
 281
 282 /*
 283  * Page to disable an enabled default view
 284  */
 285 function views_ui_admin_disable_page($view = '') {
 286   views_load_cache();
 287
 288   if ($view) {
 289     $views_status = variable_get('views_defaults', array());
 290     $views_status[$view] = 'disabled';
 291     variable_set('views_defaults', $views_status);
 292     menu_rebuild();
 293   }
 294   drupal_goto('admin/build/views');
 295 }
 296
 297 /*
 298  * Provide a textarea to paste a view export into.
 299  */
 300 function views_ui_admin_import_page() {
 301   views_load_cache();
 302
 303   if ($_POST['form_id'] == 'views_edit_view') {
 304     return views_ui_admin_add_page();
 305   }
 306   drupal_set_title("Import a View");
 307
 308   return drupal_get_form('views_ui_admin_import', $form);
 309 }
 310
 311 function views_ui_admin_import() {
 312   $form['view'] = array(
 313     '#type' => 'textarea',
 314     '#title' => t('Import View Code'),
 315     '#cols' => 60,
 316     '#rows' => 6,
 317     '#description' => t('Cut and paste the results of an Export View here.'),
 318   );
 319
 320   $form['submit'] = array(
 321     '#type' => 'submit',
 322     '#value' => t("Submit"),
 323   );
 324
 325   $form['#redirect'] = NULL;
 326   return $form;
 327 }
 328
 329 /*
 330  * Handle the submit button on importing a view.
 331  */
 332 function views_ui_admin_import_submit($formid, $form) {
 333   ob_start();
 334   eval($form['view']);
 335   ob_end_clean();
 336
 337   $tables = array_keys(_views_get_tables());
 338   if ($view) {
 339     if (!is_array($view->requires) || !array_diff($view->requires, $tables)) {
 340       views_sanitize_view($view);
 341       drupal_set_title(t('Add a View'));
 342       $output = drupal_get_form('views_edit_view', $view, NULL);
 343       print theme('page', $output);
 344       exit;
 345     }
 346     else {
 347       drupal_set_message(t("You don't seem to have the following requirements: ") . implode(', ', array_diff($view->requires, $tables)));
 348     }
 349   }
 350   else {
 351     drupal_set_message(t('Unable to get a view out of that.'));
 352   }
 353 }
 354
 355 /*
 356  * Export a view for cut & paste.
 357  */
 358 function views_ui_admin_export_page($vid = '') {
 359   views_load_cache();
 360
 361   $code = views_create_view_code($vid);
 362   $lines = substr_count($code, "\n");
 363   $form['code'] = array(
 364     '#type' => 'textarea',
 365     '#title' => $view->name,
 366     '#default_value' => $code,
 367     '#rows' => $lines);
 368   return $form;
 369 }
 370
 371 /*
 372  * Provide a form to add a view. Allow adding a view from default templates.
 373  */
 374 function views_ui_admin_add_page($template = NULL) {
 375   views_load_cache();
 376
 377   $op = $_POST['op'];
 378   if ($op == t('Cancel')) {
 379     return 'admin/build/views';
 380   }
 381
 382   $view = _views_get_default_view($template);
 383
 384   drupal_set_title(t('Add a View'));
 385
 386   return drupal_get_form('views_edit_view', $view, $op);
 387 }
 388
 389 /*
 390  * Provide a form to clone a view.
 391  */
 392 function views_ui_admin_clone_page($viewname) {
 393   views_load_cache();
 394
 395   $op = $_POST['op'];
 396   if ($op == t('Cancel')) {
 397     return 'admin/build/views';
 398   }
 399
 400   $view = views_load_view($viewname);
 401   if (!$view) {
 402     return drupal_not_found();
 403   }
 404
 405   unset($view->vid);
 406   drupal_set_title(t('Add a View'));
 407
 408   return drupal_get_form('views_edit_view', $view, $op);
 409 }
 410
 411 /*
 412  * Provide a form to edit a view.
 413  */
 414 function views_ui_admin_edit_page($vid = '') {
 415   views_load_cache();
 416
 417   $op = $_POST['op'];
 418   if ($op == t('Cancel')) {
 419     drupal_goto('admin/build/views');
 420   }
 421
 422   if ($op == t('Delete')) {
 423     drupal_goto("admin/build/views/delete/$vid");
 424   }
 425
 426   if (!($view = _views_load_view($vid))) {
 427     drupal_goto('admin/build/views');
 428   }
 429
 430   drupal_set_title(t('Edit view %n', array('%n' => $view->name)));
 431   return drupal_get_form('views_edit_view', $view, $op);
 432 }
 433
 434 /*
 435  * Provide a form to confirm deletion of a view.
 436  */
 437 function views_ui_admin_delete_confirm($vid = '') {
 438   $view = _views_load_view($vid);
 439
 440   if (!$view) {
 441     return drupal_goto('admin/build/views');
 442   }
 443
 444   $form['vid'] = array('#type' => 'value', '#value' => $view->vid);
 445 // bdragon note: Did you mean to drop the above line on the floor with this?
 446   $form = confirm_form($form,
 447     t('Are you sure you want to delete %title?', array('%title' => $view->name)),
 448     $_GET['destination'] ? $_GET['destination'] : 'admin/build/views',
 449     t('This action cannot be undone.'),
 450     t('Delete'), t('Cancel')
 451   );
 452   return $form;
 453 }
 454
 455 /*
 456  * Handle the submit button to delete a view.
 457  */
 458 function views_ui_admin_delete_confirm_submit($form_id, $form) {
 459   _views_delete_view((object) $form);
 460   menu_rebuild();
 461   drupal_goto('admin/build/views');
 462 }
 463
 464 /*
 465  * Get an empty view with basic defaults.
 466  */
 467 function _views_get_default_view($template = '') {
 468   if ($template) {
 469     $default_views = _views_get_default_views();
 470     if (isset($default_views[$template])) {
 471       $view = $default_views[$template];
 472     }
 473   }
 474   if (!$view) {
 475     $view = new stdClass();
 476     $view->use_pager = true;
 477     $view->nodes_per_page = variable_get('default_nodes_main', 10);
 478     $view->page_header_format = variable_get('filter_default_format', 1);
 479     $view->page_footer_format = variable_get('filter_default_format', 1);
 480     $view->page_header_format = variable_get('filter_default_format', 1);
 481     $view->block_header_format = variable_get('filter_default_format', 1);
 482     $view->block_footer_format = variable_get('filter_default_format', 1);
 483     $view->block_header_format = variable_get('filter_default_format', 1);
 484     $view->vid = 0;
 485   }
 486
 487   return _views_check_arrays($view);
 488 }
 489
 490 // ---------------------------------------------------------------------------
 491 // Select Box Definitions
 492
 493 // These should probably have string array keys that are easier to identify.
 494
 495 /**
 496  * Select box entries for argument defaults.
 497  */
 498 function _views_get_arguments_default() {
 499   return array(
 500     1 => t('Return Page Not Found'),
 501     2 => t('Display All Values'),
 502     3 => t('Summary, unsorted'),
 503     4 => t('Summary, sorted ascending'),
 504     5 => t('Summary, sorted descending'),
 505     6 => t('Summary, sorted as view'),
 506     7 => t('Use Empty Text'),
 507    );
 508 }
 509
 510 /**
 511  * Select box entries for sort ordering.
 512  */
 513 function _views_sortorders() {
 514   return array(
 515     'ASC' => t('Ascending'),
 516     'DESC' => t('Descending')
 517   );
 518 }
 519
 520 /**
 521  * Swap two items in an array.
 522  */
 523 function _views_swap(&$arr, $a, $b) {
 524   $temp = $arr[$a];
 525   $arr[$a] = $arr[$b];
 526   $arr[$b] = $temp;
 527 }
 528
 529 /**
 530  * Move an item up in an array.
 531  */
 532 function _views_move_up(&$arr, $i) {
 533   if ($i <= 0 || $i >= count($arr)) {
 534     return; // can't do it.
 535   }
 536   _views_swap($arr, $i - 1, $i);
 537 }
 538
 539 /**
 540  * Move an item down in an array.
 541  */
 542 function _views_move_down(&$arr, $i) {
 543   if ($i >= count($arr) - 1 || $i < 0) {
 544     return; // can't do it.
 545   }
 546   _views_swap($arr, $i + 1, $i);
 547 }
 548
 549 /**
 550  * Move an item to the front of an array.
 551  */
 552 function _views_move_top(&$arr, $i) {
 553   if ($i <= 0 || $i >= count($arr)) {
 554     return; // can't do it.
 555   }
 556   $temp = $arr[$i];
 557   for ($x = $i; $x > 0; $x--)
 558     $arr[$x] = $arr[$x - 1];
 559   $arr[0] = $temp;
 560 }
 561
 562 /**
 563  * Move an item to the end of an array.
 564  */
 565 function _views_move_bottom(&$arr, $i) {
 566   $end = count($arr) - 1;
 567   if ($i >= $end || $i < 0) {
 568     return; // can't do it.
 569   }
 570   $temp = $arr[$i];
 571   for ($x = $i; $x < $end; $x++)
 572     $arr[$x] = $arr[$x + 1];
 573   $arr[$end] = $temp;
 574 }
 575
 576 /**
 577  * Figure out which of the many, many buttons on a form were clicked and
 578  * handle it.
 579  */
 580 function _views_check_sub_ops(&$form, &$order, $i) {
 581
 582   if ($form['delete']['#value']) {
 583     unset($form['delete']['#value']);
 584     unset($order[$i]);
 585     $order = array_values($order); // reindex
 586     $form['delete']['#printed'] = true;
 587     $form['up']['#printed'] = true;
 588     $form['down']['#printed'] = true;
 589     $form['top']['#printed'] = true;
 590     $form['bottom']['#printed'] = true;
 591     return 'delete';
 592   }
 593   else foreach (array('up', 'down', 'top', 'bottom') as $dir) {
 594     if ($form[$dir]['#value']) {
 595       unset ($form[$dir]['#value']);
 596       $func = "_views_move_$dir";
 597       $func($order, $i);
 598       return true;
 599     }
 600   }
 601   return false;
 602 }
 603
 604 /**
 605  * Figure out if one of the add buttons on a form were clicked, and handle it.
 606  */
 607 function _views_check_ops(&$view, $op, $form) {
 608   if ($op == t('Add Filter')) {
 609     $view->new_filter['id'] = $form['filter']['add']['id']['#value'];
 610     return 'filter';
 611   }
 612   else if ($op == t('Add Criteria')) {
 613     $view->new_sort['id'] = $form['sort']['add']['id']['#value'];
 614     return 'sort';
 615   }
 616   else if ($op == t('Add Argument')) {
 617     $view->new_argument['id'] = $form['argument']['add']['id']['#value'];
 618     return 'argument';
 619   }
 620   else if ($op == t('Add Field')) {
 621     $fieldbits = explode('.', $form['field']['add']['id']['#value']);
 622     $view->new_field['id'] = $form['field']['add']['id']['#value'];
 623     $view->new_field['tablename'] = $fieldbits[0];
 624     $view->new_field['field'] = $fieldbits[1];
 625     $view->new_field['label'] = $fieldnames[$form['field']['add']['id']['#value']];
 626     $view->new_field['queryname'] = "$fieldbits[0]_$fieldbits[1]";
 627     return 'field';
 628   }
 629   else if ($op == t('Expose Filter')) {
 630     $view->new_exposed_filter['id'] = $form['exposed_filter']['add']['id']['#value'];
 631     return 'filter';
 632   }
 633 }
 634
 635 /**
 636  * Custom form element to do our nice images.
 637  */
 638 function views_elements() {
 639   $type['views_imagebutton'] = array('#input' => TRUE, '#button_type' => 'submit',);
 640   return $type;
 641 }
 642
 643 function theme_views_imagebutton($element) {
 644   return '<input type="image" class="form-'. $element['#button_type'] .'" name="'. $element['#name'] .'" value="'. check_plain($element['#default_value']) .'" '. drupal_attributes($element['#attributes']) . ' src="' . $element['#image'] . '" alt="' . $element['#title'] . '" title="' . $element['#title'] . "\" />\n";
 645 }
 646
 647 function views_imagebutton_value() {
 648   // null function guarantees default_value doesn't get moved to #value.
 649 }
 650
 651 /**
 652  * Set up the dynamic #options on a widget
 653  */
 654 function views_ui_setup_widget($widget, $default_value, $argument = NULL) {
 655   if (!$argument) {
 656     $argument = $widget;
 657   }
 658
 659   if (is_string($widget['#options']) && function_exists($widget['#options'])) {
 660     $widget['#options'] = $widget['#options']('option', $argument);
 661   }
 662   if ($widget['#multiple'] && is_array($widget['#options'])) {
 663     $widget['#size'] = min(count($widget['#options']), 8);
 664   }
 665   $widget['#default_value'] = $default_value;
 666   return $widget;
 667 }
 668
 669 /**
 670  * Display all the guts of a view in a form for editing.
 671  */
 672 function views_edit_view($view, $op = '') {
 673   _views_check_arrays($view); // make sure arrays that might be empty get set
 674
 675   // Put in all our add buttons, then process them to see if they've been hit.
 676   $form = array();
 677   views_ui_add_add_button($form, 'field', _views_get_fields(true), t('Add Field'));
 678   views_ui_add_add_button($form, 'argument', _views_get_arguments(true), t('Add Argument'));
 679   views_ui_add_add_button($form, 'filter', _views_get_filters(true), t('Add Filter'));
 680   views_ui_add_add_button($form, 'sort', _views_get_sorts(true), t('Add Criteria'));
 681
 682   $allbut = _views_check_ops($view, $op, $form);
 683   if ($_POST['edit'] && $op != t('Save')) {
 684     drupal_set_message(t('You have modified this view; changes will not be recorded until you Save the form.'));
 685   }
 686
 687   $form['exposed_filter'] = array();
 688   foreach (array('field', 'argument', 'filter', 'exposed_filter', 'sort') as $section) {
 689     if (views_ui_add_section($form[$section], $view, $section)) {
 690       $allbut = $section;
 691     }
 692   }
 693
 694   $form['vid'] = array(
 695     '#type' => 'value',
 696     '#value' => $view->vid,
 697   );
 698   $form['allbut'] = array(
 699     '#type' => 'value',
 700     '#value' => $allbut,
 701   );
 702   $form['changed'] = array(
 703     '#type' => 'hidden',
 704     '#value' => $view->changed,
 705   );
 706
 707   $form['basic-info'] = array(
 708     '#type' => 'fieldset',
 709     '#collapsible' => true,
 710     '#collapsed' => ($allbut != NULL),
 711     '#title' => t('Basic Information'),
 712   );
 713
 714   $form['basic-info']['name'] = array(
 715     '#type' => 'textfield',
 716     '#title' => t('Name'),
 717     '#default_value' => $view->name,
 718     '#size' => 20,
 719     '#maxlength' => 32,
 720     '#description' => t('The unique identifier of the view; it is only important for overridden views and views that modules or themes will need to use. Only alphanumeric and _ allowed here'),
 721     '#required' => true,
 722   );
 723
 724   $form['basic-info']['access'] = array(
 725     '#type' => 'checkboxes',
 726     '#title' => t('Access'),
 727     '#default_value' => $view->access,
 728     '#options' => views_handler_filter_role(),
 729     '#description' => t('Only the checked roles will be able to see this view in any form; if no roles are checked, access will not be restricted.'),
 730   );
 731
 732   $form['basic-info']['description'] = array(
 733     '#type' => 'textfield',
 734     '#title' => t('Description'),
 735     '#default_value' => $view->description,
 736     '#size' => 60,
 737     '#maxlength' => 255,
 738     '#description' => t('A description of the view for the admin list.'),
 739   );
 740
 741   // page info
 742
 743   $form['page-info'] = array(
 744     '#type' => 'fieldset',
 745     '#collapsible' => true,
 746     '#collapsed' => ($allbut != NULL || !$view->page),
 747     '#title' => t('Page'),
 748   );
 749
 750   $form['page-info']['page'] = array(
 751     '#type' => 'checkbox',
 752     '#title' => t('Provide Page View'),
 753     '#return_value' => 1,
 754     '#default_value' => $view->page,
 755     '#description' => t('If checked this view will be provided as a page. If not checked, the fields in this group will be ignored.'),
 756   );
 757
 758   $form['page-info']['url'] = array(
 759     '#type' => 'textfield',
 760     '#title' => t('URL'),
 761     '#default_value' => $view->url,
 762     '#size' => 60,
 763     '#maxlength' => 255,
 764     '#description' => t('Enter the URL to use for this view in the form of \'dir/dir\'. Do not begin or end the URL with a /. Example: \'view/tracker\'. This is required if providing a page view. You can also add $arg as a placeholder for arguments passed in the URL, for example \'user/$arg/tracker\' or \'view/taxonomy/$arg\'. Note that any arguments listed here will be required, even if they are listed as optional below.  You do not need to list arguments at the end of the path.'),
 765   );
 766
 767   $form['page-info']['page_type'] = array(
 768     '#type' => 'select',
 769     '#title' => t('View Type'),
 770     '#default_value' => $view->page_type,
 771     '#options' => _views_get_style_plugins(true),
 772     '#description' => t('How the nodes should be displayed to the user.'),
 773   );
 774
 775   $form['page-info']['page_title'] = array(
 776     '#type' => 'textfield',
 777     '#title' => t('Title'),
 778     '#default_value' => $view->page_title,
 779     '#size' => 60,
 780     '#maxlength' => 255,
 781     '#description' => t('The title that be shown at the top of the view. May be blank. This title ignores arguments; if you want your title to take arguments into account, use the "title" field in the arguments section.'),
 782   );
 783
 784   $form['page-info']['use_pager'] = array(
 785     '#type' => 'checkbox',
 786     '#title' => t('Use Pager'),
 787     '#return_value' => 1,
 788     '#default_value' => $view->use_pager,
 789     '#description' => t('If checked this query may be multiple pages. If not checked this query will be one page.'),
 790   );
 791   $form['page-info']['breadcrumb_no_home'] = array(
 792     '#type' => 'checkbox',
 793     '#title' => t('Breadcrumb trail should not include "Home"'),
 794     '#return_value' => 1,
 795     '#default_value' => $view->breadcrumb_no_home,
 796     '#description' => t('If checked the breadcrumb trail for this page will discard "Home". Usually you will not set this, but this is used for the Front Page View, where it IS Home and should not leave a trail to itself.'),
 797   );
 798   $form['page-info']['nodes_per_page'] = array(
 799     '#type' => 'textfield',
 800     '#title' => t('Nodes per Page'),
 801     '#default_value' => intval($view->nodes_per_page),
 802     '#size' => 5,
 803     '#maxlength' => 5,
 804     '#description' => t('The number of nodes to display per page. If 0, all nodes will be displayed. If not using a pager, this will be the maximum number of nodes in the list.'),
 805     '#attributes' => NULL,
 806   );
 807   $form['page-info']['page_header_fieldset'] = array(
 808     '#type' => 'fieldset',
 809     '#collapsible' => TRUE,
 810     '#collapsed' => TRUE,
 811     '#title' => t('Header'),
 812   );
 813   $form['page-info']['page_header_fieldset']['page_header'] = array(
 814     '#type' => 'textarea',
 815     '#default_value' => $view->page_header,
 816     '#cols' => 60,
 817     '#rows' => 6,
 818     '#description' => t('Text to display at the top of the view. May contain an explanation or links or whatever you like. Optional.'),
 819   );
 820
 821   $form['page-info']['page_header_fieldset']['page_header_format'] = filter_form($view->page_header_format, 1, array('page_header_format'));
 822
 823   $form['page-info']['page_footer_fieldset'] = array(
 824     '#type' => 'fieldset',
 825     '#collapsible' => TRUE,
 826     '#collapsed' => TRUE,
 827     '#title' => t('Footer'),
 828   );
 829   $form['page-info']['page_footer_fieldset']['page_footer'] = array(
 830     '#type' => 'textarea',
 831     '#default_value' => $view->page_footer,
 832     '#cols' => 60,
 833     '#rows' => 6,
 834     '#description' => t('Text to display at the bottom of the view. May contain an explanation or links or whatever you like. Optional.'),
 835   );
 836
 837   $form['page-info']['page_footer_fieldset']['page_footer_format'] = filter_form($view->page_footer_format, 1, array('page_footer_format'));
 838
 839   $form['page-info']['page_empty_fieldset'] = array(
 840     '#type' => 'fieldset',
 841     '#collapsible' => TRUE,
 842     '#collapsed' => TRUE,
 843     '#title' => t('Empty Text'),
 844   );
 845   $form['page-info']['page_empty_fieldset']['page_empty'] = array(
 846     '#type' => 'textarea',
 847     '#default_value' => $view->page_empty,
 848     '#cols' => 60,
 849     '#rows' => 6,
 850     '#description' => t('Text to display if a view returns no nodes. Optional.'),
 851   );
 852
 853   $form['page-info']['page_empty_fieldset']['page_empty_format'] = filter_form($view->page_empty_format, 1, array('page_empty_format'));
 854
 855   $form['page-info']['menu-info'] = array(
 856     '#type' => 'fieldset',
 857     '#collapsible' => TRUE,
 858     '#collapsed' => TRUE,
 859     '#title' => t('Menu'),
 860   );
 861
 862   $form['page-info']['menu-info']['menu'] = array(
 863     '#type' => 'checkbox',
 864     '#title' => t('Provide Menu'),
 865     '#return_value' => 1,
 866     '#default_value' => $view->menu,
 867     '#description' => t('If checked this view be given a menu entry in the Drupal menu system. If not checked the data in this group will be ignored.'),
 868   );
 869
 870   $form['page-info']['menu-info']['menu_tab'] = array(
 871     '#type' => 'checkbox',
 872     '#title' => t('Provide Menu as Tab'),
 873     '#return_value' => 1,
 874     '#default_value' => $view->menu_tab,
 875     '#description' => t("If checked this view's menu entry will be provided as a tab rather than in the main menu system."),
 876   );
 877
 878   $form['page-info']['menu-info']['menu_tab_default'] = array(
 879     '#type' => 'checkbox',
 880     '#title' => t('Make Default Menu Tab'),
 881     '#return_value' => 1,
 882     '#default_value' => $view->menu_tab_default,
 883     '#description' => t("If checked this view's menu entry will be provided as a tab, and will be the default tab for that URL path. For example, if the URL is 'tracker/all' and it is set as the default menu tab, it will be put into the menu as 'tracker' and 'tracker/all' will be the default tab. For tabs to work properly, one tab in the group must be set as the default."),
 884   );
 885
 886   $form['page-info']['menu-info']['menu_tab_weight'] = array(
 887     '#type' => 'textfield',
 888     '#title' => t('Tab Weight'),
 889     '#default_value' => $view->menu_tab_weight,
 890     '#width' => 10,
 891     '#description' => t('If this is a menu tab, select the weight; lower numbers will be further to the left.'),
 892   );
 893
 894   $form['page-info']['menu-info']['menu_title'] = array(
 895     '#type' => 'textfield',
 896     '#title' => t('Menu Title'),
 897     '#default_value' => $view->menu_title,
 898     '#size' => 60,
 899     '#maxlength' => 255,
 900     '#description' => t('Enter the title to use for the menu entry or tab. If blank, the page title will be used.'),
 901   );
 902
 903   // block info
 904
 905   $form['block-info'] = array(
 906     '#type' => 'fieldset',
 907     '#collapsible' => true,
 908     '#collapsed' => ($allbut != NULL || !$view->block),
 909     '#title' => t('Block'),
 910   );
 911
 912   $form['block-info']['block'] = array(
 913     '#type' => 'checkbox',
 914     '#title' => t('Provide Block'),
 915     '#return_value' => 1,
 916     '#default_value' => $view->block,
 917     '#description' => t('If checked this view will be provided as a block. If checked title may not be blank.'),
 918   );
 919
 920   $form['block-info']['block_type'] = array(
 921     '#type' => 'select',
 922     '#title' => t('View Type'),
 923     '#default_value' => $view->block_type,
 924     '#options' => _views_get_style_plugins(true),
 925     '#description' => t('How the nodes should be displayed to the user.'),
 926   );
 927
 928   $form['block-info']['block_title'] = array(
 929     '#type' => 'textfield',
 930     '#title' => t('Title'),
 931     '#default_value' => $view->block_title,
 932     '#size' => 60,
 933     '#maxlength' => 255,
 934     '#description' => t('The title that will be shown at the top of the block. May be blank.'),
 935   );
 936
 937   $form['block-info']['nodes_per_block'] = array(
 938     '#type' => 'textfield',
 939     '#title' => t('Nodes per Block'),
 940     '#default_value' => $view->nodes_per_block,
 941     '#size' => 2,
 942     '#maxlength' => 2,
 943     '#description' => t('If using a block, the maximum number of items to display in the block. Pagers are not used in blocks.'),
 944     '#attributes' => NULL,
 945   );
 946
 947   $form['block-info']['block_more'] = array(
 948     '#type' => 'checkbox',
 949     '#title' => t('[More] Link?'),
 950     '#return_value' => 1,
 951     '#default_value' => $view->block_more,
 952     '#description' => t('If using a view as both a page and a block, display a more link in the block that links to the view URL?'),
 953   );
 954
 955   $form['block-info']['block_header_fieldset'] = array(
 956     '#type' => 'fieldset',
 957     '#collapsible' => TRUE,
 958     '#collapsed' => TRUE,
 959     '#title' => t('Header'),
 960   );
 961   $form['block-info']['block_header_fieldset']['block_use_page_header'] = array(
 962     '#type' => 'checkbox',
 963     '#title' => t('Use Page Header'),
 964     '#return_value' => 1,
 965     '#default_value' => $view->block_use_page_header,
 966     '#description' => t('If checked, use the Page Header for block view instead. If so, you should leave the Block Header blank.'),
 967   );
 968
 969   $form['block-info']['block_header_fieldset']['block_header'] = array(
 970     '#type' => 'textarea',
 971     '#title' => t('Header'),
 972     '#default_value' => $view->block_header,
 973     '#cols' => 60,
 974     '#rows' => 6,
 975     '#description' => t('Text to display at the top of the view. May contain an explanation or links or whatever you like. Optional.'),
 976   );
 977
 978   $form['block-info']['block_header_fieldset']['block_header_format'] = filter_form($view->block_header_format, 1, array( 'block_header_format'));
 979
 980   $form['block-info']['block_footer_fieldset'] = array(
 981     '#type' => 'fieldset',
 982     '#collapsible' => TRUE,
 983     '#collapsed' => TRUE,
 984     '#title' => t('Footer'),
 985   );
 986   $form['block-info']['block_footer_fieldset']['block_use_page_footer'] = array(
 987     '#type' => 'checkbox',
 988     '#title' => t('Use Page Footer'),
 989     '#return_value' => 1,
 990     '#default_value' => $view->block_use_page_footer,
 991     '#description' => t('If checked, use the page footer for block view instead. If so, you should leave the block footer blank.'),
 992   );
 993
 994   $form['block-info']['block_footer_fieldset']['block_footer'] = array(
 995     '#type' => 'textarea',
 996     '#title' => t('Footer'),
 997     '#default_value' => $view->block_footer,
 998     '#cols' => 60,
 999     '#rows' => 6,
1000     '#description' => t('Text to display at the bottom of the view. May contain an explanation or links or whatever you like. Optional.'),
1001   );
1002
1003   $form['block-info']['block_footer_fieldset']['block_footer_format'] = filter_form($view->block_footer_format, 1, array( 'block_footer_format'));
1004
1005   $form['block-info']['block_empty_fieldset'] = array(
1006     '#type' => 'fieldset',
1007     '#collapsible' => TRUE,
1008     '#collapsed' => TRUE,
1009     '#title' => t('Empty text'),
1010   );
1011   $form['block-info']['block_empty_fieldset']['block_use_page_empty'] = array(
1012     '#type' => 'checkbox',
1013     '#title' => t('Use Page empty'),
1014     '#return_value' => 1,
1015     '#default_value' => $view->block_use_page_empty,
1016     '#description' => t('If checked, use the Page Empty Text for block view instead. If so, you should leave the block empty text blank.'),
1017   );
1018
1019   $form['block-info']['block_empty_fieldset']['block_empty'] = array(
1020     '#type' => 'textarea',
1021     '#title' => t('Empty text'),
1022     '#default_value' => $view->block_empty,
1023     '#cols' => 60,
1024     '#rows' => 6,
1025     '#description' => t('Text to display if a view results in no nodes. Optional.'),
1026   );
1027
1028   $form['block-info']['block_empty_fieldset']['block_empty_format'] = filter_form($view->block_empty_format, 1, array( 'block_empty_format'));
1029
1030   $access = user_access('use PHP for block visibility');
1031   if ($access) {
1032     $form['view_args_php_fieldset'] = array(
1033       '#type' => 'fieldset',
1034       '#collapsible' => TRUE,
1035       '#collapsed' => empty($view->view_args_php) ? TRUE : FALSE,
1036       '#title' => t('Argument Handling Code'),
1037     );
1038
1039     $form['view_args_php_fieldset']['view_args_php'] = array(
1040       '#type' => 'textarea',
1041       '#title' => t('Argument Code'),
1042       '#default_value' => $view->view_args_php,
1043       '#cols' => 60,
1044       '#rows' => 6,
1045       '#description' => '<p>'. t('Advanced Usage Only: PHP code that returns a custom array of arguments for the view. Should not include &lt;?php ?&gt; delimiters.') .'</p>' .
1046                         '<p>'. t('For more information, please see the <a href="!arg">Argument Handling Code documentation</a> in the Drupal handbook.', array('%arg' => 'http://drupal.org/node/70145')) .'</p>',
1047     );
1048   } else {
1049     $form['view_args_php_fieldset']['view_args_php'] = array(
1050       '#type' => 'value',
1051       '#value' => $view->view_args_php,
1052     );
1053   }
1054
1055   $form['save'] = array(
1056     '#type' => 'submit',
1057     '#value' => t('Save'),
1058   );
1059   if ($view->vid) {
1060     $form['delete'] = array(
1061       '#type' => 'submit',
1062       '#value' => t('Delete'),
1063     );
1064   }
1065   $form['cancel'] = array(
1066     '#type' => 'submit',
1067     '#value' => t('Cancel'),
1068   );
1069
1070   return $form;
1071 }
1072
1073 /**
1074  * separately build a piece of the form
1075  */
1076 function views_ui_build_form(&$form) {
1077   // NOT REALLY SURE WHY THIS SORT OF WORKS. IT'S MAGIC THAT CHX POINTED ME TO
1078   // IN THE POLL MODULE.
1079   $form['#post'] = $_POST;
1080   $form = form_builder('views_edit_view', $form);
1081 }
1082
1083 /**
1084  * Add the 'add' button for a section into the form
1085  */
1086 function views_ui_add_add_button(&$form, $section, $options, $label) {
1087   $form[$section]['add'] = array('#tree' => true, '#parents' => array($section, 'add'));
1088
1089   $form[$section]['add']['id'] = array(
1090     '#type' => 'select',
1091     '#options' => $options,
1092   );
1093   $form[$section]['add']['button'] = array(
1094     '#type' => 'button',
1095     '#value' => $label,
1096   );
1097   views_ui_build_form($form[$section]['add']);
1098 }
1099
1100 /**
1101  * Add one of the list sections to the form.
1102  */
1103 function views_ui_add_section(&$form, &$view, $section) {
1104   // add fields to the form.
1105
1106   $form += array('#tree' => true, '#parents' => array($section));
1107   $view_section = &$view->$section;
1108
1109   $num_items = count($view_section);
1110   // Populate the form with fields we need to check to track
1111   // changes through the form's life.
1112   $form['count'] = array('#type' => 'hidden', '#default_value' => $num_items);
1113
1114   $form['order'] = array(
1115     '#type' => 'hidden',
1116     '#default_value' => $num_items ? implode(',', range(0, $num_items - 1)) : '',
1117   );
1118
1119   // Run the builder to get the value on the form.
1120   views_ui_build_form($form);
1121   $order = $form['order']['#value'] != ''
1122     ? explode(',', $form['order']['#value'])
1123     : array();
1124
1125   // Shortcut because operator precedence gets sticky if using $foo->$bar[]
1126   for ($i = $num_items; $i < $form['count']['#value']; $i++) {
1127     $view_section[] = array();
1128   }
1129
1130   $new_section = "new_$section";
1131   // instantiate the new field if one was added.
1132   if ($view->$new_section) {
1133     $view_section[] = $view->$new_section;
1134     $order[] = $form['count']['#value'];
1135     $form['count']['#value']++;
1136   }
1137
1138   $func = "views_ui_add_$section";
1139   if ($order) {
1140     foreach ($order as $key => $i) {
1141       $form[$i] = array('#tree' => true, '#parents' => array($section, $i));
1142
1143       $form[$i]['id'] = array(
1144         '#type' => 'hidden',
1145         '#default_value' => $view_section[$i]['id'],
1146       );
1147
1148       views_ui_add_buttons($form[$i]);
1149       views_ui_build_form($form[$i]);
1150
1151       $retval = _views_check_sub_ops($form[$i], $order, $key);
1152       if ($retval !== 'delete') {
1153         $retval2 = $func($form[$i], $view_section[$i], $order, $key, $i, $view);
1154       }
1155
1156       if ($retval || $retval2) {
1157         $allbut = $section;
1158       }
1159     }
1160     $form['order']['#value'] = implode(',', $order);
1161   }
1162   return $allbut;
1163 }
1164
1165 /**
1166  * Add all the info for a single field into the form.
1167  */
1168 function views_ui_add_field(&$form, $field, &$order, $key, $i) {
1169   $fields = _views_get_fields();
1170   $fieldname = $form['id']['#value']; // combined table & fieldname
1171   $fieldinfo = $fields[$fieldname]; // laziness + readability
1172
1173   $form['fullname'] = array(
1174     '#type' => 'hidden',
1175     '#default_value' => $field['id'],
1176   );
1177
1178   $form['name'] = array(
1179     '#type' => 'markup',
1180     '#value' => $fieldinfo['name'], // combined table & fieldname
1181   );
1182   $form['queryname'] = array(
1183     '#type' => 'hidden',
1184     '#default_value' => $field['queryname'],
1185   );
1186   $form['tablename'] = array(
1187     '#type' => 'hidden',
1188     '#default_value' => $field['tablename'],
1189   );
1190   $form['field'] = array(
1191     '#type' => 'hidden',
1192     '#default_value' => $field['field'],
1193   );
1194
1195   $form['label'] = array(
1196     '#type' => 'textfield',
1197     '#default_value' => $field['label'],
1198     '#size' => 15,
1199     '#maxlength' => 255,
1200   );
1201
1202   if (is_array($fieldinfo['handler'])) {
1203     $form['handler'] = array(
1204       '#type' => 'select',
1205       '#default_value' => $field['handler'],
1206       '#options' => $fieldinfo['handler'],
1207     );
1208   }
1209
1210   if (isset($fieldinfo['option'])) {
1211     $form['options'] = views_ui_setup_widget($fieldinfo['option'], $field['options']);
1212   }
1213
1214
1215   if ($fieldinfo['sortable']) {
1216     $form['sortable'] = array(
1217       '#type' => 'select',
1218       '#default_value' => $field['sortable'],
1219       '#options' => array('0' => t('No'), '1' => t('Yes')),
1220     );
1221     $form['defaultsort'] = array(
1222       '#type' => 'select',
1223       '#default_value' => $field['defaultsort'],
1224       '#options' => array('0' => t('None'), 'ASC' => t('Ascending'), 'DESC' => t('Descending')),
1225     );
1226   }
1227   if (isset($fieldinfo['help'])) {
1228     $form['help'] = array(
1229       '#type' => 'markup',
1230       '#value' => '<div class="description">' . $fieldinfo['help'] . '</div>',
1231     );
1232   }
1233 }
1234
1235 /**
1236  * Add all the info for a single argument into the form.
1237  */
1238 function views_ui_add_argument(&$form, $argument, &$order, $key, $i) {
1239   $arguments = _views_get_arguments();
1240   $arg_type = $form['id']['#value'];
1241   $arginfo = $arguments[$arg_type];
1242
1243   $form['type'] = array(
1244     '#type' => 'hidden',
1245     '#default_value' => $argument['id'],
1246   );
1247
1248   $form['name'] = array(
1249     '#value' => $arginfo['name'],
1250   );
1251
1252   $form['argdefault'] = array(
1253     '#type' => 'select',
1254     '#default_value' => max(1, intval($argument['argdefault'])),
1255     '#options' => _views_get_arguments_default(),
1256   );
1257   $form['title'] = array(
1258     '#type' => 'textfield',
1259     '#default_value' => $argument['title'],
1260     '#size' => 10,
1261     '#maxlength' => 255,
1262   );
1263   if (isset($arginfo['option'])) {
1264     $form['options'] = views_ui_setup_widget($arginfo['option'], $argument['options']);
1265   }
1266   $form['wildcard'] = array(
1267     '#type' => 'textfield',
1268     '#default_value' => $argument['wildcard'],
1269     '#size' => 5,
1270     '#maxlength' => 32,
1271   );
1272   $form['wildcard_substitution'] = array(
1273     '#type' => 'textfield',
1274     '#default_value' => $argument['wildcard_substitution'],
1275     '#size' => 5,
1276     '#maxlength' => 32,
1277   );
1278   if (isset($arginfo['help'])) {
1279     $form['help'] = array(
1280       '#type' => 'markup',
1281       '#value' => $arginfo['help'],
1282     );
1283   }
1284 }
1285
1286 /**
1287  * Add all the info for a single filter into the form.
1288  */
1289 function views_ui_add_filter(&$form, $filter, &$order, $key, $i, &$view) {
1290   $filters = _views_get_filters();
1291   $filtername = $form['id']['#value']; // combined table & filtername
1292   $filterinfo = $filters[$filtername];
1293
1294   $form['field'] = array(
1295     '#type' => 'hidden',
1296     '#default_value' => $filter['id'],
1297   );
1298
1299   $form['name'] = array(
1300     '#type' => 'markup',
1301     '#value' => $filterinfo['name'],
1302   );
1303
1304   // 'operator' is either an array or a handler
1305   $operator = $filterinfo['operator'];
1306   if (!is_array($operator) && function_exists($filterinfo['operator']))  {
1307     $operator = $filterinfo['operator']('operator', $filterinfo);
1308   }
1309
1310   $form['operator'] = array(
1311     '#type' => 'select',
1312     '#default_value' => $filter['operator'],
1313     '#options' => $operator,
1314   );
1315   if (isset($filterinfo['option'])) {
1316     $form['options'] = views_ui_setup_widget($filterinfo['option'], $filter['options']);
1317   }
1318
1319   $form['value'] = views_ui_setup_widget($filterinfo['value'], $filter['value'], $filterinfo);
1320
1321   if (isset($filterinfo['help'])) {
1322     $form['help'] = array(
1323       '#type' => 'markup',
1324       '#value' => $filterinfo['help'],
1325     );
1326   }
1327
1328   // This is kind of a pain in the butt -- The only way to know all of
1329   // the filters that have been exposed is to look at the form, but that
1330   // part of the form hasn't been built yet, so I can't use the form_builder
1331   // method. I can't put this after that, either, because then I'd have to
1332   // go back to add one if we see one here. So we cheat heavily with _POST.
1333
1334   if ($_POST['edit']) {
1335     $exposed_order = $_POST['edit']['exposed_filter']['order'];
1336     if ($exposed_order !== '') {
1337       $exposed_order = explode(',', $exposed_order);
1338       foreach ($exposed_order as $x) {
1339         if ($_POST['edit']['exposed_filter'][$x]['id'] == $filtername) {
1340           $exposed = true;
1341           break;
1342         }
1343       }
1344     }
1345   }
1346   else { // do this if there's never been a submit.
1347     $exposed_order = array_keys($view->exposed_filter);
1348     foreach ($exposed_order as $x) {
1349       if ($view->exposed_filter[$x]['id'] == $filtername) {
1350         $exposed = true;
1351         break;
1352       }
1353     }
1354   }
1355   if (!$exposed) {
1356     // I can't find a way to see if this button was pressed other than
1357     // directly checking, because #form_submitted doesn't work on arrays
1358
1359     if ($_POST['edit']['filter'][$i]['expose']) {
1360       $view->new_exposed_filter['id'] = $filtername;
1361       return true;
1362     }
1363     else {
1364       $form['expose'] = array(
1365         '#type' => 'button',
1366         '#default_value' => t('Expose'),
1367         '#name' => "edit[filter][$i][expose]",
1368       );
1369     }
1370   }
1371 }
1372
1373 /**
1374  * Add all the info for a single exposed filter into the form.
1375  */
1376 function views_ui_add_exposed_filter(&$form, $filter, &$order, $key, $i) {
1377   $filters = _views_get_filters();
1378   $filtername = $form['id']['#value']; // combined table & filtername
1379   $filterinfo = $filters[$filtername];
1380
1381   $form['field'] = array(
1382     '#type' => 'hidden',
1383     '#default_value' => $filter['id'],
1384   );
1385
1386   $form['name'] = array(
1387     '#type' => 'markup',
1388     '#value' => $filterinfo['name'],
1389   );
1390
1391   $form['label'] = array(
1392     '#type' => 'textfield',
1393     '#default_value' => $filter['label'],
1394     '#size' => 15,
1395     '#maxlength' => 255,
1396   );
1397
1398   $form['optional'] = array(
1399     '#type' => 'checkbox',
1400     '#default_value' => $filter['optional'],
1401   );
1402
1403   $form['is_default'] = array(
1404     '#type' => 'checkbox',
1405     '#default_value' => $filter['is_default'],
1406   );
1407
1408   $form['single'] = array(
1409     '#type' => 'checkbox',
1410     '#default_value' => $filter['single'],
1411   );
1412
1413   $form['operator'] = array(
1414     '#type' => 'checkbox',
1415     '#default_value' => $filter['operator'],
1416   );
1417 }
1418
1419 /**
1420  * Add all the info for a single sort into the form.
1421  */
1422 function views_ui_add_sort(&$form, $sort, &$order, $key, $i) {
1423   $sorts = _views_get_sorts();
1424   $sortname = $form['id']['#value']; // combined table & sortname
1425   $sortinfo = $sorts[$sortname];
1426
1427   $form['field'] = array(
1428     '#type' => 'hidden',
1429     '#default_value' => $sort['id'],
1430   );
1431
1432   $form['name'] = array(
1433     '#value' => $sortinfo['name'],
1434   );
1435
1436   $form['sortorder'] = array(
1437     '#type' => 'select',
1438     '#title' => NULL,
1439     '#default_value' => $sort['sortorder'],
1440     '#options' => _views_sortorders(),
1441   );
1442   // option can be either 'string', 'integer', an array or a handler
1443   // that must return an array.
1444   if (isset($sortinfo['option'])) {
1445     $form['options'] = views_ui_setup_widget($sortinfo['option'], $sort['options']);
1446   }
1447   if (isset($sortinfo['help'])) {
1448     $form['help'] = array(
1449       '#type' => 'markup',
1450       '#value' => $sortinfo['help'],
1451     );
1452   }
1453 }
1454
1455 /**
1456  * Add the up, down, top, bottom, delete buttons to a form.
1457  */
1458 function views_ui_add_buttons(&$form_item) {
1459   $form_item['delete'] = views_ui_add_button('user-trash.png', t('Delete'), t('Delete this item.'));
1460   $form_item['up'] = views_ui_add_button('go-up.png', t('Up'), t('Move this item up.'));
1461   $form_item['down'] = views_ui_add_button('go-down.png', t('Down'), t('Move this item down.'));
1462   $form_item['top'] = views_ui_add_button('go-top.png', t('Top'), t('Move this item to the top.'));
1463   $form_item['bottom'] = views_ui_add_button('go-bottom.png', t('Bottom'), t('Move this item to the bottom.'));
1464 }
1465
1466 /**
1467  * Add a single button to a form.
1468  */
1469 function views_ui_add_button($image, $name, $text) {
1470   $module_path = base_path() . drupal_get_path('module', 'views');
1471
1472   return array(
1473     '#type' => 'views_imagebutton',
1474     '#image' => $module_path . '/' . $image,
1475     '#title' => $text,
1476     '#default_value' => $name,
1477   );
1478 }
1479
1480 /**
1481  * Display the form built by _views_view_form()
1482  */
1483 function theme_views_edit_view($form) {
1484
1485   $output .= drupal_render($form['basic-info'], false);
1486   $output .= drupal_render($form['page-info'], false);
1487   $output .= drupal_render($form['block-info'], false);
1488
1489   $allbut = $form['allbut']['#value'];
1490
1491   // drupal_render wants a reference so use full array notation.
1492
1493   // fields
1494   $collapsed = $allbut && $allbut != 'field';
1495   $group = views_ui_render_section($form['field'], array('name', 'label', 'handler', 'options', 'sortable', 'defaultsort'), array(t('Name'), t('Label'), t('Handler'), t('Option'), t('Sortable'), t('Default Sort')), 'fields', $collapsed);
1496   $group .= views_ui_render_section_add($form['field']['add'], array('id', 'button'), t('Add Field'));
1497
1498   $group .= '<p>'. t('Fields are only meaningful with List view and Table View; they allow you to choose which fields are presented and in what order.') .'</p>';
1499   $output .= theme('fieldset', array('#title' => t('Fields'), '#children' => $group,
1500     '#collapsible' => true, '#collapsed' => $collapsed,));
1501
1502
1503   // arguments
1504   $collapsed = $allbut && $allbut != 'argument';
1505   $group = views_ui_render_section($form['argument'], array('name', 'argdefault', 'title', 'options', 'wildcard', 'wildcard_substitution'), array(t('Argument Type'), t('Default'), t('Title'), t('Option'), t('Wildcard'), t('Wildcard Sub')), 'arguments', $collapsed);
1506
1507   $group .= views_ui_render_section_add($form['argument']['add'], array('id', 'button'), t('Add Argument'));
1508
1509   $group .= drupal_render($form['view_args_php_fieldset']);
1510
1511   $group .= '<p>'. t('Arguments are parsed directly from the URL. They are not necessary to any given view, but allow flexibility.') .'</p>';
1512   $output .= theme('fieldset', array('#title' => t('Arguments'), '#children' => $group,
1513     '#collapsible' => true, '#collapsed' => $collapsed,));
1514
1515   // filter
1516   $collapsed = $allbut && $allbut != 'filter';
1517   $group = views_ui_render_section($form['filter'], array('name', 'operator', 'value', 'options', 'expose'), array(t('Field'), t('Operator'), t('Value'), t('Option'), ''), 'filters', $collapsed);
1518
1519   $group .= views_ui_render_section_add($form['filter']['add'], array('id', 'button'), t('Add Filter'));
1520
1521   $group .= '<p>'. t('Filters allow you to select a subset of all the nodes to display. All Filters are ANDed together.') .'</p>';
1522   $output .= theme('fieldset', array('#title' => t('Filters'), '#children' => $group,
1523     '#collapsible' => true, '#collapsed' => $collapsed,));
1524   $group = '';
1525
1526   // exposed exposed_filter
1527   $collapsed = $allbut && $allbut != 'exposed_filter';
1528   $group = views_ui_render_section($form['exposed_filter'], array('name', 'label', 'optional', 'is_default', 'single', 'operator'), array(t('Field'), t('Label'), t('Optional'), t('Filter settings Default'), t('Force Single'), t('Lock Operator')), 'exposed_filters', $collapsed);
1529
1530
1531 //  $group .= views_ui_render_section_add($form['exposed_filter']['add'], array('id', 'button'), t('Expose Filter'));
1532
1533   $group .= '<p>'. t('Exposed filters will be presented to the viewer. If not set required, then filters will include a "&lt;None&gt;" Value if possible. If set default, filters will default as set here, otherwise filter settings will be ignored. If Lock Operator is set, no operator will be made available to the user.') .'</p>';
1534   $output .= theme('fieldset', array('#title' => t('Exposed Filters'), '#children' => $group,
1535     '#collapsible' => true, '#collapsed' => $collapsed,));
1536   $group = '';
1537
1538   // sort
1539   $collapsed = $allbut && $allbut != 'sort';
1540   $group = views_ui_render_section($form['sort'], array('name', 'sortorder', 'options'), array(t('Field'), t('Order'), t('Option')), 'sort criteria', $collapsed);
1541
1542   $group .= views_ui_render_section_add($form['sort']['add'], array('id', 'button'), t('Add criteria'));
1543   $output .= theme('fieldset', array('#title' => t('Sort Criteria'), '#children' => $group,
1544     '#collapsible' => true, '#collapsed' => $collapsed,));
1545
1546   $output .= drupal_render($form, false);
1547   return $output;
1548 }
1549
1550 /**
1551  * Render one of the dynamic sections on our form.
1552  */
1553 function views_ui_render_section(&$form, $items, $header, $section, &$collapsed) {
1554   // always do the buttons
1555   $items = array_merge($items, array('delete', 'top', 'up', 'down', 'bottom'));
1556   $num_items = count($items);
1557
1558   $order = ($form['order']['#value'] != ''
1559     ? explode(',', $form['order']['#value'])
1560     : array());
1561
1562   $count = count($order) - 1;
1563   foreach ($order as $key => $i) {
1564     $row = array();
1565     foreach ($items as $item) {
1566       if (($key == 0 && ($item == 'up' || $item == 'top')) ||
1567           ($key == $count && ($item == 'down' || $item == 'bottom'))) {
1568         $form[$i][$item]['#printed'] = true;
1569         $row[] = '&nbsp;'; // array('data' => '&nbsp;', 'width' => 16);
1570       }
1571       else {
1572         $row[] = drupal_render($form[$i][$item], false);
1573       }
1574     }
1575     $rows[] = $row;
1576     if (isset($form[$i]['help'])) {
1577       $rows[] = array(array('data' => drupal_render($form[$i]['help']), 'colspan' => $num_items));
1578     }
1579   }
1580   if (!$rows) {
1581     $rows[] = array(array('data' => t('This view currently has no %s defined.', array('%s' => $section)), 'colspan' => $num_items));
1582     $collapsed = true;
1583   }
1584
1585   $header[] = array('data' => t('Ops'), 'colspan' => 5);
1586   return theme('table', $header, $rows) . "<br />";
1587 }
1588
1589 /**
1590  * Render the add buttons for one of the dynamic sections on our form.
1591  */
1592 function views_ui_render_section_add(&$form, $items,  $label) {
1593   foreach ($items as $item) {
1594     $row[] = drupal_render($form[$item], false);
1595   }
1596   $rows[] = $row;
1597
1598   $header = array(array('data' => $label, 'colspan' => count($items)));
1599   return theme('table', $header, $rows) . "<br />";
1600 }
1601
1602 /**
1603  * Validate that a view sent via form is OK.
1604  */
1605 function views_edit_view_validate($form_id, $view, $form) {
1606   $op = $_POST['op'];
1607   if ($op != t('Save')) {
1608     return; // only validate on saving!
1609   }
1610
1611   if ($view['vid']) {
1612     $changed = db_result(db_query("SELECT changed FROM {view_view} WHERE vid = %d", $view['vid']));
1613     if ($changed && $view['changed'] != $changed) {
1614       form_set_error('', t('Another user has modified this view, unable to save. You can get this error by using the Back button to re-edit a view after saving one; if you do this, be sure to Reload before making any changes!'));
1615       return;
1616     }
1617   }
1618
1619   if (!$view['name']) {
1620     form_error($form['basic-info']['name'], t('View name is required.'));
1621   }
1622
1623   // view name must be alphanumeric or underscores, no other punctuation.
1624   if (preg_match('/[^a-zA-Z0-9_]/', $view['name'])) {
1625     form_error($form['basic-info']['name'], t('View name must be alphanumeric or underscores only.'));
1626   }
1627
1628   // test uniqueness of name
1629   $vid = db_result(db_query("SELECT vid FROM {view_view} WHERE name='%s'", $view['name']));
1630   if ($vid && $vid != $view['vid']) {
1631     form_error($form['basic-info']['name'], t('View name already in use.'));
1632   }
1633
1634   if ($view['page']) {
1635     if ($view['use_pager'] && !$view['nodes_per_page']) {
1636       form_error($form['page-info']['nodes_per_page'], t('Nodes per page cannot be 0 if using the pager.'));
1637     }
1638   }
1639
1640   if ($view['block'] && $view['nodes_per_block'] < 1) {
1641     form_error($form['block-info']['nodes_per_block'], t('If being used as a block, Nodes Per Block must be positive.'));
1642   }
1643
1644   // validation based on type:
1645
1646   $plugins = _views_get_style_plugins();
1647   if ($view['page']) {
1648     $validator = $plugins[$view['page_type']]['validate'];
1649     if (function_exists($validator)) {
1650       $validator('page', $view, $form);
1651     }
1652   }
1653
1654   if ($view['block']) {
1655     $validator = $plugins[$view['block_type']]['validate'];
1656     if (function_exists($validator)) {
1657       $validator('block', $view, $form);
1658     }
1659   }
1660
1661   foreach (array('field', 'argument', 'sort', 'filter') as $type) {
1662     $function = "_views_get_$type" . 's';
1663     $info = $function();
1664     if (is_array($view->$type)) {
1665       foreach ($view->$type as $key => $data) {
1666         if (!is_numeric($key)) {
1667           continue; // some non-data data is in here.
1668         }
1669         $validator = $info[$data['id']]['validate'];
1670         if (function_exists($validator)) {
1671           $validator($data, $view, $form);
1672         }
1673       }
1674     }
1675   }
1676 }
1677
1678 function views_ui_reorder(&$view) {
1679   // re-order things as they were ordered on the form.
1680   $order = $view['order'] != '' ? explode(',', $view['order']) : array();
1681   foreach ($order as $position => $key) {
1682     $placeholder[] = $view[$key];
1683   }
1684   $view = $placeholder;
1685 }
1686
1687 /**
1688  * Handle submit buttons on a view form.
1689  */
1690 function views_edit_view_submit($form_id, $form) {
1691   $view = (object) $form;
1692
1693   // Transform any data that requires it here.
1694   $view->access = array_keys(array_filter($view->access));
1695
1696   // ensure for MYSQL 5 irritation reasons.
1697   $view->nodes_per_page = intval($view->nodes_per_page);
1698   $view->nodes_per_block = intval($view->nodes_per_block);
1699   $view->menu_tab_weight = intval($view->menu_tab_weight);
1700
1701   // re-order things as they were ordered on the form.
1702   foreach (array('field', 'argument', 'filter', 'sort', 'exposed_filter') as $section) {
1703     views_ui_reorder($view->$section);
1704   }
1705
1706   _views_save_view($view);
1707   menu_rebuild();
1708   if ($form['vid']) {
1709     drupal_set_message(t('View successfully saved.'));
1710   }
1711   else {
1712     drupal_set_message(t('View successfully added.'));
1713   }
1714
1715   return 'admin/build/views';
1716 }
1717
1718 /**
1719  * Validate a view with a type: list.
1720  */
1721 function views_ui_plugin_validate_list($type, $view, $form) {
1722   // list (and table) modes require there to be at least 1 field active.
1723   if (is_array($view['field'])) {
1724     $fields = array_filter(array_keys($view['field']), 'is_numeric');
1725   }
1726   if (!$fields) {
1727     form_error($form["$type-info"][$type . '_type'], t('List and Table types require at least one field.'));
1728   }
1729
1730   if (isset($view['field']['count'])) {
1731     $defaultsort = false;
1732     for ($i = 0; $i < $view['field']['count']; $i++) {
1733       if ($view['field'][$i]['defaultsort']) {
1734         if ($defaultsort) {
1735           form_error($form['field'][$i]['defaultsort'], t('You can only set on Default Sort on one field.'));
1736           break;
1737         }
1738         $defaultsort = true;
1739       }
1740     }
1741   }
1742 }
1743
1744 /**
1745  * Validate a view with type: table.
1746  */
1747 function views_ui_plugin_validate_table($type, $view, $form) {
1748   // pass thru to list cause for now they're the same.
1749   return views_ui_plugin_validate_list($type, $view, $form);
1750 }
1751 // ---------------------------------------------------------------------------
1752 // View creator tool
1753
1754 /*
1755  * Get a true/false.
1756  */
1757 function views_tf($val) {
1758   return ($val ? 'TRUE' : 'FALSE');
1759 }
1760
1761 /*
1762  * This function creates view code for a view.
1763  */
1764 function views_create_view_code($vid) {
1765   $view = _views_load_view($vid);
1766   if (!$view) {
1767     return t("View '%vid' not found.", array('%vid' => $vid));
1768   }
1769
1770   $requires = array();
1771
1772   $output = "  \$view = new stdClass();\n";
1773   $output .= "  \$view->name = " . var_export($view->name, true) . ";\n";
1774   $output .= "  \$view->description = " . var_export($view->description, true) . ";\n";
1775   $output .= "  \$view->access = " . var_export($view->access, true) . ";\n";
1776   if (user_access('use PHP for block visibility')) {
1777     $output .= "  \$view->view_args_php = " . var_export($view->view_args_php, true) . ";\n";
1778   }
1779   // page items
1780   if ($view->page) {
1781     $output .= "  \$view->page = " . views_tf($view->page) . ";\n";
1782     $output .= "  \$view->page_title = " . var_export($view->page_title, true) . ";\n";
1783     $output .= "  \$view->page_header = " . var_export($view->page_header, true) .";\n";
1784     $output .= "  \$view->page_header_format = " . var_export($view->page_header_format, true) . ";\n";
1785     $output .= "  \$view->page_footer = " . var_export($view->page_footer, true) .";\n";
1786     $output .= "  \$view->page_footer_format = " . var_export($view->page_footer_format, true) . ";\n";
1787     $output .= "  \$view->page_empty = " . var_export($view->page_empty, true) .";\n";
1788     $output .= "  \$view->page_empty_format = " . var_export($view->page_empty_format, true) . ";\n";
1789     $output .= "  \$view->page_type = " . var_export($view->page_type, true) . ";\n";
1790     $output .= "  \$view->url = " . var_export($view->url, true) . ";\n";
1791     $output .= "  \$view->use_pager = " . views_tf($view->use_pager) . ";\n";
1792     $output .= "  \$view->nodes_per_page = " . var_export($view->nodes_per_page, true) . ";\n";
1793     if ($view->menu) {
1794       $output .= "  \$view->menu = " . views_tf($view->menu) . ";\n";
1795       $output .= "  \$view->menu_title = " . var_export($view->menu_title, true) . ";\n";
1796       $output .= "  \$view->menu_tab = " . views_tf($view->menu_tab) . ";\n";
1797       $output .= "  \$view->menu_tab_default = " . views_tf($view->menu_tab_default) . ";\n";
1798       $output .= "  \$view->menu_tab_weight = " . var_export($view->menu_tab_weight, true) . ";\n";
1799     }
1800   }
1801   if ($view->block) {
1802     $output .= "  \$view->block = " . views_tf($view->block) . ";\n";
1803     $output .= "  \$view->block_title = " . var_export($view->block_title, true) . ";\n";
1804     $output .= "  \$view->block_header = " . var_export($view->block_header, true) . ";\n";
1805     $output .= "  \$view->block_header_format = " . var_export($view->block_header_format, true) . ";\n";
1806     $output .= "  \$view->block_footer = " . var_export($view->block_footer, true) . ";\n";
1807     $output .= "  \$view->block_footer_format = " . var_export($view->block_footer_format, true) . ";\n";
1808     $output .= "  \$view->block_empty = " . var_export($view->block_empty, true) .";\n";
1809     $output .= "  \$view->block_empty_format = " . var_export($view->block_empty_format, true) . ";\n";
1810     $output .= "  \$view->block_type = " . var_export($view->block_type, true) . ";\n";
1811     $output .= "  \$view->nodes_per_block = " . var_export($view->nodes_per_block, true) . ";\n";
1812     $output .= "  \$view->block_more = " . views_tf($view->block_more) . ";\n";
1813     $output .= "  \$view->block_use_page_header = " . views_tf($view->block_use_page_header) . ";\n";
1814     $output .= "  \$view->block_use_page_footer = " . views_tf($view->block_use_page_footer) . ";\n";
1815     $output .= "  \$view->block_use_page_empty = " . views_tf($view->block_use_page_empty) . ";\n";
1816   }
1817
1818   $output .= "  \$view->sort = array (\n";
1819   foreach ($view->sort as $sort) {
1820     $output .= "    array (\n";
1821     $fieldbits = explode('.', $sort['field']);
1822     $output .= "      'tablename' => " . var_export($fieldbits[0], true) . ",\n";
1823     $output .= "      'field' => " . var_export($fieldbits[1], true) . ",\n";
1824     $output .= "      'sortorder' => " . var_export($sort['sortorder'], true) . ",\n";
1825     $output .= "      'options' => " . var_export($sort['options'], true) . ",\n";
1826     $output .= "    ),\n";
1827     $requires[$fieldbits[0]] = 1;
1828   }
1829   $output .= "  );\n";
1830
1831   $output .= "  \$view->argument = array (\n";
1832   foreach ($view->argument as $argument) {
1833     $output .= "    array (\n";
1834     $output .= "      'type' => " . var_export($argument['type'], true) . ",\n";
1835     $output .= "      'argdefault' => " . var_export($argument['argdefault'], true) . ",\n";
1836     $output .= "      'title' => " . var_export($argument['title'], true) . ",\n";
1837     $output .= "      'options' => " . var_export($argument['options'], true) . ",\n";
1838     $output .= "      'wildcard' => " . var_export($argument['wildcard'], true) . ",\n";
1839     $output .= "      'wildcard_substitution' => " . var_export($argument['wildcard_substitution'], true) . ",\n";
1840     $output .= "    ),\n";
1841   }
1842   $output .= "  );\n";
1843
1844   $output .= "  \$view->field = array (\n";
1845   foreach ($view->field as $field) {
1846     $output .= "    array (\n";
1847     $output .= "      'tablename' => " . var_export($field['tablename'], true) . ",\n";
1848     $output .= "      'field' => " . var_export($field['field'], true) . ",\n";
1849     $output .= "      'label' => " . var_export($field['label'], true) . ",\n";
1850     if ($field['handler']) {
1851       $output .= "      'handler' => " . var_export($field['handler'], true) . ",\n";
1852     }
1853     if ($field['sortable']) {
1854       $output .= "      'sortable' => " . var_export($field['sortable'], true) . ",\n";
1855     }
1856     if ($field['defaultsort']) {
1857       $output .= "      'defaultsort' => " . var_export($field['defaultsort'], true) . ",\n";
1858     }
1859     if ($field['options']) {
1860       $output .= "      'options' => " . var_export($field['options'], true) . ",\n";
1861     }
1862     $output .= "    ),\n";
1863     $requires[$field['tablename']] = 1;
1864   }
1865   $output .= "  );\n";
1866
1867   $output .= "  \$view->filter = array (\n";
1868   foreach ($view->filter as $filter) {
1869     $output .= "    array (\n";
1870     $fieldbits = explode('.', $filter['field']);
1871     $output .= "      'tablename' => " . var_export($fieldbits[0], true) . ",\n";
1872     $output .= "      'field' => " . var_export($fieldbits[1], true) . ",\n";
1873     $output .= "      'operator' => " . var_export($filter['operator'], true) . ",\n";
1874     $output .= "      'options' => " . var_export($filter['options'], true) . ",\n";
1875     $output .= "      'value' => " . var_export($filter['value'], true) . ",\n";
1876     $output .= "    ),\n";
1877     $requires[$fieldbits[0]] = 1;
1878   }
1879   $output .= "  );\n";
1880
1881   $output .= "  \$view->exposed_filter = array (\n";
1882   foreach ($view->exposed_filter as $filter) {
1883     $output .= "    array (\n";
1884     $fieldbits = explode('.', $filter['field']);
1885     $output .= "      'tablename' => " . var_export($fieldbits[0], true) . ",\n";
1886     $output .= "      'field' => " . var_export($fieldbits[1], true) . ",\n";
1887     $output .= "      'label' => " . var_export($filter['label'], true) . ",\n";
1888     $output .= "      'optional' => " . var_export($filter['optional'], true) . ",\n";
1889     $output .= "      'is_default' => " . var_export($filter['is_default'], true) . ",\n";
1890     $output .= "      'operator' => " . var_export($filter['operator'], true) . ",\n";
1891     $output .= "      'single' => " . var_export($filter['single'], true) . ",\n";
1892     $output .= "    ),\n";
1893     $requires[$fieldbits[0]] = 1;
1894   }
1895   $output .= "  );\n";
1896   $output .= "  \$view->requires = array(" . implode(', ', array_keys($requires)) . ");\n";
1897   $output .= "  \$views[\$view->name] = \$view;\n";
1898   return $output;
1899 }
1900
1901