views_ui.module

<?php
// $Id$

// ---------------------------------------------------------------------------
// Drupal Hooks

/*
 * Implementation of hook_help()
 */
function views_ui_help($section) {
  switch ($section) {
    case 'admin/help#views_ui':
      return _views_ui_help_add();
    case 'admin/modules#description':
      return t('The views module creates customized views of node lists.');
    case 'admin/views/import':
      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..');
    case 'admin/views':
      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.');
  }
  if (!strncmp($section, 'admin/views', 11)) {
    switch (arg(2)) {
      case 'add':
      case 'edit':
        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')));
      case 'export':
        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.');
    }
  }
}

/*
 * Because the add/edit page is kind of complicated.
 */
function _views_ui_help_add() {
  $output = t('<p>A view retrieves some number of nodes from the database and displays them in a variety of formats.</p>');
  $output .= t("<h3>View Types</h3>
    <dl>
      <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>
      <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>
      <dt><em>Teaser List</em></dt><dd>A Teaser List will simply present the teaser of each node retrieved.</dd>
      <dt><em>Full Nodes</em></dt><dd>This will show the full content of each node retrieved.</dd>
      <dt><em>Random Teaser</em></dt><dd>This will show a single random teaser.</dd>
      <dt><em>Random Node</em></dt><dd>This will show a single random node's full view.</dd>
    </dl>");

  $output .= t("<h3>Fields</h3>\n");
  $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");
  $fields = _views_get_fields();
  foreach ($fields as $field) {
    $output .= "<dt><em>$field[name]</em></dt><dd>$field[help]</dd>\n";
  }
  $output .= "</dl>\n";

  $output .= t("<h3>Arguments</h3>\n");
  $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");
  $arguments = _views_get_arguments();
  foreach ($arguments as $argument) {
    $output .= "<dt><em>$argument[name]</em></dt><dd>$argument[help]</dd>\n";
  }
  $output .= "</dl>\n";

  $output .= t("<h3>Filters</h3>\n");
  $output .= t("<p>Views may be filtered to restrict the view on a number of criteria.</p><dl>\n");
  $filters = _views_get_filters();
  foreach ($filters as $filter) {
    $output .= "<dt><em>$filter[name]</em></dt><dd>$filter[help]</dd>\n";
  }
  $output .= "</dl>\n";

  $output .= t("<h3>Sorting Critera</h3>\n");
  $output .= t("<p>The result set may be sorted on any of the following criteria.</p><dl>\n");
  $sorts = _views_get_sorts();
  foreach ($sorts as $sort) {
    $output .= "<dt><em>$sort[name]</em></dt><dd>$sort[help]</dd>\n";
  }
  $output .= "</dl>\n";

  return $output;
}

/*
 * Implementation of hook_perm()
 */
function views_ui_perm() {
  return array('administer views');
}

/*
 * Implementation of hook_menu()
 */
function views_ui_menu($may_cache) {
  $items = array();

  if ($may_cache) {
    $items[] = array('path' => 'admin/views',
      'title' => t('views'),
      'callback' => 'views_ui_admin_page',
      'access' => user_access('administer views'),
      'type' => MENU_NORMAL_ITEM);
    $items[] = array('path' => 'admin/views/list',
      'title' => t('list'),
      'callback' => 'views_ui_admin_page',
      'access' => user_access('administer views'),
      'type' => MENU_DEFAULT_LOCAL_TASK,
      'weight' => '-1');
    $items[] = array('path' => 'admin/views/add',
      'title' => t('add'),
      'callback' => 'views_ui_admin_add_page',
      'access' => user_access('administer views'),
      'type' => MENU_LOCAL_TASK);
    $items[] = array('path' => 'admin/views/clone',
      'title' => t('clone'),
      'callback' => 'views_ui_admin_clone_page',
      'access' => user_access('administer views'),
      'type' => MENU_CALLBACK);
    $items[] = array('path' => 'admin/views/edit',
      'title' => t('edit view'),
      'callback' => 'views_ui_admin_edit_page',
      'access' => user_access('administer views'),
      'type' => MENU_CALLBACK);
    $items[] = array('path' => 'admin/views/import',
      'title' => t('import'),
      'callback' => 'views_ui_admin_import_page',
      'access' => user_access('administer views'),
      'type' => MENU_LOCAL_TASK);
    $items[] = array('path' => 'admin/views/export',
      'title' => t('export view'),
      'callback' => 'views_ui_admin_export_page',
      'access' => user_access('administer views'),
      'type' => MENU_CALLBACK);
    $items[] = array('path' => 'admin/views/delete',
      'title' => t('edit view'),
      'callback' => 'views_ui_admin_delete_page',
      'access' => user_access('administer views'),
      'type' => MENU_CALLBACK);
    $items[] = array('path' => 'admin/views/enable',
      'callback' => 'views_ui_admin_enable_page',
      'access' => user_access('administer views'),
      'type' => MENU_CALLBACK);
    $items[] = array('path' => 'admin/views/disable',
      'callback' => 'views_ui_admin_disable_page',
      'access' => user_access('administer views'),
      'type' => MENU_CALLBACK);

  }
  return $items;
}

/**
 * hunmonk's module dependency check: see http://drupal.org/node/54463
 */
function views_ui_form_alter($form_id, &$form) {
  if ($form_id == 'system_modules' && !$_POST) {
    views_ui_system_module_validate($form);
  }
}

/**
 * hunmonk's module dependency check: see http://drupal.org/node/54463
 */
function views_ui_system_module_validate(&$form) {
  $module = 'views_ui';
  $dependencies = array('views');
  foreach ($dependencies as $dependency) {
      if (!in_array($dependency, $form['status']['#default_value'])) {
        $missing_dependency = TRUE;
        $missing_dependency_list[] = $dependency;
      }
  }
  if (in_array($module, $form['status']['#default_value']) && isset($missing_dependency)) {
    db_query("UPDATE {system} SET status = 0 WHERE type = 'module' AND name = '%s'", $module);
    $key = array_search($module, $form['status']['#default_value']);
    unset($form['status']['#default_value'][$key]);
    drupal_set_message(t('The module %module was deactivated--it requires the following disabled/non-existant modules to function properly: %dependencies', array('%module' => $module, '%dependencies' => implode(', ', $missing_dependency_list))), 'error');
  }
}

// ---------------------------------------------------------------------------
// Administrative Pages

/*
 * This page lists all system views and provides links to edit them.
 */
function views_ui_admin_page() {
  $numViews = 25;

  drupal_set_title(t('administer views'));

  $result = pager_query("SELECT vid, name, description, menu_title, page_title, block_title, url, page, menu, block FROM {view_view} ORDER BY name", $numViews);

  while ($view = db_fetch_object($result)) {
    $url = ($view->page ? l($view->url, $view->url) : t('No Page View'));
    $provides = array();
    if ($view->page) {
      $provides[] = 'Page';
    }
    if ($view->block) {
      $provides[] = 'Block';
    }
    if ($view->menu) {
      $provides[] = 'Menu';
    }
    $items[] = array(
      $view->name, 
      views_get_title($view, 'menu'), 
      $view->description, 
      implode(', ', $provides), 
      $url, 
      theme('links', array(
        l(t('edit'), "admin/views/edit/$view->vid"), 
        l(t('export'), "admin/views/export/$view->vid"), 
        l(t('delete'), "admin/views/delete/$view->vid"),
        l(t('clone'), "admin/views/clone/$view->vid"),
      ))
    );
  }

  if ($items) {
    $output = theme('table', array(t('View'), t('Title'), t('Description'), t('Provides'), t('URL'), t('Actions')), $items, array("cellpadding" => "4"), t('Existing Views'));
    $output .= theme('pager', NULL, $numViews);
  }
  else {
    $output .= t('<p>No views have currently been defined.</p>');
  }

  $result = db_query("SELECT name FROM {view_view}");
  while ($view = db_fetch_object($result)) {
    $used[$view->name] = true;
  }

  $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>');
  $items = array();
  $default_views = _views_get_default_views();

  $views_status = variable_get('views_defaults', array());

  foreach ($default_views as $view) {
    $url = ($view->page ? l($view->url, $view->url) : t('No Page View'));

    if ($used[$view->name]) {
      $status = t('Overridden');
    }
    else if (isset($views_status[$view->name])) {
      if ($views_status[$view->name] == 'enabled') {
        $status = t('Enabled');
      }
      else {
        $status = t('Disabled');
      }
    }
    else if ($view->disabled) {
      $status = t('Disabled');
    }
    else {
      $status = t('Enabled');
    }

    $provides = array();
    if ($view->page) {
      $provides[] = t('Page');
    }
    if ($view->block) {
      $provides[] = t('Block');
    }
    if ($view->menu) {
      $provides[] = t('Menu');
    }

    $links = array(l(t('add'), "admin/views/add/$view->name"));
    if ($status == t('Enabled')) {
      $links[] = l(t('disable'), "admin/views/disable/$view->name");
    }
    else if ($status == t('Disabled')) {
      $links[] = l(t('enable'), "admin/views/enable/$view->name");
    }

    $items[] = array($view->name, views_get_title($view, 'menu'), $view->description, implode(', ', $provides), $url, $status, theme('links', $links));
  }

  if ($items) {
    $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'));
  }
  else {
    $output .= t('<p>No views have currently been defined.</p>');
  }

  return $output;
}

/*
 * Page to enable a disabled default view
 */
function views_ui_admin_enable_page($view = '') {
  if ($view) {
    $views_status = variable_get('views_defaults', array());
    $views_status[$view] = 'enabled';
    variable_set('views_defaults', $views_status);
    menu_rebuild();
  }
  drupal_goto('admin/views');
}

/*
 * Page to disable an enabled default view
 */
function views_ui_admin_disable_page($view = '') {
  if ($view) {
    $views_status = variable_get('views_defaults', array());
    $views_status[$view] = 'disabled';
    variable_set('views_defaults', $views_status);
    menu_rebuild();
  }
  drupal_goto('admin/views');
}

/*
 * Provide a textarea to paste a view export into.
 */
function views_ui_admin_import_page() {
  $op = $_POST['edit']['name'];

  if ($op) {
    return views_ui_admin_add_page();
  }
  drupal_set_title("Import a View");
  $form['view'] = array(
    '#type' => 'textarea',
    '#title' => t('Import View Code'),
    '#cols' => 60,
    '#rows' => 6,
    '#description' => t('Cut and paste the results of an Export View here.'),
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t("Submit"),
  );

  return drupal_get_form('views_import_view', $form);
}

/*
 * Handle the submit button on importing a view.
 */
function views_import_view_submit($formid, $form) {
  ob_start();
  eval($form['view']);
  ob_end_clean();

  $tables = array_keys(_views_get_tables());
  if (isset($view)) {
    if (!is_array($view->requires) || !array_diff($view->requires, $tables)) {
      views_sanitize_view($view);
      drupal_set_title(t('Add a View'));
      $output = _views_view_form($view, NULL);
      print theme('page', $output);
      exit;
    }
    else {
      drupal_set_message(t("You don't seem to have the following requirements: ") . implode(', ', array_diff($view->requires, $tables)));
    }
  }
  else {
    drupal_set_message(t('Unable to get a view out of that.'));
  }
}

/*
 * Export a view for cut & paste.
 */
function views_ui_admin_export_page($vid = '') {
  $code = views_create_view_code($vid);
  $lines = substr_count($code, "\n");
  $form['code'] = array(
    '#type' => 'textarea',
    '#title' => $view->name,
    '#default_value' => $code,
    '#rows' => $lines);
  return drupal_get_form('views_export', $form);
}

/*
 * Provide a form to add a view. Allow adding a view from default templates.
 */
function views_ui_admin_add_page($template = NULL) {
  $op = $_POST['op'];
  if ($op == t('Cancel')) {
    return 'admin/views';
  }

  $view = _views_get_default_view($template);

  drupal_set_title(t('Add a View'));

  return _views_view_form($view, $op);
}

/*
 * Provide a form to clone a view.
 */
function views_ui_admin_clone_page($viewname) {
  $op = $_POST['op'];
  if ($op == t('Cancel')) {
    return 'admin/views';
  }

  $view = views_load_view($viewname);
  if (!$view) {
    return drupal_not_found();
  }

  unset($view->vid);
  drupal_set_title(t('Add a View'));

  return _views_view_form($view, $op);
}

/*
 * Provide a form to edit a view.
 */
function views_ui_admin_edit_page($vid = '') {
  $op = $_POST['op'];
  if ($op == t('Cancel')) {
    drupal_goto('admin/views');
  }

  if ($op == t('Delete')) {
    drupal_goto("admin/views/delete/$vid");
  }

  if (!($view = _views_load_view($vid))) {
    drupal_goto('admin/views');
  }

  drupal_set_title(t('Edit view %n', array('%n' => $view->name)));
  return _views_view_form($view, $op);
}

/*
 * Provide a form to confirm deletion of a view.
 */
function views_ui_admin_delete_page($vid = '') {
  $view = _views_load_view($vid);

  if (!$view) {
    return 'admin/views';
  }

  $form['vid'] = array('#type' => 'value', '#value' => $view->vid);
  return confirm_form('views_delete_confirm', $form,
    t('Are you sure you want to delete %title?', array('%title' => $view->name)),
    $_GET['destination'] ? $_GET['destination'] : 'admin/views',
    t('This action cannot be undone.'),
    t('Delete'), t('Cancel')
  );
}

/*
 * Handle the submit button to delete a view.
 */
function views_delete_confirm_submit($formid, $form) {
  if ($form['confirm']) {
    _views_delete_view((object) $form);
    menu_rebuild();
    return 'admin/views';
  }
}

/*
 * Get an empty view with basic defaults.
 */
function _views_get_default_view($template = '') {
  if ($template) {
    $default_views = _views_get_default_views();
    if (isset($default_views[$template])) {
      $view = $default_views[$template];
    }
  }
  if (!$view) {
    $view = new stdClass();
    $view->use_pager = true;
    $view->nodes_per_page = variable_get('default_nodes_main', 10);
    $view->page_header_format = variable_get('filter_default_format', 1);
    $view->page_footer_format = variable_get('filter_default_format', 1);
    $view->page_header_format = variable_get('filter_default_format', 1);
    $view->block_header_format = variable_get('filter_default_format', 1);
    $view->block_footer_format = variable_get('filter_default_format', 1);
    $view->block_header_format = variable_get('filter_default_format', 1);
    $view->vid = 0;
  }

  return _views_check_arrays($view);
}

// ---------------------------------------------------------------------------
// Select Box Definitions

// These should probably have string array keys that are easier to identify.

/**
 * Select box entries for argument defaults.
 */
function _views_get_arguments_default() {
  return array(
    1 => t('Return Page Not Found'),
    2 => t('Display All Values'),
    3 => t('Summary, unsorted'),
    4 => t('Summary, sorted ascending'),
    5 => t('Summary, sorted descending'),
    6 => t('Summary, sorted as view'),
    7 => t('Use Empty Text'),
   );
}

/**
 * Select box entries for sort ordering.
 */
function _views_sortorders() {
  return array(
    'ASC' => t('Ascending'),
    'DESC' => t('Descending')
  );
}

/**
 * Swap two items in an array.
 */
function _views_swap(&$arr, $a, $b) {
  $temp = $arr[$a];
  $arr[$a] = $arr[$b];
  $arr[$b] = $temp;
}

/**
 * Move an item up in an array.
 */
function _views_move_up(&$arr, $i) {
  if ($i <= 0 || $i >= count($arr)) {
    return; // can't do it.
  }
  _views_swap($arr, $i - 1, $i);
}

/**
 * Move an item down in an array.
 */
function _views_move_down(&$arr, $i) {
  if ($i >= count($arr) - 1 || $i < 0) {
    return; // can't do it.
  }
  _views_swap($arr, $i + 1, $i);
}

/**
 * Move an item to the front of an array.
 */
function _views_move_top(&$arr, $i) {
  if ($i <= 0 || $i >= count($arr)) {
    return; // can't do it.
  }
  $temp = $arr[$i];
  for ($x = $i; $x > 0; $x--)
    $arr[$x] = $arr[$x - 1];
  $arr[0] = $temp;
}

/**
 * Move an item to the end of an array.
 */
function _views_move_bottom(&$arr, $i) {
  $end = count($arr) - 1;
  if ($i >= $end || $i < 0) {
    return; // can't do it.
  }
  $temp = $arr[$i];
  for ($x = $i; $x < $end; $x++)
    $arr[$x] = $arr[$x + 1];
  $arr[$end] = $temp;
}

/**
 * Figure out which of the many, many buttons on a form were clicked and
 * handle it.
 */
function _views_check_sub_ops(&$form, &$order, $i) {

  if ($form['delete']['#value']) {
    unset($form['delete']['#value']);
    unset($order[$i]);
    $order = array_values($order); // reindex
    $form['delete']['#printed'] = true;
    $form['up']['#printed'] = true;
    $form['down']['#printed'] = true;
    $form['top']['#printed'] = true;
    $form['bottom']['#printed'] = true;
    return 'delete';
  }
  else foreach (array('up', 'down', 'top', 'bottom') as $dir) {
    if ($form[$dir]['#value']) {
      unset ($form[$dir]['#value']);
      $func = "_views_move_$dir";
      $func($order, $i);
      return true;
    }
  }
  return false;
}

/**
 * Figure out if one of the add buttons on a form were clicked, and handle it.
 */
function _views_check_ops(&$view, $op, $form) {
  if ($op == t('Add Filter')) {
    $view->new_filter['id'] = $form['filter']['add']['id']['#value'];
    return 'filter';
  }
  else if ($op == t('Add Criteria')) {
    $view->new_sort['id'] = $form['sort']['add']['id']['#value'];
    return 'sort';
  }
  else if ($op == t('Add Argument')) {
    $view->new_argument['id'] = $form['argument']['add']['id']['#value'];
    return 'argument';
  }
  else if ($op == t('Add Field')) {
    $fieldbits = explode('.', $form['field']['add']['id']['#value']);
    $view->new_field['id'] = $form['field']['add']['id']['#value'];
    $view->new_field['tablename'] = $fieldbits[0];
    $view->new_field['field'] = $fieldbits[1];
    $view->new_field['label'] = $fieldnames[$form['field']['add']['id']['#value']];
    $view->new_field['queryname'] = "$fieldbits[0]_$fieldbits[1]";
    return 'field';
  }
  else if ($op == t('Expose Filter')) {
    $view->new_exposed_filter['id'] = $form['exposed_filter']['add']['id']['#value'];
    return 'filter';
  }
}

/**
 * Custom form element to do our nice images.
 */
function views_elements() {
  $type['views_imagebutton'] = array('#input' => TRUE, '#button_type' => 'submit',);
  return $type;
}

function theme_views_imagebutton($element) {
  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";
}

function views_imagebutton_value() {
  // null function guarantees default_value doesn't get moved to #value.
}

/**
 * Set up the dynamic #options on a widget
 */
function views_ui_setup_widget($widget, $default_value, $argument = NULL) {
  if (!$argument) {
    $argument = $widget;
  }

  if (is_string($widget['#options']) && function_exists($widget['#options'])) {
    $widget['#options'] = $widget['#options']('option', $argument);
  }
  if ($widget['#multiple'] && is_array($widget['#options'])) {
    $widget['#size'] = min(count($widget['#options']), 8);
  }
  $widget['#default_value'] = $default_value;
  return $widget;
}

/**
 * Display all the guts of a view in a form for editing.
 */
function _views_view_form($view, $op = '') {
  _views_check_arrays($view); // make sure arrays that might be empty get set

  // Put in all our add buttons, then process them to see if they've been hit.
  $form = array();
  views_ui_add_add_button($form, 'field', _views_get_fields(true), t('Add Field'));
  views_ui_add_add_button($form, 'argument', _views_get_arguments(true), t('Add Argument'));
  views_ui_add_add_button($form, 'filter', _views_get_filters(true), t('Add Filter'));
  views_ui_add_add_button($form, 'sort', _views_get_sorts(true), t('Add Criteria'));

  $allbut = _views_check_ops($view, $op, $form);
  if ($_POST['edit'] && $op != t('Save')) {
    drupal_set_message(t('You have modified this view; changes will not be recorded until you Save the form.'));
  }

  $form['exposed_filter'] = array();
  foreach (array('field', 'argument', 'filter', 'exposed_filter', 'sort') as $section) {
    if (views_ui_add_section($form[$section], $view, $section)) {
      $allbut = $section;
    }
  }

  $form['vid'] = array(
    '#type' => 'value',
    '#value' => $view->vid,
  );
  $form['allbut'] = array(
    '#type' => 'value',
    '#value' => $allbut,
  );
  $form['changed'] = array(
    '#type' => 'hidden',
    '#value' => $view->changed,
  );

  $form['basic-info'] = array(
    '#type' => 'fieldset',
    '#collapsible' => true,
    '#collapsed' => ($allbut != NULL),
    '#title' => t('Basic Information'),
  );

  $form['basic-info']['name'] = array(
    '#type' => 'textfield',
    '#title' => t('Name'),
    '#default_value' => $view->name,
    '#size' => 20,
    '#maxlength' => 32,
    '#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'),
    '#required' => true,
  );

  $form['basic-info']['access'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Access'),
    '#default_value' => $view->access,
    '#options' => views_handler_filter_role(),
    '#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.'),
  );

  $form['basic-info']['description'] = array(
    '#type' => 'textfield',
    '#title' => t('Description'),
    '#default_value' => $view->description,
    '#size' => 60,
    '#maxlength' => 255,
    '#description' => t('A description of the view for the admin list.'),
  );

  // page info

  $form['page-info'] = array(
    '#type' => 'fieldset',
    '#collapsible' => true,
    '#collapsed' => ($allbut != NULL || !$view->page),
    '#title' => t('Page'),
  );

  $form['page-info']['page'] = array(
    '#type' => 'checkbox',
    '#title' => t('Provide Page View'),
    '#return_value' => 1,
    '#default_value' => $view->page,
    '#description' => t('If checked this view will be provided as a page. If not checked, the fields in this group will be ignored.'),
  );

  $form['page-info']['url'] = array(
    '#type' => 'textfield',
    '#title' => t('URL'),
    '#default_value' => $view->url,
    '#size' => 60,
    '#maxlength' => 255,
    '#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.'),
  );

  $form['page-info']['page_type'] = array(
    '#type' => 'select',
    '#title' => t('View Type'),
    '#default_value' => $view->page_type,
    '#options' => _views_get_style_plugins(true),
    '#description' => t('How the nodes should be displayed to the user.'),
  );

  $form['page-info']['page_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Title'),
    '#default_value' => $view->page_title,
    '#size' => 60,
    '#maxlength' => 255,
    '#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.'),
  );

  $form['page-info']['use_pager'] = array(
    '#type' => 'checkbox',
    '#title' => t('Use Pager'),
    '#return_value' => 1,
    '#default_value' => $view->use_pager,
    '#description' => t('If checked this query may be multiple pages. If not checked this query will be one page.'),
  );
  $form['page-info']['breadcrumb_no_home'] = array(
    '#type' => 'checkbox',
    '#title' => t('Breadcrumb trail should not include "Home"'),
    '#return_value' => 1,
    '#default_value' => $view->breadcrumb_no_home,
    '#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.'),
  );
  $form['page-info']['nodes_per_page'] = array(
    '#type' => 'textfield',
    '#title' => t('Nodes per Page'),
    '#default_value' => $view->nodes_per_page,
    '#size' => 5,
    '#maxlength' => 5,
    '#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.'),
    '#attributes' => NULL,
  );
  $form['page-info']['page_header_fieldset'] = array(
    '#type' => 'fieldset',
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#title' => t('Header'),
  );
  $form['page-info']['page_header_fieldset']['page_header'] = array(
    '#type' => 'textarea',
    '#default_value' => $view->page_header,
    '#cols' => 60,
    '#rows' => 6,
    '#description' => t('Text to display at the top of the view. May contain an explanation or links or whatever you like. Optional.'),
  );

  $form['page-info']['page_header_fieldset']['page_header_format'] = filter_form($view->page_header_format, 1, array('page_header_format'));

  $form['page-info']['page_footer_fieldset'] = array(
    '#type' => 'fieldset',
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#title' => t('Footer'),
  );
  $form['page-info']['page_footer_fieldset']['page_footer'] = array(
    '#type' => 'textarea',
    '#default_value' => $view->page_footer,
    '#cols' => 60,
    '#rows' => 6,
    '#description' => t('Text to display at the bottom of the view. May contain an explanation or links or whatever you like. Optional.'),
  );

  $form['page-info']['page_footer_fieldset']['page_footer_format'] = filter_form($view->page_footer_format, 1, array('page_footer_format'));

  $form['page-info']['page_empty_fieldset'] = array(
    '#type' => 'fieldset',
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#title' => t('Empty Text'),
  );
  $form['page-info']['page_empty_fieldset']['page_empty'] = array(
    '#type' => 'textarea',
    '#default_value' => $view->page_empty,
    '#cols' => 60,
    '#rows' => 6,
    '#description' => t('Text to display if a view returns no nodes. Optional.'),
  );

  $form['page-info']['page_empty_fieldset']['page_empty_format'] = filter_form($view->page_empty_format, 1, array('page_empty_format'));

  $form['page-info']['menu-info'] = array(
    '#type' => 'fieldset',
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#title' => t('Menu'),
  );

  $form['page-info']['menu-info']['menu'] = array(
    '#type' => 'checkbox',
    '#title' => t('Provide Menu'),
    '#return_value' => 1,
    '#default_value' => $view->menu,
    '#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.'),
  );

  $form['page-info']['menu-info']['menu_tab'] = array(
    '#type' => 'checkbox',
    '#title' => t('Provide Menu as Tab'),
    '#return_value' => 1,
    '#default_value' => $view->menu_tab,
    '#description' => t("If checked this view's menu entry will be provided as a tab rather than in the main menu system."),
  );

  $form['page-info']['menu-info']['menu_tab_default'] = array(
    '#type' => 'checkbox',
    '#title' => t('Make Default Menu Tab'),
    '#return_value' => 1,
    '#default_value' => $view->menu_tab_default,
    '#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."),
  );

  $form['page-info']['menu-info']['menu_tab_weight'] = array(
    '#type' => 'textfield',
    '#title' => t('Tab Weight'),
    '#default_value' => $view->menu_tab_weight,
    '#width' => 10,
    '#description' => t('If this is a menu tab, select the weight; lower numbers will be further to the left.'),
  );

  $form['page-info']['menu-info']['menu_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Menu Title'),
    '#default_value' => $view->menu_title,
    '#size' => 60,
    '#maxlength' => 255,
    '#description' => t('Enter the title to use for the menu entry or tab. If blank, the page title will be used.'),
  );

  // block info

  $form['block-info'] = array(
    '#type' => 'fieldset',
    '#collapsible' => true,
    '#collapsed' => ($allbut != NULL || !$view->block),
    '#title' => t('Block'),
  );

  $form['block-info']['block'] = array(
    '#type' => 'checkbox',
    '#title' => t('Provide Block'),
    '#return_value' => 1,
    '#default_value' => $view->block,
    '#description' => t('If checked this view will be provided as a block. If checked title may not be blank.'),
  );

  $form['block-info']['block_type'] = array(
    '#type' => 'select',
    '#title' => t('View Type'),
    '#default_value' => $view->block_type,
    '#options' => _views_get_style_plugins(true),
    '#description' => t('How the nodes should be displayed to the user.'),
  );

  $form['block-info']['block_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Title'),
    '#default_value' => $view->block_title,
    '#size' => 60,
    '#maxlength' => 255,
    '#description' => t('The title that will be shown at the top of the block. May be blank.'),
  );

  $form['block-info']['nodes_per_block'] = array(
    '#type' => 'textfield',
    '#title' => t('Nodes per Block'),
    '#default_value' => $view->nodes_per_block,
    '#size' => 2,
    '#maxlength' => 2,
    '#description' => t('If using a block, the maximum number of items to display in the block. Pagers are not used in blocks.'),
    '#attributes' => NULL,
  );

  $form['block-info']['block_more'] = array(
    '#type' => 'checkbox',
    '#title' => t('[More] Link?'),
    '#return_value' => 1,
    '#default_value' => $view->block_more,
    '#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?'),
  );

  $form['block-info']['block_header_fieldset'] = array(
    '#type' => 'fieldset',
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#title' => t('Header'),
  );
  $form['block-info']['block_header_fieldset']['block_use_page_header'] = array(
    '#type' => 'checkbox',
    '#title' => t('Use Page Header'),
    '#return_value' => 1,
    '#default_value' => $view->block_use_page_header,
    '#description' => t('If checked, use the Page Header for block view instead. If so, you should leave the Block Header blank.'),
  );

  $form['block-info']['block_header_fieldset']['block_header'] = array(
    '#type' => 'textarea',
    '#title' => t('Header'),
    '#default_value' => $view->block_header,
    '#cols' => 60,
    '#rows' => 6,
    '#description' => t('Text to display at the top of the view. May contain an explanation or links or whatever you like. Optional.'),
  );

  $form['block-info']['block_header_fieldset']['block_header_format'] = filter_form($view->block_header_format, 1, array( 'block_header_format'));

  $form['block-info']['block_footer_fieldset'] = array(
    '#type' => 'fieldset',
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#title' => t('Footer'),
  );
  $form['block-info']['block_footer_fieldset']['block_use_page_footer'] = array(
    '#type' => 'checkbox',
    '#title' => t('Use Page Footer'),
    '#return_value' => 1,
    '#default_value' => $view->block_use_page_footer,
    '#description' => t('If checked, use the page footer for block view instead. If so, you should leave the block footer blank.'),
  );

  $form['block-info']['block_footer_fieldset']['block_footer'] = array(