class views_handler_argument_string

  1. 3.x handlers/views_handler_argument_string.inc views_handler_argument_string
  2. 2.x handlers/views_handler_argument_string.inc views_handler_argument_string

Basic argument handler to implement string arguments that may have length limits.

Hierarchy

Expanded class hierarchy of views_handler_argument_string

Related topics

12 string references to 'views_handler_argument_string'
aggregator_views_data in modules/aggregator.views.inc
Implements hook_views_data().
comment_views_data in modules/comment.views.inc
field_views_field_default_views_data in modules/field.views.inc
Default views data implementation for a field.
hook_views_data in ./views.api.php
Describes data tables (or the equivalent) to Views.
locale_views_data in modules/locale.views.inc
Implements hook_views_data().

... See full list

File

handlers/views_handler_argument_string.inc, line 14
Definition of views_handler_argument_string.

View source
class views_handler_argument_string extends views_handler_argument {
  function init(&$view, &$options) {
    parent::init($view, $options);
    if (!empty($this->definition['many to one'])) {
      $this->helper = new views_many_to_one_helper($this);

      // Ensure defaults for these, during summaries and stuff:
      $this->operator = 'or';
      $this->value = array();
    }
  }

  function option_definition() {
    $options = parent::option_definition();

    $options['glossary'] = array('default' => FALSE, 'bool' => TRUE);
    $options['limit'] = array('default' => 0);
    $options['case'] = array('default' => 'none');
    $options['path_case'] = array('default' => 'none');
    $options['transform_dash'] = array('default' => FALSE, 'bool' => TRUE);
    $options['break_phrase'] = array('default' => FALSE, 'bool' => TRUE);

    if (!empty($this->definition['many to one'])) {
      $options['add_table'] = array('default' => FALSE, 'bool' => TRUE);
      $options['require_value'] = array('default' => FALSE, 'bool' => TRUE);
    }

    return $options;
  }

  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);

    $form['glossary'] = array(
      '#type' => 'checkbox',
      '#title' => t('Glossary mode'),
      '#description' => t('Glossary mode applies a limit to the number of characters used in the filter value, which allows the summary view to act as a glossary.'),
      '#default_value' => $this->options['glossary'],
      '#fieldset' => 'more',
    );

    $form['limit'] = array(
      '#type' => 'textfield',
      '#title' => t('Character limit'),
      '#description' => t('How many characters of the filter value to filter against. If set to 1, all fields starting with the first letter in the filter value would be matched.'),
      '#default_value' => $this->options['limit'],
      '#dependency' => array('edit-options-glossary' => array(TRUE)),
      '#fieldset' => 'more',
    );

    $form['case'] = array(
      '#type' => 'select',
      '#title' => t('Case'),
      '#description' => t('When printing the title and summary, how to transform the case of the filter value.'),
      '#options' => array(
        'none' => t('No transform'),
        'upper' => t('Upper case'),
        'lower' => t('Lower case'),
        'ucfirst' => t('Capitalize first letter'),
        'ucwords' => t('Capitalize each word'),
      ),
      '#default_value' => $this->options['case'],
      '#fieldset' => 'more',
    );

    $form['path_case'] = array(
      '#type' => 'select',
      '#title' => t('Case in path'),
      '#description' => t('When printing url paths, how to transform the case of the filter value. Do not use this unless with Postgres as it uses case sensitive comparisons.'),
      '#options' => array(
        'none' => t('No transform'),
        'upper' => t('Upper case'),
        'lower' => t('Lower case'),
        'ucfirst' => t('Capitalize first letter'),
        'ucwords' => t('Capitalize each word'),
      ),
      '#default_value' => $this->options['path_case'],
      '#fieldset' => 'more',
    );

    $form['transform_dash'] = array(
      '#type' => 'checkbox',
      '#title' => t('Transform spaces to dashes in URL'),
      '#default_value' => $this->options['transform_dash'],
      '#fieldset' => 'more',
    );

    if (!empty($this->definition['many to one'])) {
      $form['add_table'] = array(
        '#type' => 'checkbox',
        '#title' => t('Allow multiple filter values to work together'),
        '#description' => t('If selected, multiple instances of this filter can work together, as though multiple values were supplied to the same filter. This setting is not compatible with the "Reduce duplicates" setting.'),
        '#default_value' => !empty($this->options['add_table']),
        '#fieldset' => 'more',
      );

      $form['require_value'] = array(
        '#type' => 'checkbox',
        '#title' => t('Do not display items with no value in summary'),
        '#default_value' => !empty($this->options['require_value']),
        '#fieldset' => 'more',
      );
    }

    // allow + for or, , for and
    $form['break_phrase'] = array(
      '#type' => 'checkbox',
      '#title' => t('Allow multiple values'),
      '#description' => t('If selected, users can enter multiple values in the form of 1+2+3 (for OR) or 1,2,3 (for AND).'),
      '#default_value' => !empty($this->options['break_phrase']),
      '#fieldset' => 'more',
    );
  }

  /**
   * Build the summary query based on a string
   */
  function summary_query() {
    if (empty($this->definition['many to one'])) {
      $this->ensure_my_table();
    }
    else {
      $this->table_alias = $this->helper->summary_join();
    }

    if (empty($this->options['glossary'])) {
      // Add the field.
      $this->base_alias = $this->query->add_field($this->table_alias, $this->real_field);
      $this->query->set_count_field($this->table_alias, $this->real_field);
    }
    else {
      // Add the field.
      $formula = $this->get_formula();
      $this->base_alias = $this->query->add_field(NULL, $formula, $this->field . '_truncated');
      $this->query->set_count_field(NULL, $formula, $this->field, $this->field . '_truncated');
    }

    $this->summary_name_field();
    return $this->summary_basics(FALSE);
  }

  /**
   * Get the formula for this argument.
   *
   * $this->ensure_my_table() MUST have been called prior to this.
   */
  function get_formula() {
    return "SUBSTRING($this->table_alias.$this->real_field, 1, " . intval($this->options['limit']) . ")";
  }

  /**
   * Build the query based upon the formula
   */
  function query($group_by = FALSE) {
    $argument = $this->argument;
    if (!empty($this->options['transform_dash'])) {
      $argument = strtr($argument, '-', ' ');
    }

    if (!empty($this->options['break_phrase'])) {
      views_break_phrase_string($argument, $this);
    }
    else {
      $this->value = array($argument);
      $this->operator = 'or';
    }

    if (!empty($this->definition['many to one'])) {
      if (!empty($this->options['glossary'])) {
        $this->helper->formula = TRUE;
      }
      $this->helper->ensure_my_table();
      $this->helper->add_filter();
      return;
    }

    $this->ensure_my_table();
    $formula = FALSE;
    if (empty($this->options['glossary'])) {
      $field = "$this->table_alias.$this->real_field";
    }
    else {
      $formula = TRUE;
      $field = $this->get_formula();
    }

    if (count($this->value) > 1) {
      $operator = 'IN';
      $argument = $this->value;
    }
    else {
      $operator = '=';
    }

    if ($formula) {
      $placeholder = $this->placeholder();
      if ($operator == 'IN') {
        $field .= " IN($placeholder)";
      }
      else {
        $field .= ' = ' . $placeholder;
      }
      $placeholders = array(
        $placeholder => $argument,
      );
      $this->query->add_where_expression(0, $field, $placeholders);
    }
    else {
      $this->query->add_where(0, $field, $argument, $operator);
    }
  }

  function summary_argument($data) {
    $value = $this->case_transform($data->{$this->base_alias}, $this->options['path_case']);
    if (!empty($this->options['transform_dash'])) {
      $value = strtr($value, ' ', '-');
    }
    return $value;
  }

  function get_sort_name() {
    return t('Alphabetical', array(), array('context' => 'Sort order'));
  }

  function title() {
    $this->argument = $this->case_transform($this->argument, $this->options['case']);
    if (!empty($this->options['transform_dash'])) {
      $this->argument = strtr($this->argument, '-', ' ');
    }

    if (!empty($this->options['break_phrase'])) {
      views_break_phrase_string($this->argument, $this);
    }
    else {
      $this->value = array($this->argument);
      $this->operator = 'or';
    }

    if (empty($this->value)) {
      return !empty($this->definition['empty field name']) ? $this->definition['empty field name'] : t('Uncategorized');
    }

    if ($this->value === array(-1)) {
      return !empty($this->definition['invalid input']) ? $this->definition['invalid input'] : t('Invalid input');
    }

    return implode($this->operator == 'or' ? ' + ' : ', ', $this->title_query());
  }

  /**
   * Override for specific title lookups.
   */
  function title_query() {
    return drupal_map_assoc($this->value, 'check_plain');
  }

  function summary_name($data) {
    return $this->case_transform(parent::summary_name($data), $this->options['case']);
  }

}

Members

Contains filters are case sensitive
Namesort descending Modifiers Type Description
views_handler::$table_alias public property The alias of the table of this handler which is used in the query.
views_handler::accept_exposed_input function Take input from exposed handlers and assign to this handler, if necessary.
views_handler::access function Check whether current user has access to this handler.
views_handler::admin_summary function Provide text for the administrative summary
views_handler::broken function Determine if the handler is considered 'broken', meaning it's a a placeholder used when a handler can't be found.
views_handler::can_expose function Determine if a handler can be exposed.
views_handler::case_transform function Transform a string by a certain method.
views_handler::ensure_my_table function Ensure the main table for this handler is in the query. This is used a lot.
views_handler::exposed_form function Render our chunk of the exposed handler form when selecting
views_handler::exposed_info function Get information about the exposed form for the form renderer.
views_handler::exposed_submit function Submit the exposed handler form
views_handler::exposed_validate function Validate the exposed handler form
views_handler::expose_form function Form for exposed handler options.
views_handler::expose_options function Set new exposed option defaults when exposed setting is flipped on.
views_handler::expose_submit function Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
views_handler::expose_validate function Validate the options form.
views_handler::extra_options function Provide defaults for the handler.
views_handler::extra_options_form function Provide a form for setting options.
views_handler::extra_options_submit function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
views_handler::extra_options_validate function Validate the options form.
views_handler::get_field function Shortcut to get a handler's raw field value.
views_handler::get_join function Get the join object that should be used for this handler.
views_handler::groupby_form function Provide a form for aggregation settings.
views_handler::groupby_form_submit function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
views_handler::has_extra_options function If a handler has 'extra options' it will get a little settings widget and another form called extra_options.
views_handler::is_a_group function Returns TRUE if the exposed filter works like a grouped filter.
views_handler::is_exposed function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
views_handler::multiple_exposed_input function Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets.
views_handler::placeholder function Provides a unique placeholders for handlers.
views_handler::post_execute function Run after the view is executed, before the result is cached.
views_handler::pre_query function Run before the view is built.
views_handler::sanitize_value function Sanitize the value for output.
views_handler::set_relationship function Called just prior to query(), this lets a handler set up any relationship it needs.
views_handler::show_expose_button function Shortcut to display the expose/hide button.
views_handler::show_expose_form function Shortcut to display the exposed options form.
views_handler::store_exposed_input function If set to remember exposed input in the session, store it there.
views_handler::ui_name function Return a string representing this handler's name in the UI.
views_handler::use_group_by function Provides the handler some groupby.
views_handler::validate function Validates the handler against the complete View.
views_handler_argument::construct function Constructor Overrides views_object::construct
views_handler_argument::default_access_denied function Default action: access denied.
views_handler_argument::default_action function Handle the default action, which means our argument wasn't present.
views_handler_argument::default_actions function Provide a list of default behaviors for this argument if the argument is not present.
views_handler_argument::default_argument_form function Provide a form for selecting the default argument when the default action is set to provide default argument.
views_handler_argument::default_default function This just returns true. The view argument builder will know where to find the argument from.
views_handler_argument::default_empty function Default action: empty
views_handler_argument::default_ignore function Default action: ignore.
views_handler_argument::default_not_found function Default action: not found.
views_handler_argument::default_summary function Default action: summary.
views_handler_argument::default_summary_form function Provide a form for selecting further summary options when the default action is set to display one.
views_handler_argument::exception_title function
views_handler_argument::export_plugin function Generic plugin export handler.
views_handler_argument::export_summary function Export handler for summary export.
views_handler_argument::export_validation function Export handler for validation export.
views_handler_argument::get_default_argument function Get a default argument, if available.
views_handler_argument::get_plugin function Get the display or row plugin, if it exists.
views_handler_argument::get_title function Called by the view object to get the title. This may be set by a validator so we don't necessarily call through to title().
views_handler_argument::get_value function Get the value of this argument.
views_handler_argument::has_default_argument function Determine if the argument is set to provide a default argument.
views_handler_argument::is_exception function
views_handler_argument::needs_style_plugin function Determine if the argument needs a style plugin. Overrides views_handler::needs_style_plugin
views_handler_argument::options_submit function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. Overrides views_handler::options_submit
views_handler_argument::options_validate function Validate the options form. Overrides views_handler::options_validate
views_handler_argument::process_summary_arguments function Process the summary arguments for display.
views_handler_argument::set_argument function Set the input for this argument
views_handler_argument::set_breadcrumb function Give an argument the opportunity to modify the breadcrumb, if it wants. This only gets called on displays where a breadcrumb is actually used.
views_handler_argument::summary_basics function Some basic summary behavior that doesn't need to be repeated as much as code that goes into summary_query()
views_handler_argument::summary_name_field function Add the name field, which is the field displayed in summary queries. This is often used when the argument is numeric.
views_handler_argument::summary_sort function Sorts the summary based upon the user's selection. The base variant of this is usually adequte.
views_handler_argument::uses_breadcrumb function Determine if the argument can generate a breadcrumb
views_handler_argument::validate_arg function Validate that this argument works. By default, all arguments are valid.
views_handler_argument::validate_argument function Called by the menu system to validate an argument.
views_handler_argument::validate_argument_basic function Provide a basic argument validation.
views_handler_argument::validate_fail function How to act if validation failes
views_handler_argument_string::get_formula function Get the formula for this argument.
views_handler_argument_string::get_sort_name function Return a description of how the argument would normally be sorted. Overrides views_handler_argument::get_sort_name
views_handler_argument_string::init function init the handler with necessary data. Overrides views_handler_argument::init
views_handler_argument_string::options_form function Build the options form. Overrides views_handler_argument::options_form
views_handler_argument_string::option_definition function Information about options for all kinds of purposes will be held here. @code 'option_name' => array( Overrides views_handler_argument::option_definition
views_handler_argument_string::query function Build the query based upon the formula Overrides views_handler_argument::query
views_handler_argument_string::summary_argument function Provide the argument to use to link from the summary to the next level; this will be called once per row of a summary, and used as part of $view->get_url(). Overrides views_handler_argument::summary_argument
views_handler_argument_string::summary_name function Provides the name to use for the summary. By default this is just the name field. Overrides views_handler_argument::summary_name
views_handler_argument_string::summary_query function Build the summary query based on a string Overrides views_handler_argument::summary_query
views_handler_argument_string::title function Get the title this argument will assign the view, given the argument. Overrides views_handler_argument::title
views_handler_argument_string::title_query function Override for specific title lookups.
views_object::destroy function
views_object::export_option function
views_object::export_options function
views_object::export_option_always function Always exports the option, regardless of the default value.
views_object::options Deprecated function Set default options on this object. Called by the constructor in a complex chain to deal with backward compatibility.
views_object::set_default_options function Set default options. For backward compatibility, it sends the options array; this is a feature that will likely disappear at some point.
views_object::set_definition function Let the handler know what its full definition is.
views_object::unpack_options function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
views_object::unpack_translatable function Unpack a single option definition.
views_object::unpack_translatables function Unpacks each handler to store translatable texts.
views_object::_set_option_defaults function