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class drupagram_views_handler_field_images in Drupagram 7

Same name and namespace in other branches
  1. 6 views/drupagram_views_handler_field_images.inc \drupagram_views_handler_field_images

Field handler to provide simple renderer that turns a URL into a clickable link.

Hierarchy

Expanded class hierarchy of drupagram_views_handler_field_images

1 string reference to 'drupagram_views_handler_field_images'
drupagram_views_data in ./drupagram.views.inc
Implements hook_views_data().

File

./drupagram_views_field_handlers.inc, line 222
Drupagram views field handlers.

View source 
class drupagram_views_handler_field_images extends views_handler_field {
  function option_definition() {
    $conf = InstagramConf::instance();
    $options = parent::option_definition();
    $options['source'] = array(
      'default' => 'thumbnail',
    );
    $options['secure'] = array(
      'default' => FALSE,
    );
    $options['link_to_post'] = array(
      'default' => FALSE,
    );
    $options['use_caption_for_alt_text'] = array(
      'default' => FALSE,
    );
    if (module_exists('image')) {
      $options['image_style'] = array(
        'default' => '',
      );
    }
    return $options;
  }
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['source'] = array(
      '#title' => t('Image Source'),
      '#type' => 'select',
      '#options' => array(
        'thumbnail' => t('Instagram: Thumbnail'),
        'standard_resolution' => t('Instagram: Standard resolution'),
        'low_resolution' => t('Instagram: Low resolution'),
        'local' => t('Local cache'),
      ),
      '#default_value' => $this->options['source'],
    );
    $form['secure'] = array(
      '#title' => t('Secure request'),
      '#description' => t('If checked, remote source images will be requested via https://'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['secure']),
      '#dependency' => array(
        'edit-options-source' => array(
          'thumbnail',
          'standard_resolution',
          'low_resolution',
        ),
      ),
    );
    if (module_exists('image')) {
      $styles = image_styles();
      $style_options = array(
        '' => t('Default'),
      );
      foreach ($styles as $style) {
        $style_options[$style['name']] = $style['name'];
      }
      $form['image_style'] = array(
        '#title' => t('Image style'),
        '#description' => t('Using <em>Default</em> will use the site-wide image style for user pictures set in the <a href="!account-settings">Account settings</a>.', array(
          '!account-settings' => url('admin/config/people/accounts', array(
            'fragment' => 'edit-personalization',
          )),
        )),
        '#type' => 'select',
        '#options' => $style_options,
        '#default_value' => $this->options['image_style'],
        '#dependency' => array(
          'edit-options-source' => array(
            'local',
          ),
        ),
      );
    }
    $form['link_to_post'] = array(
      '#title' => t('Link to post'),
      '#description' => t('If the link field is available, the image field will link to the Instagram post'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['link_to_post']),
    );
    $form['use_caption_for_alt_text'] = array(
      '#title' => t('Use caption for alt text'),
      '#description' => t('If the caption field is available, it will be used for alt text'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['use_caption_for_alt_text']),
    );
  }
  function render($values) {
    $value = $values->{$this->field_alias};
    $images = unserialize($value);
    if (!empty($this->options['source'])) {
      $source = $this->options['source'];
    }
    $caption_text = '';
    if ($this->options['use_caption_for_alt_text'] && isset($values->drupagram_caption) && !empty($values->drupagram_caption)) {
      $caption = unserialize($values->drupagram_caption);
      $caption_text = check_plain($caption['text']);
    }
    if ($this->options['source'] == 'local') {
      if ($remote = $this
        ->get_value($values)) {
        $images = unserialize($remote);
        $picture = drupagram_local_image($images['standard_resolution']['url']);
        $picture_filepath = $picture->uri;
        if (file_valid_uri($picture_filepath)) {
          if (module_exists('image') && !empty($this->options['image_style'])) {
            $image = theme('image_style', array(
              'style_name' => $this->options['image_style'],
              'path' => $picture_filepath,
              'alt' => $caption_text,
            ));
          }
          else {
            $image = theme('image', array(
              'path' => $picture_filepath,
              'alt' => $caption_text,
            ));
          }
        }
      }
    }
    else {
      $path = $images[$source]['url'];
      if ($this->options['secure']) {
        $path = str_replace('http://', 'https://', $path);
      }
      $image = theme('image', array(
        'path' => $path,
        'alt' => $caption_text,
      ));
    }
    if ($this->options['link_to_post'] && isset($values->drupagram_link) && !empty($values->drupagram_link)) {
      return l($image, $values->drupagram_link, array(
        'html' => TRUE,
        'attributes' => array(
          'target' => '_blank',
          'rel' => 'nofollow',
        ),
      ));
    }
    return $image;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
drupagram_views_handler_field_images::options_form function Default options form provides the label widget that all fields should have. Overrides views_handler_field::options_form
drupagram_views_handler_field_images::option_definition function Information about options for all kinds of purposes will be held here. Overrides views_handler_field::option_definition
drupagram_views_handler_field_images::render function Render the field. Overrides views_handler_field::render
views_handler::$handler_type public property The type of the handler, for example filter/footer/field.
views_handler::$query public property Where the $query object will reside:. 1
views_handler::$real_field public property The actual field in the database table, maybe different on other kind of query plugins/special handlers.
views_handler::$relationship public property The relationship used for this field.
views_handler::$table_alias public property The alias of the table of this handler which is used in the query.
views_handler::$view public property The top object of a view. Overrides views_object::$view
views_handler::accept_exposed_input public function Take input from exposed handlers and assign to this handler, if necessary. 1
views_handler::access public function Check whether current user has access to this handler. 10
views_handler::broken public function Determine if the handler is considered 'broken'. 6
views_handler::can_expose public function Determine if a handler can be exposed. 2
views_handler::case_transform public function Transform a string by a certain method.
views_handler::ensure_my_table public function Ensure the main table for this handler is in the query. This is used a lot. 8
views_handler::exposed_form public function Render our chunk of the exposed handler form when selecting. 1
views_handler::exposed_info public function Get information about the exposed form for the form renderer. 1
views_handler::exposed_submit public function Submit the exposed handler form.
views_handler::exposed_validate public function Validate the exposed handler form. 4
views_handler::expose_form public function Form for exposed handler options. 2
views_handler::expose_options public function Set new exposed option defaults when exposed setting is flipped on. 2
views_handler::expose_submit public 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 public function Validate the options form. 1
views_handler::extra_options public function Provide defaults for the handler.
views_handler::extra_options_form public function Provide a form for setting options. 1
views_handler::extra_options_submit public 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 public function Validate the options form.
views_handler::get_field public function Shortcut to get a handler's raw field value.
views_handler::get_join public function Get the join object that should be used for this handler.
views_handler::groupby_form public function Provide a form for aggregation settings. 1
views_handler::groupby_form_submit public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. 1
views_handler::has_extra_options public function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
views_handler::is_a_group public function Returns TRUE if the exposed filter works like a grouped filter. 1
views_handler::is_exposed public function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
views_handler::multiple_exposed_input public function Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets. 1
views_handler::needs_style_plugin public function Determine if the argument needs a style plugin. 1
views_handler::options_validate public function Validate the options form. 4
views_handler::placeholder public function Provides a unique placeholders for handlers.
views_handler::post_execute public function Run after the view is executed, before the result is cached. 1
views_handler::pre_query public function Run before the view is built. 1
views_handler::sanitize_value public function Sanitize the value for output.
views_handler::set_relationship public function Called just prior to query(), this lets a handler set up any relationship it needs.
views_handler::show_expose_button public function Shortcut to display the expose/hide button. 2
views_handler::show_expose_form public function Shortcut to display the exposed options form.
views_handler::store_exposed_input public function If set to remember exposed input in the session, store it there. 1
views_handler::use_group_by public function Provides the handler some groupby. 2
views_handler::validate public function Validates the handler against the complete View. 1
views_handler_field::$additional_fields public property Stores additional fields which get added to the query. The generated aliases are stored in $aliases.
views_handler_field::$aliases public property
views_handler_field::$field_alias public property
views_handler_field::$last_render_index protected property Keeps track of the last render index.
views_handler_field::$original_value public property The field value prior to any rewriting.
views_handler_field::add_additional_fields public function Add 'additional' fields to the query.
views_handler_field::add_self_tokens public function Add any special tokens this field might use for itself. 4
views_handler_field::admin_summary public function Provide extra data to the administration form Overrides views_handler::admin_summary
views_handler_field::advanced_render public function Render a field using advanced settings.
views_handler_field::allow_advanced_render public function Determine if this field can allow advanced rendering. 1
views_handler_field::click_sort public function Called to determine what to tell the clicksorter. 1
views_handler_field::click_sortable public function Determine if this field is click sortable. 1
views_handler_field::construct public function Construct a new field handler. Overrides views_object::construct 17
views_handler_field::document_self_tokens public function Document any special tokens this field might use for itself. 4
views_handler_field::element_classes public function Return the class of the field.
views_handler_field::element_label_classes public function Return the class of the field's label.
views_handler_field::element_label_type public function Return an HTML element for the label based upon the field's element type.
views_handler_field::element_type public function Return an HTML element based upon the field's element type. 2
views_handler_field::element_wrapper_classes public function Return the class of the field's wrapper.
views_handler_field::element_wrapper_type public function Return an HTML element for the wrapper based upon the field's element type.
views_handler_field::get_elements public function Provide a list of elements valid for field HTML.
views_handler_field::get_render_tokens public function Get the 'render' tokens to use for advanced rendering.
views_handler_field::get_token_values_recursive public function Recursive function to add replacements for nested query string parameters.
views_handler_field::get_value public function Get the value that's supposed to be rendered. 3
views_handler_field::init public function Init the handler with necessary data. Overrides views_handler::init 11
views_handler_field::is_value_empty public function Checks if a field value is empty.
views_handler_field::label public function Get this field's label.
views_handler_field::options_submit public function Performs some cleanup tasks on the options array before saving it. Overrides views_handler::options_submit 1
views_handler_field::pre_render public function Run before any fields are rendered. 8
views_handler_field::query public function Called to add the field to a query. 22
views_handler_field::render_altered public function Render this field as altered text, from a fieldset set by the user.
views_handler_field::render_as_link public function Render this field as a link, with info from a fieldset set by the user.
views_handler_field::render_text public function Perform an advanced text render for the item.
views_handler_field::render_trim_text public function Trim the field down to the specified length.
views_handler_field::theme public function Call out to the theme() function.
views_handler_field::theme_functions public function Build a list of suitable theme functions for this view.
views_handler_field::tokenize_value public function Replace a value with tokens from the last field.
views_handler_field::ui_name public function Return a string representing this handler's name in the UI. Overrides views_handler::ui_name 1
views_handler_field::use_string_group_by public function Determines if this field will be available as an option to group the result by in the style settings.
views_object::$definition public property Handler's definition.
views_object::$options public property Except for displays, options for the object will be held here. 1
views_object::altered_option_definition function Collect this handler's option definition and alter them, ready for use.
views_object::destroy public function Destructor. 2
views_object::export_option public function 1
views_object::export_options public function
views_object::export_option_always public function Always exports the option, regardless of the default value.
views_object::options Deprecated public function Set default options on this object. 1
views_object::set_default_options public function Set default options.
views_object::set_definition public function Let the handler know what its full definition is.
views_object::unpack_options public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
views_object::unpack_translatable public function Unpack a single option definition.
views_object::unpack_translatables public function Unpacks each handler to store translatable texts.
views_object::_set_option_defaults public function