+ def link_to_arvados_object_if_readable(attrvalue, link_text_if_not_readable, opts={})
+ resource_class = resource_class_for_uuid(attrvalue.split('/')[0]) if attrvalue.is_a?(String)
+ if !resource_class
+ return link_to_if_arvados_object attrvalue, opts
+ end
+
+ readable = object_readable attrvalue, resource_class
+ if readable
+ link_to_if_arvados_object attrvalue, opts
+ elsif opts[:required] and current_user # no need to show this for anonymous user
+ raw('<div><input type="text" style="border:none;width:100%;background:#ffdddd" disabled=true class="required unreadable-input" value="') + link_text_if_not_readable + raw('" ></input></div>')
+ else
+ link_text_if_not_readable
+ end
+ end
+
+ # This method takes advantage of preloaded collections and objects.
+ # Hence you can improve performance by first preloading objects
+ # related to the page context before using this method.
+ def object_readable attrvalue, resource_class=nil
+ # if it is a collection filename, check readable for the locator
+ attrvalue = attrvalue.split('/')[0] if attrvalue
+
+ resource_class = resource_class_for_uuid(attrvalue) if resource_class.nil?
+ return if resource_class.nil?
+
+ return_value = nil
+ if resource_class.to_s == 'Collection'
+ if CollectionsHelper.match(attrvalue)
+ found = collection_for_pdh(attrvalue)
+ return_value = found.first if found.any?
+ else
+ found = collections_for_object(attrvalue)
+ return_value = found.first if found.any?
+ end
+ else
+ return_value = object_for_dataclass(resource_class, attrvalue)
+ end
+ return_value
+ end
+
+ # Render an editable attribute with the attrvalue of the attr.
+ # The htmloptions are added to the editable element's list of attributes.
+ # The nonhtml_options are only used to customize the display of the element.
+ def render_editable_attribute(object, attr, attrvalue=nil, htmloptions={}, nonhtml_options={})