Class WeblogicPortal::Portlet
In: lib/weblogic_portal/render_portlet.rb
Parent: Object

Holds the knowledge needed for outputting the html required to render a portlet.

This class is designed to be used from WeblogicPortal::RenderPortlet.

Methods

iframe?   new   portlet_url   postback_url   render_template  

Attributes

id  [R] 
options  [R] 
portlet  [R] 

Public Class methods

new(view, portlet, options = {})

Create a Portlet instance.

Arguments:

view
(an ActionView::Base) is needed for construction of the postback url.
portlet
The uri of the portlet, as given by the :portlet option to render
options
A hash of other options passed to render

The id attribute is set from the :label option, if set (which it should be when called from RenderPortlet).

[Source]

     # File lib/weblogic_portal/render_portlet.rb, line 104
104:     def initialize view, portlet, options = {}
105:       @view = view  # we need the view instance for constructing proper urls
106:       @portlet = portlet
107:       @options = options
108:       # some label is required.  Should have been set, but ensure it is something
109:       @id = options[:label] ||= '_wlponrails'
110:     end

Public Instance methods

iframe?()

will this portlet embed as an iframe, or use ajax?

[Source]

     # File lib/weblogic_portal/render_portlet.rb, line 113
113:     def iframe?
114:       if options.has_key? :embedded
115:         options[:embedded]
116:       else
117:         config.embedded_default
118:       end
119:     end
portlet_url()

return the portlet url. Constructed by eval’ing portlet_url_template from the Configuration.

[Source]

     # File lib/weblogic_portal/render_portlet.rb, line 123
123:     def portlet_url
124:       eval config.portlet_url_template
125:     end
postback_url()

construct the postback url. This is generally the url back to the page containing the portlets.

[Source]

     # File lib/weblogic_portal/render_portlet.rb, line 129
129:     def postback_url
130:       @view.url_for :overwrite_params=>{:_nfpb=>'true'}
131:     end
render_template()

Returns the content of the evaluated template file, as defined by either portlet_content_iframe or portlet_content_ajax from the configuration (depending on the value of iframe?)

[Source]

     # File lib/weblogic_portal/render_portlet.rb, line 136
136:     def render_template
137:       b = binding
138:       f = iframe? ? config.portlet_content_iframe : config.portlet_content_ajax
139:       template = File.expand_path( f, File.dirname(__FILE__) )
140:       ERB.new( File.read( template ), 0, "<>" ).result( b )
141:     end

[Validate]