148 lines
4.0 KiB
Ruby
148 lines
4.0 KiB
Ruby
module ApplicationHelper
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##
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# Returns the title for a page. This could be a Page title or something else.
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#
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def page_title
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"BarleySodas :: #{content_title} :: #{secondary_title}"
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end
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##
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# Returns a pretty name for the current chunk.
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#
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def content_title
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return h(@content_title) if @content_title
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controller.class.to_s.gsub(/Controller/, '')
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end
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##
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# Returns a secondary title for a page. Returns @secondary_title or the
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# action in the controller.
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#
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def secondary_title
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return h(@secondary_title) if @secondary_title
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''
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end
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##
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# Returns a link for a Page model.
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#
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def link_to_page(page)
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link_to h(page.title), page_path({ :id => page.title_for_url })
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end
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##
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# Helper to set the allow_discussions field in the Page model.
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#
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def allow_page_discussions
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@page.allow_discussions = true
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end
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##
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# Helper to check if Discussion is allowed. This should check the underlying
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# permissions first instead of looking in the model.
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#
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def discussions_allowed?
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@page and @page.allow_discussions?
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end
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##
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# Generates a Tag cloud.
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#
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def tag_cloud(tags, classes = tag_cloud_styles)
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max, min = 0, 0
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tags.each do |t|
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max = t.count.to_i if t.count.to_i > max
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min = t.count.to_i if t.count.to_i < min
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end
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divisor = ((max - min) / classes.size) + 1
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tags.each do |t|
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yield t.name, classes[(t.count.to_i - min) / divisor]
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end
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end
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##
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# Returns an array of Tag styles for a cloud.
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#
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def tag_cloud_styles
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%w(tag_cloud_1 tag_cloud_2 tag_cloud_3 tag_cloud_4 tag_cloud_5)
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end
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##
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# Replaces a WikiWord link with a link to a Page, if it exists.
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#
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def replace_wiki_words(str)
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str.gsub(/\[\[([A-Za-z0-9 \\]+)\]\]/) do |match|
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c_string, page_string = params[:controller], $1
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if $1.match(/\\/)
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ary = $1.split(/\\/)
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c_string, page_string = ary.first, ary.last
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end
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owner_type = c_string.singularize.humanize
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res = ''
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if Page.exists?(page_string, owner_type)
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res = link_to(page_string, { :controller => c_string, :action => :show,
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:id => page_string.gsub(/ /, '_') },
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{ :title => "View #{page_string}" })
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else
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res = link_to(page_string, { :controller => c_string,
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:action => :new, :new_title => page_string },
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{ :title => "Create #{page_string}" }) + '?'
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end
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res
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end
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end
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##
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# Captures a block output and renders it in a partial as <tt>body</tt>
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#
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def block_to_partial(partial_name, options = {}, &block)
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options.merge!(:body => capture(&block))
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concat(render(:partial => partial_name, :locals => options), block.binding)
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end
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##
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# Helper to build a prototype dialog.
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#
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def lightbox(options = {}, &block)
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options = {
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:title => 'DialogTitle',
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:window_id => 'DialogId',
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:modal => false
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}.merge(options)
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block_to_partial('shared/lightbox', options, &block)
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end
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##
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# Renders everything you need to display the TagImage browser.
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#
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def tagged_image_browser(obj)
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render(:partial => 'shared/tagged_image_browser',
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:locals => { :obj => obj })
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end
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##
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# Pagination link image browser thingey for the tagged image lightbox.
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#
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def image_browser_navigation_link(image_name, page_number, total_pages,
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tagged_class, tagged_id)
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if page_number == 0 or
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(page_number == 1 and total_pages == 1) or
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(page_number > total_pages)
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image_tag(image_name)
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else
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link_to_remote image_tag(image_name), :update => 'browser_box',
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:url => { :controller => 'tag_images', :action => 'tagged_images',
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:id => tagged_id, :tagged_type => tagged_class, :page => page_number }
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end
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end
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##
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# Link to open the dialog box for the tagged image browser.
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#
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def tagged_image_browser_link(obj = nil)
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link_to_function('Tagged Images',
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"lightboxes['tagged_image_browser'].open()") +
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(obj ? " (#{obj.tagged_images.size})" : '')
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end
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end
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