106 lines
3.7 KiB
Ruby
106 lines
3.7 KiB
Ruby
module Merb
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module GlobalHelpers
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def nl2br(str)
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str.gsub(/\n/, '<br />')
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end
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def error_messages_for(obj)
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obj = instance_variable_get("@#{obj.to_s}") if obj.is_a?(Symbol)
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return nil if obj.errors.nil? or obj.errors.empty?
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res = []
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res << "<br /><div id='errorExplanation'>"
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res << "<p>The following errors prevented the model from being saved:</p>"
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res << "<ol>"
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obj.errors.each do |field, msg|
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res << "<li>#{msg}</li>"
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end
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res << "</ol>"
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res << "</div>"
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res << "<br />"
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res.join
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end
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def show_page_description(page)
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page_cache = Cache.get(page.cache_name)
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if page_cache.nil?
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redcloth_opts = [
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:textile,
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:block_textile_prefix,
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:block_textile_lists,
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:inline_textile_code,
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:inline_textile_link,
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:inline_textile_image,
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:inline_textile_span,
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:glyphs_textile
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]
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desc = h(page.description.to_s).to_s.gsub(/\"\;/, '"')
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# i need pre/code block together... because i code :)
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desc.gsub!("<pre><code>", "<pre><code>")
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desc.gsub!("</pre></code>", "</pre></code>")
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rc = RedCloth.new(desc)
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rc.no_span_caps = true
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rc.filter_styles = true
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page_cache = rc.to_html(redcloth_opts).gsub(Page.wiki_word_pattern) do |match|
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pg_name = $1
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if Page.exists?(pg_name)
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"<a class='wiki_link' style='color: #00F;' href='#{url(:page, pg_name.gsub(/ /, '_'))}'>#{pg_name}</a>"
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else
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"<a class='missing_wiki_link' rel='nofollow' style='color: #00F;' href='#{url(:new_page, :new_name => pg_name.gsub(/ /, '_'))}'>#{pg_name}</a>?"
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end
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end
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Cache.put(page.cache_name, page_cache)
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end
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page_cache
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end
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def show_page_link(page)
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"<a href='#{url(:page, :id => page.name.gsub(/ /, '_'))}'>#{page.name}</a>"
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end
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def tag_cloud(tags)
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max = 0
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tags.each { |tag| max = tag.count.to_i if tag.count.to_i > max }
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min = max
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tags.each { |tag| min = tag.count.to_i if tag.count.to_i < min }
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divisor = ((max - min) / tag_cloud_styles.size) + 1
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tags.collect { |t| "<span class='#{tag_cloud_styles[(t.count.to_i - min) / divisor]}'><a href='#{url(:tag, :id => t.name)}'>#{t.name}</a></span>" }.join(' ')
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end
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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 tag_cloud_6 tag_cloud_7 tag_cloud_8 tag_cloud_9 tag_cloud_10 tag_cloud_11 tag_cloud_12)
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end
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def allowed_to?(name, obj = nil)
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return false if session[:author_id].nil?
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@author_for_permissions ||= Author.find(session[:author_id])
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has_base = Permission.author_has_permission_to?(name, @author_for_permissions)
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if obj and obj.respond_to?('author_id') and obj.author_id != session[:author_id]
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has_base and Permission.author_has_permission_to?("any_#{name}", @author_for_permissions)
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else
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has_base
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end
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end
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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(partial(partial_name, :locals => options), block.binding)
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end
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def photo_url(photo)
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"/photos/#{photo.id}/#{photo.filename}"
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end
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def screen_photo_url(photo)
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url(:controller => 'photos', :action => 'screen', :id => photo.id)
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end
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def thumbnail_photo_url(photo)
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url(:controller => 'photos', :action => 'thumbnail', :id => photo.id)
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end
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def indicator
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"<img src='/images/ajax-loader.gif' id='indicator' alt='indicator' style='display: none;' />"
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end
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end
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end
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