Module: Zena::Use::Display::ZafuMethods

Includes:
RubyLess, Common
Defined in:
lib/zena/use/display.rb

Overview

ViewMethods

Constant Summary collapse

SHOW_KEYS = 
[:tz, :tformat, :format, :lang, :zero]

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Common

#icon_finder

Class Method Details

.included(base) ⇒ Object

As a last resort, if the method does not compile try to use <r:show eval=‘…’/>



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# File 'lib/zena/use/display.rb', line 429

def self.included(base)
  base.process_unknown :show_eval
end

Instance Method Details

#extract_label(res, attribute) ⇒ Object 



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# File 'lib/zena/use/display.rb', line 518

def extract_label(res, attribute)
  return res if @params[:type] == 'hidden'
  attribute ||= @params[:param]
  if (label = param(:label) || param(:tlabel)) && attribute
    case label
    when 'true'
      "<label>#{attribute}</label> <span>#{res}</span>"
    when 't'
      "<label>#{trans(attribute)}</label> <span>#{res}</span>"
    when '','false'
      # no label
      res
    else
      if @params[:tlabel]
        code = ::RubyLess.translate(self, "t(%Q{#{label}})")
      else
        code = ::RubyLess.translate_string(self, label)
      end
      if code.literal
        "<label>#{code.literal}</label> <span>#{res}</span>"
      else
        "<label><%= #{code} %></label> <span>#{res}</span>"
      end
    end
  else
    res
  end
end

#r_add_document ⇒ Object

Show html to add open a popup window to add a document. TODO: inline ajax for upload ?



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# File 'lib/zena/use/display.rb', line 627

def r_add_document
  return parser_error("only works with nodes (not with #{node.klass})") unless node.will_be?(Node)
  @markup.append_param(:class, 'btn_add')
  node = self.node.list_context? ? self.node.up : self.node

  params = {}
  @params.each do |k,v|
    next if [:attr, :eval, :text, :t].include?(k)
    v = RubyLess.translate_string(self, v)
    if v.literal
      params[k] = CGI.escape(v.literal)
    else
      params[k] = "<%= CGI.escape(#{v}) %>"
    end
  end
  
  res = node_action_link('add_doc', "<%= #{node}.zip %>", :text => text_for_link(''), :params => params)
  "<% if #{node}.can_write? %>#{wrap(res)}<% end %>"
end

#r_content_for_layout ⇒ Object

Used by zafu templates that act as layouts (adminLayout for example) to insert the content if present or render.



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# File 'lib/zena/use/display.rb', line 612

def r_content_for_layout
  "<% if content_for_layout = yield %><%= content_for_layout %><% else %>" +
  expand_with +
  "<% end %>"
end

#r_icon ⇒ Object

Find icon through a relation named ‘icon’ or use first image child



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# File 'lib/zena/use/display.rb', line 648

def r_icon
  if node.will_be?(Node)
    finder = build_finder(:first, icon_finder)
    expand_with_finder(finder)
  else
    rubyless_eval
  end
end

#r_img ⇒ Object

Display an image



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# File 'lib/zena/use/display.rb', line 658

def r_img
  if node.will_be?(VirtualClass)
    return "<img src='<%= #{node}.prop['icon'] %>'/>"
  elsif !node.will_be?(Node)
    return
  end

  if src = @params[:src]
    finder = ::RubyLess.translate(self, @params[:src]) #build_finder(:first, @params[:src])
    return parser_error("invalid class (#{finder.klass})") unless finder.klass <= Node

    img = finder
  else
    img = node
  end

  mode = @params[:mode] || 'std'
  # FIXME: replace this call by something that integrates better with html_tag_params and such.
  res = "img_tag(#{img}, :mode=>#{mode.inspect}"
  [:class, :alt_src, :id, :border, :style].each do |k|
    res  += ", :#{k}=>#{@params[k].inspect}" if @params[k]
  end
  if host = param(:host)
    res += ", :host => #{::RubyLess.translate_string(self, host)}"
  end
  res += ")"
  if finder = @params[:link]
    finder = ::RubyLess.translate(self, finder)

    return parser_error("Invalid class (#{finder.klass})") unless finder.klass <= Node

    opts_str = @context["exp_host"] ? ", :host => #{@context["exp_host"]}" : ""

    "<a href='<%= zen_path(#{finder}#{opts_str}) %>'><%= #{res} %></a>"
  else
    "<%= #{res} %>"
  end
end

#r_javascripts ⇒ Object

Insert javascript asset tags



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# File 'lib/zena/use/display.rb', line 553

def r_javascripts
  if @params[:list] == 'all' || @params[:list].nil?
    list = %w{ prototype effects dragdrop window zena grid upload-progress }
  else
    list = @params[:list].split(',').map{|e| e.strip}
  end

  out helper.javascript_include_tag(*list)
  return
# Experimental: move all scripts at end of file
  if list.include?('prototype')
    list -= ['prototype']
    out helper.javascript_include_tag('prototype')
  end
  return if list.empty?

  list = list.map do |e|
    "Script.load('#{helper.javascript_path(e)}');"
  end
  code = %Q{  var Script = {
    _loadedScripts: [],
    load: function(script){
      if (this._loadedScripts.include(script)){
return false;
      }
      var code = new Ajax.Request(script, {
asynchronous: false, method: "GET",
evalJS: false, evalJSON: false
      }).transport.responseText;
      if (Prototype.Browser.IE) {
window.execScript(code);
      } else if (Prototype.Browser.WebKit){
$$("head").first().insert(Object.extend(
  new Element("script", {type: "text/javascript"}), {text: code}
));
      } else {
window.eval(code);
      }
      this._loadedScripts.push(script);
    }
  };
  #{list.join("\n  ")}
  }
  out "<% js_data.unshift #{code.inspect} -%>"
end

#r_prop_grid ⇒ Object 



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# File 'lib/zena/use/display.rb', line 716

def r_prop_grid
  return parser_error("not in a list context") unless node.list_context?
  return parser_error("not a Node list") unless node.single_class <= Node
  klass = "#{node.single_class.name}"
  add_block %Q{<table class='prop_grid'>
    <tr do='#{klass}' do='roles'><th class='role' colspan='\#{columns.size}' do='each' do='name'/></tr>
    <tr do='#{klass}' do='roles' do='each' do='columns'><th do='each' do='name'/></tr>
    <tr do='each'><r:#{klass} do='roles' do='each' do='columns'><td do='each' do='@node.send(name)'/></r:#{klass}></tr>
  </table>}
  expand_with
end

#r_show(code = nil) ⇒ Object

Display an attribute or RubyLess code



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# File 'lib/zena/use/display.rb', line 481

def r_show(code = nil)
  if code.nil? && node.list_context?
    @context[:node] = node.move_to("#{node}.first", node.klass.first, :query => node.opts[:query])
    return r_show
  end

  if method = code || get_attribute_or_eval(false)
    # ok
  elsif node.will_be?(String) || node.will_be?(Time)
    method = RubyLess.translate(self, 'this')
  else
    return nil
  end

  klass = method.klass

  if klass.kind_of?(Array)
    res = show_string(method)
  elsif klass <= String
    res = show_string(method)
  elsif klass <= Number
    res = show_number(method)
  elsif klass <= Time
    res = show_time(method)
  else
    res = show_string(method)
  end

  res = extract_label(res, @params[:attr])

  if param(:blank) == 'hide'
    "<% if !#{method}.blank? %>#{@markup.wrap(res)}<% end %>"
  else
    res
  end
end

#r_stylesheets ⇒ Object

Insert stylesheet asset tags



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# File 'lib/zena/use/display.rb', line 600

def r_stylesheets
  if @params[:list] == 'all' || @params[:list].nil?
    list = %w{ reset window zena code grid upload-progress }
  else
    list = @params[:list].split(',').map{|e| e.strip}
  end
  list << {:media => @params[:media]} if @params[:media]
  helper.stylesheet_link_tag(*list)
end

#r_title_for_layout ⇒ Object

Display the page’s default title



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# File 'lib/zena/use/display.rb', line 619

def r_title_for_layout
  "<% if @title_for_layout %><%= @title_for_layout %><% elsif @node && [email protected]_record? %><%= @node.title %><% elsif @node.parent %><%= @node.parent.short_path %><% else %>" +
  expand_with +
  "<% end %>"
end

#r_zazen(signature = nil) ⇒ Object

Parse text with zazen helper



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# File 'lib/zena/use/display.rb', line 448

def r_zazen(signature = nil)
  if signature.nil? || @markup.tag
    # Do not create markup when using RubyLess
    @markup.prepend_param(:class, 'zazen')
    @markup.tag ||= 'div'
  end

  if signature
    # TODO: Get 'notextile' param from rubyless.
    if node = node(Node)
      {
        :class  => String,
        :method => 'zazen',
        :accept_nil => true,
        :html_safe  => true,
        :append_hash => {:node => ::RubyLess::TypedString.new(node.to_s, :class => node.klass)}
      }
    else
      nil
    end
  else
    node = node(Node) || '@node'
    return nil unless attribute = get_attribute_or_eval

    hash_arguments = extract_from_params(:code, :notextile, :host, :line_numbers, :theme, :target) || []

    hash_arguments.insert(0, ":node => #{node}")

    "<%= zazen(#{attribute}, #{hash_arguments.join(', ')}) %>"
  end
end

#r_zena ⇒ Object

Shows a ‘made with Zena’ link or logo. ;-) Thanks for using this !



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# File 'lib/zena/use/display.rb', line 698

def r_zena
  if  = @params[:logo]
    # FIXME
    case 
    when 'tiny'
    else
    end
  else
    text = case @params[:type]
    when 'garden'
      _("a Zen garden")
    else
      _("made with Zena")
    end
    "<a class='zena' href='http://zenadmin.org' title='Zena <%= Zena::VERSION %>'>#{text}</a>"
  end
end

#show_eval ⇒ Object

Transform <p do=‘created_at’ format=‘%d’/> into

<p do='show' eval='created_at' format='%d'/>



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# File 'lib/zena/use/display.rb', line 435

def show_eval
  if !@params.empty? && !(@method =~ /. ./) && (@params.keys - SHOW_KEYS == [])
    # try to use r_show without using params as arguments
    code = RubyLess.translate(self, @method)
    r_show(code)
  else
    nil
  end
rescue RubyLess::Error
  nil
end

#show_string(method) ⇒ Object

Also used by rubyless_expand



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# File 'lib/zena/use/display.rb', line 729

def show_string(method)
  if method.kind_of?(RubyLess::TypedString)
    if lit = method.literal
      if method.opts[:html_safe]
        lit
      elsif param(:h) == 'false'
        erb_escape(lit)
      else
        ::ERB::Util.html_escape(lit)
      end
    elsif param(:h) == 'false' || method.opts[:html_safe]
      "<%= #{method} %>"
    else
      "<%=h #{method} %>"
    end
  elsif param(:h) == 'false'
    "<%= #{method} %>"
  else
    "<%=h #{method} %>"
  end
end