openproject/app/views/cost_reports/index.rhtml

<% @query = CostQuery.new
    @query.filter :project_id, :value => [1,2]
    @query.group_by :tweek
    @query.column :tweek
    @query.row :user_id
    @query.row :project_id
    
    @walker = @query.walker
    @row = @walker.row_first
    @column = @walker.column_first
%>

<%# things above this line should be deleted or go into the controler %>

<% if @custom_error %>
  <div class="flash error"><%= @custom_error %></div>
<% end %>

<h2><%= l(:label_cost_report) %></h2>
<% html_title( l(:label_cost_report) ) %>

<% form_for @query, :url => {:controller => 'cost_report', :action => 'new' }, :html => {:id => 'query_form', :method => :post} do |query_form| %>
<div id="query_from_content">
  <fieldset id="filters" class="collapsible <%= "collapsed" unless @query.new_record? %>">
    <legend onclick="toggleFieldset(this);"><%= l(:label_filter_plural) %></legend>
    <div <%#= 'style="display:none;"' unless @query.new_record? %>><%#= render :partial => 'filters', :locals => {:query_form => query_form} %></div>
  </fieldset>

  <fieldset id="group-by" class="collapsible">
    <legend onclick="toggleFieldset(this);"><%= l(:label_group_by) %></legend>
    <div><%#= render :partial => 'group_by', :locals => {:query_form => query_form} %></div>
  </fieldset>

  <p class="buttons">
  <%= link_to_remote l(:button_apply),
                     { :url => { :set_filter => 1 },
                       :update => "content",
                       :with => "Form.serialize('query_form')"
                     }, :class => 'icon icon-checked' %>

  <%= link_to_remote l(:button_clear),
                     { :url => { :set_filter => 1 },
                       :update => "content",
                     }, :class => 'icon icon-reload'  %>
  <% if User.current.allowed_to?(:save_queries, @project, :global => true) %>
  <%
    #link_to l(:button_save), {}, :onclick => "$('query_form').submit(); return false;", :class => 'icon icon-save'
  %>
  <% end %>
  </p>
</div>
<% end %>

<h1>Die sch&ouml;ne Tabelle:</h1>
<%

data = @query.walk(:row_first) do |current, sub|
  if current.column?
    if @was_column
      next sub.join
    else
      @was_column = true
      next sub
    end
  end
  field = "<td rowspan='%d'>#{current.type}, #{@was_column.inspect}: #{current.fields.inspect}</td>"
  if sub.blank?
    [field % 1]
  else
    if @was_column
      @was_column = false
      [(field % 1) << sub.join]
    else
      first, *rest = sub.flatten
      size = rest.size + 1
      first = (field % size) << first
      [first, *rest]
    end
  end
end

%>

<table border='1'>
  <% data.flatten.each do |line| %>
    <tr><%= line %></tr>
  <% end %>
</table>

<div style="border-width: 1; background-color: #BBB; padding: 5px">
  query chain: <br />
  <ul>
  <% chain = @query.chain
  while chain %>
    <li><%= chain.class.to_s %></li>
  <% chain = chain.child
    end %>
  </ul>

  <% max = 20 %>
  Result (row):
  <pre><% @row.recursive_each_with_level do |l, r| %>
    <%= "#{'|  '*l}#{r.class} (#{r.fields}) # size:#{r.size}" %><% max -=1; break if max <= 0; end %>
    ...
  </pre>

  <% max = 20 %>
  Result (column):
  <pre><% @column.recursive_each_with_level do |l, r| %>
    <%= "#{'|  '*l}#{r.class} (#{r.fields}) # size:#{r.size}" %><% max -=1; break if max <= 0; end %>
    ...
  </pre>
  
  SQL statement: <br />
  <pre><%= @query.sql_statement.to_s %></pre>
</div>

<% content_for :header_tags do %>
    <%= stylesheet_link_tag 'scm' %>
    <%= stylesheet_link_tag 'costs', :plugin => 'redmine_costs' %>
<% end %>