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<title>arrange_in_diamond (Rumai::View)</title>
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<pre><span class="ruby-comment cmt"># File lib/rumai/wm.rb, line 666</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">arrange_in_diamond</span>
<span class="ruby-identifier">numClients</span> = <span class="ruby-identifier">num_managed_clients</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">numClients</span> <span class="ruby-operator">></span> <span class="ruby-value">1</span>
<span class="ruby-comment cmt"># determine dimensions of the rising sub-triangle</span>
<span class="ruby-identifier">rise</span> = <span class="ruby-identifier">numClients</span> <span class="ruby-operator">/</span> <span class="ruby-value">2</span>
<span class="ruby-identifier">span</span> = <span class="ruby-identifier">sum</span> = <span class="ruby-value">0</span>
<span class="ruby-value">1</span>.<span class="ruby-identifier">upto</span> <span class="ruby-identifier">rise</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">h</span><span class="ruby-operator">|</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">sum</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">h</span> <span class="ruby-operator">></span> <span class="ruby-identifier">rise</span>
<span class="ruby-keyword kw">break</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">sum</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">h</span>
<span class="ruby-identifier">span</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">peak</span> = <span class="ruby-identifier">numClients</span> <span class="ruby-operator">-</span> (<span class="ruby-identifier">sum</span> <span class="ruby-operator">*</span> <span class="ruby-value">2</span>)
<span class="ruby-comment cmt"># describe the overall triangle as a sequence of heights</span>
<span class="ruby-identifier">riseSeq</span> = (<span class="ruby-value">1</span><span class="ruby-operator">..</span><span class="ruby-identifier">span</span>).<span class="ruby-identifier">to_a</span>
<span class="ruby-identifier">fallSeq</span> = <span class="ruby-identifier">riseSeq</span>.<span class="ruby-identifier">reverse</span>
<span class="ruby-identifier">heights</span> = <span class="ruby-identifier">riseSeq</span>
<span class="ruby-identifier">heights</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">peak</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">peak</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
<span class="ruby-identifier">heights</span>.<span class="ruby-identifier">concat</span> <span class="ruby-identifier">fallSeq</span>
<span class="ruby-comment cmt"># apply the heights</span>
<span class="ruby-identifier">each_column</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">col</span><span class="ruby-operator">|</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">h</span> = <span class="ruby-identifier">heights</span>.<span class="ruby-identifier">shift</span>
<span class="ruby-identifier">col</span>.<span class="ruby-identifier">length</span> = <span class="ruby-identifier">h</span>
<span class="ruby-identifier">col</span>.<span class="ruby-identifier">layout</span> = <span class="ruby-identifier">:default</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
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