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Module: Draper::AllHelpers
&mdash; Documentation by YARD 0.7.2
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<div id="content"><h1>Module: Draper::AllHelpers
</h1>
<dl class="box">
<dt class="r1 last">Defined in:</dt>
<dd class="r1 last">lib/draper/all_helpers.rb</dd>
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<h2>
Instance Method Summary
<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#all_helpers-instance_method" title="#all_helpers (instance method)">- (Object) <strong>all_helpers</strong> </a>
</span>
<span class="summary_desc"><div class='inline'><p>Most of the black magic here thanks to Xavier Shay (@xshay)
Provide access to helper methods from outside controllers and views,
such as in Presenter objects.</p>
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</li>
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<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<p class="signature first" id="all_helpers-instance_method">
- (<tt>Object</tt>) <strong>all_helpers</strong>
</p><div class="docstring">
<div class="discussion">
<p>Most of the black magic here thanks to Xavier Shay (@xshay)
Provide access to helper methods from outside controllers and views,
such as in Presenter objects. Rails provides ActionController::Base.helpers,
but this does not include any of our application helpers.</p>
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<pre class="code"><span class="info file"># File 'lib/draper/all_helpers.rb', line 7</span>
<span class='def def kw'>def</span> <span class='all_helpers identifier id'>all_helpers</span>
<span class='@all_helpers_proxy ivar id'>@all_helpers_proxy</span> <span class='opasgn op'>||=</span> <span class='begin begin kw'>begin</span>
<span class='comment val'># Start with just the rails helpers. This is the same method used</span>
<span class='comment val'># by ActionController::Base.helpers</span>
<span class='comment val'># proxy = ActionView::Base.new.extend(_helpers)</span>
<span class='proxy identifier id'>proxy</span> <span class='assign token'>=</span> <span class='ActionController constant id'>ActionController</span><span class='colon2 op'>::</span><span class='Base constant id'>Base</span><span class='dot token'>.</span><span class='helpers identifier id'>helpers</span>
<span class='comment val'># url_for depends on _routes method being defined</span>
<span class='proxy identifier id'>proxy</span><span class='dot token'>.</span><span class='instance_eval identifier id'>instance_eval</span> <span class='do do kw'>do</span>
<span class='def def kw'>def</span> <span class='_routes identifier id'>_routes</span>
<span class='Rails constant id'>Rails</span><span class='dot token'>.</span><span class='application identifier id'>application</span><span class='dot token'>.</span><span class='routes identifier id'>routes</span>
<span class='end end kw'>end</span>
<span class='end end kw'>end</span>
<span class='comment val'># Import all named path methods</span>
<span class='proxy identifier id'>proxy</span><span class='dot token'>.</span><span class='extend identifier id'>extend</span><span class='lparen token'>(</span><span class='Rails constant id'>Rails</span><span class='dot token'>.</span><span class='application identifier id'>application</span><span class='dot token'>.</span><span class='routes identifier id'>routes</span><span class='dot token'>.</span><span class='named_routes identifier id'>named_routes</span><span class='dot token'>.</span><span class='module identifier id'>module</span><span class='rparen token'>)</span>
<span class='comment val'># Load all our application helpers to extend</span>
<span class='modules_for_helpers identifier id'>modules_for_helpers</span><span class='lparen token'>(</span><span class='lbrack token'>[</span><span class='symbol val'>:all</span><span class='rbrack token'>]</span><span class='rparen token'>)</span><span class='dot token'>.</span><span class='each identifier id'>each</span> <span class='do do kw'>do</span> <span class='bitor op'>|</span><span class='mod identifier id'>mod</span><span class='bitor op'>|</span>
<span class='proxy identifier id'>proxy</span><span class='dot token'>.</span><span class='extend identifier id'>extend</span><span class='lparen token'>(</span><span class='mod identifier id'>mod</span><span class='rparen token'>)</span>
<span class='end end kw'>end</span>
<span class='proxy identifier id'>proxy</span><span class='dot token'>.</span><span class='instance_eval identifier id'>instance_eval</span> <span class='do do kw'>do</span>
<span class='def def kw'>def</span> <span class='controller identifier id'>controller</span>
<span class='comment val'>#Object.controller</span>
<span class='end end kw'>end</span>
<span class='end end kw'>end</span>
<span class='proxy identifier id'>proxy</span><span class='dot token'>.</span><span class='instance_eval identifier id'>instance_eval</span> <span class='do do kw'>do</span>
<span class='comment val'># A hack since this proxy doesn't pick up default_url_options from anywhere</span>
<span class='def def kw'>def</span> <span class='url_for identifier id'>url_for</span><span class='lparen token'>(</span><span class='mult op'>*</span><span class='args identifier id'>args</span><span class='rparen token'>)</span>
<span class='if if kw'>if</span> <span class='args identifier id'>args</span><span class='dot token'>.</span><span class='last identifier id'>last</span><span class='dot token'>.</span><span class='is_a? fid id'>is_a?</span><span class='lparen token'>(</span><span class='Hash constant id'>Hash</span><span class='rparen token'>)</span> <span class='andop op'>&amp;&amp;</span> <span class='notop op'>!</span><span class='args identifier id'>args</span><span class='dot token'>.</span><span class='last identifier id'>last</span><span class='lbrack token'>[</span><span class='symbol val'>:only_path</span><span class='rbrack token'>]</span>
<span class='args identifier id'>args</span> <span class='assign token'>=</span> <span class='args identifier id'>args</span><span class='dot token'>.</span><span class='dup identifier id'>dup</span>
<span class='args identifier id'>args</span> <span class='lshft op'>&lt;&lt;</span> <span class='args identifier id'>args</span><span class='dot token'>.</span><span class='pop identifier id'>pop</span><span class='dot token'>.</span><span class='merge identifier id'>merge</span><span class='lparen token'>(</span><span class='string val'>'host'</span> <span class='assign token'>=</span><span class='gt op'>&gt;</span> <span class='ActionMailer constant id'>ActionMailer</span><span class='colon2 op'>::</span><span class='Base constant id'>Base</span><span class='dot token'>.</span><span class='default_url_options identifier id'>default_url_options</span><span class='lbrack token'>[</span><span class='symbol val'>:host</span><span class='rbrack token'>]</span><span class='rparen token'>)</span>
<span class='end end kw'>end</span>
<span class='super super kw'>super</span><span class='lparen token'>(</span><span class='mult op'>*</span><span class='args identifier id'>args</span><span class='rparen token'>)</span>
<span class='end end kw'>end</span>
<span class='end end kw'>end</span>
<span class='proxy identifier id'>proxy</span>
<span class='end end kw'>end</span>
<span class='end end kw'>end</span>
</pre>
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