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<li class="toctree-l2 current"><a class="current reference internal" href="#">3. Passing variables to templates</a></li>
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<div class="section" id="passing-variables-to-templates">
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<span id="step3"></span><h1>3. Passing variables to templates<a class="headerlink" href="#passing-variables-to-templates" title="Permalink to this headline">¶</a></h1>
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<p>We have seen in <a class="reference internal" href="../Step2/Step2.html#step2"><span class="std std-ref">2. Hello World!</span></a> how to create a static template. Let’s send some variables to have a more dynamic display.</p>
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<div class="literal-block-wrapper docutils container" id="id1">
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<div class="code-block-caption"><span class="caption-text">src/Controller/MyModuleController.php</span><a class="headerlink" href="#id1" title="Permalink to this code">¶</a></div>
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<div class="highlight-php notranslate"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre> 1
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15</pre></div></td><td class="code"><div class="highlight"><pre><span></span><span class="cp"><?php</span>
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<span class="k">namespace</span> <span class="nx">MyCompany\iTop\MyModule\Controller</span><span class="p">;</span>
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<span class="k">use</span> <span class="nx">Combodo\iTop\Application\TwigBase\Controller\Controller</span><span class="p">;</span>
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<span class="k">use</span> <span class="nx">UserRights</span><span class="p">;</span>
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<span class="k">class</span> <span class="nc">MyModuleController</span> <span class="k">extends</span> <span class="nx">Controller</span>
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<span class="p">{</span>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">OperationHelloWorld</span><span class="p">()</span>
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<span class="p">{</span>
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<span class="nv">$aParams</span><span class="p">[</span><span class="s1">'sName'</span><span class="p">]</span> <span class="o">=</span> <span class="nx">UserRights</span><span class="o">::</span><span class="na">GetUser</span><span class="p">();</span>
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<span class="nv">$aParams</span><span class="p">[</span><span class="s1">'sDate'</span><span class="p">]</span> <span class="o">=</span> <span class="nb">date</span><span class="p">(</span><span class="s2">"r"</span><span class="p">);</span>
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<span class="nv">$this</span><span class="o">-></span><span class="na">DisplayPage</span><span class="p">(</span><span class="nv">$aParams</span><span class="p">);</span>
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<span class="p">}</span>
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<span class="p">}</span>
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</pre></div>
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</td></tr></table></div>
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</div>
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<p>The <code class="docutils literal notranslate"><span class="pre">DisplayPage()</span></code> method accept an array of parameters. This array is transformed into variables for the Twig template.</p>
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<p>Here two variables are created: <code class="docutils literal notranslate"><span class="pre">sName</span></code> and <code class="docutils literal notranslate"><span class="pre">sDate</span></code>, we can use them in the template.</p>
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<div class="literal-block-wrapper docutils container" id="id2">
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<div class="code-block-caption"><span class="caption-text">templates/HelloWorld.html.twig</span><a class="headerlink" href="#id2" title="Permalink to this code">¶</a></div>
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<div class="highlight-twig notranslate"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre>1
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2
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4</pre></div></td><td class="code"><div class="highlight"><pre><span></span><span class="cp">{%</span> <span class="k">UITitle</span> <span class="p">F</span><span class="nv">orPage</span> <span class="o">{</span><span class="nv">sTitle</span><span class="s1">:'Hello '</span> <span class="o">~</span> <span class="nv">sName</span> <span class="o">~</span> <span class="s1">'!'</span><span class="o">}</span> <span class="cp">%}{%</span> <span class="k">EndUITitle</span> <span class="cp">%}</span><span class="x"></span>
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<span class="cp">{%</span> <span class="k">UIContentBlock</span> <span class="p">S</span><span class="nv">tandard</span> <span class="o">{</span><span class="p">D</span><span class="nv">ataAttributes</span><span class="o">:</span> <span class="o">{</span><span class="nv">role</span><span class="o">:</span> <span class="s1">'date'</span><span class="o">}}</span> <span class="cp">%}</span><span class="x"></span>
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<span class="x"> We are currently </span><span class="cp">{{</span> <span class="nv">sDate</span> <span class="cp">}}</span><span class="x"></span>
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<span class="cp">{%</span> <span class="k">EndUIContentBlock</span> <span class="cp">%}</span><span class="x"></span>
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</pre></div>
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</td></tr></table></div>
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</div>
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<p>The output is then</p>
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<img alt="../../_images/Hello2.png" src="../../_images/Hello2.png" />
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<p>The variables can be of any type, for example you can give an array as a variable:</p>
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<div class="literal-block-wrapper docutils container" id="id3">
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<div class="code-block-caption"><span class="caption-text">src/Controller/MyModuleController.php</span><a class="headerlink" href="#id3" title="Permalink to this code">¶</a></div>
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<div class="highlight-php notranslate"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre> 1
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16</pre></div></td><td class="code"><div class="highlight"><pre><span></span><span class="cp"><?php</span>
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<span class="k">namespace</span> <span class="nx">MyCompany\iTop\MyModule\Controller</span><span class="p">;</span>
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<span class="k">use</span> <span class="nx">Combodo\iTop\Application\TwigBase\Controller\Controller</span><span class="p">;</span>
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<span class="k">use</span> <span class="nx">UserRights</span><span class="p">;</span>
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<span class="k">class</span> <span class="nc">MyModuleController</span> <span class="k">extends</span> <span class="nx">Controller</span>
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<span class="p">{</span>
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<span class="k">public</span> <span class="k">function</span> <span class="nf">OperationHelloWorld</span><span class="p">()</span>
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<span class="p">{</span>
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<span class="nv">$aParams</span><span class="p">[</span><span class="s1">'sName'</span><span class="p">]</span> <span class="o">=</span> <span class="nx">UserRights</span><span class="o">::</span><span class="na">GetUser</span><span class="p">();</span>
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<span class="nv">$aParams</span><span class="p">[</span><span class="s1">'sDate'</span><span class="p">]</span> <span class="o">=</span> <span class="nb">date</span><span class="p">(</span><span class="s2">"r"</span><span class="p">);</span>
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<span class="nv">$aParams</span><span class="p">[</span><span class="s1">'aQuarter'</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'January'</span><span class="p">,</span> <span class="s1">'February'</span><span class="p">,</span> <span class="s1">'March'</span><span class="p">];</span>
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<span class="nv">$this</span><span class="o">-></span><span class="na">DisplayPage</span><span class="p">(</span><span class="nv">$aParams</span><span class="p">);</span>
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<span class="p">}</span>
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<span class="p">}</span>
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</pre></div>
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</td></tr></table></div>
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</div>
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<p>Here <code class="docutils literal notranslate"><span class="pre">aQuarter</span></code> is an array containing some months, we can use it in a selector:</p>
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<div class="literal-block-wrapper docutils container" id="id4">
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<div class="code-block-caption"><span class="caption-text">templates/HelloWorld.html.twig</span><a class="headerlink" href="#id4" title="Permalink to this code">¶</a></div>
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<div class="highlight-twig notranslate"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre> 1
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13</pre></div></td><td class="code"><div class="highlight"><pre><span></span><span class="cp">{%</span> <span class="k">UITitle</span> <span class="p">F</span><span class="nv">orPage</span> <span class="o">{</span><span class="nv">sTitle</span><span class="s1">:'Hello '</span> <span class="o">~</span> <span class="nv">sName</span> <span class="o">~</span> <span class="s1">'!'</span><span class="o">}</span> <span class="cp">%}{%</span> <span class="k">EndUITitle</span> <span class="cp">%}</span><span class="x"></span>
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<span class="cp">{%</span> <span class="k">UIContentBlock</span> <span class="p">S</span><span class="nv">tandard</span> <span class="o">{</span><span class="p">D</span><span class="nv">ataAttributes</span><span class="o">:</span> <span class="o">{</span><span class="nv">role</span><span class="o">:</span> <span class="s1">'date'</span><span class="o">}}</span> <span class="cp">%}</span><span class="x"></span>
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||||
<span class="x"> We are currently </span><span class="cp">{{</span> <span class="nv">sDate</span> <span class="cp">}}</span><span class="x"></span>
|
||||
<span class="cp">{%</span> <span class="k">EndUIContentBlock</span> <span class="cp">%}</span><span class="x"></span>
|
||||
|
||||
<span class="cp">{%</span> <span class="k">UIForm</span> <span class="p">S</span><span class="nv">tandard</span> <span class="o">{</span><span class="nv">sId</span><span class="s1">:'my-form'</span><span class="o">}</span> <span class="cp">%}</span><span class="x"></span>
|
||||
<span class="x"> Select Month:</span>
|
||||
<span class="x"> </span><span class="cp">{%</span> <span class="k">UISelect</span> <span class="p">F</span><span class="nv">orSelect</span> <span class="o">{</span><span class="nv">sName</span><span class="s1">:'month'</span><span class="o">}</span> <span class="cp">%}</span><span class="x"></span>
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||||
<span class="x"> </span><span class="cp">{%</span> <span class="k">for</span> <span class="nv">index</span><span class="o">,</span><span class="nv">sMonth</span> <span class="k">in</span> <span class="nv">aQuarter</span> <span class="cp">%}</span><span class="x"></span>
|
||||
<span class="x"> </span><span class="cp">{%</span> <span class="k">UISelectOption</span> <span class="p">F</span><span class="nv">orSelectOption</span> <span class="o">{</span><span class="nv">sValue</span><span class="o">:</span> <span class="nv">index</span><span class="o">,</span> <span class="nv">sLabel</span><span class="o">:</span> <span class="nv">sMonth</span><span class="o">,</span> <span class="nv">bSelected</span><span class="o">:</span><span class="kp">false</span><span class="o">}</span> <span class="cp">%}</span><span class="x"></span>
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||||
<span class="x"> </span><span class="cp">{%</span> <span class="k">endfor</span> <span class="cp">%}</span><span class="x"></span>
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<span class="x"> </span><span class="cp">{%</span> <span class="k">EndUISelect</span> <span class="cp">%}</span><span class="x"></span>
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||||
<span class="cp">{%</span> <span class="k">EndUIForm</span> <span class="cp">%}</span><span class="x"></span>
|
||||
</pre></div>
|
||||
</td></tr></table></div>
|
||||
</div>
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<p>The output is:</p>
|
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<img alt="../../_images/Hello3.png" src="../../_images/Hello3.png" />
|
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</div>
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|
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|
||||
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user