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| author | Andrey Andreev <narf@devilix.net> | 2018-06-12 15:45:46 +0200 |
|---|---|---|
| committer | Andrey Andreev <narf@devilix.net> | 2018-06-12 15:45:46 +0200 |
| commit | 30e2eafa86c4c7b6b39cea3e7089a90df9f603fb (patch) | |
| tree | 391bc1e62d8d0ad045e18a6da72e3e2a59e91503 /user_guide/helpers/smiley_helper.html | |
| parent | a9da3dd2f16a8f97d7bc4ff5572b28e4bb84c813 (diff) | |
[ci skip] 3.1.9 release
Diffstat (limited to 'user_guide/helpers/smiley_helper.html')
| -rw-r--r-- | user_guide/helpers/smiley_helper.html | 708 |
1 files changed, 708 insertions, 0 deletions
diff --git a/user_guide/helpers/smiley_helper.html b/user_guide/helpers/smiley_helper.html new file mode 100644 index 000000000..0a0a7e106 --- /dev/null +++ b/user_guide/helpers/smiley_helper.html @@ -0,0 +1,708 @@ + + +<!DOCTYPE html> +<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + + <title>Smiley Helper — CodeIgniter 3.1.9 documentation</title> + + + + + <link rel="shortcut icon" href="../_static/ci-icon.ico"/> + + + + <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'> + + + + + + + + + + <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" /> + + + + <link rel="index" title="Index" + href="../genindex.html"/> + <link rel="search" 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layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" /> + </div> + </ul> + <hr/> +</div> + <div role="main" class="document"> + + <div class="section" id="smiley-helper"> +<h1>Smiley Helper<a class="headerlink" href="#smiley-helper" title="Permalink to this headline">¶</a></h1> +<p>The Smiley Helper file contains functions that let you manage smileys +(emoticons).</p> +<div class="admonition important"> +<p class="first admonition-title">Important</p> +<p class="last">The Smiley helper is DEPRECATED and should not be used. +It is currently only kept for backwards compatibility.</p> +</div> +<div class="contents local topic" id="contents"> +<ul class="simple"> +<li><a class="reference internal" href="#loading-this-helper" id="id1">Loading this Helper</a></li> +<li><a class="reference internal" href="#overview" id="id2">Overview</a></li> +<li><a class="reference internal" href="#clickable-smileys-tutorial" id="id3">Clickable Smileys Tutorial</a><ul> +<li><a class="reference internal" href="#the-controller" id="id4">The Controller</a></li> +<li><a class="reference internal" href="#field-aliases" id="id5">Field Aliases</a></li> +</ul> +</li> +<li><a class="reference internal" href="#available-functions" id="id6">Available Functions</a></li> +</ul> +</div> +<div class="custom-index container"></div><div class="section" id="loading-this-helper"> +<h2><a class="toc-backref" href="#id1">Loading this Helper</a><a class="headerlink" href="#loading-this-helper" title="Permalink to this headline">¶</a></h2> +<p>This helper is loaded using the following code:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">helper</span><span class="p">(</span><span class="s1">'smiley'</span><span class="p">);</span> +</pre></div> +</div> +</div> +<div class="section" id="overview"> +<h2><a class="toc-backref" href="#id2">Overview</a><a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h2> +<p>The Smiley helper has a renderer that takes plain text smileys, like +:-) and turns them into a image representation, like <img alt="smile!" src="../_images/smile.gif" /></p> +<p>It also lets you display a set of smiley images that when clicked will +be inserted into a form field. For example, if you have a blog that +allows user commenting you can show the smileys next to the comment +form. Your users can click a desired smiley and with the help of some +JavaScript it will be placed into the form field.</p> +</div> +<div class="section" id="clickable-smileys-tutorial"> +<h2><a class="toc-backref" href="#id3">Clickable Smileys Tutorial</a><a class="headerlink" href="#clickable-smileys-tutorial" title="Permalink to this headline">¶</a></h2> +<p>Here is an example demonstrating how you might create a set of clickable +smileys next to a form field. This example requires that you first +download and install the smiley images, then create a controller and the +View as described.</p> +<div class="admonition important"> +<p class="first admonition-title">Important</p> +<p class="last">Before you begin, please <a class="reference external" href="https://ellislab.com/asset/ci_download_files/smileys.zip">download the smiley images</a> +and put them in a publicly accessible place on your server. +This helper also assumes you have the smiley replacement array +located at <cite>application/config/smileys.php</cite></p> +</div> +<div class="section" id="the-controller"> +<h3><a class="toc-backref" href="#id4">The Controller</a><a class="headerlink" href="#the-controller" title="Permalink to this headline">¶</a></h3> +<p>In your <strong>application/controllers/</strong> directory, create a file called +Smileys.php and place the code below in it.</p> +<div class="admonition important"> +<p class="first admonition-title">Important</p> +<p class="last">Change the URL in the <a class="reference internal" href="#get_clickable_smileys" title="get_clickable_smileys"><code class="xref php php-func docutils literal"><span class="pre">get_clickable_smileys()</span></code></a> +function below so that it points to your smiley folder.</p> +</div> +<p>You’ll notice that in addition to the smiley helper, we are also using +the <a class="reference internal" href="../libraries/table.html"><span class="doc">Table Class</span></a>:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span> + +<span class="k">class</span> <span class="nc">Smileys</span> <span class="k">extends</span> <span class="nx">CI_Controller</span> <span class="p">{</span> + + <span class="k">public</span> <span class="k">function</span> <span class="nf">index</span><span class="p">()</span> + <span class="p">{</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">helper</span><span class="p">(</span><span class="s1">'smiley'</span><span class="p">);</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'table'</span><span class="p">);</span> + + <span class="nv">$image_array</span> <span class="o">=</span> <span class="nx">get_clickable_smileys</span><span class="p">(</span><span class="s1">'http://example.com/images/smileys/'</span><span class="p">,</span> <span class="s1">'comments'</span><span class="p">);</span> + <span class="nv">$col_array</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">table</span><span class="o">-></span><span class="na">make_columns</span><span class="p">(</span><span class="nv">$image_array</span><span class="p">,</span> <span class="mi">8</span><span class="p">);</span> + + <span class="nv">$data</span><span class="p">[</span><span class="s1">'smiley_table'</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">table</span><span class="o">-></span><span class="na">generate</span><span class="p">(</span><span class="nv">$col_array</span><span class="p">);</span> + <span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">view</span><span class="p">(</span><span class="s1">'smiley_view'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span> + <span class="p">}</span> + +<span class="p">}</span> +</pre></div> +</div> +<p>In your <strong>application/views/</strong> directory, create a file called <strong>smiley_view.php</strong> +and place this code in it:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">html</span><span class="o">></span> + <span class="o"><</span><span class="nx">head</span><span class="o">></span> + <span class="o"><</span><span class="nx">title</span><span class="o">></span><span class="nx">Smileys</span><span class="o"></</span><span class="nx">title</span><span class="o">></span> + <span class="o"><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nx">smiley_js</span><span class="p">();</span> <span class="cp">?></span> + <span class="p"></</span><span class="nt">head</span><span class="p">></span> + <span class="p"><</span><span class="nt">body</span><span class="p">></span> + <span class="p"><</span><span class="nt">form</span> <span class="na">name</span><span class="o">=</span><span class="s">"blog"</span><span class="p">></span> + <span class="p"><</span><span class="nt">textarea</span> <span class="na">name</span><span class="o">=</span><span class="s">"comments"</span> <span class="na">id</span><span class="o">=</span><span class="s">"comments"</span> <span class="na">cols</span><span class="o">=</span><span class="s">"40"</span> <span class="na">rows</span><span class="o">=</span><span class="s">"4"</span><span class="p">></</span><span class="nt">textarea</span><span class="p">></span> + <span class="p"></</span><span class="nt">form</span><span class="p">></span> + <span class="p"><</span><span class="nt">p</span><span class="p">></span>Click to insert a smiley!<span class="p"></</span><span class="nt">p</span><span class="p">></span> + <span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$smiley_table</span><span class="p">;</span> <span class="cp">?></span> <span class="p"></</span><span class="nt">body</span><span class="p">></span> <span class="p"></</span><span class="nt">html</span><span class="p">></span> + When you have created the above controller and view, load it by visiting http://www.example.com/index.php/smileys/ + <span class="p"></</span><span class="nt">body</span><span class="p">></span> +<span class="p"></</span><span class="nt">html</span><span class="p">></span> +</pre></div> +</div> +</div> +<div class="section" id="field-aliases"> +<h3><a class="toc-backref" href="#id5">Field Aliases</a><a class="headerlink" href="#field-aliases" title="Permalink to this headline">¶</a></h3> +<p>When making changes to a view it can be inconvenient to have the field +id in the controller. To work around this, you can give your smiley +links a generic name that will be tied to a specific id in your view.</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$image_array</span> <span class="o">=</span> <span class="nx">get_smiley_links</span><span class="p">(</span><span class="s2">"http://example.com/images/smileys/"</span><span class="p">,</span> <span class="s2">"comment_textarea_alias"</span><span class="p">);</span> +</pre></div> +</div> +<p>To map the alias to the field id, pass them both into the +<code class="xref py py-func docutils literal"><span class="pre">smiley_js()</span></code> function:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$image_array</span> <span class="o">=</span> <span class="nx">smiley_js</span><span class="p">(</span><span class="s2">"comment_textarea_alias"</span><span class="p">,</span> <span class="s2">"comments"</span><span class="p">);</span> +</pre></div> +</div> +</div> +</div> +<div class="section" id="available-functions"> +<h2><a class="toc-backref" href="#id6">Available Functions</a><a class="headerlink" href="#available-functions" title="Permalink to this headline">¶</a></h2> +<dl class="function"> +<dt id="get_clickable_smileys"> +<code class="descname">get_clickable_smileys</code><span class="sig-paren">(</span><em>$image_url</em><span class="optional">[</span>, <em>$alias = ''</em><span class="optional">[</span>, <em>$smileys = NULL</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#get_clickable_smileys" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$image_url</strong> (<em>string</em>) – URL path to the smileys directory</li> +<li><strong>$alias</strong> (<em>string</em>) – Field alias</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An array of ready to use smileys</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p> +</td> +</tr> +</tbody> +</table> +<p>Returns an array containing your smiley images wrapped in a clickable +link. You must supply the URL to your smiley folder and a field id or +field alias.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$image_array</span> <span class="o">=</span> <span class="nx">get_clickable_smileys</span><span class="p">(</span><span class="s1">'http://example.com/images/smileys/'</span><span class="p">,</span> <span class="s1">'comment'</span><span class="p">);</span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="smiley_js"> +<code class="descname">smiley_js</code><span class="sig-paren">(</span><span class="optional">[</span><em>$alias = ''</em><span class="optional">[</span>, <em>$field_id = ''</em><span class="optional">[</span>, <em>$inline = TRUE</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#smiley_js" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$alias</strong> (<em>string</em>) – Field alias</li> +<li><strong>$field_id</strong> (<em>string</em>) – Field ID</li> +<li><strong>$inline</strong> (<em>bool</em>) – Whether we’re inserting an inline smiley</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Smiley-enabling JavaScript code</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Generates the JavaScript that allows the images to be clicked and +inserted into a form field. If you supplied an alias instead of an id +when generating your smiley links, you need to pass the alias and +corresponding form id into the function. This function is designed to be +placed into the <head> area of your web page.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nx">smiley_js</span><span class="p">();</span> <span class="cp">?></span> +</pre></div> +</div> +</dd></dl> + +<dl class="function"> +<dt id="parse_smileys"> +<code class="descname">parse_smileys</code><span class="sig-paren">(</span><span class="optional">[</span><em>$str = ''</em><span class="optional">[</span>, <em>$image_url = ''</em><span class="optional">[</span>, <em>$smileys = NULL</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#parse_smileys" title="Permalink to this definition">¶</a></dt> +<dd><table class="docutils field-list" frame="void" rules="none"> +<col class="field-name" /> +<col class="field-body" /> +<tbody valign="top"> +<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> +<li><strong>$str</strong> (<em>string</em>) – Text containing smiley codes</li> +<li><strong>$image_url</strong> (<em>string</em>) – URL path to the smileys directory</li> +<li><strong>$smileys</strong> (<em>array</em>) – An array of smileys</li> +</ul> +</td> +</tr> +<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Parsed smileys</p> +</td> +</tr> +<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p> +</td> +</tr> +</tbody> +</table> +<p>Takes a string of text as input and replaces any contained plain text +smileys into the image equivalent. The first parameter must contain your +string, the second must contain the URL to your smiley folder</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$str</span> <span class="o">=</span> <span class="s1">'Here are some smileys: :-) ;-)'</span><span class="p">;</span> +<span class="nv">$str</span> <span class="o">=</span> <span class="nx">parse_smileys</span><span class="p">(</span><span class="nv">$str</span><span class="p">,</span> <span class="s1">'http://example.com/images/smileys/'</span><span class="p">);</span> +<span class="k">echo</span> <span class="nv">$str</span><span class="p">;</span> +</pre></div> +</div> +</dd></dl> + +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="string_helper.html" class="btn btn-neutral float-right" title="String Helper">Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="security_helper.html" class="btn btn-neutral" title="Security Helper"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014 - 2018, British Columbia Institute of Technology. + Last updated on Jun 12, 2018. + </p> + </div> + + Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. + +</footer> + </div> + </div> + + </section> + + </div> + + + + + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT:'../', + VERSION:'3.1.9', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: false + }; + </script> + <script type="text/javascript" src="../_static/jquery.js"></script> + <script type="text/javascript" src="../_static/underscore.js"></script> + <script type="text/javascript" src="../_static/doctools.js"></script> + + + + + + <script type="text/javascript" src="../_static/js/theme.js"></script> + + + + + <script type="text/javascript"> + jQuery(function () { + SphinxRtdTheme.StickyNav.enable(); + }); + </script> + + +</body> +</html>
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