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Create group
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<h1>
HTML_CSS : The Definitive Guide
</h1>
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Create group
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<a accesskey="p" href="ch04.html">Prev</a>
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Chapter 4. Grouping selectors
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<div class="sect1" lang="en" xml:lang="en">
<div class="titlepage">
<h2 class="title c1">
<a name="developers.group.create" id=
"developers.group.create"></a>Create group
</h2>
</div>
<div class="toc">
<dl>
<dt>
<span class="sect2"><a href="ch04s02.html#id4782312">Identify the
group yourself</a></span>
</dt>
<dt>
<span class="sect2"><a href="ch04s02.html#id4782337">Let HTML_CSS
do it itself</a></span>
</dt>
</dl>
</div>
<p>
<code class="methodname">HTML_CSS::createGroup()</code> creates
basically a group for selectors given as first argument. You can
identify this group by an identifier (alphanumeric) or let HTML_CSS
manage an internal numeric identifier itself.
</p>
<p>
Let creates this group of selectors :
</p>
<div class="css c2">
<ol>
<li class="li1">
<div class="de1">
#main p, #main ul <span class="br0">{</span> <span class=
"kw1">padding-top</span>: 1em; <span class="kw1">color</span>:
<span class="kw2">red</span>; <span class="br0">}</span>
</div>
</li>
</ol>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<h3 class="title">
<a name="id4782312" id="id4782312"></a>Identify the group yourself
</h3>
</div>
<p>
Identifier is named <span class=
"bold"><strong>myGroupID</strong></span> in this example:
</p>
<div class="php c2">
<ol>
<li class="li1">
<div class="de1">
<span class="kw2"><?php</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">require_once</span> <span class=
"st0">'HTML/CSS.php'</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span> = <span class="kw2">new</span>
HTML_CSS<span class="br0">(</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$g1</span> = <span class=
"re0">$css</span>-><span class=
"me1">createGroup</span><span class="br0">(</span><span class=
"st0">'#main p, #main ul'</span>, <span class=
"st0">'myGroupID'</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">setGroupStyle</span><span class=
"br0">(</span><span class="re0">$g1</span>, <span class=
"st0">'padding-top'</span>, <span class=
"st0">'1em'</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">setGroupStyle</span><span class=
"br0">(</span><span class="re0">$g1</span>, <span class=
"st0">'color'</span>, <span class=
"st0">'red'</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">display</span><span class="br0">(</span><span class=
"br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw2">?></span>
</div>
</li>
</ol>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<h3 class="title">
<a name="id4782337" id="id4782337"></a>Let HTML_CSS do it itself
</h3>
</div>
<div class="note c3">
<table border="0" summary="Note">
<tr>
<td rowspan="2" align="center" valign="top" width="48">
<img alt="[Note]" src="img/admons/note.png" />
</td>
<th align="left">
Note
</th>
</tr>
<tr>
<td align="left" valign="top">
This is the default behavior.
</td>
</tr>
</table>
</div>
<div class="php c2">
<ol>
<li class="li1">
<div class="de1">
<span class="kw2"><?php</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">require_once</span> <span class=
"st0">'HTML/CSS.php'</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span> = <span class="kw2">new</span>
HTML_CSS<span class="br0">(</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$g1</span> = <span class=
"re0">$css</span>-><span class=
"me1">createGroup</span><span class="br0">(</span><span class=
"st0">'#main p, #main ul'</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">setGroupStyle</span><span class=
"br0">(</span><span class="re0">$g1</span>, <span class=
"st0">'padding-top'</span>, <span class=
"st0">'1em'</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">setGroupStyle</span><span class=
"br0">(</span><span class="re0">$g1</span>, <span class=
"st0">'color'</span>, <span class=
"st0">'red'</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">display</span><span class="br0">(</span><span class=
"br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw2">?></span>
</div>
</li>
</ol>
</div>
</div>
</div>
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HTML_CSS : The Definitive Guide
</td>
<td align="right">
v 1.1.3 : February 18, 2007
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Chapter 4. Grouping selectors
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Handle group selector
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