smarty/docs/ru/designers/language-custom-functions/language-function-html-options.xml

<?xml version="1.0" encoding="windows-1251"?>
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<sect1 id="language.function.html.options">
 <title>{html_options}</title>
 <para>{html_options} ÿâëÿåòñÿ
  <link linkend="language.custom.functions">ïîëüçîâàòåëüñêîé ôóíêöèåé</link>,
  êîòîðàÿ ñîçäàåò ãðóïïó HTML-òýãîâ option ïî óêàçàííîé èíôîðìàöèè.
  Òàêæå îíà îáåñïå÷èâàåò âûáîð ýëåìåíòà ïî óìîë÷àíèþ.
  Ïàðàìåòðû values è output ÿâëÿþòñÿ îáÿçàòåëüíûìè, åñëè íå óêàçàí àòðèáóò
  options.
 </para>
 
 <informaltable frame="all">
  <tgroup cols="5">
  <colspec colname="param" align="center" />
  <colspec colname="type" align="center" />
  <colspec colname="required" align="center" />
  <colspec colname="default" align="center" />
  <colspec colname="desc" />
  <thead>
   <row>
    <entry>Èìÿ àòðèáóòà</entry>
    <entry>Òèï</entry>
    <entry>Îáÿçàòåëåí</entry>
    <entry>Ïî óìîë÷àíèþ</entry>
    <entry>Îïèñàíèå</entry>
   </row>
  </thead>
  <tbody>
   <row>
    <entry>values</entry>
    <entry>ìàññèâ</entry>
    <entry>Äà, åñëè íå óêàçàí àòðèáóò options</entry>
    <entry><emphasis>n/a</emphasis></entry>
    <entry>ìàññèâ çíà÷åíèé äëÿ âûïàäàþùåãî ñïèñêà</entry>
   </row>
   <row>
    <entry>output</entry>
    <entry>ìàññèâ</entry>
    <entry>Äà, åñëè íå óêàçàí àòðèáóò options</entry>
    <entry><emphasis>n/a</emphasis></entry>
    <entry>ìàññèâ íàçâàíèé äëÿ âûïàäàþùåãî ñïèñêà</entry>
   </row>
   <row>
    <entry>selected</entry>
    <entry>string/array</entry>
    <entry>Íåò</entry>
    <entry><emphasis>ïóñòî</emphasis></entry>
    <entry>Âûáðàííûé ýëåìåíò(û)</entry>
   </row>
   <row>
    <entry>options</entry>
    <entry>àññîöèàòèâíûé ìàññèâ</entry>
    <entry>Äà, åñëè íå óêàçàíû àòðèáóòû values è output</entry>
    <entry><emphasis>n/a</emphasis></entry>
    <entry>àññîöèàòèâíûé ìàññèâ çíà÷åíèé è íàçâàíèé</entry>
   </row>
   <row>
    <entry>name</entry>
    <entry>string</entry>
    <entry>Íåò</entry>
    <entry><emphasis>ïóñòî</emphasis></entry>
    <entry>Íàçâàíèå âûïàäàþùåãî ñïèñêà</entry>
   </row>
  </tbody>
  </tgroup>
 </informaltable>

 <para>
  Åñëè ïåðåäàííîå çíà÷åíèå - ìàññèâ, îíî áóäåò ïðèíÿòî çà HTML-òýã &lt;optgroup&gt;
  è îòîáðàæåíî â âèäå ãðóïï. Â ýëåìåíòå &lt;optgroup&gt; ïîääåðæèâàåòñÿ ðåêóðñèÿ.
  Âåñü âûâîä ñîâìåñòèì ñ XHTML.
 </para>
 <para>
  Åñëè óêàçàí íåîáÿçàòåëüíûé ïàðàìåòð <emphasis>name</emphasis>, ñïèñîê áóäåò
  îêðóæåí òýãîì &lt;select name="groupname"&gt;&lt;/select&gt;.
   ïðîòèâíîì ñëó÷àå áóäóò ñãåíåðèðîâàíû ëèøü ýëåìåíòû &lt;option&gt;.
 </para>
 <para>
  Âñå ïàðàìåòðû, êîòîðûå íå óêàçàíû âûøå, âûâîäÿòñÿ â âèäå
  ïàð name/value â òýãå &lt;select&gt;. Åñëè íåîáÿçàòåëüíûé
  ïàðàìåòð <emphasis>name</emphasis> íå óêàçàí, îíè èãíîðèðóþòñÿ.
 </para>
 <example>
  <title>{html_options}</title>
  <para>
   <emphasis role="bold">Ïðèìåð ¹1:</emphasis>
  </para>
  <programlisting role="php">
<![CDATA[
<?php

$smarty->assign('cust_ids', array(1000,1001,1002,1003));
$smarty->assign('cust_names', array(
                              'Joe Schmoe',
                              'Jack Smith',
                              'Jane Johnson',
                              'Charlie Brown'));
$smarty->assign('customer_id', 1001);

?>
]]>
  </programlisting>
  <para>
   Øàáëîí:
  </para>
  <programlisting>
<![CDATA[
<select name="customer_id">
   {html_options values=$cust_ids output=$cust_names selected=$customer_id}
</select>
]]>
  </programlisting>
  <para>
   <emphasis role="bold">Ïðèìåð ¹2:</emphasis>
  </para>
  <programlisting role="php">
<![CDATA[
<?php

$smarty->assign('cust_options', array(
                                1000 => 'Joe Schmoe',
                                1001 => 'Jack Smith',
                                1002 => 'Jane Johnson',
                                1003 => 'Charlie Brown')
                                );
$smarty->assign('customer_id', 1001);

?>
]]>
  </programlisting>
  <para>
   Øàáëîí:
  </para>
  <programlisting>
<![CDATA[
   {html_options name=customer_id options=$cust_options selected=$customer_id}
]]>
  </programlisting>
  <para>
   Ðåçóëüòàò âûïîëíåíèÿ îáîèõ ïðèìåðîâ áóäåò ñëåäóþùèì:
  </para>
  <screen>
<![CDATA[
<select name="customer_id">
    <option label="Joe Schmoe" value="1000">Joe Schmoe</option>
    <option label="Jack Smith" value="1001" selected="selected">Jack Smith</option>
    <option label="Jane Johnson" value="1002">Jane Johnson</option>
    <option label="Charlie Brown" value="1003">Charlie Brown</option>
</select>
]]>
  </screen>
 </example>
 <example>
  <title>{html_options} - Ïðèìåð ñ áàçîé äàííûõ (ê ïðèìåðó, PEAR èëè ADODB):</title>
  <programlisting role="php">
<![CDATA[
<?php

$sql = 'select type_id, types from types order by type';
$smarty->assign('types',$db->getAssoc($sql));

$sql = 'select contact_id, name, email, type_id
        from contacts where contact_id='.$contact_id;
$smarty->assign('contact',$db->getRow($sql));

?>
]]>
  </programlisting>
  <para>
   Øàáëîí:
  </para>
  <programlisting>
<![CDATA[
<select name="type_id">
    <option value='null'>-- none --</option>
    {html_options name="type" options=$types selected=$contact.type_id}
</select>
]]>
  </programlisting>
 </example>
 <para>
  Ñì. òàêæå
  <link linkend="language.function.html.checkboxes">{html_checkboxes}</link>
  è
  <link linkend="language.function.html.radios">{html_radios}</link>
 </para>
</sect1>

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