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156 lines
5.1 KiB
Markdown
156 lines
5.1 KiB
Markdown
{html\_options} {#language.function.html.options}
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===============
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`{html_options}` is a [custom function](#language.custom.functions) that
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creates the html `<select><option>` group with the assigned data. It
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takes care of which item(s) are selected by default as well.
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Attribute Name Type Required Default Description
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---------------- ------------------- ------------------------------------- --------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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values array Yes, unless using options attribute *n/a* An array of values for dropdown
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output array Yes, unless using options attribute *n/a* An array of output for dropdown
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selected string/array No *empty* The selected option element(s)
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options associative array Yes, unless using values and output *n/a* An associative array of values and output
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name string No *empty* Name of select group
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strict boolean No *FALSE* Will make the \"extra\" attributes *disabled* and *readonly* only be set, if they were supplied with either boolean *TRUE* or string *\"disabled\"* and *\"readonly\"* respectively
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- Required attributes are `values` and `output`, unless you use the
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combined `options` instead.
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- If the optional `name` attribute is given, the `<select></select>`
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tags are created, otherwise ONLY the `<option>` list is generated.
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- If a given value is an array, it will treat it as an html
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`<optgroup>`, and display the groups. Recursion is supported with
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`<optgroup>`.
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- All parameters that are not in the list above are printed as
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name/value-pairs inside the `<select>` tag. They are ignored if the
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optional `name` is not given.
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- All output is XHTML compliant.
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<!-- -->
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<?php
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$smarty->assign('myOptions', array(
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1800 => 'Joe Schmoe',
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9904 => 'Jack Smith',
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2003 => 'Charlie Brown')
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);
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$smarty->assign('mySelect', 9904);
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?>
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The following template will generate a drop-down list. Note the presence
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of the `name` attribute which creates the `<select>` tags.
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{html_options name=foo options=$myOptions selected=$mySelect}
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Output of the above example would be:
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<select name="foo">
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<option value="1800">Joe Schmoe</option>
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<option value="9904" selected="selected">Jack Smith</option>
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<option value="2003">Charlie Brown</option>
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</select>
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<?php
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$smarty->assign('cust_ids', array(56,92,13));
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$smarty->assign('cust_names', array(
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'Joe Schmoe',
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'Jane Johnson',
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'Charlie Brown'));
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$smarty->assign('customer_id', 92);
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?>
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The above arrays would be output with the following template (note the
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use of the php [`count()`](&url.php-manual;function.count) function as a
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modifier to set the select size).
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<select name="customer_id" size="{$cust_names|@count}">
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{html_options values=$cust_ids output=$cust_names selected=$customer_id}
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</select>
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The above example would output:
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<select name="customer_id" size="3">
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<option value="56">Joe Schmoe</option>
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<option value="92" selected="selected">Jane Johnson</option>
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<option value="13">Charlie Brown</option>
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</select>
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<?php
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$sql = 'select type_id, types from contact_types order by type';
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$smarty->assign('contact_types',$db->getAssoc($sql));
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$sql = 'select contact_id, name, email, contact_type_id
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from contacts where contact_id='.$contact_id;
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$smarty->assign('contact',$db->getRow($sql));
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?>
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Where a template could be as follows. Note the use of the
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[`truncate`](#language.modifier.truncate) modifier.
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<select name="type_id">
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<option value='null'>-- none --</option>
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{html_options options=$contact_types|truncate:20 selected=$contact.type_id}
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</select>
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<?php
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$arr['Sport'] = array(6 => 'Golf', 9 => 'Cricket',7 => 'Swim');
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$arr['Rest'] = array(3 => 'Sauna',1 => 'Massage');
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$smarty->assign('lookups', $arr);
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$smarty->assign('fav', 7);
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?>
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The script above and the following template
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{html_options name=foo options=$lookups selected=$fav}
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would output:
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<select name="foo">
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<optgroup label="Sport">
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<option value="6">Golf</option>
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<option value="9">Cricket</option>
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<option value="7" selected="selected">Swim</option>
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</optgroup>
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<optgroup label="Rest">
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<option value="3">Sauna</option>
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<option value="1">Massage</option>
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</optgroup>
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</select>
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See also [`{html_checkboxes}`](#language.function.html.checkboxes) and
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[`{html_radios}`](#language.function.html.radios)
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