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Form.select ViewHelper <f:form.select>
This ViewHelper generates a <select> dropdown list for the use with a form.
Basic usage
The most straightforward way is to supply an associative array as the options parameter.
The array key is used as option key, and the value is used as human-readable name.
Basic usage:
<f:form.select name="paymentOptions" options="{payPal: 'PayPal International Services', visa: 'VISA Card'}" />
Pre select a value
To pre select a value, set value to the option key which should be selected.
Default value:
<f:form.select name="paymentOptions" options="{payPal: 'PayPal International Services', visa: 'VISA Card'}" value="visa" />
Generates a dropdown box like above, except that "VISA Card" is selected.
If the select box is a multi-select box multiple="1", then "value" can be an array as well.
Custom options and option group rendering
Child nodes can be used to create a completely custom set of
<option> and <optgroup> tags in a way compatible with the
HMAC generation.
To do so, leave out the options argument and use child ViewHelpers:
Custom options and optgroup:
<f:form.select name="myproperty">
<f:form.select.option value="1">Option one</f:form.select.option>
<f:form.select.option value="2">Option two</f:form.select.option>
<f:form.select.optgroup>
<f:form.select.option value="3">Grouped option one</f:form.select.option>
<f:form.select.option value="4">Grouped option twi</f:form.select.option>
</f:form.select.optgroup>
</f:form.select>
Note
Do not use vanilla <option> or <optgroup> tags!
They will invalidate the HMAC generation!
Usage on domain objects
If you want to output domain objects, you can just pass them as array into the options parameter.
To define what domain object value should be used as option key, use the optionValueField variable. Same goes for optionLabelField.
If neither is given, the Identifier (UID/uid) and the __ method are tried as fallbacks.
If the optionValueField variable is set, the getter named after that value is used to retrieve the option key.
If the optionLabelField variable is set, the getter named after that value is used to retrieve the option value.
If the prependOptionLabel variable is set, an option item is added in first position, bearing an empty string or -
if provided, the value of the prependOptionValue variable as value.
Domain objects:
<f:form.select name="users" options="{userArray}" optionValueField="id" optionLabelField="firstName" />
In the above example, the userArray is an array of "User" domain objects, with no array key specified.
So, in the above example, the method $user->get is called to
retrieve the key, and $user->get to retrieve the displayed
value of each entry.
The value property now expects a domain object, and tests for object equivalence.
Source code
Go to the source code of this ViewHelper: SelectViewHelper.php (GitHub).
Arguments
The following arguments are available for <f::
additionalAttributes
-
- Type
- mixed
Additional tag attributes. They will be added directly to the resulting HTML tag.
data
-
- Type
- mixed
Additional data-* attributes. They will each be added with a "data-" prefix.
aria
-
- Type
- mixed
Additional aria-* attributes. They will each be added with a "aria-" prefix.
name
-
- Type
- string
Name of input tag
value
-
- Type
- mixed
Value of input tag
property
-
- Type
- string
Name of Object Property. If used in conjunction with <f:form object="...">, the "name" property will be ignored, while "value" can be used to specify a default field value instead of the object property value.
class
-
- Type
- string
CSS class(es) for this element
dir
-
- Type
- string
Text direction for this HTML element. Allowed strings: "ltr" (left to right), "rtl" (right to left)
id
-
- Type
- string
Unique (in this file) identifier for this HTML element.
lang
-
- Type
- string
Language for this element. Use short names specified in RFC 1766
style
-
- Type
- string
Individual CSS styles for this element
title
-
- Type
- string
Tooltip text of element
accesskey
-
- Type
- string
Keyboard shortcut to access this element
tabindex
-
- Type
- integer
Specifies the tab order of this element
onclick
-
- Type
- string
JavaScript evaluated for the onclick event
size
-
- Type
- string
Size of input field
disabled
-
- Type
- string
Specifies that the input element should be disabled when the page loads
options
-
- Type
- mixed
Associative array with internal IDs as key, and the values are displayed in the select box. Can be combined with or replaced by child f:form.select.* nodes.
optionsAfterContent
-
- Type
- boolean
If true, places auto-generated option tags after those rendered in the tag content. If false, automatic options come first.
optionValueField
-
- Type
- string
If specified, will call the appropriate getter on each object to determine the value.
optionLabelField
-
- Type
- string
If specified, will call the appropriate getter on each object to determine the label.
sortByOptionLabel
-
- Type
- boolean
If true, List will be sorted by label.
selectAllByDefault
-
- Type
- boolean
If specified options are selected if none was set before.
errorClass
-
- Type
- string
- Default
'f3-form- error'
CSS class to set if there are errors for this ViewHelper
prependOptionLabel
-
- Type
- string
If specified, will provide an option at first position with the specified label.
prependOptionValue
-
- Type
- string
If specified, will provide an option at first position with the specified value.
multiple
-
- Type
- boolean
If set multiple options may be selected.
required
-
- Type
- boolean
If set no empty value is allowed.