我想知道如何在Zend表单的选择字段中为选项添加自定义属性。
PHP：
$option_values = array("multiOptions" => array(
"US" => "United States",
"CA" => "Canada",
));
$type=array('big','small');
$option= new Zend_Form_Element_Select('option', $option_values);
HTML：
<select>
<option value='US' type='big'>United States</option>
<option value='CA' type='small'>Canada</option>
</select>
如何在选项中添加此类型属性？
答案 0 :(得分：10)
使用ZF的Zend_Form_Element_Select实现是不可能的。您需要创建自己的元素。我做了类似的事情，这是相关的代码：
<?php
require_once 'Zend/Form/Element/Select.php';
/**
* Select, but with the possibility to add attributes to <option>s
* @author Dominik Marczuk
*/
class Zend_Form_Element_SelectAttribs extends Zend_Form_Element {
public $options = array();
public $helper = 'selectAttribs';
/**
* Adds a new <option>
* @param string $value value (key) used internally
* @param string $label label that is shown to the user
* @param array $attribs additional attributes
*/
public function addOption ($value,$label = '',$attribs = array()) {
$value = (string) $value;
if (!empty($label)) $label = (string) $label;
else $label = $value;
$this->options[$value] = array(
'value' => $value,
'label' => $label
) + $attribs;
return $this;
}
}
将此放入/library/Zend/Form/Element/SelectAttribs.php。您还需要一个帮助器来渲染元素。将它放入您的视图助手目录中，并将其命名为SelectAttribs.php。这是我的文件的内容：
<?php
require_once 'Zend/View/Helper/FormElement.php';
class Zend_View_Helper_SelectAttribs extends Zend_View_Helper_FormElement {
public function selectAttribs($name, $value = null, $attribs = null, $options = null, $listsep = "<br />\n") {
$info = $this->_getInfo($name, $value, $attribs, $options, $listsep);
extract($info); // name, id, value, attribs, options, listsep, disable
// force $value to array so we can compare multiple values to multiple
// options; also ensure it's a string for comparison purposes.
$value = array_map('strval', (array) $value);
// now start building the XHTML.
$disabled = '';
if (true === $disable) {
$disabled = ' disabled="disabled"';
}
// Build the surrounding select element first.
$xhtml = '<select'
. ' name="' . $this->view->escape($name) . '"'
. ' id="' . $this->view->escape($id) . '"'
. $disabled
. $this->_htmlAttribs($attribs)
. ">\n ";
// build the list of options
$list = array();
$translator = $this->getTranslator();
foreach ($options as $opt_value => $option) {
$opt_disable = '';
if (is_array($disable) && in_array($opt_value, $disable)) {
$opt_disable = ' disabled="disabled"';
}
$list[] = $this->_build($option, $disabled);
}
// add the options to the xhtml and close the select
$xhtml .= implode("\n ", $list) . "\n</select>";
return $xhtml;
}
protected function _build($option, $disabled) {
$html = '<option';
foreach ($option as $attrib => $value) {
$html .= " $attrib=\"$value\"";
}
return $html.$disabled.">".$option['label']."</option>";
}
}
有了这个，你应该准备好了：
$elt = new Zend_Form_Element_SelectAttribs('whatever');
$elt->addOption($value,$label,array('attribname' => 'attribvalue'));
答案 1 :(得分：3)
使用addMultiOption（$ value，$ label）我只需将value参数设置为：
$value = $id . '" ref="' . $ref;
当它呈现时：
<option value="<idValue>" ref="<refValue"><labelValue></option>
希望这会有所帮助......
好的，值被转义，但是optionClasses在添加addMultiOptions（val，lable）的循环中没有这样做我做了这样的事情：
$optionClasses[<val>] = 'ref_' . <val> . '" ref="' . <ref>;
然后在循环之后只做一个setAttrib（'optionClasses'，$ optionClasses）
这实际上有效......
我为另一个问题回答了这个问题，但是找不到在这里添加评论的方法来引用它;那是Zend Framework addMultiOption adding custom parameters like "rel" for options
答案 2 :(得分：2)
我没有发现@ mingos的答案已完成，并且在实现设置值方面存在一些问题。他的答案对需要扩展和改变的内容有很大帮助。一旦我有了这个开始，其余的很容易。我只是扩展了ZF1的Select并覆盖了我需要的位置：
/**
* Select, now with abbility to specify attributes on <Option>, addMultiOption has new syntax
* @author Seth Miller
*/
class MyNamespace_Form_Element_SelectAttribs extends Zend_Form_Element_Select {
public $options = array();
public $helper = 'selectAttribs';
/**
* Add an option
*
* @param string $option
* @param string $value
* @return Zend_Form_Element_Multi
*/
public function addMultiOption($value, $label = '', $attribs = array()) {
$value = (string) $value;
if (!empty($label)) {
$label = (string) $label;
}
else {
$label = $value;
}
$this->_getMultiOptions();
if (!$this->_translateOption($value, $label)) {
$this->options[$value] = array(
'value' => $value,
'label' => $label
) + $attribs;
}
return $this;
}
/**
* Add many options at once
*
* @param array $options
* @return Zend_Form_Element_Multi
*/
public function addMultiOptions(array $options) {
foreach ($options as $optionKey => $optionProperties) {
if (is_array($optionProperties)
&& array_key_exists('key', $optionProperties)
&& array_key_exists('value', $optionProperties)
) {
if(array_key_exists('key', $optionProperties)) $optionKey = $optionProperties['key'];
$this->addMultiOption($optionKey, $optionProperties['value'], $optionProperties['attribs']);
}
else {
$this->addMultiOption($optionKey, $optionProperties);
}
}
return $this;
}
public function isValid($value, $context = null)
{
if ($this->registerInArrayValidator()) {
if (!$this->getValidator('InArray')) {
$multiOptions = $this->getMultiOptions();
$options = array();
foreach ($multiOptions as $optionKey => $optionData) {
// optgroup instead of option label
if (is_array($optionData['options'])) {
$options = array_merge($options, array_keys($optionData['options']));
}
else {
$options[] = $optionKey;
}
}
$this->addValidator(
'InArray',
true,
array($options)
);
}
}
return parent::isValid($value, $context);
}
}
视图助手：
类MyNamespace_View_Helper_SelectAttribs扩展Zend_View_Helper_FormElement {
public function selectAttribs($name, $value = null, $attribs = null, $options = null, $listsep = "<br />\n") {
$info = $this->_getInfo($name, $value, $attribs, $options, $listsep);
extract($info); // name, id, value, attribs, options, listsep, disable
// force $value to array so we can compare multiple values to multiple
// options; also ensure it's a string for comparison purposes.
$value = array_map('strval', (array) $value);
// check if element may have multiple values
$multiple = '';
if (substr($name, -2) == '[]') {
// multiple implied by the name
$multiple = ' multiple="multiple"';
}
if (isset($attribs['multiple'])) {
// Attribute set
if ($attribs['multiple']) {
// True attribute; set multiple attribute
$multiple = ' multiple="multiple"';
// Make sure name indicates multiple values are allowed
if (!empty($multiple) && (substr($name, -2) != '[]')) {
$name .= '[]';
}
}
else {
// False attribute; ensure attribute not set
$multiple = '';
}
unset($attribs['multiple']);
}
// now start building the XHTML.
$disabled = '';
if (true === $disable) {
$disabled = ' disabled="disabled"';
}
// Build the surrounding select element first.
$xhtml = '<select'
.' name="'.$this->view->escape($name).'"'
.' id="'.$this->view->escape($id).'"'
.$multiple
.$disabled
.$this->_htmlAttribs($attribs)
.">\n ";
// build the list of options
$list = array();
$translator = $this->getTranslator();
foreach ((array) $options as $optionKey => $optionData) {
if (isset($optionData['options'])) {
$optDisable = '';
if (is_array($disable) && in_array($optionData['value'], $disable)) {
$optDisable = ' disabled="disabled"';
}
if (null !== $translator) {
$optValue = $translator->translate($optionData['value']);
}
$optId = ' id="'.$this->view->escape($id).'-optgroup-'
.$this->view->escape($optionData['value']).'"';
$list[] = '<optgroup'
.$optDisable
.$optId
.' label="'.$this->view->escape($optionData['value']).'">';
foreach ($optionData['options'] as $optionKey2 => $optionData2) {
$list[] = $this->_build($optionKey2, $optionData2, $value, $disable);
}
$list[] = '</optgroup>';
}
else {
$list[] = $this->_build($optionKey, $optionData, $value, $disable);
}
}
// add the options to the xhtml and close the select
$xhtml .= implode("\n ", $list)."\n</select>";
return $xhtml;
}
/**
* Builds the actual <option> tag
*
* @param string $value Options Value
* @param string $label Options Label
* @param array $selected The option value(s) to mark as 'selected'
* @param array|bool $disable Whether the select is disabled, or individual options are
* @return string Option Tag XHTML
*/
protected function _build($optionKey, $optionData, $selected, $disable)
{
if (is_bool($disable)) {
$disable = array();
}
$opt = '<option';
foreach ($optionData as $attrib => $attribValue) {
$opt .= ' '.$this->view->escape($attrib).'="'.$this->view->escape($attribValue).'"';
}
// selected?
if (in_array((string) $optionData['value'], $selected)) {
$opt .= ' selected="selected"';
}
// disabled?
if (in_array($optionData['value'], $disable)) {
$opt .= ' disabled="disabled"';
}
$opt .= '>' . $this->view->escape($optionData['label']) . "</option>";
return $opt;
}
}
表单中的实现类似于：
$selectElement = new MyNamespace_Form_Element_SelectAttribs('selectElementName');
$selectElement->addMultiOption($value, $label, array('data-custom' => 'custom data embedded in option tag.');
我希望能有所帮助。感谢。
答案 3 :(得分：1)
migos， 你忘记了多重选择的setvalue方法。
你应该添加如下内容：
...
foreach ($options as $opt_value => $option) {
$opt_disable = '';
$opt_selected = '';
if (is_array($disable) && in_array($opt_value, $disable)) {
$opt_disable = ' disabled="disabled"';
}
if (in_array($opt_value,$value)) {
$opt_selected = ' selected="selected"';
}
$list[] = $this->_build($option, $disabled, $opt_selected);
}
...
and
protected function _build($option, $disabled, $opt_selected) {
$html = '<option';
foreach ($option as $attrib => $value) {
$html .= " $attrib=\"$value\"";
}
return $html . $disabled . $opt_selected . " foo>" . $option['label'] . "</option>";
}
答案 4 :(得分：0)
你可以扩展/覆盖Zend_View_Helper_FormSelect助手，但真正的问题是将额外的数据带入每个选项。
默认情况下，Zend_Form_Element_Select（通过Zend_Form_Element_Multi）要求每个选项有两个字符串，一个用于value属性，另一个用于文本内容。您可能需要创建自己的元素来处理额外的数据。
答案 5 :(得分：0)
根本不需要自定义表单元素，你可以做的是： $ element-＆gt; setAttrib（'disable'，array（1,2,5））;
如http://pietervogelaar.nl/set-attribute-on-select-option-with-zend_form/
所述