silverstripe-framework/Forms/MemberDatetimeOptionsetField.php

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<?php
namespace SilverStripe\Forms;
use SilverStripe\ORM\ArrayList;
use SilverStripe\Core\Convert;
use SilverStripe\View\ArrayData;
use SilverStripe\View\Requirements;
use Zend_Date;
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class MemberDatetimeOptionsetField extends OptionsetField {
const CUSTOM_OPTION = '__custom__';
/**
* Non-ambiguous date to use for the preview.
* Must be in 'y-MM-dd HH:mm:ss' format
*
* @var string
*/
private static $preview_date = '25-12-2011 17:30:00';
private static $casting = ['Description' => 'HTMLText'];
private $descriptionTemplate = '';
public function Field($properties = array()) {
Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/client/dist/js/MemberDatetimeOptionsetField.js');
$options = array();
$odd = false;
// Add all options striped
$anySelected = false;
foreach($this->getSourceEmpty() as $value => $title) {
$odd = !$odd;
if(!$anySelected) {
$anySelected = $this->isSelectedValue($value, $this->Value());
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}
$options[] = $this->getFieldOption($value, $title, $odd);
}
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// Add "custom" input field option
$options[] = $this->getCustomFieldOption(!$anySelected, !$odd);
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// Build fieldset
$properties = array_merge($properties, array(
'Options' => new ArrayList($options)
));
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return $this->customise($properties)->renderWith(
$this->getTemplates()
);
}
/**
* Create the "custom" selection field option
*
* @param bool $isChecked True if this is checked
* @param bool $odd Is odd striped
* @return ArrayData
*/
protected function getCustomFieldOption($isChecked, $odd) {
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// Add "custom" input field
$option = $this->getFieldOption(
self::CUSTOM_OPTION,
_t('MemberDatetimeOptionsetField.Custom', 'Custom'),
$odd
);
$option->setField('isChecked', $isChecked);
$option->setField('CustomName', $this->getName().'[Custom]');
$option->setField('CustomValue', $this->Value());
if($this->Value()) {
$preview = Convert::raw2xml($this->previewFormat($this->Value()));
$option->setField('CustomPreview', $preview);
$option->setField('CustomPreviewLabel', _t('MemberDatetimeOptionsetField.Preview', 'Preview'));
}
return $option;
}
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/**
* For a given format, generate a preview for the date
*
* @param string $format Date format
* @return string
*/
protected function previewFormat($format) {
$date = $this->config()->preview_date;
$zendDate = new Zend_Date($date, 'y-MM-dd HH:mm:ss');
return $zendDate->toString($format);
}
public function getOptionName() {
return parent::getOptionName() . '[Options]';
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}
public function Type() {
return 'optionset memberdatetimeoptionset';
}
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public function getDescription() {
if ($template = $this->getDescriptionTemplate()) {
return $this->renderWith($template);
}
return parent::getDescription();
}
public function getDescriptionTemplate() {
return $this->descriptionTemplate;
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}
public function setDescriptionTemplate($template) {
$this->descriptionTemplate = $template;
}
public function setValue($value) {
// Extract custom option from postback
if(is_array($value)) {
if(empty($value['Options'])) {
$value = '';
} elseif($value['Options'] === self::CUSTOM_OPTION) {
$value = $value['Custom'];
} else {
$value = $value['Options'];
}
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}
return parent::setValue($value);
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}
/**
* Validate this field
*
* @param Validator $validator
* @return bool
*/
public function validate($validator) {
$value = $this->Value();
if(!$value) {
return true; // no custom value, don't validate
}
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// Check that the current date with the date format is valid or not
require_once 'Zend/Date.php';
$date = Zend_Date::now()->toString($value);
$valid = Zend_Date::isDate($date, $value);
if($valid) {
return true;
}
// Fail
$validator->validationError(
$this->getName(),
_t(
'MemberDatetimeOptionsetField.DATEFORMATBAD',
"Date format is invalid"
),
"validation"
);
return false;
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}
}