mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
4d665ce268
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@112532 467b73ca-7a2a-4603-9d3b-597d59a354a9
503 lines
15 KiB
PHP
Executable File
503 lines
15 KiB
PHP
Executable File
<?php
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require_once 'Zend/Date.php';
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/**
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* Form field to display an editable date string,
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* either in a single `<input type="text">` field,
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* or in three separate fields for day, month and year.
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*
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* # Configuration
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*
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* - 'showcalendar' (boolean): Determines if a calendar picker is shown.
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* By default, "DHTML Calendar" is used,see http://www.dynarch.com/projects/calendar.
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* CAUTION: Only works in NZ date format, see calendar-setup.js
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* - 'dmyfields' (boolean): Show three input fields for day, month and year separately.
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* CAUTION: Might not be useable in combination with 'showcalendar', depending on the used javascript library
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* - 'dateformat' (string): Date format compatible with Zend_Date.
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* Usually set to default format for {@link locale}
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* through {@link Zend_Locale_Format::getDateFormat()}.
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* - 'datavalueformat' (string): Internal ISO format string used by {@link dataValue()} to save the
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* date to a database.
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* - 'min' (string): Minimum allowed date value (in ISO format, or strtotime() compatible).
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* Example: '2010-03-31', or '-7 days'
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* - 'max' (string): Maximum allowed date value (in ISO format, or strtotime() compatible).
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* Example: '2010-03-31', or '1 year'
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*
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* # Localization
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*
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* The field will get its default locale from {@link i18n::get_locale()}, and set the `dateformat`
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* configuration accordingly. Changing the locale through {@link setLocale()} will not update the
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* `dateformat` configuration automatically.
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*
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* # Usage
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*
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* ## Example: German dates with separate fields for day, month, year
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*
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* $f = new DateField('MyDate');
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* $f->setLocale('de_DE');
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* $f->setConfig('dmyfields');
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*
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* # Validation
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*
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* Caution: JavaScript validation is only supported for the 'en_NZ' locale at the moment,
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* it will be disabled automatically for all other locales.
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*
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* @package forms
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* @subpackage fields-datetime
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*/
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class DateField extends TextField {
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/**
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* @var array
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*/
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protected $config = array(
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'showcalendar' => false,
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'dmyfields' => false,
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'dmyseparator' => ' <span class="separator">/</span> ',
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'dateformat' => null,
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'datavalueformat' => 'yyyy-MM-dd',
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'min' => null,
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'max' => null
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);
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/**
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* @var String
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*/
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protected $locale = null;
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/**
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* @var Zend_Date Just set if the date is valid.
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* {@link $value} will always be set to aid validation,
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* and might contain invalid values.
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*/
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protected $valueObj = null;
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function __construct($name, $title = null, $value = null, $form = null, $rightTitle = null) {
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if(!$this->locale) {
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$this->locale = i18n::get_locale();
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}
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if(!$this->getConfig('dateformat')) {
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$this->setConfig('dateformat', Zend_Locale_Format::getDateFormat($this->locale));
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}
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parent::__construct($name, $title, $value, $form, $rightTitle);
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}
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function FieldHolder() {
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return parent::FieldHolder();
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}
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function Field() {
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// Three separate fields for day, month and year
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if($this->getConfig('dmyfields')) {
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// values
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$valArr = ($this->valueObj) ? $this->valueObj->toArray() : null;
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// fields
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$fieldDay = new NumericField($this->name . '[day]', false, ($valArr) ? $valArr['day'] : null);
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$fieldDay->addExtraClass('day');
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$fieldDay->setMaxLength(2);
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$fieldMonth = new NumericField($this->name . '[month]', false, ($valArr) ? $valArr['month'] : null);
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$fieldMonth->addExtraClass('month');
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$fieldMonth->setMaxLength(2);
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$fieldYear = new NumericField($this->name . '[year]', false, ($valArr) ? $valArr['year'] : null);
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$fieldYear->addExtraClass('year');
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$fieldYear->setMaxLength(4);
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// order fields depending on format
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$sep = $this->getConfig('dmyseparator');
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$format = $this->getConfig('dateformat');
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$fields = array();
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$fields[stripos($format, 'd')] = $fieldDay->Field();
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$fields[stripos($format, 'm')] = $fieldMonth->Field();
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$fields[stripos($format, 'y')] = $fieldYear->Field();
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ksort($fields);
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$html = implode($sep, $fields);
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}
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// Default text input field
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else {
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$html = parent::Field();
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}
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$html = $this->FieldDriver($html);
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// wrap in additional div for legacy reasons and to apply behaviour correctly
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if($this->getConfig('showcalendar')) $html = sprintf('<div class="calendardate">%s</div>', $html);
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return $html;
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}
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/**
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* Caution: API might change. This will evolve into a pluggable
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* API for 'form field drivers' which can add their own
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* markup and requirements.
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*
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* @param String $html
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* @return $html
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*/
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protected function FieldDriver($html) {
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// Optionally add a "DHTML" calendar icon. Mainly legacy, a date picker
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// should be unobtrusively added by javascript (e.g. jQuery UI).
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// CAUTION: Only works in NZ date format, see calendar-setup.js
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if($this->getConfig('showcalendar')) {
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Requirements::javascript(THIRDPARTY_DIR . '/prototype/prototype.js');
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Requirements::javascript(THIRDPARTY_DIR . '/behaviour/behaviour.js');
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Requirements::javascript(THIRDPARTY_DIR . "/calendar/calendar.js");
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Requirements::javascript(THIRDPARTY_DIR . "/calendar/lang/calendar-en.js");
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Requirements::javascript(THIRDPARTY_DIR . "/calendar/calendar-setup.js");
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Requirements::css(SAPPHIRE_DIR . "/css/DateField.css");
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Requirements::css(THIRDPARTY_DIR . "/calendar/calendar-win2k-1.css");
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$html .= sprintf('<img src="sapphire/images/calendar-icon.gif" id="%s-icon" alt="Calendar icon" />', $this->id());
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$html .= sprintf('<div class="calendarpopup" id="%s-calendar"></div>', $this->id());
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}
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return $html;
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}
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/**
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* Sets the internal value to ISO date format.
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*
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* @param String|Array $val
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*/
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function setValue($val) {
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if(empty($val)) {
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$this->value = null;
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$this->valueObj = null;
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} else {
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if($this->getConfig('dmyfields')) {
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// Setting in correct locale
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if(is_array($val) && $this->validateArrayValue($val)) {
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// set() gets confused with custom date formats when using array notation
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$this->valueObj = new Zend_Date($val, null, $this->locale);
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$this->value = $this->valueObj->toArray();
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}
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// load ISO date from database (usually through Form->loadDataForm())
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else if(!empty($val) && Zend_Date::isDate($val, $this->getConfig('datavalueformat'))) {
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$this->valueObj = new Zend_Date($val, $this->getConfig('datavalueformat'));
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$this->value = $this->valueObj->toArray();
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}
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else {
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$this->value = $val;
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$this->valueObj = null;
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}
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} else {
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// Setting in corect locale.
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// Caution: Its important to have this check *before* the ISO date fallback,
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// as some dates are falsely detected as ISO by isDate(), e.g. '03/04/03'
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// (en_NZ for 3rd of April, definetly not yyyy-MM-dd)
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if(!empty($val) && Zend_Date::isDate($val, $this->getConfig('dateformat'), $this->locale)) {
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$this->valueObj = new Zend_Date($val, $this->getConfig('dateformat'), $this->locale);
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$this->value = $this->valueObj->get($this->getConfig('dateformat'));
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}
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// load ISO date from database (usually through Form->loadDataForm())
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else if(!empty($val) && Zend_Date::isDate($val, $this->getConfig('datavalueformat'))) {
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$this->valueObj = new Zend_Date($val, $this->getConfig('datavalueformat'));
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$this->value = $this->valueObj->get($this->getConfig('dateformat'));
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}
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else {
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$this->value = $val;
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$this->valueObj = null;
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}
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}
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}
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}
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/**
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* @return String ISO 8601 date, suitable for insertion into database
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*/
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function dataValue() {
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if($this->valueObj) {
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return $this->valueObj->toString($this->getConfig('datavalueformat'));
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} else {
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return null;
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}
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}
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function performReadonlyTransformation() {
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$field = new DateField_Disabled($this->name, $this->title, $this->dataValue());
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$field->setForm($this->form);
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$field->readonly = true;
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return $field;
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}
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function jsValidation() {
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// JavaScript validation of locales other than en_NZ are not supported at the moment...
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if($this->getLocale() != 'en_NZ') return;
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$formID = $this->form->FormName();
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if(Validator::get_javascript_validator_handler() == 'none') return true;
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if($this->showSeparateFields) {
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$error = _t('DateField.VALIDATIONJS', 'Please enter a valid date format (DD/MM/YYYY).');
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$error = 'Please enter a valid date format (DD/MM/YYYY) from dmy.';
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$jsFunc =<<<JS
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Behaviour.register({
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"#$formID": {
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validateDMYDate: function(fieldName) {
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var day_value = \$F(_CURRENT_FORM.elements[fieldName+'[day]']);
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var month_value = \$F(_CURRENT_FORM.elements[fieldName+'[month]']);
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var year_value = \$F(_CURRENT_FORM.elements[fieldName+'[year]']);
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// TODO NZ specific
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var value = day_value + '/' + month_value + '/' + year_value;
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if(value && value.length > 0 && !value.match(/^[0-9]{1,2}\/[0-9]{1,2}\/([0-9][0-9]){1,2}\$/)) {
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validationError(_CURRENT_FORM.elements[fieldName+'[day]'],"$error","validation",false);
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return false;
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}
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return true;
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}
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}
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});
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JS;
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Requirements :: customScript($jsFunc, 'func_validateDMYDate_'.$formID);
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return <<<JS
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if(\$('$formID')){
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if(typeof fromAnOnBlur != 'undefined'){
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if(fromAnOnBlur.name == '$this->name')
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\$('$formID').validateDMYDate('$this->name');
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}else{
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\$('$formID').validateDMYDate('$this->name');
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}
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}
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JS;
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} else {
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$error = _t('DateField.VALIDATIONJS', 'Please enter a valid date format (DD/MM/YYYY).');
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$jsFunc =<<<JS
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Behaviour.register({
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"#$formID": {
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validateDate: function(fieldName) {
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var el = _CURRENT_FORM.elements[fieldName];
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if(el)
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var value = \$F(el);
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if(Element.hasClassName(el, 'dmydate')) {
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// dmy triple field validation
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var day_value = \$F(_CURRENT_FORM.elements[fieldName+'[day]']);
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var month_value = \$F(_CURRENT_FORM.elements[fieldName+'[month]']);
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var year_value = \$F(_CURRENT_FORM.elements[fieldName+'[year]']);
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// TODO NZ specific
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var value = day_value + '/' + month_value + '/' + year_value;
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if(value && value.length > 0 && !value.match(/^[0-9]{1,2}\/[0-9]{1,2}\/([0-9][0-9]){1,2}\$/)) {
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validationError(_CURRENT_FORM.elements[fieldName+'[day]'],"$error","validation",false);
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return false;
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}
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} else {
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// single field validation
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if(value && value.length > 0 && !value.match(/^[0-9]{1,2}\/[0-9]{1,2}\/[0-90-9]{2,4}\$/)) {
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validationError(el,"$error","validation",false);
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return false;
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}
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}
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return true;
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}
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}
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});
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JS;
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Requirements :: customScript($jsFunc, 'func_validateDate_'.$formID);
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return <<<JS
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if(\$('$formID')){
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if(typeof fromAnOnBlur != 'undefined'){
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if(fromAnOnBlur.name == '$this->name')
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\$('$formID').validateDate('$this->name');
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}else{
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\$('$formID').validateDate('$this->name');
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}
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}
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JS;
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}
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}
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/**
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* Validate an array with expected keys 'day', 'month' and 'year.
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* Used because Zend_Date::isDate() doesn't provide this.
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*
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* @param Array $val
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* @return boolean
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*/
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function validateArrayValue($val) {
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if(!is_array($val)) return false;
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return (
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array_key_exists('year', $val)
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&& Zend_Date::isDate($val['year'], 'yyyy', $this->locale)
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&& array_key_exists('month', $val)
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&& Zend_Date::isDate($val['month'], 'MM', $this->locale)
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&& array_key_exists('day', $val)
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&& Zend_Date::isDate($val['day'], 'dd', $this->locale)
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);
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}
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/**
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* @return Boolean
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*/
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function validate($validator) {
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$valid = true;
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// Don't validate empty fields
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if(empty($this->value)) return true;
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// date format
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if($this->getConfig('dmyfields')) {
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$valid = (!$this->value || $this->validateArrayValue($this->value));
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} else {
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$valid = (Zend_Date::isDate($this->value, $this->getConfig('dateformat'), $this->locale));
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}
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if(!$valid) {
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$validator->validationError(
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$this->name,
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_t('DateField.VALIDDATEFORMAT', "Please enter a valid date format (DD/MM/YYYY)."),
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"validation",
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false
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);
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return false;
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}
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// min/max - Assumes that the date value was valid in the first place
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if($min = $this->getConfig('min')) {
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// ISO or strtotime()
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if(Zend_Date::isDate($min, $this->getConfig('datavalueformat'))) {
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$minDate = new Zend_Date($min, $this->getConfig('datavalueformat'));
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} else {
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$minDate = new Zend_Date(strftime('%Y-%m-%d', strtotime($min)), $this->getConfig('datavalueformat'));
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}
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if(!$this->valueObj->isLater($minDate) && !$this->valueObj->equals($minDate)) {
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$validator->validationError(
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$this->name,
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sprintf(
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_t('DateField.VALIDDATEMINDATE', "Your date has to be newer or matching the minimum allowed date (%s)"),
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$minDate->toString($this->getConfig('dateformat'))
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),
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"validation",
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false
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);
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return false;
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}
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}
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if($max = $this->getConfig('max')) {
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// ISO or strtotime()
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if(Zend_Date::isDate($min, $this->getConfig('datavalueformat'))) {
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$maxDate = new Zend_Date($max, $this->getConfig('datavalueformat'));
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} else {
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$maxDate = new Zend_Date(strftime('%Y-%m-%d', strtotime($max)), $this->getConfig('datavalueformat'));
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}
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if(!$this->valueObj->isEarlier($maxDate) && !$this->valueObj->equals($maxDate)) {
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$validator->validationError(
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$this->name,
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sprintf(
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_t('DateField.VALIDDATEMAXDATE', "Your date has to be older or matching the maximum allowed date (%s)"),
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$maxDate->toString($this->getConfig('dateformat'))
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),
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"validation",
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false
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);
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return false;
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}
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}
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return true;
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}
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/**
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* @return string
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*/
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function getLocale() {
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return $this->locale;
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}
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/**
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* Caution: Will not update the 'dateformat' config value.
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*
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* @param String $locale
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*/
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function setLocale($locale) {
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$this->locale = $locale;
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}
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/**
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* @param string $name
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* @param mixed $val
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*/
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function setConfig($name, $val) {
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switch($name) {
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case 'min':
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$format = $this->getConfig('datavalueformat');
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if($val && !Zend_Date::isDate($val, $format) && !strtotime($val)) {
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throw new InvalidArgumentException('Date "%s" is not a valid minimum date format (%s) or strtotime() argument', $val, $format);
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}
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break;
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case 'max':
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$format = $this->getConfig('datavalueformat');
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if($val && !Zend_Date::isDate($val, $format) && !strtotime($val)) {
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throw new InvalidArgumentException('Date "%s" is not a valid maximum date format (%s) or strtotime() argument', $val, $format);
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}
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break;
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case 'showcalendar':
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$this->config['dateformat'] = Zend_Locale_Format::getDateFormat('en_NZ');
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break;
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}
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$this->config[$name] = $val;
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}
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/**
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* @param String $name
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* @return mixed
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*/
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function getConfig($name) {
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return $this->config[$name];
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}
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}
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/**
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* Disabled version of {@link DateField}.
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* Allows dates to be represented in a form, by showing in a user friendly format, eg, dd/mm/yyyy.
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* @package forms
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* @subpackage fields-datetime
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*/
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class DateField_Disabled extends DateField {
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protected $disabled = true;
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function Field() {
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if($this->valueObj) {
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if($this->valueObj->isToday()) {
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$val = Convert::raw2xml($this->valueObj->toString($this->getConfig('dateformat')) . ' ('._t('DateField.TODAY','today').')');
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} else {
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$df = new Date($this->name);
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$df->setValue($this->dataValue());
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$val = Convert::raw2xml($this->valueObj->toString($this->getConfig('dateformat')) . ', ' . $df->Ago());
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}
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} else {
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$val = '<i>('._t('DateField.NOTSET', 'not set').')</i>';
|
|
}
|
|
|
|
return "<span class=\"readonly\" id=\"" . $this->id() . "\">$val</span>";
|
|
}
|
|
|
|
function Type() {
|
|
return "date_disabled readonly";
|
|
}
|
|
|
|
function jsValidation() {
|
|
return null;
|
|
}
|
|
|
|
function validate($validator) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
?>
|