silverstripe-framework/forms/CurrencyField.php

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<?php
/**
* Currency field.
*/
class CurrencyField extends TextField {
/**
* allows the value to be set ( not including $ signs and number format...)
*/
function setValue($val) {
$this->value = '$' . number_format(ereg_replace('[^0-9.]',"",$val), 2);
}
/**
* Overwrite the datavalue before saving to the db ;-)
*/
function dataValue() {
if($this->value){
return ereg_replace('[^0-9.]',"", $this->value);
}else{
return 0.00;
}
}
/**
* Create a new class for this field
*/
function performReadonlyTransformation() {
return new CurrencyField_Readonly($this->name, $this->title, $this->value);
/*
$this is-a object and cant be passed as_a string of the first parameter of formfield constructor.
return new CurrencyField_Readonly($this);
*/
}
/**
* @see http://regexlib.com/REDetails.aspx?regexp_id=126
*/
function jsValidation() {
$formID = $this->form->FormName();
$jsFunc =<<<JS
Behaviour.register({
"#$formID": {
validateCurrency: function(fieldName) {
var el = _CURRENT_FORM.elements[fieldName];
if(!el || !el.value) return true;
var value = \$F(el);
if(value.length > 0 && !value.match(/^\\$?(\d{1,3}(\,\d{3})*|(\d+))(\.\d{2})?\$/)) {
validationError(el,"Please enter a valid currency.","validation",false);
return false;
}
return true;
}
}
});
JS;
Requirements::customScript($jsFunc, 'func_validateCurrency');
return "\$('$formID').validateCurrency('$this->name');";
}
function validate() {
if(!empty ($this->value) && !preg_match('/^\$?(\d{1,3}(\,\d{3})*|(\d+))(\.\d{2})?$/', $this->value)) {
$validator->validationError($this->name, _t('Form.VALIDCURRENCY', "Please enter a valid currency."), "validation", false);
return false;
}
return true;
}
}
/**
* Creates the appropriate readonly field for this class.
*/
class CurrencyField_Readonly extends ReadonlyField{
/**
* overloaded to display the correctly formated value for this datatype
*/
function Field() {
if($this->value){
$val = $this->dontEscape ? ($this->reserveNL?Convert::raw2xml($this->value):$this->value) : Convert::raw2xml($this->value);
$val = '$' . number_format(ereg_replace('[^0-9.]',"",$val), 2);
}else {
$val = '<i>$0.00</i>';
}
$valforInput = $this->value ? Convert::raw2att($val) : "";
return "<span class=\"readonly\" id=\"" . $this->id() . "\">$val</span><input type=\"hidden\" name=\"".$this->name."\" value=\"".$valforInput."\" />";
}
/**
* This already is a readonly field.
*/
function performReadonlyTransformation() {
return $this;
}
}
?>