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Code Issues Releases Wiki Activity

Add InputfieldSelect.valueAddOption to facilitate dynamic option values

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This commit is contained in:
Ryan Cramer
2021-01-27 14:52:55 -05:00
parent 4633798d02
commit 201dc4155e
1 changed files with 27 additions and 2 deletions
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29
wire/modules/Inputfield/InputfieldSelect.module
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@@ -6,11 +6,15 @@
* Serves as the base for Inputfields that provide selection of options (whether single or multi).
* As a result, this class includes functionality for, and checks for both single-and-multi selection values.
* Sublcasses will want to override the render method, but it's not necessary to override processInput().
* Subclasses that select multiple values should implement the InputfieldHasArrayValue interface.
* Subclasses that select multiple values should implement the InputfieldHasArrayValue interface.
*
* ProcessWire 3.x, Copyright 2021 by Ryan Cramer
* https://processwire.com
*
* @property string|int $defaultValue
* @property array|string $options Get or set options, array of [value => label], or use options string.
* @property array $optionAttributes
* @property bool $valueAddOption If value attr set from API (only) that is not an option, add it as an option? (default=false) 3.0.171+
*
*/
class InputfieldSelect extends Inputfield {
@@ -55,6 +59,7 @@ class InputfieldSelect extends Inputfield {
public function __construct() {
parent::__construct();
$this->set('defaultValue', '');
$this->set('valueAddOption', false);
}
/**
@@ -71,6 +76,7 @@ class InputfieldSelect extends Inputfield {
*/
public function addOption($value, $label = null, array $attributes = null) {
if(is_null($label) || (is_string($label) && !strlen($label))) $label = $value;
if(isset($this->options[$value])) unset($this->options[$value]);
$this->options[$value] = $label;
if(!is_null($attributes)) $this->optionAttributes[$value] = $attributes;
return $this;
@@ -737,6 +743,10 @@ class InputfieldSelect extends Inputfield {
*
*/
public function ___processInput(WireInputData $input) {
// disable valueAddOption temporarily to prevent it from applying to user input
$valueAddOption = $this->valueAddOption;
if($valueAddOption) $this->valueAddOption = false;
parent::___processInput($input);
@@ -767,6 +777,7 @@ class InputfieldSelect extends Inputfield {
$this->setAttribute('value', $value);
$this->checkDefaultValue();
if($valueAddOption) $this->valueAddOption = $valueAddOption;
return $this;
}
@@ -826,7 +837,7 @@ class InputfieldSelect extends Inputfield {
*
*/
public function setAttribute($key, $value) {
if($key == 'value') {
if($key === 'value') {
if(is_object($value) || (is_string($value) && strpos($value, '|'))) {
$value = (string) $value;
if($this instanceof InputfieldHasArrayValue) {
@@ -839,6 +850,20 @@ class InputfieldSelect extends Inputfield {
$value = reset($value);
}
}
if($this->valueAddOption) {
// add option(s) for any value set from API
if(is_array($value)) {
foreach($value as $v) {
if(!$this->isOption($v)) {
if(strlen($v)) $this->addOption($v);
}
}
} else {
if(strlen($value) && !$this->isOption($value)) {
$this->addOption($value);
}
}
}
}
return parent::setAttribute($key, $value);
}