mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-25 20:15:44 +02:00
71 lines
1.8 KiB
PHP
71 lines
1.8 KiB
PHP
<?php
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/**
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* Read-only complement of {@link DropdownField}.
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* Shows the "human value" of the dropdown field for the currently selected value.
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* @package forms
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* @subpackage fields-basic
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*/
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class LookupField extends DropdownField {
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protected $readonly = true;
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/**
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* Returns a readonly span containing the correct value.
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*/
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function Field() {
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$source = $this->getSource();
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// Normalize value to array to simplify further processing
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$values = (is_array($this->value) || is_object($this->value)) ? $this->value : array(trim($this->value));
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$mapped = array();
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if($source instanceof SQLMap) {
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foreach($values as $value) $mapped[] = $source->getItem($value);
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} else if($source instanceof ArrayAccess || is_array($source)) {
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foreach($values as $value) {
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if(isset($source[$value])) $mapped[] = $source[$value];
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}
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} else {
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$mapped = array();
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}
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// Don't check if string arguments are matching against the source,
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// as they might be generated HTML diff views instead of the actual values
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if($this->value && !$mapped) {
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$mapped = array(trim($this->value));
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$values = array();
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}
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if($mapped) {
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$attrValue = implode(', ', array_values($mapped));
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if(!$this->dontEscape) $attrValue = Convert::raw2xml($attrValue);
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$inputValue = implode(', ', array_values($values));
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} else {
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$attrValue = "<i>(none)</i>";
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$inputValue = '';
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}
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return "<span class=\"readonly\" id=\"" . $this->id() .
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"\">$attrValue</span><input type=\"hidden\" name=\"" . $this->name .
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"\" value=\"" . $inputValue . "\" />";
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}
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function performReadonlyTransformation() {
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$clone = clone $this;
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return $clone;
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}
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function Type() {
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return "lookup readonly";
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}
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/**
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* Override parent behaviour by not merging arrays.
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*/
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function getSource() {
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return $this->source;
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}
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}
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