61 lines
1.4 KiB
PHP
61 lines
1.4 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 $readonly = true;
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/**
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* Returns a readonly span containing the correct value.
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*/
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function Field() {
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if(trim($this->value) || $this->value === '0') {
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$this->value = trim($this->value);
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$source = $this->getSource();
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if(is_array($source)) {
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$mappedValue = isset($source[$this->value]) ? $source[$this->value] : null;
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} elseif($source instanceof SQLMap) {
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$mappedValue = $source->getItem($this->value);
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}
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}
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if(!isset($mappedValue)) $mappedValue = "<i>(none)</i>";
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if($this->value) {
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$val = $this->dontEscape
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? ($this->reserveNL?Convert::raw2xml($this->value):$this->value)
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: Convert::raw2xml($this->value);
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} else {
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$val = '<i>(none)</i>';
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}
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$valforInput = $this->value ? Convert::raw2att($val) : "";
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return "<span class=\"readonly\" id=\"" . $this->id() .
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"\">$mappedValue</span><input type=\"hidden\" name=\"" . $this->name .
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"\" value=\"" . $valforInput . "\" />";
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}
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function performReadonlyTransformation() {
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$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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?>
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