mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-06-26 06:29:24 +02:00
82 lines
2.1 KiB
PHP
82 lines
2.1 KiB
PHP
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<?php
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/**
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* Dropdown field, created from a <select> tag.
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*/
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class ListboxField extends DropdownField {
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protected $source;
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protected $size;
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protected $multiple;
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/**
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* Creates a new dropdown field.
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* @param name The field name
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* @param title The field title
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* @param source An map of the dropdown items
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* @param value You can pass an array of values or a single value like a drop down to be selected
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* @param form The parent form
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*/
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function __construct($name, $title = "", $source = array(), $value = array(), $size = null, $multiple = null, $form = null) {
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if($size) $this->size = $size;
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if($multiple) $this->multiple = $multiple;
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parent::__construct($name, $title, $source, $value, $form);
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}
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/**
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* Returns a <select> tag containing all the appropriate <option> tags
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*/
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function Field() {
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if($this->size) $size = "size=\"$this->size\"";
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if($this->multiple) {
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$multiple = "multiple=\"multiple\"";
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$this->name .= '[]';
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}
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// We have an array of values
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if(is_array($this->value)){
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// Loop through and figure out which values were selected.
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foreach($this->source as $value => $title) {
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// Loop through the array of values to find out if this value is selected.
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foreach($this->value as $v){
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if($value == $v){
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$selected = " selected=\"selected\"";
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break;
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}else{
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$selected = "";
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}
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}
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$options .= "<option$selected value=\"$value\">$title</option>\n";
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}
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}else{
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// Listbox was based a singlular value, so treat it like a dropdown.
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if($this->source){
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foreach($this->source as $value => $title) {
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$selected = $value == $this->value ? " selected=\"selected\"" : "";
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$options .= "<option$selected value=\"$value\">$title</option>";
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}
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}
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}
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$id = $this->id();
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return "<select $size $multiple name=\"$this->name\" id=\"$id\">$options</select>";
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}
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/**
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* Sets the number of rows high this field should be
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*/
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function setSize($i){
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$this->size = $i;
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}
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/**
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* Sets this field to have a muliple select attribute
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*/
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function setMultiple($bool){
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$this->multiple = $bool;
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}
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}
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?>
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