mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
4a5f5b9525
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.4@108375 467b73ca-7a2a-4603-9d3b-597d59a354a9
120 lines
3.0 KiB
PHP
Executable File
120 lines
3.0 KiB
PHP
Executable File
<?php
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/**
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* Multi-line listbox field, created from a <select> tag.
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*
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* <b>Usage</b>
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*
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* <code>
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* new ListboxField(
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* $name = "pickanumber",
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* $title = "Pick a number",
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* $source = array(
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* "1" => "one",
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* "2" => "two",
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* "3" => "three"
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* ),
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* $value = 1
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* )
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* </code>
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*
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* @see DropdownField for a simple <select> field with a single element.
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* @see CheckboxSetField for multiple selections through checkboxes.
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* @see OptionsetField for single selections via radiobuttons.
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* @see TreeDropdownField for a rich and customizeable UI that can visualize a tree of selectable elements
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*
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* @package forms
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* @subpackage fields-basic
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*/
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class ListboxField extends DropdownField {
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/**
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* The size of the field in rows.
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* @var int
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*/
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protected $size;
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/**
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* Should the user be able to select multiple
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* items on this dropdown field?
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*
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* @var boolean
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*/
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protected $multiple = false;
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/**
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* Creates a new dropdown field.
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*
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* @param string $name The field name
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* @param string $title The field title
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* @param array $source An map of the dropdown items
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* @param string|array $value You can pass an array of values or a single value like a drop down to be selected
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* @param int $size Optional size of the select element
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* @param form The parent form
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*/
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function __construct($name, $title = '', $source = array(), $value = '', $size = null, $multiple = false, $form = null) {
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if($size) $this->size = $size;
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if($multiple) $this->multiple = $multiple;
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parent::__construct($name, $title, $source, $value, $form);
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}
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/**
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* Returns a <select> tag containing all the appropriate <option> tags
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*/
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function Field() {
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$size = '';
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$multiple = '';
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if($this->size) $size = "size=\"$this->size\"";
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if($this->multiple) {
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$multiple = "multiple=\"multiple\"";
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$this->name .= '[]';
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}
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$options = "";
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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->getSource() as $value => $title) {
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// Loop through the array of values to find out if this value is selected.
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$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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}
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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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foreach($this->getSource() as $value => $title) {
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$selected = $value == $this->value ? " selected=\"selected\"" : "";
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$options .= "<option$selected value=\"$value\">$title</option>";
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}
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}
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$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 size of this dropdown in rows.
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* @param int $size The height in rows (e.g. 3)
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*/
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function setSize($size) {
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$this->size = $size;
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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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* @param boolean $bool
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*/
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function setMultiple($bool) {
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$this->multiple = $bool;
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}
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}
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?>
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