mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
138 lines
4.3 KiB
PHP
138 lines
4.3 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 DropdownField extends FormField {
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protected $source;
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protected $isSelected, $disabled;
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/**
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* Creates a new dropdown field.
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* @param name The field name
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* @param title The field title
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* @param source An map of the dropdown items
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* @param value The current value
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* @param form The parent form
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* @param emptyString mixed Add an empty selection on to of the {source}-Array
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* (can also be boolean, which results in an empty string)
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*/
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function __construct($name, $title = "", $source = array(), $value = "", $form = null, $emptyString = null) {
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if(is_string($emptyString)) {
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$source = is_array($source) ? array(""=>$emptyString) + $source : array(""=>$emptyString);
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} elseif($emptyString === true) {
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$source = is_array($source) ? array(""=>"") + $source : array(""=>"");
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}
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$this->source = $source;
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parent::__construct($name, $title, $value, $form);
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}
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/**
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* Returns a <select> tag containing all the appropriate <option> tags
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*/
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function Field() {
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$classAttr = '';
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$options = '';
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if($extraClass = trim($this->extraClass())) {
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$classAttr = "class=\"$extraClass\"";
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}
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if($this->source) foreach($this->source as $value => $title) {
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$selected = $value == $this->value ? " selected=\"selected\"" : "";
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if($selected && $this->value != 0) {
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$this->isSelected = true;
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}
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$options .= "<option$selected value=\"$value\">$title</option>";
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}
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$id = $this->id();
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$disabled = $this->disabled ? " disabled=\"disabled\"" : "";
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return "<select $classAttr $disabled name=\"$this->name\" id=\"$id\">$options</select>";
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}
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function isSelected(){
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return $this->isSelected;
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}
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function getSource() {
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return $this->source;
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}
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function setSource($source) {
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$this->source = $source;
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}
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function performReadonlyTransformation() {
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$field = new LookupField($this->name, $this->title, $this->source);
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$field->setValue($this->value);
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$field->setForm($this->form);
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return $field;
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}
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function extraClass(){
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$ret = parent::extraClass();
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if($this->extraClass) $ret .= " $this->extraClass";
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return $ret;
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}
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}
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/**
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* The class is originally designed to be used by RelatedDataEditor
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* However, it can potentially be used as a normal dropdown field with add links in a normal form
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*/
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class DropdownField_WithAdd extends DropdownField {
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protected $addText, $useExistingText, $addLink, $useExistingLink;
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public $editLink;
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function __construct($name, $title = "", $source = array(), $addLink=null, $useExistingLink=null, $addText="Add", $useExistingText="Use Existing", $value = "", $form = null){
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parent::__construct($name, $title, $source, $value, $form);
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$this->addText = $addText;
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$this->useExistingText = $useExistingText;
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$this->addLink = $addLink;
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$this->useExistingLink = $useExistingLink;
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}
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function emptyString($string){
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}
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/**
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* Returns a <select> tag containing all the appropriate <option> tags and with add/useExisting link
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*/
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function Field() {
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//Add these js file so that the DropdownField_WithAdd can work alone (in a webpage, rather than CMS).
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Requirements::javascript('jsparty/prototype.js');
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Requirements::javascript('jsparty/behaviour.js');
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Requirements::javascript('jsparty/prototype_improvements.js');
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Requirements::Javascript("sapphire/javascript/DropdownField_WithAdd.js");
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$dropdown = parent::Field();
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if($this->addLink) $addLink = <<<HTML
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<a class="addlink link" id="{$this->name}_addLink" href="$this->addLink" style="display: inline; padding-left: 1em; text-decoration: underline;">$this->addText</a>
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HTML;
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if($this->useExistingLink) $useExistingLink = <<<HTML
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<a class="useExistinglink link" id="{$this->name}_useExistingLink" href="$this->useExistingLink" style="display: none; padding-left: 1em; text-decoration: underline;">$this->useExistingText</a>
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HTML;
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if($this->editLink) $editLink = <<<HTML
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<a class="editlink" id="{$this->name}_editLink" href="$this->editLink" style="display: inline; padding-left: 1em; text-decoration: underline;">edit</a>
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HTML;
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return $dropdown . $addLink . $useExistingLink . $editLink;
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}
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/**
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* Add a class for this special label so that
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* it can have special styling
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*/
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function Title() {
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$title = parent::Title();
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return <<<HTML
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<span class="keylabel">$title</span>
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HTML;
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}
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}
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?>
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