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<?php |
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/** |
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* Set of radio buttons designed to emulate a dropdown. |
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* |
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* This field allows you to ensure that a form element is submitted is not optional and is part of a fixed set of |
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* data. This field uses the input type of radio. It's a direct subclass of {@link DropdownField}, |
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* so the constructor and arguments are in the same format. |
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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 OptionsetField( |
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* $name = "Foobar", |
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* $title = "FooBar's optionset", |
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* $source = array( |
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* "1" => "Option 1", |
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* "2" => "Option 2", |
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* "3" => "Option 3", |
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* "4" => "Option 4", |
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* "5" => "Option 5" |
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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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* You can use the helper functions on data object set to create the source array. eg: |
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* |
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* <code> |
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* //Database request for the object |
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* $map = FooBar::get()->map(); |
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* // returns an SS_Map object containing an array of ID => Title |
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* |
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* // Instantiate the OptionsetField |
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* $FieldList = new FieldList( |
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* new OptionsetField( |
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* $name = "Foobar", |
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* $title = "FooBar's optionset", |
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* $source = $map, |
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* $value = $map[0] |
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* ) |
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* ); |
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* |
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* // Pass the fields to the form constructor. etc |
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* </code> |
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* |
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* @see CheckboxSetField for multiple selections through checkboxes instead. |
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* @see DropdownField for a simple <select> field with a single element. |
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* @see TreeDropdownField for a rich and customizeable UI that can visualize a tree of selectable elements |
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* |
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* @package forms |
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* @subpackage fields-basic |
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*/ |
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class OptionsetField extends DropdownField { |
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/** |
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* {@inheritdoc} |
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*/ |
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public function Field($properties = array()) { |
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$source = $this->getSource(); |
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$odd = 0; |
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$options = array(); |
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if($source) { |
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foreach($source as $value => $title) { |
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$itemID = $this->ID() . '_' . preg_replace('/[^a-zA-Z0-9]/', '', $value); |
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$odd = ($odd + 1) % 2; |
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$extraClass = $odd ? 'odd' : 'even'; |
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$extraClass .= ' val' . preg_replace('/[^a-zA-Z0-9\-\_]/', '_', $value); |
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$options[] = new ArrayData(array( |
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'ID' => $itemID, |
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'Class' => $extraClass, |
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'Name' => $this->name, |
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'Value' => $value, |
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'Title' => $title, |
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'isChecked' => $value == $this->value, |
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'isDisabled' => $this->disabled || in_array($value, $this->disabledItems), |
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)); |
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} |
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} |
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$properties = array_merge($properties, array( |
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'Options' => new ArrayList($options) |
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)); |
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return $this->customise($properties)->renderWith( |
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$this->getTemplates() |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validate($validator) { |
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if (!$this->value) { |
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return true; |
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} |
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return parent::validate($validator); |
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} |
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public function ExtraOptions() { |
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return new ArrayList(); |
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} |
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} |
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silverstripe /
silverstripe-framework
