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<?php |
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/** |
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*## TbChosen class file. |
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* |
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* @author Yaroslav Molchan <[email protected]> |
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*/ |
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/** |
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*## Chosen wrapper widget |
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* |
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* @see http://harvesthq.github.com/chosen |
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* |
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* @package booster.widgets.forms.inputs |
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*/ |
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class TbChosen extends CInputWidget { |
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/** |
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* @var TbActiveForm when created via TbActiveForm. |
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* This attribute is set to the form that renders the widget |
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* @see TbActionForm->inputRow |
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*/ |
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public $form; |
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/** |
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* @var array @param data for generating the list options (value=>display) |
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*/ |
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public $data = array(); |
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/** |
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* @var |
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*/ |
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public $options; |
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/** |
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*### .init() |
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* |
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* Initializes the widget. |
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*/ |
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public function init() |
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{ |
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$this->normalizeData(); |
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$this->normalizeOptions(); |
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$this->addEmptyItemIfPlaceholderDefined(); |
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$this->setDefaultWidthIfEmpty(); |
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} |
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/** |
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*### .run() |
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* |
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* Runs the widget. |
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*/ |
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public function run() |
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{ |
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list($name, $id) = $this->resolveNameID(); |
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if ($this->hasModel()) { |
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if ($this->form) { |
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echo $this->form->dropDownList($this->model, $this->attribute, $this->data, $this->htmlOptions); |
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} else { |
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echo CHtml::activeDropDownList($this->model, $this->attribute, $this->data, $this->htmlOptions); |
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} |
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} else { |
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echo CHtml::dropDownList($name, $this->value, $this->data, $this->htmlOptions); |
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} |
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$this->registerClientScript($id); |
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} |
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/** |
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*### .registerClientScript() |
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* |
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* Registers required client script for chosen. It is not used through bootstrap->registerPlugin |
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* in order to attach events if any |
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* |
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* @param $id |
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* |
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* @throws CException |
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*/ |
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public function registerClientScript($id) { |
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Booster::getBooster()->registerPackage('chosen'); |
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$options = !empty($this->options) ? CJavaScript::encode($this->options) : ''; |
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ob_start(); |
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echo "$('#{$id}').chosen({$options})"; |
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Yii::app()->getClientScript()->registerScript(__CLASS__ . '#' . $this->getId(), ob_get_clean() . ';'); |
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} |
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private function setDefaultWidthIfEmpty() |
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{ |
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if (empty($this->options['width'])) { |
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$this->options['width'] = '100%'; |
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} |
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} |
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private function normalizeData() |
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{ |
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if (!$this->data) |
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$this->data = array(); |
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} |
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private function addEmptyItemIfPlaceholderDefined() |
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{ |
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if (!empty($this->htmlOptions['placeholder'])) |
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$this->options['placeholder'] = $this->htmlOptions['placeholder']; |
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if (!empty($this->options['placeholder']) && empty($this->htmlOptions['multiple'])) |
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$this->prependDataWithEmptyItem(); |
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} |
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private function normalizeOptions() |
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{ |
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if (empty($this->options)) { |
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$this->options = array(); |
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} |
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} |
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private function prependDataWithEmptyItem() |
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{ |
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$this->data = array('' => '') + $this->data; |
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} |
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} |
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clevertech /
YiiBooster
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.