TbButtonGroup.php

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<?php
Yii::import('booster.widgets.TbButton');

class TbButtonGroup extends CWidget {
        
        // Toggle options.
        const TOGGLE_CHECKBOX = 'checkbox';
        const TOGGLE_RADIO = 'radio';

        public $buttonType = TbButton::BUTTON_BUTTON;

        public $context = TbButton::CTX_DEFAULT;
        
        public $justified = false;

        public $size;

        public $encodeLabel = true;

        public $htmlOptions = array();

        public $buttons = array();

        public $toggle;

        public $stacked = false;

        public $dropup = false;
        public $disabled = false;

        public function init() {
                
                $classes = [];
                
                if ($this->stacked === true) {
                        $classes[] = 'btn-group-vertical';
                } else {
                        $classes[] = 'btn-group';
                }

                if ($this->dropup === true) {
                        $classes[] = 'dropup';
                }
                
                if ($this->justified === true) {
                        $classes[] = 'btn-group-justified';
                }

                if (!empty($classes)) {
                        $classes = implode(' ', $classes);
                        if (isset($this->htmlOptions['class'])) {
                                $this->htmlOptions['class'] .= ' ' . $classes;
                        } else {
                                $this->htmlOptions['class'] = $classes;
                        }
                }

                $validToggles = array(self::TOGGLE_CHECKBOX, self::TOGGLE_RADIO);

                if (isset($this->toggle) && in_array($this->toggle, $validToggles)) {
                        $this->htmlOptions['data-toggle'] = 'buttons';
                }
        }

        public function run() {
                
                echo CHtml::openTag('div', $this->htmlOptions);

                foreach ($this->buttons as $button) {
                        if (isset($button['visible']) && $button['visible'] === false) {
                                continue;
                        }
                        
                        $validToggles = array(self::TOGGLE_CHECKBOX, self::TOGGLE_RADIO);
                        if (isset($this->toggle) && in_array($this->toggle, $validToggles)) {
                                $this->buttonType = $this->toggle;
                        }
                        
                        $justifiedNotLink = $this->justified && $this->buttonType !== TbButton::BUTTON_LINK;
                        if($justifiedNotLink)
                                echo '<div class="btn-group">';
                        
                        $this->controller->widget(
                                'booster.widgets.TbButton',
                                array(
                                        'buttonType' => isset($button['buttonType']) ? $button['buttonType'] : $this->buttonType,
                                        'context' => isset($button['context']) ? $button['context'] : $this->context,
                                        'size' => $this->size, // all buttons in a group cannot vary in size
                                        'icon' => isset($button['icon']) ? $button['icon'] : null,
                                        'label' => isset($button['label']) ? $button['label'] : null,
                                        'url' => isset($button['url']) ? $button['url'] : null,
                                        'active' => isset($button['active']) ? $button['active'] : false,
                                        'disabled' => isset($button['disabled']) ? $button['disabled'] : false,
                                        'items' => isset($button['items']) ? $button['items'] : array(),
                                        'ajaxOptions' => isset($button['ajaxOptions']) ? $button['ajaxOptions'] : array(),
                                        'htmlOptions' => isset($button['htmlOptions']) ? $button['htmlOptions'] : array(),
                                        'dropdownOptions' => isset($button['dropdownOptions']) ? $button['dropdownOptions'] : array(),
                                        'encodeLabel' => isset($button['encodeLabel']) ? $button['encodeLabel'] : $this->encodeLabel,
                    'tooltip' => isset($button['tooltip']) ? $button['tooltip'] : false,
                    'tooltipOptions' => isset($button['tooltipOptions']) ? $button['tooltipOptions'] : array(),
                                )
                        );
                        
                        if($justifiedNotLink)
                                echo '</div>';
                }
                echo '</div>';
        }
}