buttonList = $context->getButtonList(); $this->toolbar = $context->getButtonToolbar(); parent::__construct($context, $data); } /** * Initialize "controller" and "header text" * * @return void */ protected function _construct() { parent::_construct(); if ($this->hasData(self::PARAM_CONTROLLER)) { $this->_controller = $this->_getData(self::PARAM_CONTROLLER); } if ($this->hasData(self::PARAM_HEADER_TEXT)) { $this->_headerText = $this->_getData(self::PARAM_HEADER_TEXT); } } /** * Public wrapper for the button list * * @param string $buttonId * @param array $data * @param integer $level * @param integer $sortOrder * @param string|null $region That button should be displayed in ('toolbar', 'header', 'footer', null) * @return $this */ public function addButton($buttonId, $data, $level = 0, $sortOrder = 0, $region = 'toolbar') { $this->buttonList->add($buttonId, $data, $level, $sortOrder, $region); return $this; } /** * Public wrapper for the button list * * @param string $buttonId * @return $this */ public function removeButton($buttonId) { $this->buttonList->remove($buttonId); return $this; } /** * Public wrapper for protected _updateButton method * * @param string $buttonId * @param string|null $key * @param string $data * @return $this */ public function updateButton($buttonId, $key, $data) { $this->buttonList->update($buttonId, $key, $data); return $this; } /** * Preparing child blocks for each added button * * @return $this */ protected function _prepareLayout() { $this->toolbar->pushButtons($this, $this->buttonList); return parent::_prepareLayout(); } /** * Produce buttons HTML * * @param string $region * @return string */ public function getButtonsHtml($region = null) { $out = ''; foreach ($this->buttonList->getItems() as $buttons) { /** @var \Magento\Backend\Block\Widget\Button\Item $item */ foreach ($buttons as $item) { if ($region && $region != $item->getRegion()) { continue; } $out .= $this->getChildHtml($item->getButtonKey()); } } return $out; } /** * Get header text * * @return string */ public function getHeaderText() { return $this->_headerText; } /** * Get header CSS class * * @return string */ public function getHeaderCssClass() { return 'head-' . strtr($this->_controller, '_', '-'); } /** * Get header HTML * * @return string */ public function getHeaderHtml() { return '

' . $this->getHeaderText() . '

'; } /** * Check if there's anything to display in footer * * @return boolean */ public function hasFooterButtons() { foreach ($this->buttonList->getItems() as $buttons) { foreach ($buttons as $data) { if (isset($data['region']) && 'footer' == $data['region']) { return true; } } } return false; } /** * Check whether button rendering is allowed in current context * * @param \Magento\Backend\Block\Widget\Button\Item $item * @return bool */ public function canRender(Button\Item $item) { return !$item->isDeleted(); } }