bludit/bl-plugins/version/plugin.php

<?php

class pluginVersion extends Plugin {

	public function init()
	{
		$this->dbFields = array(
			'showCurrentVersion'=>true,
			'newVersionAlert'=>true
		);
	}

	public function form()
	{
		global $L;

		$html  = '<div class="alert alert-primary" role="alert">';
		$html .= $this->description();
		$html .= '</div>';

		$html .= '<div>';
		$html .= '<label>'.$L->get('Show current version in the sidebar').'</label>';
		$html .= '<select name="showCurrentVersion">';
		$html .= '<option value="true" '.($this->getValue('showCurrentVersion')===true?'selected':'').'>'.$L->get('Enabled').'</option>';
		$html .= '<option value="false" '.($this->getValue('showCurrentVersion')===false?'selected':'').'>'.$L->get('Disabled').'</option>';
		$html .= '</select>';
		$html .= '</div>';

		$html .= '<div>';
		$html .= '<label>'.$L->get('Show alert when there is a new version in the sidebar').'</label>';
		$html .= '<select name="newVersionAlert">';
		$html .= '<option value="true" '.($this->getValue('newVersionAlert')===true?'selected':'').'>'.$L->get('Enabled').'</option>';
		$html .= '<option value="false" '.($this->getValue('newVersionAlert')===false?'selected':'').'>'.$L->get('Disabled').'</option>';
		$html .= '</select>';
		$html .= '</div>';

		return $html;
	}

	public function adminSidebar()
	{
		global $L;
		$html = '';
		if ($this->getValue('showCurrentVersion')) {
			$html = '<a id="current-version" class="nav-link" href="'.HTML_PATH_ADMIN_ROOT.'about'.'">'.$L->get('Version').' '.(defined('BLUDIT_PRO')?'<span class="fa fa-heart" style="color: #ffc107"></span>':'').'<span class="badge badge-warning badge-pill">'.BLUDIT_VERSION.'</span></a>';
		}
		if ($this->getValue('newVersionAlert')) {
			$html .= '<a id="new-version" style="display: none;" target="_blank" href="https://www.bludit.com">'.$L->get('New version available').' <span class="fa fa-bell" style="color: red"></span></a>';
		}
		return $html;
	}

	public function adminBodyEnd()
	{
		if ($this->getValue('newVersionAlert')) {
			// The follow Javascript get via AJAX the information about new versions
			// The script is on /bl-plugins/version/js/version.js
			$jsPath = $this->phpPath() . 'js' . DS;
			$scripts  = '<script>' . file_get_contents($jsPath . 'version.js') . '</script>';
			return $scripts;
		}
		return false;
	}
}