<?php

class pluginCategories extends Plugin
{

	public function init()
	{
		// Fields and default values for the database of this plugin
		$this->dbFields = array(
			'label' => 'Categories',
			'hideCero' => true
		);
	}

	// Method called on the settings of the plugin on the admin area
	public function form()
	{
		global $L;

		$html = '<div>';
		$html .= '<label>' . $L->get('Label') . '</label>';
		$html .= '<input name="label" type="text" dir="auto" value="' . $this->getValue('label') . '">';
		$html .= '<span class="tip">' . $L->get('This title is almost always used in the sidebar of the site') . '</span>';
		$html .= '</div>';

		$html .= '<div>';
		$html .= '<label>' . $L->get('Hide Categories without content') . '</label>';
		$html .= '<select name="hideCero">';
		$html .= '<option value="true" ' . ($this->getValue('hideCero') === true ? 'selected' : '') . '>' . $L->get('Enabled') . '</option>';
		$html .= '<option value="false" ' . ($this->getValue('hideCero') === false ? 'selected' : '') . '>' . $L->get('Disabled') . '</option>';
		$html .= '</select>';
		$html .= '</div>';

		return $html;
	}

	// Method called on the sidebar of the website
	public function siteSidebar()
	{
		global $L;
		global $categories;

		// HTML for sidebar
		$html  = '<div class="plugin plugin-categories">';
		$html .= '<h2 class="plugin-label">' . $this->getValue('label') . '</h2>';
		$html .= '<div class="plugin-content">';
		$html .= '<ul>';

		// By default the database of categories are alphanumeric sorted
		foreach ($categories->db as $key => $fields) {
			$count = count($fields['list']);
			if (!$this->getValue('hideCero') || $count > 0) {
				$html .= '<li>';
				$html .= '<a href="' . DOMAIN_CATEGORIES . $key . '">';
				$html .= $fields['name'];
				$html .= ' (' . count($fields['list']) . ')';
				$html .= '</a>';
				$html .= '</li>';
			}
		}

		$html .= '</ul>';
		$html .= '</div>';
		$html .= '</div>';

		return $html;
	}
}
