<?php
/**
 * The Menu control is used to display the menu tabs in Vanilla.
 *
 * Copyright 2003 Mark O'Sullivan
 * This file is part of Lussumo's Software Library.
 * Lussumo's Software Library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 * Lussumo's Software Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along with Vanilla; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * The latest source code is available at www.vanilla1forums.com
 * Contact Mark O'Sullivan at mark [at] lussumo [dot] com
 *
 * @author Mark O'Sullivan
 * @copyright 2003 Mark O'Sullivan
 * @license http://www.gnu.org/licenses/gpl-2.0.html GPL 2
 * @package Vanilla
 */


/**
 * The Menu control handles building the main menu.
 * @package Vanilla
 */
class Menu extends Control {
	var $Tabs;				// Tab collection
	var $CurrentTab;		// The current tab

	function AddTab($Text, $Value, $Url, $Attributes = '', $Position = '0', $ForcePosition = '0') {
		$this->AddItemToCollection($this->Tabs, array('Text' => $Text, 'Value' => $Value, 'Url' => $Url, 'Attributes' => $Attributes), $Position, $ForcePosition);
	}

	function ClearTabs() {
		$this->Tabs = array();
	}

	function Menu(&$Context) {
		$this->Name = 'Menu';
		$this->Control($Context);
		$this->ClearTabs();
	}

	function RemoveTab($TabUrl) {
		reset($this->Tabs);
		while (list($Key, $Tab) = each($this->Tabs)) {
			if ($Tab['Url'] == $TabUrl) unset ($this->Tabs[$Key]);
		}
	}

	function Render() {
		// First sort the tabs by key
		ksort($this->Tabs);
		// Now write the Menu
		$this->CallDelegate('PreRender');
		include(ThemeFilePath($this->Context->Configuration, 'menu.php'));
		$this->CallDelegate('PostRender');
	}

	function TabClass($CurrentTab, $ComparisonTab, $CssClass = '') {
		if ($CssClass == '') $CssClass = 'TabOn';
		return ($CurrentTab == $ComparisonTab) ? ' class="'.$CssClass.'"' : '';
	}
}
?>