Source for file LCssDropDownMenuNode.php

<?php
 
 
/**
 * TCssDropDownMenuNode class file
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the BSD License.
 *
 * Copyright(c) 2004 by Scott Fuelberth.
 *
 * To contact the author write to {@link mailto:skot@bastardcat.org Scott Fuelberth}
 * The latest version of PRADO can be obtained from:
 * {@link http://prado.sourceforge.net/}
 *
 * =================================================
 * NOTICE: This is an pre-alpha version for PRADO v3
 * author: Tobias Munk <webmaster@lithron.de>
 * =================================================
 *
 * @author Scott Fuelberth <skot@bastardcat.org>
 * @version $Revision: 188 $  $Date: 2006-05-11 10:50:16 +0200 (Do, 11 Mai 2006) $
 * @package Lithron.LCssDropDownMenu
 * @subpackage WebControls
 */
 
/**
 * TCssDropDownMenuNode class
 *
 * TCssDropDownMenuNode displays a css driven menu item. You can set the link through the
 * through the <b>LinkUrl</b> property. You can set the Text displayed for the item through the <b>Text</b> property.
 * You can set the roles that are allowed to access the item through the <b>Roles</b> property.
 *
 * Example: <code><com:TCssDropDownMenuNode ID="ViewUsers" LinkUrl="?page=ViewUsersPage"
 * Text="View Users" Roles="root,admin" BorderColor="green" BorderStyle="solid" BorderWidth="1" BackColor="white"/></code>
 *
 * Namespace: Lithron.Web.UI.WebControls
 *
 * Properties
 * - <b>LinkUrl</b>, string, kept in viewstate
 *   <br/>Set the link for the item.
 * - <b>Text</b>, string, kept in viewstate
 *   <br/>Set the text for the item.
 * - <b>Roles</b>, string, kept in viewstate
 *   <br/>The user roles allowed to view the item.
 *
 * @package System.Web.UI.WebControls
 */
class LCssDropDownMenuNode extends TWebControl
{
 
    /**
     * top parent flag
     * @var boolean 
     */
    private $isTopParent= false;
 
    /**
     * top parent css class name
     * @var string 
     */
    private $topParentNodeCssClass= '';
 
    /**
     * parent node css class name
     * @var string 
     */
    private $parentNodeCssClass= '';
 
    /**
     * node css class name
     * @var string 
     */
    private $nodeCssClass= '';
 
    /**
     * disabled node css class name
     * @var string 
     */
    private $disabledNodeCssClass= '';
 
    private $_tagName;
 
    protected function getTagName()
    {
        return $this->_tagName;
    }
 
    function setTagName($value)
    {
        $this->_tagName= $value;
    }
 
    /**
     * Constructor.
     * Sets TagName property to 'li'
     */
    function __construct()
    {
        parent :: __construct();
        $this->setTagName('li');
    }
 
    /**
     * @return string the Roles allowd to view this element
     */
    public function getRoles()
    {
        return $this->getViewState('Roles', '');
    }
 
    /**
     * @param string the Roles allowed to view this element
     */
    public function setRoles($value)
    {
        $this->setViewState('Roles', $value, '');
    }
 
    /**
     * @return string the LinkUrl of the node
     */
    public function getLinkUrl()
    {
        return $this->getViewState('LinkUrl', '');
    }
 
    /**
     * @param string the LinkUrl of the node
     */
    public function setLinkUrl($value)
    {
        $this->setViewState('LinkUrl', $value, '');
    }
    /**
     * @return string the LinkId of the node (service)
     */
    public function getLinkId()
    {
        return $this->getViewState('LinkId', '');
    }
 
    /**
     * @param string the LinkId of the node (service)
     */
    public function setLinkId($value)
    {
        $this->setViewState('LinkId', $value, '');
    }
 
    /**
     * @return string the Text of the node
     */
    public function getText()
    {
        return $this->getViewState('Text', '');
    }
 
    /**
     * @param string the Text of the node
     */
    public function setText($value)
    {
        $this->setViewState('Text', $value, '');
    }
 
    /**
     * @return string the link Target
     */
    public function getTarget()
    {
        return $this->getViewState('Target', '');
    }
 
    /**
     * @param string the link target
     */
    public function setTarget($value)
    {
        $this->setViewState('Target', $value, '');
    }
 
    /**
     * @return bool top parent flag
     */
    public function isTopParent()
    {
        return $this->isTopParent;
    }
 
    /**
     * @param bool the top parent flag
     */
    public function setTopParent($value)
    {
        $this->isTopParent= $value;
    }
 
    /**
     *  @return string the top parent css class
     */
    public function getTopParentNodeCssClass()
    {
        return $this->topParentNodeCssClass;
    }
 
    /**
     * #param string the top parent css class
     */
    public function setTopParentNodeCssClass($value)
    {
        $this->topParentNodeCssClass= $value;
    }
 
    /**
     * @return string the parent css class
     */
    public function getParentNodeCssClass()
    {
        return $this->parentNodeCssClass;
    }
 
    /**
     * @param string the parent css class
     */
    public function setParentNodeCssClass($value)
    {
        $this->parentNodeCssClass= $value;
    }
 
    /**
     * @param string the node css class
     */
    public function setNodeCssClass($value)
    {
        $this->nodeCssClass= $value;
    }
 
    /**
     * @return string the node css class
     */
    public function getNodeCssClass()
    {
        return $this->nodeCssClass;
    }
 
    /**
     * @param string the node css class
     */
    public function setDisabledNodeCssClass($value)
    {
        $this->disabledNodeCssClass= $value;
    }
 
    /**
     * @return string the node css class
     */
    public function getDisabledNodeCssClass()
    {
        return $this->disabledNodeCssClass;
    }
 
    /**
     * @param sets selected status
     */
    public function setSelectedPath($value)
    {
        $this->setViewState("SelectedPath", $value);
        if ($this->Parent instanceof LCssDropDownMenuNode)
        {
            #echo "parent";
            $this->Parent->setSelectedPath($value);
        }
    }
 
    /**
     * @return gets selected status
     */
    public function getSelectedPath()
    {
        return $this->getViewState("SelectedPath");
    }
 
    /**
     * Renders the menu.
     * Will go through all TCssDropDownMenuNode children and render them
     * at the correct place.
     * @return void 
     */
    public function renderContents($writer)
    {
 
        $user= $this->getPage()->getUser();
        if (!is_null($user))
        {
            if (!$user->isInRole($this->getRoles()))
            {
                #return null; TEMP HACK - TODO
                //return $content;
            }
        }
 
        if ($this->getEnabled())
        {
            if ($this->isTopParent())
            {
                $cssClass= $this->getTopParentNodeCssClass();
            }
            elseif ($this->getControls()->getCount())
            {
                $cssClass= $this->getParentNodeCssClass();
                $cssClass .= $this->getNodeCssClass() . "parent"; // TODO
            }
            else
            {
                $cssClass= $this->getNodeCssClass();
            }
        }
        else
        {
            $this->setLinkUrl(false);
            $cssClass= $this->getDisabledNodeCssClass();
        }
 
        $style= $this->getStyle();
        if (($width= $this->getWidth()) > 0)
            $style['width']= $width . 'px';
        if (($height= $this->getHeight()) > 0)
            $style['height']= $height . 'px';
        $foreColor= $this->getForeColor();
        if (strlen($foreColor))
            $style['color']= $foreColor;
        $s= '';
        if (count($style) > 0)
        {
            foreach ($style as $k => $v)
                $s .= "$k:$v;";
        }
 
        if ($s == null || $s == "")
        {
            $styleString= "";
        }
        else
        {
            $styleString= 'style="' . $s . '"';
        }
 
        #TODO -------------------------------------
        $_id= $this->getLinkId();
        #$_id = 22;
        if (empty ($_id))
        {
            $_p= $_url= $this->getLinkUrl();
            preg_match("/=(.*)&?/", $_url, $match);
            if (isset ($match[0]))
            {
                $_p= str_replace("=", "", $match[0]);
                $_p= str_replace(strstr($_p, "&"), "", $_p);
            }
            $link= $this->Service->constructUrl($_p);
        }
        else
            $link= $this->Service->constructUrl($_id);
 
        $page= $this->Service->constructUrl($this->Service->getServicePage());
        #echo $link . "<hr>" . $page;
        if ($link == $page)
        {
            $cssClass= $cssClass . " selected";
            $this->setSelectedPath(true);
        }
        if ($this->getSelectedPath() === true)
        {
            $cssClass= $cssClass . " selectedPath"; # TODO does not work, we are already in render :( FIXME
        }
 
        if ($cssClass == null || $cssClass == "")
        {
            $cssString= '';
        }
        else
        {
            $cssString= 'class="' . $cssClass . '"';
        }
 
        if (strlen($this->getLinkUrl()))
        {
            if (strlen($this->getTarget()))
            {
 
                $link= '<a href="' . $this->getLinkUrl() . '" ' . $styleString . ' ' . $cssString . ' target="' . $this->getTarget() . '" >' . $this->getText() . '</a>';
            }
            else
            {
                $link= '<a href="' . $this->getLinkUrl() . '" ' . $styleString . ' ' . $cssString . ' >' . $this->getText() . '</a>';
            }
        }
        else
        {
            $link= '<span ' . $styleString . ' ' . $cssString . ' >' . $this->getText() . '</span>';
        }
        $writer->write($link);
 
        $body= $this->getControls()->getCount();
        if ($body)
        {
            $writer->renderBeginTag('ul');
            foreach ($this->getControls() as $item)
            {
                if ($item instanceof LCssDropDownMenuNode)
                {
 
                    $item->setTopParent(false);
                    $item->setTopParentNodeCssClass($this->getTopParentNodeCssClass());
                    $item->setParentNodeCssClass($this->getParentNodeCssClass());
                    $item->setNodeCssClass($this->getNodeCssClass());
                    $item->setDisabledNodeCssClass($this->getDisabledNodeCssClass());
                    if ($item->getVisible())
                    {
                        $item->render($writer);
                    }
                }
            }
            $writer->renderEndTag('ul');
        }
        #Prado :: trace("Returning node children content", 'Lithron.LCssDrownDownMenu');
    }
}
?>