pr2/layout/SLayout2.php5

<?php

/* ------------------------------------------------------ */
/* SLayout2
/* ------------------------------------------------------ */
/* Author: jwsm@shodor.org
/* Date: 6-4-08
/* Description: This is the most basic layout class. It
/* provides the most basic functionality for assembling
/* a page from a bunch of slots. It does not dictate anything
/* project- or even site-specific.
/* ------------------------------------------------------ */

class SLayout2
{
    protected $parent;

    function __construct ($parent)
    { $this->parent = $parent; }

    public function layout()
    {
        // get the list of metaslots to be built from the page template
        $mslots = $this->parent->getPageTemplate()->getMetaSlotsList();
        $page = $this->parent->getPage();
        $result = true;

        // build all the meta-slots
        foreach($mslots as $ms)
        {
            //for each MS, build the MS, passing in the name of the MS
            // and its default layout, given the active page template
            $result = ($result && ($this->msBuild($page, $ms, $this->parent->getPageTemplate()->getLayoutForMetaSlot($ms)) == ""));

            //add the metaslot to the final page
            $page->appendMetaSlotToPage($ms);
        }

        return $result;
    }

    public function msBuild ($page, $ms, $layout)
    {
        // this method is meant to be overridden
        $this->msBuildDefault($page, $ms, $layout);
    }

    public function msBuildDefault ($page, $ms, $layout)
    {
        switch($ms)
        {
            //case 'Head':
            //  return $this->layoutHead($page, $ms, $layout);
            case 'Head':
                return $this->layoutHead($page, $ms, $layout);
            case 'TopTags':
                return $this->layoutTopTags($page, $ms, $layout);
            case 'BottomTags':
                return $this->layoutBottomTags($page, $ms, $layout);
            case 'StartBodyTags':
                return $this->layoutStartBodyTags($page, $ms, $layout);
            default:
                break;
        }
    }


    /*-----------------------------------------------------*/
    /* Bare Bones MetaSlot Layout Functions
    /* -- The MetaSlots that you'll (almost) *always* need
    /*-----------------------------------------------------*/

    function layoutHead($page, $ms, $dl)
    {

        $title = $page->getSlot('WindowTitle');
        $js = $page->getSlot('ExtraJS');
        $css = $page->getSlot('ExtraCSS');
        $keywords = $page->getSlot('Keywords');
        $extraHeadTags = $page->getSlot('ExtraHeadTags');
        $libHeadTags = $page->getSlot('LibHeadTags');

        $defaultCSSLinks = $page->getSlot('DefaultCSSLinks');
        $customCSSLinks = $page->getSlot('CustomCSSLinks');
        $defaultJSLinks = $page->getSlot('DefaultJSLinks');

        $swatUI = SPath::getFullPath('UI') . '/swat';
        $defUI = SPath::getFullPath('DefaultSkin');
        $localUI = SPath::getFullPath('CustomSkin');
        $projCSS = SPath::getFullPath('ProjectCSS');
        $projJS = SPath::getFullPath('ProjectJS');

        $ssName = "main.css";
        $jsName = "main.js";
        $ssURL = "/css/$ssName";
        $jsURL = "/js/$jsName";

        $localSS = $localJS = "";
        if($defUI != $localUI){
            $localSS =<<<ENDSS

  @import "$localUI$ssURL";
ENDSS;

            if ($this->parent->getOption('useLocalJS')){
                $localJS=<<<ENDJS
<script type="text/javascript" src="$localUI$jsURL"></script>
ENDJS;
            }
        }

        if ($this->parent->getOption('useProjectCSS')){
            $localSS .= <<<ENDSS

  @import "$projCSS/$ssName";
ENDSS;
        }

        if ($this->parent->getOption('useProjectJS')){
            $localJS .=<<<ENDJS

  <script type="text/javascript" src="$projJS/$jsName"></script>
ENDJS;
        }


        $jsLibs = "";

        if ($this->parent->getOption('scriptaculous')){
            $this->parent->setOption('prototype', true);
        }

        if ($this->parent->getOption('swatjs')) {
            $this->parent->setOption('prototype', true);
        }

        if ($this->parent->getOption('prototype')){
            $jsLibs .=<<<END
<script type="text/javascript" src="$defUI/js/prototype/prototype.js"></script>

END;
        }

        if ($this->parent->getOption('scriptaculous')){
            $jsLibs .=<<<END
<script type="text/javascript" src="$defUI/js/scriptaculous/scriptaculous.js"></script>

END;
        }

        if($this->parent->getOption('swatjs')) {
            $ajaxPath = $this->parent->getOption('ajaxPath');
            if(!$ajaxPath) {
                $qpos = strpos($_SERVER['REQUEST_URI'], '?');
                if($qpos !== false)
                    $ajaxPath = substr($_SERVER['REQUEST_URI'], 0, $qpos);
                else
                    $ajaxPath = $_SERVER['REQUEST_URI'];
            }
            $ssPath = SPath::getRelPath('SDRService');
            if($this->parent->getOption('swatHomePaths')) {
                $homePaths = '';
                foreach($GLOBALS['PATH'] as $key => $val)
                    $homePaths .= "'$key': '" . addslashes(htmlspecialchars($val)) ."', ";
                $homePaths = "\n\thomePaths: { " . rtrim($homePaths, ", ") . " },\n";
            }
            else
                $homePaths = '';
            $projPath = SPath::getRelPath('Project');
            $minify = $this->parent->getOption('useMinJS') ? 'true' : 'false';
            $minifyLibs = $this->parent->getOption('useMinLibJS') ? 'true' : 'false';
            $jsLibs .=<<<END_HTML
<script type="text/javascript" src="$swatUI/js/SWAT.js"></script>
<script type="text/javascript">
SWAT.Paths = { $homePaths
    project: '$projJS',
    projectlib: '$projJS/libs',
    ui: '$swatUI/js',
    uilib: '$swatUI/js/libs'
};
SWAT.CssPaths = {
    project: '$projCSS',
    projectlib: '$projCSS/libs',
    ui: '$swatUI/css',
    uilib: '$swatUI/css/libs'
};
SWAT.AjaxPath = '$ajaxPath';
SWAT.ProjectPath = '$projPath';
SWAT.SearchServicePath = '$ssPath';
SWAT.UseMinJS = $minify;
SWAT.UseMinLibJS = $minifyLibs;
</script>
END_HTML;

        }

        $html =<<<END_HTML

<head>
  <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
  <title>$title</title>

  <style type="text/css" media="screen">
  @import "$defUI$ssURL";
  </style>
  $defaultCSSLinks
  <style type="text/css" media="screen">
  $localSS
  </style>

  <meta content="$keywords" />
  <style type="text/css">
  $css
  </style>
  <script type="text/javascript" src="$defUI$jsURL"></script>
  $jsLibs
  $defaultJSLinks
  $localJS
  $libHeadTags
  <script type="text/javascript">
  <!--
  $js

  -->
  </script>
  $extraHeadTags
</head>
END_HTML;
        $page->setMetaSlot('Head', $html);
    }


    public function layoutTopTags ($page, $ms, $layout)
    {
        $commonDir = SConfig::getDefault('common.commonDir');
        $page->setMetaSlot('TopTags', <<<END_TAGS
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<!-- Generated by PageRender2$commonDir, Copyright Shodor -->
END_TAGS
);
    }

    public function layoutStartBodyTags($page, $ms, $layout)
    {
        $barHTML = <<<END_CONTENT
<div class="PR2-MetaSlot-UniversalBar">
    <div class="PR2-UniversalBarLinks">
        <a class="PR2-UniversalBarLink" style="left: 245px;width: 75px;" href='/'></a>
        <a class="PR2-UniversalBarLink" style="left: 325px;width: 75px;" href='/about/'></a>
        <a class="PR2-UniversalBarLink" style="left: 400px;width: 75px;" href='/students/'></a>
        <a class="PR2-UniversalBarLink" style="left: 480px;width: 75px;" href='/parents/'></a>
        <a class="PR2-UniversalBarLink" style="left: 558px;width: 75px;" href='/educators/'></a>
        <a class="PR2-UniversalBarLink" style="left: 635px;width: 133px;" href='/activities/'></a>
    </div>
</div>
END_CONTENT;
        $onload = $page->getSlot('OnLoad');
        $bodyId = $page->getSlot('BodyId');
        if ($bodyId != ""){ $bodyId = "id=\"$bodyId\""; }
        if ($onload != ""){ $onload = "javascript:" . $onload; }
        $showUniversalBar = SConfig::getOption('pr2.showUniversalBar');
        $universalBar = ($showUniversalBar) ? $barHTML : '';

        $page->setMetaSlot('StartBodyTags', <<<END_TAGS

<body $bodyId class="PR2-Body" onload="$onload">
    $universalBar
    <div id="LeftHalf"></div>
    <div id="RightHalf"></div>
    <div class="PR2-PageMargins">
    <div class="PR2-Page">

END_TAGS
);

    }

    public function layoutBottomTags ($page, $ms, $layout)
    {
        $width = $this->parent->getOption('minPageWidth');
        $analytics = $page->getSlot('Analytics');
        $page->setMetaSlot('BottomTags', <<<END_TAGS

</div>
</div>
$analytics
</body>
</html>
END_TAGS
);
    }
}

?>

---