DMMonocleViewer.php

<?php
#
# dmBridge: a data access framework for CONTENTdm(R)
#
# Copyright © 2009, 2010, 2011 Board of Regents of the Nevada System of Higher
# Education, on behalf of the University of Nevada, Las Vegas
#

class DMMonocleViewer extends DMAbstractViewer
implements DMObjectViewerDelegate {

   function viewerWillRender() {
      $root_uri = dirname($_SERVER['PHP_SELF'])
         . "/system/viewers/DMMonocleViewer";

      // build script deploys the minified version
      $dmmonocle_version
      = file_exists(dirname(__FILE__) . "/scripts/dmmonocle.min.js")
         ? "dmmonocle.min.js" : "dmmonocle.js";

      $this->getHelper()->addHeadScriptTag(
            dirname($_SERVER['PHP_SELF']) . "/includes/js/jquery-1.3.2.min.js");
      $this->getHelper()->addBodyScriptTag(
            $root_uri . "/scripts/jquery.event.drag-1.5.min.js");
      $this->getHelper()->addBodyScriptTag(
            $root_uri . "/scripts/jquery-ui-1.7.1.custom.min.js");
      $this->getHelper()->addBodyScriptTag(
            $root_uri . "/scripts/" . $dmmonocle_version);
   }

   public function getHTMLTag() {
      /* an alternative "viewer" for users who do not have javascript
      enabled; will be embedded in a <noscript> tag below. */
      $alt_viewer = new DMGenericImageViewer($this->getObject(),
         $this->getMediaType(), $this->getWidth(), $this->getHeight());

      return sprintf(
         '<div id="dmMonocle" style="width:%spx; height:%spx">
            <noscript>%s</noscript>
         </div>
         <script type="text/javascript">
         $(window).ready(function() {
            dmMonocle(%d, %d, %d, "%s", "%s");
         });
         </script>',
         $this->getWidth(),
         $this->getHeight(),
         $alt_viewer->getHTMLTag(),
         $this->getObject()->getWidth(),
         $this->getObject()->getHeight(),
         $this->getObject()->getPtr(),
         $this->getObject()->getCollection()->getAlias(),
         DMConfigIni::getInstance()->getString("contentdm.getimage_exe.path")
      );
   }

   public function getHTMLTagNoJS() {
      // dmMonocle requires javascript; sorry
      return $this->getHtmlTag();
   }

   public function getName() {
      return "dmMonocle Image Viewer";
   }

}