<%inherit file="main.html" />
<%namespace name='static' file='static_content.html'/>
<%block name="title">
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>${course.number} Textbook</title>
</%block>

<%block name="headextra">
<%static:css group='course'/>
<%static:js group='courseware'/>
    <link rel="stylesheet" href="/static/css/pdfviewer.css"/>
    <script type="text/javascript" src="/static/js/vendor/pdfjs/pdf.js"></script>
    <script type="text/javascript" src="/static/js/pdfviewer.js"></script> 
</%block>

<%block name="js_extra">
  <script type="text/javascript">

    $(document).ready(function() {
        var options = {};
        %if 'url' in textbook:
            options.url = "${textbook['url']}";
        %endif
        %if 'chapters' in textbook:
            var chptrs = [];
            %for chap in textbook['chapters']:
                chptrs.push("${chap['url']}");
            %endfor
            options.chapters = chptrs;
        %endif
        %if chapter is not None:
            options.chapterNum = ${chapter};
        %endif
        %if page is not None:
            options.pageNum = ${page};
        %endif
    
        $('#outerContainer').PDFViewer(options);
    });
  </script>  
</%block>

<%include file="/courseware/course_navigation.html" args="active_page='pdftextbook/{0}'.format(book_index)" />

    <div id="outerContainer">
      <div id="mainContainer" class="book-wrapper">

        <div class="toolbar">
          <div id="toolbarContainer">
            <div id="toolbarViewer">
              <div id="toolbarViewerLeft">
                <label id="pageNumberLabel" class="toolbarLabel" for="pageNumber">Page: </label>
                <input type="number" id="pageNumber" class="toolbarField pageNumber" value="1" size="4" min="1" tabindex="7">
                </input>
                <span id="numPages" class="toolbarLabel"></span>
              </div>

              <div class="outerCenter">
                <div class="innerCenter" id="toolbarViewerMiddle">
                  <div class="splitToolbarButton">
                    <button class="toolbarButton zoomOut" id="zoom_out" title="Zoom Out" tabindex="8">
                      <span>Zoom Out</span>
                    </button>
                    <div class="splitToolbarButtonSeparator"></div>
                    <button class="toolbarButton zoomIn" id="zoom_in" title="Zoom In" tabindex="9">
                      <span>Zoom In</span>
                     </button>
                  </div>
                  <span id="scaleSelectContainer" class="dropdownToolbarButton">
                     <select id="scaleSelect" title="Zoom" oncontextmenu="return false;" tabindex="10">
<!--
                      <option id="pageAutoOption" value="auto" selected="selected">Automatic Zoom</option>
                      <option id="pageActualOption" value="page-actual">Actual Size</option>
                      <option id="pageFitOption" value="page-fit">Fit Page</option>
                      <option id="pageWidthOption" value="page-width">Full Width</option>
-->
                      <option id="customScaleOption" value="custom"></option>
                      <option value="0.5">50%</option>
                      <option value="0.75">75%</option>
                      <option value="1">100%</option>
                      <option value="1.25">125%</option>
                      <option value="1.5">150%</option>
                      <option value="2">200%</option>
                    </select>
                  </span>
                </div>
              </div>
            </div>
          </div>
        </div>

        %if 'chapters' in textbook:
	<section aria-label="Textbook Navigation" class="book-sidebar">
	  <ul id="booknav" class="treeview-booknav">
	      <%def name="print_entry(entry, index_value)">
		  <li id="pdfchapter-${index_value}">
		    <a class="chapter">
		      ${entry.get('title')}
		    </a>
		  </li>
	      </%def>

	      % for (index, entry) in enumerate(textbook['chapters']):
		${print_entry(entry, index+1)}
	      % endfor
	  </ul>
	</section>
        %endif

        <section id="viewerContainer" class="book">
	  <section class="page">
	    <!-- use same page-turning as used in image-based textbooks -->
            <nav>
              <ul>
                <li class="last">
                  <a id="previous">Previous page</a>
                </li>
                <li class="next">
                  <a id="next">Next page</a>
                </li>
              </ul>
            </nav>
            <div id="viewer" contextmenu="viewerContextMenu"></div>
          </section>
        </section>

      </div> <!-- mainContainer -->

    </div> <!-- outerContainer -->
