1<html> 2<head><title>Outline Tree Using Jstemplates</title> 3 <script src="../util.js" type="text/javascript"></script> 4 <script src="../jsevalcontext.js" type="text/javascript"></script> 5 <script src="../jstemplate.js" type="text/javascript"></script> 6 <script type="text/javascript"> 7 // Hierarchical data: 8 var tplData = 9 { title: "Jstemplates", items: [ 10 { title: "", items: [ 11 { title: "The Jstemplates Module"}, 12 { title: "Javascript Data"}, 13 { title: "Template HTML"}, 14 { title: "Processing Templates with Javascript Statements"} 15 ] 16 }, 17 { title: "Template Processing Instructions", items: [ 18 { title: "Processing Environment" }, 19 { title: "", items: [ 20 {title: "jscontent"}, {title: "jsselect"}, {title: "jsdisplay"}, 21 {title: "transclude"},{title: "jsvalues"}, {title: "jsskip"}, {title: "jseval"} 22 ]} 23 ]} 24 ]}; 25 26 var PEG_NAME = 'peg'; 27 var TEMPLATE_NAME = 'tpl'; 28 var TITLE_COUNT_NAME = 'titleCountPeg'; 29 var TITLE_TEMPLATE_NAME = 'titleCountTpl'; 30 31 // Called by the body onload handler: 32 function loadAll() { 33 var titleCountElement = domGetElementById(document, TITLE_COUNT_NAME); 34 var pegElement = domGetElementById(document, PEG_NAME); 35 var counter = {full: 0, empty: 0}; 36 37 loadData(pegElement, TEMPLATE_NAME, tplData, counter); 38 loadData(titleCountElement, TITLE_TEMPLATE_NAME, tplData, counter); 39 } 40 41 42 function loadData(peg, templateId, data, counter) { 43 // Get a copy of the template: 44 var templateToProcess = jstGetTemplate(templateId); 45 46 // Wrap our data in a context object: 47 var processingContext = new JsEvalContext(data); 48 49 processingContext.setVariable('$counter', counter); 50 51 // Process the template 52 jstProcess(processingContext, templateToProcess); 53 54 // Clear the element to which we'll attach the processed template: 55 peg.innerHTML = ''; 56 57 // Attach the template: 58 domAppendChild(peg, templateToProcess); 59 } 60 61 // Function called by onclick to record state of closedness and 62 // refresh the outline display 63 function setClosed(jstdata, closedVal) { 64 jstdata.closed = closedVal; 65 loadAll(); 66 } 67 </script> 68 <link rel="stylesheet" type="text/css" href="css/maps2.deb.css"/> 69</head> 70<body onload="loadAll()"> 71 72<!-- 73This is the div to which the instantiated template will be attached. 74--> 75<div id="peg"></div> 76<div id="titleCountPeg"></div> 77<!-- 78A container to hide our template: 79--> 80<div style="display:none"> 81<!-- 82This is the template div. It will be copied and attached to the div above with: 83 var apt = jstGetTemplate('apt'); 84 appendChild(panel, apt) 85--> 86 <div id="tpl"> 87 <!-- 88 Links to open and close outline sections: 89 --> 90 <a href="#" jsdisplay="closed" 91 jsvalues=".jstdata:$this" 92 onclick="setClosed(this.jstdata,0)">[Open]</a> 93 94 <a href="#" jsdisplay="!closed && items.length" 95 jsvalues=".jstdata:$this" 96 onclick="setClosed(this.jstdata,1)">[Close]</a> 97 98 <span jscontent="title" 99 jseval="title? $counter.full++: $counter.empty++"> 100 Outline heading 101 </span> 102 <ul jsdisplay="items.length && !closed"> 103 <li jsselect="items"> 104 <!--Recursive tranclusion: --> 105 <div transclude="tpl"></div> 106 </li> 107 </ul> 108 </div> 109 110 <div id="titleCountTpl"> 111 <p> 112 This outline has <span jscontent="$counter.empty"></span> empty titles 113 and <span jscontent="$counter.full"></span> titles with content. 114 </p> 115 </div> 116</div> 117</body> 118</html> 119