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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('$counter', counter); | |
50 | |
51 // Process the template | |
52 jstProcess(processingContext, templateToProcess); | |
53 | |
54 // Clear the element to which we'll attach the processed template: | |
55 peg.innerHTML = ''; | |
56 | |
57 // Attach the template: | |
58 domAppendChild(peg, templateToProcess); | |
59 } | |
60 | |
61 // Function called by onclick to record state of closedness and | |
62 // refresh the outline display | |
63 function setClosed(jstdata, closedVal) { | |
64 jstdata.closed = closedVal; | |
65 loadAll(); | |
66 } | |
67 </script> | |
68 <link rel="stylesheet" type="text/css" href="css/maps2.deb.css"/> | |
69 </head> | |
70 <body onload="loadAll()"> | |
71 | |
72 <!-- | |
73 This is the div to which the instantiated template will be attached. | |
74 --> | |
75 <div id="peg"></div> | |
76 <div id="titleCountPeg"></div> | |
77 <!-- | |
78 A container to hide our template: | |
79 --> | |
80 <div style="display:none"> | |
81 <!-- | |
82 This is the template div. It will be copied and attached to the div above with: | |
83 var apt = jstGetTemplate('apt'); | |
84 appendChild(panel, apt) | |
85 --> | |
86 <div id="tpl"> | |
87 <!-- | |
88 Links to open and close outline sections: | |
89 --> | |
90 <a href="#" jsdisplay="closed" | |
91 jsvalues=".jstdata:$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> | |
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