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engl_coursetree.html
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engl_coursetree.html
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<html>
<head>
<meta charset="utf-8">
<script src="lib/bindings/utils.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis-network/9.1.2/dist/dist/vis-network.min.css" integrity="sha512-WgxfT5LWjfszlPHXRmBWHkV2eceiWTOBvrKCNbdgDYTHrT2AeLCGbF4sZlZw3UMN3WtL0tGUoIAKsu8mllg/XA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/vis-network/9.1.2/dist/vis-network.min.js" integrity="sha512-LnvoEWDFrqGHlHmDD2101OrLcbsfkrzoSpvtSQtxK3RMnRV0eOkhhBN2dXHKRrUU8p2DGRTk35n4O8nWSVe1mQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<link href="lib/tom-select/tom-select.css" rel="stylesheet">
<script src="lib/tom-select/tom-select.complete.min.js"></script>
<center>
<h1></h1>
</center>
<!-- <link rel="stylesheet" href="../node_modules/vis/dist/vis.min.css" type="text/css" />
<script type="text/javascript" src="../node_modules/vis/dist/vis.js"> </script>-->
<link
href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta3/dist/css/bootstrap.min.css"
rel="stylesheet"
integrity="sha384-eOJMYsd53ii+scO/bJGFsiCZc+5NDVN2yr8+0RDqr0Ql0h+rP48ckxlpbzKgwra6"
crossorigin="anonymous"
/>
<script
src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta3/dist/js/bootstrap.bundle.min.js"
integrity="sha384-JEW9xMcG8R+pH31jmWH6WWP0WintQrMb4s7ZOdauHnUtxwoG2vI5DkLtS3qm9Ekf"
crossorigin="anonymous"
></script>
<center>
<h1></h1>
</center>
<style type="text/css">
#mynetwork {
width: 100%;
height: 600px;
background-color: #000000;
border: 1px solid lightgray;
position: relative;
float: left;
}
#config {
float: left;
width: 400px;
height: 600px;
}
</style>
</head>
<body>
<div class="card" style="width: 100%">
<div id="select-menu" class="card-header">
<div class="row no-gutters">
<div class="col-10 pb-2">
<select
class="form-select"
aria-label="Default select example"
onchange="selectNode([value]);"
id="select-node"
placeholder="Select node..."
>
<option selected>Select a Node by ID</option>
<option value="ENGL 0999">ENGL 0999</option>
<option value="ENGL 1101">ENGL 1101</option>
<option value="ENGL 1102">ENGL 1102</option>
</select>
</div>
<div class="col-2 pb-2">
<button type="button" class="btn btn-primary btn-block" onclick="neighbourhoodHighlight({nodes: []});">Reset Selection</button>
</div>
</div>
</div>
<div id="filter-menu" class="card-header">
<div class="row no-gutters">
<div class="col-3 pb-2">
<select
class="form-select"
aria-label="Default select example"
onchange="updateFilter(value, 'item')"
id="select-item"
>
<option value="">Select a network item</option>
<option value="edge">edge</option>
<option value="node">node</option>
</select>
</div>
<div class="col-3 pb-2">
<select
class="form-select"
aria-label="Default select example"
onchange="updateFilter(value, 'property')"
id="select-property"
>
<option value="">Select a property...</option>
</select>
</div>
<div class="col-3 pb-2">
<select
class="form-select"
aria-label="Default select example"
id="select-value"
>
<option value="">Select value(s)...</option>
</select>
</div>
<div class="col-1 pb-2">
<button type="button" class="btn btn-primary btn-block" onclick="highlightFilter(filter);">Filter</button>
</div>
<div class="col-2 pb-2">
<button type="button" class="btn btn-primary btn-block" onclick="clearFilter(true)">Reset Selection</button>
</div>
</div>
</div>
<div id="mynetwork" class="card-body"></div>
</div>
<div id="config"></div>
<script type="text/javascript">
// initialize global variables.
var edges;
var nodes;
var allNodes;
var allEdges;
var nodeColors;
var originalNodes;
var network;
var container;
var options, data;
var filter = {
item : '',
property : '',
value : []
};
new TomSelect("#select-node",{
create: false,
sortField: {
field: "text",
direction: "asc"
}
});
// explicitly using onItemAdd and this function as we need to save multiple values
let updateValueFilter = function() {
return function () {
filter['value'].push(arguments[0])
}
}
let valueControl = new TomSelect("#select-value",{
maxItems: null,
valueField: 'id',
labelField: 'title',
searchField: 'title',
create: false,
sortField: {
field: "text",
direction: "asc"
},
onItemAdd: updateValueFilter()
});
let addValues = function() {
return function () {
// clear the current value options and add the selected attribute values
// tom-select handles duplicates
let selectedProperty = arguments[0];
valueControl.clear();
valueControl.clearOptions();
filter['value'] = []
if (filter['item'] === 'node') {
for (let each in allNodes) {
valueControl.addOption({
id:allNodes[each][selectedProperty],
title:allNodes[each][selectedProperty]
})
}
}
else if (filter['item'] === 'edge') {
for (let each in allEdges) {
valueControl.addOption({
id:allEdges[each][selectedProperty],
title:allEdges[each][selectedProperty]
})
}
}
}
};
let propControl = new TomSelect("#select-property",{
valueField: 'id',
labelField: 'title',
searchField: 'title',
create: false,
sortField: {
field: "text",
direction: "asc"
},
onItemAdd: addValues()
});
let addProperties = function() {
return function () {
// loops through the selected network item and adds the attributes to dropdown
// tom-select handles duplicates
clearFilter(false)
if (arguments[0] === 'edge') {
for (let each in allEdges) {
if (allEdges.hasOwnProperty(each)) {
for (let eachProp in allEdges[each]) {
if (allEdges[each].hasOwnProperty(eachProp)) {
propControl.addOption({id: eachProp, title: eachProp})
}
}
}
}
}
else if (arguments[0] === 'node') {
for (let each in allNodes) {
if (allNodes.hasOwnProperty(each)) {
for (let eachProp in allNodes[each]) {
if (allNodes[each].hasOwnProperty(eachProp)
&& (eachProp !== 'hidden' && eachProp !== 'savedLabel'
&& eachProp !== 'hiddenLabel')) {
propControl.addOption({id: eachProp, title: eachProp})
}
}
}
}
}
}
};
let itemControl = new TomSelect("#select-item",{
create: false,
sortField:{
field: "text",
direction: "asc"
},
onItemAdd: addProperties()
});
function clearFilter(reset) {
// utility function to clear all the selected filter options
// if reset is set to true, the existing filter will be removed
// else, only the dropdown options are cleared
propControl.clear();
propControl.clearOptions();
valueControl.clear();
valueControl.clearOptions();
filter = {
item : '',
property : '',
value : []
}
if (reset) {
itemControl.clear();
filterHighlight({nodes: []})
}
}
function updateFilter(value, key) {
// key could be 'item' or 'property' and value is as selected in dropdown
filter[key] = value
}
// This method is responsible for drawing the graph, returns the drawn network
function drawGraph() {
var container = document.getElementById('mynetwork');
// parsing and collecting nodes and edges from the python
nodes = new vis.DataSet([{"color": "#a6cee3", "font": {"color": "#ffffff"}, "id": "ENGL 0999", "label": "ENGL 0999", "shape": "dot", "size": 6.324555320336759, "title": "Support for ENGL 1101"}, {"color": "#a0c3e2", "font": {"color": "#ffffff"}, "id": "ENGL 1101", "label": "ENGL 1101", "shape": "dot", "size": 8.94427190999916, "title": "English Composition I"}, {"color": "#e31a1c", "font": {"color": "#ffffff"}, "id": "ENGL 1102", "label": "ENGL 1102", "shape": "dot", "size": 39.496835316262995, "title": "English Composition II"}]);
edges = new vis.DataSet([{"arrows": "to", "from": "ENGL 1101", "to": "ENGL 1102"}]);
nodeColors = {};
allNodes = nodes.get({ returnType: "Object" });
for (nodeId in allNodes) {
nodeColors[nodeId] = allNodes[nodeId].color;
}
allEdges = edges.get({ returnType: "Object" });
// adding nodes and edges to the graph
data = {nodes: nodes, edges: edges};
var options = {
"configure": {
"enabled": true,
"filter": [
"layout"
]
},
"edges": {
"color": {
"inherit": true
},
"smooth": {
"enabled": true,
"type": "dynamic"
}
},
"interaction": {
"dragNodes": true,
"hideEdgesOnDrag": false,
"hideNodesOnDrag": false
},
"physics": {
"enabled": true,
"stabilization": {
"enabled": true,
"fit": true,
"iterations": 1000,
"onlyDynamicEdges": false,
"updateInterval": 50
}
}
};
// if this network requires displaying the configure window,
// put it in its div
options.configure["container"] = document.getElementById("config");
network = new vis.Network(container, data, options);
network.on("click", neighbourhoodHighlight);
network.on("selectNode", neighbourhoodHighlight);
return network;
}
drawGraph();
</script>
</body>
</html>