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File size: 6,311 Bytes
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function neighbourhoodHighlight(params) {
// console.log("in nieghbourhoodhighlight");
allNodes = nodes.get({ returnType: "Object" });
// originalNodes = JSON.parse(JSON.stringify(allNodes));
// if something is selected:
if (params.nodes.length > 0) {
highlightActive = true;
var i, j;
var selectedNode = params.nodes[0];
var degrees = 2;
// mark all nodes as hard to read.
for (let nodeId in allNodes) {
// nodeColors[nodeId] = allNodes[nodeId].color;
allNodes[nodeId].color = "rgba(200,200,200,0.5)";
if (allNodes[nodeId].hiddenLabel === undefined) {
allNodes[nodeId].hiddenLabel = allNodes[nodeId].label;
allNodes[nodeId].label = undefined;
}
}
var connectedNodes = network.getConnectedNodes(selectedNode);
var allConnectedNodes = [];
// get the second degree nodes
for (i = 1; i < degrees; i++) {
for (j = 0; j < connectedNodes.length; j++) {
allConnectedNodes = allConnectedNodes.concat(
network.getConnectedNodes(connectedNodes[j])
);
}
}
// all second degree nodes get a different color and their label back
for (i = 0; i < allConnectedNodes.length; i++) {
// allNodes[allConnectedNodes[i]].color = "pink";
allNodes[allConnectedNodes[i]].color = "rgba(150,150,150,0.75)";
if (allNodes[allConnectedNodes[i]].hiddenLabel !== undefined) {
allNodes[allConnectedNodes[i]].label =
allNodes[allConnectedNodes[i]].hiddenLabel;
allNodes[allConnectedNodes[i]].hiddenLabel = undefined;
}
}
// all first degree nodes get their own color and their label back
for (i = 0; i < connectedNodes.length; i++) {
// allNodes[connectedNodes[i]].color = undefined;
allNodes[connectedNodes[i]].color = nodeColors[connectedNodes[i]];
if (allNodes[connectedNodes[i]].hiddenLabel !== undefined) {
allNodes[connectedNodes[i]].label =
allNodes[connectedNodes[i]].hiddenLabel;
allNodes[connectedNodes[i]].hiddenLabel = undefined;
}
}
// the main node gets its own color and its label back.
// allNodes[selectedNode].color = undefined;
allNodes[selectedNode].color = nodeColors[selectedNode];
if (allNodes[selectedNode].hiddenLabel !== undefined) {
allNodes[selectedNode].label = allNodes[selectedNode].hiddenLabel;
allNodes[selectedNode].hiddenLabel = undefined;
}
} else if (highlightActive === true) {
// console.log("highlightActive was true");
// reset all nodes
for (let nodeId in allNodes) {
// allNodes[nodeId].color = "purple";
allNodes[nodeId].color = nodeColors[nodeId];
// delete allNodes[nodeId].color;
if (allNodes[nodeId].hiddenLabel !== undefined) {
allNodes[nodeId].label = allNodes[nodeId].hiddenLabel;
allNodes[nodeId].hiddenLabel = undefined;
}
}
highlightActive = false;
}
// transform the object into an array
var updateArray = [];
if (params.nodes.length > 0) {
for (let nodeId in allNodes) {
if (allNodes.hasOwnProperty(nodeId)) {
// console.log(allNodes[nodeId]);
updateArray.push(allNodes[nodeId]);
}
}
nodes.update(updateArray);
} else {
// console.log("Nothing was selected");
for (let nodeId in allNodes) {
if (allNodes.hasOwnProperty(nodeId)) {
// console.log(allNodes[nodeId]);
// allNodes[nodeId].color = {};
updateArray.push(allNodes[nodeId]);
}
}
nodes.update(updateArray);
}
}
function filterHighlight(params) {
allNodes = nodes.get({ returnType: "Object" });
// if something is selected:
if (params.nodes.length > 0) {
filterActive = true;
let selectedNodes = params.nodes;
// hiding all nodes and saving the label
for (let nodeId in allNodes) {
allNodes[nodeId].hidden = true;
if (allNodes[nodeId].savedLabel === undefined) {
allNodes[nodeId].savedLabel = allNodes[nodeId].label;
allNodes[nodeId].label = undefined;
}
}
for (let i=0; i < selectedNodes.length; i++) {
allNodes[selectedNodes[i]].hidden = false;
if (allNodes[selectedNodes[i]].savedLabel !== undefined) {
allNodes[selectedNodes[i]].label = allNodes[selectedNodes[i]].savedLabel;
allNodes[selectedNodes[i]].savedLabel = undefined;
}
}
} else if (filterActive === true) {
// reset all nodes
for (let nodeId in allNodes) {
allNodes[nodeId].hidden = false;
if (allNodes[nodeId].savedLabel !== undefined) {
allNodes[nodeId].label = allNodes[nodeId].savedLabel;
allNodes[nodeId].savedLabel = undefined;
}
}
filterActive = false;
}
// transform the object into an array
var updateArray = [];
if (params.nodes.length > 0) {
for (let nodeId in allNodes) {
if (allNodes.hasOwnProperty(nodeId)) {
updateArray.push(allNodes[nodeId]);
}
}
nodes.update(updateArray);
} else {
for (let nodeId in allNodes) {
if (allNodes.hasOwnProperty(nodeId)) {
updateArray.push(allNodes[nodeId]);
}
}
nodes.update(updateArray);
}
}
function selectNode(nodes) {
network.selectNodes(nodes);
neighbourhoodHighlight({ nodes: nodes });
return nodes;
}
function selectNodes(nodes) {
network.selectNodes(nodes);
filterHighlight({nodes: nodes});
return nodes;
}
function highlightFilter(filter) {
let selectedNodes = []
let selectedProp = filter['property']
if (filter['item'] === 'node') {
let allNodes = nodes.get({ returnType: "Object" });
for (let nodeId in allNodes) {
if (allNodes[nodeId][selectedProp] && filter['value'].includes((allNodes[nodeId][selectedProp]).toString())) {
selectedNodes.push(nodeId)
}
}
}
else if (filter['item'] === 'edge'){
let allEdges = edges.get({returnType: 'object'});
// check if the selected property exists for selected edge and select the nodes connected to the edge
for (let edge in allEdges) {
if (allEdges[edge][selectedProp] && filter['value'].includes((allEdges[edge][selectedProp]).toString())) {
selectedNodes.push(allEdges[edge]['from'])
selectedNodes.push(allEdges[edge]['to'])
}
}
}
selectNodes(selectedNodes)
} |