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immm.html
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<!DOCTYPE html>
<html lang="en">
<!-- Example coming from the project VIS.JS, http://visjs.org/
of the company ALMENDE in Rotterdam, http://www.almende.com/home
The project IMMM require such tools to manipulate nodes and edges.
-->
<head>
<meta charset="UTF-8">
<title>IMMM</title>
<!-- version "dev" 2017-12-19-B -->
<!-- ===== Required resources -->
<script src="js_lib/jquery-3.2.1.min.js" charset="utf-8"></script>
<script src="js_lib/d3.min.js" charset="utf-8"></script>
<script src="js_lib/vis.js"></script>
<script type="text/javascript" src="js_lib/exampleUtil.js"></script>
<link href="immm.css" rel="stylesheet" type="text/css" />
<!--
<link href="js_lib/vis.css" rel="stylesheet" type="text/css" />
-->
<script>
//"use strict"; //if strict, a problem with AUTHORISATION ???
// ===== Global session information =====
console.log("=========== Start immm.html script ===============================");
var nodes = null;
var edges = null;
var network = null;
//var DB_server = {protocol:"http", host:"localhost", port:"7474", user:"cctos", pass:"neopass", limit:"100"};
var DB_server = {protocol:"http", host:"hobby-bikhkgaajbbfgbkeagpchfpl.dbs.graphenedb.com", port:"24789", user:"immm32", pass:"b.VpYQSs7CRWpf.QTCJmz2Lh0EDrm7q", limit:100};
var defaultNeoRequest = "match (a)-[r]-(b) return a, b, r limit 100";
var currentSelectionNeoRequest = defaultNeoRequest;
var editScreenLocked = false;
var currentNetworkRequest = "";
var visData = {};
// ===== Uses JQuery to post an ajax request on Neo4j REST API =====
function restPost(data) {
var strData = JSON.stringify(data);
console.log("RestPost: strData = ", strData);
return $.ajax({
type: "POST",
beforeSend: function (request) {
if (AUTHORIZATION != undefined) {
request.setRequestHeader("Authorization", AUTHORIZATION);
}
},
url: DB_server.protocol + "://" + DB_server.host + ":" + DB_server.port + "/db/data/transaction/commit",
contentType: "application/json", // attention to ".value "
data: strData
});
}
// ===== Function to call to display a new graph.
function callNeoDB(updateCypher) {
// Create the authorization header for the ajax request.
//DB_server.host = hostinput.value;
var test = updateCypher;
AUTHORIZATION = "Basic " + btoa(DB_server.user + ":" + DB_server.pass);
console.log("AUTHORIZATION = ", AUTHORIZATION);
// Post Cypher query to return node and relations and return results as graph.
restPost({
"statements": [
{
"statement": updateCypher,
"resultDataContents": ["graph"]
}
]
}).done(function (data) {
console.log("=================================================== callNeoDB done: data = ", data);
// Parse results and convert it to vis.js compatible data.
if (!data) {
alert("Error in callNeoDB: no data returned from the Database request");
return;
};
visData = {};
visData = conversionNeoResultsToVis(data); // data here from the Neo point of view
console.log("callNeoDB.done: visData = ", visData);
displayVisJsData(visData);
});
};
function conversionNeoResultsToVis(neoData) {
console.log("========================== conversionNeoResultsToVis initial neoData = ", neoData);
if (!neoData.results[0]) {
console.log("No data from the DB");
return;
};
var currentNodesIdSet = new Set();
var currentEdgesIdSet = new Set();
var nodes = {}, edges = {};
var visNodes = [], visEdges = [];
// === row
neoData.results[0].data.forEach(function (row) {
//console.log("================== neoData.forEach(function (row) row = ", row);
// Warning: initial test version based on the assumption that the id from Neo4j would be reliable
// However in case of a delete Neo4j may reuse any old id
// === nodes
row.graph.nodes.forEach(function (n) {
//console.log("--- row.graph.nodes forEach(n)) n = ", n);
//var visId = n.id;
//console.log(" xxxxxxxxxx currentNodesIdSet = ", currentNodesIdSet, " visId = ", n.id);
//console.log(" currentNodesIdSet.id = ",currentNodesIdSet.id);
if (!currentNodesIdSet.has(n.id)) { // in vis.js a nodes must must be unique
var nodeLabel = n.labels[0]; // test version assuming only one Neo4j label
currentNodesIdSet.add(n.id);
visNode = {id:n.id, // visId = neoId
label:nodeLabel + ": " + n.properties.name, // vis label to be displayed
group:n.labels[0],
// should work for any property as far as known
author:n.properties.author, // group
//[n.properties],
name:n.properties.name,
certainty: n.properties.certainty,
importance: n.properties.importanceValue,
content: n.properties.content,
};
visNodes.push(visNode);
//console.log("------ visNode updated = ", visNode);
};
});
// === edges
//var edgeImportance;
row.graph.relationships.forEach(function (e) {
//console.log("--- row.graph.relationship forEach(e)) e = ", e);
var edgeValue = 0;
if (!currentEdgesIdSet.has(e.id)) { // in vis.js an edge must be unique
currentEdgesIdSet.add(e.id);
if (e.properties.importance){
widthValue = e.properties.importance;
}
else{
widthValue = 1;
}
visEdge = {id: e.id, // visId = neoId
author: e.properties.author,
from: e.startNode, // to be checked
to: e.endNode,
label: e.type,
certainty: e.properties.certainty,
importance: e.properties.importance,
width: widthValue
};
visEdges.push(visEdge);
//console.log("------ visEdge updated = ", visEdge);
};
});
});
visData = {nodes: visNodes, edges: visEdges};
console.log(">>>>>>>>>> conversionNeoResultsToVis visData = ", visData);
return visData;
};
function displayVisJsData(visData) {
var container = document.getElementById('mynetwork');
console.log(">>>>>>>>>>>>>> Start displayVisData data = ", visData);
if (!visData) {
alert("Error : no visData");
return;
};
console.log("Options: begin of initialisations");
//console.log("operation = ", operation);
var options = {
interaction: {hover:true},
manipulation: {
//enabled:true, // no graph at all ?
//initiallyActive:true, // no graph at all ?
addNode: function (visData, callback) {
console.log("addNode, data = ", visData, " callback = ", callback);
// filling in the popup DOM elements
document.getElementById('operation').innerHTML = "Add a Node";
editNode(visData, callback);
},
editNode: function (visData, callback) {
// filling in the popup DOM elements
console.log("editNode, visData = ", visData, " callback = ", callback);
document.getElementById('operation').innerHTML = "Edit-Node";
editNode(visData, callback);
},
addEdge: function (visData, callback) {
console.log("addEdge, visData = "+ visData + " callback = " + callback + " visData.from = " + visData.from + " visData.to = " + visData.to);
if (data.from == data.to) {
var r = confirm("Do you want to connect the node to itself?");
if (r == true) {
editNode(visData, callback);
}
}
else {
document.getElementById('operation').innerHTML = "addEdge";
editNode(visData, callback);
}
}
},
layout: {
improvedLayout: false,
},
nodes: {
shape: 'ellipse',
color: '#DDDDFF'
},
edges: {
arrows: 'to',
chosen: false,
//dashes: [10,100,10,100],
//customSelectionWidth: function (width) {return width*2;},
//, choosen: false
/*
scaling: {
customScalingFunction: function (min,max,total,value) {
return value/total;
},
min:5,
max:150
},
*/
},
groups: {
Patient:{
shape: 'box',
color: '#CCCCFF'
},
Patient_group: {
shape: 'box',
color: '#BBBBEE'
},
Observation: {
shape: 'box',
color: 'yellow'
},
HealthIssue:{
shape: 'ellipse',
color: 'red'
},
Action:{
shape: 'box',
color: '#40ED10'
},
}
};
console.log("options = ", options);
// initialize the network! with visId from the VIS point of view
function destroy() {
if (network !== null) {
network.destroy();
network = null;
}
}
console.log("inMode = ", options.inMode);
var network = new vis.Network(container, visData, options);
// TEST any event but not effect ???
network.on("*", function(event, properties, senderId) {
console.log("TEST any event, event= ", event, " properties = ", properties, "senderId = ", senderId);
});
// temporary view of the content of a node when the mouse fly over this node
network.on("hoverNode", function (params) {
console.log("------- on hovernode, params = ", params);
//var nodeId = params.node; // an array but here assumed to be always of length = 1
//console.log("nodeId = ", nodeId);
//nodeToShow = visData.nodes[nodeId]; // but most often shifted to the next node ??????
//console.log("nodeToShow = ", nodeToShow);
network.selectNodes([params.node],true); // ??????
var nodeId = params.node; // problem with nodeId
//var nodeToShow = visData.nodes[nodeId];
// Note: visData is a map. Ordering in a map is undefined. a filter funtion is needed !
// the filter function called on nodes data will return an array of nodes where node.id === nodeID
// as there will be in principle only one node, first node of the returned array is returned as nodeToShow
var nodeToShow = visData.nodes.filter(function (node) {return node.id === nodeId;})[0];
showNodePopup(nodeToShow);
});
// temporary view of the content of an edge when the mouse fly over this edge
network.on("hoverEdge", function (params) {
console.log("hoverEdge, params = ", params);
network.selectEdges([params.edge],true); // ??
var edgeId = params.edge; // problem with edgeId
// the filter function called on edges data will return an array of edges where edge.id === edgeID
// as there will be in principle only one edge, first edge of the returned array is returned as edgeToShow
var edgeToShow = visData.edges.filter(function (edge) {return edge.id === edgeId;})[0];
showEdgePopup(edgeToShow);
});
network.on("blurNode", function (params) {
var nodeID = params.node;
clearViewPopup();
//TestSelection = network.selection; //
//network.selection = []; // test intended to clear any previous selections
//params.node = [];
});
network.on("blurEdge", function (params) {
var nodeID = params.edge;
clearViewPopup();
//TestSelection = network.selection; //
//network.selection = []; // test intended to clear any previous selections
//params.edge = [];
});
// navigate to nodes in first level relations to the current node
network.on("click", function(params){
if (params.nodes[0]) {
var nodeId = parseInt(params.nodes[0]);
clearViewPopup(); // ??? maybe a problem here since subsequent flyover have no content anymore ???
console.log("On click on a node, nodeId = ", nodeId);
navigate(nodeId) ;
};
if (params.edges[0]) {
console.log("A click on an edge");
};
});
// Create a persitent edit popup, by means of a right mouse click and persitent until saved or cancelled
network.on("oncontext", function(params){ // "context" means here the right mouse button
params.event.preventDefault();
console.log("======================== onContext: params = ", params);
//console.log("visData = ", visData);
if (params.nodes[0] ) {
//var nodeId = parseInt(params.nodes[0]);
var nodeId = params.nodes[0];
console.log(" oncontext: nodeId = ", nodeId, );
//var nodeData = visData.nodes[nodeId]; // Problem: identification errors after navigation
//var nodeData = visData.nodes.filter(function (node) {return node.id === nodeId;})[0];
var nodeToShow = visData.nodes.filter(function (node) {return node.id === nodeId;})[0];
console.log(" oncontext: nodeData = ", nodeToShow);
//var nodeData = data.nodes.filter(function (node) {return node.id === nodeId;})[0];
options.interaction.hover = false; // ??? no effect
if (!editScreenLocked){
editNodePopup(nodeToShow);
//params.node = [];
};
}
else if (params.edges[0]){
// var edgeId = parseInt(params.edges[0]);
var edgeId = params.edges[0];
console.log(" edgeId = ", edgeId);
var edgeToShow = visData.edges.filter(function (edge) {return edge.id === edgeId})[0];
console.log(" edgeToShow = ", edgeToShow);
options.interaction.hover = false; // ??? no effect
if (!editScreenLocked){
editEdgePopup(edgeToShow);
params.edgeId = [];
};
}
else {
console.log("A right click on the backgroud, in order to create a new node");
};
});
network.once("stabilizationIterationsDone", function () { // objective ??? the first time ???
//document.getElementById('text').innerHTML = '100%';
//document.getElementById('bar_div').style.width = '496px';
//document.getElementById('loadingBar_view').style.opacity = 0;
// really clean the dom element
setTimeout(function () {
$("#loadingBar_view").hide();
}, 500);
});
network.on("stabilizationProgress", function (params) { // objective ???
var maxWidth = 496;
//var maxWidth = 800;
var minWidth = 20;
var widthFactor = params.iterations / params.total;
var width = Math.max(minWidth, maxWidth * widthFactor);
//document.getElementById('text').innerHTML = Math.round(widthFactor * 100) + '%';
//document.getElementById('bar_div').style.width = width + 'px';
//document.getElementById('text').innerHTML = '100%';
//document.getElementById('bar_div').style.width = '496px';
//document.getElementById('loadingBar_view').style.opacity = 0;
// really clean the dom element
setTimeout(function () { });
});
}
function showNodePopup(nodeToShow) {
popupContainer = document.getElementById('popup_div');
popupContainer.style.display = "block"; // ?
var htm = '<table>';
for (var key in nodeToShow) {
htm += '<tr><td><i>' + key + ': </i> </td><td>' + nodeToShow[key] + "</td></tr>";}
htm += "</table>";
popupContainer.innerHTML = htm;
}
function showEdgePopup(edgeToShow) {
popupContainer = document.getElementById('popup_div');
popupContainer.style.display = "block"; // ?
var htm = '<table>';
for (var key in edgeToShow) {
htm += '<tr><td><i>' + key + ': </i> </td><td>' + edgeToShow[key] + "</td></tr>";}
htm += "</table>";
popupContainer.innerHTML = htm;
}
function editNodePopup(nodeData) {
clearViewPopup();
editPopupContainer = document.getElementById('edit_popup_div');
editPopupContainer.style.display = "block"; // ?
editScreenLocked = true;
var htm = '<h2>Edit Node:</h2>';
htm += "<table>";
console.log("editNodePopup: nodeData = ", nodeData);
for (var key in nodeData) {
htm += "<tr>";
htm += '<td><i>' + key + ' </i> </td>';
htm += "<td>";
htm += `<input class='node_data' id=${key} name=${key} value='${nodeData[key]}' width='500'/>`;
htm += "</td>";
htm += "</tr>";
};
htm += "</table><br />";
htm += "<button onclick='addNodeRequest()'>Add Node</button>";
htm += " --- <button onclick='addEdgeRequest()'>Add relation</button></br >";
htm += "<button onclick='clearEditPopup()'> Cancel </button>";
htm += " --- <button onclick='saveEditedNode()'> Save</button>";
editPopupContainer.innerHTML = htm;
}
function editNode(data, callback) {
console.log("editNode() data = ", data, " callback = ", callback);
//document.getElementById('node-id').value = data.id;
document.getElementById('node-label').value = data.label;
document.getElementById('saveButton').onclick = saveData.bind(this, data, callback);
document.getElementById('cancelButton').onclick = clearPopUp.bind();
document.getElementById('network-popUp').style.display = 'block';
};
function addNodeRequest () {
console.mog("addNodeRequest");
// ...........................
}
function addEdgeRequest() {
console.log("addEdgeRequest");
//console.log("inMode = ", inMode); // error not defined here
//options.manipulation.enabled = true; // error
//..........................
};
function saveEditedNode() {
//console.log("saveEditNode")
var data = document.getElementsByClassName("node_data"); // provide anHTMLCollection, an iterable but with restrictions
// no map, no for in
//var data = map(document.getElementsByClassName("node_data"));
var currentNodeId = data.id.value;
var neoRequest = "MATCH (n) WHERE id(n)=" + currentNodeId ; // node identification from a Neo4j point of view ?
neoRequest += " SET ";
var i = 1;
var dataFieldName;
var dataValue;
var dataArr = Array.from(data);
for (i; i < dataArr.length; i++) {
if (i > 1) {neoRequest += ", "};
dataFieldName = dataArr[i].attributes.name.value;
dataValue = dataArr[i].value;
console.log("saveEditedNodei = ", i, dataFieldName, " = ", dataValue.toString());
//neoRequest += " SET n." + dataFieldName + " = {" + dataValue + "} ";
//neoRequest += " SET n." + dataFieldName + ' = "' + dataValue + '"';
neoRequest += " n." + dataFieldName + ' = "' + dataValue + '"' ;
};
//neoRequest += " with n " + currentSelectionNeoRequest;
//neoRequest += " WITH n " + currentSelectionNeoRequest;
neoRequest += " WITH n MATCH (n)-[r]-() RETURN n, r";
console.log("neoRequest = ", neoRequest);
clearEditPopup();
editScreenLocked = false;
callNeoDB(neoRequest); // will work, a complete reset of the graph is safe but not efficient !
callNeoDB(currentSelectionNeoRequest) ;
}
function saveEditedEdge() {
console.log("saveEditedEdge")
var edge = document.getElementsByClassName("edge_data"); // provide anHTMLCollection, an iterable but with restrictions
// no map, no for in
var currentEdgeId = edge.id.value;
var neoRequest = "MATCH ()-[r]-() WHERE r.id = " + currentEdgeId ; // node identification from a Neo4j point of view ???
neoRequest += " SET ";
var i = 1;
var edgeArr = Array.from(edge);
for (i; i < edgeArr.length; i++) {
edgeFieldName = edgeArr[i].attributes.name.value;
//edgeValue = edgeArr[i].value;
edgeValue = edgeArr[i].value;
if (i > 1) {neoRequest += ", "};
//console.log("i = ", i, " edgeFieldName = ", edgeValue.toString());
console.log("i = ", i, " edgeFieldName = ", edgeValue);
//neoRequest += " SET r." + edgeFieldName + " = {" + edgeValue + "} ";
//neoRequest += " SET r." + edgeFieldName + ' = "' + edgeValue + '"';
neoRequest += "r." + edgeFieldName + ' = "' + edgeValue + '"';
};
//neoRequest += " with r " + currentSelectionNeoRequest;
//neoRequest += " " + currentSelectionNeoRequest;
//neoRequest += " WITH r MATCH (a)-[r]-() RETURN r, a";
console.log("neoRequest = ", neoRequest);
clearEditPopup();
editScreenLocked = false;
callNeoDB(neoRequest); // will work, a complete reset is safe but not efficient !
callNeoDB(currentSelectionNeoRequest);
}
function editEdgePopup(edgeData) {
clearViewPopup();
editPopupContainer = document.getElementById('edit_popup_div');
editPopupContainer.style.display = "block"; // ?
editScreenLocked = true;
var htm = '<h2>Edit Relations</h2>';
htm += "<table>";
console.log("editEdgePopup: edgeData = ", edgeData);
for (var key in edgeData) {
htm += "<tr>";
htm += '<td><i>' + key + ' </i> </td>';
htm += "<td>";
htm += `<input class='edge_data' id=${key} name=${key} value='${edgeData[key]}' width='500'/>`;
htm += "</td>";
htm += "</tr>";
};
htm += "</table>";
htm += "<br /><button onclick='clearEditPopup()'> Cancel </button>";
htm += " --- <button onclick='saveEditedEdge()'> Save</button>";
//htm += " --- <button onclick= clearEditPopup > Save</button>"; // 'saveEditedEdge()'
editPopupContainer.innerHTML = htm;
}
/*
function editEdge(data, callback){
}
*/
function saveEditedEdge() {
console.log("saveEditedEdge")
var edge = document.getElementsByClassName("edge_data"); // provide anHTMLCollection, an iterable but with restrictions
// no map, no for in
var currentEdgeId = edge.id.value;
var neoRequest = "MATCH (x)-[r]-(y) WHERE id(r) = " + currentEdgeId ;
neoRequest += " SET ";
var i = 1;
var edgeArr = Array.from(edge);
for (i; i < edgeArr.length; i++) {
edgeFieldName = edgeArr[i].attributes.name.value;
//edgeValue = edgeArr[i].value;
edgeValue = edgeArr[i].value;
if (i > 1) {neoRequest += ", "};
//console.log("saveEditEdge i = ", i, " edgeFieldName = ", edgeValue.toString());
console.log("i = ", i, " edgeFieldName = ", edgeValue);
//neoRequest += " SET r." + edgeFieldName + " = {" + edgeValue + "} ";
//neoRequest += " SET r." + edgeFieldName + ' = "' + edgeValue + '"';
neoRequest += "r." + edgeFieldName + ' = "' + edgeValue + '"';
};
neoRequest += " RETURN x, y, r";
console.log("neoRequest = ", neoRequest);
clearEditPopup();
editScreenLocked = false;
callNeoDB(neoRequest); // will work, a complete reset is safe but not efficient !
}
function clearEditPopup(){
console.log("clearEditPopup");
//editPopupContainer.innerHTML = '';
//options.interaction.hover = true; // error unkbnown here
document.getElementById("edit_popup_div").style.display = "none";
editScreenLocked = false;
}
function clearViewPopup(){
//popupContainer.innerHTML = '';
document.getElementById("popup_div").style.display = "none";
}
function navigate(nodeId) {
if (!editScreenLocked) {
console.log("xxxxxx naviguate from nodeId = ", nodeId);
currentSelectionNeoRequest = ' match (a) where id(a)= ' + nodeId + ' WITH a MATCH (a)-[r]-(b) return a, b, r LIMIT 100';
//currentSelectionNeoRequest = ' match (a) where id(a)= ' + nodeId + ' WITH a MATCH (a)-[r]-(b)-[r2]-(b) return a, b, r, r2 LIMIT 100';
// ??? How to see also the links between the (b) ?
// Well working when there is no condition as in the inital request for all
// "match (a)-[r]-(b) return a, b, r limit 100"
// Well working on a temporary user on Graphene using "bolt" access
console.log("currentSelectionNeoRequest = ", currentSelectionNeoRequest);
callNeoDB(currentSelectionNeoRequest);
//displayVisJsData(visData);
}
}
</script>
</head>
<!--<body onload="callNeoDB('match (n),()-[r]-() return n,r limit 100');" style="background-color:#cccccc"> -->
<body onload="callNeoDB(currentSelectionNeoRequest);" style="background-color:#cccccc">
<label>
Test 0.3: Neo4j request: <input id="dbRequest" type="textarea" size="160" value="">
</label>
<label>
<button onclick="callNeoDB(dbRequest.value)">GO</button>
<!--<img id="loading" src="images/ajax-loader.gif"> -->
</label>
<!--
<div id="wrapper_view">
-->
<div id="mynetwork"></div>
<div class="vis-manipulation" style="display:block;">
<div id="popup_div">=== test popup_div</div>
</div>
<div id="edit_popup_div">=== test edit_popup_div </div>
<!--
<div id="loadingBar_view"></div>
<div class="outerBorder">
<div id="text">0%</div>
<div id="border">
<div id="bar_div"></div>
</div>
</div>
-->
<!--
</div>
-->
</body>
</html>