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demo-undoable.html
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<!DOCTYPE>
<html>
<head>
<title>cytoscape-view-utilities.js demo</title>
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
<script src="https://unpkg.com/cytoscape/dist/cytoscape.min.js"></script>
<!-- for testing with local version of cytoscape.js -->
<!--<script src="../cytoscape.js/build/cytoscape.js"></script>-->
<script src="https://unpkg.com/layout-base/layout-base.js"></script>
<script src="https://unpkg.com/cose-base/cose-base.js"></script>
<script src="https://unpkg.com/cytoscape-cose-bilkent/cytoscape-cose-bilkent.js"></script>
<script src="https://unpkg.com/cytoscape-undo-redo/cytoscape-undo-redo.js"></script>
<script src="https://unpkg.com/geometric@2.2.3/build/geometric.min.js"></script>
<script src="cytoscape-view-utilities.js"></script>
<style>
body {
font-family: helvetica neue, helvetica, liberation sans, arial, sans-serif;
font-size: 14px;
}
#cy {
width: 75%;
height: 100%;
left: 26%;
top: 0%;
float: left;
overflow: hidden;
position: fixed;
}
.topnav {
width: 25%;
background-color: #e9e9e9;
font-weight: bold;
border-color: black;
border-style: solid;
font-size: 16;
padding: 10;
}
.topnav b:hover
{
background-color:white;
}
/* Customize the label (the container) */
.topnav .container {
position: relative;
padding: 14px;
cursor: pointer;
font-size: 15px;
left: 5px;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
/* Hide the browser's default radio button */
.topnav .container input {
position: absolute;
opacity: 0;
cursor: pointer;
height: 0;
width: 0;
}
/* Create a custom radio button */
.topnav .checkmark {
position: absolute;
top: 17px;
left: 0;
right: 0px;
height: 12px;
width: 12px;
margin-right: 20px;
background-color: #000000;
border-radius: 50%;
}
/* On mouse-over, add a grey background color */
.container:hover input ~ .checkmark {
background-color: #000000;
}
/* When the radio button is checked, add a blue background */
.container input:checked ~ .checkmark {
background-color: #000;
}
/* Create the indicator (the dot/circle - hidden when not checked) */
.checkmark:after {
content: "";
position: absolute;
display: none;
}
/* Show the indicator (dot/circle) when checked */
.container input:checked ~ .checkmark:after {
display: block;
}
/* Style the indicator (dot/circle) */
.container .checkmark:after {
position: absolute;
top: 3px;
left: 3px;
width: 6px;
height: 6px;
border-radius: 50%;
background: white;
}
.m-1{
margin: 1px;
padding: 2px;
}
</style>
<script>
document.addEventListener("DOMContentLoaded", function(){
var cy = window.cy = cytoscape({
container: document.getElementById('cy'),
layout: { name: "cose-bilkent" },
style: [
{
selector: 'node',
style: {
'content': 'data(name)',
'border-color': 'grey',
'border-width': 3,
'background-color': 'lightgrey'
}
},
{
selector: 'edge',
style: {
'curve-style' : 'straight',
'target-arrow-shape': 'triangle'
}
},
{
selector: 'edge:selected',
style: {
'line-color': 'black',
'source-arrow-color': 'black',
'target-arrow-color': 'black',
}
},
{
selector: 'node:selected',
style: {
'border-color': 'black',
'border-width': '3px',
'background-color': 'lightgrey'
}
},
{
selector: 'node:parent',
style: {
'background-color': 'lightgrey'
}
}
],
wheelSensitivity: 0.2,
elements: {
nodes: [
{ data: { id: 'n1', name: 'n1' } },
{ data: { id: 'n2', name: 'n2' } },
{ data: { id: 'n3', name: 'n3' } },
{ data: { id: 'n4', name: 'n4' } },
{ data: { id: 'n5', name: 'n5' } },
{ data: { id: 'n6', name: 'n6' } },
{ data: { id: 'n7', name: 'n7' } },
{ data: { id: 'n8', name: 'n8' } },
{ data: { id: 'n9', name: 'n9' } },
{ data: { id: 'n10', name: 'n10' } },
{ data: { id: 'n11', name: 'n11' } },
{ data: { id: 'n12', name: 'n12' } },
{ data: { id: 'n13', name: 'n13' } },
{ data: { id: 'n14', name: 'n14' } },
{ data: { id: 'n15', name: 'n15' } },
{ data: { id: 'n16', name: 'n16' } },
{ data: { id: 'n17', name: 'n17' } },
],
edges: [
{ data: { source: "n1", target: "n2" } },
{ data: { source: 'n1', target: 'n3' } },
{ data: { source: 'n2', target: 'n3' } },
{ data: { source: "n3", target: "n4" } },
{ data: { source: "n4", target: "n5" } },
{ data: { source: 'n3', target: 'n6' } },
{ data: { source: 'n2', target: 'n7' } },
{ data: { source: "n3", target: "n7" } },
{ data: { source: "n5", target: "n6" } },
{ data: { source: 'n6', target: 'n7' } },
{ data: { source: 'n6', target: 'n8' } },
{ data: { source: "n8", target: "n9" } },
{ data: { source: "n8", target: "n10" } },
{ data: { source: "n8", target: "n11" } },
{ data: { source: "n9", target: "n11" } },
{ data: { source: 'n11', target: 'n12' } },
{ data: { source: 'n11', target: 'n13' } },
{ data: { source: "n11", target: "n14" } },
{ data: { source: "n13", target: "n15" } },
{ data: { source: 'n13', target: 'n16' } },
{ data: { source: 'n15', target: 'n16' } },
{ data: { source: "n15", target: "n17" } }
]
}
});
var api = cy.viewUtilities({
highlightStyles: [
{ node: { 'border-color': '#0b9bcd', 'border-width': 3 }, edge: {'line-color': '#0b9bcd', 'source-arrow-color': '#0b9bcd', 'target-arrow-color': '#0b9bcd', 'width' : 3} },
{ node: { 'border-color': '#04f06a', 'border-width': 3 }, edge: {'line-color': '#04f06a', 'source-arrow-color': '#04f06a', 'target-arrow-color': '#04f06a', 'width' : 3} },
{ node: { 'border-color': '#f5e663', 'border-width': 3 }, edge: {'line-color': '#f5e663', 'source-arrow-color': '#f5e663', 'target-arrow-color': '#f5e663', 'width' : 3} },
{ node: { 'border-color': '#bf0603', 'border-width': 3 }, edge: {'line-color': '#bf0603', 'source-arrow-color': '#bf0603', 'target-arrow-color': '#bf0603', 'width' : 3} },
],
selectStyles: {
node: {'border-color': 'black', 'border-width': 3, 'background-color': 'lightgrey'},
edge: {'line-color': 'black', 'source-arrow-color': 'black', 'target-arrow-color': 'black', 'width' : 3}
},
setVisibilityOnHide: false, // whether to set visibility on hide/show
setDisplayOnHide: true, // whether to set display on hide/show
zoomAnimationDuration: 1500, //default duration for zoom animation speed
neighbor: function(ele){
if (ele.isNode()) {
return ele.closedNeighborhood();
}
else if (ele.isEdge()) {
return ele.source().closedNeighborhood().union(ele.target().closedNeighborhood());
}
},
neighborSelectTime: 1000
});
var ur = cy.undoRedo();
var layout = cy.layout({
name: 'cose-bilkent',
randomize: false,
fit: false
});
function thickenBorder(eles){
eles.forEach(function( ele ){
ele.css("background-color", 'purple');
});
eles.data("thickBorder", true);
return eles;
}
// Decrease border width when hidden neighbors of the nodes become visible
function thinBorder(eles){
eles.forEach(function( ele ){
ele.css("background-color", 'lightgrey');
});
eles.removeData("thickBorder");
return eles;
}
function getButtonsToDef(){
document.getElementById("marqueeZoom").style.backgroundColor = "#11ffee00";
document.getElementById("lassoTool").style.backgroundColor = "#11ffee00";
}
ur.action("thickenBorder", thickenBorder, thinBorder);
ur.action("thinBorder", thinBorder, thickenBorder);
//In below functions, finding the nodes to hide/show are sample specific.
//If the sample graph changes, those calculations may also need a change.
document.getElementById("hide").addEventListener("click", function () {
api.disableMarqueeZoom();
api.disableLassoMode();
getButtonsToDef();
var actions = [];
var nodesToHide = cy.$(":selected").add(cy.$(":selected").nodes().descendants());
var nodesWithHiddenNeighbor = cy.edges(":hidden").connectedNodes().intersection(nodesToHide);
actions.push({name: "thinBorder", param: nodesWithHiddenNeighbor});
actions.push({name: "hide", param: nodesToHide});
nodesWithHiddenNeighbor = nodesToHide.neighborhood(":visible")
.nodes().difference(nodesToHide).difference(cy.nodes("[thickBorder]"));
actions.push({name: "thickenBorder", param: nodesWithHiddenNeighbor});
cy.undoRedo().do("batch", actions);
if(document.getElementById('layout').checked){
layout.run();
}
});
document.getElementById("showAll").addEventListener("click", function () {
api.disableMarqueeZoom();
api.disableLassoMode();
getButtonsToDef();
var actions = [];
var nodesWithHiddenNeighbor = cy.nodes("[thickBorder]");
actions.push({name: "thinBorder", param: nodesWithHiddenNeighbor});
actions.push({name: "show", param: cy.elements()});
ur.do("batch", actions);
if(document.getElementById('layout').checked){
layout.run();
}
});
document.getElementById("showHiddenNeighbors").addEventListener("click", function () {
/*
var hiddenEles = cy.$(":selected").neighborhood().filter(':hidden');
var actions = [];
var nodesWithHiddenNeighbor = (hiddenEles.neighborhood(":visible").nodes("[thickBorder]"))
.difference(cy.edges(":hidden").difference(hiddenEles.edges().union(hiddenEles.nodes().connectedEdges())).connectedNodes());
actions.push({name: "thinBorder", param: nodesWithHiddenNeighbor});
actions.push({name: "show", param: hiddenEles.union(hiddenEles.parent())});
nodesWithHiddenNeighbor = hiddenEles.nodes().edgesWith(cy.nodes(":hidden").difference(hiddenEles.nodes()))
.connectedNodes().intersection(hiddenEles.nodes());
actions.push({name: "thickenBorder", param: nodesWithHiddenNeighbor});*/
api.disableMarqueeZoom();
api.disableLassoMode();
getButtonsToDef();
var hiddenEles = cy.$(":selected").neighborhood().filter(':hidden');
var selectedNodes = cy.nodes(":selected");
var nodesWithHiddenNeighbor = (hiddenEles.neighborhood(":visible").nodes("[thickBorder]"))
.difference(cy.edges(":hidden").difference(hiddenEles.edges().union(hiddenEles.nodes().connectedEdges())).connectedNodes());
var actions = [];
actions.push({name: "thinBorder", param: nodesWithHiddenNeighbor});
actions.push({name: "showHiddenNeighbors", param: selectedNodes});
nodesWithHiddenNeighbor = hiddenEles.nodes().edgesWith(cy.nodes(":hidden").difference(hiddenEles.nodes()))
.connectedNodes().intersection(hiddenEles.nodes());
actions.push({name: "thickenBorder", param: nodesWithHiddenNeighbor});
cy.undoRedo().do("batch", actions);
if(document.getElementById('layout').checked){
layout.run();
}
});
document.getElementById("zoomToSelected").addEventListener("click", function () {
api.disableMarqueeZoom();
api.disableLassoMode();
getButtonsToDef();
var selectedEles = cy.$(":selected");
api.zoomToSelected(selectedEles);
if(document.getElementById('layout').checked){
layout.run();
}
});
document.getElementById("marqueeZoom").addEventListener("click", function () {
api.disableLassoMode();
getButtonsToDef();
document.getElementById("marqueeZoom").style.backgroundColor = "darkgray";
var callbackFunc = function() {
document.getElementById("marqueeZoom").style.backgroundColor = "#11ffee00";
};
api.enableMarqueeZoom(callbackFunc);
});
api.changeLassoStyle({lineColor: "#d67614",lineWidth: 3});
document.getElementById('colorInpSec').value = "#d67614";
document.getElementById('lineWidth').value = 3;
document.getElementById("lassoTool").addEventListener("click", function () {
api.disableMarqueeZoom();
getButtonsToDef();
document.getElementById("lassoTool").style.backgroundColor = "darkgray";
var callbackFunc = function() {
document.getElementById("lassoTool").style.backgroundColor = "#11ffee00";
};
api.enableLassoMode(callbackFunc);
});
var tappedBefore;
cy.on('tap', 'node', function (event) {
var node = this;
var tappedNow = node;
setTimeout(function () {
tappedBefore = null;
}, 300);
if (tappedBefore && tappedBefore.id() === tappedNow.id()) {
tappedNow.trigger('doubleTap');
tappedBefore = null;
} else {
tappedBefore = tappedNow;
}
});
cy.on('doubleTap', 'node', function (event) {
api.disableMarqueeZoom();
api.disableLassoMode();
getButtonsToDef();
var hiddenEles = cy.$(":selected").neighborhood().filter(':hidden');
var selectedNodes = cy.nodes(":selected");
var nodesWithHiddenNeighbor = (hiddenEles.neighborhood(":visible").nodes("[thickBorder]")).difference(cy.edges(":hidden").difference(hiddenEles.edges().union(hiddenEles.nodes().connectedEdges())).connectedNodes());
var actions = [];
actions.push({name: "thinBorder", param: nodesWithHiddenNeighbor});
actions.push({name: "showHiddenNeighbors", param: selectedNodes});
nodesWithHiddenNeighbor = hiddenEles.nodes().edgesWith(cy.nodes(":hidden").difference(hiddenEles.nodes()))
.connectedNodes().intersection(hiddenEles.nodes());
actions.push({name: "thickenBorder", param: nodesWithHiddenNeighbor});
cy.undoRedo().do("batch", actions);
/* var hiddenEles = cy.$(":selected").neighborhood().filter(':hidden');
var actions = [];
var nodesWithHiddenNeighbor = (hiddenEles.neighborhood(":visible").nodes("[thickBorder]"))
.difference(cy.edges(":hidden").difference(hiddenEles.edges().union(hiddenEles.nodes().connectedEdges())).connectedNodes());
actions.push({name: "thinBorder", param: nodesWithHiddenNeighbor});
actions.push({name: "show", param: hiddenEles.union(hiddenEles.parent())});
nodesWithHiddenNeighbor = hiddenEles.nodes().edgesWith(cy.nodes(":hidden").difference(hiddenEles.nodes()))
.connectedNodes().intersection(hiddenEles.nodes());
actions.push({name: "thickenBorder", param: nodesWithHiddenNeighbor});
cy.undoRedo().do("batch", actions); */
});
document.getElementById("highlightNeighbors").addEventListener("click", function () {
if (cy.$(":selected").length > 0) {
ur.do("highlightNeighbors", { eles: cy.$(":selected"), idx: document.getElementById('highlightColors').selectedIndex });
}
});
document.getElementById("highlightElements").addEventListener("click", function () {
if (cy.$(":selected").length > 0) {
ur.do("highlight", { eles: cy.$(":selected"), idx: document.getElementById('highlightColors').selectedIndex });
}
});
document.getElementById("removeSelectedHighlights").addEventListener("click", function () {
if(cy.$(":selected").length > 0)
ur.do("removeHighlights", {eles: cy.$(":selected")});
});
document.getElementById("removeAllHighlights").addEventListener("click", function () {
ur.do("removeHighlights");
});
document.getElementById('highlightColors').addEventListener('change', function(e) {
document.getElementById('colorInp').value = e.target.value;
});
document.getElementById('colorInpSec').addEventListener('change', function(e) {
api.changeLassoStyle({lineColor:document.getElementById('colorInpSec').value});
});
document.getElementById("lineWidth").addEventListener('change', function(e) {
api.changeLassoStyle({lineWidth:document.getElementById("lineWidth").value});
});
document.getElementById('colorChangerBtn').addEventListener('click', function () {
let color = document.getElementById('colorInp').value;
var idx = document.getElementById('highlightColors').selectedIndex;
let nodeStyle = { 'border-color': color, 'border-width': 3 };
let edgeStyle = {'line-color': color, 'source-arrow-color': color, 'target-arrow-color': color, 'width' : 3}
api.changeHighlightStyle(idx, nodeStyle, edgeStyle);
var opt = document.getElementById('highlightColors').options[idx];
opt.value = color;
opt.text = color;
});
document.getElementById('addColorBtn').addEventListener('click', function() {
let color = getRandomColor();
let nodeStyle = { 'border-color': color, 'border-width': 3 };
let edgeStyle = {'line-color': color, 'source-arrow-color': color, 'target-arrow-color': color, 'width' : 3}
api.addHighlightStyle(nodeStyle, edgeStyle);
addHighlightColorOptions();
document.getElementById('highlightColors').selectedIndex = api.getHighlightStyles().length - 1;
document.getElementById('colorInp').value = color;
});
addHighlightColorOptions();
var s = api.getHighlightStyles()[0];
if (s) {
document.getElementById('colorInp').value = s.node['border-color'];
}
function addHighlightColorOptions() {
var colors = api.getHighlightStyles().map(x => x.node['border-color']);
document.getElementById('highlightColors').innerHTML = '';
for (var i = 0; i < colors.length; i++) {
var o = document.createElement('option');
o.text = colors[i];
o.value = colors[i];
if (i == 0) {
o.selected = 'selected';
}
document.getElementById('highlightColors').appendChild(o);
}
}
function getRandomColor() {
const letters = '0123456789ABCDEF';
let color = '#';
for (let i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
document.addEventListener("keydown", function (e) {
if (e.ctrlKey){
if (e.which === 90)
ur.undo();
else if (e.which === 89)
ur.redo();
}
});
});
</script>
</head>
<body>
<h1>cytoscape.js-view-utilities demo undoable</h1>
<div class="topnav">
<b id="hide" style="cursor: pointer; color: darkmagenta">Hide Selected</b> / <b id="showAll" style="cursor: pointer; color: darkmagenta">Show All</b> <br/><br/>
<b>Highlight Color:</b>
<div class="m-1">
<select id="highlightColors">
</select>
<input type="color" id="colorInp">
<button id="colorChangerBtn">Update Color</button>
<button id="addColorBtn">Add Color</button>
</div>
<br/>
<b id="highlightElements" style="cursor: pointer; color: darkmagenta">Highlight Selected</b> <br/><br/>
<b id="highlightNeighbors" style="cursor: pointer; color: darkmagenta">Highlight Neighbors</b><br/><br/>
<b id="showHiddenNeighbors" style="cursor: pointer; color: darkmagenta">Show Hidden Neighbors of Selected</b> <br/><br/>
<b id="removeSelectedHighlights" style="cursor: pointer; color: darkmagenta">Remove Selected Highlights</b> <br/><br/>
<b id="removeAllHighlights" style="cursor: pointer; color: darkmagenta">Remove All Highlights</b> <br/><br/>
<b id="zoomToSelected" style="cursor: pointer; color: darkmagenta">Zoom to Selected</b><br/><br/>
<b id="marqueeZoom" style="cursor: pointer; color: darkmagenta">Marquee Zoom</b>
<br/>
<span style="font-weight: normal !important; font-size: 14px !important;">Shift + drag to specify region; gets disabled after zoom, mouse events on canvas and other api functions calls.</span>
<br/><br/>
<b id="lassoTool" style="cursor: pointer; color: darkmagenta">Lasso Tool</b>
<br/>
<span style="font-weight: normal !important; font-size: 14px !important;">Left click to start specifying region; left click again to complete the region.</span>
<br/>
<span style="font-weight: normal !important; font-size: 14px !important;">Line width (between 1 and 10) and Color:</span>
<input type="number" id="lineWidth" min="1" max="10">
<input type="color" id="colorInpSec"><br/><br/>
<label for="layout" style="vertical-align:middle;">Rearrange on Hide/Show</label>
<input type="checkbox" id="layout" name="layout" style="vertical-align:middle;" value="checked">
<br/><br/>
<span style="font-weight: normal !important; font-size: 14px !important;">CTRL+Z to undo, CTRL+Y to redo</span>
<br/><br/>
<span style="font-weight: normal !important; font-size: 14px !important;">Shift + taphold to select neighbors</span>
</div>
<div id="cy"></div>
</body>
</html>