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demo.html
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<!DOCTYPE HTML>
<html>
<head>
<title>cytoscape-context-menus.js demo</title>
<meta content="text/html;charset=utf-8" http-equiv="Content-Type">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
<link href="cytoscape-context-menus.css" rel="stylesheet" type="text/css" />
<!-- for testing with local version of cytoscape.js -->
<!--<script src="../cytoscape.js/build/cytoscape.js"></script>-->
<script src="https://unpkg.com/cytoscape/dist/cytoscape.min.js"></script>
<script src="cytoscape-context-menus.js"></script>
<style>
body {
font-family: helvetica neue, helvetica, liberation sans, arial, sans-serif;
font-size: 14px;
}
#cy {
position: absolute;
left: 0;
top: 0;
bottom: 0;
right: 0;
z-index: 999;
}
h1 {
opacity: 0.5;
font-size: 1em;
font-weight: bold;
}
</style>
<script>
document.addEventListener('DOMContentLoaded', function () {
var cy = window.cy = cytoscape({
container: document.getElementById('cy'),
style: [
{
selector: 'node',
style: {
'content': 'data(name)',
'background-color': "rgb(153,153,153)"
}
},
{
selector: 'edge',
style: {
'target-arrow-shape': 'triangle'
}
},
{
selector: ':selected',
style: {
"border-width": 2,
"border-color": "rgb(1,105,217)"
}
}
],
layout: {
name: 'breadthfirst'
},
elements: {
nodes: [
{data: {id: 'j', name: 'Jerry'}},
{data: {id: 'e', name: 'Elaine'}},
{data: {id: 'k', name: 'Kramer'}},
{data: {id: 'g', name: 'George'}}
],
edges: [
{data: {source: 'j', target: 'e'}},
{data: {source: 'j', target: 'k'}},
{data: {source: 'j', target: 'g'}},
{data: {source: 'e', target: 'k'}},
{data: {source: 'k', target: 'g'}},
]
},
}).on('cxttap', function(event) {
if (allSelected('node')) {
contextMenu.hideMenuItem('select-all-nodes');
contextMenu.showMenuItem('unselect-all-nodes');
}
else {
contextMenu.hideMenuItem('unselect-all-nodes');
contextMenu.showMenuItem('select-all-nodes');
}
if (allSelected('edge')) {
contextMenu.hideMenuItem('select-all-edges');
contextMenu.showMenuItem('unselect-all-edges');
}
else {
contextMenu.hideMenuItem('unselect-all-edges');
contextMenu.showMenuItem('select-all-edges');
}
});
var allSelected = function (type) {
if (type == 'node') {
return cy.nodes().length == cy.nodes(':selected').length;
}
else if (type == 'edge') {
return cy.edges().length == cy.edges(':selected').length;
}
return false;
}
var selectAllOfTheSameType = function (type) {
if (type == 'node') {
cy.nodes().select();
} else if (type == 'edge') {
cy.edges().select();
}
};
var unselectAllOfTheSameType = function (type) {
if (type == 'node') {
cy.nodes().unselect();
;
} else if (type == 'edge') {
cy.edges().unselect();
}
};
// demo your core ext
var contextMenu = cy.contextMenus({
menuItems: [
{
id: 'remove',
content: 'remove',
tooltipText: 'remove',
image: {src: "assets/remove.svg", width: 12, height: 12, x: 6, y: 4},
selector: 'node, edge',
onClickFunction: function (event) {
var target = event.target || event.cyTarget;
removed = target.remove();
contextMenu.showMenuItem('undo-last-remove');
},
hasTrailingDivider: true
},
{
id: 'undo-last-remove',
content: 'undo last remove',
selector: 'node, edge',
show: false,
coreAsWell: true,
onClickFunction: function (event) {
if (removed) {
removed.restore();
}
contextMenu.hideMenuItem('undo-last-remove');
},
hasTrailingDivider: true
},
{
id: 'color',
content: 'change color',
tooltipText: 'change color',
selector: 'node',
hasTrailingDivider: true,
submenu: [
{
id: 'color-blue',
content: 'blue',
tooltipText: 'blue',
onClickFunction: function (event) {
let target = event.target || event.cyTarget;
target.style('background-color', 'blue');
},
submenu: [
{
id: 'color-light-blue',
content: 'light blue',
tooltipText: 'light blue',
onClickFunction: function (event) {
let target = event.target || event.cyTarget;
target.style('background-color', 'lightblue');
},
},
{
id: 'color-dark-blue',
content: 'dark blue',
tooltipText: 'dark blue',
onClickFunction: function (event) {
let target = event.target || event.cyTarget;
target.style('background-color', 'darkblue');
},
},
],
},
{
id: 'color-green',
content: 'green',
tooltipText: 'green',
onClickFunction: function (event) {
let target = event.target || event.cyTarget;
target.style('background-color', 'green');
},
},
{
id: 'color-red',
content: 'red',
tooltipText: 'red',
onClickFunction: function (event) {
let target = event.target || event.cyTarget;
target.style('background-color', 'red');
},
},
]
},
{
id: 'add-node',
content: 'add node',
tooltipText: 'add node',
image: {src: "assets/add.svg", width: 12, height: 12, x: 6, y: 4},
coreAsWell: true,
onClickFunction: function (event) {
var data = {
group: 'nodes'
};
var pos = event.position || event.cyPosition;
cy.add({
data: data,
position: {
x: pos.x,
y: pos.y
}
});
}
},
{
id: 'select-all-nodes',
content: 'select all nodes',
selector: 'node',
coreAsWell: true,
show: true,
onClickFunction: function (event) {
selectAllOfTheSameType('node');
contextMenu.hideMenuItem('select-all-nodes');
contextMenu.showMenuItem('unselect-all-nodes');
}
},
{
id: 'unselect-all-nodes',
content: 'unselect all nodes',
selector: 'node',
coreAsWell: true,
show: false,
onClickFunction: function (event) {
unselectAllOfTheSameType('node');
contextMenu.showMenuItem('select-all-nodes');
contextMenu.hideMenuItem('unselect-all-nodes');
}
},
{
id: 'select-all-edges',
content: 'select all edges',
selector: 'edge',
coreAsWell: true,
show: true,
onClickFunction: function (event) {
selectAllOfTheSameType('edge');
contextMenu.hideMenuItem('select-all-edges');
contextMenu.showMenuItem('unselect-all-edges');
}
},
{
id: 'unselect-all-edges',
content: 'unselect all edges',
selector: 'edge',
coreAsWell: true,
show: false,
onClickFunction: function (event) {
unselectAllOfTheSameType('edge');
contextMenu.showMenuItem('select-all-edges');
contextMenu.hideMenuItem('unselect-all-edges');
}
}
]
});
});
</script>
</head>
<body>
<h1>cytoscape-context-menus demo</h1>
<div id="cy"></div>
</body>
</html>