Panning
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="../build/ogma.min.js"></script>
<style>
body, html { width: 100%; height: 100%; text-align: center; margin: 0; }
#graph-container {
width: 50%;
height: 50%;
margin: auto;
overflow: hidden;
display: block;
position: relative;
top: 25%;
border: 1px solid #444444;
}
</style>
</head>
<body>
<div id="graph-container"></div>
<script>
'use strict';
var ogma = new Ogma({
container: 'graph-container',
options: { interactions: { zoom: { onDoubleClick: true }}}
});
ogma.events.onNodeDragStart(function (eventData) {
console.log('start', eventData);
// console.log('Starting drag nodes ' +
// eventData.nodes.getId().join() +
// ' at (' + eventData.x + ', ' + eventData.y + ')');
});
ogma.events.onNodeDragProgress(function (eventData) {
console.log('progress', eventData);
// console.log('Dragging node ' + eventData.node.getId() +
// ' to (' + eventData.x + ', ' + eventData.y + ')');
});
ogma.events.onNodeDragEnd(function (eventData) {
console.log('end', eventData);
// console.log('Ending drag node ' + eventData.node.getId() +
// ' at (' + eventData.x + ', ' + eventData.y + ')');
});
// Generate a random graph and assign it to Ogma.
ogma.generate.random({nodes: 15, edges: 30}).then(function(g) {
ogma.setGraph(g);
ogma.view.locateGraph();
});
</script>
</body>
</html>
