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test.html
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<html>
<head>
<script src="Utilities.js"></script>
<script src="DataImport.js"></script>
<script src="DrawingEngine.js"></script>
<script src="LayoutEngine.js"></script>
<script>
var members;
var url = document.URL.replace("test.html", "family.xml");
</script>
</head>
<body onload="members = layout(url, document.getElementById('tree'), 'I2')">
<div><p><b>Notes</b></p>
<div id="notes" style="float:right; background:#ffd; width:200px;
height:400px; margin: 20px"></div>
</div>
<canvas id="tree" width=600 height=600></canvas>
<script>
var noteElem = document.getElementById("notes");
document.getElementById("tree").onmousemove = function c(e) {
var that = this;
var x;
var y;
if (e.pageX || e.pageY) { x = e.pageX; y = e.pageY; }
else {
x = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
y = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
}
x -= this.offsetLeft;
y -= this.offsetTop;
var note = "";
members.forEach(function(obj) {
if (obj.layoutObject.inBounds(x, y, that.getContext("2d"))) {
if (obj.note) note = obj.note;
}
});
noteElem.innerHTML = note;
};
document.getElementById("tree").onmouseup = function c(e) {
var that = this;
var x;
var y;
if (e.pageX || e.pageY) { x = e.pageX; y = e.pageY; }
else {
x = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
y = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
}
x -= this.offsetLeft;
y -= this.offsetTop;
members.forEach(function(obj) {
if (obj.layoutObject.inBounds(x, y, that.getContext("2d"))) {
if (e.altKey || e.metaKey) { console.log(obj) }
else { members=layout(url, that,obj.id) }
}
});
};
</script>
</body>
</html>