FabricFamilyTree/test_fixed.html at master · githubyangwei/FabricFamilyTree · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Hello Qunee for HTML5</title>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1">
</head>
<body style="margin: 0px">
<div style="position: absolute; width: 100%; top: 0px; bottom: 0px;" id="canvas"></div>
<script src="http://demo.qunee.com/lib/qunee-min.js"></script>
<script>

    var graph = new Q.Graph('canvas');
    var hello = graph.createNode("Hello", 100, 50);
    hello.image = Q.Graphs.server;
    var qunee = graph.createNode("Qunee", 100, 150);
    var edge = graph.createEdge("Hello\nQunee", hello, qunee);

    var oldLocation;
    graph.interactionDispatcher.addListener(function (evt) {
        var data = evt.data;//当前鼠标点位置的图元
        var datas = evt.datas; //所有拖动的图元
        if (evt.kind == Q.InteractionEvent.ELEMENT_MOVE_START) {
            oldLocation = {};
            datas.forEach(function(data){
                oldLocation[data.id] = {x: data.x, y: data.y};
            })
            return;
        }
        if (evt.kind == Q.InteractionEvent.ELEMENT_MOVING) {
            datas.forEach(function(data){
                if(data instanceof Q.Node){
                    data.y = graph.ty;
                }
            })

            return;
        }
        if (evt.kind == Q.InteractionEvent.ELEMENT_MOVE_END) {
            oldLocation = null;
        }
    })

</script>
</body>
</html>