benchmark/creation/delegates_item_empty_jscreation.qml


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

import QtQuick 2.0

Item {
    id: root;
    property int count: 50;
    property int staticCount: 5000;

    property var items;
    property real t;
    NumberAnimation on t { from: 0; to: 1; duration: 1000; loops: Animation.Infinite }
    onTChanged: {
        allocate();
    }

    Component {
        id: component;
        Item {
        }
    }

    function allocate() {

        if (items && items.length) {
            for (var i=0; i<items.length; ++i)
                items[i].destroy();
        }
        items = [];

        for (var i=0; i<root.count; ++i) {
            var object = component.createObject(root);
            items.push(object);
        }
    }
}