examples/declarative/dynamic/dynamic.js


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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

var dynamicObject = null;
var fourthBox = null;
var component = null;
var started = false;
function createQml(p) {
    return createQmlObject('DynRect {}',p,'DynPart.qml');
}

function destroyDynamicObject() {
    if(!(dynamicObject==null)){
        dynamicObject.destroy();
        dynamicObject = null;
    }
}

function instantCreateWithComponent() {//Like create, but assumes instant readyness
    if(dynamicObject!=null)//Already made
        return null;
    component = createComponent("dynamic.qml");
    dynamicObject = component.createObject();
    if(dynamicObject == null){
        print("error creating component");
    }else{
        dynamicObject.parent = targetItem;
        return dynamicObject;
    }
    return null;
}

function finishCreation(){
    if(component.isReady && dynamicObject == null){
        dynamicObject = component.createObject();
        dynamicObject.parent = targetItem;
    }else if(component.isError){
        dynamicObject = null;
        print("error creating component");
        print(component.errorsString());
    }
}

function createWithComponent(){
    if(component!=null){
        return finishCreation();
    }
    if(started!=false){
        finishCreation();//Remakes if destroyed
        return dynamicObject;
    }
    started = true;
    component = createComponent("dynamic.qml");
    finishCreation();
    if(dynamicObject != null){
        return dynamicObject;
    }
    component.statusChanged.connect(finishCreation);
    return null;
}