Hi,
I newly subscribed the list because I'm currently developing a RAP
custom widget and I do have some problems with the JavaScript
counterpart of my Java implementation. This question is regarding
qooxdoos property system. I'm sure I missed some important points.
My RAP widget passes an int[] named "pixel" to qooxdoo and the property
system automatically call "setX" and "setY" to set the members from
incoming int[] as below:
properties : {
x : {
apply : "_drawPixel",
init : null
},
y : {
apply : "_drawPixel",
init : null
},
pixel : {
check : "Array",
group : [ "x", "y" ]
}
},
members : {
_drawPixel : function(value, old) {
// draw a pixel at [x,y]
},
...
}
My question is: how can I ensure a single or atomic setter for grouped
properties? If I want to draw a point at [x,y] how can I ensure that the
_drawPixel method is called only once. Better said: is called only when
property x AND y is initialized? Is there something like?
pixel : {
check : "Array",
group : [ "x", "y" ],
apply : "_drawPixel"
}
Any help is appreciated. Kindest regards, Lars
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