Hey,
just check out the following API doc:
http://demo.qooxdoo.org/current/apiviewer/#qx.data.marshal.IMarshalerDelegate~getModelClass
We also have a section about that in the manual as well:
http://manual.qooxdoo.org/current/pages/data_binding/models.html#how-to-get-my-own-code-into-the-model
There is even a demo which shows something similar:
http://demo.qooxdoo.org/devel/demobrowser/index.html#data~OwnCodeInModel.html
Regards,
Martin
Am 29.07.2013 um 17:37 schrieb Stefan Freundel
<[email protected]<mailto:[email protected]>>:
Hi Martin,
thanks for the quick reply. Unfortunately, I still have a lack of understanding.
I've tried to create a custom model for the JSON file but the qooxdoo
documentation
does not provide a hint how to do it. I'm totally lost ... It seems the
information, I'm
looking for is available but I don't know how to access it.
test container model ({$$hash:"177-0", $$user_name:"Test Suites",
$$user_children:{$$hash:"433-0", __nD:[{$$hash:"434-0", $$user_name:"Customer",
$$user_children:{$$hash:"435-0", __nD:[{$$hash:"436-0", $$user_name:"ESC10",
$$user_option:"-X0 -Xsize-opt", $$user_desc:"Test description contains details
regarding the purpose of the test",
__cK:{'idBubble-435-0':["changeBubble|bubble|899"]}}, {$$hash:"437-0",
$$user_name:"ESP03", $$user_option:"-X0 -Xsize-opt", $$user_desc:"Test
description contains details regarding the purpose of the test",
__cK:{'idBubble-435-0':["changeBubble|bubble|900"]}}, {$$hash:"438-0",
$$user_name:"Star 2", $$user_option:"-X0 -Xsize-opt", $$user_desc:"Test
description contains details regarding the purpose of the test",
__cK:{'idBubble-435-0':["changeBubble|bubble|901"]}}], length:3,
$$user_autoDisposeItems:true,
__cK:{'idBubble-434-0':["changeBubble|bubble|902"]}},
__cK:{'idBubble-433-0':["changeBubble|bubble|903"], 'idBubble-439-0':null,
'idBubble-202-0':["changeBubble|bubble|908"]}}], length:1,
$$user_autoDisposeItems:true,
__cK:{'idBubble-177-0':["changeBubble|bubble|904"]}},
__cK:{'idBubble-202-0':["changeBubble|bubble|907"]}})
Thanks in advance
Stefan
Gesendet: Montag, 29. Juli 2013 um 08:29 Uhr
Von: "Martin Wittemann"
<[email protected]<mailto:[email protected]>>
An: "qooxdoo Development"
<[email protected]<mailto:[email protected]>>
Betreff: Re: [qooxdoo-devel] JSON - getItem
Hello Stefan,
> first of all congratulation to QooxDoo 3.0 - great job !
Thanks. :)
> I'm using a JSON file with the following structure.
>
> {
> "name": "Test Suites",
> "children": [
> {
> "name": "Customer",
> "children": [
> {
> "name": "ESC10",
> "option": "-X0 -t",
> "desc": "Test description contains details regarding the
> purpose of the test"
> }
> ]
> }
> ]
> }
>
> The details are show in a Virtual.Tree.
> // **********************************************************************
> // loads the tree model
> // **********************************************************************
> var url = "json/tests.json";
> var store = new qx.data.store.Json(url);
> var dataModel = store.getModel();
> this.__store = store;
> // connect the store and the tree
> store.bind("model", abc_test, "model");
>
> This works !!! Now the question.
> I would like to access fields like "name", "option" and "desc".
> Using
> var itemModel = data[0].getModel().getName();
> var name = itemModel.getValue();
> works nice, but I can't access the other fields ...
Well, I guess you can if they are available. But as your structure shows, the
other fields seem to be optional and therefore, not available on every model
item. This means that the accessor-methods won't be available on every item as
well. So you have a bunch of options:
1. use duck-typing to check if any accessor is available
2. use a custom model class for every item which will hold null values for you
3. change the data to contain the fields with null values
Regards,
Martin
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