> for(var key in jsonObject) {
> addSelectOption(groupSelect, jsonObject[key], key, false);
jsonObject is a hash, the keys in the hash are not stored with a
predictable ordering. If you want an ordered list then you should
create an array.
On Thu, May 15, 2008 at 3:58 AM, Leon Derks <[EMAIL PROTECTED]> wrote:
> Thanks Chris,
>
> That worked.
> The only thing is that the order of groups in the select is gone.
> I know for sure I put them in the correct order in the java jsonObject.
> I think the var jsonObject = response.evalJSON(); or the for(var key in
> jsonObject) messes up the order.
> Is there a way to solve this?
>
> For the ones interested, I fill my select box now in this way:
>
> Java Page:
> @OnEvent(component = "productSelect", value = "change")
> JSONObject onProductSelectChanged(String value) {
> ProductCategory category =
> ProductCategory.getProductCategoryByName(value);
> groups = characteristicDAO.findGroupsByProductCategory(category);
> JSONObject jsonObject = new JSONObject();
> for (CharacteristicGroup group : groups) {
> Long id = group.getId();
> jsonObject.put(id.toString(), group.getName());
> }
> return jsonObject;
> }
>
> javascript:
> function productSelectChanged(response) {
> var groupSelect = $('groupSelect');
> clearSelectOption(groupSelect);
> var jsonObject = response.evalJSON();
> for(var key in jsonObject) {
> addSelectOption(groupSelect, jsonObject[key], key, false);
> }
> }
>
> Chris Lewis wrote:
>>
>> Try:
>>
>> for (var i in object) {}
>>
>> Where object would be your json object.
>>
>> Leon Derks wrote:
>>
>>>
>>> Hi Sven,
>>>
>>> I only see that they get the value by using the key name.
>>> For example this:
>>>
>>> |var data = '{ "name": "Violet", "occupation": "character" }'.evalJSON();
>>> data.name; //prints Violet.
>>> |
>>>
>>> But in my case, I don't know the key name, so I can't get the value.
>>> Is there a way to get the key names of a JSON Object?
>>> For example something like this:
>>> |
>>> data.keys; //returns {name, occupation}|
>>>
>>> |
>>> |
>>>
>>> Leon
>>>
>>>
>>> Sven Homburg wrote:
>>>
>>>>
>>>> http://www.prototypejs.org/learn/json
>>>>
>>>> 2008/5/15 Leon Derks <[EMAIL PROTECTED]>:
>>>>
>>>>
>>>>>
>>>>> Hello
>>>>>
>>>>> I have a JSON object like this:
>>>>>
>>>>> JSONObject obj = new JSONObject();
>>>>>
>>>>> obj.put(entity.getId(), entity.getName());
>>>>>
>>>>> But how can I get the value from my json object in javascript, if I
>>>>> don't
>>>>> know the key name?
>>>>>
>>>>> Is there a way to get the key name(s) from a json object in javascript?
>>>>>
>>>>> Leon
>>>>>
>>>>> ---------------------------------------------------------------------
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>>>>> For additional commands, e-mail: [EMAIL PROTECTED]
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
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>>>
>>>
>>>
>>
>>
>
>
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>
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