Hi Paul,
Thanks for ur reply...this is the xml...i took this from one of the
tutorials and working upon it
Since i'm doin pref.set() do i have to do prefs.get()??
<?xml version="1.0" encoding="UTF-8" ?>
<Module>
<ModulePrefs title="Fetch Feed Example--parse2" >
<Require feature="opensocial-0.8" />
<Require feature="views" />
<Require feature="setprefs"/>
</ModulePrefs>
<UserPref name="show_date" display_name="Show Dates?"
datatype="bool" default_value="false"/>
<UserPref name="num_entries" datatype="hidden"/>
<UserPref name="show_summ" display_name="Show Summaries?"
datatype="bool" default_value="false"/>
<Content type="html" view = "home,canvas">
<![CDATA[
<style> #content_div { font-size: 80%; margin: 5px; background-
color: #FFFFBF;} </style>
<div id="content_div"></div>
<script language="JavaScript" src="http://jsonfeed.googlecode.com/
files/jsonparse.js"></script>
<script type="text/javascript">
// Get userprefs
var prefs = new gadgets.Prefs(__MODULE_ID__);
var showdate = prefs.getBool("show_date");
var num_entries;
var summaries = prefs.getBool("show_summ");
function getFeed() {
var params = {};
makeJSONRequest();
params[gadgets.io.RequestParameters.CONTENT_TYPE] =
gadgets.io.ContentType.FEED;
params[gadgets.io.RequestParameters.NUM_ENTRIES] = new
Number(num_entries);
alert("The stored entry is " + num_entries + ".");
params[gadgets.io.RequestParameters.GET_SUMMARIES] = summaries;
var url = "http://rss.msnbc.msn.com/id/3663447/device/rss/
default.xml";
gadgets.io.makeRequest(url, response, params);
};
function makeJSONRequest() {
alert("1 is called");
var params = {};
params[gadgets.io.RequestParameters.CONTENT_TYPE] =
gadgets.io.ContentType.JSON;
// This URL returns a JSON-encoded string that represents a
JavaScript object
var url = "http://jsonfeed.googlecode.com/files/jsonentry.txt";;
gadgets.io.makeRequest(url, callback, params);
};
function callback(obj) {
alert("2 is called");
var jsondata = obj.data;
nument=jsondata.parseJSON();
alert("nument is " + nument + ".");
prefs.set("num_entries",nument);
alert("num_entries is " + num_entries + ".");
};
function response(obj) {
// obj.data contains the feed data
var feed = obj.data;
var html = "";
// Display the feed title and description
html += "<div><b>" + feed.Title + "</b></div>";
html += "<div>" + feed.Description + "</div><br>";
// Access the data for a given entry
if (feed.Entry) {
for (var i = 0; i < feed.Entry.length; i++) {
html += "<div>"
+ "<a target='_blank' href='" + feed.Entry[i].Link + "'>"
+ feed.Entry[i].Title
+ "</a> ";
if (showdate==true)
{
// The feed entry Date field contains the timestamp in
seconds
// since Jan. 1, 1970. To convert it to the milliseconds
needed
// to initialize the JavaScript Date object with the correct
date,
// multiply by 1000.
var milliseconds = (feed.Entry[i].Date) * 1000;
var date = new Date(milliseconds);
html += date.toLocaleDateString();
html += " ";
html += date.toLocaleTimeString();
}
if (summaries==true) {
}
html += "</div>";
}
}
document.getElementById('content_div').innerHTML = html;
};
gadgets.util.registerOnLoadHandler(getFeed);
</script>
]]>
</Content>
</Module>
The file jsonentry contains the entry {"num_entries" : "7"}...Please
let me know if u need more details
On Mar 5, 5:17 pm, Paul Kinlan <[email protected]> wrote:
> Hi,
>
> Can you provide more information about the gadget? For instance, can you
> provide the Gadget XML so that we can verify that you are using the
> <UserPref> tag and you have <Required> set prefs.
>
> Also, I can't see it in your code, but I am assuming that you
> have initialized your prefs variable with the following:
>
> var prefs = new gadgets.Prefs();
>
> Additionally you are alerting the variable "num_entries" but that is not
> defined or set anywhere either in your example. You would have to do
> something along the lines of:
>
> var num_entries = prefs.get("num_entrie");
>
> More information can be found
> athttp://code.google.com/apis/gadgets/docs/fundamentals.html#Datatypes
>
> Thanks,
> Paul
>
>
>
> On Fri, Mar 5, 2010 at 11:34 AM, aslum <[email protected]> wrote:
> > Hi,
>
> > I am trying to take a user preference value thru jason....But i am
> > facing problem in saving the set pref.set..its not storing..It will be
> > greatly helpful...if anyone can tell me wats the pbm
>
> > function makeJSONRequest() {
> > alert("1 is called");
> > var params = {};
> > params[gadgets.io.RequestParameters.CONTENT_TYPE] =
> > gadgets.io.ContentType.JSON;
> > // This URL returns a JSON-encoded string that represents a
> > JavaScript object
> > var url = "http://jsonfeed.googlecode.com/files/jsonentry.txt";;
> > gadgets.io.makeRequest(url, callback, params);
> > };
> > function callback(obj) {
> > alert("2 is called");
> > var jsondata = obj.data;
> > for (var key in jsondata){
> > var nument = jsondata[key];
> > }
> > alert("nument is " + nument + ".");
> > prefs.set("num_entries",nument);
> > alert("num_entries is " + num_entries + ".");
>
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